服务器评测
运维离不开自动化，python的发展更是给自动化注入了一剂兴奋剂；还记得当时公司年会，大家都在嗨皮，苦逼的运维攻城狮还在卖力的给一个大客户手动开通500台云主机的情形，现在想想好傻O(∩_∩)O哈哈~。如果早点接触pyVmomi，就不至于这么苦逼了。
pyVmomi is the Python SDK for the VMware vSphere API that allows you to manage ESX, ESXi, and vCenter.官方如是说。自己这里写篇博客整理一下，也希望对还停留在手工时代的同学有所帮助。
坏境配置：
1、网络环境：
安装pyvmomi的server和VMware vCenter 网络打通；
2、系统环境：
pyvmomi用pip安装，所以需要有python和pip;pyvmomi 6.0.0需要的python版本支持为2.7, 3.3 和 3.4, 支持的vSphere 版本为：6.0, 5.5, 5.1 和 5.0。
安装如下：
$sudo apt-get install python-pip
$sudo pip install pyvmomi
$sudo pip freeze | grep pyvmomi #查看安装的pyvmomi版本，现在是6.0版本
pyvmomi==6.0.0 #如果已经安装过，升级用pip install –upgrade pyvmomi
或者也可以下载源码包安装,https://github.com/vmware/pyvmomi.git：
$sudo python setup.py install
3、pyvmomi提供了一些社区样本项目，可以参考编写自己的代码：
git clone https://github.com/vmware/pyvmomi-community-samples.git
4、下面是 pyvmomi给出的获取所有vm的脚本：
#!/usr/bin/env python
# VMware vSphere Python SDK
# Copyright (c) 2008-2015 VMware, Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the “License”);
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an “AS IS” BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
“””
Python program for listing the vms on an ESX / vCenter host
“””
from __future__ import print_function
from pyVim.connect import SmartConnect, Disconnect
import argparse
import atexit
import getpass
import ssl
def GetArgs():
“””
Supports the command-line arguments listed below.
“””
parser = argparse.ArgumentParser(
description=’Process args for retrieving all the Virtual Machines’)
parser.add_argument(‘-s’, ‘–host’, required=True, action=’store’,
help=’Remote host to connect to’)
parser.add_argument(‘-o’, ‘–port’, type=int, default=443, action=’store’,
help=’Port to connect on’)
parser.add_argument(‘-u’, ‘–user’, required=True, action=’store’,
help=’User name to use when connecting to host’)
parser.add_argument(‘-p’, ‘–password’, required=False, action=’store’,
help=’Password to use when connecting to host’)
args = parser.parse_args()
return args
def PrintVmInfo(vm, depth=1):
“””
Print information for a particular virtual machine or recurse into a folder
with depth protection
“””
maxdepth = 10
# if this is a group it will have children. if it does, recurse into them
# and then return
if hasattr(vm, ‘childEntity’):
if depth > maxdepth:
return
vmList = vm.childEntity
for c in vmList:
PrintVmInfo(c, depth+1)
return
summary = vm.summary
print(“Name : “, summary.config.name)
print(“Path : “, summary.config.vmPathName)
print(“Guest : “, summary.config.guestFullName)
annotation = summary.config.annotation
if annotation != None and annotation != “”:
print(“Annotation : “, annotation)
print(“State : “, summary.runtime.powerState)
if summary.guest != None:
ip = summary.guest.ipAddress
if ip != None and ip != “”:
print(“IP : “, ip)
if summary.runtime.question != None:
print(“Question : “, summary.runtime.question.text)
print(“”)
def main():
“””
Simple command-line program for listing the virtual machines on a system.
“””
args = GetArgs()
if args.password:
password = args.password
else:
password = getpass.getpass(prompt=’Enter password for host %s and ‘
‘user %s: ‘ % (args.host,args.user))
context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
context.verify_mode = ssl.CERT_NONE
si = SmartConnect(host=args.host,
user=args.user,
pwd=password,
port=int(args.port),
sslContext=context)
if not si:
print(“Could not connect to the specified host using specified “
“username and password”)
return -1
atexit.register(Disconnect, si)
content = si.RetrieveContent()
for child in content.rootFolder.childEntity:
if hasattr(child, ‘vmFolder’):
datacenter = child
vmFolder = datacenter.vmFolder
vmList = vmFolder.childEntity
for vm in vmList:
PrintVmInfo(vm)
return 0
# Start program
if __name__ == “__main__”:
main()
5、执行之后输出格式如下：
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