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运维自动化之ansible playbook结合docker安装smokeping
本次介绍ansible的paly book结合docker进行虚拟机里安装2.6.8版本smokeping（apache版本是2.4.7）。
docker版本
09:26:53 # docker version Client version: 0.11.1 Client API version: 1.11 Go version (client): go1.2.1 Git commit (client): fb99f99/0.11.1 Server version: 0.11.1 Server API version: 1.11 Git commit (server): fb99f99/0.11.1 Go version (server): go1.2.1 Last stable version: 1.1.2, please update docker
ansible版本
09:28:13 # ansible --version ansible 1.4.3
1、查看docker已有镜像
09:25:55 # docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE ubuntu 3.0 6cee55276528 9 weeks ago 369.8 MB centos5 3.0 e08d23b09189 9 weeks ago 840.9 MB centos6 3.0 e94a3b24a19b 9 weeks ago 415.9 MB
可以看到有3个镜像，1个是ubuntu，1个centos5，1个centos6.我这里打算使用centos6来弄。
2、加载新容器
09:31:01 # time docker inspect $(docker run -d -p 22 -p 80:80 --name="smokeping" centos6:3.0 /usr/sbin/sshd -D)|grep -i address|awk -F ‘"‘ ‘{print $4}‘
172.17.0.5
real 0m4.737s
user 0m0.038s
sys 0m0.054s可以看到4秒就加载新容器完成，并且镜像为centos6系统，容器名为smokeping，开启了ssh服务，并且暴漏了22与80端口。
下面在从后端看看本机都运行了哪些容器
09:31:29 # docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 56b70c31a07e centos6:3.0 /usr/sbin/sshd -D About a minute ago Up About a minute 0.0.0.0:80->80/tcp, 0.0.0.0:49156->22/tcp smokeping 846efb9e4d7a ubuntu:3.0 /usr/sbin/sshd -D 12 days ago Up 4 days 0.0.0.0:49167->22/tcp ubuntu-test1 b9a9e6f2caed centos6:3.0 /usr/sbin/sshd -D 3 weeks ago Up 4 days 0.0.0.0:49166->22/tcp zabbix-server 978fff134b18 centos6:3.0 /usr/sbin/sshd -D 4 weeks ago Up 4 days 0.0.0.0:49165->22/tcp centos6-test5
下面是ansible安装smokeping的部分
3、ansible安装smokeping的信息
09:34:06 # cat smokeping_install/vars/main.yml smokeping_dir: /usr/local/smokeping smokeping_version: 2.6.8 smokeping_user: admin smokeping_passwd: ‘()TF%penst*&MedHU‘
可以看到smokeping安装目录是/usr/local/smokeping，安装版本是2.6.8，登陆的账户是admin，登陆密码是()TF%penst*&MedHU
4、下面是安装smokeping的playbook结构
09:36:25 # tree smokeping_* smokeping_delete ├── files │ └── delete_smokeping.sh ├── handlers ├── meta │ └── main.yml ├── tasks │ ├── copy.yml │ ├── delete.yml │ └── main.yml ├── templates └── vars ├── main.xml ├── main.yml └── vars └── main.yml smokeping_install ├── files │ ├── rpmforge-release-0.5.3-1.el6.rf.x86_64.rpm │ └── smokeping.tar.gz ├── handlers ├── meta │ └── main.yml ├── tasks │ ├── copy.yml │ ├── delete.yml │ ├── install.yml │ └── main.yml ├── templates │ ├── config │ └── smokeping.conf └── vars └── main.yml 13 directories, 18 files
5、playbook安装smokeping的内容是
09:37:27 # cat smokeping_install.yml
---
- hosts: "{{host}}"
remote_user: "{{user}}"
gather_facts: True
roles:
- common
- pcre_install
- apache_install
- smokeping_install6、playbook删除smokeping的内容是
09:38:01 # cat smokeping_delete.yml
---
- hosts: "{{host}}"
remote_user: "{{user}}"
gather_facts: True
roles:
- apache_delete
- pcre_delete
- smokeping_delete下面是安装与测试过程
7、把docker新容器smokeping的ip加入到ansible的hosts里
echo "172.17.0.5">>/etc/ansible/hosts
8、安装smokeping
09:39:10 # time ansible-playbook smokeping_install.yml --extra-vars "host=172.17.0.5 user=root" -k
SSH password:
PLAY [172.17.0.5] *************************************************************
GATHERING FACTS ***************************************************************
ok: [172.17.0.5]
TASK: [common | Install initializtion require software] ***********************
changed: [172.17.0.5]
TASK: [pcre_install | Copy Pcre Software To Redhat Client] ********************
changed: [172.17.0.5]
TASK: [pcre_install | Uncompression Pcre Software In Redhat Client] ***********
changed: [172.17.0.5]
TASK: [pcre_install | Delete Pcre Software In Redhat Client] ******************
changed: [172.17.0.5]
TASK: [apache_install | Copy Apache Software To Redhat Client] ****************
changed: [172.17.0.5] => (item=httpd-2.4.7.tar.gz)
changed: [172.17.0.5] => (item=libiconv.tar.gz)
TASK: [apache_install | Create Apache User In Redhat Client] ******************
changed: [172.17.0.5]
TASK: [apache_install | Uncompression Apache Software To Redhat Client] *******
changed: [172.17.0.5]
TASK: [apache_install | Copy Apache Config To Redhat Client] ******************
changed: [172.17.0.5]
TASK: [apache_install | Copy Apache Vhost Config To Redhat Client] ************
changed: [172.17.0.5]
TASK: [apache_install | Copy Apache Start Service Script To Redhat Client] ***
changed: [172.17.0.5]
TASK: [apache_install | Create Lib Install Dir] *******************************
ok: [172.17.0.5]
TASK: [apache_install | Check Apache Iconv In Redhat Client] ******************
changed: [172.17.0.5]
TASK: [apache_install | Install Apache Iconv In Redhat Client] ****************
changed: [172.17.0.5]
TASK: [apache_install | Check Lib In Config In Redhat Client] *****************
failed: [172.17.0.5] => {"changed": true, "cmd": "grep -c /usr/local/lib/ /etc/ld.so.conf ", "delta": "0:00:00.006524", "end": "2014-08-11 09:40:48.822372", "item": "", "rc": 1, "start": "2014-08-11 09:40:48.815848"}
stdout: 0
...ignoring
TASK: [apache_install | Install Apache Iconv In Redhat Client] ****************
changed: [172.17.0.5]
TASK: [apache_install | Create Apache Dir] ************************************
changed: [172.17.0.5] => (item=/data/webroot/apache)
changed: [172.17.0.5] => (item=/data/webroot/apache/logs)
changed: [172.17.0.5] => (item=/data/webroot/apache/vhost)
TASK: [apache_install | Install Check Script In Redhat Client] ****************
changed: [172.17.0.5]
TASK: [apache_install | Create Index Html To Redhat Client] *******************
changed: [172.17.0.5]
TASK: [apache_install | Start Apache Service In Redhat Client] ****************
changed: [172.17.0.5]
TASK: [apache_install | Add Boot Start Apache Service In Redhat Client] *******
changed: [172.17.0.5]
TASK: [apache_install | Delete Apache compression Software In Redhat Client] ***
changed: [172.17.0.5]
TASK: [smokeping_install | Create Smokeping Install Dir] **********************
changed: [172.17.0.5]
TASK: [smokeping_install | Copy Smokeping Software To Redhat Client] **********
changed: [172.17.0.5] => (item=rpmforge-release-0.5.3-1.el6.rf.x86_64.rpm)
changed: [172.17.0.5] => (item=smokeping.tar.gz)
TASK: [smokeping_install | Install Epel Yum Repo] *****************************
changed: [172.17.0.5]
TASK: [smokeping_install | Install Require Software] **************************
changed: [172.17.0.5]
TASK: [smokeping_install | Uncompression Smokeping] **************************
changed: [172.17.0.5]
TASK: [smokeping_install | Copy Smokeping Config To Redhat Client] ************
changed: [172.17.0.5]
TASK: [smokeping_install | Copy Smokeping Httpd Config To Redhat Client] ******
changed: [172.17.0.5]
TASK: [smokeping_install | Check Boot Start In Redhat Client] *****************
failed: [172.17.0.5] => {"changed": true, "cmd": "grep -c ‘/usr/local/smokeping/bin/smokeping --logfile=/var/log/smokeping.log 2>&1 &‘ /etc/rc.local ", "delta": "0:00:00.007325", "end": "2014-08-11 09:46:03.045378", "item": "", "rc": 1, "start": "2014-08-11 09:46:03.038053"}
stdout: 0
...ignoring
TASK: [smokeping_install | Add Boot Start In Redhat Client] *******************
changed: [172.17.0.5]
TASK: [smokeping_install | Modify Smokeping Dir Permission In Redhat Client] ***
changed: [172.17.0.5]
TASK: [smokeping_install | Start Smokeping Service In Redhat Client] **********
changed: [172.17.0.5]
TASK: [smokeping_install | Restart Apache Service In Redhat Client] ***********
changed: [172.17.0.5]
TASK: [smokeping_install | Delete Installed File] *****************************
changed: [172.17.0.5]
PLAY RECAP ********************************************************************
172.17.0.5 : ok=35 changed=33 unreachable=0 failed=0
real 6m52.934s
user 0m15.104s
sys 0m1.632s花费6分52秒完成，花费时间多的主要是yum安装基础库与使用epel安装smokeping依赖库。
9、安装后测试
查看smokeping
由于我做了安全认证，需要输入账户与密码，这个账户与密码就上文第3步的账户与密码
然后默认的其他网络监控（包括1、2、3线电信、移动、联通、铁通与教育网的节点监控已经做好）
如果有其他的监控需要自己来添加即可。
10、删除
09:46:08 # time ansible-playbook smokeping_delete.yml --extra-vars "host=172.17.0.5 user=root" -k SSH password: PLAY [172.17.0.5] ************************************************************* GATHERING FACTS *************************************************************** ok: [172.17.0.5] TASK: [apache_delete | Stop Httpd Service In RedHat Client] ******************* changed: [172.17.0.5] TASK: [apache_delete | Delete Boot Start In RedHat Client] ******************** changed: [172.17.0.5] TASK: [apache_delete | Delete Apache Dir In RedHat Client] ******************** changed: [172.17.0.5] TASK: [apache_delete | Delete Apache Service Script In RedHat Client] ********* changed: [172.17.0.5] TASK: [apache_delete | Delete Apache User] ************************************ changed: [172.17.0.5] TASK: [pcre_delete | Delete Pcre] ********************************************* changed: [172.17.0.5] TASK: [smokeping_delete | Stop Smokeping Service In Redhat Client] ************ changed: [172.17.0.5] TASK: [smokeping_delete | Delete Smokeping Dir In Redhat Client] ************** changed: [172.17.0.5] TASK: [smokeping_delete | Delete Boot Start In Redhat Client] ***************** changed: [172.17.0.5] PLAY RECAP ******************************************************************** 172.17.0.5 : ok=10 changed=9 unreachable=0 failed=0 real 0m9.326s user 0m2.914s sys 0m0.446s
11、删除后测试
09:59:45 # ssh 172.17.0.5 root@172.17.0.5‘s password: root@56b70c31a07e:~ 09:59:57 # ifconfig eth0 Link encap:Ethernet HWaddr A6:80:57:2D:D3:F1 inet addr:172.17.0.5 Bcast:0.0.0.0 Mask:255.255.0.0 inet6 addr: fe80::a480:57ff:fe2d:d3f1/64 Scope:Link UP BROADCAST RUNNING MTU:1500 Metric:1 RX packets:84520 errors:0 dropped:0 overruns:0 frame:0 TX packets:86385 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:69075188 (65.8 MiB) TX bytes:9400662 (8.9 MiB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:2 errors:0 dropped:0 overruns:0 frame:0 TX packets:2 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:168 (168.0 b) TX bytes:168 (168.0 b) root@56b70c31a07e:~ 09:59:59 # ps -ef|grep httpd root 1017 1002 0 10:00 pts/0 00:00:00 grep httpd root@56b70c31a07e:~ 10:00:04 # ps -ef|grep smokeping root 1019 1002 0 10:00 pts/0 00:00:00 grep smokeping root@56b70c31a07e:~ 10:00:07 # ll /usr/local/ total 40 drwxr-xr-x 2 root root 4096 Sep 23 2011 bin drwxr-xr-x 2 root root 4096 Sep 23 2011 etc drwxr-xr-x 2 root root 4096 Sep 23 2011 games drwxr-xr-x 2 root root 4096 Sep 23 2011 include drwxr-xr-x 2 root root 4096 Aug 11 09:40 lib drwxr-xr-x 2 root root 4096 Sep 23 2011 lib64 drwxr-xr-x 2 root root 4096 Sep 23 2011 libexec drwxr-xr-x 2 root root 4096 Sep 23 2011 sbin drwxr-xr-x 5 root root 4096 Sep 23 2011 share drwxr-xr-x 2 root root 4096 Sep 23 2011 src root@56b70c31a07e:~ 10:00:11 # cat /etc/rc.local #!/bin/sh # # This script will be executed *after* all the other init scripts. # You can put your own initialization stuff in here if you don‘t # want to do the full Sys V style init stuff. touch /var/lock/subsys/local
如果大家想使用我的例子，可以从github里下载（地址是https://github.com/dl528888/ansible-examples/tree/master/smokeping_install），然后放到/etc/ansible目录里，下面是内容
本文出自 “吟—技术交流” 博客，请务必保留此出处http://dl528888.blog.51cto.com/2382721/1538444
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