本文主要讲述如何使用Ansible在Redhat Linux系列上安装java 17。
关于Ansible的基本概念可以参考运维自动化之Ansible
1. 安装Ansible
安装Ansible参考安装ansible | 鹏叔的技术博客
2. 编写Ansible Playbook
如果远程主机非root用户，需要准备一个ansible.cfg文件用于覆盖ansible默认配置，
也可以直接修改/etc/ansible/ansible.cfg
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| # vi ansible.cfg
[defaults]
# replace the user with actual user name
remote_user = user_name_on_managed_host
[privilege_escalation]
become = True
become_method = sudo
become_user = root
become_ask_pass = False
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vi install_java.yaml
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| ---
- name: Install Java
hosts: all
become: yes
vars:
- jdk_package_name: java-17-openjdk-devel
jdk_version: 17.0.9.0.9
env_file: /etc/profile
tasks:
- name: Install OpenJDK
yum: name={{ jdk_package_name }}-{{ jdk_version }} state=present
- name: Set Java environment variables
lineinfile: dest={{ env_file }} insertafter={{ item.position }} line={{ item.value }} state=present
with_items:
- {position: EOF,value: "export JAVA_HOME=/usr/lib/jvm/{{ jdk_package_name }}-{{ jdk_version }}.el8.x86_64"}
- {position: EOF,value: "export PATH=$JAVA_HOME/bin/:$PATH"}
- {position: EOF,value: "export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar"}
notify: Reload profile
handlers:
- name: Reload profile
shell: source {{ env_file }}
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3. 执行Ansible Playbook
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| ansible-playbook install_java.yaml
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4. 参考文档
使用ansible 安装java
Ansible 学习总结（6）—— Ansible 19个常用模块使用示例
Linux System Roles