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[Feature][REST-API] Add threaddump rest api #7615

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merged 4 commits into from
Sep 11, 2024
Merged

[Feature][REST-API] Add threaddump rest api #7615

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216d212
add threaddump rest api
liugddx Sep 9, 2024
2858b2b
Merge remote-tracking branch 'upstream/dev' into dev
liugddx Sep 9, 2024
b2b3834
add threaddump rest api
liugddx Sep 9, 2024
a2af4c0
add threaddump rest api
liugddx Sep 10, 2024
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21 changes: 21 additions & 0 deletions ...connector-seatunnel-e2e-base/src/test/java/org/apache/seatunnel/engine/e2e/RestApiIT.java
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Original file line number Diff line number Diff line change
Expand Up @@ -453,6 +453,27 @@ public void testEncryptConfig() {
});
}

@Test
public void testGetThreadDump() {
Arrays.asList(node2, node1)
.forEach(
instance -> {
given().get(
HOST
+ instance.getCluster()
.getLocalMember()
.getAddress()
.getPort()
+ RestConstant.THREAD_DUMP)
.then()
.statusCode(200)
.body("[0].threadName", notNullValue())
.body("[0].threadState", notNullValue())
.body("[0].stackTrace", notNullValue())
.body("[0].threadId", notNullValue());
});
}

@AfterEach
void afterClass() {
if (engineClient != null) {
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1 change: 1 addition & 0 deletions ...nel-engine-server/src/main/java/org/apache/seatunnel/engine/server/rest/RestConstant.java
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Expand Up @@ -51,6 +51,7 @@ public class RestConstant {
public static final String JOB_INFO_URL = "/hazelcast/rest/maps/job-info";
public static final String FINISHED_JOBS_INFO = "/hazelcast/rest/maps/finished-jobs";
public static final String ENCRYPT_CONFIG = "/hazelcast/rest/maps/encrypt-config";
public static final String THREAD_DUMP = "/hazelcast/rest/maps/thread-dump";

// only for test use
public static final String RUNNING_THREADS = "/hazelcast/rest/maps/running-threads";
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23 changes: 23 additions & 0 deletions ...er/src/main/java/org/apache/seatunnel/engine/server/rest/RestHttpGetCommandProcessor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -93,6 +93,7 @@
import static org.apache.seatunnel.engine.server.rest.RestConstant.SYSTEM_MONITORING_INFORMATION;
import static org.apache.seatunnel.engine.server.rest.RestConstant.TELEMETRY_METRICS_URL;
import static org.apache.seatunnel.engine.server.rest.RestConstant.TELEMETRY_OPEN_METRICS_URL;
import static org.apache.seatunnel.engine.server.rest.RestConstant.THREAD_DUMP;

public class RestHttpGetCommandProcessor extends HttpCommandProcessor<HttpGetCommand> {

Expand Down Expand Up @@ -144,6 +145,8 @@ public void handle(HttpGetCommand httpGetCommand) {
handleMetrics(httpGetCommand, TextFormat.CONTENT_TYPE_004);
} else if (uri.equals(TELEMETRY_OPEN_METRICS_URL)) {
handleMetrics(httpGetCommand, TextFormat.CONTENT_TYPE_OPENMETRICS_100);
} else if (uri.startsWith(THREAD_DUMP)) {
getThreadDump(httpGetCommand);
} else {
original.handle(httpGetCommand);
}
Expand Down Expand Up @@ -203,6 +206,26 @@ public void overView(HttpGetCommand command, String uri) {
JsonUtil.toJsonObject(JsonUtils.toMap(JsonUtils.toJsonString(overviewInfo))));
}

public void getThreadDump(HttpGetCommand command) {
Map<Thread, StackTraceElement[]> threadStacks = Thread.getAllStackTraces();
JsonArray threadInfoList = new JsonArray();
for (Map.Entry<Thread, StackTraceElement[]> entry : threadStacks.entrySet()) {
StringBuilder stackTraceBuilder = new StringBuilder();
for (StackTraceElement element : entry.getValue()) {
stackTraceBuilder.append(element.toString()).append("\n");
}
String stackTrace = stackTraceBuilder.toString().trim();
JsonObject threadInfo = new JsonObject();
threadInfo.add("threadName", entry.getKey().getName());
threadInfo.add("threadId", entry.getKey().getId());
threadInfo.add("threadState", entry.getKey().getState().name());
threadInfo.add("stackTrace", stackTrace);
threadInfoList.add(threadInfo);
}

this.prepareResponse(command, threadInfoList);
}

private void getSystemMonitoringInformation(HttpGetCommand command) {
Cluster cluster = textCommandService.getNode().hazelcastInstance.getCluster();
nodeEngine = textCommandService.getNode().hazelcastInstance.node.nodeEngine;
Expand Down
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