community.network.avi_pool – Module for setup of Pool Avi RESTful Object

Note

This plugin is part of the community.network collection (version 1.3.2).

To install it use: ansible-galaxy collection install community.network.

To use it in a playbook, specify: community.network.avi_pool.

Synopsis

• This module is used to configure Pool object

• more examples at https://github.com/avinetworks/devops

Requirements

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

• avisdk

Parameters

Parameter		Choices/Defaults	Comments
a_pool string			Name of container cloud application that constitutes a pool in a a-b pool configuration, if different from vs app. Field deprecated in 18.1.2.
ab_pool string			A/b pool configuration. Field deprecated in 18.1.2.
ab_priority string			Priority of this pool in a a-b pool pair. Internally used. Field deprecated in 18.1.2.
analytics_policy string			Determines analytics settings for the pool. Field introduced in 18.1.5, 18.2.1.
analytics_profile_ref string			Specifies settings related to analytics. It is a reference to an object of type analyticsprofile. Field introduced in 18.1.4,18.2.1.
api_context dictionary			Avi API context that includes current session ID and CSRF Token. This allows user to perform single login and re-use the session.
api_version string		Default: "16.4.4"	Avi API version of to use for Avi API and objects.
apic_epg_name string			Synchronize cisco apic epg members with pool servers.
application_persistence_profile_ref string			Persistence will ensure the same user sticks to the same server for a desired duration of time. It is a reference to an object of type applicationpersistenceprofile.
autoscale_launch_config_ref string			If configured then avi will trigger orchestration of pool server creation and deletion. It is only supported for container clouds like mesos, openshift, kubernetes, docker, etc. It is a reference to an object of type autoscalelaunchconfig.
autoscale_networks string			Network ids for the launch configuration.
autoscale_policy_ref string			Reference to server autoscale policy. It is a reference to an object of type serverautoscalepolicy.
avi_api_patch_op string		Choices: add replace delete	Patch operation to use when using avi_api_update_method as patch.
avi_api_update_method string		Choices: put ← patch	Default method for object update is HTTP PUT. Setting to patch will override that behavior to use HTTP PATCH.
avi_credentials dictionary			Avi Credentials dictionary which can be used in lieu of enumerating Avi Controller login details.
	api_version string	Default: "16.4.4"	Avi controller version
	controller string		Avi controller IP or SQDN
	csrftoken string		Avi controller API csrftoken to reuse existing session with session id
	password string		Avi controller password
	port string		Avi controller port
	session_id string		Avi controller API session id to reuse existing session with csrftoken
	tenant string	Default: "admin"	Avi controller tenant
	tenant_uuid string		Avi controller tenant UUID
	timeout string	Default: 300	Avi controller request timeout
	token string		Avi controller API token
	username string		Avi controller username
avi_disable_session_cache_as_fact boolean		Choices: no ← yes	It disables avi session information to be cached as a fact.
capacity_estimation boolean		Choices: no yes	Inline estimation of capacity of servers. Default value when not specified in API or module is interpreted by Avi Controller as False.
capacity_estimation_ttfb_thresh string			The maximum time-to-first-byte of a server. Allowed values are 1-5000. Special values are 0 - 'automatic'. Default value when not specified in API or module is interpreted by Avi Controller as 0.
cloud_config_cksum string			Checksum of cloud configuration for pool. Internally set by cloud connector.
cloud_ref string			It is a reference to an object of type cloud.
conn_pool_properties string			Connection pool properties. Field introduced in 18.2.1.
connection_ramp_duration string			Duration for which new connections will be gradually ramped up to a server recently brought online. Useful for lb algorithms that are least connection based. Allowed values are 1-300. Special values are 0 - 'immediate'. Default value when not specified in API or module is interpreted by Avi Controller as 10.
controller string		Default: ""	IP address or hostname of the controller. The default value is the environment variable AVI_CONTROLLER.
created_by string			Creator name.
default_server_port string			Traffic sent to servers will use this destination server port unless overridden by the server's specific port attribute. The ssl checkbox enables avi to server encryption. Allowed values are 1-65535. Default value when not specified in API or module is interpreted by Avi Controller as 80.
delete_server_on_dns_refresh boolean		Choices: no yes	Indicates whether existing ips are disabled(false) or deleted(true) on dns hostname refreshdetail -- on a dns refresh, some ips set on pool may no longer be returned by the resolver. These ips are deleted from the pool when this knob is set to true. They are disabled, if the knob is set to false. Field introduced in 18.2.3. Default value when not specified in API or module is interpreted by Avi Controller as True.
description string			A description of the pool.
domain_name string			Comma separated list of domain names which will be used to verify the common names or subject alternative names presented by server certificates. It is performed only when common name check host_check_enabled is enabled.
east_west boolean		Choices: no yes	Inherited config from virtualservice.
enabled boolean		Choices: no yes	Enable or disable the pool. Disabling will terminate all open connections and pause health monitors. Default value when not specified in API or module is interpreted by Avi Controller as True.
external_autoscale_groups string			Names of external auto-scale groups for pool servers. Currently available only for aws and azure. Field introduced in 17.1.2.
fail_action string			Enable an action - close connection, http redirect or local http response - when a pool failure happens. By default, a connection will be closed, in case the pool experiences a failure.
fewest_tasks_feedback_delay string			Periodicity of feedback for fewest tasks server selection algorithm. Allowed values are 1-300. Default value when not specified in API or module is interpreted by Avi Controller as 10.
graceful_disable_timeout string			Used to gracefully disable a server. Virtual service waits for the specified time before terminating the existing connections to the servers that are disabled. Allowed values are 1-7200. Special values are 0 - 'immediate', -1 - 'infinite'. Default value when not specified in API or module is interpreted by Avi Controller as 1.
gslb_sp_enabled boolean		Choices: no yes	Indicates if the pool is a site-persistence pool. Field introduced in 17.2.1.
health_monitor_refs string			Verify server health by applying one or more health monitors. Active monitors generate synthetic traffic from each service engine and mark a server up or down based on the response. The passive monitor listens only to client to server communication. It raises or lowers the ratio of traffic destined to a server based on successful responses. It is a reference to an object of type healthmonitor.
host_check_enabled boolean		Choices: no yes	Enable common name check for server certificate. If enabled and no explicit domain name is specified, avi will use the incoming host header to do the match. Default value when not specified in API or module is interpreted by Avi Controller as False.
inline_health_monitor boolean		Choices: no yes	The passive monitor will monitor client to server connections and requests and adjust traffic load to servers based on successful responses. This may alter the expected behavior of the lb method, such as round robin. Default value when not specified in API or module is interpreted by Avi Controller as True.
ipaddrgroup_ref string			Use list of servers from ip address group. It is a reference to an object of type ipaddrgroup.
lb_algorithm string			The load balancing algorithm will pick a server within the pool's list of available servers. Enum options - LB_ALGORITHM_LEAST_CONNECTIONS, LB_ALGORITHM_ROUND_ROBIN, LB_ALGORITHM_FASTEST_RESPONSE, LB_ALGORITHM_CONSISTENT_HASH, LB_ALGORITHM_LEAST_LOAD, LB_ALGORITHM_FEWEST_SERVERS, LB_ALGORITHM_RANDOM, LB_ALGORITHM_FEWEST_TASKS, LB_ALGORITHM_NEAREST_SERVER, LB_ALGORITHM_CORE_AFFINITY, LB_ALGORITHM_TOPOLOGY. Default value when not specified in API or module is interpreted by Avi Controller as LB_ALGORITHM_LEAST_CONNECTIONS.
lb_algorithm_consistent_hash_hdr string			Http header name to be used for the hash key.
lb_algorithm_core_nonaffinity string			Degree of non-affinity for core affinity based server selection. Allowed values are 1-65535. Field introduced in 17.1.3. Default value when not specified in API or module is interpreted by Avi Controller as 2.
lb_algorithm_hash string			Criteria used as a key for determining the hash between the client and server. Enum options - LB_ALGORITHM_CONSISTENT_HASH_SOURCE_IP_ADDRESS, LB_ALGORITHM_CONSISTENT_HASH_SOURCE_IP_ADDRESS_AND_PORT, LB_ALGORITHM_CONSISTENT_HASH_URI, LB_ALGORITHM_CONSISTENT_HASH_CUSTOM_HEADER, LB_ALGORITHM_CONSISTENT_HASH_CUSTOM_STRING, LB_ALGORITHM_CONSISTENT_HASH_CALLID. Default value when not specified in API or module is interpreted by Avi Controller as LB_ALGORITHM_CONSISTENT_HASH_SOURCE_IP_ADDRESS.
lookup_server_by_name boolean		Choices: no yes	Allow server lookup by name. Field introduced in 17.1.11,17.2.4. Default value when not specified in API or module is interpreted by Avi Controller as False.
max_concurrent_connections_per_server string			The maximum number of concurrent connections allowed to each server within the pool. Note applied value will be no less than the number of service engines that the pool is placed on. If set to 0, no limit is applied. Default value when not specified in API or module is interpreted by Avi Controller as 0.
max_conn_rate_per_server string			Rate limit connections to each server.
min_health_monitors_up string			Minimum number of health monitors in up state to mark server up. Field introduced in 18.2.1, 17.2.12.
min_servers_up string			Minimum number of servers in up state for marking the pool up. Field introduced in 18.2.1, 17.2.12.
name string / required			The name of the pool.
networks string			(internal-use) networks designated as containing servers for this pool. The servers may be further narrowed down by a filter. This field is used internally by avi, not editable by the user.
nsx_securitygroup string			A list of nsx service groups where the servers for the pool are created. Field introduced in 17.1.1.
password string		Default: ""	Password of Avi user in Avi controller. The default value is the environment variable AVI_PASSWORD.
pki_profile_ref string			Avi will validate the ssl certificate present by a server against the selected pki profile. It is a reference to an object of type pkiprofile.
placement_networks string			Manually select the networks and subnets used to provide reachability to the pool's servers. Specify the subnet using the following syntax 10-1-1-0/24. Use static routes in vrf configuration when pool servers are not directly connected butroutable from the service engine.
prst_hdr_name string			Header name for custom header persistence. Field deprecated in 18.1.2.
request_queue_depth string			Minimum number of requests to be queued when pool is full. Default value when not specified in API or module is interpreted by Avi Controller as 128.
request_queue_enabled boolean		Choices: no yes	Enable request queue when pool is full. Default value when not specified in API or module is interpreted by Avi Controller as False.
rewrite_host_header_to_server_name boolean		Choices: no yes	Rewrite incoming host header to server name of the server to which the request is proxied. Enabling this feature rewrites host header for requests to all servers in the pool. Default value when not specified in API or module is interpreted by Avi Controller as False.
rewrite_host_header_to_sni boolean		Choices: no yes	If sni server name is specified, rewrite incoming host header to the sni server name. Default value when not specified in API or module is interpreted by Avi Controller as False.
server_auto_scale boolean		Choices: no yes	Server autoscale. Not used anymore. Field deprecated in 18.1.2.
server_count string			Field deprecated in 18.2.1.
server_name string			Fully qualified dns hostname which will be used in the tls sni extension in server connections if sni is enabled. If no value is specified, avi will use the incoming host header instead.
server_reselect string			Server reselect configuration for http requests.
server_timeout string			Server timeout value specifies the time within which a server connection needs to be established and a request-response exchange completes between avi and the server. Value of 0 results in using default timeout of 60 minutes. Allowed values are 0-3600000. Field introduced in 18.1.5,18.2.1. Default value when not specified in API or module is interpreted by Avi Controller as 0.
servers string			The pool directs load balanced traffic to this list of destination servers. The servers can be configured by ip address, name, network or via ip address group.
service_metadata string			Metadata pertaining to the service provided by this pool. In openshift/kubernetes environments, app metadata info is stored. Any user input to this field will be overwritten by avi vantage. Field introduced in 17.2.14,18.1.5,18.2.1.
sni_enabled boolean		Choices: no yes	Enable tls sni for server connections. If disabled, avi will not send the sni extension as part of the handshake. Default value when not specified in API or module is interpreted by Avi Controller as True.
ssl_key_and_certificate_ref string			Service engines will present a client ssl certificate to the server. It is a reference to an object of type sslkeyandcertificate.
ssl_profile_ref string			When enabled, avi re-encrypts traffic to the backend servers. The specific ssl profile defines which ciphers and ssl versions will be supported. It is a reference to an object of type sslprofile.
state string		Choices: absent present ←	The state that should be applied on the entity.
tenant string		Default: "admin"	Name of tenant used for all Avi API calls and context of object.
tenant_ref string			It is a reference to an object of type tenant.
tenant_uuid string		Default: ""	UUID of tenant used for all Avi API calls and context of object.
url string			Avi controller URL of the object.
use_service_port boolean		Choices: no yes	Do not translate the client's destination port when sending the connection to the server. The pool or servers specified service port will still be used for health monitoring. Default value when not specified in API or module is interpreted by Avi Controller as False.
username string		Default: ""	Username used for accessing Avi controller. The default value is the environment variable AVI_USERNAME.
uuid string			Uuid of the pool.
vrf_ref string			Virtual routing context that the pool is bound to. This is used to provide the isolation of the set of networks the pool is attached to. The pool inherits the virtual routing context of the virtual service, and this field is used only internally, and is set by pb-transform. It is a reference to an object of type vrfcontext.

Notes

Note

• For more information on using Ansible to manage Avi Network devices see https://www.ansible.com/ansible-avi-networks.

Examples

- name: Create a Pool with two servers and HTTP monitor
  community.network.avi_pool:
    controller: 10.10.1.20
    username: avi_user
    password: avi_password
    name: testpool1
    description: testpool1
    state: present
    health_monitor_refs:
        - '/api/healthmonitor?name=System-HTTP'
    servers:
        - ip:
            addr: 10.10.2.20
            type: V4
        - ip:
            addr: 10.10.2.21
            type: V4

- name: Patch pool with a single server using patch op and avi_credentials
  community.network.avi_pool:
    avi_api_update_method: patch
    avi_api_patch_op: delete
    avi_credentials: "{{avi_credentials}}"
    name: test-pool
    servers:
      - ip:
        addr: 10.90.64.13
        type: 'V4'
  register: pool
  when:
    - state | default("present") == "present"

Return Values

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

Key	Returned	Description
obj dictionary	success, changed	Pool (api/pool) object

Authors

• Gaurav Rastogi (@grastogi23) <grastogi@avinetworks.com>