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vsphere-automation-sdk-python/samples/vsphere/vcenter/vstats/data/query_data_points.py
Kunal Singh 8ec4076f9c Libraries and Samples for VMC M9 release
Signed-off-by: Kunal Singh<singhk@vmware.com>
2020-01-27 15:32:36 +05:30

123 lines
4.2 KiB
Python

#!/usr/bin/env python
"""
* *******************************************************
* Copyright (c) VMware, Inc. 2020. All Rights Reserved.
* SPDX-License-Identifier: MIT
* *******************************************************
*
* DISCLAIMER. THIS PROGRAM IS PROVIDED TO YOU "AS IS" WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, WHETHER ORAL OR WRITTEN,
* EXPRESS OR IMPLIED. THE AUTHOR SPECIFICALLY DISCLAIMS ANY IMPLIED
* WARRANTIES OR CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY,
* NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE.
"""
__author__ = 'VMware, Inc.'
__vcenter_version__ = '7.0+'
import random
import time
from com.vmware.vstats_client import AcqSpecs, CidMid, RsrcId, Data
from vmware.vapi.vsphere.client import create_vsphere_client
from samples.vsphere.common import sample_util
from samples.vsphere.common.ssl_helper import get_unverified_session
from samples.vsphere.vcenter.hcl.utils import get_configuration
from samples.vsphere.vcenter.vstats.helpers.sample_cli import parser
class SampleQueryDataPoints(object):
"""
Description: Demonstrates end to end workflow of vSphere Stats.
Step 1: Creation of an Acquisition Specification.
Step 2: Query for data points filtered by cid.
Sample Prerequisites:
vCenter 7.0x with 7.0x ESXi hosts.
"""
def __init__(self):
args = sample_util.process_cli_args(parser.parse_args())
self.interval = int(args.interval)
self.expiration = int(args.expiration)
stub_config = get_configuration(
args.server, args.username, args.password,
args.skipverification)
self.acq_specs_client = AcqSpecs(stub_config)
self.data_client = Data(stub_config)
session = get_unverified_session() if args.skipverification else None
self.vsphere_client = create_vsphere_client(
server=args.server, username=args.username,
password=args.password, session=session)
def run(self):
cid = "disk.throughput.usage.VM"
wait_time = 30
vm_type = "VM"
memo = "user definition of acquisition spec"
cid_mid_obj = CidMid(cid=cid)
counter_spec_obj = self.acq_specs_client.CounterSpec(
cid_mid=cid_mid_obj)
# Choose a random VM from which stats data needs to be collected.
vm_list = self.vsphere_client.vcenter.VM.list()
vm_obj = random.choice(vm_list)
vm_id = vm_obj.vm
rsrc_obj = RsrcId(id_value=vm_id, type=vm_type)
# Create an Acquisition Specification for VM counter.
acq_spec_obj = self.acq_specs_client.CreateSpec(
counters=counter_spec_obj,
resources=[rsrc_obj],
interval=self.interval,
expiration=self.expiration,
memo_=memo
)
acq_spec_id = self.acq_specs_client.create(acq_spec_obj)
SampleQueryDataPoints.print_output(
"Acquisition Specification created with ID: " + acq_spec_id)
# Get the Acquisition Specification.
acq_spec_info = self.acq_specs_client.get(acq_spec_id)
SampleQueryDataPoints.print_output(
"Details of Acquisition Specification with ID " + acq_spec_id,
acq_spec_info)
# Wait for 30 seconds for data collection to happen.
time.sleep(wait_time)
# Query for data points filtered by cid.
filter_spec = self.data_client.FilterSpec(cid=cid)
data_points = self.data_client.query_data_points(filter=filter_spec)
SampleQueryDataPoints.print_output(
"Data Points collected", data_points)
# CleanUp.
# Delete the Acquisition Specification.
self.acq_specs_client.delete(acq_spec_id)
SampleQueryDataPoints.print_output(
"Acquisition Specification with ID: " + acq_spec_id +
" is deleted")
@staticmethod
def print_output(*argv):
print("------------------------------------")
for arg in argv:
print(arg)
def main():
"""
Entry point for the sample client.
"""
query_dp = SampleQueryDataPoints()
query_dp.run()
if __name__ == '__main__':
main()