mirror of https://github.com/easzlab/kubeasz.git
143 lines
4.8 KiB
YAML
143 lines
4.8 KiB
YAML
- name: 创建kube_node 相关目录
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file: name={{ item }} state=directory
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with_items:
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- /var/lib/kubelet
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- /var/lib/kube-proxy
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- /etc/cni/net.d
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- name: 下载 kubelet,kube-proxy 二进制和基础 cni plugins
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copy: src={{ base_dir }}/bin/{{ item }} dest={{ bin_dir }}/{{ item }} mode=0755
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with_items:
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- kubectl
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- kubelet
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- kube-proxy
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- bridge
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- host-local
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- loopback
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tags: upgrade_k8s
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- name: 替换 kubeconfig 的 apiserver 地址
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lineinfile:
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dest: /root/.kube/config
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regexp: "^ server"
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line: " server: {{ KUBE_APISERVER }}"
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##----------kubelet 配置部分--------------
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# 创建 kubelet 相关证书及 kubelet.kubeconfig
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- import_tasks: create-kubelet-kubeconfig.yml
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- name: 准备 cni配置文件
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template: src=cni-default.conf.j2 dest=/etc/cni/net.d/10-default.conf
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- name: 注册变量 DNS_SVC_IP
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shell: echo {{ SERVICE_CIDR }}|cut -d/ -f1|awk -F. '{print $1"."$2"."$3"."$4+2}'
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register: DNS_SVC_IP
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- name: 设置变量 CLUSTER_DNS_SVC_IP
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set_fact: CLUSTER_DNS_SVC_IP={{ DNS_SVC_IP.stdout }}
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- block:
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- name: 获取docker版本信息
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shell: "{{ base_dir }}/bin/dockerd --version|cut -d' ' -f3"
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register: docker_ver
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- name: 转换docker版本信息为浮点数
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set_fact:
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DOCKER_VER: "{{ docker_ver.stdout.split('.')[0]|int + docker_ver.stdout.split('.')[1]|int/100 }}"
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connection: local
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run_once: true
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tags: upgrade_k8s, restart_node
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when: "CONTAINER_RUNTIME == 'docker'"
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- name: 创建kubelet的配置文件
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template: src=kubelet-config.yaml.j2 dest=/var/lib/kubelet/config.yaml
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tags: upgrade_k8s, restart_node
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- name: 创建kubelet的systemd unit文件
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template: src=kubelet.service.j2 dest=/etc/systemd/system/kubelet.service
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tags: upgrade_k8s, restart_node
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- name: 开机启用kubelet 服务
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shell: systemctl enable kubelet
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ignore_errors: true
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- name: 开启kubelet 服务
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shell: systemctl daemon-reload && systemctl restart kubelet
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tags: upgrade_k8s, restart_node
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##-------kube-proxy部分----------------
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- name: 替换 kube-proxy.kubeconfig 的 apiserver 地址
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lineinfile:
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dest: /etc/kubernetes/kube-proxy.kubeconfig
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regexp: "^ server"
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line: " server: {{ KUBE_APISERVER }}"
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- name: 创建kube-proxy 配置
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template: src=kube-proxy-config.yaml.j2 dest=/var/lib/kube-proxy/kube-proxy-config.yaml
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tags: reload-kube-proxy, restart_node, upgrade_k8s
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- name: 创建kube-proxy 服务文件
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template: src=kube-proxy.service.j2 dest=/etc/systemd/system/kube-proxy.service
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tags: reload-kube-proxy, restart_node, upgrade_k8s
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- name: 开机启用kube-proxy 服务
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shell: systemctl enable kube-proxy
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ignore_errors: true
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- name: 开启kube-proxy 服务
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shell: systemctl daemon-reload && systemctl restart kube-proxy
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tags: reload-kube-proxy, upgrade_k8s, restart_node
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# 轮询等待kube-proxy启动完成
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- name: 轮询等待kube-proxy启动
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shell: "systemctl is-active kube-proxy.service"
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register: kubeproxy_status
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until: '"active" in kubeproxy_status.stdout'
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retries: 4
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delay: 2
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tags: reload-kube-proxy, upgrade_k8s, restart_node
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# 轮询等待kubelet启动完成
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- name: 轮询等待kubelet启动
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shell: "systemctl is-active kubelet.service"
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register: kubelet_status
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until: '"active" in kubelet_status.stdout'
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retries: 4
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delay: 2
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tags: reload-kube-proxy, upgrade_k8s, restart_node
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- name: 轮询等待node达到Ready状态
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shell: "{{ bin_dir }}/kubectl get node {{ inventory_hostname }}|awk 'NR>1{print $2}'"
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register: node_status
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until: node_status.stdout == "Ready" or node_status.stdout == "Ready,SchedulingDisabled"
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retries: 8
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delay: 8
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tags: upgrade_k8s, restart_node
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- name: 设置node节点role
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shell: "{{ bin_dir }}/kubectl label node {{ inventory_hostname }} kubernetes.io/role=node --overwrite"
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ignore_errors: true
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- block:
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- name: 获取已下载离线镜像信息
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command: "ls {{ base_dir }}/down"
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register: download_info
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connection: local
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- name: 尝试推送离线dnscache镜像（若执行失败，可忽略）
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copy: src={{ base_dir }}/down/{{ dnscache_offline }} dest=/opt/kube/images/{{ dnscache_offline }}
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when: 'dnscache_offline in download_info.stdout'
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- name: 获取dnscache离线镜像推送情况
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command: "ls /opt/kube/images"
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register: image_info
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- name: 导入dnscache的离线镜像（若执行失败，可忽略）
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shell: "{{ bin_dir }}/docker load -i /opt/kube/images/{{ dnscache_offline }}"
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when: 'dnscache_offline in image_info.stdout and CONTAINER_RUNTIME == "docker"'
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- name: 导入dnscache的离线镜像（若执行失败，可忽略）
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shell: "{{ bin_dir }}/ctr -n=k8s.io images import /opt/kube/images/{{ dnscache_offline }}"
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when: 'dnscache_offline in image_info.stdout and CONTAINER_RUNTIME == "containerd"'
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when: "ENABLE_LOCAL_DNS_CACHE|bool"
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