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# bigip_gtm_pool – Manages F5 BIG-IP GTM pools

New in version 2.4.

- Synopsis
- Parameters
- Notes
- Examples
- Return Values
- Status

## Synopsis

- Manages F5 BIG-IP GTM pools.

## Parameters

Parameter | Choices/Defaults | Comments
--- | --- | ---
alternate_lb_method string | Choices: round-robin return-to-dns none ratio topology static-persistence global-availability virtual-server-capacity packet-rate drop-packet fallback-ip virtual-server-score | The load balancing mode that the system tries if the `preferred_lb_method` is unsuccessful in picking a pool.
availability_requirements dictionary added in 2.6 |  | Specifies, if you activate more than one health monitor, the number of health monitors that must receive successful responses in order for the link to be considered available.
| at_least integer |  | Specifies the minimum number of active health monitors that must be successful before the link is considered up. This parameter is only relevant when a `type` of `at_least` is used. This parameter will be ignored if a type of either `all` or `require` is used.
| number_of_probers integer |  | Specifies the number of probers that should be used when running probes. When creating a new virtual server, if this parameter is specified, then the `number_of_probes` parameter must also be specified. The value of this parameter should always be higher than, or equal to, the value of `number_of_probers`. This parameter is only relevant when a `type` of `require` is used. This parameter will be ignored if a type of either `all` or `at_least` is used.
| number_of_probes integer |  | Specifies the minimum number of probes that must succeed for this server to be declared up. When creating a new virtual server, if this parameter is specified, then the `number_of_probers` parameter must also be specified. The value of this parameter should always be lower than, or equal to, the value of `number_of_probers`. This parameter is only relevant when a `type` of `require` is used. This parameter will be ignored if a type of either `all` or `at_least` is used.
| type string | Choices: all at_least require | Monitor rule type when `monitors` is specified. When creating a new pool, if this value is not specified, the default of 'all' will be used.
fallback_ip string |  | Specifies the IPv4, or IPv6 address of the server to which the system directs requests when it cannot use one of its pools to do so. Note that the system uses the fallback IP only if you select the `fallback_ip` load balancing method.
fallback_lb_method string | Choices: round-robin return-to-dns ratio topology static-persistence global-availability virtual-server-capacity least-connections lowest-round-trip-time fewest-hops packet-rate cpu completion-rate quality-of-service kilobytes-per-second drop-packet fallback-ip virtual-server-score none | The load balancing mode that the system tries if both the `preferred_lb_method` and `alternate_lb_method`s are unsuccessful in picking a pool.
max_answers_returned integer added in 2.8 |  | Specifies the maximum number of available virtual servers that the system lists in a response. The maximum is 500.
members list added in 2.6 |  | Members to assign to the pool. The order of the members in this list is the order that they will be listed in the pool.
| server string / required |  | Name of the server which the pool member is a part of.
| virtual_server string / required |  | Name of the virtual server, associated with the server, that the pool member is a part of.
monitors list added in 2.6 |  | Specifies the health monitors that the system currently uses to monitor this resource. When `availability_requirements.type` is `require`, you may only have a single monitor in the `monitors` list.
name string / required |  | Name of the GTM pool.
partition string added in 2.5 | Default: "Common" | Device partition to manage resources on.
preferred_lb_method string | Choices: round-robin return-to-dns ratio topology static-persistence global-availability virtual-server-capacity least-connections lowest-round-trip-time fewest-hops packet-rate cpu completion-rate quality-of-service kilobytes-per-second drop-packet fallback-ip virtual-server-score | The load balancing mode that the system tries first.
provider dictionary added in 2.5 |  | A dict object containing connection details.
| auth_provider string |  | Configures the auth provider for to obtain authentication tokens from the remote device. This option is really used when working with BIG-IQ devices.
| password string / required |  | The password for the user account used to connect to the BIG-IP. You may omit this option by setting the environment variable `F5_PASSWORD`. aliases: pass, pwd
| server string / required |  | The BIG-IP host. You may omit this option by setting the environment variable `F5_SERVER`.
| server_port integer | Default: 443 | The BIG-IP server port. You may omit this option by setting the environment variable `F5_SERVER_PORT`.
| ssh_keyfile path |  | Specifies the SSH keyfile to use to authenticate the connection to the remote device. This argument is only used for cli transports. You may omit this option by setting the environment variable `ANSIBLE_NET_SSH_KEYFILE`.
| timeout integer |  | Specifies the timeout in seconds for communicating with the network device for either connecting or sending commands. If the timeout is exceeded before the operation is completed, the module will error.
| transport string | Choices: cli rest ← | Configures the transport connection to use when connecting to the remote device.
| user string / required |  | The username to connect to the BIG-IP with. This user must have administrative privileges on the device. You may omit this option by setting the environment variable `F5_USER`.
| validate_certs boolean | Choices: no yes ← | If `no`, SSL certificates are not validated. Use this only on personally controlled sites using self-signed certificates. You may omit this option by setting the environment variable `F5_VALIDATE_CERTS`.
state string | Choices: present ← absent enabled disabled | Pool state. When `present`, ensures that the pool is created and enabled. When `absent`, ensures that the pool is removed from the system. When `enabled` or `disabled`, ensures that the pool is enabled or disabled (respectively) on the remote device.
ttl integer added in 2.8 |  | Specifies the number of seconds that the IP address, once found, is valid.
type string | Choices: a aaaa cname mx naptr srv | The type of GTM pool that you want to create. On BIG-IP releases prior to version 12, this parameter is not required. On later versions of BIG-IP, this is a required parameter.

## Notes

Note

- Support for TMOS versions below v12.x has been deprecated for this module, and will be removed in Ansible 2.12.
- For more information on using Ansible to manage F5 Networks devices see https://www.ansible.com/integrations/networks/f5.
- Requires BIG-IP software version >= 12.
- The F5 modules only manipulate the running configuration of the F5 product. To ensure that BIG-IP specific configuration persists to disk, be sure to include at least one task that uses the bigip_config module to save the running configuration. Refer to the module’s documentation for the correct usage of the module to save your running configuration.

## Examples

    - name: Create a GTM pool
      bigip_gtm_pool:
        name: my_pool
        provider:
          user: admin
          password: secret
          server: lb.mydomain.com
      delegate_to: localhost

    - name: Disable pool
      bigip_gtm_pool:
        state: disabled
        name: my_pool
        provider:
          user: admin
          password: secret
          server: lb.mydomain.com
      delegate_to: localhost

## Return Values

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

Key | Returned | Description
--- | --- | ---
alternate_lb_method string | changed | New alternate load balancing method for the pool. Sample: drop-packet
fallback_ip string | changed | New fallback IP used when load balancing using the `fallback_ip` method. Sample: 10.10.10.10
fallback_lb_method string | changed | New fallback load balancing method for the pool. Sample: fewest-hops
max_answers_returned integer | changed | The new Maximum Answers Returned value. Sample: 25
members complex | changed | List of members in the pool.
| server string | changed | The name of the server portion of the member.
| virtual_server string | changed | The name of the virtual server portion of the member.
monitors list | changed | The new list of monitors for the resource. Sample: ['/Common/monitor1', '/Common/monitor2']
preferred_lb_method string | changed | New preferred load balancing method for the pool. Sample: topology

## Status

- This module is guaranteed to have backward compatible interface changes going forward. [stableinterface]
- This module is maintained by an Ansible Partner. [certified]

### Authors

- Tim Rupp (@caphrim007)
- Wojciech Wypior (@wojtek0806)

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