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OpenTelemetryMetricsModuleTest.java
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OpenTelemetryMetricsModuleTest.java
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/*
* Copyright 2023 The gRPC Authors
*
* 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.grpc.opentelemetry;
import static io.grpc.ClientStreamTracer.NAME_RESOLUTION_DELAYED;
import static io.grpc.opentelemetry.internal.OpenTelemetryConstants.LOCALITY_KEY;
import static io.grpc.opentelemetry.internal.OpenTelemetryConstants.METHOD_KEY;
import static io.grpc.opentelemetry.internal.OpenTelemetryConstants.STATUS_KEY;
import static io.grpc.opentelemetry.internal.OpenTelemetryConstants.TARGET_KEY;
import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.assertThat;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.verify;
import com.google.common.collect.ImmutableMap;
import io.grpc.Attributes;
import io.grpc.CallOptions;
import io.grpc.Channel;
import io.grpc.ClientCall;
import io.grpc.ClientInterceptor;
import io.grpc.ClientInterceptors;
import io.grpc.ClientStreamTracer;
import io.grpc.Metadata;
import io.grpc.MethodDescriptor;
import io.grpc.ServerCall;
import io.grpc.ServerCallHandler;
import io.grpc.ServerServiceDefinition;
import io.grpc.ServerStreamTracer;
import io.grpc.ServerStreamTracer.ServerCallInfo;
import io.grpc.Status;
import io.grpc.Status.Code;
import io.grpc.internal.FakeClock;
import io.grpc.opentelemetry.OpenTelemetryMetricsModule.CallAttemptsTracerFactory;
import io.grpc.opentelemetry.internal.OpenTelemetryConstants;
import io.grpc.testing.GrpcServerRule;
import io.opentelemetry.api.metrics.Meter;
import io.opentelemetry.sdk.common.InstrumentationScopeInfo;
import io.opentelemetry.sdk.testing.junit4.OpenTelemetryRule;
import java.io.InputStream;
import java.util.Arrays;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import javax.annotation.Nullable;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import org.mockito.ArgumentCaptor;
import org.mockito.Captor;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnit;
import org.mockito.junit.MockitoRule;
/**
* Test for {@link OpenTelemetryMetricsModule}.
*/
@RunWith(JUnit4.class)
public class OpenTelemetryMetricsModuleTest {
private static final CallOptions.Key<String> CUSTOM_OPTION =
CallOptions.Key.createWithDefault("option1", "default");
private static final CallOptions CALL_OPTIONS =
CallOptions.DEFAULT.withOption(CUSTOM_OPTION, "customvalue");
private static final ClientStreamTracer.StreamInfo STREAM_INFO =
ClientStreamTracer.StreamInfo.newBuilder()
.setCallOptions(CallOptions.DEFAULT.withOption(NAME_RESOLUTION_DELAYED, 10L)).build();
private static final String CLIENT_ATTEMPT_COUNT_INSTRUMENT_NAME = "grpc.client.attempt.started";
private static final String CLIENT_ATTEMPT_DURATION_INSTRUMENT_NAME
= "grpc.client.attempt.duration";
private static final String CLIENT_ATTEMPT_SENT_TOTAL_COMPRESSED_MESSAGE_SIZE
= "grpc.client.attempt.sent_total_compressed_message_size";
private static final String CLIENT_ATTEMPT_RECV_TOTAL_COMPRESSED_MESSAGE_SIZE
= "grpc.client.attempt.rcvd_total_compressed_message_size";
private static final String CLIENT_CALL_DURATION = "grpc.client.call.duration";
private static final String SERVER_CALL_COUNT = "grpc.server.call.started";
private static final String SERVER_CALL_DURATION = "grpc.server.call.duration";
private static final String SERVER_CALL_SENT_TOTAL_COMPRESSED_MESSAGE_SIZE
= "grpc.server.call.sent_total_compressed_message_size";
private static final String SERVER_CALL_RECV_TOTAL_COMPRESSED_MESSAGE_SIZE
= "grpc.server.call.rcvd_total_compressed_message_size";
private static final class StringInputStream extends InputStream {
final String string;
StringInputStream(String string) {
this.string = string;
}
@Override
public int read() {
throw new UnsupportedOperationException("should not be called");
}
}
private static final MethodDescriptor.Marshaller<String> MARSHALLER =
new MethodDescriptor.Marshaller<String>() {
@Override
public InputStream stream(String value) {
return new StringInputStream(value);
}
@Override
public String parse(InputStream stream) {
return ((StringInputStream) stream).string;
}
};
@Rule
public final MockitoRule mocks = MockitoJUnit.rule();
@Rule
public final GrpcServerRule grpcServerRule = new GrpcServerRule().directExecutor();
@Rule
public final OpenTelemetryRule openTelemetryTesting = OpenTelemetryRule.create();
@Mock
private ClientCall.Listener<String> mockClientCallListener;
@Mock
private ServerCall.Listener<String> mockServerCallListener;
@Captor
private ArgumentCaptor<Status> statusCaptor;
private final FakeClock fakeClock = new FakeClock();
private final MethodDescriptor<String, String> method =
MethodDescriptor.<String, String>newBuilder()
.setType(MethodDescriptor.MethodType.UNKNOWN)
.setRequestMarshaller(MARSHALLER)
.setResponseMarshaller(MARSHALLER)
.setFullMethodName("package1.service2/method3")
.setSampledToLocalTracing(true)
.build();
private Meter testMeter;
private final Map<String, Boolean> enabledMetricsMap = ImmutableMap.of();
private final boolean disableDefaultMetrics = false;
@Before
public void setUp() throws Exception {
testMeter = openTelemetryTesting.getOpenTelemetry()
.getMeter(OpenTelemetryConstants.INSTRUMENTATION_SCOPE);
}
@Test
public void testClientInterceptors() {
OpenTelemetryMetricsResource resource = GrpcOpenTelemetry.createMetricInstruments(testMeter,
enabledMetricsMap, disableDefaultMetrics);
OpenTelemetryMetricsModule module = newOpenTelemetryMetricsModule(resource);
grpcServerRule.getServiceRegistry().addService(
ServerServiceDefinition.builder("package1.service2").addMethod(
method, new ServerCallHandler<String, String>() {
@Override
public ServerCall.Listener<String> startCall(
ServerCall<String, String> call, Metadata headers) {
call.sendHeaders(new Metadata());
call.sendMessage("Hello");
call.close(
Status.PERMISSION_DENIED.withDescription("No you don't"), new Metadata());
return mockServerCallListener;
}
}).build());
final AtomicReference<CallOptions> capturedCallOptions = new AtomicReference<>();
ClientInterceptor callOptionsCatureInterceptor = new ClientInterceptor() {
@Override
public <ReqT, RespT> ClientCall<ReqT, RespT> interceptCall(
MethodDescriptor<ReqT, RespT> method, CallOptions callOptions, Channel next) {
capturedCallOptions.set(callOptions);
return next.newCall(method, callOptions);
}
};
Channel interceptedChannel =
ClientInterceptors.intercept(
grpcServerRule.getChannel(), callOptionsCatureInterceptor,
module.getClientInterceptor("target:///"));
ClientCall<String, String> call;
call = interceptedChannel.newCall(method, CALL_OPTIONS);
assertEquals("customvalue", capturedCallOptions.get().getOption(CUSTOM_OPTION));
assertEquals(1, capturedCallOptions.get().getStreamTracerFactories().size());
assertTrue(
capturedCallOptions.get().getStreamTracerFactories().get(0)
instanceof OpenTelemetryMetricsModule.CallAttemptsTracerFactory);
// Make the call
Metadata headers = new Metadata();
call.start(mockClientCallListener, headers);
// End the call
call.halfClose();
call.request(1);
verify(mockClientCallListener).onClose(statusCaptor.capture(), any(Metadata.class));
Status status = statusCaptor.getValue();
assertEquals(Status.Code.PERMISSION_DENIED, status.getCode());
assertEquals("No you don't", status.getDescription());
}
@Test
public void clientBasicMetrics() {
String target = "target:///";
OpenTelemetryMetricsResource resource = GrpcOpenTelemetry.createMetricInstruments(testMeter,
enabledMetricsMap, disableDefaultMetrics);
OpenTelemetryMetricsModule module = newOpenTelemetryMetricsModule(resource);
OpenTelemetryMetricsModule.CallAttemptsTracerFactory callAttemptsTracerFactory =
new CallAttemptsTracerFactory(module, target, method.getFullMethodName());
Metadata headers = new Metadata();
ClientStreamTracer tracer =
callAttemptsTracerFactory.newClientStreamTracer(STREAM_INFO, headers);
io.opentelemetry.api.common.Attributes attributes = io.opentelemetry.api.common.Attributes.of(
TARGET_KEY, target,
METHOD_KEY, method.getFullMethodName());
assertThat(openTelemetryTesting.getMetrics())
.satisfiesExactly(
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(CLIENT_ATTEMPT_COUNT_INSTRUMENT_NAME)
.hasUnit("{attempt}")
.hasLongSumSatisfying(
longSum ->
longSum
.hasPointsSatisfying(
point ->
point
.hasAttributes(attributes)
.hasValue(1))));
tracer.addOptionalLabel("grpc.lb.locality", "should-be-ignored");
fakeClock.forwardTime(30, TimeUnit.MILLISECONDS);
tracer.outboundHeaders();
fakeClock.forwardTime(100, TimeUnit.MILLISECONDS);
tracer.outboundMessage(0);
tracer.outboundWireSize(1028);
fakeClock.forwardTime(16, TimeUnit.MILLISECONDS);
tracer.inboundMessage(0);
tracer.inboundMessage(33);
tracer.outboundMessage(1);
tracer.outboundWireSize(99);
fakeClock.forwardTime(24, TimeUnit.MILLISECONDS);
tracer.inboundMessage(1);
tracer.inboundWireSize(154);
tracer.streamClosed(Status.OK);
callAttemptsTracerFactory.callEnded(Status.OK);
io.opentelemetry.api.common.Attributes clientAttributes
= io.opentelemetry.api.common.Attributes.of(
TARGET_KEY, target,
METHOD_KEY, method.getFullMethodName(),
STATUS_KEY, Status.Code.OK.toString());
assertThat(openTelemetryTesting.getMetrics())
.satisfiesExactlyInAnyOrder(
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(CLIENT_ATTEMPT_COUNT_INSTRUMENT_NAME)
.hasUnit("{attempt}")
.hasLongSumSatisfying(
longSum ->
longSum
.hasPointsSatisfying(
point ->
point
.hasAttributes(attributes)
.hasValue(1))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(CLIENT_ATTEMPT_DURATION_INSTRUMENT_NAME)
.hasUnit("s")
.hasHistogramSatisfying(
histogram ->
histogram.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(0.03 + 0.1 + 0.016 + 0.024)
.hasAttributes(clientAttributes))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(
CLIENT_ATTEMPT_SENT_TOTAL_COMPRESSED_MESSAGE_SIZE)
.hasUnit("By")
.hasHistogramSatisfying(
histogram ->
histogram.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(1028L + 99)
.hasAttributes(clientAttributes))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(
CLIENT_ATTEMPT_RECV_TOTAL_COMPRESSED_MESSAGE_SIZE)
.hasUnit("By")
.hasHistogramSatisfying(
histogram ->
histogram
.isCumulative()
.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(154)
.hasAttributes(clientAttributes))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(CLIENT_CALL_DURATION)
.hasUnit("s")
.hasHistogramSatisfying(
histogram ->
histogram.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(0.03 + 0.1 + 0.016 + 0.024)
.hasAttributes(clientAttributes))));
}
// This test is only unit-testing the metrics recording logic. The retry behavior is faked.
@Test
public void recordAttemptMetrics() {
String target = "dns:///example.com";
OpenTelemetryMetricsResource resource = GrpcOpenTelemetry.createMetricInstruments(testMeter,
enabledMetricsMap, disableDefaultMetrics);
OpenTelemetryMetricsModule module = newOpenTelemetryMetricsModule(resource);
OpenTelemetryMetricsModule.CallAttemptsTracerFactory callAttemptsTracerFactory =
new OpenTelemetryMetricsModule.CallAttemptsTracerFactory(module, target,
method.getFullMethodName());
ClientStreamTracer tracer =
callAttemptsTracerFactory.newClientStreamTracer(STREAM_INFO, new Metadata());
io.opentelemetry.api.common.Attributes attributes = io.opentelemetry.api.common.Attributes.of(
TARGET_KEY, target,
METHOD_KEY, method.getFullMethodName());
assertThat(openTelemetryTesting.getMetrics())
.satisfiesExactly(
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(CLIENT_ATTEMPT_COUNT_INSTRUMENT_NAME)
.hasUnit("{attempt}")
.hasLongSumSatisfying(
longSum ->
longSum
.hasPointsSatisfying(
point ->
point
.hasAttributes(attributes)
.hasValue(1))));
fakeClock.forwardTime(30, TimeUnit.MILLISECONDS);
tracer.outboundHeaders();
fakeClock.forwardTime(100, TimeUnit.MILLISECONDS);
tracer.outboundMessage(0);
tracer.outboundMessage(1);
tracer.outboundWireSize(1028);
fakeClock.forwardTime(24, TimeUnit.MILLISECONDS);
tracer.streamClosed(Status.UNAVAILABLE);
io.opentelemetry.api.common.Attributes clientAttributes
= io.opentelemetry.api.common.Attributes.of(
TARGET_KEY, target,
METHOD_KEY, method.getFullMethodName(),
STATUS_KEY, Code.UNAVAILABLE.toString());
assertThat(openTelemetryTesting.getMetrics())
.satisfiesExactlyInAnyOrder(
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(CLIENT_ATTEMPT_COUNT_INSTRUMENT_NAME)
.hasUnit("{attempt}")
.hasLongSumSatisfying(
longSum ->
longSum
.hasPointsSatisfying(
point ->
point
.hasAttributes(attributes)
.hasValue(1))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(CLIENT_ATTEMPT_DURATION_INSTRUMENT_NAME)
.hasUnit("s")
.hasHistogramSatisfying(
histogram ->
histogram.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(0.03 + 0.1 + 0.024)
.hasAttributes(clientAttributes))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(
CLIENT_ATTEMPT_SENT_TOTAL_COMPRESSED_MESSAGE_SIZE)
.hasUnit("By")
.hasHistogramSatisfying(
histogram ->
histogram.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(1028L)
.hasAttributes(clientAttributes))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(
CLIENT_ATTEMPT_RECV_TOTAL_COMPRESSED_MESSAGE_SIZE)
.hasUnit("By")
.hasHistogramSatisfying(
histogram ->
histogram
.isCumulative()
.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(0)
.hasAttributes(clientAttributes))));
// faking retry
fakeClock.forwardTime(1000, TimeUnit.MILLISECONDS);
tracer = callAttemptsTracerFactory.newClientStreamTracer(STREAM_INFO, new Metadata());
tracer.outboundHeaders();
tracer.outboundMessage(0);
tracer.outboundMessage(1);
tracer.outboundWireSize(1028);
fakeClock.forwardTime(100, TimeUnit.MILLISECONDS);
tracer.streamClosed(Status.NOT_FOUND);
io.opentelemetry.api.common.Attributes clientAttributes1
= io.opentelemetry.api.common.Attributes.of(
TARGET_KEY, target,
METHOD_KEY, method.getFullMethodName(),
STATUS_KEY, Code.NOT_FOUND.toString());
// Histograms are cumulative by default.
assertThat(openTelemetryTesting.getMetrics())
.satisfiesExactlyInAnyOrder(
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(CLIENT_ATTEMPT_COUNT_INSTRUMENT_NAME)
.hasUnit("{attempt}")
.hasLongSumSatisfying(
longSum ->
longSum
.hasPointsSatisfying(
point ->
point
.hasValue(2)
.hasAttributes(attributes))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(CLIENT_ATTEMPT_DURATION_INSTRUMENT_NAME)
.hasUnit("s")
.hasHistogramSatisfying(
histogram ->
histogram.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(0.1)
.hasAttributes(clientAttributes1),
point ->
point
.hasCount(1)
.hasSum(0.154)
.hasAttributes(clientAttributes))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(
CLIENT_ATTEMPT_RECV_TOTAL_COMPRESSED_MESSAGE_SIZE)
.hasUnit("By")
.hasHistogramSatisfying(
histogram ->
histogram
.isCumulative()
.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(0)
.hasAttributes(clientAttributes1),
point ->
point
.hasCount(1)
.hasSum(0)
.hasAttributes(clientAttributes))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(
CLIENT_ATTEMPT_SENT_TOTAL_COMPRESSED_MESSAGE_SIZE)
.hasUnit("By")
.hasHistogramSatisfying(
histogram ->
histogram.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(1028L)
.hasAttributes(clientAttributes1),
point ->
point
.hasCount(1)
.hasSum(1028L)
.hasAttributes(clientAttributes))));
// fake transparent retry
fakeClock.forwardTime(10, TimeUnit.MILLISECONDS);
tracer = callAttemptsTracerFactory.newClientStreamTracer(
STREAM_INFO.toBuilder().setIsTransparentRetry(true).build(), new Metadata());
fakeClock.forwardTime(32, MILLISECONDS);
tracer.streamClosed(Status.UNAVAILABLE);
// Histograms are cumulative by default.
assertThat(openTelemetryTesting.getMetrics())
.satisfiesExactlyInAnyOrder(
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(CLIENT_ATTEMPT_COUNT_INSTRUMENT_NAME)
.hasUnit("{attempt}")
.hasLongSumSatisfying(
longSum ->
longSum
.hasPointsSatisfying(
point ->
point
.hasValue(3)
.hasAttributes(attributes))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(CLIENT_ATTEMPT_DURATION_INSTRUMENT_NAME)
.hasUnit("s")
.hasHistogramSatisfying(
histogram ->
histogram.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(0.1)
.hasAttributes(clientAttributes1),
point ->
point
.hasCount(2)
.hasSum(0.154 + 0.032)
.hasAttributes(clientAttributes))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(
CLIENT_ATTEMPT_RECV_TOTAL_COMPRESSED_MESSAGE_SIZE)
.hasUnit("By")
.hasHistogramSatisfying(
histogram ->
histogram
.isCumulative()
.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(0)
.hasAttributes(clientAttributes1),
point ->
point
.hasCount(2)
.hasSum(0 + 0)
.hasAttributes(clientAttributes))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(
CLIENT_ATTEMPT_SENT_TOTAL_COMPRESSED_MESSAGE_SIZE)
.hasUnit("By")
.hasHistogramSatisfying(
histogram ->
histogram.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(1028L)
.hasAttributes(clientAttributes1),
point ->
point
.hasCount(2)
.hasSum(1028L + 0)
.hasAttributes(clientAttributes))));
// fake another transparent retry
fakeClock.forwardTime(10, MILLISECONDS);
tracer = callAttemptsTracerFactory.newClientStreamTracer(
STREAM_INFO.toBuilder().setIsTransparentRetry(true).build(), new Metadata());
tracer.outboundHeaders();
tracer.outboundMessage(0);
tracer.outboundMessage(1);
tracer.outboundWireSize(1028);
tracer.inboundMessage(0);
tracer.inboundWireSize(33);
fakeClock.forwardTime(24, MILLISECONDS);
// RPC succeeded
tracer.streamClosed(Status.OK);
callAttemptsTracerFactory.callEnded(Status.OK);
io.opentelemetry.api.common.Attributes clientAttributes2
= io.opentelemetry.api.common.Attributes.of(
TARGET_KEY, target,
METHOD_KEY, method.getFullMethodName(),
STATUS_KEY, Code.OK.toString());
assertThat(openTelemetryTesting.getMetrics())
.satisfiesExactlyInAnyOrder(
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(CLIENT_ATTEMPT_COUNT_INSTRUMENT_NAME)
.hasUnit("{attempt}")
.hasLongSumSatisfying(
longSum ->
longSum
.hasPointsSatisfying(
point ->
point
.hasValue(4)
.hasAttributes(attributes))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(
CLIENT_ATTEMPT_SENT_TOTAL_COMPRESSED_MESSAGE_SIZE)
.hasUnit("By")
.hasHistogramSatisfying(
histogram ->
histogram.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(1028L)
.hasAttributes(clientAttributes1),
point ->
point
.hasCount(2)
.hasSum(1028L + 0)
.hasAttributes(clientAttributes),
point ->
point
.hasCount(1)
.hasSum(1028L)
.hasAttributes(clientAttributes2))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(CLIENT_CALL_DURATION)
.hasUnit("s")
.hasHistogramSatisfying(
histogram ->
histogram.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(0.03 + 0.1 + 0.024 + 1 + 0.1 + 0.01 + 0.032 + 0.01
+ 0.024)
.hasAttributes(clientAttributes2))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(CLIENT_ATTEMPT_DURATION_INSTRUMENT_NAME)
.hasUnit("s")
.hasHistogramSatisfying(
histogram ->
histogram.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(0.100)
.hasAttributes(clientAttributes1),
point ->
point
.hasCount(2)
.hasSum(0.154 + 0.032)
.hasAttributes(clientAttributes),
point ->
point
.hasCount(1)
.hasSum(0.024)
.hasAttributes(clientAttributes2))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(
CLIENT_ATTEMPT_RECV_TOTAL_COMPRESSED_MESSAGE_SIZE)
.hasUnit("By")
.hasHistogramSatisfying(
histogram ->
histogram
.isCumulative()
.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(0)
.hasAttributes(clientAttributes1),
point ->
point
.hasCount(2)
.hasSum(0 + 0)
.hasAttributes(clientAttributes),
point ->
point
.hasCount(1)
.hasSum(33D)
.hasAttributes(clientAttributes2))));
}
@Test
public void clientStreamNeverCreatedStillRecordMetrics() {
String target = "dns:///foo.example.com";
OpenTelemetryMetricsResource resource = GrpcOpenTelemetry.createMetricInstruments(testMeter,
enabledMetricsMap, disableDefaultMetrics);
OpenTelemetryMetricsModule module = newOpenTelemetryMetricsModule(resource);
OpenTelemetryMetricsModule.CallAttemptsTracerFactory callAttemptsTracerFactory =
new OpenTelemetryMetricsModule.CallAttemptsTracerFactory(module, target,
method.getFullMethodName());
fakeClock.forwardTime(3000, MILLISECONDS);
Status status = Status.DEADLINE_EXCEEDED.withDescription("5 seconds");
callAttemptsTracerFactory.callEnded(status);
io.opentelemetry.api.common.Attributes attemptStartedAttributes
= io.opentelemetry.api.common.Attributes.of(
TARGET_KEY, target,
METHOD_KEY, method.getFullMethodName());
io.opentelemetry.api.common.Attributes clientAttributes
= io.opentelemetry.api.common.Attributes.of(
TARGET_KEY, target,
METHOD_KEY, method.getFullMethodName(),
STATUS_KEY,
Code.DEADLINE_EXCEEDED.toString());
assertThat(openTelemetryTesting.getMetrics())
.satisfiesExactlyInAnyOrder(
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(CLIENT_ATTEMPT_COUNT_INSTRUMENT_NAME)
.hasUnit("{attempt}")
.hasLongSumSatisfying(
longSum ->
longSum
.hasPointsSatisfying(
point ->
point
.hasValue(1)
.hasAttributes(attemptStartedAttributes))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(
CLIENT_ATTEMPT_SENT_TOTAL_COMPRESSED_MESSAGE_SIZE)
.hasUnit("By")
.hasHistogramSatisfying(
histogram ->
histogram.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(0)
.hasAttributes(clientAttributes))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(CLIENT_CALL_DURATION)
.hasUnit("s")
.hasHistogramSatisfying(
histogram ->
histogram.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(3D)
.hasAttributes(clientAttributes))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(CLIENT_ATTEMPT_DURATION_INSTRUMENT_NAME)
.hasUnit("s")
.hasHistogramSatisfying(
histogram ->
histogram.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(0)
.hasAttributes(clientAttributes))),
metric ->
assertThat(metric)
.hasInstrumentationScope(InstrumentationScopeInfo.create(
OpenTelemetryConstants.INSTRUMENTATION_SCOPE))
.hasName(
CLIENT_ATTEMPT_RECV_TOTAL_COMPRESSED_MESSAGE_SIZE)
.hasUnit("By")
.hasHistogramSatisfying(
histogram ->
histogram
.isCumulative()
.hasPointsSatisfying(
point ->
point
.hasCount(1)
.hasSum(0)
.hasAttributes(clientAttributes))));
}
@Test
public void clientLocalityMetrics_present() {
String target = "target:///";
OpenTelemetryMetricsResource resource = GrpcOpenTelemetry.createMetricInstruments(testMeter,
enabledMetricsMap, disableDefaultMetrics);
OpenTelemetryMetricsModule module = new OpenTelemetryMetricsModule(
fakeClock.getStopwatchSupplier(), resource, Arrays.asList("grpc.lb.locality"));
OpenTelemetryMetricsModule.CallAttemptsTracerFactory callAttemptsTracerFactory =
new CallAttemptsTracerFactory(module, target, method.getFullMethodName());
ClientStreamTracer tracer =
callAttemptsTracerFactory.newClientStreamTracer(STREAM_INFO, new Metadata());
tracer.addOptionalLabel("grpc.lb.foo", "unimportant");
tracer.addOptionalLabel("grpc.lb.locality", "should-be-overwritten");
tracer.addOptionalLabel("grpc.lb.locality", "the-moon");
tracer.addOptionalLabel("grpc.lb.foo", "thats-no-moon");
tracer.streamClosed(Status.OK);
callAttemptsTracerFactory.callEnded(Status.OK);
io.opentelemetry.api.common.Attributes attributes = io.opentelemetry.api.common.Attributes.of(
TARGET_KEY, target,
METHOD_KEY, method.getFullMethodName());
io.opentelemetry.api.common.Attributes clientAttributes
= io.opentelemetry.api.common.Attributes.of(
TARGET_KEY, target,
METHOD_KEY, method.getFullMethodName(),
STATUS_KEY, Status.Code.OK.toString());
io.opentelemetry.api.common.Attributes clientAttributesWithLocality
= clientAttributes.toBuilder()
.put(LOCALITY_KEY, "the-moon")
.build();
assertThat(openTelemetryTesting.getMetrics())
.satisfiesExactlyInAnyOrder(
metric ->
assertThat(metric)
.hasName(CLIENT_ATTEMPT_COUNT_INSTRUMENT_NAME)
.hasLongSumSatisfying(
longSum -> longSum.hasPointsSatisfying(
point -> point.hasAttributes(attributes))),
metric ->
assertThat(metric)
.hasName(CLIENT_ATTEMPT_DURATION_INSTRUMENT_NAME)
.hasHistogramSatisfying(
histogram -> histogram.hasPointsSatisfying(
point -> point.hasAttributes(clientAttributesWithLocality))),
metric ->
assertThat(metric)
.hasName(CLIENT_ATTEMPT_SENT_TOTAL_COMPRESSED_MESSAGE_SIZE)
.hasHistogramSatisfying(
histogram -> histogram.hasPointsSatisfying(
point -> point.hasAttributes(clientAttributesWithLocality))),
metric ->
assertThat(metric)
.hasName(CLIENT_ATTEMPT_RECV_TOTAL_COMPRESSED_MESSAGE_SIZE)
.hasHistogramSatisfying(
histogram -> histogram.hasPointsSatisfying(
point -> point.hasAttributes(clientAttributesWithLocality))),
metric ->
assertThat(metric)
.hasName(CLIENT_CALL_DURATION)
.hasHistogramSatisfying(
histogram -> histogram.hasPointsSatisfying(
point -> point.hasAttributes(clientAttributes))));
}
@Test
public void clientLocalityMetrics_missing() {
String target = "target:///";
OpenTelemetryMetricsResource resource = GrpcOpenTelemetry.createMetricInstruments(testMeter,
enabledMetricsMap, disableDefaultMetrics);
OpenTelemetryMetricsModule module = new OpenTelemetryMetricsModule(
fakeClock.getStopwatchSupplier(), resource, Arrays.asList("grpc.lb.locality"));
OpenTelemetryMetricsModule.CallAttemptsTracerFactory callAttemptsTracerFactory =
new CallAttemptsTracerFactory(module, target, method.getFullMethodName());
ClientStreamTracer tracer =
callAttemptsTracerFactory.newClientStreamTracer(STREAM_INFO, new Metadata());
tracer.streamClosed(Status.OK);
callAttemptsTracerFactory.callEnded(Status.OK);
io.opentelemetry.api.common.Attributes attributes = io.opentelemetry.api.common.Attributes.of(
TARGET_KEY, target,
METHOD_KEY, method.getFullMethodName());
io.opentelemetry.api.common.Attributes clientAttributes
= io.opentelemetry.api.common.Attributes.of(
TARGET_KEY, target,
METHOD_KEY, method.getFullMethodName(),
STATUS_KEY, Status.Code.OK.toString());
io.opentelemetry.api.common.Attributes clientAttributesWithLocality
= clientAttributes.toBuilder()
.put(LOCALITY_KEY, "")
.build();
assertThat(openTelemetryTesting.getMetrics())
.satisfiesExactlyInAnyOrder(
metric ->
assertThat(metric)
.hasName(CLIENT_ATTEMPT_COUNT_INSTRUMENT_NAME)
.hasLongSumSatisfying(
longSum -> longSum.hasPointsSatisfying(
point -> point.hasAttributes(attributes))),
metric ->
assertThat(metric)
.hasName(CLIENT_ATTEMPT_DURATION_INSTRUMENT_NAME)
.hasHistogramSatisfying(
histogram -> histogram.hasPointsSatisfying(
point -> point.hasAttributes(clientAttributesWithLocality))),
metric ->
assertThat(metric)
.hasName(CLIENT_ATTEMPT_SENT_TOTAL_COMPRESSED_MESSAGE_SIZE)
.hasHistogramSatisfying(
histogram -> histogram.hasPointsSatisfying(
point -> point.hasAttributes(clientAttributesWithLocality))),
metric ->