关于使用ansible-playbook部署java业务代码

01. 背景

一般地，在公司的生产环境中，由于需求变更和代码更新频繁的问题，那么应对措施就是工具化平台化使用到该生产环境中。ansible-playbook可以简单便捷地管理配置服务。

02. 需求

对于代码部分，一般是git或svn作为代码管理仓库。语言使用java，那么打包则由maven来打包，使用maven私服来管理包。即是先在git下载代码，然后使用mvn来打包，经过传输到生产服务器，然后启动服务，最终检查服务是否成功。

03. ansible-playbook内容

---
- name: Local ops
  hosts: 127.0.0.1
  remote_user: mai
  become: yes
  become_user: root
  gather_facts: False
  vars:
  - super_user: mai
  - git_user: autouser
  - git_passwd: 123456
  - project_name: testauto
  - project_gitlocal_dir: /tmp/logstest/{{ project_name }}
  tasks:
  - name: Delete {{ project_name }} code.
    file: 
      path: '{{ project_gitlocal_dir }}'
      state: absent

  - name: Downloading git code.
    git:
      repo: https://{{ git_user | urlencode }}:{{ git_passwd | urlencode}}@git.mairoot.com/test/{{ project_name }}.git
      version: develop
      dest: '{{ project_gitlocal_dir }}'
      force: yes

  - name: Mvn make pack.
    shell: cd {{ project_gitlocal_dir }}; /data/apps/apache-maven-3.5.4-java8/bin/mvn clean package -Pdev


- name: Remote ops
  hosts: testhost
  remote_user: mai
  become: yes
  become_user: root
  gather_facts: False
  vars:
  - project_name: testauto
  - project_api_name: testautoapi
  - project_gitlocal_dir: /tmp/logstest/{{ project_name }}
  - project_api_dir_name: /data/apps/backend/{{ project_api_name }}
  - run_user: testauto
  - run_group: suwe
  tasks:
  - name: Mkdir {{ project_name }}
    file:
      path: '{{ project_api_dir_name }}'
      state: directory
      owner: '{{ run_user }}'
      group: '{{ run_group }}'
      mode: 0755

  - name: Copy file to remote install.
    copy:
      src: "{{ item.src }}"
      dest: "{{ item.dest }}"
    with_items:
    - { src: '{{ project_gitlocal_dir }}/testauto-api/target/lib', dest: '{{ project_api_dir_name }}' }
    - { src: '{{ project_gitlocal_dir }}/testauto-api/target/testauto.jar', dest: '{{ project_api_dir_name }}' }

  - name: Isn't docker-java or not.
    shell: docker ps -a| grep {{ project_api_name }}
    register: docker_{{ project_api_name }}_value
    ignore_errors: True

  - name: Create and Start docker-java server
    when: docker_{{ project_api_name }}_value | failed
    shell: docker run -itd -p 8089:8080 --name {{ project_api_name }} -v {{ project_api_dir_name }}:/app -v {{ project_api_dir_name }}/logs:/logs java:8 /bin/bash -c 'java -jar -Dspring.profiles.active=prod -XX:+HeapDumpOnOutOfMemoryError -XX:+UseParNewGC -XX:NewSize=16G -XX:MaxPermSize=16G -Xms16G -Xmx16G -server -Duser.timezone=Asia/Shanghai -Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8080 -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=1099 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Djava.rmi.server.hostname=172.17.0.1 /app/testauto.jar'

  - name: Start docker-java server
    when: docker_{{ project_api_name }}_value | succeeded
    shell: docker restart {{ project_api_name }}


- name: Local ops
  hosts: 127.0.0.1
  remote_user: mai
  become: yes
  become_user: root
  gather_facts: False
  vars:
  - project_name: testauto
  - project_gitlocal_dir: /tmp/logstest/{{ project_name }}
  tasks:
  - name: Delete testauto code.
    file: 
      path: '{{ project_gitlocal_dir }}'
      state: absent