我使用过puppet与salt，但这2个软件都需要安装客户端，并且更新很快，每次更新都是令人蛋疼的事，尤其是salt，喜欢他的命令功能，但bug太多，不敢在公司线上使用，puppet虽然稳定，但弄命令执行的时候，需要mco配置，非常麻烦，我公司由于跟多家公司合作，很多业务没办法安装客户端，所以没办法使用puppet与salt(虽然salt有ssh，但不太好使），最后找到了ansible，他既有命令执行也有配置管理，关键开发它的语言是python，paramiko进行ssh连接,跟我之前开发的自动管理软件都是使用paramiko进行操作，不需要安装客户端，满足我的需求，下面给大家介绍一下我是如何使用的。
一、安装
1、安装第三方epel源
centos 5的epel
rpm -ivh http://mirrors.sohu.com/fedora-epel/5/x86_64/epel-release-5-4.noarch.rpm
centos 6的epel
rpm -ivh http://mirrors.sohu.com/fedora-epel/6/x86_64/epel-release-6-8.noarch.rpm
查看系统版本
17:01:30 # cat /etc/issue CentOS release 6.5 (Final) Kernel \r on an \m
由于是6版本所以安装6的epel
2、安装ansible
yum install ansible
如果需要自定义module或者想阅读源码、使用最新版本，可以去github里下载源码
git clone https://github.com/ansible/ansible.git
3、添加主机
17:22:08 # cd /etc/ansible/ root@ip-10-10-10-10:/etc/ansible 17:23:27 # ll total 12 -rw-r--r-- 1 root root 5113 Dec 29 03:00 ansible.cfg -rw-r--r-- 1 root root 965 Dec 29 03:00 hosts 其中ansible.cfg是配置文件，hosts是管理主机信息 17:24:44 # cat hosts 172.17.0.2:49154 172.17.0.4:49155 [zabbix] 172.17.0.2:49154 172.17.0.4:49155 [vpn] 172.17.0.10
4、使用密码登陆
ansible支持正则测试
16:20:57 # ansible 127* -m ping
SSH password:
127.0.0.1 | success {
"changed": false,
"ping": "pong"
}
root@ip-10-10-10-10:/etc/ansible
16:21:05 # ansible 172* -m ping
SSH password:
172.17.0.5 | success {
"changed": false,
"ping": "pong"
}
172.17.0.4 | success {
"changed": false,
"ping": "pong"
}
172.17.0.2 | success {
"changed": false,
"ping": "pong"
}
如果你有多台服务器的话，想并发运行，可以使用-f参数，默认是并发5
5、使用密钥登陆测试
11:30:35 # ansible vpn -m shell -a "echo $TERM" -u test --private-key=denglei -K SSH password: sudo password [defaults to SSH password]: 172.17.0.10 | success | rc=0 xterm
二、模块应用
6、文件传输
11:30:44 # ansible vpn -m copy -a "src=/tmp/server dest=/tmp/server" -u test --private-key=denglei -K
SSH password:
sudo password [defaults to SSH password]:
172.17.0.10 | success {
"changed": true,
"dest": "/tmp/server",
"gid": 505,
"group": "test",
"md5sum": "e8b32bc4d7b564ac6075a1418ad8841e",
"mode": "0664",
"owner": "test",
"size": 7,
"src": "/home/test/.ansible/tmp/ansible-1402630447.45-253524136818424/source",
"state": "file",
"uid": 503
}
去客户端查看文件是否传输过来
11:34:57 # ansible vpn -m shell -a "ls -l /tmp/" -u test --private-key=denglei -K SSH password: sudo password [defaults to SSH password]: 172.17.0.10 | success | rc=0 total 76 -rw-r--r-- 1 root root 41692 May 21 13:02 config -rw-r--r-- 1 root root 1228 Jun 12 18:24 install_pptpd_vpn.sh -rw-rw-r-- 1 test test 7 Jun 13 19:33 server -rw-r--r-- 1 root root 82 Jun 12 18:21 test.log -rw-r--r-- 1 root root 290 Jun 12 18:21 test.sh -rw-r--r-- 1 root root 2444 Apr 28 2012 vpn_centos6.sh -rw------- 1 root root 727 Jun 10 18:21 yum_save_tx-2014-06-10-18-21UrqDAp.yumtx -rw-rw-r-- 1 zabbix zabbix 3124 Jun 12 21:32 zabbix_agentd.log -rw-rw-r-- 1 zabbix zabbix 5 Jun 12 21:32 zabbix_agentd.pid
可以看到已经传过来了
看看文件内容
11:35:09 # ansible vpn -m shell -a "cat /tmp/server" -u test --private-key=denglei -K SSH password: sudo password [defaults to SSH password]: 172.17.0.10 | success | rc=0 server
内容正常
还有另外一个模块file，可以修改用户与权限
下面是当前文件状态
13:50:07 # ansible vpn -m shell -a "ls -l /tmp/server" -u test --private-key=denglei -K SSH password: sudo password [defaults to SSH password]: 172.17.0.10 | success | rc=0 -rw-rw-r-- 1 test test 7 Jun 13 19:33 /tmp/server
server文件是664权限，用户与组都是test
修改一下
13:51:17 # ansible vpn -m file -a "dest=/tmp/server mode=755 owner=root group=root" -u test --private-key=denglei -K
SSH password:
sudo password [defaults to SSH password]:
172.17.0.10 | success {
"changed": true,
"gid": 0,
"group": "root",
"mode": "0755",
"owner": "root",
"path": "/tmp/server",
"size": 7,
"state": "file",
"uid": 0
}
root@ip-10-10-10-10:/etc/ansible
13:51:31 # ansible vpn -m shell -a "ls -l /tmp/server" -u test --private-key=denglei -K
SSH password:
sudo password [defaults to SSH password]:
172.17.0.10 | success | rc=0
-rwxr-xr-x 1 root root 7 Jun 13 19:33 /tmp/server
7、安装软件
14:20:30 # ansible vpn -m yum -a "name=nmap state=installed" -u test --private-key=denglei -K
SSH password:
sudo password [defaults to SSH password]:
172.17.0.10 | success {
"changed": true,
"msg": "",
"rc": 0,
"results": [
"Loaded plugins: fastestmirror, security\nLoading mirror speeds from cached hostfile\n * epel: mirrors.hust.edu.cn\nSetting up Install Process\nResolving Dependencies\n--> Running transaction check\n---> Package nmap.x86_64 2:5.51-3.el6 will be installed\n--> Finished Dependency Resolution\n\nDependencies Resolved\n\n================================================================================\n Package Arch Version Repository Size\n================================================================================\nInstalling:\n nmap x86_64 2:5.51-3.el6 Base 2.7 M\n\nTransaction Summary\n================================================================================\nInstall 1 Package(s)\n\nTotal download size: 2.7 M\nInstalled size: 9.7 M\nDownloading Packages:\nRunning rpm_check_debug\nRunning Transaction Test\nTransaction Test Succeeded\nRunning Transaction\n\r Installing : 2:nmap-5.51-3.el6.x86_64 1/1 \n\r Verifying : 2:nmap-5.51-3.el6.x86_64 1/1 \n\nInstalled:\n nmap.x86_64 2:5.51-3.el6 \n\nComplete!\n"
]
}
三、playbook配置管理
8、playbook
A.进行一下shell模块操作，测试删除文件
先查看一下客户端的server-test是否存在
[root@puppet ansible]# ansible vpn -m shell -a "ls -l /tmp/server-test" -u test --private-key=/root/denglei -k SSH password: 172.17.0.10 | success | rc=0 -rw-rw-r-- 1 test test 7 Jun 14 00:37 /tmp/server-test
可以看到是存在的
然后写一个删除的playbook
[root@puppet ansible]# cat test.yml --- - hosts: vpn remote_user: test tasks: - name: delete /tmp/server-test shell: rm -rf /tmp/server-test
运行
[root@puppet ansible]# ansible-playbook test.yml --private-key=/root/denglei -k [WARNING]: The version of gmp you have installed has a known issue regarding timing vulnerabilities when used with pycrypto. If possible, you should update it (ie. yum update gmp). SSH password: PLAY [vpn] ******************************************************************** GATHERING FACTS *************************************************************** ok: [172.17.0.10] TASK: [delete /tmp/server-test] *********************************************** changed: [172.17.0.10] PLAY RECAP ******************************************************************** 172.17.0.10 : ok=2 changed=1 unreachable=0 failed=0
在查看
[root@puppet ansible]# ansible vpn -m shell -a "ls -l /tmp/server-test" -u test --private-key=/root/denglei -k SSH password: 172.17.0.10 | FAILED | rc=2 ls: cannot access /tmp/server-test: No such file or directory
文件已经删除
B.进行一下template模块操作，测试文件传输
[root@puppet ansible]# cat copy.yml --- - hosts: vpn remote_user: test tasks: - name: copy local server to client /tmp/server-test template: src=/tmp/server dest=/tmp/server-test [root@puppet ansible]# ansible-playbook copy.yml --private-key=/root/denglei -k [WARNING]: The version of gmp you have installed has a known issue regarding timing vulnerabilities when used with pycrypto. If possible, you should update it (ie. yum update gmp). SSH password: PLAY [vpn] ******************************************************************** GATHERING FACTS *************************************************************** ok: [172.17.0.10] TASK: [copy local server to client /tmp/server-test] ************************** changed: [172.17.0.10] PLAY RECAP ******************************************************************** 172.17.0.10 : ok=2 changed=1 unreachable=0 failed=0 [root@puppet ansible]# ansible vpn -m shell -a "ls -l /tmp/server-test" -u test --private-key=/root/denglei -k SSH password: 172.17.0.10 | success | rc=0 -rw-rw-r-- 1 test test 7 Jun 14 17:07 /tmp/server-test
C.使用service模块，测试一下服务重启
[root@puppet ansible]# ansible vpn -m shell -a "/etc/init.d/pptpd stop" -u test --private-key=/root/denglei -k -K -s SSH password: sudo password [defaults to SSH password]: 172.17.0.10 | success | rc=0 Shutting down pptpd: [ OK ] [root@puppet ansible]# ansible vpn -m shell -a "/etc/init.d/pptpd stop" -u test --private-key=/root/denglei -k -K -s SSH password: sudo password [defaults to SSH password]: 172.17.0.10 | success | rc=0 Shutting down pptpd: [ OK ]
D.多项目同时更新
[root@puppet ansible]# ansible vpn -m shell -a "ls -l /tmp/" -u test --private-key=/root/denglei -k
SSH password:
172.17.0.10 | success | rc=0
total 84
-rw-r--r-- 1 root root 41692 May 21 13:02 config
-rw-r--r-- 1 root root 1228 Jun 12 18:24 install_pptpd_vpn.sh
-rwxr-xr-x 1 root root 7 Jun 13 19:33 server
-rw-rw-r-- 1 test test 7 Jun 14 17:07 server-test
-rw-r--r-- 1 root root 82 Jun 12 18:21 test.log
-rw-r--r-- 1 root root 290 Jun 12 18:21 test.sh
-rw-r--r-- 1 root root 2444 Apr 28 2012 vpn_centos6.sh
-rw------- 1 root root 727 Jun 10 18:21 yum_save_tx-2014-06-10-18-21UrqDAp.yumtx
-rw-rw-r-- 1 zabbix zabbix 4664 Jun 14 00:30 zabbix_agentd.log
-rw-rw-r-- 1 zabbix zabbix 5 Jun 14 00:30 zabbix_agentd.pid
[root@puppet ansible]# vim multi_copy.yml
[root@puppet ansible]# cat multi_copy.yml
---
- hosts: vpn
remote_user: test
gather_facts: False
tasks:
- name: copy local server to client /tmp/server-test
template: src=/tmp/server dest=/tmp/test-{{item}}
with_items:
- server-1
- server-2
- server-3
[root@puppet ansible]# ansible-playbook multi_copy.yml --private-key=/root/denglei -k
[WARNING]: The version of gmp you have installed has a known issue regarding
timing vulnerabilities when used with pycrypto. If possible, you should update
it (ie. yum update gmp).
SSH password:
PLAY [vpn] ********************************************************************
TASK: [copy local server to client /tmp/server-test] **************************
changed: [172.17.0.10] => (item=server-1)
changed: [172.17.0.10] => (item=server-2)
changed: [172.17.0.10] => (item=server-3)
PLAY RECAP ********************************************************************
172.17.0.10 : ok=1 changed=1 unreachable=0 failed=0
[root@puppet ansible]# ansible vpn -m shell -a "ls -l /tmp/" -u test --private-key=/root/denglei -k
SSH password:
172.17.0.10 | success | rc=0
total 96
-rw-r--r-- 1 root root 41692 May 21 13:02 config
-rw-r--r-- 1 root root 1228 Jun 12 18:24 install_pptpd_vpn.sh
-rwxr-xr-x 1 root root 7 Jun 13 19:33 server
-rw-rw-r-- 1 test test 7 Jun 14 17:07 server-test
-rw-rw-r-- 1 test test 7 Jun 18 00:50 test-server-1
-rw-rw-r-- 1 test test 7 Jun 18 00:50 test-server-2
-rw-rw-r-- 1 test test 7 Jun 18 00:50 test-server-3
-rw-r--r-- 1 root root 82 Jun 12 18:21 test.log
-rw-r--r-- 1 root root 290 Jun 12 18:21 test.sh
-rw-r--r-- 1 root root 2444 Apr 28 2012 vpn_centos6.sh
-rw------- 1 root root 727 Jun 10 18:21 yum_save_tx-2014-06-10-18-21UrqDAp.yumtx
-rw-rw-r-- 1 zabbix zabbix 4664 Jun 14 00:30 zabbix_agentd.log
-rw-rw-r-- 1 zabbix zabbix 5 Jun 14 00:30 zabbix_agentd.pid
E.根据条件进行删除
[root@puppet ansible]# ansible vpn -m shell -a "ls -l /tmp/" -u test --private-key=/root/denglei -k SSH password: 172.17.0.10 | success | rc=0 total 96 -rw-r--r-- 1 root root 41692 May 21 13:02 config -rw-r--r-- 1 root root 1228 Jun 12 18:24 install_pptpd_vpn.sh -rwxr-xr-x 1 root root 7 Jun 13 19:33 server -rw-rw-r-- 1 test test 7 Jun 14 17:07 server-test -rw-rw-r-- 1 test test 7 Jun 18 00:50 test-server-1 -rw-rw-r-- 1 test test 7 Jun 18 00:50 test-server-2 -rw-rw-r-- 1 test test 7 Jun 18 00:50 test-server-3 -rw-r--r-- 1 root root 82 Jun 12 18:21 test.log -rw-r--r-- 1 root root 290 Jun 12 18:21 test.sh -rw-r--r-- 1 root root 2444 Apr 28 2012 vpn_centos6.sh -rw------- 1 root root 727 Jun 10 18:21 yum_save_tx-2014-06-10-18-21UrqDAp.yumtx -rw-rw-r-- 1 zabbix zabbix 4664 Jun 14 00:30 zabbix_agentd.log -rw-rw-r-- 1 zabbix zabbix 5 Jun 14 00:30 zabbix_agentd.pid [root@puppet ansible]# cat delete.yml --- - hosts: vpn remote_user: test gather_facts: True tasks: - name: if system is centos,then rm /tmp/test-server-1 shell: rm -rf /tmp/test-server-1 when: ansible_os_family == "RedHat" [root@puppet ansible]# ansible-playbook delete.yml --private-key=/root/denglei -k [WARNING]: The version of gmp you have installed has a known issue regarding timing vulnerabilities when used with pycrypto. If possible, you should update it (ie. yum update gmp). SSH password: PLAY [vpn] ******************************************************************** GATHERING FACTS *************************************************************** ok: [172.17.0.10] TASK: [if system is centos,then rm /tmp/test-server-1] ************************ changed: [172.17.0.10] PLAY RECAP ******************************************************************** 172.17.0.10 : ok=2 changed=1 unreachable=0 failed=0 [root@puppet ansible]# ansible vpn -m shell -a "ls -l /tmp/" -u test --private-key=/root/denglei -k SSH password: 172.17.0.10 | success | rc=0 total 92 -rw-r--r-- 1 root root 41692 May 21 13:02 config -rw-r--r-- 1 root root 1228 Jun 12 18:24 install_pptpd_vpn.sh -rwxr-xr-x 1 root root 7 Jun 13 19:33 server -rw-rw-r-- 1 test test 7 Jun 14 17:07 server-test -rw-rw-r-- 1 test test 7 Jun 18 00:50 test-server-2 -rw-rw-r-- 1 test test 7 Jun 18 00:50 test-server-3 -rw-r--r-- 1 root root 82 Jun 12 18:21 test.log -rw-r--r-- 1 root root 290 Jun 12 18:21 test.sh -rw-r--r-- 1 root root 2444 Apr 28 2012 vpn_centos6.sh -rw------- 1 root root 727 Jun 10 18:21 yum_save_tx-2014-06-10-18-21UrqDAp.yumtx -rw-rw-r-- 1 zabbix zabbix 4664 Jun 14 00:30 zabbix_agentd.log -rw-rw-r-- 1 zabbix zabbix 5 Jun 14 00:30 zabbix_agentd.pid
F.debug输出
[root@puppet ansible]# cat debug.yml
---
- hosts: vpn
remote_user: test
gather_facts: True
tasks:
- name: debug to print interface
debug: msg="{{item}}"
with_items: ansible_default_ipv4.address
[root@puppet ansible]# ansible-playbook debug.yml --private-key=/root/denglei -k
[WARNING]: The version of gmp you have installed has a known issue regarding
timing vulnerabilities when used with pycrypto. If possible, you should update
it (ie. yum update gmp).
SSH password:
PLAY [vpn] ********************************************************************
GATHERING FACTS ***************************************************************
ok: [172.17.0.10]
TASK: [debug to print interface] **********************************************
ok: [172.17.0.10] => (item=10.10.32.34) => {
"item": "10.10.32.34",
"msg": "10.10.32.34"
}
G.check模式，仅检测，但不实行
[root@puppet ansible]# ansible vpn -m shell -a "ls -l /tmp/" -u test --private-key=/root/denglei -k SSH password: 172.17.0.10 | success | rc=0 total 92 -rw-r--r-- 1 root root 41692 May 21 13:02 config -rw-r--r-- 1 root root 1228 Jun 12 18:24 install_pptpd_vpn.sh -rwxr-xr-x 1 root root 7 Jun 13 19:33 server -rw-rw-r-- 1 test test 7 Jun 14 17:07 server-test -rw-rw-r-- 1 test test 7 Jun 18 00:50 test-server-2 -rw-rw-r-- 1 test test 7 Jun 18 00:50 test-server-3 -rw-r--r-- 1 root root 82 Jun 12 18:21 test.log -rw-r--r-- 1 root root 290 Jun 12 18:21 test.sh -rw-r--r-- 1 root root 2444 Apr 28 2012 vpn_centos6.sh -rw------- 1 root root 727 Jun 10 18:21 yum_save_tx-2014-06-10-18-21UrqDAp.yumtx -rw-rw-r-- 1 zabbix zabbix 4664 Jun 14 00:30 zabbix_agentd.log -rw-rw-r-- 1 zabbix zabbix 5 Jun 14 00:30 zabbix_agentd.pid [root@puppet ansible]# ansible-playbook copy.yml --private-key=/root/denglei -k --check [WARNING]: The version of gmp you have installed has a known issue regarding timing vulnerabilities when used with pycrypto. If possible, you should update it (ie. yum update gmp). SSH password: PLAY [vpn] ******************************************************************** GATHERING FACTS *************************************************************** ok: [172.17.0.10] TASK: [copy local server to client /tmp/server-test] ************************** changed: [172.17.0.10] => (item=server-1) ok: [172.17.0.10] => (item=server-2) ok: [172.17.0.10] => (item=server-3) PLAY RECAP ******************************************************************** 172.17.0.10 : ok=2 changed=1 unreachable=0 failed=0 PLAY RECAP ******************************************************************** 172.17.0.10 : ok=2 changed=0 unreachable=0 failed=0 H.diff
使用diff与不使用作对比
[root@puppet ansible]# ansible vpn -m shell -a "rm -rf /tmp/test-server-1" -u test --private-key=/root/denglei -k SSH password: 172.17.0.10 | success | rc=0 [root@puppet ansible]# ansible vpn -m shell -a "ls -l /tmp/" -u test --private-key=/root/denglei -k SSH password: 172.17.0.10 | success | rc=0 total 92 -rw-r--r-- 1 root root 41692 May 21 13:02 config -rw-r--r-- 1 root root 1228 Jun 12 18:24 install_pptpd_vpn.sh -rwxr-xr-x 1 root root 7 Jun 13 19:33 server -rw-rw-r-- 1 test test 7 Jun 14 17:07 server-test -rw-rw-r-- 1 test test 7 Jun 18 00:50 test-server-2 -rw-rw-r-- 1 test test 7 Jun 18 00:50 test-server-3 -rw-r--r-- 1 root root 82 Jun 12 18:21 test.log -rw-r--r-- 1 root root 290 Jun 12 18:21 test.sh -rw-r--r-- 1 root root 2444 Apr 28 2012 vpn_centos6.sh -rw------- 1 root root 727 Jun 10 18:21 yum_save_tx-2014-06-10-18-21UrqDAp.yumtx -rw-rw-r-- 1 zabbix zabbix 4664 Jun 14 00:30 zabbix_agentd.log -rw-rw-r-- 1 zabbix zabbix 5 Jun 14 00:30 zabbix_agentd.pid [root@puppet ansible]# ansible-playbook copy.yml --private-key=/root/denglei -k --diff [WARNING]: The version of gmp you have installed has a known issue regarding timing vulnerabilities when used with pycrypto. If possible, you should update it (ie. yum update gmp). SSH password: PLAY [vpn] ******************************************************************** GATHERING FACTS *************************************************************** ok: [172.17.0.10] TASK: [copy local server to client /tmp/server-test] ************************** --- before +++ after @@ -1,0 +1,1 @@ +server changed: [172.17.0.10] => (item=server-1) ok: [172.17.0.10] => (item=server-2) ok: [172.17.0.10] => (item=server-3) PLAY RECAP ******************************************************************** 172.17.0.10 : ok=2 changed=1 unreachable=0 failed=0
9、主机信息查看
类似puppet的fact、salt的grains
[root@puppet ansible]# ansible vpn -m setup -u test --private-key=/root/denglei -k
SSH password:
172.17.0.10 | success {
"ansible_facts": {
"ansible_all_ipv4_addresses": [
"10.10.32.34",
"10.10.32.34"
],
"ansible_all_ipv6_addresses": [
"fe80::f816:3eff:fe3e:1667"
],
"ansible_architecture": "x86_64",
"ansible_bios_date": "01/01/2007",
"ansible_bios_version": "Bochs",
"ansible_cmdline": {
"KEYBOARDTYPE": "pc",
"KEYTABLE": "us",
"LANG": "zh_CN.UTF-8",
"quiet": true,
"rd_NO_DM": true,
"rd_NO_LUKS": true,
"rd_NO_LVM": true,
"rd_NO_MD": true,
"rhgb": true,
"ro": true,
"root": "UUID=c6042d42-8edb-4bb4-a31b-2197b043500c"
},
数据太多，我就展示部分。
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