kubeasz/roles/calico/tasks/main.yml

- name: 在节点创建相关目录
  file: name={{ item }} state=directory
  with_items:
  - /etc/calico/ssl
  - /etc/cni/net.d
  - /opt/kube/images 
  - /opt/kube/kube-system

- name: 创建calico 证书请求
  template: src=calico-csr.json.j2 dest=/etc/calico/ssl/calico-csr.json

- name: 创建 calico证书和私钥
  shell: "cd /etc/calico/ssl && {{ bin_dir }}/cfssl gencert \
        -ca={{ ca_dir }}/ca.pem \
        -ca-key={{ ca_dir }}/ca-key.pem \
        -config={{ ca_dir }}/ca-config.json \
        -profile=kubernetes calico-csr.json | {{ bin_dir }}/cfssljson -bare calico"

- name: get calico-etcd-secrets info
  shell: "{{ bin_dir }}/kubectl get secrets -n kube-system"
  register: secrets_info
  run_once: true

- name: 创建 calico-etcd-secrets
  shell: "cd /etc/calico/ssl && \
        {{ bin_dir }}/kubectl create secret generic -n kube-system calico-etcd-secrets \
        --from-file=etcd-ca={{ ca_dir }}/ca.pem \
        --from-file=etcd-key=calico-key.pem \
        --from-file=etcd-cert=calico.pem"
  when: '"calico-etcd-secrets" not in secrets_info.stdout'
  run_once: true

- name: 配置 calico DaemonSet yaml文件
  template: src=calico-{{ calico_ver_main }}.yaml.j2 dest=/opt/kube/kube-system/calico.yaml
    
# 【可选】推送离线docker 镜像，可以忽略执行错误
- block:
    - name: 检查是否已下载离线calico镜像
      command: "ls {{ base_dir }}/down"
      register: download_info
      connection: local
      run_once: true
    
    - 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"
      - "{{ calico_offline }}"
      ignore_errors: true
    
    - name: 获取calico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 calico的离线镜像（若执行失败，可忽略）
      shell: "{{ bin_dir }}/docker load -i /opt/kube/images/{{ item }}"
      with_items:
      - "pause_3.1.tar"
      - "{{ calico_offline }}"
      ignore_errors: true
      when: "item in image_info.stdout and CONTAINER_RUNTIME == 'docker'" 

    - name: 导入 calico的离线镜像（若执行失败，可忽略）
      shell: "{{ bin_dir }}/ctr -n=k8s.io images import /opt/kube/images/{{ item }}"
      with_items:
      - "pause_3.1.tar"
      - "{{ calico_offline }}"
      ignore_errors: true
      when: "item in image_info.stdout and CONTAINER_RUNTIME == 'containerd'"

# 只需单节点执行一次
- name: 运行 calico网络
  shell: "{{ bin_dir }}/kubectl apply -f /opt/kube/kube-system/calico.yaml"
  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

# [可选]cni calico plugins 已经在calico.yaml完成自动安装
- name: 下载calicoctl 客户端
  copy: src={{ base_dir }}/bin/{{ item }} dest={{ bin_dir }}/{{ item }} mode=0755
  with_items:
  #- calico
  #- calico-ipam
  #- loopback
  - calicoctl
  ignore_errors: true

- name: 准备 calicoctl配置文件
  template: src=calicoctl.cfg.j2 dest=/etc/calico/calicoctl.cfg

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