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[HUDI-1203] add port configuration for EmbeddedTimelineService (#2142)

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lw0090
2020-10-06 02:36:54 +08:00
committed by GitHub
parent b335459c80
commit fdae388626
4 changed files with 48 additions and 8 deletions
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37
hudi-timeline-service/src/main/java/org/apache/hudi/timeline/service/TimelineService.java
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@@ -41,6 +41,7 @@ import java.io.Serializable;
public class TimelineService {
private static final Logger LOG = LogManager.getLogger(TimelineService.class);
private static final int START_SERVICE_MAX_RETRIES = 16;
private int serverPort;
private Configuration conf;
@@ -98,16 +99,42 @@ public class TimelineService {
public Boolean help = false;
}
private int startServiceOnPort(int port) throws IOException {
if (!(port == 0 || (1024 <= port && port < 65536))) {
throw new IllegalArgumentException(String.format("startPort should be between 1024 and 65535 (inclusive), "
+ "or 0 for a random free port. but now is %s.", port));
}
for (int attempt = 0; attempt < START_SERVICE_MAX_RETRIES; attempt++) {
// Returns port to try when trying to bind a service. Handles wrapping and skipping privileged ports.
int tryPort = port == 0 ? port : (port + attempt - 1024) % (65536 - 1024) + 1024;
try {
app.start(tryPort);
return app.port();
} catch (Exception e) {
if (e.getMessage() != null && e.getMessage().contains("Failed to bind to")) {
if (tryPort == 0) {
LOG.warn("Timeline server could not bind on a random free port.");
} else {
LOG.warn(String.format("Timeline server could not bind on port %d. "
+ "Attempting port %d + 1.",tryPort, tryPort));
}
} else {
LOG.warn(String.format("Timeline server start failed on port %d. Attempting port %d + 1.",tryPort, tryPort), e);
}
}
}
throw new IOException(String.format("Timeline server start failed on port %d, after retry %d times", port, START_SERVICE_MAX_RETRIES));
}
public int startService() throws IOException {
app = Javalin.create();
FileSystemViewHandler router = new FileSystemViewHandler(app, conf, fsViewsManager);
app.get("/", ctx -> ctx.result("Hello World"));
router.register();
app.start(serverPort);
// If port = 0, a dynamic port is assigned. Store it.
serverPort = app.port();
LOG.info("Starting Timeline server on port :" + serverPort);
return serverPort;
int realServerPort = startServiceOnPort(serverPort);
LOG.info("Starting Timeline server on port :" + realServerPort);
this.serverPort = realServerPort;
return realServerPort;
}
public void run() throws IOException {