ok, so this script helped me a lot to understand the basics for make queries to the vsphere api through pyvmomi, have fun with it :smileygrin:
import pyVmomi
import argparse
import atexit
import itertools
from pyVim import connect
from pyVmomi import vim, vmodl
from pyVim.connect import SmartConnect, Disconnect
import humanize
MBFACTOR = float(1 << 20)
printVM = True
printDatastore = True
printHost = True
def GetArgs():
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 printHostInformation(host):
try:
summary = host.summary
stats = summary.quickStats
hardware = host.hardware
cpuCapacityMhz = (host.hardware.cpuInfo.hz * host.hardware.cpuInfo.numCpuCores) / 1000 / 1000
cpuUsage = stats.overallCpuUsage
memoryCapacity = hardware.memorySize
memoryCapacityInMB = hardware.memorySize/MBFACTOR
memoryUsage = stats.overallMemoryUsage
freeMemoryPercentage = 100 - (
(float(memoryUsage) / memoryCapacityInMB) * 100
)
print "--------------------------------------------------"
print "Host name: ", host.name
print "Host CPU capacity: ", cpuCapacityMhz, " Mhz"
print "Host CPU usage: ", cpuUsage
print "Host memory capacity: ", humanize.naturalsize(memoryCapacity,
binary=True)
print "Host memory usage: ", memoryUsage / 1024, "GiB"
print "Free memory percentage: " + str(freeMemoryPercentage) + "%"
print "--------------------------------------------------"
except Exception as error:
print "Unable to access information for host: ", host.name
print error
pass
def printComputeResourceInformation(computeResource):
try:
hostList = computeResource.host
for host in hostList:
printHostInformation(host)
except Exception as error:
print "Unable to access information for compute resource: ",
computeResource.name
print error
pass
def printDatastoreInformation(datastore):
try:
summary = datastore.summary
capacity = summary.capacity
freeSpace = summary.freeSpace
uncommittedSpace = summary.uncommitted
freeSpacePercentage = (float(freeSpace) / capacity) * 100
print "##################################################"
print "Datastore name: ", summary.name
print "Capacity: ", humanize.naturalsize(capacity, binary=True)
if uncommittedSpace is not None:
provisionedSpace = (capacity - freeSpace) + uncommittedSpace
print "Provisioned space: ", humanize.naturalsize(provisionedSpace,
binary=True)
print "Free space: ", humanize.naturalsize(freeSpace, binary=True)
print "Free space percentage: " + str(freeSpacePercentage) + "%"
print "##################################################"
except Exception as error:
print "Unable to access summary for datastore: ", datastore.name
print error
pass
def main():
args = GetArgs()
try:
si = connect.ConnectNoSSL(args.host, 443, args.user, args.password)
atexit.register(Disconnect, si)
content = si.RetrieveContent()
for datacenter in content.rootFolder.childEntity:
print "##################################################"
print "##################################################"
print "### datacenter : " + datacenter.name
print "##################################################"
if printDatastore:
datastores = datacenter.datastore
for ds in datastores:
printDatastoreInformation(ds)
if printHost:
if hasattr(datacenter.vmFolder, 'childEntity'):
hostFolder = datacenter.hostFolder
computeResourceList = hostFolder.childEntity
for computeResource in computeResourceList:
printComputeResourceInformation(computeResource)
except vmodl.MethodFault as error:
print "Caught vmodl fault : " + error.msg
return -1
return 0
if __name__ == "__main__":
main()
I cut some lines that doesn't matter to me. I am working at an check plugin for esxi servers with an output to icinga2
