9-09 15 views
1.背景
最近在负责公司CMDB的开发工作，公司虚拟化这块儿用的是VSphere，所有的应用都是跑在vm中的，每天会有大量的vm上线或下线，这块儿的资产管理是一个非常大的量，面对样的场景，如何实现vm的自动发现是一个必须要考虑的问题。目标对准了pyvmomi（这也是vmware官方推荐的模块）
下面这个脚本是从CMDB的代码中拎出来的，供大家参考。想要了解vsphere的更多api可以查阅vmware官方API文档：http://pubs.vmware.com/vsphere-6-0/index.jsp
2.准备工作
2.1环境准备
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Python:3.x dependents: pyVmomi,pyVim |
2.2代码
esxi_ssh_enable.py
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#!/usr/bin/env python # -*- coding: utf-8 -*- # @Author : Eric Winn # @Email : eng.eric.winn@gmail.com # @Time : 2018/9/9 15:20 # @Version : 1.0 # @File : get_esxi_and_vm # @Software : PyCharm import argparse import atexit import ssl from pyVim import connect from pyVmomi import vmodl,vim def help_parser(): """ Builds a standard argument parser with arguments for talking to vCenter -s service_host_name_or_ip -o optional_port_number -u required_user -p optional_password """ parser = argparse.ArgumentParser( description='Standard Arguments for talking to vCenter or ESXi') parser.add_argument('-s', '--host', required=True, action='store', help='vSphere service 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=True, action='store', help='Password to use when connecting to host') return parser def parse_service_instance(service_instance): ''' :param service_instance: :return: ''' content = service_instance.RetrieveContent() object_view = content.viewManager.CreateContainerView(content.rootFolder, [], True) for obj in object_view.view: if isinstance(obj, vim.ComputeResource): if isinstance(obj, vim.ClusterComputeResource): print('VcenterCluster: {}'.format(obj.name)) for h in obj.host: nic = h.config.network.vnic[0].spec esxi_config = h.summary.config print(''' ip:{} mac:{} os:{} hostname:{} '''.format(nic.ip.ipAddress, nic.mac, esxi_config.product.fullName, esxi_config.name)) for vx in h.vm: if vx.summary.config.template is False: for device in vx.config.hardware.device: if (device.key >= 4000) and (device.key < 5000): print(''' name:{} ip:{} cpu_cores:{} memory:{} mac:{} hostname:{} power_state:{} '''.format(vx.name, vx.summary.guest.ipAddress, vx.summary.config.numCpu, vx.summary.config.memorySizeMB, device.macAddress, vx.name, str(vx.summary.runtime.powerState), )) else: print('VcenterESXi: {}'.format(obj.name)) for v in obj.host: nic = v.config.network.vnic[0].spec esxi_config = v.summary.config print(''' ip:{} mac:{} os:{} hostname:{} '''.format(nic.ip.ipAddress, nic.mac, esxi_config.product.fullName, esxi_config.name)) for vx in v.vm: if vx.summary.config.template is False: for device in vx.config.hardware.device: if (device.key >= 4000) and (device.key < 5000): print(''' name:{} ip:{} cpu_cores:{} memory:{} mac:{} hostname:{} power_state:{} '''.format(vx.name, vx.summary.guest.ipAddress, vx.summary.config.numCpu, vx.summary.config.memorySizeMB, device.macAddress, vx.name, str(vx.summary.runtime.powerState), )) object_view.Destroy() return 0 def makeConnect(parser): """ :return: """ try: context = ssl.SSLContext(ssl.PROTOCOL_SSLv23) context.verify_mode = ssl.CERT_NONE service_instance = connect.SmartConnect( host=parser.host, user=parser.user, pwd=parser.password, port=parser.port, sslContext=context ) if not service_instance: print("Could not connect to the specified host using specified " "username and password") return -1 atexit.register(connect.Disconnect, service_instance) # ## Do the actual parsing of data ## # parse_service_instance(service_instance) except vmodl.MethodFault as e: return -1 return 0 if __name__ == '__main__': parser = help_parser() parser = parser.parse_args() content = makeConnect(parser) print(content) |
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