前面學(xué)習(xí)了理論，下面該練練手了。兩臺機(jī)器：10.1.6.186、10.1.6.159。fabric部署在10.1.6.186上面。

1 ?執(zhí)行一個簡單的task任務(wù)，顯示兩臺機(jī)器的/home/guol/目錄下的文件

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#!/usr/bin/python from fabric.api import * from fabric.context_managers import * env.hosts=['10.1.6.186','10.1.6.159'] env.password='xxxxxx' def task1(): ????with cd('/home/guol'): ????????run('ls -l') ##結(jié)果 root@vm11:/tmp# fab task1 [10.1.6.186] Executing task 'task1' [10.1.6.186] run: ls -l [10.1.6.186] out: total 0 [10.1.6.186] out: -rw-r--r-- 1 root root 0 Dec 21 13:32 186-local [10.1.6.186] out: [10.1.6.159] Executing task 'task1' [10.1.6.159] run: ls -l [10.1.6.159] out: total 0 [10.1.6.159] out: -rw-r--r-- 1 root root 0 Dec 21 13:32 159-remote [10.1.6.159] out: Done. Disconnecting from 10.1.6.159... done. Disconnecting from 10.1.6.186... done.

2 ?執(zhí)行和1相同的任務(wù)，不過排除掉10.1.6.159這臺機(jī)器

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#!/usr/bin/python from fabric.api import * from fabric.context_managers import * env.hosts=['10.1.6.186','10.1.6.159'] env.password='xxxxxx' env.exclude_hosts=['10.1.6.159'] def task1(): ????with cd('/home/guol'): ????????run('ls -l') ##執(zhí)行 root@vm11:/tmp# fab task1 [10.1.6.186] Executing task 'task1' [10.1.6.186] run: ls -l [10.1.6.186] out: total 0 [10.1.6.186] out: -rw-r--r-- 1 root root 0 Dec 21 13:32 186-local [10.1.6.186] out: Done. Disconnecting from 10.1.6.186... done.

3 ?執(zhí)行和2相同任務(wù)，再增加一個task2，并且把taskN偽裝成meta任務(wù)執(zhí)行

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#!/usr/bin/python from fabric.api import * from fabric.colors import * from fabric.context_managers import * env.hosts=['10.1.6.186','10.1.6.159'] env.password='xxxxxx' env.exclude_hosts=['10.1.6.159'] def task1(): ????with cd('/home/guol'): ????????run('ls -l') def task2(): ????print(green("I'm fabric")) def deploy(): ????execute(task1) ????execute(task2) ##執(zhí)行 root@vm11:/tmp# fab deploy [10.1.6.186] Executing task 'deploy' [10.1.6.186] Executing task 'task1' [10.1.6.186] run: ls -l [10.1.6.186] out: total 0 [10.1.6.186] out: -rw-r--r-- 1 root root 0 Dec 21 13:32 186-local [10.1.6.186] out: [10.1.6.186] Executing task 'task2' I'm fabric Done. Disconnecting from 10.1.6.186... done.

4 ?不同的機(jī)器執(zhí)行不同的task

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#!/usr/bin/python from fabric.api import * from fabric.colors import * from fabric.context_managers import * env.roledefs={'web1':['10.1.6.186'],'web2':['10.1.6.159']} env.password='xxxxxx' @roles('web1') def task1(): ????with cd('/home/guol'): ????????run('ls -l') @roles('web2') def task2(): ????print(green("I'm fabric")) def deploy(): ????execute(task1) ????execute(task2) ##執(zhí)行 root@vm11:/tmp# fab deploy [10.1.6.186] Executing task 'task1' [10.1.6.186] run: ls -l [10.1.6.186] out: total 0 [10.1.6.186] out: -rw-r--r-- 1 root root 0 Dec 21 13:32 186-local [10.1.6.186] out: [10.1.6.159] Executing task 'task2' I'm fabric Done. Disconnecting from 10.1.6.186... done.

5 ?把159的/home/guol/159-remote拉取到186的?/home/guol/目錄下

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#!/usr/bin/python from fabric.api import * from fabric.colors import * from fabric.context_managers import * env.hosts=['10.1.6.159'] env.password='xxxxxx' def task1(): ????print(green("I'm 186 /home/guol/")) ????local('ls -l /home/guol') def task2(): ????print(green("I'm get 159's 159-remote file to 186")) ????get('/home/guol/159-remote','/home/guol') ????print(yellow("I'm 186 /home/guol/")) ????local('ls -l /home/guol') def deploy(): ????execute(task1) ????execute(task2) ##執(zhí)行 root@vm11:/tmp# fab deploy [10.1.6.159] Executing task 'deploy' [10.1.6.159] Executing task 'task1' I'm 186 /home/guol/ [localhost] local: ls -l /home/guol total 0 -rw-r--r-- 1 root root 0 Dec 21 13:32 186-local [10.1.6.159] Executing task 'task2' I'm get 159's 159-remote file to 186 [10.1.6.159] download: /home/guol/159-remote <- /home/guol/159-remote I'm 186 /home/guol/ [localhost] local: ls -l /home/guol total 0 -rw-r--r-- 1 root root 0 Dec 21 14:28 159-remote -rw-r--r-- 1 root root 0 Dec 21 13:32 186-local Done. Disconnecting from 10.1.6.159... done.

6 ??把186的/home/guol/?186-local推送到159的?/home/guol/目錄下

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#!/usr/bin/python from fabric.api import * from fabric.colors import * from fabric.context_managers import * env.hosts=['10.1.6.159'] env.password='xxxxxx' def task1(): ????print(green("I'm 159 /home/guol/")) ????with cd('/home/guol'): ????????run('ls -l') def task2(): ????print(green("I'm put 186's 186-local file to 159")) ????put('/home/guol/186-local','/home/guol') ????print(yellow("I'm 159 /home/guol/")) ????with cd('/home/guol'): ????????run('ls -l') def deploy(): ????execute(task1) ????execute(task2) ##執(zhí)行 root@vm11:/tmp# fab deploy [10.1.6.159] Executing task 'deploy' [10.1.6.159] Executing task 'task1' I'm 159 /home/guol/ [10.1.6.159] run: ls -l [10.1.6.159] out: total 0 [10.1.6.159] out: -rw-r--r-- 1 root root 0 Dec 21 13:32 159-remote [10.1.6.159] out: [10.1.6.159] Executing task 'task2' I'm put 186's 186-local file to 159 [10.1.6.159] put: /home/guol/186-local -> /home/guol/186-local I'm 159 /home/guol/ [10.1.6.159] run: ls -l [10.1.6.159] out: total 0 [10.1.6.159] out: -rw-r--r-- 1 root root 0 Dec 21 13:32 159-remote [10.1.6.159] out: -rw-r--r-- 1 root root 0 Dec 21 14:33 186-local [10.1.6.159] out: Done. Disconnecting from 10.1.6.159... done.

7 ?在186上打開一個159的交互式的shell

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#!/usr/bin/python from fabric.api import * from fabric.colors import * from fabric.context_managers import * env.hosts=['10.1.6.159'] env.password='xxxxxx' def task3(): ????open_shell("ifconfig eth0|grep '10.1.6.159'") def deploy(): ?????execute(task3) ##執(zhí)行 root@vm11:/tmp# fab deploy [10.1.6.159] Executing task 'deploy' [10.1.6.159] Executing task 'task3' Welcome to Ubuntu 12.10 (GNU/Linux 3.5.0-17-generic x86_64) Last login: Fri Dec 21 14:39:39 2012 from 10.1.6.186 ifconfig eth0|grep '10.1.6.159' root@vm12:~# ifconfig eth0|grep '10.1.6.159' ??????????inet addr:10.1.6.159? Bcast:10.1.6.255? Mask:255.255.255.0

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