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vsphere-automation-sdk-python/vsphere/samples/vcenter/vm/hardware/memory.py
2017-01-16 21:24:30 -08:00

121 lines
4.0 KiB
Python

#!/usr/bin/env python
"""
* *******************************************************
* Copyright (c) VMware, Inc. 2016. All Rights Reserved.
* *******************************************************
*
* 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.
"""
from com.vmware.vcenter.vm.hardware_client import Memory
from vsphere.samples.common import vapiconnect
from vsphere.samples.common.sample_util import parse_cli_args_vm
from vsphere.samples.common.sample_util import pp
from vsphere.samples.vcenter.helper.vm_helper import get_vm
from vsphere.samples.vcenter.setup import testbed
"""
Demonstrates how to configure the memory related settings of a virtual machine.
Sample Prerequisites:
The sample needs an existing VM.
"""
vm = None
vm_name = None
stub_config = None
memory_svc = None
cleardata = False
orig_memory_info = None
def setup(context=None):
global vm, vm_name, stub_config, cleardata
if context:
# Run sample suite via setup script
stub_config = context.stub_config
vm_name = testbed.config['VM_NAME_DEFAULT']
else:
# Run sample in standalone mode
server, username, password, cleardata, skip_verification, vm_name = \
parse_cli_args_vm(testbed.config['VM_NAME_DEFAULT'])
stub_config = vapiconnect.connect(server,
username,
password,
skip_verification)
def run():
global vm
vm = get_vm(stub_config, vm_name)
if not vm:
exit('Sample requires an existing vm with name ({}). '
'Please create the vm first.'.format(vm_name))
print("Using VM '{}' ({}) for Memory Sample".format(vm_name, vm))
# Create Memory stub used for making requests
global memory_svc
memory_svc = Memory(stub_config)
print('\n# Example: Get current Memory configuration')
memory_info = memory_svc.get(vm)
print('vm.hardware.Memory.get({}) -> {}'.format(vm, pp(memory_info)))
# Save current Memory info to verify that we have cleaned up properly
global orig_memory_info
orig_memory_info = memory_info
print('\n# Example: Update memory size_mib field of Memory configuration')
update_spec = Memory.UpdateSpec(size_mib=8 * 1024)
print('vm.hardware.Memory.update({}, {})'.format(vm, update_spec))
memory_svc.update(vm, update_spec)
# Get new Memory configuration
memory_info = memory_svc.get(vm)
print('vm.hardware.Memory.get({}) -> {}'.format(vm, pp(memory_info)))
print('\n# Example: Update hot_add_enabled field of Memory configuration')
update_spec = Memory.UpdateSpec(hot_add_enabled=True)
print('vm.hardware.Memory.update({}, {})'.format(vm, update_spec))
memory_svc.update(vm, update_spec)
# Get new Memory configuration
memory_info = memory_svc.get(vm)
print('vm.hardware.Memory.get({}) -> {}'.format(vm, pp(memory_info)))
def cleanup():
print('\n# Cleanup: Revert Memory configuration')
update_spec = Memory.UpdateSpec(size_mib=orig_memory_info.size_mib,
hot_add_enabled=orig_memory_info.
hot_add_enabled)
print('vm.hardware.Memory.update({}, {})'.format(vm, update_spec))
memory_svc.update(vm, update_spec)
# Get final Memory configuration
memory_info = memory_svc.get(vm)
print('vm.hardware.Memory.get({}) -> {}'.format(vm, pp(memory_info)))
if memory_info != orig_memory_info:
print('vm.hardware.Memory WARNING: '
'Final Memory info does not match original')
def main():
try:
setup()
run()
if cleardata:
cleanup()
finally:
if stub_config:
vapiconnect.logout(stub_config)
if __name__ == '__main__':
main()