使用SaltStack安装JDK1.6
一，创建states文件在/srv/salt目录下创建jdk目录，并在jdk目录创建init.sls文件，init.sls文件内容如下：
jdk-file:
file.managed:
- source: salt://jdk/files/jdk1.6.0_39.tar.gz
- name: /usr/java/jdk1.6.0_39.tar.gz
- include_empty: True
jdk-install:
cmd.run:
- name: '/bin/tar -zxf jdk1.6.0_39.tar.gz && /bin/ln -s jdk1.6.0_39latest '
- cwd: /usr/java
- unless: 'test -e jdk1.6.0_39'
- require:
- file: jdk-file
jdk-rmzip:
file.absent:
- name: /usr/java/jdk1.6.0_39.tar.gz
/root/.bashrc:
file.append:
- text:
- export JAVA_HOME=/usr/java/latest
- export PATH=$JAVA_HOME/bin:$PATH
上面sls文件需要引用jdk1.6.0_39.tar.gz文件，故需要下载jdk1.6.0_39.bin安装之后将其打包成jdk1.6.0_39.tar.gz拷贝到/srv/salt/jdk/files目录。
init.sls文件执行过程包括以下几个步骤：
jdk-file，将salt://jdk/files/jdk1.6.0_39.tar.gz文件拷贝到/usr/java
jdk-install，解压文件
jdk-rmzip，删除压缩包
/root/.bashrc，设置JAVA_HOME
修改top.sls文件（该步骤为可选），添加jdk.init:
base:
'*':
- jdk.init
测试运行
在master上运行下面命令，并观察运行结果：
# salt '*' state.sls jdk
sk2:
----------
ID: jdk-file
Function: file.managed
Name: /usr/java/jdk1.6.0_39.tar.gz
Result: True
Comment: File /usr/java/jdk1.6.0_39.tar.gz updated
Changes:
----------
diff:
New file
mode:
0644
----------
ID: jdk-install
Function: cmd.run
Name: /bin/tar -zxf jdk1.6.0_39.tar.gz && /bin/ln -s jdk1.6.0_39latest
Result: True
Comment: unless execution succeeded
Changes:
----------
ID: jdk-rmzip
Function: file.absent
Name: /usr/java/jdk1.6.0_39.tar.gz
Result: True
Comment: Removed file /usr/java/jdk1.6.0_39.tar.gz
Changes:
----------
removed:
/usr/java/jdk1.6.0_39.tar.gz
----------
ID: /root/.bashrc
Function: file.append
Result: True
Comment: Appended 0 lines
Changes:
Summary
------------
Succeeded: 4
Failed: 0
------------
Total: 4
从上可以看出成功了4个，失败为0。
安装了jdk之后，需要重启minion(还需要修改minion启动脚本，让minion加载上系统环境变量，详细说明，见安装SaltStack和halite)才能通过下面脚本运行java相关的命令，如java、jps等等：
salt '*' cmd.run 'jps'
否则，你需要通过下面脚本来执行：
salt '*' cmd.run 'source /root/.bashrc ;jps'
二，设置pillar
将上面的jdk/init.sls文件修改为通过pillar引用变量
a.首先在/srv/pillar目录创建jdk目录，并在jdk目录下创建init.sls文件，内容如下：
jdk:
name: jdk1.6.0_39
srvpath: salt://jdk/files
homepath: /usr/java
b.在/srv/pillar/top.sls中添加jdk.init
base:
'*':
- jdk.init
c.修改/srv/salt/jdk/init.sls文件为从pillar引入变量，内容如下：
jdk-file:
file.managed:
- source: {{pillar['jdk']['srvpath']}}/{{pillar['jdk']['name']}}.tar.gz
- name: {{pillar['jdk']['homepath']}}/{{pillar['jdk']['name']}}.tar.gz
- makedirs: True
jdk-install:
cmd.run:
- name: 'unzip -q {{pillar['jdk']['name']}}.tar.gz'
- cwd: {{pillar['jdk']['homepath']}}
- unless: 'test -e {{pillar['jdk']['name']}}'
- require:
- file: jdk-file
jdk-rmzip:
file.absent:
- name: {{pillar['jdk']['homepath']}}/{{pillar['jdk']['name']}}.tar.gz
{{pillar['userhome']}}/.bashrc:
file.append:
- text:
- export JAVA_HOME={{pillar['jdk']['homepath']}}/{{pillar['jdk']['name']}}
- export PATH=$JAVA_HOME/bin:$PATH
d.参考上面，再次测试一遍
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