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390 lines
13 KiB
Python
390 lines
13 KiB
Python
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#!/usr/bin/python
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#
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# Copyright (c) 2017 Bruno Medina Bolanos Cacho <bruno.medina@microsoft.com>
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#
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = '''
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---
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module: azure_rm_managed_disk
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version_added: "2.4"
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short_description: Manage Azure Manage Disks
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description:
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- Create, update and delete an Azure Managed Disk
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options:
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resource_group:
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description:
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- Name of a resource group where the managed disk exists or will be created.
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required: true
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name:
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description:
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- Name of the managed disk.
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required: true
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state:
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description:
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- Assert the state of the managed disk. Use C(present) to create or update a managed disk and 'absent' to delete a managed disk.
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default: present
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choices:
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- absent
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- present
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location:
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description:
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- Valid Azure location. Defaults to location of the resource group.
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storage_account_type:
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description:
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- "Type of storage for the managed disk: C(Standard_LRS) or C(Premium_LRS). If not specified the disk is created C(Standard_LRS)."
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choices:
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- Standard_LRS
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- Premium_LRS
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create_option:
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description:
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- "Allowed values: empty, import, copy. C(import) from a VHD file in I(source_uri) and C(copy) from previous managed disk I(source_resource_uri)."
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choices:
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- empty
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- import
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- copy
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source_uri:
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description:
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- URI to a valid VHD file to be used when I(create_option) is C(import).
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source_resource_uri:
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description:
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- The resource ID of the managed disk to copy when I(create_option) is C(copy).
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os_type:
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description:
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- "Type of Operating System: C(linux) or C(windows). Used when I(create_option) is either C(copy) or C(import) and the source is an OS disk."
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choices:
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- linux
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- windows
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disk_size_gb:
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description:
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- Size in GB of the managed disk to be created. If I(create_option) is C(copy) then the value must be greater than or equal to the source's size.
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managed_by:
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description:
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- Name of an existing virtual machine with which the disk is or will be associated, this VM should be in the same resource group.
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- To detach a disk from a vm, keep undefined.
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version_added: 2.5
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tags:
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description:
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- Tags to assign to the managed disk.
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extends_documentation_fragment:
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- azure
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- azure_tags
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author:
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- "Bruno Medina (@brusMX)"
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'''
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EXAMPLES = '''
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- name: Create managed disk
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azure_rm_managed_disk:
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name: mymanageddisk
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location: eastus
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resource_group: Testing
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disk_size_gb: 4
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- name: Mount the managed disk to VM
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azure_rm_managed_disk:
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name: mymanageddisk
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location: eastus
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resource_group: Testing
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disk_size_gb: 4
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managed_by: testvm001
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- name: Unmount the managed disk to VM
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azure_rm_managed_disk:
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name: mymanageddisk
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location: eastus
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resource_group: Testing
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disk_size_gb: 4
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- name: Delete managed disk
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azure_rm_manage_disk:
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name: mymanageddisk
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location: eastus
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resource_group: Testing
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state: absent
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'''
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RETURN = '''
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id:
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description: The managed disk resource ID.
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returned: always
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type: dict
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state:
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description: Current state of the managed disk
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returned: always
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type: dict
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changed:
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description: Whether or not the resource has changed
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returned: always
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type: bool
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'''
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import re
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from ansible.module_utils.azure_rm_common import AzureRMModuleBase
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try:
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from msrestazure.tools import parse_resource_id
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from msrestazure.azure_exceptions import CloudError
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except ImportError:
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# This is handled in azure_rm_common
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pass
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def managed_disk_to_dict(managed_disk):
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create_data = managed_disk.creation_data
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return dict(
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id=managed_disk.id,
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name=managed_disk.name,
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location=managed_disk.location,
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tags=managed_disk.tags,
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create_option=create_data.create_option.value.lower(),
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source_uri=create_data.source_uri,
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source_resource_uri=create_data.source_resource_id,
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disk_size_gb=managed_disk.disk_size_gb,
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os_type=managed_disk.os_type.value if managed_disk.os_type else None,
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storage_account_type=managed_disk.sku.name.value,
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managed_by=managed_disk.managed_by
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)
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class AzureRMManagedDisk(AzureRMModuleBase):
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"""Configuration class for an Azure RM Managed Disk resource"""
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def __init__(self):
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self.module_arg_spec = dict(
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resource_group=dict(
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type='str',
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required=True
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),
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name=dict(
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type='str',
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required=True
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),
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state=dict(
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type='str',
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default='present',
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choices=['present', 'absent']
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),
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location=dict(
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type='str'
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),
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storage_account_type=dict(
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type='str',
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choices=['Standard_LRS', 'Premium_LRS']
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),
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create_option=dict(
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type='str',
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choices=['empty', 'import', 'copy']
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),
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source_uri=dict(
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type='str'
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),
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source_resource_uri=dict(
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type='str'
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),
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os_type=dict(
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type='str',
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choices=['linux', 'windows']
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),
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disk_size_gb=dict(
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type='int'
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),
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managed_by=dict(
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type='str'
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)
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)
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required_if = [
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('create_option', 'import', ['source_uri']),
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('create_option', 'copy', ['source_resource_uri']),
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('create_option', 'empty', ['disk_size_gb'])
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]
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self.results = dict(
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changed=False,
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state=dict())
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self.resource_group = None
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self.name = None
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self.location = None
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self.storage_account_type = None
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self.create_option = None
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self.source_uri = None
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self.source_resource_uri = None
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self.os_type = None
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self.disk_size_gb = None
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self.tags = None
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self.managed_by = None
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super(AzureRMManagedDisk, self).__init__(
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derived_arg_spec=self.module_arg_spec,
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required_if=required_if,
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supports_check_mode=True,
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supports_tags=True)
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def exec_module(self, **kwargs):
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"""Main module execution method"""
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for key in list(self.module_arg_spec.keys()) + ['tags']:
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setattr(self, key, kwargs[key])
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result = None
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changed = False
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resource_group = self.get_resource_group(self.resource_group)
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if not self.location:
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self.location = resource_group.location
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disk_instance = self.get_managed_disk()
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result = disk_instance
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# need create or update
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if self.state == 'present':
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parameter = self.generate_managed_disk_property()
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if not disk_instance or self.is_different(disk_instance, parameter):
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changed = True
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if not self.check_mode:
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result = self.create_or_update_managed_disk(parameter)
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else:
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result = True
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# unmount from the old virtual machine and mount to the new virtual machine
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vm_name = parse_resource_id(disk_instance.get('managed_by', '')).get('name') if disk_instance else None
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if self.managed_by != vm_name:
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changed = True
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if not self.check_mode:
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if vm_name:
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self.detach(vm_name, result)
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if self.managed_by:
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self.attach(self.managed_by, result)
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result = self.get_managed_disk()
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if self.state == 'absent' and disk_instance:
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changed = True
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if not self.check_mode:
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self.delete_managed_disk()
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result = True
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self.results['changed'] = changed
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self.results['state'] = result
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return self.results
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def attach(self, vm_name, disk):
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vm = self._get_vm(vm_name)
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# find the lun
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luns = ([d.lun for d in vm.storage_profile.data_disks]
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if vm.storage_profile.data_disks else [])
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lun = max(luns) + 1 if luns else 0
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# prepare the data disk
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params = self.compute_models.ManagedDiskParameters(id=disk.get('id'), storage_account_type=disk.get('storage_account_type'))
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data_disk = self.compute_models.DataDisk(lun, self.compute_models.DiskCreateOptionTypes.attach, managed_disk=params)
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vm.storage_profile.data_disks.append(data_disk)
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self._update_vm(vm_name, vm)
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def detach(self, vm_name, disk):
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vm = self._get_vm(vm_name)
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leftovers = [d for d in vm.storage_profile.data_disks if d.name.lower() != disk.get('name').lower()]
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if len(vm.storage_profile.data_disks) == len(leftovers):
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self.fail("No disk with the name '{0}' was found".format(disk.get('name')))
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vm.storage_profile.data_disks = leftovers
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self._update_vm(vm_name, vm)
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def _update_vm(self, name, params):
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try:
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poller = self.compute_client.virtual_machines.create_or_update(self.resource_group, name, params)
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self.get_poller_result(poller)
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except Exception as exc:
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self.fail("Error updating virtual machine {0} - {1}".format(name, str(exc)))
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def _get_vm(self, name):
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try:
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return self.compute_client.virtual_machines.get(self.resource_group, name, expand='instanceview')
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except Exception as exc:
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self.fail("Error getting virtual machine {0} - {1}".format(name, str(exc)))
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def generate_managed_disk_property(self):
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disk_params = {}
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creation_data = {}
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disk_params['location'] = self.location
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disk_params['tags'] = self.tags
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if self.storage_account_type:
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storage_account_type = self.compute_models.DiskSku(self.storage_account_type)
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disk_params['sku'] = storage_account_type
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disk_params['disk_size_gb'] = self.disk_size_gb
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# TODO: Add support for EncryptionSettings
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creation_data['create_option'] = self.compute_models.DiskCreateOption.empty
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if self.create_option == 'import':
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creation_data['create_option'] = self.compute_models.DiskCreateOption.import_enum
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creation_data['source_uri'] = self.source_uri
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elif self.create_option == 'copy':
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creation_data['create_option'] = self.compute_models.DiskCreateOption.copy
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creation_data['source_resource_id'] = self.source_resource_uri
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disk_params['creation_data'] = creation_data
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return disk_params
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def create_or_update_managed_disk(self, parameter):
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try:
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poller = self.compute_client.disks.create_or_update(
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self.resource_group,
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self.name,
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parameter)
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aux = self.get_poller_result(poller)
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return managed_disk_to_dict(aux)
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except CloudError as e:
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self.fail("Error creating the managed disk: {0}".format(str(e)))
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# This method accounts for the difference in structure between the
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# Azure retrieved disk and the parameters for the new disk to be created.
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def is_different(self, found_disk, new_disk):
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resp = False
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if new_disk.get('disk_size_gb'):
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if not found_disk['disk_size_gb'] == new_disk['disk_size_gb']:
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resp = True
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if new_disk.get('sku'):
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if not found_disk['storage_account_type'] == new_disk['sku'].name:
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resp = True
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# Check how to implement tags
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if new_disk.get('tags') is not None:
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if not found_disk['tags'] == new_disk['tags']:
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resp = True
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return resp
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def delete_managed_disk(self):
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try:
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poller = self.compute_client.disks.delete(
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self.resource_group,
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self.name)
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return self.get_poller_result(poller)
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except CloudError as e:
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self.fail("Error deleting the managed disk: {0}".format(str(e)))
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def get_managed_disk(self):
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try:
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resp = self.compute_client.disks.get(
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self.resource_group,
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self.name)
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return managed_disk_to_dict(resp)
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except CloudError as e:
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self.log('Did not find managed disk')
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def main():
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"""Main execution"""
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AzureRMManagedDisk()
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if __name__ == '__main__':
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main()
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