Get lifecycle policy API

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Retrieves a lifecycle policy.

Request

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GET _ilm/policy

GET _ilm/policy/<policy_id>

Prerequisites

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  • If the Elasticsearch security features are enabled, you must have the manage_ilm or read_ilm or both cluster privileges to use this API. For more information, see Security privileges.

Description

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Returns the specified policy definition. Includes the policy version and last modified date. If no policy is specified, returns all defined policies.

Path parameters

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<policy_id>
(Optional, string) Identifier for the policy.

Query parameters

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master_timeout
(Optional, time units) Period to wait for the master node. If the master node is not available before the timeout expires, the request fails and returns an error. Defaults to 30s. Can also be set to -1 to indicate that the request should never timeout.
timeout
(Optional, time units) Period to wait for a response. If no response is received before the timeout expires, the request fails and returns an error. Defaults to 30s.

Examples

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The following example retrieves my_policy:

response = client.ilm.get_lifecycle(
  policy: 'my_policy'
)
puts response
GET _ilm/policy/my_policy

If the request succeeds, the body of the response contains the policy definition:

{
  "my_policy": {
    "version": 1, 
    "modified_date": 82392349, 
    "policy": {
      "phases": {
        "warm": {
          "min_age": "10d",
          "actions": {
            "forcemerge": {
              "max_num_segments": 1
            }
          }
        },
        "delete": {
          "min_age": "30d",
          "actions": {
            "delete": {
              "delete_searchable_snapshot": true
            }
          }
        }
      }
    },
    "in_use_by" : { 
      "indices" : [],
      "data_streams" : [],
      "composable_templates" : []
    }
  }
}

The policy version is incremented whenever the policy is updated

When this policy was last modified

Which indices, data streams, or templates currently use this policy