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127 lines
4.2 KiB
Python
127 lines
4.2 KiB
Python
#!/usr/bin/env python
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"""
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* *******************************************************
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* Copyright (c) VMware, Inc. 2016. All Rights Reserved.
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* SPDX-License-Identifier: MIT
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* *******************************************************
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*
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* DISCLAIMER. THIS PROGRAM IS PROVIDED TO YOU "AS IS" WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, WHETHER ORAL OR WRITTEN,
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* EXPRESS OR IMPLIED. THE AUTHOR SPECIFICALLY DISCLAIMS ANY IMPLIED
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* WARRANTIES OR CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY,
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* NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE.
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"""
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__author__ = 'VMware, Inc.'
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__copyright__ = 'Copyright 2016 VMware, Inc. All rights reserved.'
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__vcenter_version__ = '6.5+'
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import atexit
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from com.vmware.vcenter.vm.hardware_client import Memory
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from samples.vsphere.common import vapiconnect
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from samples.vsphere.common.sample_util import parse_cli_args_vm
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from samples.vsphere.common.sample_util import pp
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from samples.vsphere.vcenter.setup import testbed
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from samples.vsphere.vcenter.helper.vm_helper import get_vm
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"""
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Demonstrates how to configure the memory related settings of a virtual machine.
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Sample Prerequisites:
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The sample needs an existing VM.
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"""
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vm = None
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vm_name = None
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stub_config = None
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memory_svc = None
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cleardata = False
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orig_memory_info = None
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def setup(context=None):
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global vm, vm_name, stub_config, cleardata
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if context:
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# Run sample suite via setup script
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stub_config = context.stub_config
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vm_name = testbed.config['VM_NAME_DEFAULT']
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else:
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# Run sample in standalone mode
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server, username, password, cleardata, skip_verification, vm_name = \
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parse_cli_args_vm(testbed.config['VM_NAME_DEFAULT'])
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stub_config = vapiconnect.connect(server,
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username,
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password,
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skip_verification)
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atexit.register(vapiconnect.logout, stub_config)
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def run():
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global vm
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vm = get_vm(stub_config, vm_name)
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if not vm:
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raise Exception('Sample requires an existing vm with name ({}). '
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'Please create the vm first.'.format(vm_name))
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print("Using VM '{}' ({}) for Memory Sample".format(vm_name, vm))
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# Create Memory stub used for making requests
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global memory_svc
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memory_svc = Memory(stub_config)
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print('\n# Example: Get current Memory configuration')
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memory_info = memory_svc.get(vm)
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print('vm.hardware.Memory.get({}) -> {}'.format(vm, pp(memory_info)))
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# Save current Memory info to verify that we have cleaned up properly
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global orig_memory_info
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orig_memory_info = memory_info
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print('\n# Example: Update memory size_mib field of Memory configuration')
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update_spec = Memory.UpdateSpec(size_mib=8 * 1024)
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print('vm.hardware.Memory.update({}, {})'.format(vm, update_spec))
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memory_svc.update(vm, update_spec)
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# Get new Memory configuration
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memory_info = memory_svc.get(vm)
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print('vm.hardware.Memory.get({}) -> {}'.format(vm, pp(memory_info)))
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print('\n# Example: Update hot_add_enabled field of Memory configuration')
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update_spec = Memory.UpdateSpec(hot_add_enabled=True)
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print('vm.hardware.Memory.update({}, {})'.format(vm, update_spec))
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memory_svc.update(vm, update_spec)
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# Get new Memory configuration
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memory_info = memory_svc.get(vm)
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print('vm.hardware.Memory.get({}) -> {}'.format(vm, pp(memory_info)))
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def cleanup():
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print('\n# Cleanup: Revert Memory configuration')
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update_spec = Memory.UpdateSpec(size_mib=orig_memory_info.size_mib,
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hot_add_enabled=orig_memory_info.
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hot_add_enabled)
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print('vm.hardware.Memory.update({}, {})'.format(vm, update_spec))
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memory_svc.update(vm, update_spec)
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# Get final Memory configuration
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memory_info = memory_svc.get(vm)
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print('vm.hardware.Memory.get({}) -> {}'.format(vm, pp(memory_info)))
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if memory_info != orig_memory_info:
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print('vm.hardware.Memory WARNING: '
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'Final Memory info does not match original')
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def main():
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setup()
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run()
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if cleardata:
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cleanup()
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if __name__ == '__main__':
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main()
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