org.elasticsearch.action.admin.cluster.health.ClusterHealthRequest Maven / Gradle / Ivy
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Elasticsearch subproject :server
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.action.admin.cluster.health;
import org.elasticsearch.Version;
import org.elasticsearch.action.ActionRequestValidationException;
import org.elasticsearch.action.IndicesRequest;
import org.elasticsearch.action.support.ActiveShardCount;
import org.elasticsearch.action.support.IndicesOptions;
import org.elasticsearch.action.support.master.MasterNodeReadRequest;
import org.elasticsearch.cluster.health.ClusterHealthStatus;
import org.elasticsearch.common.Priority;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.unit.TimeValue;
import java.io.IOException;
import java.util.Objects;
import java.util.concurrent.TimeUnit;
public class ClusterHealthRequest extends MasterNodeReadRequest implements IndicesRequest.Replaceable {
private String[] indices;
private IndicesOptions indicesOptions = IndicesOptions.lenientExpand();
private TimeValue timeout = new TimeValue(30, TimeUnit.SECONDS);
private ClusterHealthStatus waitForStatus;
private boolean waitForNoRelocatingShards = false;
private boolean waitForNoInitializingShards = false;
private ActiveShardCount waitForActiveShards = ActiveShardCount.NONE;
private String waitForNodes = "";
private Priority waitForEvents = null;
/**
* Only used by the high-level REST Client. Controls the details level of the health information returned.
* The default value is 'cluster'.
*/
private Level level = Level.CLUSTER;
public ClusterHealthRequest() {
}
public ClusterHealthRequest(String... indices) {
this.indices = indices;
}
public ClusterHealthRequest(StreamInput in) throws IOException {
super(in);
int size = in.readVInt();
if (size == 0) {
indices = Strings.EMPTY_ARRAY;
} else {
indices = new String[size];
for (int i = 0; i < indices.length; i++) {
indices[i] = in.readString();
}
}
timeout = in.readTimeValue();
if (in.readBoolean()) {
waitForStatus = ClusterHealthStatus.fromValue(in.readByte());
}
waitForNoRelocatingShards = in.readBoolean();
waitForActiveShards = ActiveShardCount.readFrom(in);
waitForNodes = in.readString();
if (in.readBoolean()) {
waitForEvents = Priority.readFrom(in);
}
if (in.getVersion().onOrAfter(Version.V_6_2_0)) {
waitForNoInitializingShards = in.readBoolean();
}
if (in.getVersion().onOrAfter(Version.V_7_2_0)) {
indicesOptions = IndicesOptions.readIndicesOptions(in);
} else {
indicesOptions = IndicesOptions.lenientExpandOpen();
}
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
if (indices == null) {
out.writeVInt(0);
} else {
out.writeVInt(indices.length);
for (String index : indices) {
out.writeString(index);
}
}
out.writeTimeValue(timeout);
if (waitForStatus == null) {
out.writeBoolean(false);
} else {
out.writeBoolean(true);
out.writeByte(waitForStatus.value());
}
out.writeBoolean(waitForNoRelocatingShards);
waitForActiveShards.writeTo(out);
out.writeString(waitForNodes);
if (waitForEvents == null) {
out.writeBoolean(false);
} else {
out.writeBoolean(true);
Priority.writeTo(waitForEvents, out);
}
if (out.getVersion().onOrAfter(Version.V_6_2_0)) {
out.writeBoolean(waitForNoInitializingShards);
}
if (out.getVersion().onOrAfter(Version.V_7_2_0)) {
indicesOptions.writeIndicesOptions(out);
}
}
@Override
public String[] indices() {
return indices;
}
@Override
public ClusterHealthRequest indices(String... indices) {
this.indices = indices;
return this;
}
@Override
public IndicesOptions indicesOptions() {
return indicesOptions;
}
public ClusterHealthRequest indicesOptions(final IndicesOptions indicesOptions) {
this.indicesOptions = indicesOptions;
return this;
}
public TimeValue timeout() {
return timeout;
}
public ClusterHealthRequest timeout(TimeValue timeout) {
this.timeout = timeout;
if (masterNodeTimeout == DEFAULT_MASTER_NODE_TIMEOUT) {
masterNodeTimeout = timeout;
}
return this;
}
public ClusterHealthRequest timeout(String timeout) {
return this.timeout(TimeValue.parseTimeValue(timeout, null, getClass().getSimpleName() + ".timeout"));
}
public ClusterHealthStatus waitForStatus() {
return waitForStatus;
}
public ClusterHealthRequest waitForStatus(ClusterHealthStatus waitForStatus) {
this.waitForStatus = waitForStatus;
return this;
}
public ClusterHealthRequest waitForGreenStatus() {
return waitForStatus(ClusterHealthStatus.GREEN);
}
public ClusterHealthRequest waitForYellowStatus() {
return waitForStatus(ClusterHealthStatus.YELLOW);
}
public boolean waitForNoRelocatingShards() {
return waitForNoRelocatingShards;
}
/**
* Sets whether the request should wait for there to be no relocating shards before
* retrieving the cluster health status. Defaults to {@code false}, meaning the
* operation does not wait on there being no more relocating shards. Set to true
* to wait until the number of relocating shards in the cluster is 0.
*/
public ClusterHealthRequest waitForNoRelocatingShards(boolean waitForNoRelocatingShards) {
this.waitForNoRelocatingShards = waitForNoRelocatingShards;
return this;
}
public boolean waitForNoInitializingShards() {
return waitForNoInitializingShards;
}
/**
* Sets whether the request should wait for there to be no initializing shards before
* retrieving the cluster health status. Defaults to {@code false}, meaning the
* operation does not wait on there being no more initializing shards. Set to true
* to wait until the number of initializing shards in the cluster is 0.
*/
public ClusterHealthRequest waitForNoInitializingShards(boolean waitForNoInitializingShards) {
this.waitForNoInitializingShards = waitForNoInitializingShards;
return this;
}
public ActiveShardCount waitForActiveShards() {
return waitForActiveShards;
}
/**
* Sets the number of shard copies that must be active across all indices before getting the
* health status. Defaults to {@link ActiveShardCount#NONE}, meaning we don't wait on any active shards.
* Set this value to {@link ActiveShardCount#ALL} to wait for all shards (primary and
* all replicas) to be active across all indices in the cluster. Otherwise, use
* {@link ActiveShardCount#from(int)} to set this value to any non-negative integer, up to the
* total number of shard copies to wait for.
*/
public ClusterHealthRequest waitForActiveShards(ActiveShardCount waitForActiveShards) {
if (waitForActiveShards.equals(ActiveShardCount.DEFAULT)) {
// the default for cluster health request is 0, not 1
this.waitForActiveShards = ActiveShardCount.NONE;
} else {
this.waitForActiveShards = waitForActiveShards;
}
return this;
}
/**
* A shortcut for {@link #waitForActiveShards(ActiveShardCount)} where the numerical
* shard count is passed in, instead of having to first call {@link ActiveShardCount#from(int)}
* to get the ActiveShardCount.
*/
public ClusterHealthRequest waitForActiveShards(final int waitForActiveShards) {
return waitForActiveShards(ActiveShardCount.from(waitForActiveShards));
}
public String waitForNodes() {
return waitForNodes;
}
/**
* Waits for N number of nodes. Use "12" for exact mapping, ">12" and "<12" for range.
*/
public ClusterHealthRequest waitForNodes(String waitForNodes) {
this.waitForNodes = waitForNodes;
return this;
}
public ClusterHealthRequest waitForEvents(Priority waitForEvents) {
this.waitForEvents = waitForEvents;
return this;
}
public Priority waitForEvents() {
return this.waitForEvents;
}
/**
* Set the level of detail for the health information to be returned.
* Only used by the high-level REST Client.
*/
public void level(Level level) {
this.level = Objects.requireNonNull(level, "level must not be null");
}
/**
* Get the level of detail for the health information to be returned.
* Only used by the high-level REST Client.
*/
public Level level() {
return level;
}
@Override
public ActionRequestValidationException validate() {
return null;
}
public enum Level {
CLUSTER, INDICES, SHARDS
}
}