azure_virtual_machine_data_disk resource

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Use this resource to ensure that a specific data disk attached to a machine has been created properly.

Availability

Installation

This resource is distributed along with Chef InSpec itself. You can use it automatically.

Version

This resource first became available in v2.0.16 of InSpec.

Syntax

The name of the resource group and machine are required to use this resource.

describe azure_virtual_machine_data_disk(group_name: 'InSpec-Azure', name: 'MyVM') do
  its('property') { should eq 'value' }
end

where:

  • MyVm is the name of the virtual machine as seen in Azure. (It is not the hostname of the machine)
  • InSpec-Azure is the name of the resource group that the machine is in.
  • property is a resource property
  • value is the expected output from the matcher

Examples

The following examples show to use this Chef InSpec audit resource.

Check that the first data disk is of the correct size

describe azure_virtual_machine_data_disk(group_name: 'InSpec-Azure', name: 'Linux-Internal-VM').where(number: 1) do
  its('size') { should cmp >= 15 }
end

Resource Parameters

  • group_name
  • name
  • apiversion

Parameter Examples

The options that can be passed to the resource are as follows.

group_name (required)

Use this parameter to define the Azure Resource Group to be tested.

describe azure_virtual_machine_data_disk(group_name: 'InSpec-Azure') do
    ...
end

name

Use this parameter to define the name of the Azure resource to test.

describe azure_virtual_machine_data_disk(group_name: 'InSpec-Azure', name: 'Windows-Internal-VM') do
    ...
end

apiversion

The API Version to use when querying the resource. Defaults to the latest version for the resource.

describe azure_virtual_machine_data_disk(group_name: 'InSpec-Azure', name: 'Windows-Internal-VM', apiversion: '2.0') do
    ...
end

These options can also be set using the environment variables:

  • AZURE_RESOURCE_GROUP_NAME
  • AZURE_RESOURCE_NAME
  • AZURE_RESOURCE_API_VERSION

When the options have been set as well as the environment variables, the environment variables take priority.

Filter Criteria

  • number
  • disk

Filter Examples

disk

The zero based index of the disk attached to the machine.

describe azure_virtual_machine_data_disk(group_name: 'InSpec-Azure', name: 'Windows-Internal-VM').where(disk: 0)
end

number

The ‘1’ based index of the disk attached to the machine.

describe azure_virtual_machine_data_disk(group_name: 'InSpec-Azure', name: 'Windows-Internal-VM').where(number: 1)
end

Properties

  • count, disk, number, name, size, lun, caching, create_option, is_managed_disk?, vhd_uri, storage_account_name, storage_account_type, id, subscription_id, resource_group

Property Examples

count

Returns the number of data disks attached to the machine

its('count') { should eq 1 }

name

Returns a string of the name of the disk.

its('name') { should cmp 'linux-external-datadisk-1' }

size

Returns an integer of size of this disk in GB.

its('size') { should cmp >= 15 }

lun

The disk number as reported by Azure. Has a zero-based index value.

its('lun') { should cmp 0 }

caching

String stating the caching that has been set on the disk.

its('caching') { should cmp 'none' }

create_option

How the disk was created. Typically for data disks, this will be the string value ‘Empty’.

its('create_option') { should cmp 'Empty' }

is_managed_disk?

Boolean stating if the disk is a managed disk or not. If it is not a managed disk then it is one that is stored in a Storage Account.

its('is_managed_disk?') { should cmp 'false' }

vhd_uri

If this is not a managed disk, then the vhd_uri will be the full URI to the disk in the storage account.

its('vhd_uri') { should cmp 'https://primary_storage.blob.core.windows.net/container_name/vm_name.vhd' }

storage_account_name

If this is not a managed disk this will be the storage account name in which the disk is stored.

This derived from the vhd_uri.

its('storage_account_name') { should cmp 'primary_storage' }

storage_account_type

If this is a managed disk this is the storage account type, e.g. Standard_LRS.

its('storage_account_type') { should cmp 'Standard_LRS' }

id

If this is a managed disk then this is the fully qualified id for the disk in Azure.

its('id') { should cmp '/subscriptions/1234abcd-e567-890f-g123-456h78i9jkl0/resourceGroups/InSpec-Azure' }

subscription_id

If this is a managed disk, this returns the subscription id of where the disk is stored.

This is derived from the id.

its('subscription_id') { should cmp '1234abcd-e567-890f-g123-456h78i9jkl0' }

resource_group

If this is a managed disk, this returns the resource group in which the disk is stored.

This is derived from the id.

its('resource_group') { should cmp 'InSpec-Azure' }

## Matchers

This Chef InSpec audit resource has the following special matchers. For a full list of available matchers, please visit our matchers page.

The following properties are applied to the virtual machine itself and not specific disks.

have_data_disks

Returns a boolean denoting if any data disks are attached to the machine.

it { should have_data_disks }

have_managed_disks

Returns a boolean stating if the machine has Managed Disks for data disks.

it { should have_managed_disks }

References

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https://docs.chef.io/inspec/resources/azure_virtual_machine_data_disk/