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Azure Module Guidelines
Note: This section is still under development
- options structure should be as flat as possible, preferably only 2 levels
- option names should follow python_case
- choice option names should follow python_case
- resource name option should always be name not xxx_name (adding alias is allowed)
- location option should be optional, if not specified, should be taken from the resource group
- tags option should be implemented if resource supports tags
- modules should support check_mode
Return values should include only minimal information:
- resource id
- any specific information allocated by the service that is important for the user
- modules should be idempotent -- calling with the same options should not result in any change
- there may be some exceptions, for instance passwords, when they can't be compared ith existing passwords. When password option is not specified, it should be ommited in idempotence check. Specifying password should cause update.
- create resource
- create resource again with the same parameters, make sure no change was recorded
- create resource again with different parameters, make sure proper changes were made and change was recorded
- delete resource, make sure change was recorded
- delete unexising resource, make sure no change was recorder
- every field that should be idempotent shall be tested using check_mode
- single udpate test should be done with changes to all fields to check if they were updated correctly
Every facts module should at least contain following options. In most cases these options should be sufficient:
Option | Description | Optional |
---|---|---|
resource_group | Resource group name | YES |
name | Resource Name | YES |
tags | Tags that should be matched | YES |
Facts module should allow users to:
- query all the resources in a given subscription (if possible)
- query all the resources in a specific resource group (if possible)
- query specific resource instance
- filter resources by tags (if possible)
Return values should be a composite of:
- input of the main module
- structure should be preserved as closely as possible
- fields should be omitted only if impossible or difficult to retrieve
- additional read only fields assigned by the service, for instance:
- resource id field
- assigned ip_address
- any other fields that may be important to the user, like URLs etc.
Following rules should be followed:
- return structure should have as short name as possible, for instance servers
- return structure should always be a list of dictionaries, even when single resource is queried
- every dictionary should be as flat as possible, no deep structures
- field names should be in python_case rather than camelCase
- field values should be exactly the same as equivalent input values of the main module (preferably both python_case)
- return structure should always contain resource name
- return structure should always contain resource_group name
Return values should be structured as in following example:
servers:
- id: /subscriptions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxx/resourceGroups/TestGroup/providers/Microsoft.DBforPostgreSQL/servers/postgreabdud1223
resource_group: TestGroup
name: postgreabdud1223
location: eastus
sku:
name: GP_Gen4_2
tier: GeneralPurpose
capacity: 2
version: "9.6"
user_visible_state: Ready
fully_qualified_domain_name: postgreabdud1223.postgres.database.azure.com
Facts module should include full documentation of return value, as in following example:
RETURN = '''
servers:
description: A list of dictionaries containing facts for PostgreSQL servers.
returned: always
type: complex
contains:
id:
description:
- Resource ID
returned: always
type: str
sample: /subscriptions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxx/resourceGroups/TestGroup/providers/Microsoft.DBforPostgreSQL/servers/postgreabdud1223
resource_group:
description:
- Resource group name.
returned: always
type: str
sample: TestGroup
name:
description:
- Resource name.
returned: always
type: str
sample: postgreabdud1223
location:
description:
- The location the resource resides in.
returned: always
type: str
sample: eastus
sku:
description:
- The SKU of the server.
returned: always
type: complex
contains:
name:
description:
- The name of the SKU
returned: always
type: str
sample: GP_Gen4_2
tier:
description:
- The tier of the particular SKU
returned: always
type: str
sample: GeneralPurpose
capacity:
description:
- The scale capacity.
returned: always
type: int
sample: 2
version:
description:
- Server version.
returned: always
type: str
sample: "9.6"
user_visible_state:
description:
- A state of a server that is visible to user.
returned: always
type: str
sample: Ready
fully_qualified_domain_name:
description:
- The fully qualified domain name of a server.
returned: always
type: str
sample: postgreabdud1223.postgres.database.azure.com
'''
Samples should include all possible combinations of input parameters showing how to:
- query all the resources of given type in an entire subscription
- query all the resources of given type in the resource group
- query specific resource
- filter resources by tags
Following rules should apply to tests:
- Do not create a separate test, add azure_rm_xx_facts tests to /test/integration/targets/azure_rm_xx module tests
- Remember to add azure_rm_xx_facts to /test/integration/targets/azure_rm_xx/aliases
- Do not create any additional instances of costly resources just to test facts - one is sufficient
- Test all possible parameter combinations
- Check if all expected return values are present in the structure
- Test if querying unexisting single instance fails correctly
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