kubeasz/roles/kube-node/tasks/main.yml

105 lines
3.4 KiB
YAML

- name: 创建kube_node 相关目录
file: name={{ item }} state=directory
with_items:
- /var/lib/kubelet
- /var/lib/kube-proxy
- name: 下载 kubelet,kube-proxy 二进制和基础 cni plugins
copy: src={{ base_dir }}/bin/{{ item }} dest={{ bin_dir }}/{{ item }} mode=0755
with_items:
- kubectl
- kubelet
- kube-proxy
- bridge
- host-local
- loopback
tags: upgrade_k8s
##----------kubelet 配置部分--------------
# 创建 kubelet 相关证书及 kubelet.kubeconfig
- import_tasks: create-kubelet-kubeconfig.yml
- name: 准备 cni配置文件
template: src=cni-default.conf.j2 dest=/etc/cni/net.d/10-default.conf
- name: 注册变量 DNS_SVC_IP
shell: echo {{ SERVICE_CIDR }}|cut -d/ -f1|awk -F. '{print $1"."$2"."$3"."$4+2}'
register: DNS_SVC_IP
- name: 设置变量 CLUSTER_DNS_SVC_IP
set_fact: CLUSTER_DNS_SVC_IP={{ DNS_SVC_IP.stdout }}
- name: 创建kubelet的配置文件
template: src=kubelet-config.yaml.j2 dest=/var/lib/kubelet/config.yaml
tags: upgrade_k8s, restart_node
- name: 创建kubelet的systemd unit文件
template: src=kubelet.service.j2 dest=/etc/systemd/system/kubelet.service
tags: upgrade_k8s, restart_node
- name: 开机启用kubelet 服务
shell: systemctl enable kubelet
ignore_errors: true
- name: 开启kubelet 服务
shell: systemctl daemon-reload && systemctl restart kubelet
tags: upgrade_k8s, restart_node
##-------kube-proxy部分----------------
- name: 分发 kube-proxy.kubeconfig配置文件
copy: src={{ cluster_dir }}/kube-proxy.kubeconfig dest=/etc/kubernetes/kube-proxy.kubeconfig
- name: 替换 kube-proxy.kubeconfig 的 apiserver 地址
lineinfile:
dest: /etc/kubernetes/kube-proxy.kubeconfig
regexp: "^ server"
line: " server: {{ KUBE_APISERVER }}"
- name: 创建kube-proxy 配置
template: src=kube-proxy-config.yaml.j2 dest=/var/lib/kube-proxy/kube-proxy-config.yaml
tags: reload-kube-proxy, restart_node, upgrade_k8s
- name: 创建kube-proxy 服务文件
template: src=kube-proxy.service.j2 dest=/etc/systemd/system/kube-proxy.service
tags: reload-kube-proxy, restart_node, upgrade_k8s
- name: 开机启用kube-proxy 服务
shell: systemctl enable kube-proxy
ignore_errors: true
- name: 开启kube-proxy 服务
shell: systemctl daemon-reload && systemctl restart kube-proxy
tags: reload-kube-proxy, upgrade_k8s, restart_node
# 轮询等待kube-proxy启动完成
- name: 轮询等待kube-proxy启动
shell: "systemctl is-active kube-proxy.service"
register: kubeproxy_status
until: '"active" in kubeproxy_status.stdout'
retries: 4
delay: 2
tags: reload-kube-proxy, upgrade_k8s, restart_node
# 轮询等待kubelet启动完成
- name: 轮询等待kubelet启动
shell: "systemctl is-active kubelet.service"
register: kubelet_status
until: '"active" in kubelet_status.stdout'
retries: 4
delay: 2
tags: reload-kube-proxy, upgrade_k8s, restart_node
- name: 轮询等待node达到Ready状态
shell: "{{ base_dir }}/bin/kubectl get node {{ inventory_hostname }}|awk 'NR>1{print $2}'"
register: node_status
until: node_status.stdout == "Ready" or node_status.stdout == "Ready,SchedulingDisabled"
retries: 8
delay: 8
tags: upgrade_k8s, restart_node
connection: local
- name: 设置node节点role
shell: "{{ base_dir }}/bin/kubectl label node {{ inventory_hostname }} kubernetes.io/role=node --overwrite"
ignore_errors: true
connection: local