main.yml

- name: prepare some dirs
  file: name={{ item }} state=directory
  with_items:
  - "{{ cluster_dir }}/ssl"
  - "{{ cluster_dir }}/backup"
  - "{{ cluster_dir }}/yml"
  - "~/.kube"

- name: 本地设置 bin 目录权限
  file: path={{ base_dir }}/bin state=directory mode=0755 recurse=yes

# 注册变量p，根据p的stat信息判断是否已经生成过ca证书，如果没有，下一步生成证书
# 如果已经有ca证书，为了保证整个安装的幂等性，跳过证书生成的步骤
- name: 读取ca证书stat信息
  stat: path="{{ cluster_dir }}/ssl/ca.pem"
  register: p

- name: 准备CA配置文件和签名请求
  template: src={{ item }}.j2 dest={{ cluster_dir }}/ssl/{{ item }}
  with_items:
  - "ca-config.json"
  - "ca-csr.json"
  when: p.stat.isreg is not defined

- name: 生成 CA 证书和私钥
  when: p.stat.isreg is not defined
  shell: "cd {{ cluster_dir }}/ssl && \
	 {{ base_dir }}/bin/cfssl gencert -initca ca-csr.json | {{ base_dir }}/bin/cfssljson -bare ca" 

#----------- 创建配置文件: /root/.kube/config
- import_tasks: create-kubectl-kubeconfig.yml
  tags: create_kctl_cfg

#----------- 创建个性化客户端配置文件
- import_tasks: add-custom-kubectl-kubeconfig.yml
  tags: add-kcfg
  when: "ADD_KCFG|bool"

#------------创建配置文件: kube-proxy.kubeconfig
- import_tasks: create-kube-proxy-kubeconfig.yml

#------------创建配置文件: kube-controller-manager.kubeconfig
- import_tasks: create-kube-controller-manager-kubeconfig.yml

#------------创建配置文件: kube-scheduler.kubeconfig
- import_tasks: create-kube-scheduler-kubeconfig.yml

# ansible 控制端一些易用性配置
- name: 本地创建 ezdown/ezctl 工具的软连接
  file: src={{ base_dir }}/{{ item }} dest=/usr/bin/{{ item }} state=link
  with_items:
  - ezdown
  - ezctl

- name: ansible 控制端创建 kubectl 软链接
  file: src={{ base_dir }}/bin/kubectl dest=/usr/bin/kubectl state=link
  ignore_errors: true

# 注册变量以判断是否容器化运行ansible控制端，如果容器化运行那么进程数小于50
- name: 注册变量以判断是否容器化运行ansible控制端
  shell: "ps aux|wc -l"
  register: procs

- name: ansible 控制端写入环境变量$PATH
  lineinfile:
    dest: ~/.bashrc
    state: present
    regexp: 'kubeasz'
    line: 'export PATH={{ base_dir }}/bin/:$PATH # generated by kubeasz'
  when: "procs.stdout|int > 50"
  ignore_errors: true

- name: ansible 控制端添加 kubectl 自动补全
  lineinfile:
    dest: ~/.bashrc
    state: present
    regexp: 'kubectl completion'
    line: 'source <(kubectl completion bash)'
  when: "procs.stdout|int > 50"
  ignore_errors: true