ansible 模块 facts
ansible -i hosts ip1 -m synchronize -a 'mode=pull src=file.tar.gz dest=/tmp/fenku/'ansible -i hosts ip2 -m synchronize -a 'src=/tmp/fenku/ dest=/xx/xx/'
command,shell,script
Copy
copy: src=/opt/src/profile dest=/etc/profile force=yes owner=root group=root mode=0644
file
file: dest=` nginx_web_dir `/` item ` state=directory
file: path=` item ` owner=` nginx_user ` group=` nginx_user ` mode=0755
serviceservice模块说白了，就是Linux下的service命令
template
template: src=index.html dest=` nginx_web_dir `/vhost/index.html owner=` nginx_user ` group=` nginx_user ` mode=0644
setup
Cron
User
user: name=` nginx_user ` state=present createhome=no shell=/sbin/nologin
yum
action
action: user name=tomcat password=xx update_password=always shell=/bin/bash home=/opt/ea
- name: copy test
copy: src=/etc/ansible/playbook/roles/http/meta/test dest=/opt/apps/`pro_dir`/
tags:
- updateconf
notify:
- stop tomcat service
- start tomcat service
ansible-playbook -i hosts site.yml --extra-vars "tomcat_dir=test pro_dir=test
并发执行
ansible-playbook user.yml -f 10
ansible web -m setup -a "filter=ansible_mounts"
变量 案例
client
/etc/ansible/facts.d/nm.fact
ansible -i hosts ot11 -m setup -a "filter=ansible_local"
shell: chdir=/opt/ea tar xvzf tomcat.tar.gz && rm -rf `ansible_local`.`nm`.`general`.`tomcat_dir` && mv tomcat `ansible_local`.`nm`.`general`.`tomcat_dir` && chown -R tomcat.tomcat `ansible_local`.`nm`.`general`.`tomcat_dir`
这边需要开启facts变量功能， gather_facts: no 或者是false是关闭，gather_facts:yes 或者是true都是开启。 当时没注意，找到了官方的实例，直接就干，结果sx了。咋都不行，总是提示define为定义。。。 原来facts没有开。。
{% for v in hostvars.iteritems() %}
{{ v['ansible_hostname'] }}
{% endfor %}
对与变量，注意的地方
参考
http://www.tuicool.com/articles/MfMjyeN
http://www.178linux.com/9431?utm_source=tuicool&utm_medium=referral
重点参考 http://blog.csdn.net/minxihou/article/details/53667797 有实例。
Ansible中的tags使用 http://unixman.blog.51cto.com/10163040/1674198
变量的优先级。处理同一个变量名多处定义的问题。
3.1、在1.x版本里面，越靠下优先级越高，可以覆盖上面的
1、role defaults 中定义的变量，优先级最低
2、从被管理系统中收集的facts信息
3、inventory中定义的变量
4、在playbook中的vars: 或者 roles 中的vars
5、一些连接变量，例如ansible_user 。
6、命令行的变量ansible-playbook -e 选项的变量, 优先级别最高。
3.2 ,在2.x系列的版本中调整变量优先级的顺序为如下。优先级由低到高
[*] role defaults
[*] inventory vars
[*] inventory group_vars
[*] inventory host_vars
[*] playbook group_vars
[*] playbook host_vars
[*] host facts
[*] registered vars
[*] set_facts
[*] play vars
[*] play vars_prompt
[*] play vars_files
[*] role and include vars
[*] block vars (only for tasks in block)
[*] task vars (only for the task)
[*] extra vars
变量实例
ansible在playbook中变量传入到执行脚本的方法
## 简介
这个方式用于ansible调用playbook方法实现远程服务器执行某个脚本，脚本中的某些参数需要由管理服务器传入的情况。
下面的例子是ansible实际调用script模块实现远程服务器执行一个shell脚本
## 脚本内容
### ansible 执行脚本
```python
#!/usr/bin/env python
# -*- coding:utf-8 -*-
# edit: mesopodamia@gmail.com
import ansible
from ansible.playbook import PlayBook
from ansible.inventory import Inventory
from ansible import callbacks
from ansible import utils
import sys
reload(sys)
sys.setdefaultencoding('utf-8')
vars = "hello world"
ansible_command = "/usr/local/bin/ansible-playbook"
playbook = "/home/eric/playbook/deploy.yml"
hosts = ['192.168.0.99']
# Boilerplace callbacks for stdout/stderr and log output
utils.VERBOSITY = 0
playbook_cb = callbacks.PlaybookCallbacks(verbose=utils.VERBOSITY)
stats = callbacks.AggregateStats()
runner_cb = callbacks.PlaybookRunnerCallbacks(stats, verbose=utils.VERBOSITY)
# pro输入数据是列表
def ansible_playbook(playbook,pro,vars):
pb = PlayBook(
playbook=playbook,
inventory = Inventory(pro),
callbacks = playbook_cb,
runner_callbacks = runner_cb,
stats = stats,
extra_vars = {'var':vars}
)
return pb.run()
if __name__ == "__main__":
ansible_playbook(playbook,hosts,vars)
```
### 远程调用脚本（eric.sh）
```shell
#!/usr/bin/env bash
echo `date` > /tmp/date.txt
echo $1 > /tmp/date.txt
```
### ansible中playbook的设置
playbook的定义(deploy.yml)
```yaml
- hosts: all
roles:
- role: init
```
具体的角色init中task的main.yml定义
```yaml
- script: ~/bin/eric.sh "{{ var }}"
```
还有一种变量实现方式
roles:
- { role: webserver, port: 5000, tags: [ 'web', 'foo' ] }
关于ansible的playbook模板和facts的后续文档
有兴趣的朋友可以看看tornado的模板渲染nginx配置
ansible 1.7.2 api 获取有某些应用的ip
http://szgb2016.blog.51cto.com/340201/1812500
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