-
Notifications
You must be signed in to change notification settings - Fork 67
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
897118c
commit 7f4af7e
Showing
5 changed files
with
149 additions
and
4 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
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
130 changes: 130 additions & 0 deletions
130
gateway-ha/src/main/java/io/trino/gateway/ha/router/BackendStateMBeanExporter.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 +1,130 @@ | ||
| /* | ||
| * Licensed 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 io.trino.gateway.ha.router; | ||
|
|
||
| import com.google.common.collect.ImmutableMap; | ||
| import com.google.errorprone.annotations.concurrent.GuardedBy; | ||
| import com.google.inject.Inject; | ||
| import io.trino.gateway.ha.clustermonitor.ClusterStats; | ||
| import jakarta.annotation.PostConstruct; | ||
| import jakarta.annotation.PreDestroy; | ||
| import org.weakref.jmx.MBeanExport; | ||
| import org.weakref.jmx.MBeanExporter; | ||
| import org.weakref.jmx.Managed; | ||
|
|
||
| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
||
| import static java.util.Objects.requireNonNull; | ||
|
|
||
| public class BackendStateMBeanExporter | ||
| { | ||
| @GuardedBy("this") | ||
| private final List<MBeanExport> mbeanExports = new ArrayList<>(); | ||
|
|
||
| private final MBeanExporter exporter; | ||
| private final BackendStateManager backendStateManager; | ||
| private final Map<String, ClusterStatsJMX> backendStates = new HashMap<>(); | ||
|
|
||
| @Inject | ||
| public BackendStateMBeanExporter(MBeanExporter exporter, BackendStateManager backendStateManager) | ||
| { | ||
| this.exporter = requireNonNull(exporter, "exporter is null"); | ||
| this.backendStateManager = requireNonNull(backendStateManager, "backendStateManager is null"); | ||
| } | ||
|
|
||
| @PostConstruct | ||
| public synchronized void updateExport() | ||
| { | ||
| for (ClusterStats clusterStats : backendStateManager.getAllBackendStates().values()) { | ||
| String clusterId = clusterStats.clusterId(); | ||
|
|
||
| if (backendStates.containsKey(clusterId)) { | ||
| ClusterStatsJMX clusterStatsJMX = backendStates.get(clusterId); | ||
| clusterStatsJMX.setFrom(clusterStats); | ||
| } | ||
| else { | ||
| ClusterStatsJMX clusterStatsJMX = new ClusterStatsJMX(); | ||
| clusterStatsJMX.setFrom(clusterStats); | ||
| mbeanExports.add(exporter.exportWithGeneratedName( | ||
| clusterStatsJMX, | ||
| ClusterStatsJMX.class, | ||
| ImmutableMap.<String, String>builder() | ||
| .put("name", "ClusterStats") | ||
| .put("backend", clusterId) | ||
| .build())); | ||
| backendStates.put(clusterId, clusterStatsJMX); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @PreDestroy | ||
| public synchronized void unexport() | ||
| { | ||
| for (MBeanExport mbeanExport : mbeanExports) { | ||
| mbeanExport.unexport(); | ||
| } | ||
| mbeanExports.clear(); | ||
| } | ||
|
|
||
| public static class ClusterStatsJMX | ||
| { | ||
| private int numWorkerNodes; | ||
| private boolean healthy; | ||
| private String proxyTo; | ||
| private String externalUrl; | ||
| private String routingGroup; | ||
|
|
||
| public void setFrom(ClusterStats clusterStats) | ||
| { | ||
| numWorkerNodes = clusterStats.numWorkerNodes(); | ||
| healthy = clusterStats.healthy(); | ||
| proxyTo = clusterStats.proxyTo(); | ||
| externalUrl = clusterStats.externalUrl(); | ||
| routingGroup = clusterStats.routingGroup(); | ||
| } | ||
|
|
||
| @Managed | ||
| public int getNumWorkerNodes() | ||
| { | ||
| return numWorkerNodes; | ||
| } | ||
|
|
||
| @Managed | ||
| public boolean isHealthy() | ||
| { | ||
| return healthy; | ||
| } | ||
|
|
||
| @Managed | ||
| public String getProxyTo() | ||
| { | ||
| return proxyTo; | ||
| } | ||
|
|
||
| @Managed | ||
| public String getExternalUrl() | ||
| { | ||
| return externalUrl; | ||
| } | ||
|
|
||
| @Managed | ||
| public String getRoutingGroup() | ||
| { | ||
| return routingGroup; | ||
| } | ||
| } | ||
| } |
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