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add APIs to Maintenance Mode in ILM (#31410)
- POST _xpack/index_lifecycle/_stop
- issues a request to be placed into STOPPED mode (maintenance mode).
This is not immediate, since we must first verify that
it is safe to go from STOPPING -> STOPPED.
- POST _xpack/index_lifecycle/_start
- issues a request to be placed back into RUNNING mode (immediately)
- GET _xpack/index_lifecycle/_status
- get back the current mode our lifecycle management is in
- update task was hardened to support uninstalled metadata
- if no metadata is installed, the start/stop actions will install metadata
and proceed to try and change it (default start mode is RUNNING)
- rename MAINTENANCE -> STOPPED, MAINTENANCE_REQUESTED -> STOPPING, NORMAL -> RUNNING
follow-up to #31164.- Loading branch information
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112 changes: 112 additions & 0 deletions
112
...ore/src/main/java/org/elasticsearch/xpack/core/indexlifecycle/action/GetStatusAction.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| /* | ||
| * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| * or more contributor license agreements. Licensed under the Elastic License; | ||
| * you may not use this file except in compliance with the Elastic License. | ||
| */ | ||
| package org.elasticsearch.xpack.core.indexlifecycle.action; | ||
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| import org.elasticsearch.action.Action; | ||
| import org.elasticsearch.action.ActionRequestValidationException; | ||
| import org.elasticsearch.action.ActionResponse; | ||
| import org.elasticsearch.action.support.master.AcknowledgedRequest; | ||
| import org.elasticsearch.common.Strings; | ||
| import org.elasticsearch.common.io.stream.StreamInput; | ||
| import org.elasticsearch.common.io.stream.StreamOutput; | ||
| import org.elasticsearch.common.xcontent.ToXContentObject; | ||
| import org.elasticsearch.common.xcontent.XContentBuilder; | ||
| import org.elasticsearch.xpack.core.indexlifecycle.OperationMode; | ||
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|
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| import java.io.IOException; | ||
| import java.util.Objects; | ||
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| public class GetStatusAction extends Action<GetStatusAction.Response> { | ||
| public static final GetStatusAction INSTANCE = new GetStatusAction(); | ||
| public static final String NAME = "cluster:admin/xpack/index_lifecycle/operation_mode/get"; | ||
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| protected GetStatusAction() { | ||
| super(NAME); | ||
| } | ||
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| @Override | ||
| public Response newResponse() { | ||
| return new Response(); | ||
| } | ||
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| public static class Response extends ActionResponse implements ToXContentObject { | ||
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| private OperationMode mode; | ||
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| public Response() { | ||
| } | ||
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| public Response(OperationMode mode) { | ||
| this.mode = mode; | ||
| } | ||
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| public OperationMode getMode() { | ||
| return mode; | ||
| } | ||
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| @Override | ||
| public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException { | ||
| builder.startObject(); | ||
| builder.field("operation_mode", mode); | ||
| builder.endObject(); | ||
| return builder; | ||
| } | ||
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| @Override | ||
| public void readFrom(StreamInput in) throws IOException { | ||
| mode = in.readEnum(OperationMode.class); | ||
| } | ||
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| @Override | ||
| public void writeTo(StreamOutput out) throws IOException { | ||
| out.writeEnum(mode); | ||
| } | ||
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(mode); | ||
| } | ||
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| @Override | ||
| public boolean equals(Object obj) { | ||
| if (obj == null) { | ||
| return false; | ||
| } | ||
| if (obj.getClass() != getClass()) { | ||
| return false; | ||
| } | ||
| Response other = (Response) obj; | ||
| return Objects.equals(mode, other.mode); | ||
| } | ||
|
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| @Override | ||
| public String toString() { | ||
| return Strings.toString(this, true, true); | ||
| } | ||
|
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| } | ||
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| public static class Request extends AcknowledgedRequest<Request> { | ||
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| public Request() { | ||
| } | ||
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| @Override | ||
| public ActionRequestValidationException validate() { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public void readFrom(StreamInput in) throws IOException { | ||
| super.readFrom(in); | ||
| } | ||
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| @Override | ||
| public void writeTo(StreamOutput out) throws IOException { | ||
| super.writeTo(out); | ||
| } | ||
| } | ||
| } |
98 changes: 98 additions & 0 deletions
98
.../main/java/org/elasticsearch/xpack/core/indexlifecycle/action/PutOperationModeAction.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| /* | ||
| * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| * or more contributor license agreements. Licensed under the Elastic License; | ||
| * you may not use this file except in compliance with the Elastic License. | ||
| */ | ||
| package org.elasticsearch.xpack.core.indexlifecycle.action; | ||
|
|
||
| import org.elasticsearch.action.Action; | ||
| import org.elasticsearch.action.ActionRequestValidationException; | ||
| import org.elasticsearch.action.support.master.AcknowledgedRequest; | ||
| import org.elasticsearch.action.support.master.AcknowledgedResponse; | ||
| import org.elasticsearch.common.io.stream.StreamInput; | ||
| import org.elasticsearch.common.io.stream.StreamOutput; | ||
| import org.elasticsearch.common.xcontent.ToXContentObject; | ||
| import org.elasticsearch.xpack.core.indexlifecycle.OperationMode; | ||
|
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| import java.io.IOException; | ||
| import java.util.Objects; | ||
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| public class PutOperationModeAction extends Action<PutOperationModeAction.Response> { | ||
| public static final PutOperationModeAction INSTANCE = new PutOperationModeAction(); | ||
| public static final String NAME = "cluster:admin/xpack/index_lifecycle/operation_mode/set"; | ||
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| protected PutOperationModeAction() { | ||
| super(NAME); | ||
| } | ||
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| @Override | ||
| public Response newResponse() { | ||
| return new Response(); | ||
| } | ||
|
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| public static class Response extends AcknowledgedResponse implements ToXContentObject { | ||
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| public Response() { | ||
| } | ||
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| public Response(boolean acknowledged) { | ||
| super(acknowledged); | ||
| } | ||
| } | ||
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| public static class Request extends AcknowledgedRequest<Request> { | ||
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| private OperationMode mode; | ||
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| public Request(OperationMode mode) { | ||
| this.mode = mode; | ||
| } | ||
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| public Request() { | ||
| } | ||
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| public OperationMode getMode() { | ||
| return mode; | ||
| } | ||
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| @Override | ||
| public ActionRequestValidationException validate() { | ||
| if (mode == OperationMode.STOPPED) { | ||
| ActionRequestValidationException exception = new ActionRequestValidationException(); | ||
| exception.addValidationError("cannot directly stop index-lifecycle"); | ||
| return exception; | ||
| } | ||
| return null; | ||
| } | ||
|
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| @Override | ||
| public void readFrom(StreamInput in) throws IOException { | ||
| super.readFrom(in); | ||
| mode = in.readEnum(OperationMode.class); | ||
| } | ||
|
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| @Override | ||
| public void writeTo(StreamOutput out) throws IOException { | ||
| super.writeTo(out); | ||
| out.writeEnum(mode); | ||
| } | ||
|
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(mode); | ||
| } | ||
|
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| @Override | ||
| public boolean equals(Object obj) { | ||
| if (obj == null) { | ||
| return false; | ||
| } | ||
| if (obj.getClass() != getClass()) { | ||
| return false; | ||
| } | ||
| Request other = (Request) obj; | ||
| return Objects.equals(mode, other.mode); | ||
| } | ||
| } | ||
|
|
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| } |
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