OpenSearch/docs/reference/ilm/apis/get-lifecycle.asciidoc

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[role="xpack"]
[testenv="basic"]
[[ilm-get-lifecycle]]
=== Get lifecycle policy API
++++
<titleabbrev>Get policy</titleabbrev>
++++
Retrieves a lifecycle policy.
==== Request
`GET _ilm/policy`
`GET _ilm/policy/<policy_id>`
==== Description
Returns the specified policy definition. Includes the policy version and last
modified date. If no policy is specified, returns all defined policies.
==== Path Parameters
`policy` (optional)::
(string) Identifier for the policy.
==== Request Parameters
include::{docdir}/rest-api/common-parms.asciidoc[tag=timeoutparms]
==== Authorization
You must have the `manage_ilm` or `read_ilm` or both cluster privileges to use this API.
For more information, see {stack-ov}/security-privileges.html[Security Privileges].
==== Examples
The following example retrieves `my_policy`:
//////////////////////////
[source,console]
--------------------------------------------------
PUT _ilm/policy/my_policy
{
"policy": {
"phases": {
"warm": {
"min_age": "10d",
"actions": {
"forcemerge": {
"max_num_segments": 1
}
}
},
"delete": {
"min_age": "30d",
"actions": {
"delete": {}
}
}
}
}
}
--------------------------------------------------
//////////////////////////
[source,console]
--------------------------------------------------
GET _ilm/policy/my_policy
--------------------------------------------------
// TEST[continued]
If the request succeeds, the body of the response contains the policy definition:
[source,console-result]
--------------------------------------------------
{
"my_policy": {
"version": 1, <1>
"modified_date": 82392349, <2>
"policy": {
"phases": {
"warm": {
"min_age": "10d",
"actions": {
"forcemerge": {
"max_num_segments": 1
}
}
},
"delete": {
"min_age": "30d",
"actions": {
"delete": {}
}
}
}
}
}
}
--------------------------------------------------
// TESTRESPONSE[s/"modified_date": 82392349/"modified_date": $body.my_policy.modified_date/]
<1> The policy version is incremented whenever the policy is updated
<2> When this policy was last modified