ansible roles实践——安装java

1、tasks/main.yml

---
- name: mkdir necessary directory
  file: path=/usr/java/ state=directory mode=0755

- name: unzip jdk
  unarchive: src={{ jdk_package_name }} dest=/usr/java/

- name: set env
 lineinfile: dest={{ env_file }} insertafter={{ item.position }} line={{ item.value }} state=present
 with_items:
 - {position: EOF,value: "\n"}
 - {position: EOF,value: "export JAVA_HOME=/usr/java/{{ jdk_version }}"}
 - {position: EOF,value: "export PATH=$JAVA_HOME/bin/:$PATH"}
 - {position: EOF,value: "export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar"}

- name: enforce env
 shell: source {{ env_file }}

2、vars/main.yml

---

jdk_package_name: jdk-8u121-linux-x64.tar.gz
env_file: /etc/profile
jdk_version: jdk1.8.0_121

3、入口jdk.yml

---

- hosts: 172.16.2.241
  remote_user: root
  roles:
   - jdk