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support hot set trace through /exception/trace API #1727

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merged 1 commit into from
Jan 12, 2022
Merged

support hot set trace through /exception/trace API #1727

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56 changes: 47 additions & 9 deletions hugegraph-api/src/main/java/com/baidu/hugegraph/api/filter/ExceptionFilter.java
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Original file line number Diff line number Diff line change
Expand Up @@ -23,9 +23,16 @@
import java.util.Map;
import java.util.NoSuchElementException;

import javax.annotation.security.RolesAllowed;
import javax.inject.Singleton;
import javax.json.Json;
import javax.json.JsonArrayBuilder;
import javax.json.JsonObjectBuilder;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
Expand All @@ -38,10 +45,13 @@
import org.glassfish.hk2.api.MultiException;

import com.baidu.hugegraph.HugeException;
import com.baidu.hugegraph.api.API;
import com.baidu.hugegraph.config.HugeConfig;
import com.baidu.hugegraph.config.ServerOptions;
import com.baidu.hugegraph.exception.HugeGremlinException;
import com.baidu.hugegraph.exception.NotFoundException;
import com.codahale.metrics.annotation.Timed;
import com.google.common.collect.ImmutableMap;

public class ExceptionFilter {

Expand All @@ -52,12 +62,17 @@ public class ExceptionFilter {
private static final int INTERNAL_SERVER_ERROR =
Response.Status.INTERNAL_SERVER_ERROR.getStatusCode();

public static class TracedExceptionMapper {
public static class TracedExceptionMapper extends API {

private static boolean forcedTrace = false;

@Context
private javax.inject.Provider<HugeConfig> configProvider;

protected boolean trace() {
if (forcedTrace) {
return true;
}
HugeConfig config = this.configProvider.get();
if (config == null) {
return false;
Expand All @@ -66,54 +81,81 @@ protected boolean trace() {
}
}

@Path("exception/trace")
@Singleton
public static class TracedExceptionAPI extends API {

@GET
@Timed
@Produces(APPLICATION_JSON_WITH_CHARSET)
@RolesAllowed({"admin"})
public Object get() {
return ImmutableMap.of("trace", TracedExceptionMapper.forcedTrace);
}

@PUT
@Timed
@Consumes(APPLICATION_JSON)
@Produces(APPLICATION_JSON_WITH_CHARSET)
@RolesAllowed({"admin"})
public Object trace(boolean trace) {
TracedExceptionMapper.forcedTrace = trace;
return ImmutableMap.of("trace", TracedExceptionMapper.forcedTrace);
}
}

@Provider
public static class HugeExceptionMapper
extends TracedExceptionMapper
implements ExceptionMapper<HugeException> {

@Override
public Response toResponse(HugeException exception) {
return Response.status(BAD_REQUEST_ERROR)
.type(MediaType.APPLICATION_JSON)
.entity(formatException(exception))
.entity(formatException(exception, this.trace()))
.build();
}
}

@Provider
public static class IllegalArgumentExceptionMapper
extends TracedExceptionMapper
implements ExceptionMapper<IllegalArgumentException> {

@Override
public Response toResponse(IllegalArgumentException exception) {
return Response.status(BAD_REQUEST_ERROR)
.type(MediaType.APPLICATION_JSON)
.entity(formatException(exception))
.entity(formatException(exception, this.trace()))
.build();
}
}

@Provider
public static class NotFoundExceptionMapper
extends TracedExceptionMapper
implements ExceptionMapper<NotFoundException> {

@Override
public Response toResponse(NotFoundException exception) {
return Response.status(NOT_FOUND_ERROR)
.type(MediaType.APPLICATION_JSON)
.entity(formatException(exception))
.entity(formatException(exception, this.trace()))
.build();
}
}

@Provider
public static class NoSuchElementExceptionMapper
extends TracedExceptionMapper
implements ExceptionMapper<NoSuchElementException> {

@Override
public Response toResponse(NoSuchElementException exception) {
return Response.status(NOT_FOUND_ERROR)
.type(MediaType.APPLICATION_JSON)
.entity(formatException(exception))
.entity(formatException(exception, this.trace()))
.build();
}
}
Expand Down Expand Up @@ -189,10 +231,6 @@ public Response toResponse(Throwable exception) {
}
}

public static String formatException(Throwable exception) {
return formatException(exception, false);
}

public static String formatException(Throwable exception, boolean trace) {
String clazz = exception.getClass().toString();
String message = exception.getMessage() != null ?
Expand Down