YAML语法和playbook写法  ​​​​链接1​​​ ​​链接2​​

环境准备

jdk-8u152-linux-x64.tar.gz

study01 测试机1

study02 测试机2


主机配置yaml文件

[root@master ansible]# cat install_jdk.yaml 
---
- name: "检测并安装jdk"
  hosts: web
  tasks:
    - name: "检测主机是否安装jdk"
      shell: java -version
      ignore_errors: True
      register: check_jdk_result
    - name: "创建jdk目录"
      file:
        path: /usr/java
        state: directory
        owner: root
        group: root
        mode: 0755
      when: check_jdk_result.rc != 0
    - name: "将jdk解压并拷贝到远程目录下"
      unarchive:
        src: jdk-8u152-linux-x64.tar.gz
        dest: /usr/java
        copy: yes
      when: check_jdk_result.rc != 0
    - name: "添加环境变量,提前手动打开看一下解压后的jdk文件名"
      shell: /bin/echo {{ item }} >> /etc/bashrc
      loop:
        - export JAVA_HOME=/usr/java/jdk1.8.0_152
        - export CLASSPATH=\$JAVA_HOME/lib/
        - export PATH=\$PATH:\$JAVA_HOME/bin
      when: check_jdk_result.rc != 0
    - name: "加载配置文件"
      shell: source /etc/bashrc
      args:
        executable: /bin/bash
    - name: "测试jdk是否安装好"
      shell: java -version

运行

[root@master ansible]# ansible-playbook install_jdk.yaml -i /etc/ansible/hosts 

PLAY [检测并安装jdk] ************************************************************************************************************************************************************************************************

TASK [Gathering Facts] *****************************************************************************************************************************************************************************************ok: [172.16.3.101]
ok: [172.16.3.102]

TASK [检测主机是否安装jdk] *********************************************************************************************************************************************************************************************
fatal: [172.16.3.102]: FAILED! => {"changed": true, "cmd": "java -version", "delta": "0:00:00.006948", "end": "2022-08-15 17:37:43.785598", "msg": "non-zero return code", "rc": 127, "start": "2022-08-15 17:37:43.778650", "stderr": "/bin/sh: java: command not found", "stderr_lines": ["/bin/sh: java: command not found"], "stdout": "", "stdout_lines": []}
...ignoring
fatal: [172.16.3.101]: FAILED! => {"changed": true, "cmd": "java -version", "delta": "0:00:00.005696", "end": "2022-08-13 04:35:15.209605", "msg": "non-zero return code", "rc": 127, "start": "2022-08-13 04:35:15.203909", "stderr": "/bin/sh: java: command not found", "stderr_lines": ["/bin/sh: java: command not found"], "stdout": "", "stdout_lines": []}
...ignoring

TASK [创建jdk目录] *************************************************************************************************************************************************************************************************
ok: [172.16.3.102]
ok: [172.16.3.101]

TASK [将jdk解压并拷贝到远程目录下] *****************************************************************************************************************************************************************************************
ok: [172.16.3.101]
ok: [172.16.3.102]

TASK [添加环境变量,提前手动打开看一下解压后的jdk文件名] ******************************************************************************************************************************************************************************
changed: [172.16.3.102] => (item=export JAVA_HOME=/usr/java/jdk1.8.0_152)
changed: [172.16.3.101] => (item=export JAVA_HOME=/usr/java/jdk1.8.0_152)
changed: [172.16.3.102] => (item=export CLASSPATH=\$JAVA_HOME/lib/)
changed: [172.16.3.101] => (item=export CLASSPATH=\$JAVA_HOME/lib/)
changed: [172.16.3.102] => (item=export PATH=\$PATH:\$JAVA_HOME/bin)
changed: [172.16.3.101] => (item=export PATH=\$PATH:\$JAVA_HOME/bin)

TASK [加载配置文件] **************************************************************************************************************************************************************************************************
changed: [172.16.3.101]
changed: [172.16.3.102]

TASK [测试jdk是否安装好] **********************************************************************************************************************************************************************************************
changed: [172.16.3.101]
changed: [172.16.3.102]

PLAY RECAP *****************************************************************************************************************************************************************************************************172.16.3.101               : ok=7    changed=4    unreachable=0    failed=0    skipped=0    rescued=0    ignored=1   
172.16.3.102               : ok=7    changed=4    unreachable=0    failed=0    skipped=0    rescued=0    ignored=1

到测试机上验证

需要手动命令使环境生效（这一步不确定是不是必须）

source /etc/bashrc


测试机验证

验证结果正常。

playbook写法及ansible安装jdk_java

playbook写法及ansible安装jdk_linux_02