Fabric是基於python(2.5-2.7)庫和命令行來實現SSH遠程應用部署及系統管理的工具,使用它,在批量管理遠程主機時,不需要一臺一臺的輸入密碼登陸,可以把所以主機的用戶名和密碼寫在一個文件裏面來操作,下文中有具體實例。
Fabric的安裝 yum install python-setuptools python-dev* pycrypto wget https://pypi.python.org/packages/source/F/Fabric/Fabric-1.10.0.tar.gz --no-check-certificate tar zxvf Fabric-1.10.0.tar.gz cd Fabric-1.10.0 python setup.py install python >>>import fabric #檢查安裝結果,導入模塊沒有提示異常,則安裝成功
針對不同主機執行不同命令,簡單腳本如下:(每個定義的函數都可以當成一個參數來執行) #!/usr/bin/env python from fabric.colors import * from fabric.api import * env.user = 'root' env.roledefs = { 'proxy': ['192.168.199.113'], 'media': ['192.168.199.118'] } env.password = { '[email protected]:22': '123456', '[email protected]:22': '123456' } @roles('proxy') def proxytask(): run("df -h") @roles('media') def mediatask(): run("free -m") #@roles('media','proxy') def run(): execute(proxytask) execute(mediatask)
fab -f fabtest.py run fab -f fabtest.py mediatask fab -f fabtest.py proxytask #可以對比一個這三個執行的結果
遠程文件推送腳本: #!/usr/bin/env python #file tar upload check from fabric.api import * from fabric.context_managers import * from fabric.contrib.console import confirm env.user='root' env.hosts=['192.168.199.118'] env.passwords = { '[email protected]:22': '123456' } @task def put_task(): #upload file task run("mkdir -p /root/test") with cd("/root/test") with settings(warn_only=True): #when upload error,continue result = put("/etc","/root/test") if result.failed and not confirm("put file failed,Continue[Y/N]?"): about("Aborting file put task!")