# azure_rm_subnet – Manage Azure subnets

- Synopsis
- Requirements
- Parameters
- Notes
- See Also
- Examples
- Return Values
- Status

## Synopsis

- Create, update or delete a subnet within a given virtual network.
- Allows setting and updating the address prefix CIDR, which must be valid within the context of the virtual network.
- Use the azure_rm_networkinterface module to associate interfaces with the subnet and assign specific IP addresses.

## Requirements

The below requirements are needed on the host that executes this module.

- python >= 2.7
- azure >= 2.0.0

## Parameters

Parameter | Choices/Defaults | Comments
--- | --- | ---
ad_user string |  | Active Directory username. Use when authenticating with an Active Directory user rather than service principal.
address_prefix_cidr - |  | CIDR defining the IPv4 address space of the subnet. Must be valid within the context of the virtual network. aliases: address_prefix
adfs_authority_url string added in 2.6 |  | Azure AD authority url. Use when authenticating with Username/password, and has your own ADFS authority.
api_profile string added in 2.5 | Default: "latest" | Selects an API profile to use when communicating with Azure services. Default value of `latest` is appropriate for public clouds; future values will allow use with Azure Stack.

auth_source
string
added in 2.5

Choices:
- auto
- cli
- credential_file
- env
- msi

Controls the source of the credentials to use for authentication.
If not specified, ANSIBLE_AZURE_AUTH_SOURCE environment variable will be used and default to `auto` if variable is not defined.
`auto` will follow the default precedence of module parameters -> environment variables -> default profile in credential file `~/.azure/credentials`.
When set to `cli`, the credentials will be sources from the default Azure CLI profile.
Can also be set via the `ANSIBLE_AZURE_AUTH_SOURCE` environment variable.
When set to `msi`, the host machine must be an azure resource with an enabled MSI extension. `subscription_id` or the environment variable `AZURE_SUBSCRIPTION_ID` can be used to identify the subscription ID if the resource is granted access to more than one subscription, otherwise the first subscription is chosen.
The `msi` was added in Ansible 2.6.

cert_validation_mode
string
added in 2.5

Choices:
- ignore
- validate

Controls the certificate validation behavior for Azure endpoints. By default, all modules will validate the server certificate, but when an HTTPS proxy is in use, or against Azure Stack, it may be necessary to disable this behavior by passing `ignore`. Can also be set via credential file profile or the `AZURE_CERT_VALIDATION` environment variable.

client_id string |  | Azure client ID. Use when authenticating with a Service Principal.
cloud_environment string added in 2.4 | Default: "AzureCloud" | For cloud environments other than the US public cloud, the environment name (as defined by Azure Python SDK, eg, `AzureChinaCloud`, `AzureUSGovernment`), or a metadata discovery endpoint URL (required for Azure Stack). Can also be set via credential file profile or the `AZURE_CLOUD_ENVIRONMENT` environment variable.
name - / required |  | Name of the subnet.
password string |  | Active Directory user password. Use when authenticating with an Active Directory user rather than service principal.
profile string |  | Security profile found in ~/.azure/credentials file.
resource_group - / required |  | Name of resource group.
route_table - added in 2.7 |  | The reference of the RouteTable resource. Can be the name or resource ID of the route table. Can be a dict containing the name and resource_group of the route table.
secret string |  | Azure client secret. Use when authenticating with a Service Principal.
security_group - |  | Existing security group with which to associate the subnet. It can be the security group name which is in the same resource group. Can be the resource ID of the security group. Can be a dict containing the name and resource_group of the security group. aliases: security_group_name
service_endpoints list added in 2.8 |  | An array of service endpoints.
| locations list |  | A list of locations.
| service - / required |  | The type of the endpoint service.

state
-

Choices:
- absent
- present ←

Assert the state of the subnet. Use `present` to create or update a subnet and use `absent` to delete a subnet.

subscription_id string |  | Your Azure subscription Id.
tenant string |  | Azure tenant ID. Use when authenticating with a Service Principal.
virtual_network_name - / required |  | Name of an existing virtual network with which the subnet is or will be associated. aliases: virtual_network

## Notes

Note

- For authentication with Azure you can pass parameters, set environment variables, use a profile stored in ~/.azure/credentials, or log in before you run your tasks or playbook with `az login`.
- Authentication is also possible using a service principal or Active Directory user.
- To authenticate via service principal, pass subscription_id, client_id, secret and tenant or set environment variables AZURE_SUBSCRIPTION_ID, AZURE_CLIENT_ID, AZURE_SECRET and AZURE_TENANT.
- To authenticate via Active Directory user, pass ad_user and password, or set AZURE_AD_USER and AZURE_PASSWORD in the environment.
- Alternatively, credentials can be stored in ~/.azure/credentials. This is an ini file containing a [default] section and the following keys: subscription_id, client_id, secret and tenant or subscription_id, ad_user and password. It is also possible to add additional profiles. Specify the profile by passing profile or setting AZURE_PROFILE in the environment.

## See Also

See also

Sign in with Azure CLI
  How to authenticate using the `az login` command.

## Examples

    - name: Create a subnet
      azure_rm_subnet:
        resource_group: myResourceGroup
        virtual_network_name: myVirtualNetwork
        name: mySubnet
        address_prefix_cidr: "10.1.0.0/24"

    - name: Create a subnet refer nsg from other resource group
      azure_rm_subnet:
        resource_group: myResourceGroup
        virtual_network_name: myVirtualNetwork
        name: mySubnet
        address_prefix_cidr: "10.1.0.0/16"
        security_group:
          name: secgroupfoo
          resource_group: mySecondResourceGroup
        route_table: route

    - name: Delete a subnet
      azure_rm_subnet:
        resource_group: myResourceGroup
        virtual_network_name: myVirtualNetwork
        name: mySubnet
        state: absent

## Return Values

Common return values are documented here, the following are the fields unique to this module:

Key | Returned | Description
--- | --- | ---
state complex | success | Current state of the subnet.
| address_prefix string | always | IP address CIDR. Sample: 10.1.0.0/16
| id string | always | Subnet resource path. Sample: /subscriptions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/resourceGroup/myResourceGroup/providers/Microsoft.Network/virtualNetworks/myVirtualNetwork/subnets/mySubnet
| name string | always | Subnet name. Sample: foobar
| network_security_group complex | always | Associated network security group of subnets.
|  | id string | always | Security group resource identifier. Sample: /subscriptions/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/resourceGroup/myResourceGroup/providers/Microsoft.Network/networkSecurityGroups/secgroupfoo
|  | name string | always | Name of the security group. Sample: secgroupfoo
| provisioning_state string | always | Success or failure of the provisioning event. Sample: Succeeded

## Status

- This module is not guaranteed to have a backwards compatible interface. [preview]
- This module is maintained by the Ansible Community. [community]

### Authors

- Chris Houseknecht (@chouseknecht)
- Matt Davis (@nitzmahone)

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