-
Notifications
You must be signed in to change notification settings - Fork 3.7k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Browse files
Browse the repository at this point in the history
* #16717 defer provider instatiation * add license header * fix style, ignore new class in jacoco as it is still initialization code --------- Co-authored-by: Alberto Lago Alvarado <[email protected]>
- Loading branch information
Showing
3 changed files
with
101 additions
and
56 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
97 changes: 97 additions & 0 deletions
97
...tensions/src/main/java/org/apache/druid/k8s/discovery/K8sDruidLeaderSelectorProvider.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF 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.apache.druid.k8s.discovery; | ||
|
|
||
| import com.google.inject.Inject; | ||
| import com.google.inject.Provider; | ||
| import io.kubernetes.client.openapi.ApiClient; | ||
| import org.apache.druid.discovery.DruidLeaderSelector; | ||
| import org.apache.druid.guice.annotations.Self; | ||
| import org.apache.druid.server.DruidNode; | ||
|
|
||
| public abstract class K8sDruidLeaderSelectorProvider implements Provider<DruidLeaderSelector> | ||
| { | ||
| @Inject | ||
| @Self | ||
| private DruidNode druidNode; | ||
|
|
||
| @Inject | ||
| private PodInfo podInfo; | ||
|
|
||
| @Inject | ||
| private K8sDiscoveryConfig discoveryConfig; | ||
|
|
||
| @Inject | ||
| private Provider<ApiClient> k8sApiClientProvider; | ||
|
|
||
| private boolean isCoordinator; | ||
|
|
||
| K8sDruidLeaderSelectorProvider(boolean isCoordinator) | ||
| { | ||
| this.isCoordinator = isCoordinator; | ||
| } | ||
|
|
||
| @Override | ||
| public DruidLeaderSelector get() | ||
| { | ||
| // Note: these can not be setup in the constructor because injected K8sDiscoveryConfig and PodInfo | ||
| // are not available at that time. | ||
| String lockResourceName; | ||
| String lockResourceNamespace; | ||
|
|
||
| if (isCoordinator) { | ||
| lockResourceName = discoveryConfig.getClusterIdentifier() + "-leaderelection-coordinator"; | ||
| lockResourceNamespace = discoveryConfig.getCoordinatorLeaderElectionConfigMapNamespace() == null | ||
| ? | ||
| podInfo.getPodNamespace() | ||
| : discoveryConfig.getCoordinatorLeaderElectionConfigMapNamespace(); | ||
| } else { | ||
| lockResourceName = discoveryConfig.getClusterIdentifier() + "-leaderelection-overlord"; | ||
| lockResourceNamespace = discoveryConfig.getOverlordLeaderElectionConfigMapNamespace() == null ? | ||
| podInfo.getPodNamespace() : discoveryConfig.getOverlordLeaderElectionConfigMapNamespace(); | ||
| } | ||
|
|
||
| return new K8sDruidLeaderSelector( | ||
| druidNode, | ||
| lockResourceName, | ||
| lockResourceNamespace, | ||
| discoveryConfig, | ||
| new DefaultK8sLeaderElectorFactory(k8sApiClientProvider.get(), discoveryConfig) | ||
| ); | ||
| } | ||
|
|
||
| static class K8sCoordinatorDruidLeaderSelectorProvider extends K8sDruidLeaderSelectorProvider | ||
| { | ||
| @Inject | ||
| public K8sCoordinatorDruidLeaderSelectorProvider() | ||
| { | ||
| super(true); | ||
| } | ||
| } | ||
|
|
||
| static class K8sIndexingServiceDruidLeaderSelectorProvider extends K8sDruidLeaderSelectorProvider | ||
| { | ||
| @Inject | ||
| public K8sIndexingServiceDruidLeaderSelectorProvider() | ||
| { | ||
| super(false); | ||
| } | ||
| } | ||
| } |