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182899d0b5
* refactor: remove trailing whitespace from Python files * Add the GitHub Super-Linter Add Python flake8 linting for W291 trailing whitespace * Add licenses
288 lines
11 KiB
Python
Executable File
288 lines
11 KiB
Python
Executable File
#!/usr/bin/env python3
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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from pyVim.connect import SmartConnect, SmartConnectNoSSL, Disconnect
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from pyVmomi import vim
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import atexit
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import sys
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import argparse
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import json
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isDebugLogs = False
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hostClusterNameDict = {}
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pgHostNameDict = {}
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networksDict = {}
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def log_message(msg):
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if isDebugLogs == True:
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print(msg)
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def get_clusters(content, cluster=None):
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if cluster is not None:
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log_message("Getting clusters (name=" + cluster + ") ...")
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else:
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log_message("Getting clusters ...")
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cluster_view = content.viewManager.CreateContainerView(content.rootFolder,
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[vim.ClusterComputeResource],
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True)
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clusters = []
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if cluster is not None:
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for c in cluster_view.view:
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if c.name == cluster:
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clusters.append(c)
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hosts = c.host
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for host in hosts:
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hostClusterNameDict[host.name] = c.name
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break
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else:
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for c in cluster_view.view:
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clusters.append(c)
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hosts = c.host
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for host in hosts:
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hostClusterNameDict[host.name] = c.name
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cluster_view.Destroy()
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log_message('\t{} cluster(s) found'.format(len(clusters)))
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for c in clusters:
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log_message('\t' + c.name)
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return clusters
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def get_vm_hosts(clusters):
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log_message("Getting ESX hosts ...")
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hosts = []
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for cluster in clusters:
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hosts.extend(cluster.host)
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log_message('\t{} host(s) found'.format(len(hosts)))
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for host in hosts:
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log_message('\t' + host.name)
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return hosts
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def get_vms(content):
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log_message("Getting VMs ...")
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vm_view = content.viewManager.CreateContainerView(content.rootFolder,
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[vim.VirtualMachine],
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True)
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obj = [vm for vm in vm_view.view]
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vm_view.Destroy()
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return obj
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def get_hosts_port_groups(hosts):
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log_message("Collecting portGroups on hosts. This may take a while ...")
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hostPgDict = {}
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for host in hosts:
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pgs = host.config.network.portgroup
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hostPgDict[host] = pgs
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for pg in pgs:
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pgHostNameDict[pg.spec.name] = host.name
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log_message("\tHost {} done.".format(host.name))
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log_message("\tPortgroup collection complete.")
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return hostPgDict
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def get_vm_info(vm, hostPgDict):
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vmPowerState = vm.runtime.powerState
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log_message('\tVM: ' + vm.name + '(' + vmPowerState + ')')
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get_vm_nics(vm, hostPgDict)
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def get_vm_nics(vm, hostPgDict):
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try:
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for dev in vm.config.hardware.device:
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if isinstance(dev, vim.vm.device.VirtualEthernetCard):
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dev_backing = dev.backing
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portGroup = None
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vlanId = None
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isolatedPvlan = None
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isolatedPvlanType = None
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vSwitch = None
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if hasattr(dev_backing, 'port'):
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portGroupKey = dev.backing.port.portgroupKey
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dvsUuid = dev.backing.port.switchUuid
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try:
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dvs = content.dvSwitchManager.QueryDvsByUuid(dvsUuid)
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except:
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log_message('\tError: Unable retrieve details for distributed vSwitch ' + dvsUuid)
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portGroup = ''
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vlanId = ''
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vSwitch = ''
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else:
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pgObj = dvs.LookupDvPortGroup(portGroupKey)
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portGroup = pgObj.config.name
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try:
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if isinstance(pgObj.config.defaultPortConfig.vlan, vim.dvs.VmwareDistributedVirtualSwitch.PvlanSpec):
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for pvlanConfig in dvs.config.pvlanConfig:
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if pvlanConfig.secondaryVlanId == pgObj.config.defaultPortConfig.vlan.pvlanId:
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vlanId = str(pvlanConfig.primaryVlanId)
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isolatedPvlanType = pvlanConfig.pvlanType
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isolatedPvlan = str(pgObj.config.defaultPortConfig.vlan.pvlanId)
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break
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else:
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vlanId = str(pgObj.config.defaultPortConfig.vlan.vlanId)
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except AttributeError:
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log_message('\tError: Unable retrieve details for portgroup ' + portGroup)
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vlanId = ''
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vSwitch = str(dvs.name)
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else:
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portGroup = dev.backing.network.name
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vmHost = vm.runtime.host
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# global variable hostPgDict stores portGroups per host
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pgs = hostPgDict[vmHost]
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for p in pgs:
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if portGroup in p.key:
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vlanId = str(p.spec.vlanId)
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vSwitch = str(p.spec.vswitchName)
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if portGroup is None:
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portGroup = ''
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if vlanId is None:
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vlanId = ''
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vmHostName = None
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vmClusterName = None
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try:
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vmHostName = vm.runtime.host.name
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except AttributeError:
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vmHostName = ''
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try:
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vmClusterName = vm.runtime.host.parent.name
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except AttributeError:
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vmClusterName = ''
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add_network(portGroup, vlanId, isolatedPvlanType, isolatedPvlan, vSwitch, vm.name, dev.deviceInfo.label, dev.macAddress, vmClusterName, vmHostName)
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log_message('\t\t' + dev.deviceInfo.label + '->' + dev.macAddress +
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' @ ' + vSwitch + '->' + portGroup +
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' (VLAN ' + vlanId + ')')
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except AttributeError:
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log_message('\tError: Unable retrieve details for ' + vm.name)
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def add_network(portGroup, vlanId, isolatedPvlanType, isolatedPvlan, vSwitch, vmName, vmDeviceLabel, vmMacAddress, vmClusterName, vmHostName):
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key = vSwitch + '->' + portGroup + ' (VLAN ' + vlanId + ')'
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device = {"label": vmDeviceLabel, "macaddress": vmMacAddress}
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vm = {"name":vmName, "device": device}
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if key in networksDict:
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network = networksDict[key]
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network["virtualmachines"].append(vm)
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networksDict[key] = network
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else:
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vms = [vm]
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try:
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host = pgHostNameDict[portGroup]
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except KeyError:
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host = vmHostName
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try:
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cluster = hostClusterNameDict[host]
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except KeyError:
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cluster = vmClusterName
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network = {"portgroup": portGroup, "cluster": cluster, "host": host, "switch": vSwitch, "virtualmachines": vms}
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if vlanId != '':
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network["vlanid"] = vlanId
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if isolatedPvlan is not None:
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network["isolatedpvlan"] = isolatedPvlan
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if isolatedPvlanType is not None:
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network["isolatedpvlantype"] = isolatedPvlanType
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networksDict[key] = network
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def get_args():
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parser = argparse.ArgumentParser(
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description='Arguments for talking to vCenter')
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parser.add_argument('-s', '--host',
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required=True,
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action='store',
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help='vSpehre service to connect to')
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parser.add_argument('-o', '--port',
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type=int,
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default=443,
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action='store',
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help='Port to connect on')
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parser.add_argument('-u', '--user',
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required=True,
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action='store',
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help='User name to use')
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parser.add_argument('-p', '--password',
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required=False,
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action='store',
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help='Password to use')
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parser.add_argument('-c', '--cluster',
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required=False,
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action='store',
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help='Cluster for which discover networks')
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parser.add_argument('-S', '--disable_ssl_verification',
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required=False,
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action='store_true',
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help='Disable ssl host certificate verification')
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parser.add_argument('-d', '--debug',
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required=False,
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action='store_true',
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help='Debug log messages')
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args = parser.parse_args()
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return args
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def main():
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global content, isDebugLogs, hostClusterNameDict, pgHostNameDict, networksDict
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args = get_args()
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if args.password:
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password = args.password
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else:
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password = getpass.getpass(prompt='Enter password for host %s and '
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'user %s: ' % (args.host, args.user))
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if args.debug:
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isDebugLogs = True
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if args.disable_ssl_verification:
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serviceInstance = SmartConnectNoSSL(host=args.host,
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user=args.user,
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pwd=password,
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port=int(args.port))
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else:
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serviceInstance = SmartConnect(host=args.host,
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user=args.user,
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pwd=password,
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port=int(args.port))
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atexit.register(Disconnect, serviceInstance)
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content = serviceInstance.RetrieveContent()
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if args.cluster:
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clusters = get_clusters(content, args.cluster)
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else:
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clusters = get_clusters(content)
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hosts = []
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if len(clusters) > 0:
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hosts = get_vm_hosts(clusters)
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if len(hosts) > 0:
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hostPgDict = get_hosts_port_groups(hosts)
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vms = get_vms(content)
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log_message('\t{} VM(s) found'.format(len(vms)))
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for vm in vms:
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get_vm_info(vm, hostPgDict)
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networks = list(networksDict.values())
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response = {"count": len(networks), "networks": networks}
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print(json.dumps(response, indent=2, sort_keys=True))
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# Main section
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if __name__ == "__main__":
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sys.exit(main())
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