mirror of https://github.com/easzlab/kubeasz.git
更新helm3文档，举例redis集群安装
gjmzj
parent
9117d07e82
commit
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@ -3,7 +3,7 @@
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项目致力于提供快速部署高可用`k8s`集群的工具, 同时也努力成为`k8s`实践、使用的参考书；基于二进制方式部署和利用`ansible-playbook`实现自动化；既提供一键安装脚本, 也可以根据`安装指南`分步执行安装各个组件。
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项目致力于提供快速部署高可用`k8s`集群的工具, 同时也努力成为`k8s`实践、使用的参考书；基于二进制方式部署和利用`ansible-playbook`实现自动化；既提供一键安装脚本, 也可以根据`安装指南`分步执行安装各个组件。
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- **集群特性** `TLS`双向认证、`RBAC`授权、[多Master高可用](docs/setup/00-planning_and_overall_intro.md#ha-architecture)、支持`Network Policy`、备份恢复、[离线安装](docs/setup/offline_install.md)
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- **集群特性** `TLS`双向认证、`RBAC`授权、[多Master高可用](docs/setup/00-planning_and_overall_intro.md#ha-architecture)、支持`Network Policy`、备份恢复、[离线安装](docs/setup/offline_install.md)
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- **集群版本** kubernetes v1.14, v1.15, v1.16, v1.17
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- **集群版本** kubernetes v1.15, v1.16, v1.17, v1.18
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- **操作系统** CentOS/RedHat 7, Debian 9/10, Ubuntu 1604/1804
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- **操作系统** CentOS/RedHat 7, Debian 9/10, Ubuntu 1604/1804
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- **运行时** docker 18.06.x-ce, 18.09.x, 19.03.x [containerd](docs/guide/containerd.md) 1.2.6
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- **运行时** docker 18.06.x-ce, 18.09.x, 19.03.x [containerd](docs/guide/containerd.md) 1.2.6
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- **网络** [calico](docs/setup/network-plugin/calico.md), [cilium](docs/setup/network-plugin/cilium.md), [flannel](docs/setup/network-plugin/flannel.md), [kube-ovn](docs/setup/network-plugin/kube-ovn.md), [kube-router](docs/setup/network-plugin/kube-router.md)
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- **网络** [calico](docs/setup/network-plugin/calico.md), [cilium](docs/setup/network-plugin/cilium.md), [flannel](docs/setup/network-plugin/flannel.md), [kube-ovn](docs/setup/network-plugin/kube-ovn.md), [kube-router](docs/setup/network-plugin/kube-router.md)
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@ -2,53 +2,146 @@
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`Helm`致力于成为k8s集群的应用包管理工具，希望像linux 系统的`RPM` `DPKG`那样成功；确实在k8s上部署复杂一点的应用很麻烦，需要管理很多yaml文件（configmap,controller,service,rbac,pv,pvc等等），而helm能够整齐管理这些文档：版本控制，参数化安装，方便的打包与分享等。
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`Helm`致力于成为k8s集群的应用包管理工具，希望像linux 系统的`RPM` `DPKG`那样成功；确实在k8s上部署复杂一点的应用很麻烦，需要管理很多yaml文件（configmap,controller,service,rbac,pv,pvc等等），而helm能够整齐管理这些文档：版本控制，参数化安装，方便的打包与分享等。
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- 建议积累一定k8s经验以后再去使用helm；对于初学者来说手工去配置那些yaml文件对于快速学习k8s的设计理念和运行原理非常有帮助，而不是直接去使用helm，面对又一层封装与复杂度。
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- 建议积累一定k8s经验以后再去使用helm；对于初学者来说手工去配置那些yaml文件对于快速学习k8s的设计理念和运行原理非常有帮助，而不是直接去使用helm，面对又一层封装与复杂度。
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- 本文参考 helm 官网安全实践启用 TLS 认证，参考 https://docs.helm.sh/using_helm/#securing-your-helm-installation
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- 本文基于helm 3（建议版本），helm 2 文档[请看这里](helm2.md)
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## 安全安装 helm（在线）
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## 安装 helm
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以下步骤以 helm/tiller 版本 v2.14.1 为例，在helm客户端和tiller服务器间建立安全的SSL/TLS认证机制；tiller服务器和helm客户端都是使用同一CA签发的`client cert`，然后互相识别对方身份。建议通过本项目提供的`ansible role`安装，符合官网上介绍的安全加固措施，在ansible控制端运行:
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在官方repo下载[release版本](https://github.com/helm/helm/releases)中自带的二进制文件即可（以Linux amd64为例）
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```
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wget https://get.helm.sh/helm-v3.2.1-linux-amd64.tar.gz
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mv ./linux-amd64/helm /usr/bin
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```
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- 启用官方 charts 仓库
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```
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helm repo add stable https://kubernetes-charts.storage.googleapis.com/
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```
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## 使用 helm 安装应用
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helm3 安装命令与 helm2 稍有变化，个人习惯先下载对应charts到本地然后按照固定目录格式安装，以创建一个redis集群举例：
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- 创建 redis-cluster 目录
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``` bash
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``` bash
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# 1.配置默认helm参数 vi /etc/ansible/roles/helm/defaults/main.yml
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mkdir -p /opt/charts/redis-cluster
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# 2.执行安装
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cd /opt/charts/redis-cluster
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$ ansible-playbook /etc/ansible/roles/helm/helm.yml
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```
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```
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- 注意：默认仅在第一个master节点初始化helm客户端，如果需要在其他节点初始化helm客户端，请修改 roles/helm/helm.yml 文件的 hosts 定义，然后再次执行`ansible-playbook /etc/ansible/roles/helm/helm.yml`即可
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简单介绍下`/roles/helm/tasks/main.yml`中的步骤
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- 下载最新stalbe/redis-ha
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```
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helm repo update
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helm pull stable/redis-ha
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```
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- 1-下载最新release的helm客户端到/etc/ansible/bin目录下
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- 解压 charts，复制 values.yaml设置
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- 2-由集群CA签发helm客户端证书和私钥
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```
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- 3-由集群CA签发tiller服务端证书和私钥
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tar zxvf redis-ha-*.tgz
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- 4-创建tiller专用的RBAC配置，只允许helm在指定的namespace查看和安装应用
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cp redis-ha/values.yaml .
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- 5-安全安装tiller到集群，tiller服务启用tls验证
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```
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- 6-配置helm客户端使用tls方式与tiller服务端通讯
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## 安全安装 helm（离线）
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- 创建 start.sh 脚本记录启动命令
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在内网环境中，由于不能访问互联网，无法连接repo地址，使用上述的在线安装helm的方式会报错。因此需要使用离线安装的方法来安装。要注意的是tiller的镜像版本必须为v2.14.1，否则会不匹配。
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```
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离线安装步骤：
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cat > start.sh << EOF
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#!/bin/sh
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set -x
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```bash
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ROOT=$(cd `dirname $0`; pwd)
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# 1.创建本地repo
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cd $ROOT
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mkdir -p /opt/helm-repo
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# 2.启动helm repo server,如果要其他服务器访问，改为本地IP
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helm install redis \
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nohup helm serve --address 127.0.0.1:8879 --repo-path /opt/helm-repo &
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--create-namespace \
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# 3.更改helm 配置文件
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--namespace dependency \
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将/etc/ansible/roles/helm/defaults/main.yml中repo的地址改为 http://127.0.0.1:8879
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-f ./values.yaml \
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cat <<EOF >/etc/ansible/roles/helm/defaults/main.yml
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./redis-ha
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helm_namespace: kube-system
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helm_cert_cn: helm001
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tiller_sa: tiller
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tiller_cert_cn: tiller001
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tiller_image: easzlab/tiller:v2.14.1
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#repo_url: https://kubernetes-charts.storage.googleapis.com
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repo_url: http://127.0.0.1:8879
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history_max: 5
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# 如果默认官方repo 网络访问不稳定可以使用如下的阿里云镜像repo
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#repo_url: https://kubernetes.oss-cn-hangzhou.aliyuncs.com/charts
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EOF
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EOF
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# 4.运行安全helm命令
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ansible-playbook /etc/ansible/roles/helm/helm.yml
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```
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```
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## 使用helm安装应用到k8s上
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请阅读本项目文档[helm安装prometheus监控](prometheus.md)
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- 查看当前目录结构如下
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```
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tree .
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.
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├── redis-ha # redis-ha 原始charts目录
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├── start.sh # 启动命名脚本
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└── values.yaml # 个性化参数配置
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```
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- 修改当前目录的 values.yaml 为你的个性化配置
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``` bash
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#举例values.yaml 配置如下，没有启用PV
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#cat values.yaml
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image:
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repository: redis
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tag: 5.0.6-alpine
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replicas: 2
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## Redis specific configuration options
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redis:
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port: 6379
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masterGroupName: "mymaster" # must match ^[\\w-\\.]+$) and can be templated
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config:
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## For all available options see http://download.redis.io/redis-stable/redis.conf
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min-replicas-to-write: 1
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min-replicas-max-lag: 5 # Value in seconds
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maxmemory: "4g" # Max memory to use for each redis instance. Default is unlimited.
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maxmemory-policy: "allkeys-lru" # Max memory policy to use for each redis instance. Default is volatile-lru.
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repl-diskless-sync: "yes"
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rdbcompression: "yes"
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rdbchecksum: "yes"
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resources:
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requests:
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memory: 200Mi
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cpu: 100m
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limits:
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memory: 4000Mi
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## Sentinel specific configuration options
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sentinel:
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port: 26379
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quorum: 1
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resources:
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requests:
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memory: 200Mi
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cpu: 100m
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limits:
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memory: 200Mi
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hardAntiAffinity: true
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## Configures redis with AUTH (requirepass & masterauth conf params)
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auth: false
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persistentVolume:
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enabled: false
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hostPath:
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path: "/data/mcs-redis/{{ .Release.Name }}"
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```
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- 执行安装
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```
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bash ./start.sh
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```
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- 查看安装
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```
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helm ls -A
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NAME NAMESPACE REVISION UPDATED STATUS CHART APP VERSION
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redis dependency 1 2020-05-28 20:57:31.166002853 +0800 CST deployed redis-ha-4.4.4 5.0.6
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# 查看k8s上资源
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kubectl get pod,svc -n dependency
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NAME READY STATUS RESTARTS AGE
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pod/redis-redis-ha-server-0 2/2 Running 0 119s
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pod/redis-redis-ha-server-1 2/2 Running 0 104s
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NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
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service/redis-redis-ha ClusterIP None <none> 6379/TCP,26379/TCP 119s
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service/redis-redis-ha-announce-0 ClusterIP 10.68.41.65 <none> 6379/TCP,26379/TCP 119s
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service/redis-redis-ha-announce-1 ClusterIP 10.68.64.49 <none> 6379/TCP,26379/TCP 119s
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```
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@ -0,0 +1,54 @@
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# Helm
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`Helm`致力于成为k8s集群的应用包管理工具，希望像linux 系统的`RPM` `DPKG`那样成功；确实在k8s上部署复杂一点的应用很麻烦，需要管理很多yaml文件（configmap,controller,service,rbac,pv,pvc等等），而helm能够整齐管理这些文档：版本控制，参数化安装，方便的打包与分享等。
|
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|
- 建议积累一定k8s经验以后再去使用helm；对于初学者来说手工去配置那些yaml文件对于快速学习k8s的设计理念和运行原理非常有帮助，而不是直接去使用helm，面对又一层封装与复杂度。
|
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- 本文参考 helm 官网安全实践启用 TLS 认证，参考 https://docs.helm.sh/using_helm/#securing-your-helm-installation
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|
|
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## 安全安装 helm（在线）
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|
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以下步骤以 helm/tiller 版本 v2.14.1 为例，在helm客户端和tiller服务器间建立安全的SSL/TLS认证机制；tiller服务器和helm客户端都是使用同一CA签发的`client cert`，然后互相识别对方身份。建议通过本项目提供的`ansible role`安装，符合官网上介绍的安全加固措施，在ansible控制端运行:
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``` bash
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# 1.配置默认helm参数 vi /etc/ansible/roles/helm/defaults/main.yml
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# 2.执行安装
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$ ansible-playbook /etc/ansible/roles/helm/helm.yml
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```
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- 注意：默认仅在第一个master节点初始化helm客户端，如果需要在其他节点初始化helm客户端，请修改 roles/helm/helm.yml 文件的 hosts 定义，然后再次执行`ansible-playbook /etc/ansible/roles/helm/helm.yml`即可
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|
|
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|
简单介绍下`/roles/helm/tasks/main.yml`中的步骤
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|
|
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|
- 1-下载最新release的helm客户端到/etc/ansible/bin目录下
|
||||||
|
- 2-由集群CA签发helm客户端证书和私钥
|
||||||
|
- 3-由集群CA签发tiller服务端证书和私钥
|
||||||
|
- 4-创建tiller专用的RBAC配置，只允许helm在指定的namespace查看和安装应用
|
||||||
|
- 5-安全安装tiller到集群，tiller服务启用tls验证
|
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|
- 6-配置helm客户端使用tls方式与tiller服务端通讯
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|
|
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|
## 安全安装 helm（离线）
|
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|
在内网环境中，由于不能访问互联网，无法连接repo地址，使用上述的在线安装helm的方式会报错。因此需要使用离线安装的方法来安装。要注意的是tiller的镜像版本必须为v2.14.1，否则会不匹配。
|
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|
离线安装步骤：
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```bash
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# 1.创建本地repo
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mkdir -p /opt/helm-repo
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# 2.启动helm repo server,如果要其他服务器访问，改为本地IP
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nohup helm serve --address 127.0.0.1:8879 --repo-path /opt/helm-repo &
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# 3.更改helm 配置文件
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将/etc/ansible/roles/helm/defaults/main.yml中repo的地址改为 http://127.0.0.1:8879
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cat <<EOF >/etc/ansible/roles/helm/defaults/main.yml
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helm_namespace: kube-system
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helm_cert_cn: helm001
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tiller_sa: tiller
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tiller_cert_cn: tiller001
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tiller_image: easzlab/tiller:v2.14.1
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#repo_url: https://kubernetes-charts.storage.googleapis.com
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repo_url: http://127.0.0.1:8879
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history_max: 5
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# 如果默认官方repo 网络访问不稳定可以使用如下的阿里云镜像repo
|
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#repo_url: https://kubernetes.oss-cn-hangzhou.aliyuncs.com/charts
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EOF
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# 4.运行安全helm命令
|
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ansible-playbook /etc/ansible/roles/helm/helm.yml
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```
|
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|
## 使用helm安装应用到k8s上
|
||||||
|
|
||||||
|
请阅读本项目文档[helm安装prometheus监控](prometheus.md)
|
||||||
|
|
@ -12,7 +12,7 @@
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||||||
|
|
||||||
|角色|数量|描述|
|
|角色|数量|描述|
|
||||||
|:-|:-|:-|
|
|:-|:-|:-|
|
||||||
|管理节点|1|运行ansible/easzctl脚本，可以复用master，建议使用独立节点（1c1g）|
|
|管理节点|1|运行ansible/easzctl脚本，一般复用master节点|
|
||||||
|etcd节点|3|注意etcd集群需要1,3,5,7...奇数个节点，一般复用master节点|
|
|etcd节点|3|注意etcd集群需要1,3,5,7...奇数个节点，一般复用master节点|
|
||||||
|master节点|2|高可用集群至少2个master节点|
|
|master节点|2|高可用集群至少2个master节点|
|
||||||
|node节点|3|运行应用负载的节点，可根据需要提升机器配置/增加节点数|
|
|node节点|3|运行应用负载的节点，可根据需要提升机器配置/增加节点数|
|
||||||
|
|
|
||||||
|
|
@ -1,16 +1,16 @@
|
||||||
# 01-创建证书和环境配置
|
# 01-创建证书和环境准备
|
||||||
|
|
||||||
本步骤[01.prepare.yml](../../01.prepare.yml)主要完成:
|
本步骤[01.prepare.yml](../../01.prepare.yml)主要完成:
|
||||||
|
|
||||||
- [chrony role](../guide/chrony.md): 集群节点时间同步[可选]
|
- [chrony role](../guide/chrony.md): 集群节点时间同步[可选]
|
||||||
- deploy role: 创建CA证书、kubeconfig、kube-proxy.kubeconfig
|
- deploy role: 创建CA证书、集群组件访问apiserver所需的各种kubeconfig
|
||||||
- prepare role: 分发CA证书、kubectl客户端安装、环境配置
|
- prepare role: 系统基础环境配置、分发CA证书、kubectl客户端安装
|
||||||
|
|
||||||
## deploy 角色
|
## deploy 角色
|
||||||
|
|
||||||
请在另外窗口打开[roles/deploy/tasks/main.yml](../../roles/deploy/tasks/main.yml) 文件，对照看以下讲解内容。
|
请在另外窗口打开[roles/deploy/tasks/main.yml](../../roles/deploy/tasks/main.yml) 文件，对照看以下讲解内容。
|
||||||
|
|
||||||
### 创建 CA 证书和
|
### 创建 CA 证书
|
||||||
|
|
||||||
``` bash
|
``` bash
|
||||||
roles/deploy/
|
roles/deploy/
|
||||||
|
|
|
||||||
|
|
@ -1,120 +0,0 @@
|
||||||
## Configure resource requests and limits
|
|
||||||
## ref: http://kubernetes.io/docs/user-guide/compute-resources/
|
|
||||||
##
|
|
||||||
image:
|
|
||||||
repository: redis
|
|
||||||
tag: 5.0.3-alpine
|
|
||||||
pullPolicy: IfNotPresent
|
|
||||||
## replicas number for each component
|
|
||||||
replicas: 2
|
|
||||||
|
|
||||||
## Redis specific configuration options
|
|
||||||
redis:
|
|
||||||
port: 6379
|
|
||||||
masterGroupName: mymaster
|
|
||||||
config:
|
|
||||||
## Additional redis conf options can be added below
|
|
||||||
## For all available options see http://download.redis.io/redis-stable/redis.conf
|
|
||||||
min-slaves-to-write: 1
|
|
||||||
min-slaves-max-lag: 5 # Value in seconds
|
|
||||||
maxmemory: "1g" # Max memory to use for each redis instance. Default is unlimited.
|
|
||||||
maxmemory-policy: "allkeys-lru" # Max memory policy to use for each redis instance. Default is volatile-lru.
|
|
||||||
# Determines if scheduled RDB backups are created. Default is false.
|
|
||||||
# Please note that local (on-disk) RDBs will still be created when re-syncing with a new slave. The only way to prevent this is to enable diskless replication.
|
|
||||||
# save: "900 1"
|
|
||||||
# When enabled, directly sends the RDB over the wire to slaves, without using the disk as intermediate storage. Default is false.
|
|
||||||
repl-diskless-sync: "yes"
|
|
||||||
rdbcompression: "yes"
|
|
||||||
rdbchecksum: "yes"
|
|
||||||
|
|
||||||
## Custom redis.conf files used to override default settings. If this file is
|
|
||||||
## specified then the redis.config above will be ignored.
|
|
||||||
# customConfig: |-
|
|
||||||
# Define configuration here
|
|
||||||
|
|
||||||
resources:
|
|
||||||
requests:
|
|
||||||
memory: 500Mi
|
|
||||||
cpu: 100m
|
|
||||||
limits:
|
|
||||||
memory: 1100Mi
|
|
||||||
|
|
||||||
## Sentinel specific configuration options
|
|
||||||
sentinel:
|
|
||||||
port: 26379
|
|
||||||
quorum: 1
|
|
||||||
config:
|
|
||||||
## Additional sentinel conf options can be added below. Only options that
|
|
||||||
## are expressed in the format simialar to 'sentinel xxx mymaster xxx' will
|
|
||||||
## be properly templated.
|
|
||||||
## For available options see http://download.redis.io/redis-stable/sentinel.conf
|
|
||||||
down-after-milliseconds: 10000
|
|
||||||
## Failover timeout value in milliseconds
|
|
||||||
failover-timeout: 180000
|
|
||||||
parallel-syncs: 5
|
|
||||||
|
|
||||||
## Custom sentinel.conf files used to override default settings. If this file is
|
|
||||||
## specified then the sentinel.config above will be ignored.
|
|
||||||
# customConfig: |-
|
|
||||||
# Define configuration here
|
|
||||||
|
|
||||||
resources:
|
|
||||||
requests:
|
|
||||||
memory: 200Mi
|
|
||||||
cpu: 100m
|
|
||||||
limits:
|
|
||||||
memory: 200Mi
|
|
||||||
|
|
||||||
securityContext:
|
|
||||||
runAsUser: 1000
|
|
||||||
fsGroup: 1000
|
|
||||||
runAsNonRoot: true
|
|
||||||
|
|
||||||
## Node labels, affinity, and tolerations for pod assignment
|
|
||||||
## ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector
|
|
||||||
## ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#taints-and-tolerations-beta-feature
|
|
||||||
## ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
|
|
||||||
affinity: |
|
|
||||||
podAntiAffinity:
|
|
||||||
requiredDuringSchedulingIgnoredDuringExecution:
|
|
||||||
- labelSelector:
|
|
||||||
matchLabels:
|
|
||||||
app: {{ template "redis-ha.name" . }}
|
|
||||||
release: {{ .Release.Name }}
|
|
||||||
topologyKey: kubernetes.io/hostname
|
|
||||||
preferredDuringSchedulingIgnoredDuringExecution:
|
|
||||||
- weight: 100
|
|
||||||
podAffinityTerm:
|
|
||||||
labelSelector:
|
|
||||||
matchLabels:
|
|
||||||
app: {{ template "redis-ha.name" . }}
|
|
||||||
release: {{ .Release.Name }}
|
|
||||||
topologyKey: failure-domain.beta.kubernetes.io/zone
|
|
||||||
|
|
||||||
podDisruptionBudget: {}
|
|
||||||
# maxUnavailable: 1
|
|
||||||
# minAvailable: 1
|
|
||||||
|
|
||||||
## Configures redis with AUTH (requirepass & masterauth conf params)
|
|
||||||
auth: true
|
|
||||||
redisPassword: redis1234
|
|
||||||
|
|
||||||
## Use existing secret containing "auth" key (ignores redisPassword)
|
|
||||||
# existingSecret:
|
|
||||||
|
|
||||||
persistentVolume:
|
|
||||||
enabled: false
|
|
||||||
## redis-ha data Persistent Volume Storage Class
|
|
||||||
## If defined, storageClassName: <storageClass>
|
|
||||||
## If set to "-", storageClassName: "", which disables dynamic provisioning
|
|
||||||
## If undefined (the default) or set to null, no storageClassName spec is
|
|
||||||
## set, choosing the default provisioner. (gp2 on AWS, standard on
|
|
||||||
## GKE, AWS & OpenStack)
|
|
||||||
##
|
|
||||||
storageClass: "nfs-db"
|
|
||||||
accessModes:
|
|
||||||
- ReadWriteOnce
|
|
||||||
size: 3Gi
|
|
||||||
annotations: {}
|
|
||||||
init:
|
|
||||||
resources: {}
|
|
||||||
|
|
@ -1,20 +1,21 @@
|
||||||
name: redis-ha
|
apiVersion: v1
|
||||||
home: http://redis.io/
|
appVersion: 5.0.6
|
||||||
|
description: Highly available Kubernetes implementation of Redis
|
||||||
engine: gotpl
|
engine: gotpl
|
||||||
|
home: http://redis.io/
|
||||||
|
icon: https://upload.wikimedia.org/wikipedia/en/thumb/6/6b/Redis_Logo.svg/1200px-Redis_Logo.svg.png
|
||||||
keywords:
|
keywords:
|
||||||
- redis
|
- redis
|
||||||
- keyvalue
|
- keyvalue
|
||||||
- database
|
- database
|
||||||
version: 3.1.3
|
|
||||||
appVersion: 5.0.3
|
|
||||||
description: Highly available Kubernetes implementation of Redis
|
|
||||||
icon: https://upload.wikimedia.org/wikipedia/en/thumb/6/6b/Redis_Logo.svg/1200px-Redis_Logo.svg.png
|
|
||||||
maintainers:
|
maintainers:
|
||||||
- email: salimsalaues@gmail.com
|
- email: salimsalaues@gmail.com
|
||||||
name: ssalaues
|
name: ssalaues
|
||||||
details:
|
- email: aaron.layfield@gmail.com
|
||||||
This Helm chart provides a highly available Redis implementation with a master/slave configuration
|
name: dandydeveloper
|
||||||
and uses Sentinel sidecars for failover management
|
name: redis-ha
|
||||||
sources:
|
sources:
|
||||||
- https://redis.io/download
|
- https://redis.io/download
|
||||||
- https://github.com/scality/Zenko/tree/development/1.0/kubernetes/zenko/charts/redis-ha
|
- https://github.com/scality/Zenko/tree/development/1.0/kubernetes/zenko/charts/redis-ha
|
||||||
|
- https://github.com/oliver006/redis_exporter
|
||||||
|
version: 4.4.4
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,6 @@
|
||||||
approvers:
|
approvers:
|
||||||
- ssalaues
|
- ssalaues
|
||||||
|
- dandydeveloper
|
||||||
reviewers:
|
reviewers:
|
||||||
- ssalaues
|
- ssalaues
|
||||||
|
- dandydeveloper
|
||||||
|
|
@ -1,5 +1,14 @@
|
||||||
# Redis
|
# Redis
|
||||||
|
|
||||||
|
----------------------------------------
|
||||||
|
# Deprecation Warning
|
||||||
|
*As part of the [deprecation timeline](https://github.com/helm/charts/#deprecation-timeline). We will move this to an official repository [here](https://github.com/DandyDeveloper/charts)*
|
||||||
|
|
||||||
|
Please make PRs / Issues here from now on
|
||||||
|
|
||||||
|
We will keep the changes in sync as best we can, but we will be notifying people to submit PRs here from now on instead. If you have any questions, feel free to get in touch with either of the maintainers.
|
||||||
|
----------------------------------------
|
||||||
|
|
||||||
[Redis](http://redis.io/) is an advanced key-value cache and store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets, sorted sets, bitmaps and hyperloglogs.
|
[Redis](http://redis.io/) is an advanced key-value cache and store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets, sorted sets, bitmaps and hyperloglogs.
|
||||||
|
|
||||||
## TL;DR;
|
## TL;DR;
|
||||||
|
|
@ -9,8 +18,8 @@ $ helm install stable/redis-ha
|
||||||
```
|
```
|
||||||
|
|
||||||
By default this chart install 3 pods total:
|
By default this chart install 3 pods total:
|
||||||
* one pod containing a redis master and sentinel containers
|
* one pod containing a redis master and sentinel container (optional prometheus metrics exporter sidecar available)
|
||||||
* two pods each containing redis slave and sentinel containers.
|
* two pods each containing a redis slave and sentinel containers (optional prometheus metrics exporter sidecars available)
|
||||||
|
|
||||||
## Introduction
|
## Introduction
|
||||||
|
|
||||||
|
|
@ -25,6 +34,10 @@ This chart bootstraps a [Redis](https://redis.io) highly available master/slave
|
||||||
|
|
||||||
Please note that there have been a number of changes simplifying the redis management strategy (for better failover and elections) in the 3.x version of this chart. These changes allow the use of official [redis](https://hub.docker.com/_/redis/) images that do not require special RBAC or ServiceAccount roles. As a result when upgrading from version >=2.0.1 to >=3.0.0 of this chart, `Role`, `RoleBinding`, and `ServiceAccount` resources should be deleted manually.
|
Please note that there have been a number of changes simplifying the redis management strategy (for better failover and elections) in the 3.x version of this chart. These changes allow the use of official [redis](https://hub.docker.com/_/redis/) images that do not require special RBAC or ServiceAccount roles. As a result when upgrading from version >=2.0.1 to >=3.0.0 of this chart, `Role`, `RoleBinding`, and `ServiceAccount` resources should be deleted manually.
|
||||||
|
|
||||||
|
### Upgrading the chart from 3.x to 4.x
|
||||||
|
|
||||||
|
Starting from version `4.x` HAProxy sidecar prometheus-exporter removed and replaced by the embedded [HAProxy metrics endpoint](https://github.com/haproxy/haproxy/tree/master/contrib/prometheus-exporter), as a result when upgrading from version 3.x to 4.x section `haproxy.exporter` should be removed and the `haproxy.metrics` need to be configured for fit your needs.
|
||||||
|
|
||||||
## Installing the Chart
|
## Installing the Chart
|
||||||
|
|
||||||
To install the chart
|
To install the chart
|
||||||
|
|
@ -52,12 +65,16 @@ The command removes all the Kubernetes components associated with the chart and
|
||||||
The following table lists the configurable parameters of the Redis chart and their default values.
|
The following table lists the configurable parameters of the Redis chart and their default values.
|
||||||
|
|
||||||
| Parameter | Description | Default |
|
| Parameter | Description | Default |
|
||||||
| -------------------------------- | ----------------------------------------------------- | --------------------------------------------------------- |
|
|:--------------------------|:---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:-------------------------------------------------------------------------------------------|
|
||||||
| `image` | Redis image | `redis` |
|
| `image` | Redis image | `redis` |
|
||||||
| `tag` | Redis tag | `5.0.3-alpine` |
|
| `imagePullSecrets` | Reference to one or more secrets to be used when pulling redis images | [] |
|
||||||
|
| `tag` | Redis tag | `5.0.6-alpine` |
|
||||||
| `replicas` | Number of redis master/slave pods | `3` |
|
| `replicas` | Number of redis master/slave pods | `3` |
|
||||||
|
| `serviceAccount.create` | Specifies whether a ServiceAccount should be created | `true` |
|
||||||
|
| `serviceAccount.name` | The name of the ServiceAccount to create | Generated using the redis-ha.fullname template |
|
||||||
|
| `rbac.create` | Create and use RBAC resources | `true` |
|
||||||
| `redis.port` | Port to access the redis service | `6379` |
|
| `redis.port` | Port to access the redis service | `6379` |
|
||||||
| `redis.masterGroupName` | Redis convention for naming the cluster group | `mymaster` |
|
| `redis.masterGroupName` | Redis convention for naming the cluster group: must match `^[\\w-\\.]+$` and can be templated | `mymaster` |
|
||||||
| `redis.config` | Any valid redis config options in this section will be applied to each server (see below) | see values.yaml |
|
| `redis.config` | Any valid redis config options in this section will be applied to each server (see below) | see values.yaml |
|
||||||
| `redis.customConfig` | Allows for custom redis.conf files to be applied. If this is used then `redis.config` is ignored | `` |
|
| `redis.customConfig` | Allows for custom redis.conf files to be applied. If this is used then `redis.config` is ignored | `` |
|
||||||
| `redis.resources` | CPU/Memory for master/slave nodes resource requests/limits | `{}` |
|
| `redis.resources` | CPU/Memory for master/slave nodes resource requests/limits | `{}` |
|
||||||
|
|
@ -66,21 +83,91 @@ The following table lists the configurable parameters of the Redis chart and the
|
||||||
| `sentinel.config` | Valid sentinel config options in this section will be applied as config options to each sentinel (see below) | see values.yaml |
|
| `sentinel.config` | Valid sentinel config options in this section will be applied as config options to each sentinel (see below) | see values.yaml |
|
||||||
| `sentinel.customConfig` | Allows for custom sentinel.conf files to be applied. If this is used then `sentinel.config` is ignored | `` |
|
| `sentinel.customConfig` | Allows for custom sentinel.conf files to be applied. If this is used then `sentinel.config` is ignored | `` |
|
||||||
| `sentinel.resources` | CPU/Memory for sentinel node resource requests/limits | `{}` |
|
| `sentinel.resources` | CPU/Memory for sentinel node resource requests/limits | `{}` |
|
||||||
| `init.resources` | CPU/Memory for init Container node resource requests/limits | `{}`
|
| `init.resources` | CPU/Memory for init Container node resource requests/limits | `{}` |
|
||||||
| `auth` | Enables or disables redis AUTH (Requires `redisPassword` to be set) | `false` |
|
| `auth` | Enables or disables redis AUTH (Requires `redisPassword` to be set) | `false` |
|
||||||
| `redisPassword` | A password that configures a `requirepass` and `masterauth` in the conf parameters (Requires `auth: enabled`) | `` |
|
| `redisPassword` | A password that configures a `requirepass` and `masterauth` in the conf parameters (Requires `auth: enabled`) | `` |
|
||||||
| `existingSecret` | An existing secret containing an `auth` key that configures `requirepass` and `masterauth` in the conf parameters (Requires `auth: enabled`, cannot be used in conjunction with `.Values.redisPassword`) | `` |
|
| `authKey` | The key holding the redis password in an existing secret. | `auth` |
|
||||||
|
| `existingSecret` | An existing secret containing a key defined by `authKey` that configures `requirepass` and `masterauth` in the conf parameters (Requires `auth: enabled`, cannot be used in conjunction with `.Values.redisPassword`) | `` |
|
||||||
| `nodeSelector` | Node labels for pod assignment | `{}` |
|
| `nodeSelector` | Node labels for pod assignment | `{}` |
|
||||||
| `tolerations` | Toleration labels for pod assignment | `[]` |
|
| `tolerations` | Toleration labels for pod assignment | `[]` |
|
||||||
| `podAntiAffinity.server` | Antiaffinity for pod assignment of servers, `hard` or `soft` | `Hard node and soft zone anti-affinity` |
|
| `hardAntiAffinity` | Whether the Redis server pods should be forced to run on separate nodes. | `true` |
|
||||||
|
| `additionalAffinities` | Additional affinities to add to the Redis server pods. | `{}` |
|
||||||
|
| `securityContext` | Security context to be added to the Redis server pods. | `{runAsUser: 1000, fsGroup: 1000, runAsNonRoot: true}` |
|
||||||
|
| `affinity` | Override all other affinity settings with a string. | `""` |
|
||||||
|
| `persistentVolume.size` | Size for the volume | 10Gi |
|
||||||
|
| `persistentVolume.annotations` | Annotations for the volume | `{}` |
|
||||||
|
| `persistentVolume.reclaimPolicy` | Method used to reclaim an obsoleted volume. `Delete` or `Retain` | `""` |
|
||||||
|
| `emptyDir` | Configuration of `emptyDir`, used only if persistentVolume is disabled and no hostPath specified | `{}` |
|
||||||
|
| `exporter.enabled` | If `true`, the prometheus exporter sidecar is enabled | `false` |
|
||||||
|
| `exporter.image` | Exporter image | `oliver006/redis_exporter` |
|
||||||
|
| `exporter.tag` | Exporter tag | `v0.31.0` |
|
||||||
|
| `exporter.port` | Exporter port | `9121` |
|
||||||
|
| `exporter.annotations` | Prometheus scrape annotations | `{prometheus.io/path: /metrics, prometheus.io/port: "9121", prometheus.io/scrape: "true"}` |
|
||||||
|
| `exporter.extraArgs` | Additional args for the exporter | `{}` |
|
||||||
|
| `exporter.script` | A custom custom Lua script that will be mounted to exporter for collection of custom metrics. Creates a ConfigMap and sets env var `REDIS_EXPORTER_SCRIPT`. | |
|
||||||
|
| `exporter.serviceMonitor.enabled` | Use servicemonitor from prometheus operator | `false` |
|
||||||
|
| `exporter.serviceMonitor.namespace` | Namespace the service monitor is created in | `default` |
|
||||||
|
| `exporter.serviceMonitor.interval` | Scrape interval, If not set, the Prometheus default scrape interval is used | `nil` |
|
||||||
|
| `exporter.serviceMonitor.telemetryPath` | Path to redis-exporter telemetry-path | `/metrics` |
|
||||||
|
| `exporter.serviceMonitor.labels` | Labels for the servicemonitor passed to Prometheus Operator | `{}` |
|
||||||
|
| `exporter.serviceMonitor.timeout` | How long until a scrape request times out. If not set, the Prometheus default scape timeout is used | `nil` |
|
||||||
|
| `haproxy.enabled` | Enabled HAProxy LoadBalancing/Proxy | `false` |
|
||||||
|
| `haproxy.replicas` | Number of HAProxy instances | `3` |
|
||||||
|
| `haproxy.image.repository`| HAProxy Image Repository | `haproxy` |
|
||||||
|
| `haproxy.image.tag` | HAProxy Image Tag | `2.0.1` |
|
||||||
|
| `haproxy.image.pullPolicy`| HAProxy Image PullPolicy | `IfNotPresent` |
|
||||||
|
| `haproxy.imagePullSecrets`| Reference to one or more secrets to be used when pulling haproxy images | [] |
|
||||||
|
| `haproxy.annotations` | HAProxy template annotations | `{}` |
|
||||||
|
| `haproxy.customConfig` | Allows for custom config-haproxy.cfg file to be applied. If this is used then default config will be overwriten | `` |
|
||||||
|
| `haproxy.extraConfig` | Allows to place any additional configuration section to add to the default config-haproxy.cfg | `` |
|
||||||
|
| `haproxy.resources` | HAProxy resources | `{}` |
|
||||||
|
| `haproxy.emptyDir` | Configuration of `emptyDir` | `{}` |
|
||||||
|
| `haproxy.service.type` | HAProxy service type "ClusterIP", "LoadBalancer" or "NodePort" | `ClusterIP` |
|
||||||
|
| `haproxy.service.nodePort` | HAProxy service nodePort value (haproxy.service.type must be NodePort) | not set |
|
||||||
|
| `haproxy.service.annotations` | HAProxy service annotations | `{}` |
|
||||||
|
| `haproxy.stickyBalancing` | HAProxy sticky load balancing to Redis nodes. Helps with connections shutdown. | `false` |
|
||||||
|
| `haproxy.hapreadport.enable` | Enable a read only port for redis slaves | `false` |
|
||||||
|
| `haproxy.hapreadport.port` | Haproxy port for read only redis slaves | `6380` |
|
||||||
|
| `haproxy.metrics.enabled` | HAProxy enable prometheus metric scraping | `false` |
|
||||||
|
| `haproxy.metrics.port` | HAProxy prometheus metrics scraping port | `9101` |
|
||||||
|
| `haproxy.metrics.portName` | HAProxy metrics scraping port name | `exporter-port` |
|
||||||
|
| `haproxy.metrics.scrapePath` | HAProxy prometheus metrics scraping port | `/metrics` |
|
||||||
|
| `haproxy.metrics.serviceMonitor.enabled` | Use servicemonitor from prometheus operator for HAProxy metrics | `false` |
|
||||||
|
| `haproxy.metrics.serviceMonitor.namespace` | Namespace the service monitor for HAProxy metrics is created in | `default` |
|
||||||
|
| `haproxy.metrics.serviceMonitor.interval` | Scrape interval, If not set, the Prometheus default scrape interval is used | `nil` |
|
||||||
|
| `haproxy.metrics.serviceMonitor.telemetryPath` | Path to HAProxy metrics telemetry-path | `/metrics` |
|
||||||
|
| `haproxy.metrics.serviceMonitor.labels` | Labels for the HAProxy metrics servicemonitor passed to Prometheus Operator | `{}` |
|
||||||
|
| `haproxy.metrics.serviceMonitor.timeout` | How long until a scrape request times out. If not set, the Prometheus default scape timeout is used | `nil` |
|
||||||
|
| `haproxy.init.resources` | Extra init resources | `{}` |
|
||||||
|
| `haproxy.timeout.connect` | haproxy.cfg `timeout connect` setting | `4s` |
|
||||||
|
| `haproxy.timeout.server` | haproxy.cfg `timeout server` setting | `30s` |
|
||||||
|
| `haproxy.timeout.client` | haproxy.cfg `timeout client` setting | `30s` |
|
||||||
|
| `haproxy.timeout.check` | haproxy.cfg `timeout check` setting | `2s` |
|
||||||
|
| `haproxy.priorityClassName` | priorityClassName for `haproxy` deployment | not set |
|
||||||
|
| `haproxy.securityContext` | Security context to be added to the HAProxy deployment. | `{runAsUser: 1000, fsGroup: 1000, runAsNonRoot: true}` |
|
||||||
|
| `haproxy.hardAntiAffinity` | Whether the haproxy pods should be forced to run on separate nodes. | `true` |
|
||||||
|
| `haproxy.affinity` | Override all other haproxy affinity settings with a string. | `""` |
|
||||||
|
| `haproxy.additionalAffinities` | Additional affinities to add to the haproxy server pods. | `{}` |
|
||||||
|
| `podDisruptionBudget` | Pod Disruption Budget rules | `{}` |
|
||||||
|
| `priorityClassName` | priorityClassName for `redis-ha-statefulset` | not set |
|
||||||
|
| `hostPath.path` | Use this path on the host for data storage | not set |
|
||||||
|
| `hostPath.chown` | Run an init-container as root to set ownership on the hostPath | `true` |
|
||||||
|
| `sysctlImage.enabled` | Enable an init container to modify Kernel settings | `false` |
|
||||||
|
| `sysctlImage.command` | sysctlImage command to execute | [] |
|
||||||
|
| `sysctlImage.registry` | sysctlImage Init container registry | `docker.io` |
|
||||||
|
| `sysctlImage.repository` | sysctlImage Init container name | `busybox` |
|
||||||
|
| `sysctlImage.tag` | sysctlImage Init container tag | `1.31.1` |
|
||||||
|
| `sysctlImage.pullPolicy` | sysctlImage Init container pull policy | `Always` |
|
||||||
|
| `sysctlImage.mountHostSys`| Mount the host `/sys` folder to `/host-sys` | `false` |
|
||||||
|
| `sysctlImage.resources` | sysctlImage resources | `{}` |
|
||||||
|
| `schedulerName` | Alternate scheduler name | `nil` |
|
||||||
|
|
||||||
Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,
|
Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,
|
||||||
|
|
||||||
```bash
|
```bash
|
||||||
$ helm install \
|
$ helm install \
|
||||||
--set image=redis \
|
--set image=redis \
|
||||||
--set tag=5.0.3-alpine \
|
--set tag=5.0.5-alpine \
|
||||||
stable/redis-ha
|
stable/redis-ha
|
||||||
```
|
```
|
||||||
|
|
||||||
|
|
@ -107,6 +194,20 @@ For example `repl-timeout 60` would be added to the `redis.config` section of th
|
||||||
repl-timeout: "60"
|
repl-timeout: "60"
|
||||||
```
|
```
|
||||||
|
|
||||||
|
Note:
|
||||||
|
|
||||||
|
1. Some config options should be renamed by redis version，e.g.:
|
||||||
|
|
||||||
|
```
|
||||||
|
# In redis 5.x，see https://raw.githubusercontent.com/antirez/redis/5.0/redis.conf
|
||||||
|
min-replicas-to-write: 1
|
||||||
|
min-replicas-max-lag: 5
|
||||||
|
|
||||||
|
# In redis 4.x and redis 3.x，see https://raw.githubusercontent.com/antirez/redis/4.0/redis.conf and https://raw.githubusercontent.com/antirez/redis/3.0/redis.conf
|
||||||
|
min-slaves-to-write 1
|
||||||
|
min-slaves-max-lag 5
|
||||||
|
```
|
||||||
|
|
||||||
Sentinel options supported must be in the the `sentinel <option> <master-group-name> <value>` format. For example, `sentinel down-after-milliseconds 30000` would be added to the `sentinel.config` section of the `values.yaml` as:
|
Sentinel options supported must be in the the `sentinel <option> <master-group-name> <value>` format. For example, `sentinel down-after-milliseconds 30000` would be added to the `sentinel.config` section of the `values.yaml` as:
|
||||||
|
|
||||||
```yml
|
```yml
|
||||||
|
|
@ -115,3 +216,24 @@ Sentinel options supported must be in the the `sentinel <option> <master-group-n
|
||||||
|
|
||||||
If more control is needed from either the redis or sentinel config then an entire config can be defined under `redis.customConfig` or `sentinel.customConfig`. Please note that these values will override any configuration options under their respective section. For example, if you define `sentinel.customConfig` then the `sentinel.config` is ignored.
|
If more control is needed from either the redis or sentinel config then an entire config can be defined under `redis.customConfig` or `sentinel.customConfig`. Please note that these values will override any configuration options under their respective section. For example, if you define `sentinel.customConfig` then the `sentinel.config` is ignored.
|
||||||
|
|
||||||
|
## Host Kernel Settings
|
||||||
|
Redis may require some changes in the kernel of the host machine to work as expected, in particular increasing the `somaxconn` value and disabling transparent huge pages.
|
||||||
|
To do so, you can set up a privileged initContainer with the `sysctlImage` config values, for example:
|
||||||
|
```
|
||||||
|
sysctlImage:
|
||||||
|
enabled: true
|
||||||
|
mountHostSys: true
|
||||||
|
command:
|
||||||
|
- /bin/sh
|
||||||
|
- -xc
|
||||||
|
- |-
|
||||||
|
sysctl -w net.core.somaxconn=10000
|
||||||
|
echo never > /host-sys/kernel/mm/transparent_hugepage/enabled
|
||||||
|
```
|
||||||
|
|
||||||
|
## HAProxy startup
|
||||||
|
|
||||||
|
When HAProxy is enabled, it will attempt to connect to each announce-service of each redis replica instance in its init container before starting.
|
||||||
|
It will fail if announce-service IP is not available fast enough (10 seconds max by announce-service).
|
||||||
|
A such case could happen if the orchestator is pending the nomination of redis pods.
|
||||||
|
Risk is limited because announce-service is using `publishNotReadyAddresses: true`, although, in such case, HAProxy pod will be rescheduled afterward by the orchestrator.
|
||||||
|
|
|
||||||
|
|
@ -0,0 +1,10 @@
|
||||||
|
---
|
||||||
|
## Enable HAProxy to manage Load Balancing
|
||||||
|
haproxy:
|
||||||
|
enabled: true
|
||||||
|
annotations:
|
||||||
|
any.domain/key: "value"
|
||||||
|
serviceAccount:
|
||||||
|
create: true
|
||||||
|
metrics:
|
||||||
|
enabled: true
|
||||||
|
|
@ -0,0 +1,275 @@
|
||||||
|
{{/* vim: set filetype=mustache: */}}
|
||||||
|
|
||||||
|
{{- define "config-redis.conf" }}
|
||||||
|
{{- if .Values.redis.customConfig }}
|
||||||
|
{{ tpl .Values.redis.customConfig . | indent 4 }}
|
||||||
|
{{- else }}
|
||||||
|
dir "/data"
|
||||||
|
port {{ .Values.redis.port }}
|
||||||
|
{{- range $key, $value := .Values.redis.config }}
|
||||||
|
{{ $key }} {{ $value }}
|
||||||
|
{{- end }}
|
||||||
|
{{- if .Values.auth }}
|
||||||
|
requirepass replace-default-auth
|
||||||
|
masterauth replace-default-auth
|
||||||
|
{{- end }}
|
||||||
|
{{- end }}
|
||||||
|
{{- end }}
|
||||||
|
|
||||||
|
{{- define "config-sentinel.conf" }}
|
||||||
|
{{- if .Values.sentinel.customConfig }}
|
||||||
|
{{ tpl .Values.sentinel.customConfig . | indent 4 }}
|
||||||
|
{{- else }}
|
||||||
|
dir "/data"
|
||||||
|
{{- range $key, $value := .Values.sentinel.config }}
|
||||||
|
{{- if eq "maxclients" $key }}
|
||||||
|
{{ $key }} {{ $value }}
|
||||||
|
{{- else }}
|
||||||
|
sentinel {{ $key }} {{ template "redis-ha.masterGroupName" $ }} {{ $value }}
|
||||||
|
{{- end }}
|
||||||
|
{{- end }}
|
||||||
|
{{- if .Values.auth }}
|
||||||
|
sentinel auth-pass {{ template "redis-ha.masterGroupName" . }} replace-default-auth
|
||||||
|
{{- end }}
|
||||||
|
{{- end }}
|
||||||
|
{{- end }}
|
||||||
|
|
||||||
|
{{- define "config-init.sh" }}
|
||||||
|
HOSTNAME="$(hostname)"
|
||||||
|
INDEX="${HOSTNAME##*-}"
|
||||||
|
MASTER="$(redis-cli -h {{ template "redis-ha.fullname" . }} -p {{ .Values.sentinel.port }} sentinel get-master-addr-by-name {{ template "redis-ha.masterGroupName" . }} | grep -E '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}')"
|
||||||
|
MASTER_GROUP="{{ template "redis-ha.masterGroupName" . }}"
|
||||||
|
QUORUM="{{ .Values.sentinel.quorum }}"
|
||||||
|
REDIS_CONF=/data/conf/redis.conf
|
||||||
|
REDIS_PORT={{ .Values.redis.port }}
|
||||||
|
SENTINEL_CONF=/data/conf/sentinel.conf
|
||||||
|
SENTINEL_PORT={{ .Values.sentinel.port }}
|
||||||
|
SERVICE={{ template "redis-ha.fullname" . }}
|
||||||
|
set -eu
|
||||||
|
|
||||||
|
sentinel_update() {
|
||||||
|
echo "Updating sentinel config with master $MASTER"
|
||||||
|
eval MY_SENTINEL_ID="\${SENTINEL_ID_$INDEX}"
|
||||||
|
sed -i "1s/^/sentinel myid $MY_SENTINEL_ID\\n/" "$SENTINEL_CONF"
|
||||||
|
sed -i "2s/^/sentinel monitor $MASTER_GROUP $1 $REDIS_PORT $QUORUM \\n/" "$SENTINEL_CONF"
|
||||||
|
echo "sentinel announce-ip $ANNOUNCE_IP" >> $SENTINEL_CONF
|
||||||
|
echo "sentinel announce-port $SENTINEL_PORT" >> $SENTINEL_CONF
|
||||||
|
}
|
||||||
|
|
||||||
|
redis_update() {
|
||||||
|
echo "Updating redis config"
|
||||||
|
echo "slaveof $1 $REDIS_PORT" >> "$REDIS_CONF"
|
||||||
|
echo "slave-announce-ip $ANNOUNCE_IP" >> $REDIS_CONF
|
||||||
|
echo "slave-announce-port $REDIS_PORT" >> $REDIS_CONF
|
||||||
|
}
|
||||||
|
|
||||||
|
copy_config() {
|
||||||
|
cp /readonly-config/redis.conf "$REDIS_CONF"
|
||||||
|
cp /readonly-config/sentinel.conf "$SENTINEL_CONF"
|
||||||
|
}
|
||||||
|
|
||||||
|
setup_defaults() {
|
||||||
|
echo "Setting up defaults"
|
||||||
|
if [ "$INDEX" = "0" ]; then
|
||||||
|
echo "Setting this pod as the default master"
|
||||||
|
redis_update "$ANNOUNCE_IP"
|
||||||
|
sentinel_update "$ANNOUNCE_IP"
|
||||||
|
sed -i "s/^.*slaveof.*//" "$REDIS_CONF"
|
||||||
|
else
|
||||||
|
DEFAULT_MASTER="$(getent hosts "$SERVICE-announce-0" | awk '{ print $1 }')"
|
||||||
|
if [ -z "$DEFAULT_MASTER" ]; then
|
||||||
|
echo "Unable to resolve host"
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
echo "Setting default slave config.."
|
||||||
|
redis_update "$DEFAULT_MASTER"
|
||||||
|
sentinel_update "$DEFAULT_MASTER"
|
||||||
|
fi
|
||||||
|
}
|
||||||
|
|
||||||
|
find_master() {
|
||||||
|
echo "Attempting to find master"
|
||||||
|
if [ "$(redis-cli -h "$MASTER"{{ if .Values.auth }} -a "$AUTH"{{ end }} ping)" != "PONG" ]; then
|
||||||
|
echo "Can't ping master, attempting to force failover"
|
||||||
|
if redis-cli -h "$SERVICE" -p "$SENTINEL_PORT" sentinel failover "$MASTER_GROUP" | grep -q 'NOGOODSLAVE' ; then
|
||||||
|
setup_defaults
|
||||||
|
return 0
|
||||||
|
fi
|
||||||
|
sleep 10
|
||||||
|
MASTER="$(redis-cli -h $SERVICE -p $SENTINEL_PORT sentinel get-master-addr-by-name $MASTER_GROUP | grep -E '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}')"
|
||||||
|
if [ "$MASTER" ]; then
|
||||||
|
sentinel_update "$MASTER"
|
||||||
|
redis_update "$MASTER"
|
||||||
|
else
|
||||||
|
echo "Could not failover, exiting..."
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
else
|
||||||
|
echo "Found reachable master, updating config"
|
||||||
|
sentinel_update "$MASTER"
|
||||||
|
redis_update "$MASTER"
|
||||||
|
fi
|
||||||
|
}
|
||||||
|
|
||||||
|
mkdir -p /data/conf/
|
||||||
|
|
||||||
|
echo "Initializing config.."
|
||||||
|
copy_config
|
||||||
|
|
||||||
|
ANNOUNCE_IP=$(getent hosts "$SERVICE-announce-$INDEX" | awk '{ print $1 }')
|
||||||
|
if [ -z "$ANNOUNCE_IP" ]; then
|
||||||
|
"Could not resolve the announce ip for this pod"
|
||||||
|
exit 1
|
||||||
|
elif [ "$MASTER" ]; then
|
||||||
|
find_master
|
||||||
|
else
|
||||||
|
setup_defaults
|
||||||
|
fi
|
||||||
|
|
||||||
|
if [ "${AUTH:-}" ]; then
|
||||||
|
echo "Setting auth values"
|
||||||
|
ESCAPED_AUTH=$(echo "$AUTH" | sed -e 's/[\/&]/\\&/g');
|
||||||
|
sed -i "s/replace-default-auth/${ESCAPED_AUTH}/" "$REDIS_CONF" "$SENTINEL_CONF"
|
||||||
|
fi
|
||||||
|
|
||||||
|
echo "Ready..."
|
||||||
|
{{- end }}
|
||||||
|
|
||||||
|
{{- define "config-haproxy.cfg" }}
|
||||||
|
{{- if .Values.haproxy.customConfig }}
|
||||||
|
{{ .Values.haproxy.customConfig | indent 4}}
|
||||||
|
{{- else }}
|
||||||
|
defaults REDIS
|
||||||
|
mode tcp
|
||||||
|
timeout connect {{ .Values.haproxy.timeout.connect }}
|
||||||
|
timeout server {{ .Values.haproxy.timeout.server }}
|
||||||
|
timeout client {{ .Values.haproxy.timeout.client }}
|
||||||
|
timeout check {{ .Values.haproxy.timeout.check }}
|
||||||
|
|
||||||
|
listen health_check_http_url
|
||||||
|
bind :8888
|
||||||
|
mode http
|
||||||
|
monitor-uri /healthz
|
||||||
|
option dontlognull
|
||||||
|
|
||||||
|
{{- $root := . }}
|
||||||
|
{{- $fullName := include "redis-ha.fullname" . }}
|
||||||
|
{{- $replicas := int (toString .Values.replicas) }}
|
||||||
|
{{- $masterGroupName := include "redis-ha.masterGroupName" . }}
|
||||||
|
{{- range $i := until $replicas }}
|
||||||
|
# Check Sentinel and whether they are nominated master
|
||||||
|
backend check_if_redis_is_master_{{ $i }}
|
||||||
|
mode tcp
|
||||||
|
option tcp-check
|
||||||
|
tcp-check connect
|
||||||
|
{{- if $root.auth }}
|
||||||
|
tcp-check send AUTH\ {{ $root.redisPassword }}\r\n
|
||||||
|
tcp-check expect string +OK
|
||||||
|
{{- end }}
|
||||||
|
tcp-check send PING\r\n
|
||||||
|
tcp-check expect string +PONG
|
||||||
|
tcp-check send SENTINEL\ get-master-addr-by-name\ {{ $masterGroupName }}\r\n
|
||||||
|
tcp-check expect string REPLACE_ANNOUNCE{{ $i }}
|
||||||
|
tcp-check send QUIT\r\n
|
||||||
|
tcp-check expect string +OK
|
||||||
|
{{- range $i := until $replicas }}
|
||||||
|
server R{{ $i }} {{ $fullName }}-announce-{{ $i }}:26379 check inter 1s
|
||||||
|
{{- end }}
|
||||||
|
{{- end }}
|
||||||
|
|
||||||
|
# decide redis backend to use
|
||||||
|
#master
|
||||||
|
frontend ft_redis_master
|
||||||
|
bind *:{{ $root.Values.redis.port }}
|
||||||
|
use_backend bk_redis_master
|
||||||
|
{{- if .Values.haproxy.readOnly.enabled }}
|
||||||
|
#slave
|
||||||
|
frontend ft_redis_slave
|
||||||
|
bind *:{{ .Values.haproxy.readOnly.port }}
|
||||||
|
use_backend bk_redis_slave
|
||||||
|
{{- end }}
|
||||||
|
# Check all redis servers to see if they think they are master
|
||||||
|
backend bk_redis_master
|
||||||
|
{{- if .Values.haproxy.stickyBalancing }}
|
||||||
|
balance source
|
||||||
|
hash-type consistent
|
||||||
|
{{- end }}
|
||||||
|
mode tcp
|
||||||
|
option tcp-check
|
||||||
|
tcp-check connect
|
||||||
|
{{- if .Values.auth }}
|
||||||
|
tcp-check send AUTH\ REPLACE_AUTH_SECRET\r\n
|
||||||
|
tcp-check expect string +OK
|
||||||
|
{{- end }}
|
||||||
|
tcp-check send PING\r\n
|
||||||
|
tcp-check expect string +PONG
|
||||||
|
tcp-check send info\ replication\r\n
|
||||||
|
tcp-check expect string role:master
|
||||||
|
tcp-check send QUIT\r\n
|
||||||
|
tcp-check expect string +OK
|
||||||
|
{{- range $i := until $replicas }}
|
||||||
|
use-server R{{ $i }} if { srv_is_up(R{{ $i }}) } { nbsrv(check_if_redis_is_master_{{ $i }}) ge 2 }
|
||||||
|
server R{{ $i }} {{ $fullName }}-announce-{{ $i }}:{{ $root.Values.redis.port }} check inter 1s fall 1 rise 1
|
||||||
|
{{- end }}
|
||||||
|
{{- if .Values.haproxy.readOnly.enabled }}
|
||||||
|
backend bk_redis_slave
|
||||||
|
{{- if .Values.haproxy.stickyBalancing }}
|
||||||
|
balance source
|
||||||
|
hash-type consistent
|
||||||
|
{{- end }}
|
||||||
|
mode tcp
|
||||||
|
option tcp-check
|
||||||
|
tcp-check connect
|
||||||
|
{{- if .Values.auth }}
|
||||||
|
tcp-check send AUTH\ REPLACE_AUTH_SECRET\r\n
|
||||||
|
tcp-check expect string +OK
|
||||||
|
{{- end }}
|
||||||
|
tcp-check send PING\r\n
|
||||||
|
tcp-check expect string +PONG
|
||||||
|
tcp-check send info\ replication\r\n
|
||||||
|
tcp-check expect string role:slave
|
||||||
|
tcp-check send QUIT\r\n
|
||||||
|
tcp-check expect string +OK
|
||||||
|
{{- range $i := until $replicas }}
|
||||||
|
server R{{ $i }} {{ $fullName }}-announce-{{ $i }}:{{ $root.Values.redis.port }} check inter 1s fall 1 rise 1
|
||||||
|
{{- end }}
|
||||||
|
{{- end }}
|
||||||
|
{{- if .Values.haproxy.metrics.enabled }}
|
||||||
|
frontend metrics
|
||||||
|
mode http
|
||||||
|
bind *:{{ .Values.haproxy.metrics.port }}
|
||||||
|
option http-use-htx
|
||||||
|
http-request use-service prometheus-exporter if { path {{ .Values.haproxy.metrics.scrapePath }} }
|
||||||
|
{{- end }}
|
||||||
|
{{- if .Values.haproxy.extraConfig }}
|
||||||
|
# Additional configuration
|
||||||
|
{{ .Values.haproxy.extraConfig | indent 4 }}
|
||||||
|
{{- end }}
|
||||||
|
{{- end }}
|
||||||
|
{{- end }}
|
||||||
|
|
||||||
|
|
||||||
|
{{- define "config-haproxy_init.sh" }}
|
||||||
|
HAPROXY_CONF=/data/haproxy.cfg
|
||||||
|
cp /readonly/haproxy.cfg "$HAPROXY_CONF"
|
||||||
|
{{- $fullName := include "redis-ha.fullname" . }}
|
||||||
|
{{- $replicas := int (toString .Values.replicas) }}
|
||||||
|
{{- range $i := until $replicas }}
|
||||||
|
for loop in $(seq 1 10); do
|
||||||
|
getent hosts {{ $fullName }}-announce-{{ $i }} && break
|
||||||
|
echo "Waiting for service {{ $fullName }}-announce-{{ $i }} to be ready ($loop) ..." && sleep 1
|
||||||
|
done
|
||||||
|
ANNOUNCE_IP{{ $i }}=$(getent hosts "{{ $fullName }}-announce-{{ $i }}" | awk '{ print $1 }')
|
||||||
|
if [ -z "$ANNOUNCE_IP{{ $i }}" ]; then
|
||||||
|
echo "Could not resolve the announce ip for {{ $fullName }}-announce-{{ $i }}"
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
sed -i "s/REPLACE_ANNOUNCE{{ $i }}/$ANNOUNCE_IP{{ $i }}/" "$HAPROXY_CONF"
|
||||||
|
|
||||||
|
if [ "${AUTH:-}" ]; then
|
||||||
|
echo "Setting auth values"
|
||||||
|
ESCAPED_AUTH=$(echo "$AUTH" | sed -e 's/[\/&]/\\&/g');
|
||||||
|
sed -i "s/REPLACE_AUTH_SECRET/${ESCAPED_AUTH}/" "$HAPROXY_CONF"
|
||||||
|
fi
|
||||||
|
{{- end }}
|
||||||
|
{{- end }}
|
||||||
|
|
@ -25,6 +25,16 @@ We truncate at 63 chars because some Kubernetes name fields are limited to this
|
||||||
{{- end -}}
|
{{- end -}}
|
||||||
{{- end -}}
|
{{- end -}}
|
||||||
|
|
||||||
|
|
||||||
|
{{/*
|
||||||
|
Return sysctl image
|
||||||
|
*/}}
|
||||||
|
{{- define "redis.sysctl.image" -}}
|
||||||
|
{{- $registryName := default "docker.io" .Values.sysctlImage.registry -}}
|
||||||
|
{{- $tag := default "latest" .Values.sysctlImage.tag | toString -}}
|
||||||
|
{{- printf "%s/%s:%s" $registryName .Values.sysctlImage.repository $tag -}}
|
||||||
|
{{- end -}}
|
||||||
|
|
||||||
{{- /*
|
{{- /*
|
||||||
Credit: @technosophos
|
Credit: @technosophos
|
||||||
https://github.com/technosophos/common-chart/
|
https://github.com/technosophos/common-chart/
|
||||||
|
|
@ -51,3 +61,23 @@ Example output:
|
||||||
{{- replace "+" "_" .Chart.Version | printf "%s-%s" .Chart.Name -}}
|
{{- replace "+" "_" .Chart.Version | printf "%s-%s" .Chart.Name -}}
|
||||||
{{- end -}}
|
{{- end -}}
|
||||||
|
|
||||||
|
{{/*
|
||||||
|
Create the name of the service account to use
|
||||||
|
*/}}
|
||||||
|
{{- define "redis-ha.serviceAccountName" -}}
|
||||||
|
{{- if .Values.serviceAccount.create -}}
|
||||||
|
{{ default (include "redis-ha.fullname" .) .Values.serviceAccount.name }}
|
||||||
|
{{- else -}}
|
||||||
|
{{ default "default" .Values.serviceAccount.name }}
|
||||||
|
{{- end -}}
|
||||||
|
{{- end -}}
|
||||||
|
|
||||||
|
{{- define "redis-ha.masterGroupName" -}}
|
||||||
|
{{- $masterGroupName := tpl ( .Values.redis.masterGroupName | default "") . -}}
|
||||||
|
{{- $validMasterGroupName := regexMatch "^[\\w-\\.]+$" $masterGroupName -}}
|
||||||
|
{{- if $validMasterGroupName -}}
|
||||||
|
{{ $masterGroupName }}
|
||||||
|
{{- else -}}
|
||||||
|
{{ required "A valid .Values.redis.masterGroupName entry is required (matching ^[\\w-\\.]+$)" ""}}
|
||||||
|
{{- end -}}
|
||||||
|
{{- end -}}
|
||||||
|
|
|
||||||
|
|
@ -3,9 +3,10 @@ apiVersion: v1
|
||||||
kind: Secret
|
kind: Secret
|
||||||
metadata:
|
metadata:
|
||||||
name: {{ template "redis-ha.fullname" . }}
|
name: {{ template "redis-ha.fullname" . }}
|
||||||
|
namespace: {{ .Release.Namespace }}
|
||||||
labels:
|
labels:
|
||||||
{{ include "labels.standard" . | indent 4 }}
|
{{ include "labels.standard" . | indent 4 }}
|
||||||
type: Opaque
|
type: Opaque
|
||||||
data:
|
data:
|
||||||
auth: {{ .Values.redisPassword | b64enc | quote }}
|
{{ .Values.authKey }}: {{ .Values.redisPassword | b64enc | quote }}
|
||||||
{{- end -}}
|
{{- end -}}
|
||||||
|
|
|
||||||
|
|
@ -1,5 +1,6 @@
|
||||||
{{- $fullName := include "redis-ha.fullname" . }}
|
{{- $fullName := include "redis-ha.fullname" . }}
|
||||||
{{- $replicas := int .Values.replicas }}
|
{{- $namespace := .Release.Namespace -}}
|
||||||
|
{{- $replicas := int (toString .Values.replicas) }}
|
||||||
{{- $root := . }}
|
{{- $root := . }}
|
||||||
{{- range $i := until $replicas }}
|
{{- range $i := until $replicas }}
|
||||||
---
|
---
|
||||||
|
|
@ -7,6 +8,7 @@ apiVersion: v1
|
||||||
kind: Service
|
kind: Service
|
||||||
metadata:
|
metadata:
|
||||||
name: {{ $fullName }}-announce-{{ $i }}
|
name: {{ $fullName }}-announce-{{ $i }}
|
||||||
|
namespace: {{ $namespace }}
|
||||||
labels:
|
labels:
|
||||||
{{ include "labels.standard" $root | indent 4 }}
|
{{ include "labels.standard" $root | indent 4 }}
|
||||||
annotations:
|
annotations:
|
||||||
|
|
@ -26,6 +28,12 @@ spec:
|
||||||
port: {{ $root.Values.sentinel.port }}
|
port: {{ $root.Values.sentinel.port }}
|
||||||
protocol: TCP
|
protocol: TCP
|
||||||
targetPort: sentinel
|
targetPort: sentinel
|
||||||
|
{{- if $root.Values.exporter.enabled }}
|
||||||
|
- name: exporter
|
||||||
|
port: {{ $root.Values.exporter.port }}
|
||||||
|
protocol: TCP
|
||||||
|
targetPort: exporter-port
|
||||||
|
{{- end }}
|
||||||
selector:
|
selector:
|
||||||
release: {{ $root.Release.Name }}
|
release: {{ $root.Release.Name }}
|
||||||
app: {{ include "redis-ha.name" $root }}
|
app: {{ include "redis-ha.name" $root }}
|
||||||
|
|
|
||||||
|
|
@ -2,6 +2,7 @@ apiVersion: v1
|
||||||
kind: ConfigMap
|
kind: ConfigMap
|
||||||
metadata:
|
metadata:
|
||||||
name: {{ template "redis-ha.fullname" . }}-configmap
|
name: {{ template "redis-ha.fullname" . }}-configmap
|
||||||
|
namespace: {{ .Release.Namespace }}
|
||||||
labels:
|
labels:
|
||||||
heritage: {{ .Release.Service }}
|
heritage: {{ .Release.Service }}
|
||||||
release: {{ .Release.Name }}
|
release: {{ .Release.Name }}
|
||||||
|
|
@ -9,129 +10,16 @@ metadata:
|
||||||
app: {{ template "redis-ha.fullname" . }}
|
app: {{ template "redis-ha.fullname" . }}
|
||||||
data:
|
data:
|
||||||
redis.conf: |
|
redis.conf: |
|
||||||
{{- if .Values.redis.customConfig }}
|
{{- include "config-redis.conf" . }}
|
||||||
{{ .Values.redis.customConfig | indent 4 }}
|
|
||||||
{{- else }}
|
|
||||||
dir "/data"
|
|
||||||
{{- range $key, $value := .Values.redis.config }}
|
|
||||||
{{ $key }} {{ $value }}
|
|
||||||
{{- end }}
|
|
||||||
{{- if .Values.auth }}
|
|
||||||
requirepass replace-default-auth
|
|
||||||
masterauth replace-default-auth
|
|
||||||
{{- end }}
|
|
||||||
{{- end }}
|
|
||||||
|
|
||||||
sentinel.conf: |
|
sentinel.conf: |
|
||||||
{{- if .Values.sentinel.customConfig }}
|
{{- include "config-sentinel.conf" . }}
|
||||||
{{ .Values.sentinel.customConfig | indent 4 }}
|
|
||||||
{{- else }}
|
|
||||||
dir "/data"
|
|
||||||
{{- $root := . -}}
|
|
||||||
{{- range $key, $value := .Values.sentinel.config }}
|
|
||||||
sentinel {{ $key }} {{ $root.Values.redis.masterGroupName }} {{ $value }}
|
|
||||||
{{- end }}
|
|
||||||
{{- if .Values.auth }}
|
|
||||||
sentinel auth-pass {{ .Values.redis.masterGroupName }} replace-default-auth
|
|
||||||
{{- end }}
|
|
||||||
{{- end }}
|
|
||||||
|
|
||||||
init.sh: |
|
init.sh: |
|
||||||
HOSTNAME="$(hostname)"
|
{{- include "config-init.sh" . }}
|
||||||
INDEX="${HOSTNAME##*-}"
|
{{ if .Values.haproxy.enabled }}
|
||||||
MASTER="$(redis-cli -h {{ template "redis-ha.fullname" . }} -p {{ .Values.sentinel.port }} sentinel get-master-addr-by-name {{ .Values.redis.masterGroupName }} | grep -E '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}')"
|
haproxy.cfg: |-
|
||||||
MASTER_GROUP="{{ .Values.redis.masterGroupName }}"
|
{{- include "config-haproxy.cfg" . }}
|
||||||
QUORUM="{{ .Values.sentinel.quorum }}"
|
{{- end }}
|
||||||
REDIS_CONF=/data/conf/redis.conf
|
haproxy_init.sh: |
|
||||||
REDIS_PORT={{ .Values.redis.port }}
|
{{- include "config-haproxy_init.sh" . }}
|
||||||
SENTINEL_CONF=/data/conf/sentinel.conf
|
|
||||||
SENTINEL_PORT={{ .Values.sentinel.port }}
|
|
||||||
SERVICE={{ template "redis-ha.fullname" . }}
|
|
||||||
set -eu
|
|
||||||
|
|
||||||
sentinel_update() {
|
|
||||||
echo "Updating sentinel config"
|
|
||||||
sed -i "1s/^/$(cat sentinel-id)\\n/" "$SENTINEL_CONF"
|
|
||||||
sed -i "2s/^/sentinel monitor $MASTER_GROUP $1 $REDIS_PORT $QUORUM \\n/" "$SENTINEL_CONF"
|
|
||||||
echo "sentinel announce-ip $ANNOUNCE_IP" >> $SENTINEL_CONF
|
|
||||||
echo "sentinel announce-port $SENTINEL_PORT" >> $SENTINEL_CONF
|
|
||||||
}
|
|
||||||
|
|
||||||
redis_update() {
|
|
||||||
echo "Updating redis config"
|
|
||||||
echo "slaveof $1 $REDIS_PORT" >> "$REDIS_CONF"
|
|
||||||
echo "slave-announce-ip $ANNOUNCE_IP" >> $REDIS_CONF
|
|
||||||
echo "slave-announce-port $REDIS_PORT" >> $REDIS_CONF
|
|
||||||
}
|
|
||||||
|
|
||||||
copy_config() {
|
|
||||||
if [ -f "$SENTINEL_CONF" ]; then
|
|
||||||
grep "sentinel myid" "$SENTINEL_CONF" > sentinel-id || true
|
|
||||||
fi
|
|
||||||
cp /readonly-config/redis.conf "$REDIS_CONF"
|
|
||||||
cp /readonly-config/sentinel.conf "$SENTINEL_CONF"
|
|
||||||
}
|
|
||||||
|
|
||||||
setup_defaults() {
|
|
||||||
echo "Setting up defaults"
|
|
||||||
if [ "$INDEX" = "0" ]; then
|
|
||||||
echo "Setting this pod as the default master"
|
|
||||||
sed -i "s/^.*slaveof.*//" "$REDIS_CONF"
|
|
||||||
sentinel_update "$ANNOUNCE_IP"
|
|
||||||
else
|
|
||||||
DEFAULT_MASTER="$(getent hosts "$SERVICE-announce-0" | awk '{ print $1 }')"
|
|
||||||
if [ -z "$DEFAULT_MASTER" ]; then
|
|
||||||
echo "Unable to resolve host"
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
echo "Setting default slave config.."
|
|
||||||
redis_update "$DEFAULT_MASTER"
|
|
||||||
sentinel_update "$DEFAULT_MASTER"
|
|
||||||
fi
|
|
||||||
}
|
|
||||||
|
|
||||||
find_master() {
|
|
||||||
echo "Attempting to find master"
|
|
||||||
if [ "$(redis-cli -h "$MASTER"{{ if .Values.auth }} -a "$AUTH"{{ end }} ping)" != "PONG" ]; then
|
|
||||||
echo "Can't ping master, attempting to force failover"
|
|
||||||
if redis-cli -h "$SERVICE" -p "$SENTINEL_PORT" sentinel failover "$MASTER_GROUP" | grep -q 'NOGOODSLAVE' ; then
|
|
||||||
setup_defaults
|
|
||||||
return 0
|
|
||||||
fi
|
|
||||||
sleep 10
|
|
||||||
MASTER="$(redis-cli -h $SERVICE -p $SENTINEL_PORT sentinel get-master-addr-by-name $MASTER_GROUP | grep -E '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}')"
|
|
||||||
if [ "$MASTER" ]; then
|
|
||||||
sentinel_update "$MASTER"
|
|
||||||
redis_update "$MASTER"
|
|
||||||
else
|
|
||||||
echo "Could not failover, exiting..."
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
else
|
|
||||||
echo "Found reachable master, updating config"
|
|
||||||
sentinel_update "$MASTER"
|
|
||||||
redis_update "$MASTER"
|
|
||||||
fi
|
|
||||||
}
|
|
||||||
|
|
||||||
mkdir -p /data/conf/
|
|
||||||
|
|
||||||
echo "Initializing config.."
|
|
||||||
copy_config
|
|
||||||
|
|
||||||
ANNOUNCE_IP=$(getent hosts "$SERVICE-announce-$INDEX" | awk '{ print $1 }')
|
|
||||||
if [ -z "$ANNOUNCE_IP" ]; then
|
|
||||||
"Could not resolve the announce ip for this pod"
|
|
||||||
exit 1
|
|
||||||
elif [ "$MASTER" ]; then
|
|
||||||
find_master
|
|
||||||
else
|
|
||||||
setup_defaults
|
|
||||||
fi
|
|
||||||
|
|
||||||
if [ "${AUTH:-}" ]; then
|
|
||||||
echo "Setting auth values"
|
|
||||||
sed -i "s/replace-default-auth/$AUTH/" "$REDIS_CONF" "$SENTINEL_CONF"
|
|
||||||
fi
|
|
||||||
|
|
||||||
echo "Ready..."
|
|
||||||
|
|
|
||||||
|
|
@ -0,0 +1,11 @@
|
||||||
|
{{- if .Values.exporter.script }}
|
||||||
|
apiVersion: v1
|
||||||
|
kind: ConfigMap
|
||||||
|
metadata:
|
||||||
|
name: {{ template "redis-ha.fullname" . }}-exporter-script-configmap
|
||||||
|
namespace: {{ .Release.Namespace }}
|
||||||
|
labels:
|
||||||
|
{{ include "labels.standard" . | indent 4 }}
|
||||||
|
data:
|
||||||
|
script: {{ toYaml .Values.exporter.script | indent 2 }}
|
||||||
|
{{- end }}
|
||||||
|
|
@ -1,41 +0,0 @@
|
||||||
apiVersion: v1
|
|
||||||
kind: ConfigMap
|
|
||||||
metadata:
|
|
||||||
name: {{ template "redis-ha.fullname" . }}-probes
|
|
||||||
labels:
|
|
||||||
heritage: {{ .Release.Service }}
|
|
||||||
release: {{ .Release.Name }}
|
|
||||||
chart: {{ .Chart.Name }}-{{ .Chart.Version }}
|
|
||||||
app: {{ template "redis-ha.fullname" . }}
|
|
||||||
data:
|
|
||||||
check-quorum.sh: |
|
|
||||||
#!/bin/sh
|
|
||||||
set -eu
|
|
||||||
MASTER_GROUP="{{ .Values.redis.masterGroupName }}"
|
|
||||||
SENTINEL_PORT={{ .Values.sentinel.port }}
|
|
||||||
REDIS_PORT={{ .Values.redis.port }}
|
|
||||||
NUM_SLAVES=$(redis-cli -p "$SENTINEL_PORT" sentinel master {{ .Values.redis.masterGroupName }} | awk '/num-slaves/{getline; print}')
|
|
||||||
MIN_SLAVES={{ index .Values.redis.config "min-slaves-to-write" }}
|
|
||||||
|
|
||||||
if [ "$1" = "$SENTINEL_PORT" ]; then
|
|
||||||
if redis-cli -p "$SENTINEL_PORT" sentinel ckquorum "$MASTER_GROUP" | grep -q NOQUORUM ; then
|
|
||||||
echo "ERROR: NOQUORUM. Sentinel quorum check failed, not enough sentinels found"
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
elif [ "$1" = "$REDIS_PORT" ]; then
|
|
||||||
if [ "$MIN_SLAVES" -gt "$NUM_SLAVES" ]; then
|
|
||||||
echo "Could not find enough replicating slaves. Needed $MIN_SLAVES but found $NUM_SLAVES"
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
fi
|
|
||||||
sh /probes/readiness.sh "$1"
|
|
||||||
|
|
||||||
readiness.sh: |
|
|
||||||
#!/bin/sh
|
|
||||||
set -eu
|
|
||||||
CHECK_SERVER="$(redis-cli -p "$1"{{ if .Values.auth }} -a "$AUTH"{{ end }} ping)"
|
|
||||||
|
|
||||||
if [ "$CHECK_SERVER" != "PONG" ]; then
|
|
||||||
echo "Server check failed with: $CHECK_SERVER"
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
|
|
@ -3,6 +3,7 @@ apiVersion: policy/v1beta1
|
||||||
kind: PodDisruptionBudget
|
kind: PodDisruptionBudget
|
||||||
metadata:
|
metadata:
|
||||||
name: {{ template "redis-ha.fullname" . }}-pdb
|
name: {{ template "redis-ha.fullname" . }}-pdb
|
||||||
|
namespace: {{ .Release.Namespace }}
|
||||||
labels:
|
labels:
|
||||||
{{ include "labels.standard" . | indent 4 }}
|
{{ include "labels.standard" . | indent 4 }}
|
||||||
spec:
|
spec:
|
||||||
|
|
|
||||||
|
|
@ -0,0 +1,19 @@
|
||||||
|
{{- if and .Values.serviceAccount.create .Values.rbac.create }}
|
||||||
|
apiVersion: rbac.authorization.k8s.io/v1
|
||||||
|
kind: Role
|
||||||
|
metadata:
|
||||||
|
name: {{ template "redis-ha.fullname" . }}
|
||||||
|
namespace: {{ .Release.Namespace }}
|
||||||
|
labels:
|
||||||
|
heritage: {{ .Release.Service }}
|
||||||
|
release: {{ .Release.Name }}
|
||||||
|
chart: {{ .Chart.Name }}-{{ .Chart.Version }}
|
||||||
|
app: {{ template "redis-ha.fullname" . }}
|
||||||
|
rules:
|
||||||
|
- apiGroups:
|
||||||
|
- ""
|
||||||
|
resources:
|
||||||
|
- endpoints
|
||||||
|
verbs:
|
||||||
|
- get
|
||||||
|
{{- end }}
|
||||||
|
|
@ -0,0 +1,19 @@
|
||||||
|
{{- if and .Values.serviceAccount.create .Values.rbac.create }}
|
||||||
|
kind: RoleBinding
|
||||||
|
apiVersion: rbac.authorization.k8s.io/v1
|
||||||
|
metadata:
|
||||||
|
name: {{ template "redis-ha.fullname" . }}
|
||||||
|
namespace: {{ .Release.Namespace }}
|
||||||
|
labels:
|
||||||
|
heritage: {{ .Release.Service }}
|
||||||
|
release: {{ .Release.Name }}
|
||||||
|
chart: {{ .Chart.Name }}-{{ .Chart.Version }}
|
||||||
|
app: {{ template "redis-ha.fullname" . }}
|
||||||
|
subjects:
|
||||||
|
- kind: ServiceAccount
|
||||||
|
name: {{ template "redis-ha.serviceAccountName" . }}
|
||||||
|
roleRef:
|
||||||
|
apiGroup: rbac.authorization.k8s.io
|
||||||
|
kind: Role
|
||||||
|
name: {{ template "redis-ha.fullname" . }}
|
||||||
|
{{- end }}
|
||||||
|
|
@ -2,8 +2,12 @@ apiVersion: v1
|
||||||
kind: Service
|
kind: Service
|
||||||
metadata:
|
metadata:
|
||||||
name: {{ template "redis-ha.fullname" . }}
|
name: {{ template "redis-ha.fullname" . }}
|
||||||
|
namespace: {{ .Release.Namespace }}
|
||||||
labels:
|
labels:
|
||||||
{{ include "labels.standard" . | indent 4 }}
|
{{ include "labels.standard" . | indent 4 }}
|
||||||
|
{{- if and ( .Values.exporter.enabled ) ( .Values.exporter.serviceMonitor.enabled ) }}
|
||||||
|
servicemonitor: enabled
|
||||||
|
{{- end }}
|
||||||
annotations:
|
annotations:
|
||||||
{{- if .Values.serviceAnnotations }}
|
{{- if .Values.serviceAnnotations }}
|
||||||
{{ toYaml .Values.serviceAnnotations | indent 4 }}
|
{{ toYaml .Values.serviceAnnotations | indent 4 }}
|
||||||
|
|
@ -20,6 +24,12 @@ spec:
|
||||||
port: {{ .Values.sentinel.port }}
|
port: {{ .Values.sentinel.port }}
|
||||||
protocol: TCP
|
protocol: TCP
|
||||||
targetPort: sentinel
|
targetPort: sentinel
|
||||||
|
{{- if .Values.exporter.enabled }}
|
||||||
|
- name: exporter-port
|
||||||
|
port: {{ .Values.exporter.port }}
|
||||||
|
protocol: TCP
|
||||||
|
targetPort: exporter-port
|
||||||
|
{{- end }}
|
||||||
selector:
|
selector:
|
||||||
release: {{ .Release.Name }}
|
release: {{ .Release.Name }}
|
||||||
app: {{ template "redis-ha.name" . }}
|
app: {{ template "redis-ha.name" . }}
|
||||||
|
|
@ -0,0 +1,12 @@
|
||||||
|
{{- if .Values.serviceAccount.create }}
|
||||||
|
apiVersion: v1
|
||||||
|
kind: ServiceAccount
|
||||||
|
metadata:
|
||||||
|
name: {{ template "redis-ha.serviceAccountName" . }}
|
||||||
|
namespace: {{ .Release.Namespace }}
|
||||||
|
labels:
|
||||||
|
heritage: {{ .Release.Service }}
|
||||||
|
release: {{ .Release.Name }}
|
||||||
|
chart: {{ .Chart.Name }}-{{ .Chart.Version }}
|
||||||
|
app: {{ template "redis-ha.fullname" . }}
|
||||||
|
{{- end }}
|
||||||
|
|
@ -0,0 +1,35 @@
|
||||||
|
{{- if and ( .Capabilities.APIVersions.Has "monitoring.coreos.com/v1" ) ( .Values.exporter.serviceMonitor.enabled ) ( .Values.exporter.enabled ) }}
|
||||||
|
apiVersion: monitoring.coreos.com/v1
|
||||||
|
kind: ServiceMonitor
|
||||||
|
metadata:
|
||||||
|
{{- if .Values.exporter.serviceMonitor.labels }}
|
||||||
|
labels:
|
||||||
|
{{ toYaml .Values.exporter.serviceMonitor.labels | indent 4}}
|
||||||
|
{{- end }}
|
||||||
|
name: {{ template "redis-ha.fullname" . }}
|
||||||
|
namespace: {{ .Release.Namespace }}
|
||||||
|
{{- if .Values.exporter.serviceMonitor.namespace }}
|
||||||
|
namespace: {{ .Values.exporter.serviceMonitor.namespace }}
|
||||||
|
{{- end }}
|
||||||
|
spec:
|
||||||
|
endpoints:
|
||||||
|
- targetPort: {{ .Values.exporter.port }}
|
||||||
|
{{- if .Values.exporter.serviceMonitor.interval }}
|
||||||
|
interval: {{ .Values.exporter.serviceMonitor.interval }}
|
||||||
|
{{- end }}
|
||||||
|
{{- if .Values.exporter.serviceMonitor.telemetryPath }}
|
||||||
|
path: {{ .Values.exporter.serviceMonitor.telemetryPath }}
|
||||||
|
{{- end }}
|
||||||
|
{{- if .Values.exporter.serviceMonitor.timeout }}
|
||||||
|
scrapeTimeout: {{ .Values.exporter.serviceMonitor.timeout }}
|
||||||
|
{{- end }}
|
||||||
|
jobLabel: {{ template "redis-ha.fullname" . }}
|
||||||
|
namespaceSelector:
|
||||||
|
matchNames:
|
||||||
|
- {{ .Release.Namespace }}
|
||||||
|
selector:
|
||||||
|
matchLabels:
|
||||||
|
app: {{ template "redis-ha.name" . }}
|
||||||
|
release: {{ .Release.Name }}
|
||||||
|
servicemonitor: enabled
|
||||||
|
{{- end }}
|
||||||
|
|
@ -2,7 +2,9 @@ apiVersion: apps/v1
|
||||||
kind: StatefulSet
|
kind: StatefulSet
|
||||||
metadata:
|
metadata:
|
||||||
name: {{ template "redis-ha.fullname" . }}-server
|
name: {{ template "redis-ha.fullname" . }}-server
|
||||||
|
namespace: {{ .Release.Namespace }}
|
||||||
labels:
|
labels:
|
||||||
|
{{ template "redis-ha.fullname" . }}: replica
|
||||||
{{ include "labels.standard" . | indent 4 }}
|
{{ include "labels.standard" . | indent 4 }}
|
||||||
spec:
|
spec:
|
||||||
selector:
|
selector:
|
||||||
|
|
@ -17,15 +19,26 @@ spec:
|
||||||
template:
|
template:
|
||||||
metadata:
|
metadata:
|
||||||
annotations:
|
annotations:
|
||||||
checksum/init-config: {{ include (print $.Template.BasePath "/redis-ha-configmap.yaml") . | sha256sum }}
|
checksum/init-config: {{ print (include "config-redis.conf" .) (include "config-init.sh" .) | sha256sum }}
|
||||||
checksum/probe-config: {{ include (print $.Template.BasePath "/redis-ha-healthchecks.yaml") . | sha256sum }}
|
|
||||||
{{- if .Values.podAnnotations }}
|
{{- if .Values.podAnnotations }}
|
||||||
{{ toYaml .Values.podAnnotations | indent 8 }}
|
{{ toYaml .Values.podAnnotations | indent 8 }}
|
||||||
{{- end }}
|
{{- end }}
|
||||||
|
{{- if .Values.exporter.enabled }}
|
||||||
|
prometheus.io/port: "{{ .Values.exporter.port }}"
|
||||||
|
prometheus.io/scrape: "true"
|
||||||
|
prometheus.io/path: {{ .Values.exporter.scrapePath }}
|
||||||
|
{{- end }}
|
||||||
labels:
|
labels:
|
||||||
release: {{ .Release.Name }}
|
release: {{ .Release.Name }}
|
||||||
app: {{ template "redis-ha.name" . }}
|
app: {{ template "redis-ha.name" . }}
|
||||||
|
{{ template "redis-ha.fullname" . }}: replica
|
||||||
|
{{- range $key, $value := .Values.labels }}
|
||||||
|
{{ $key }}: {{ $value }}
|
||||||
|
{{- end }}
|
||||||
spec:
|
spec:
|
||||||
|
{{- if .Values.schedulerName }}
|
||||||
|
schedulerName: "{{ .Values.schedulerName }}"
|
||||||
|
{{- end }}
|
||||||
{{- if .Values.nodeSelector }}
|
{{- if .Values.nodeSelector }}
|
||||||
nodeSelector:
|
nodeSelector:
|
||||||
{{ toYaml .Values.nodeSelector | indent 8 }}
|
{{ toYaml .Values.nodeSelector | indent 8 }}
|
||||||
|
|
@ -34,13 +47,82 @@ spec:
|
||||||
tolerations:
|
tolerations:
|
||||||
{{ toYaml .Values.tolerations | indent 8 }}
|
{{ toYaml .Values.tolerations | indent 8 }}
|
||||||
{{- end }}
|
{{- end }}
|
||||||
{{- with .Values.affinity }}
|
|
||||||
affinity:
|
affinity:
|
||||||
|
{{- if .Values.affinity }}
|
||||||
|
{{- with .Values.affinity }}
|
||||||
{{ tpl . $ | indent 8 }}
|
{{ tpl . $ | indent 8 }}
|
||||||
|
{{- end }}
|
||||||
|
{{- else }}
|
||||||
|
{{- if .Values.additionalAffinities }}
|
||||||
|
{{ toYaml .Values.additionalAffinities | indent 8 }}
|
||||||
|
{{- end }}
|
||||||
|
podAntiAffinity:
|
||||||
|
{{- if .Values.hardAntiAffinity }}
|
||||||
|
requiredDuringSchedulingIgnoredDuringExecution:
|
||||||
|
- labelSelector:
|
||||||
|
matchLabels:
|
||||||
|
app: {{ template "redis-ha.name" . }}
|
||||||
|
release: {{ .Release.Name }}
|
||||||
|
{{ template "redis-ha.fullname" . }}: replica
|
||||||
|
topologyKey: kubernetes.io/hostname
|
||||||
|
{{- else }}
|
||||||
|
preferredDuringSchedulingIgnoredDuringExecution:
|
||||||
|
- labelSelector:
|
||||||
|
matchLabels:
|
||||||
|
app: {{ template "redis-ha.name" . }}
|
||||||
|
release: {{ .Release.Name }}
|
||||||
|
{{ template "redis-ha.fullname" . }}: replica
|
||||||
|
topologyKey: kubernetes.io/hostname
|
||||||
|
{{- end }}
|
||||||
|
preferredDuringSchedulingIgnoredDuringExecution:
|
||||||
|
- weight: 100
|
||||||
|
podAffinityTerm:
|
||||||
|
labelSelector:
|
||||||
|
matchLabels:
|
||||||
|
app: {{ template "redis-ha.name" . }}
|
||||||
|
release: {{ .Release.Name }}
|
||||||
|
{{ template "redis-ha.fullname" . }}: replica
|
||||||
|
topologyKey: failure-domain.beta.kubernetes.io/zone
|
||||||
|
{{- end }}
|
||||||
|
{{- if .Values.imagePullSecrets }}
|
||||||
|
imagePullSecrets: {{ toYaml .Values.imagePullSecrets | nindent 8 }}
|
||||||
{{- end }}
|
{{- end }}
|
||||||
securityContext:
|
securityContext:
|
||||||
{{ toYaml .Values.securityContext | indent 8 }}
|
{{ toYaml .Values.securityContext | indent 8 }}
|
||||||
|
serviceAccountName: {{ template "redis-ha.serviceAccountName" . }}
|
||||||
initContainers:
|
initContainers:
|
||||||
|
{{- if .Values.sysctlImage.enabled }}
|
||||||
|
- name: init-sysctl
|
||||||
|
image: {{ template "redis.sysctl.image" . }}
|
||||||
|
imagePullPolicy: {{ .Values.sysctlImage.pullPolicy }}
|
||||||
|
resources:
|
||||||
|
{{ toYaml .Values.sysctlImage.resources | indent 10 }}
|
||||||
|
{{- if .Values.sysctlImage.mountHostSys }}
|
||||||
|
volumeMounts:
|
||||||
|
- name: host-sys
|
||||||
|
mountPath: /host-sys
|
||||||
|
{{- end }}
|
||||||
|
command:
|
||||||
|
{{ toYaml .Values.sysctlImage.command | indent 10 }}
|
||||||
|
securityContext:
|
||||||
|
runAsNonRoot: false
|
||||||
|
privileged: true
|
||||||
|
runAsUser: 0
|
||||||
|
{{- end }}
|
||||||
|
{{- if and .Values.hostPath.path .Values.hostPath.chown }}
|
||||||
|
- name: hostpath-chown
|
||||||
|
image: {{ .Values.image.repository }}:{{ .Values.image.tag }}
|
||||||
|
securityContext:
|
||||||
|
runAsNonRoot: false
|
||||||
|
runAsUser: 0
|
||||||
|
command:
|
||||||
|
- chown
|
||||||
|
- "{{ .Values.securityContext.runAsUser }}"
|
||||||
|
- /data
|
||||||
|
volumeMounts:
|
||||||
|
- name: data
|
||||||
|
mountPath: /data
|
||||||
|
{{- end }}
|
||||||
- name: config-init
|
- name: config-init
|
||||||
image: {{ .Values.image.repository }}:{{ .Values.image.tag }}
|
image: {{ .Values.image.repository }}:{{ .Values.image.tag }}
|
||||||
imagePullPolicy: {{ .Values.image.pullPolicy }}
|
imagePullPolicy: {{ .Values.image.pullPolicy }}
|
||||||
|
|
@ -50,8 +132,13 @@ spec:
|
||||||
- sh
|
- sh
|
||||||
args:
|
args:
|
||||||
- /readonly-config/init.sh
|
- /readonly-config/init.sh
|
||||||
{{- if .Values.auth }}
|
|
||||||
env:
|
env:
|
||||||
|
{{- $replicas := int (toString .Values.replicas) -}}
|
||||||
|
{{- range $i := until $replicas }}
|
||||||
|
- name: SENTINEL_ID_{{ $i }}
|
||||||
|
value: {{ printf "%s\n%s\nindex: %d" (include "redis-ha.name" $) ($.Release.Name) $i | sha1sum }}
|
||||||
|
{{ end -}}
|
||||||
|
{{- if .Values.auth }}
|
||||||
- name: AUTH
|
- name: AUTH
|
||||||
valueFrom:
|
valueFrom:
|
||||||
secretKeyRef:
|
secretKeyRef:
|
||||||
|
|
@ -60,7 +147,7 @@ spec:
|
||||||
{{- else }}
|
{{- else }}
|
||||||
name: {{ template "redis-ha.fullname" . }}
|
name: {{ template "redis-ha.fullname" . }}
|
||||||
{{- end }}
|
{{- end }}
|
||||||
key: auth
|
key: {{ .Values.authKey }}
|
||||||
{{- end }}
|
{{- end }}
|
||||||
volumeMounts:
|
volumeMounts:
|
||||||
- name: config
|
- name: config
|
||||||
|
|
@ -76,7 +163,7 @@ spec:
|
||||||
- redis-server
|
- redis-server
|
||||||
args:
|
args:
|
||||||
- /data/conf/redis.conf
|
- /data/conf/redis.conf
|
||||||
{{- if .Values.auth }}
|
{{- if .Values.auth }}
|
||||||
env:
|
env:
|
||||||
- name: AUTH
|
- name: AUTH
|
||||||
valueFrom:
|
valueFrom:
|
||||||
|
|
@ -86,18 +173,12 @@ spec:
|
||||||
{{- else }}
|
{{- else }}
|
||||||
name: {{ template "redis-ha.fullname" . }}
|
name: {{ template "redis-ha.fullname" . }}
|
||||||
{{- end }}
|
{{- end }}
|
||||||
key: auth
|
key: {{ .Values.authKey }}
|
||||||
{{- end }}
|
{{- end }}
|
||||||
livenessProbe:
|
livenessProbe:
|
||||||
exec:
|
tcpSocket:
|
||||||
command: [ "sh", "/probes/readiness.sh", "{{ .Values.redis.port }}"]
|
port: {{ .Values.redis.port }}
|
||||||
initialDelaySeconds: 15
|
initialDelaySeconds: 15
|
||||||
periodSeconds: 5
|
|
||||||
readinessProbe:
|
|
||||||
exec:
|
|
||||||
command: ["sh", "/probes/readiness.sh", "{{ .Values.redis.port }}"]
|
|
||||||
initialDelaySeconds: 15
|
|
||||||
periodSeconds: 5
|
|
||||||
resources:
|
resources:
|
||||||
{{ toYaml .Values.redis.resources | indent 10 }}
|
{{ toYaml .Values.redis.resources | indent 10 }}
|
||||||
ports:
|
ports:
|
||||||
|
|
@ -106,8 +187,6 @@ spec:
|
||||||
volumeMounts:
|
volumeMounts:
|
||||||
- mountPath: /data
|
- mountPath: /data
|
||||||
name: data
|
name: data
|
||||||
- mountPath: /probes
|
|
||||||
name: probes
|
|
||||||
- name: sentinel
|
- name: sentinel
|
||||||
image: {{ .Values.image.repository }}:{{ .Values.image.tag }}
|
image: {{ .Values.image.repository }}:{{ .Values.image.tag }}
|
||||||
imagePullPolicy: {{ .Values.image.pullPolicy }}
|
imagePullPolicy: {{ .Values.image.pullPolicy }}
|
||||||
|
|
@ -125,18 +204,12 @@ spec:
|
||||||
{{- else }}
|
{{- else }}
|
||||||
name: {{ template "redis-ha.fullname" . }}
|
name: {{ template "redis-ha.fullname" . }}
|
||||||
{{- end }}
|
{{- end }}
|
||||||
key: auth
|
key: {{ .Values.authKey }}
|
||||||
{{- end }}
|
{{- end }}
|
||||||
livenessProbe:
|
livenessProbe:
|
||||||
exec:
|
tcpSocket:
|
||||||
command: [ "sh", "/probes/readiness.sh", "{{ .Values.sentinel.port }}"]
|
port: {{ .Values.sentinel.port }}
|
||||||
initialDelaySeconds: 15
|
initialDelaySeconds: 15
|
||||||
periodSeconds: 5
|
|
||||||
readinessProbe:
|
|
||||||
exec:
|
|
||||||
command: ["sh", "/probes/readiness.sh", "{{ .Values.sentinel.port }}"]
|
|
||||||
initialDelaySeconds: 15
|
|
||||||
periodSeconds: 5
|
|
||||||
resources:
|
resources:
|
||||||
{{ toYaml .Values.sentinel.resources | indent 10 }}
|
{{ toYaml .Values.sentinel.resources | indent 10 }}
|
||||||
ports:
|
ports:
|
||||||
|
|
@ -145,15 +218,70 @@ spec:
|
||||||
volumeMounts:
|
volumeMounts:
|
||||||
- mountPath: /data
|
- mountPath: /data
|
||||||
name: data
|
name: data
|
||||||
- mountPath: /probes
|
{{- if .Values.exporter.enabled }}
|
||||||
name: probes
|
- name: redis-exporter
|
||||||
|
image: "{{ .Values.exporter.image }}:{{ .Values.exporter.tag }}"
|
||||||
|
imagePullPolicy: {{ .Values.exporter.pullPolicy }}
|
||||||
|
args:
|
||||||
|
{{- range $key, $value := .Values.exporter.extraArgs }}
|
||||||
|
- --{{ $key }}={{ $value }}
|
||||||
|
{{- end }}
|
||||||
|
env:
|
||||||
|
- name: REDIS_ADDR
|
||||||
|
value: redis://localhost:{{ .Values.redis.port }}
|
||||||
|
{{- if .Values.auth }}
|
||||||
|
- name: REDIS_PASSWORD
|
||||||
|
valueFrom:
|
||||||
|
secretKeyRef:
|
||||||
|
{{- if .Values.existingSecret }}
|
||||||
|
name: {{ .Values.existingSecret }}
|
||||||
|
{{- else }}
|
||||||
|
name: {{ template "redis-ha.fullname" . }}
|
||||||
|
{{- end }}
|
||||||
|
key: {{ .Values.authKey }}
|
||||||
|
{{- end }}
|
||||||
|
{{- if .Values.exporter.script }}
|
||||||
|
- name: REDIS_EXPORTER_SCRIPT
|
||||||
|
value: /script/script.lua
|
||||||
|
{{- end }}
|
||||||
|
livenessProbe:
|
||||||
|
httpGet:
|
||||||
|
path: {{ .Values.exporter.scrapePath }}
|
||||||
|
port: {{ .Values.exporter.port }}
|
||||||
|
initialDelaySeconds: 15
|
||||||
|
timeoutSeconds: 1
|
||||||
|
periodSeconds: 15
|
||||||
|
resources:
|
||||||
|
{{ toYaml .Values.exporter.resources | indent 10 }}
|
||||||
|
ports:
|
||||||
|
- name: exporter-port
|
||||||
|
containerPort: {{ .Values.exporter.port }}
|
||||||
|
{{- if .Values.exporter.script }}
|
||||||
|
volumeMounts:
|
||||||
|
- mountPath: /script
|
||||||
|
name: script-mount
|
||||||
|
{{- end }}
|
||||||
|
{{- end }}
|
||||||
|
{{- if .Values.priorityClassName }}
|
||||||
|
priorityClassName: {{ .Values.priorityClassName }}
|
||||||
|
{{- end }}
|
||||||
volumes:
|
volumes:
|
||||||
- name: config
|
- name: config
|
||||||
configMap:
|
configMap:
|
||||||
name: {{ template "redis-ha.fullname" . }}-configmap
|
name: {{ template "redis-ha.fullname" . }}-configmap
|
||||||
- name: probes
|
{{- if .Values.sysctlImage.mountHostSys }}
|
||||||
|
- name: host-sys
|
||||||
|
hostPath:
|
||||||
|
path: /sys
|
||||||
|
{{- end }}
|
||||||
|
{{- if .Values.exporter.script }}
|
||||||
|
- name: script-mount
|
||||||
configMap:
|
configMap:
|
||||||
name: {{ template "redis-ha.fullname" . }}-probes
|
name: {{ template "redis-ha.fullname" . }}-exporter-script-configmap
|
||||||
|
items:
|
||||||
|
- key: script
|
||||||
|
path: script.lua
|
||||||
|
{{- end }}
|
||||||
{{- if .Values.persistentVolume.enabled }}
|
{{- if .Values.persistentVolume.enabled }}
|
||||||
volumeClaimTemplates:
|
volumeClaimTemplates:
|
||||||
- metadata:
|
- metadata:
|
||||||
|
|
@ -177,7 +305,15 @@ spec:
|
||||||
storageClassName: "{{ .Values.persistentVolume.storageClass }}"
|
storageClassName: "{{ .Values.persistentVolume.storageClass }}"
|
||||||
{{- end }}
|
{{- end }}
|
||||||
{{- end }}
|
{{- end }}
|
||||||
|
{{- if .Values.persistentVolume.reclaimPolicy }}
|
||||||
|
persistentVolumeReclaimPolicy: "{{ .Values.persistentVolume.reclaimPolicy }}"
|
||||||
|
{{- end }}
|
||||||
|
{{- else if .Values.hostPath.path }}
|
||||||
|
- name: data
|
||||||
|
hostPath:
|
||||||
|
path: {{ tpl .Values.hostPath.path .}}
|
||||||
{{- else }}
|
{{- else }}
|
||||||
- name: data
|
- name: data
|
||||||
emptyDir: {}
|
emptyDir:
|
||||||
|
{{ toYaml .Values.emptyDir | indent 10 }}
|
||||||
{{- end }}
|
{{- end }}
|
||||||
|
|
|
||||||
|
|
@ -0,0 +1,151 @@
|
||||||
|
{{- if .Values.haproxy.enabled }}
|
||||||
|
kind: Deployment
|
||||||
|
apiVersion: apps/v1
|
||||||
|
metadata:
|
||||||
|
name: {{ template "redis-ha.fullname" . }}-haproxy
|
||||||
|
namespace: {{ .Release.Namespace }}
|
||||||
|
labels:
|
||||||
|
{{ include "labels.standard" . | indent 4 }}
|
||||||
|
spec:
|
||||||
|
strategy:
|
||||||
|
type: RollingUpdate
|
||||||
|
revisionHistoryLimit: 1
|
||||||
|
replicas: {{ .Values.haproxy.replicas }}
|
||||||
|
selector:
|
||||||
|
matchLabels:
|
||||||
|
app: {{ template "redis-ha.name" . }}-haproxy
|
||||||
|
release: {{ .Release.Name }}
|
||||||
|
template:
|
||||||
|
metadata:
|
||||||
|
name: {{ template "redis-ha.fullname" . }}-haproxy
|
||||||
|
labels:
|
||||||
|
app: {{ template "redis-ha.name" . }}-haproxy
|
||||||
|
release: {{ .Release.Name }}
|
||||||
|
annotations:
|
||||||
|
{{- if .Values.haproxy.metrics.enabled }}
|
||||||
|
prometheus.io/port: "{{ .Values.haproxy.metrics.port }}"
|
||||||
|
prometheus.io/scrape: "true"
|
||||||
|
prometheus.io/path: "{{ .Values.haproxy.metrics.scrapePath }}"
|
||||||
|
{{- end }}
|
||||||
|
checksum/config: {{ print (include "config-haproxy.cfg" .) (include "config-haproxy_init.sh" .) | sha256sum }}
|
||||||
|
{{- if .Values.haproxy.annotations }}
|
||||||
|
{{ toYaml .Values.haproxy.annotations | indent 8 }}
|
||||||
|
{{- end }}
|
||||||
|
spec:
|
||||||
|
# Needed when using unmodified rbac-setup.yml
|
||||||
|
{{ if .Values.haproxy.serviceAccount.create }}
|
||||||
|
serviceAccountName: {{ template "redis-ha.serviceAccountName" . }}-haproxy
|
||||||
|
{{ end }}
|
||||||
|
nodeSelector:
|
||||||
|
{{ toYaml .Values.nodeSelector | indent 8 }}
|
||||||
|
tolerations:
|
||||||
|
{{ toYaml .Values.tolerations | indent 8 }}
|
||||||
|
affinity:
|
||||||
|
{{- if .Values.haproxy.affinity }}
|
||||||
|
{{- with .Values.haproxy.affinity }}
|
||||||
|
{{ tpl . $ | indent 8 }}
|
||||||
|
{{- end }}
|
||||||
|
{{- else }}
|
||||||
|
{{- if .Values.haproxy.additionalAffinities }}
|
||||||
|
{{ toYaml .Values.haproxy.additionalAffinities | indent 8 }}
|
||||||
|
{{- end }}
|
||||||
|
podAntiAffinity:
|
||||||
|
{{- if .Values.haproxy.hardAntiAffinity }}
|
||||||
|
requiredDuringSchedulingIgnoredDuringExecution:
|
||||||
|
- labelSelector:
|
||||||
|
matchLabels:
|
||||||
|
app: {{ template "redis-ha.name" . }}-haproxy
|
||||||
|
release: {{ .Release.Name }}
|
||||||
|
topologyKey: kubernetes.io/hostname
|
||||||
|
{{- else }}
|
||||||
|
preferredDuringSchedulingIgnoredDuringExecution:
|
||||||
|
- labelSelector:
|
||||||
|
matchLabels:
|
||||||
|
app: {{ template "redis-ha.name" . }}-haproxy
|
||||||
|
release: {{ .Release.Name }}
|
||||||
|
topologyKey: kubernetes.io/hostname
|
||||||
|
{{- end }}
|
||||||
|
preferredDuringSchedulingIgnoredDuringExecution:
|
||||||
|
- weight: 100
|
||||||
|
podAffinityTerm:
|
||||||
|
labelSelector:
|
||||||
|
matchLabels:
|
||||||
|
app: {{ template "redis-ha.name" . }}-haproxy
|
||||||
|
release: {{ .Release.Name }}
|
||||||
|
topologyKey: failure-domain.beta.kubernetes.io/zone
|
||||||
|
{{- end }}
|
||||||
|
initContainers:
|
||||||
|
- name: config-init
|
||||||
|
image: {{ .Values.haproxy.image.repository }}:{{ .Values.haproxy.image.tag }}
|
||||||
|
imagePullPolicy: {{ .Values.haproxy.image.pullPolicy }}
|
||||||
|
resources:
|
||||||
|
{{ toYaml .Values.haproxy.init.resources | indent 10 }}
|
||||||
|
command:
|
||||||
|
- sh
|
||||||
|
args:
|
||||||
|
- /readonly/haproxy_init.sh
|
||||||
|
{{- if .Values.auth }}
|
||||||
|
env:
|
||||||
|
- name: AUTH
|
||||||
|
valueFrom:
|
||||||
|
secretKeyRef:
|
||||||
|
{{- if .Values.existingSecret }}
|
||||||
|
name: {{ .Values.existingSecret }}
|
||||||
|
{{- else }}
|
||||||
|
name: {{ template "redis-ha.fullname" . }}
|
||||||
|
{{- end }}
|
||||||
|
key: {{ .Values.authKey }}
|
||||||
|
{{- end }}
|
||||||
|
volumeMounts:
|
||||||
|
- name: config-volume
|
||||||
|
mountPath: /readonly
|
||||||
|
readOnly: true
|
||||||
|
- name: data
|
||||||
|
mountPath: /data
|
||||||
|
{{- if .Values.haproxy.imagePullSecrets }}
|
||||||
|
imagePullSecrets: {{ toYaml .Values.haproxy.imagePullSecrets | nindent 8 }}
|
||||||
|
{{- end }}
|
||||||
|
securityContext:
|
||||||
|
{{ toYaml .Values.haproxy.securityContext | indent 8 }}
|
||||||
|
containers:
|
||||||
|
- name: haproxy
|
||||||
|
image: {{ .Values.haproxy.image.repository }}:{{ .Values.haproxy.image.tag }}
|
||||||
|
imagePullPolicy: {{ .Values.haproxy.image.pullPolicy }}
|
||||||
|
livenessProbe:
|
||||||
|
httpGet:
|
||||||
|
path: /healthz
|
||||||
|
port: 8888
|
||||||
|
initialDelaySeconds: 5
|
||||||
|
periodSeconds: 3
|
||||||
|
ports:
|
||||||
|
- name: redis
|
||||||
|
containerPort: {{ default "6379" .Values.redis.port }}
|
||||||
|
{{- if .Values.haproxy.readOnly.enabled }}
|
||||||
|
- name: readonlyport
|
||||||
|
containerPort: {{ default "6380" .Values.haproxy.readOnly.port }}
|
||||||
|
{{- end }}
|
||||||
|
{{- if .Values.haproxy.metrics.enabled }}
|
||||||
|
- name: metrics-port
|
||||||
|
containerPort: {{ default "9101" .Values.haproxy.metrics.port }}
|
||||||
|
{{- end }}
|
||||||
|
resources:
|
||||||
|
{{ toYaml .Values.haproxy.resources | indent 10 }}
|
||||||
|
volumeMounts:
|
||||||
|
- name: data
|
||||||
|
mountPath: /usr/local/etc/haproxy
|
||||||
|
- name: shared-socket
|
||||||
|
mountPath: /run/haproxy
|
||||||
|
{{- if .Values.haproxy.priorityClassName }}
|
||||||
|
priorityClassName: {{ .Values.haproxy.priorityClassName }}
|
||||||
|
{{- end }}
|
||||||
|
volumes:
|
||||||
|
- name: config-volume
|
||||||
|
configMap:
|
||||||
|
name: {{ template "redis-ha.fullname" . }}-configmap
|
||||||
|
- name: shared-socket
|
||||||
|
emptyDir:
|
||||||
|
{{ toYaml .Values.haproxy.emptyDir | indent 10 }}
|
||||||
|
- name: data
|
||||||
|
emptyDir:
|
||||||
|
{{ toYaml .Values.haproxy.emptyDir | indent 10 }}
|
||||||
|
{{- end }}
|
||||||
|
|
@ -0,0 +1,42 @@
|
||||||
|
{{- if .Values.haproxy.enabled }}
|
||||||
|
apiVersion: v1
|
||||||
|
kind: Service
|
||||||
|
metadata:
|
||||||
|
name: {{ template "redis-ha.fullname" . }}-haproxy
|
||||||
|
namespace: {{ .Release.Namespace }}
|
||||||
|
labels:
|
||||||
|
{{ include "labels.standard" . | indent 4 }}
|
||||||
|
component: {{ template "redis-ha.fullname" . }}-haproxy
|
||||||
|
annotations:
|
||||||
|
{{- if .Values.haproxy.service.annotations }}
|
||||||
|
{{ toYaml .Values.haproxy.service.annotations | indent 4 }}
|
||||||
|
{{- end }}
|
||||||
|
spec:
|
||||||
|
type: {{ default "ClusterIP" .Values.haproxy.service.type }}
|
||||||
|
{{- if and (eq .Values.haproxy.service.type "LoadBalancer") .Values.haproxy.service.loadBalancerIP }}
|
||||||
|
loadBalancerIP: {{ .Values.haproxy.service.loadBalancerIP }}
|
||||||
|
{{- end }}
|
||||||
|
ports:
|
||||||
|
- name: haproxy
|
||||||
|
port: {{ .Values.redis.port }}
|
||||||
|
protocol: TCP
|
||||||
|
targetPort: redis
|
||||||
|
{{- if and (eq .Values.haproxy.service.type "NodePort") .Values.haproxy.service.nodePort }}
|
||||||
|
nodePort: {{ .Values.haproxy.service.nodePort }}
|
||||||
|
{{- end }}
|
||||||
|
{{- if .Values.haproxy.readOnly.enabled }}
|
||||||
|
- name: haproxyreadonly
|
||||||
|
port: {{ .Values.haproxy.readOnly.port }}
|
||||||
|
protocol: TCP
|
||||||
|
targetPort: {{ .Values.haproxy.readOnly.port }}
|
||||||
|
{{- end }}
|
||||||
|
{{- if .Values.haproxy.metrics.enabled }}
|
||||||
|
- name: {{ .Values.haproxy.metrics.portName }}
|
||||||
|
port: {{ .Values.haproxy.metrics.port }}
|
||||||
|
protocol: TCP
|
||||||
|
targetPort: metrics-port
|
||||||
|
{{- end }}
|
||||||
|
selector:
|
||||||
|
release: {{ .Release.Name }}
|
||||||
|
app: {{ template "redis-ha.name" . }}-haproxy
|
||||||
|
{{- end }}
|
||||||
|
|
@ -0,0 +1,12 @@
|
||||||
|
{{- if and .Values.haproxy.serviceAccount.create .Values.haproxy.enabled }}
|
||||||
|
apiVersion: v1
|
||||||
|
kind: ServiceAccount
|
||||||
|
metadata:
|
||||||
|
name: {{ template "redis-ha.serviceAccountName" . }}-haproxy
|
||||||
|
namespace: {{ .Release.Namespace }}
|
||||||
|
labels:
|
||||||
|
heritage: {{ .Release.Service }}
|
||||||
|
release: {{ .Release.Name }}
|
||||||
|
chart: {{ .Chart.Name }}-{{ .Chart.Version }}
|
||||||
|
app: {{ template "redis-ha.fullname" . }}
|
||||||
|
{{- end }}
|
||||||
|
|
@ -0,0 +1,34 @@
|
||||||
|
{{- if and ( .Capabilities.APIVersions.Has "monitoring.coreos.com/v1" ) ( .Values.haproxy.metrics.serviceMonitor.enabled ) ( .Values.haproxy.metrics.enabled ) }}
|
||||||
|
apiVersion: monitoring.coreos.com/v1
|
||||||
|
kind: ServiceMonitor
|
||||||
|
metadata:
|
||||||
|
{{- with .Values.haproxy.metrics.serviceMonitor.labels }}
|
||||||
|
labels: {{ toYaml . | nindent 4}}
|
||||||
|
{{- end }}
|
||||||
|
name: {{ template "redis-ha.fullname" . }}-haproxy
|
||||||
|
namespace: {{ .Release.Namespace }}
|
||||||
|
{{- if .Values.haproxy.metrics.serviceMonitor.namespace }}
|
||||||
|
namespace: {{ .Values.haproxy.metrics.serviceMonitor.namespace }}
|
||||||
|
{{- end }}
|
||||||
|
spec:
|
||||||
|
endpoints:
|
||||||
|
- targetPort: {{ .Values.haproxy.metrics.port }}
|
||||||
|
{{- if .Values.haproxy.metrics.serviceMonitor.interval }}
|
||||||
|
interval: {{ .Values.haproxy.metrics.serviceMonitor.interval }}
|
||||||
|
{{- end }}
|
||||||
|
{{- if .Values.haproxy.metrics.serviceMonitor.telemetryPath }}
|
||||||
|
path: {{ .Values.haproxy.metrics.serviceMonitor.telemetryPath }}
|
||||||
|
{{- end }}
|
||||||
|
{{- if .Values.haproxy.metrics.serviceMonitor.timeout }}
|
||||||
|
scrapeTimeout: {{ .Values.haproxy.metrics.serviceMonitor.timeout }}
|
||||||
|
{{- end }}
|
||||||
|
jobLabel: {{ template "redis-ha.fullname" . }}-haproxy
|
||||||
|
namespaceSelector:
|
||||||
|
matchNames:
|
||||||
|
- {{ .Release.Namespace }}
|
||||||
|
selector:
|
||||||
|
matchLabels:
|
||||||
|
app: {{ template "redis-ha.name" . }}
|
||||||
|
release: {{ .Release.Name }}
|
||||||
|
component: {{ template "redis-ha.fullname" . }}-haproxy
|
||||||
|
{{- end }}
|
||||||
|
|
@ -17,20 +17,11 @@ spec:
|
||||||
- name: config
|
- name: config
|
||||||
mountPath: /readonly-config
|
mountPath: /readonly-config
|
||||||
readOnly: true
|
readOnly: true
|
||||||
- name: check-probes
|
{{- if .Values.imagePullSecrets }}
|
||||||
image: koalaman/shellcheck:v0.5.0
|
imagePullSecrets: {{ toYaml .Values.imagePullSecrets | nindent 4 }}
|
||||||
args:
|
{{- end }}
|
||||||
- --shell=sh
|
restartPolicy: Never
|
||||||
- /probes/check-quorum.sh
|
|
||||||
volumeMounts:
|
|
||||||
- name: probes
|
|
||||||
mountPath: /probes
|
|
||||||
readOnly: true
|
|
||||||
volumes:
|
volumes:
|
||||||
- name: config
|
- name: config
|
||||||
configMap:
|
configMap:
|
||||||
name: {{ template "redis-ha.fullname" . }}-configmap
|
name: {{ template "redis-ha.fullname" . }}-configmap
|
||||||
- name: probes
|
|
||||||
configMap:
|
|
||||||
name: {{ template "redis-ha.fullname" . }}-probes
|
|
||||||
restartPolicy: Never
|
|
||||||
|
|
|
||||||
|
|
@ -14,4 +14,7 @@ spec:
|
||||||
- sh
|
- sh
|
||||||
- -c
|
- -c
|
||||||
- redis-cli -h {{ template "redis-ha.fullname" . }} -p {{ .Values.redis.port }} info server
|
- redis-cli -h {{ template "redis-ha.fullname" . }} -p {{ .Values.redis.port }} info server
|
||||||
|
{{- if .Values.imagePullSecrets }}
|
||||||
|
imagePullSecrets: {{ toYaml .Values.imagePullSecrets | nindent 4 }}
|
||||||
|
{{- end }}
|
||||||
restartPolicy: Never
|
restartPolicy: Never
|
||||||
|
|
@ -3,20 +3,155 @@
|
||||||
##
|
##
|
||||||
image:
|
image:
|
||||||
repository: redis
|
repository: redis
|
||||||
tag: 5.0.3-alpine
|
tag: 5.0.6-alpine
|
||||||
pullPolicy: IfNotPresent
|
pullPolicy: IfNotPresent
|
||||||
|
|
||||||
|
## Reference to one or more secrets to be used when pulling images
|
||||||
|
## ref: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
|
||||||
|
## This imagePullSecrets is only for redis images
|
||||||
|
##
|
||||||
|
imagePullSecrets: []
|
||||||
|
# - name: "image-pull-secret"
|
||||||
|
|
||||||
## replicas number for each component
|
## replicas number for each component
|
||||||
replicas: 3
|
replicas: 3
|
||||||
|
|
||||||
|
## Kubernetes priorityClass name for the redis-ha-server pod
|
||||||
|
# priorityClassName: ""
|
||||||
|
|
||||||
|
## Custom labels for the redis pod
|
||||||
|
labels: {}
|
||||||
|
|
||||||
|
## Pods Service Account
|
||||||
|
## ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-service-account/
|
||||||
|
serviceAccount:
|
||||||
|
## Specifies whether a ServiceAccount should be created
|
||||||
|
##
|
||||||
|
create: true
|
||||||
|
## The name of the ServiceAccount to use.
|
||||||
|
## If not set and create is true, a name is generated using the redis-ha.fullname template
|
||||||
|
# name:
|
||||||
|
|
||||||
|
## Enables a HA Proxy for better LoadBalancing / Sentinel Master support. Automatically proxies to Redis master.
|
||||||
|
## Recommend for externally exposed Redis clusters.
|
||||||
|
## ref: https://cbonte.github.io/haproxy-dconv/1.9/intro.html
|
||||||
|
haproxy:
|
||||||
|
enabled: false
|
||||||
|
# Enable if you want a dedicated port in haproxy for redis-slaves
|
||||||
|
readOnly:
|
||||||
|
enabled: false
|
||||||
|
port: 6380
|
||||||
|
replicas: 3
|
||||||
|
image:
|
||||||
|
repository: haproxy
|
||||||
|
tag: 2.0.4
|
||||||
|
pullPolicy: IfNotPresent
|
||||||
|
|
||||||
|
## Reference to one or more secrets to be used when pulling images
|
||||||
|
## ref: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
|
||||||
|
##
|
||||||
|
imagePullSecrets: []
|
||||||
|
# - name: "image-pull-secret"
|
||||||
|
|
||||||
|
annotations: {}
|
||||||
|
resources: {}
|
||||||
|
emptyDir: {}
|
||||||
|
## Enable sticky sessions to Redis nodes via HAProxy
|
||||||
|
## Very useful for long-living connections as in case of Sentry for example
|
||||||
|
stickyBalancing: false
|
||||||
|
## Kubernetes priorityClass name for the haproxy pod
|
||||||
|
# priorityClassName: ""
|
||||||
|
## Service type for HAProxy
|
||||||
|
##
|
||||||
|
service:
|
||||||
|
type: ClusterIP
|
||||||
|
loadBalancerIP:
|
||||||
|
annotations: {}
|
||||||
|
serviceAccount:
|
||||||
|
create: true
|
||||||
|
## Official HAProxy embedded prometheus metrics settings.
|
||||||
|
## Ref: https://github.com/haproxy/haproxy/tree/master/contrib/prometheus-exporter
|
||||||
|
##
|
||||||
|
metrics:
|
||||||
|
enabled: false
|
||||||
|
# prometheus port & scrape path
|
||||||
|
port: 9101
|
||||||
|
portName: exporter-port
|
||||||
|
scrapePath: /metrics
|
||||||
|
|
||||||
|
serviceMonitor:
|
||||||
|
# When set true then use a ServiceMonitor to configure scraping
|
||||||
|
enabled: false
|
||||||
|
# Set the namespace the ServiceMonitor should be deployed
|
||||||
|
# namespace: monitoring
|
||||||
|
# Set how frequently Prometheus should scrape
|
||||||
|
# interval: 30s
|
||||||
|
# Set path to redis-exporter telemtery-path
|
||||||
|
# telemetryPath: /metrics
|
||||||
|
# Set labels for the ServiceMonitor, use this to define your scrape label for Prometheus Operator
|
||||||
|
# labels: {}
|
||||||
|
# Set timeout for scrape
|
||||||
|
# timeout: 10s
|
||||||
|
init:
|
||||||
|
resources: {}
|
||||||
|
timeout:
|
||||||
|
connect: 4s
|
||||||
|
server: 30s
|
||||||
|
client: 30s
|
||||||
|
check: 2s
|
||||||
|
securityContext:
|
||||||
|
runAsUser: 1000
|
||||||
|
fsGroup: 1000
|
||||||
|
runAsNonRoot: true
|
||||||
|
|
||||||
|
## Whether the haproxy pods should be forced to run on separate nodes.
|
||||||
|
hardAntiAffinity: true
|
||||||
|
|
||||||
|
## Additional affinities to add to the haproxy pods.
|
||||||
|
additionalAffinities: {}
|
||||||
|
|
||||||
|
## Override all other affinity settings for the haproxy pods with a string.
|
||||||
|
affinity: |
|
||||||
|
|
||||||
|
## Custom config-haproxy.cfg files used to override default settings. If this file is
|
||||||
|
## specified then the config-haproxy.cfg above will be ignored.
|
||||||
|
# customConfig: |-
|
||||||
|
# Define configuration here
|
||||||
|
## Place any additional configuration section to add to the default config-haproxy.cfg
|
||||||
|
# extraConfig: |-
|
||||||
|
# Define configuration here
|
||||||
|
|
||||||
|
|
||||||
|
## Role Based Access
|
||||||
|
## Ref: https://kubernetes.io/docs/admin/authorization/rbac/
|
||||||
|
##
|
||||||
|
rbac:
|
||||||
|
create: true
|
||||||
|
|
||||||
|
sysctlImage:
|
||||||
|
enabled: false
|
||||||
|
command: []
|
||||||
|
registry: docker.io
|
||||||
|
repository: busybox
|
||||||
|
tag: 1.31.1
|
||||||
|
pullPolicy: Always
|
||||||
|
mountHostSys: false
|
||||||
|
resources: {}
|
||||||
|
|
||||||
|
## Use an alternate scheduler, e.g. "stork".
|
||||||
|
## ref: https://kubernetes.io/docs/tasks/administer-cluster/configure-multiple-schedulers/
|
||||||
|
##
|
||||||
|
# schedulerName:
|
||||||
|
|
||||||
## Redis specific configuration options
|
## Redis specific configuration options
|
||||||
redis:
|
redis:
|
||||||
port: 6379
|
port: 6379
|
||||||
masterGroupName: mymaster
|
masterGroupName: "mymaster" # must match ^[\\w-\\.]+$) and can be templated
|
||||||
config:
|
config:
|
||||||
## Additional redis conf options can be added below
|
## Additional redis conf options can be added below
|
||||||
## For all available options see http://download.redis.io/redis-stable/redis.conf
|
## For all available options see http://download.redis.io/redis-stable/redis.conf
|
||||||
min-slaves-to-write: 1
|
min-replicas-to-write: 1
|
||||||
min-slaves-max-lag: 5 # Value in seconds
|
min-replicas-max-lag: 5 # Value in seconds
|
||||||
maxmemory: "0" # Max memory to use for each redis instance. Default is unlimited.
|
maxmemory: "0" # Max memory to use for each redis instance. Default is unlimited.
|
||||||
maxmemory-policy: "volatile-lru" # Max memory policy to use for each redis instance. Default is volatile-lru.
|
maxmemory-policy: "volatile-lru" # Max memory policy to use for each redis instance. Default is volatile-lru.
|
||||||
# Determines if scheduled RDB backups are created. Default is false.
|
# Determines if scheduled RDB backups are created. Default is false.
|
||||||
|
|
@ -27,6 +162,7 @@ redis:
|
||||||
rdbcompression: "yes"
|
rdbcompression: "yes"
|
||||||
rdbchecksum: "yes"
|
rdbchecksum: "yes"
|
||||||
|
|
||||||
|
|
||||||
## Custom redis.conf files used to override default settings. If this file is
|
## Custom redis.conf files used to override default settings. If this file is
|
||||||
## specified then the redis.config above will be ignored.
|
## specified then the redis.config above will be ignored.
|
||||||
# customConfig: |-
|
# customConfig: |-
|
||||||
|
|
@ -46,12 +182,13 @@ sentinel:
|
||||||
config:
|
config:
|
||||||
## Additional sentinel conf options can be added below. Only options that
|
## Additional sentinel conf options can be added below. Only options that
|
||||||
## are expressed in the format simialar to 'sentinel xxx mymaster xxx' will
|
## are expressed in the format simialar to 'sentinel xxx mymaster xxx' will
|
||||||
## be properly templated.
|
## be properly templated expect maxclients option.
|
||||||
## For available options see http://download.redis.io/redis-stable/sentinel.conf
|
## For available options see http://download.redis.io/redis-stable/sentinel.conf
|
||||||
down-after-milliseconds: 10000
|
down-after-milliseconds: 10000
|
||||||
## Failover timeout value in milliseconds
|
## Failover timeout value in milliseconds
|
||||||
failover-timeout: 180000
|
failover-timeout: 180000
|
||||||
parallel-syncs: 5
|
parallel-syncs: 5
|
||||||
|
maxclients: 10000
|
||||||
|
|
||||||
## Custom sentinel.conf files used to override default settings. If this file is
|
## Custom sentinel.conf files used to override default settings. If this file is
|
||||||
## specified then the sentinel.config above will be ignored.
|
## specified then the sentinel.config above will be ignored.
|
||||||
|
|
@ -74,22 +211,108 @@ securityContext:
|
||||||
## ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector
|
## ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector
|
||||||
## ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#taints-and-tolerations-beta-feature
|
## ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#taints-and-tolerations-beta-feature
|
||||||
## ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
|
## ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
|
||||||
|
nodeSelector: {}
|
||||||
|
|
||||||
|
## Whether the Redis server pods should be forced to run on separate nodes.
|
||||||
|
## This is accomplished by setting their AntiAffinity with requiredDuringSchedulingIgnoredDuringExecution as opposed to preferred.
|
||||||
|
## Ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#inter-pod-affinity-and-anti-affinity-beta-feature
|
||||||
|
##
|
||||||
|
hardAntiAffinity: true
|
||||||
|
|
||||||
|
## Additional affinities to add to the Redis server pods.
|
||||||
|
##
|
||||||
|
## Example:
|
||||||
|
## nodeAffinity:
|
||||||
|
## preferredDuringSchedulingIgnoredDuringExecution:
|
||||||
|
## - weight: 50
|
||||||
|
## preference:
|
||||||
|
## matchExpressions:
|
||||||
|
## - key: spot
|
||||||
|
## operator: NotIn
|
||||||
|
## values:
|
||||||
|
## - "true"
|
||||||
|
##
|
||||||
|
## Ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
|
||||||
|
##
|
||||||
|
additionalAffinities: {}
|
||||||
|
|
||||||
|
## Override all other affinity settings for the Redis server pods with a string.
|
||||||
|
##
|
||||||
|
## Example:
|
||||||
|
## affinity: |
|
||||||
|
## podAntiAffinity:
|
||||||
|
## requiredDuringSchedulingIgnoredDuringExecution:
|
||||||
|
## - labelSelector:
|
||||||
|
## matchLabels:
|
||||||
|
## app: {{ template "redis-ha.name" . }}
|
||||||
|
## release: {{ .Release.Name }}
|
||||||
|
## topologyKey: kubernetes.io/hostname
|
||||||
|
## preferredDuringSchedulingIgnoredDuringExecution:
|
||||||
|
## - weight: 100
|
||||||
|
## podAffinityTerm:
|
||||||
|
## labelSelector:
|
||||||
|
## matchLabels:
|
||||||
|
## app: {{ template "redis-ha.name" . }}
|
||||||
|
## release: {{ .Release.Name }}
|
||||||
|
## topologyKey: failure-domain.beta.kubernetes.io/zone
|
||||||
|
##
|
||||||
affinity: |
|
affinity: |
|
||||||
podAntiAffinity:
|
|
||||||
requiredDuringSchedulingIgnoredDuringExecution:
|
# Prometheus exporter specific configuration options
|
||||||
- labelSelector:
|
exporter:
|
||||||
matchLabels:
|
enabled: false
|
||||||
app: {{ template "redis-ha.name" . }}
|
image: oliver006/redis_exporter
|
||||||
release: {{ .Release.Name }}
|
tag: v1.3.2
|
||||||
topologyKey: kubernetes.io/hostname
|
pullPolicy: IfNotPresent
|
||||||
preferredDuringSchedulingIgnoredDuringExecution:
|
|
||||||
- weight: 100
|
# prometheus port & scrape path
|
||||||
podAffinityTerm:
|
port: 9121
|
||||||
labelSelector:
|
scrapePath: /metrics
|
||||||
matchLabels:
|
|
||||||
app: {{ template "redis-ha.name" . }}
|
# cpu/memory resource limits/requests
|
||||||
release: {{ .Release.Name }}
|
resources: {}
|
||||||
topologyKey: failure-domain.beta.kubernetes.io/zone
|
|
||||||
|
# Additional args for redis exporter
|
||||||
|
extraArgs: {}
|
||||||
|
|
||||||
|
# Used to mount a LUA-Script via config map and use it for metrics-collection
|
||||||
|
# script: |
|
||||||
|
# -- Example script copied from: https://github.com/oliver006/redis_exporter/blob/master/contrib/sample_collect_script.lua
|
||||||
|
# -- Example collect script for -script option
|
||||||
|
# -- This returns a Lua table with alternating keys and values.
|
||||||
|
# -- Both keys and values must be strings, similar to a HGETALL result.
|
||||||
|
# -- More info about Redis Lua scripting: https://redis.io/commands/eval
|
||||||
|
#
|
||||||
|
# local result = {}
|
||||||
|
#
|
||||||
|
# -- Add all keys and values from some hash in db 5
|
||||||
|
# redis.call("SELECT", 5)
|
||||||
|
# local r = redis.call("HGETALL", "some-hash-with-stats")
|
||||||
|
# if r ~= nil then
|
||||||
|
# for _,v in ipairs(r) do
|
||||||
|
# table.insert(result, v) -- alternating keys and values
|
||||||
|
# end
|
||||||
|
# end
|
||||||
|
#
|
||||||
|
# -- Set foo to 42
|
||||||
|
# table.insert(result, "foo")
|
||||||
|
# table.insert(result, "42") -- note the string, use tostring() if needed
|
||||||
|
#
|
||||||
|
# return result
|
||||||
|
|
||||||
|
serviceMonitor:
|
||||||
|
# When set true then use a ServiceMonitor to configure scraping
|
||||||
|
enabled: false
|
||||||
|
# Set the namespace the ServiceMonitor should be deployed
|
||||||
|
# namespace: monitoring
|
||||||
|
# Set how frequently Prometheus should scrape
|
||||||
|
# interval: 30s
|
||||||
|
# Set path to redis-exporter telemtery-path
|
||||||
|
# telemetryPath: /metrics
|
||||||
|
# Set labels for the ServiceMonitor, use this to define your scrape label for Prometheus Operator
|
||||||
|
# labels: {}
|
||||||
|
# Set timeout for scrape
|
||||||
|
# timeout: 10s
|
||||||
|
|
||||||
podDisruptionBudget: {}
|
podDisruptionBudget: {}
|
||||||
# maxUnavailable: 1
|
# maxUnavailable: 1
|
||||||
|
|
@ -99,9 +322,12 @@ podDisruptionBudget: {}
|
||||||
auth: false
|
auth: false
|
||||||
# redisPassword:
|
# redisPassword:
|
||||||
|
|
||||||
## Use existing secret containing "auth" key (ignores redisPassword)
|
## Use existing secret containing key `authKey` (ignores redisPassword)
|
||||||
# existingSecret:
|
# existingSecret:
|
||||||
|
|
||||||
|
## Defines the key holding the redis password in existing secret.
|
||||||
|
authKey: auth
|
||||||
|
|
||||||
persistentVolume:
|
persistentVolume:
|
||||||
enabled: true
|
enabled: true
|
||||||
## redis-ha data Persistent Volume Storage Class
|
## redis-ha data Persistent Volume Storage Class
|
||||||
|
|
@ -116,5 +342,21 @@ persistentVolume:
|
||||||
- ReadWriteOnce
|
- ReadWriteOnce
|
||||||
size: 10Gi
|
size: 10Gi
|
||||||
annotations: {}
|
annotations: {}
|
||||||
|
# reclaimPolicy per https://kubernetes.io/docs/concepts/storage/persistent-volumes/#reclaiming
|
||||||
|
reclaimPolicy: ""
|
||||||
init:
|
init:
|
||||||
resources: {}
|
resources: {}
|
||||||
|
|
||||||
|
# To use a hostPath for data, set persistentVolume.enabled to false
|
||||||
|
# and define hostPath.path.
|
||||||
|
# Warning: this might overwrite existing folders on the host system!
|
||||||
|
hostPath:
|
||||||
|
## path is evaluated as template so placeholders are replaced
|
||||||
|
# path: "/data/{{ .Release.Name }}"
|
||||||
|
|
||||||
|
# if chown is true, an init-container with root permissions is launched to
|
||||||
|
# change the owner of the hostPath folder to the user defined in the
|
||||||
|
# security context
|
||||||
|
chown: true
|
||||||
|
|
||||||
|
emptyDir: {}
|
||||||
|
|
|
||||||
|
|
@ -0,0 +1,11 @@
|
||||||
|
#!/bin/sh
|
||||||
|
set -x
|
||||||
|
|
||||||
|
ROOT=$(cd `dirname $0`; pwd)
|
||||||
|
cd $ROOT
|
||||||
|
|
||||||
|
helm install redis \
|
||||||
|
--create-namespace \
|
||||||
|
--namespace dependency \
|
||||||
|
-f ./values.yaml \
|
||||||
|
./redis-ha
|
||||||
|
|
@ -0,0 +1,49 @@
|
||||||
|
image:
|
||||||
|
repository: redis
|
||||||
|
tag: 5.0.6-alpine
|
||||||
|
|
||||||
|
replicas: 2
|
||||||
|
|
||||||
|
## Redis specific configuration options
|
||||||
|
redis:
|
||||||
|
port: 6379
|
||||||
|
masterGroupName: "mymaster" # must match ^[\\w-\\.]+$) and can be templated
|
||||||
|
config:
|
||||||
|
## For all available options see http://download.redis.io/redis-stable/redis.conf
|
||||||
|
min-replicas-to-write: 1
|
||||||
|
min-replicas-max-lag: 5 # Value in seconds
|
||||||
|
maxmemory: "4g" # Max memory to use for each redis instance. Default is unlimited.
|
||||||
|
maxmemory-policy: "allkeys-lru" # Max memory policy to use for each redis instance. Default is volatile-lru.
|
||||||
|
repl-diskless-sync: "yes"
|
||||||
|
rdbcompression: "yes"
|
||||||
|
rdbchecksum: "yes"
|
||||||
|
|
||||||
|
resources:
|
||||||
|
requests:
|
||||||
|
memory: 200Mi
|
||||||
|
cpu: 100m
|
||||||
|
limits:
|
||||||
|
memory: 4000Mi
|
||||||
|
|
||||||
|
## Sentinel specific configuration options
|
||||||
|
sentinel:
|
||||||
|
port: 26379
|
||||||
|
quorum: 1
|
||||||
|
|
||||||
|
resources:
|
||||||
|
requests:
|
||||||
|
memory: 200Mi
|
||||||
|
cpu: 100m
|
||||||
|
limits:
|
||||||
|
memory: 200Mi
|
||||||
|
|
||||||
|
hardAntiAffinity: true
|
||||||
|
|
||||||
|
## Configures redis with AUTH (requirepass & masterauth conf params)
|
||||||
|
auth: false
|
||||||
|
|
||||||
|
persistentVolume:
|
||||||
|
enabled: false
|
||||||
|
|
||||||
|
hostPath:
|
||||||
|
path: "/data/mcs-redis/{{ .Release.Name }}"
|
||||||
|
|
@ -15,7 +15,7 @@ set -o errexit
|
||||||
|
|
||||||
# default version, can be overridden by cmd line options
|
# default version, can be overridden by cmd line options
|
||||||
export DOCKER_VER=19.03.8
|
export DOCKER_VER=19.03.8
|
||||||
export KUBEASZ_VER=2.2.0
|
export KUBEASZ_VER=2.2.1
|
||||||
export K8S_BIN_VER=v1.18.3
|
export K8S_BIN_VER=v1.18.3
|
||||||
export EXT_BIN_VER=0.5.2
|
export EXT_BIN_VER=0.5.2
|
||||||
export SYS_PKG_VER=0.3.3
|
export SYS_PKG_VER=0.3.3
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue