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

- block:
    - name: 在deploy 节点创建相关目录
      file: name=/opt/kube/kube-system/kube-router state=directory

    - name: 准备配置 kube-router DaemonSet (without IPVS)
      template: src=kuberouter.yaml.j2 dest=/opt/kube/kube-system/kube-router/kuberouter.yaml
      when: 'SERVICE_PROXY != "true"'
        
    - name: 准备配置 kube-router DaemonSet (with IPVS)
      template: src=kuberouter-all.yaml.j2 dest=/opt/kube/kube-system/kube-router/kuberouter.yaml
      when: 'SERVICE_PROXY == "true"'
  delegate_to: "{{ groups.deploy[0] }}"
  run_once: true
    
- name: 检查是否已下载离线kube-router镜像
  command: "ls {{ base_dir }}/down"
  register: download_info
  connection: local
  run_once: true

- name: 创建cni 和kube-router 相关目录
  file: name={{ item }} state=directory
  with_items:
  - /etc/cni/net.d
  - /opt/kube/images

- name: 下载cni plugins
  copy: src={{ base_dir }}/bin/{{ item }} dest={{ bin_dir }}/{{ item }} mode=0755
  with_items:
  - bridge
  - host-local
  - loopback
  - portmap

# kube-router 带service proxy (IPVS/LVS)
- name: 停止 kube-proxy 服务
  service: name=kube-proxy state=stopped enabled=no 
  when: 'SERVICE_PROXY == "true"'
  ignore_errors: true

- name: 清理 kube-proxy产生的iptables或ipvs规则
  shell: "{{ bin_dir }}/kube-proxy --cleanup; ipvsadm -C"
  when: 'SERVICE_PROXY == "true"'
  ignore_errors: true

# 【可选】推送离线docker 镜像，可以忽略执行错误
- name: 尝试推送离线docker 镜像（若执行失败，可忽略）
  copy: src={{ base_dir }}/down/{{ item }} dest=/opt/kube/images/{{ item }}
  when: 'item in download_info.stdout'
  with_items:
  - "pause_3.1.tar"
  - "{{ kuberouter_offline }}"
  - "{{ busybox_offline }}"
  ignore_errors: true

- name: 获取kube-router离线镜像推送情况
  command: "ls /opt/kube/images"
  register: image_info

# 如果目录下有离线镜像，就把它导入到node节点上
- name: 导入 kube-router的离线镜像（若执行失败，可忽略）
  shell: "{{ bin_dir }}/docker load -i /opt/kube/images/{{ item }}"
  when: 'item in image_info.stdout'
  with_items:
  - "pause_3.1.tar"
  - "{{ kuberouter_offline }}"
  - "{{ busybox_offline }}"
  ignore_errors: true

# 只需单节点执行一次
- name: 运行 kube-router DaemonSet
  shell: "{{ bin_dir }}/kubectl apply -f /opt/kube/kube-system/kube-router/ && sleep 5"
  delegate_to: "{{ groups.deploy[0] }}"
  run_once: true

# 删除原有cni配置
- name: 删除默认cni配置 
  file: path=/etc/cni/net.d/10-default.conf state=absent

# 等待网络插件部署成功，视下载镜像速度而定
- name: 轮询等待kube-router 运行，视下载镜像速度而定
  shell: "{{ bin_dir }}/kubectl get pod -n kube-system -o wide|grep 'kube-router'|grep ' {{ inventory_hostname }} '|awk '{print $3}'"
  register: pod_status
  until: pod_status.stdout == "Running"
  delegate_to: "{{ groups.deploy[0] }}"
  retries: 15
  delay: 8