mirror of https://github.com/easzlab/kubeasz.git
fix: '/usr/bin/python' is not existed in some OS
parent
16b98e41ff
commit
b006dcff20
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@ -20,9 +20,21 @@ $ ETCDCTL_API=3 etcdctl --write-out=table snapshot status backup.db
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## etcd 集群节点操作
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首先确认配置 ssh 免密码登录,然后执行 (假设待操作节点为 192.168.1.11,集群名称test-k8s):
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执行如下 (假设待操作节点为 192.168.1.11,集群名称test-k8s):
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- 增加 etcd 节点:
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``` bash
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# ssh 免密码登录
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$ ssh-copy-id 192.168.1.11
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# 部分操作系统需要配置python软链接
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$ ssh 192.168.1.11 ln -s /usr/bin/python3 /usr/bin/python
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# 新增节点
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$ ezctl add-etcd test-k8s 192.168.1.11
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```
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- 增加 etcd 节点:`$ ezctl add-etcd test-k8s 192.168.1.11`
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- 删除 etcd 节点:`$ ezctl del-etcd test-k8s 192.168.1.11`
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具体操作流程参考 ezctl中 add-etcd/del-etcd 相关函数和playbooks/ 目录的操作剧本
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@ -5,7 +5,7 @@
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新增`kube_master`节点大致流程为:(参考ezctl 中add-master函数和playbooks/23.addmaster.yml)
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- [可选]新节点安装 chrony 时间同步
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- 新节点预处理 prepare
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- 新节点安装 docker 服务
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- 新节点安装 container runtime
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- 新节点安装 kube_master 服务
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- 新节点安装 kube_node 服务
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- 新节点安装网络插件相关
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@ -14,9 +14,16 @@
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### 操作步骤
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首先配置 ssh 免密码登录新增节点,然后执行 (假设待增加节点为 192.168.1.11, 集群名称test-k8s):
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执行如下 (假设待增加节点为 192.168.1.11, 集群名称test-k8s):
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``` bash
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# ssh 免密码登录
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$ ssh-copy-id 192.168.1.11
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# 部分操作系统需要配置python软链接
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$ ssh 192.168.1.11 ln -s /usr/bin/python3 /usr/bin/python
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# 新增节点
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$ ezctl add-master test-k8s 192.168.1.11
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```
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@ -10,15 +10,22 @@
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新增`kube_node`节点大致流程为:(参考ezctl 里面add-node函数 和 playbooks/22.addnode.yml)
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- [可选]新节点安装 chrony 时间同步
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- 新节点预处理 prepare
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- 新节点安装 docker 服务
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- 新节点安装 container runtime
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- 新节点安装 kube_node 服务
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- 新节点安装网络插件相关
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### 操作步骤
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首先配置 ssh 免密码登录新增节点,然后执行 (假设待增加节点为 192.168.1.11,k8s集群名为 test-k8s):
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执行如下 (假设待增加节点为 192.168.1.11,k8s集群名为 test-k8s):
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``` bash
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# ssh 免密码登录
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$ ssh-copy-id 192.168.1.11
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# 部分操作系统需要配置python软链接
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$ ssh 192.168.1.11 ln -s /usr/bin/python3 /usr/bin/python
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# 新增节点
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$ ezctl add-node test-k8s 192.168.1.11
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```
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@ -36,9 +43,11 @@ $ kubectl get pod -n kube-system
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## 2.增加非标准ssh端口节点
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假设待添加节点192.168.2.1,ssh 端口 10022;配置免密登录 ssh-copy-id -p 10022 192.168.2.1,按提示输入密码,然后执行
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假设待添加节点192.168.2.1,ssh 端口 10022;然后执行
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``` bash
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$ ssh-copy-id -p 10022 192.168.2.1
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$ ssh -p10022 192.168.2.1 ln -s /usr/bin/python3 /usr/bin/python
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$ ezctl add-node test-k8s 192.168.2.1 ansible_ssh_port=10022
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```
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9
ezctl
9
ezctl
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@ -317,6 +317,9 @@ function add-node() {
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# check if the new node already exsited
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sed -n '/^\[kube_master/,/^\[harbor/p' "$BASE/clusters/$1/hosts"|grep -E "^$2$|^$2 " && { logger error "node $2 already existed in $BASE/clusters/$1/hosts"; return 2; }
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# add '/usr/bin/python' soft link, needed in some OS (ubuntu 16.04+)
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[[ ! -e /usr/bin/python && -e /usr/bin/python3 ]] && ssh "$2" ln -s /usr/bin/python3 /usr/bin/python
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logger info "add $2 into 'kube_node' group"
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NODE_INFO="${@:2}"
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sed -i "/\[kube_node/a $NODE_INFO" "$BASE/clusters/$1/hosts"
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@ -332,6 +335,9 @@ function add-master() {
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# check if the new master already exsited
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sed -n '/^\[kube_master/,/^\[kube_node/p' "$BASE/clusters/$1/hosts"|grep -E "^$2$|^$2 " && { logger error "master $2 already existed!"; return 2; }
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# add '/usr/bin/python' soft link, needed in some OS (ubuntu 16.04+)
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[[ ! -e /usr/bin/python && -e /usr/bin/python3 ]] && ssh "$2" ln -s /usr/bin/python3 /usr/bin/python
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logger info "add $2 into 'kube_master' group"
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MASTER_INFO="${@:2}"
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sed -i "/\[kube_master/a $MASTER_INFO" "$BASE/clusters/$1/hosts"
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@ -353,6 +359,9 @@ function add-etcd() {
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# check if the new node already exsited
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sed -n '/^\[etcd/,/^\[kube_master/p' "$BASE/clusters/$1/hosts"|grep -E "^$2$|^$2 " && { logger error "etcd $2 already existed!"; return 2; }
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# add '/usr/bin/python' soft link, needed in some OS (ubuntu 16.04+)
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[[ ! -e /usr/bin/python && -e /usr/bin/python3 ]] && ssh "$2" ln -s /usr/bin/python3 /usr/bin/python
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logger info "add $2 into 'etcd' group"
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ETCD_INFO="${@:2}"
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sed -i "/\[etcd/a $ETCD_INFO" "$BASE/clusters/$1/hosts"
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@ -42,8 +42,8 @@
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template: src=prometheus/values.yaml.j2 dest={{ cluster_dir }}/yml/prom-values.yaml
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- name: helm 创建 kube-prometheus-stack {{ prom_chart_ver }}
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shell: "{{ base_dir }}/bin/helm install -n {{ prom_namespace }} prometheus \
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-f {{ cluster_dir }}/yml/prom-values.yaml \
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shell: "{{ base_dir }}/bin/helm upgrade prometheus --install \
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-n {{ prom_namespace }} -f {{ cluster_dir }}/yml/prom-values.yaml \
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{{ base_dir }}/roles/cluster-addon/files/kube-prometheus-stack-{{ prom_chart_ver }}.tgz"
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run_once: true
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connection: local
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