diff options
author | Yang Song <songy23@users.noreply.github.com> | 2018-09-20 14:53:54 -0700 |
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committer | GitHub <noreply@github.com> | 2018-09-20 14:53:54 -0700 |
commit | b2251bf8ec0980800e98efdd775a6e85a39edc13 (patch) | |
tree | ea0b883a45b6c8a989c473cf8c44763e783b8934 /contrib | |
parent | ba5b8310495939a2912934836283ca356b353580 (diff) | |
download | opencensus-java-b2251bf8ec0980800e98efdd775a6e85a39edc13.tar.gz |
Contrib: Add opencensus-contrib-opencensus-proto-util. (#1459)
* Contrib: Add opencensus-contrib-opencensus-proto-util.
* Update CHANGELOG.
Diffstat (limited to 'contrib')
4 files changed, 740 insertions, 0 deletions
diff --git a/contrib/opencensus_proto_util/README.md b/contrib/opencensus_proto_util/README.md new file mode 100644 index 00000000..e495121d --- /dev/null +++ b/contrib/opencensus_proto_util/README.md @@ -0,0 +1,24 @@ +# OpenCensus Proto Util + +The *OpenCensus Proto Util for Java* is a collection of utilities for converting OpenCensus Java +data models to OpenCensus proto data models. + +## Quickstart + +### Add the dependencies to your project + +For Maven add to your `pom.xml`: +```xml +<dependencies> + <dependency> + <groupId>io.opencensus</groupId> + <artifactId>opencensus-contrib-opencensus-proto-util</artifactId> + <version>0.17.0</version> + </dependency> +</dependencies> +``` + +For Gradle add to your dependencies: +```gradle +compile 'io.opencensus:opencensus-contrib-opencensus-proto-util:0.17.0' +``` diff --git a/contrib/opencensus_proto_util/build.gradle b/contrib/opencensus_proto_util/build.gradle new file mode 100644 index 00000000..8a622246 --- /dev/null +++ b/contrib/opencensus_proto_util/build.gradle @@ -0,0 +1,16 @@ +description = 'OpenCensus Proto Util' + +apply plugin: 'java' + +[compileJava, compileTestJava].each() { + it.sourceCompatibility = 1.7 + it.targetCompatibility = 1.7 +} + +dependencies { + compile project(':opencensus-api'), + libraries.opencensus_proto + + signature "org.codehaus.mojo.signature:java17:1.0@signature" + signature "net.sf.androidscents.signature:android-api-level-14:4.0_r4@signature" +} diff --git a/contrib/opencensus_proto_util/src/main/java/io/opencensus/contrib/opencensus/proto/util/TraceProtoUtils.java b/contrib/opencensus_proto_util/src/main/java/io/opencensus/contrib/opencensus/proto/util/TraceProtoUtils.java new file mode 100644 index 00000000..f2ecd01a --- /dev/null +++ b/contrib/opencensus_proto_util/src/main/java/io/opencensus/contrib/opencensus/proto/util/TraceProtoUtils.java @@ -0,0 +1,382 @@ +/* + * Copyright 2018, OpenCensus 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.opencensus.contrib.opencensus.proto.util; + +import com.google.common.annotations.VisibleForTesting; +import com.google.protobuf.BoolValue; +import com.google.protobuf.ByteString; +import com.google.protobuf.UInt32Value; +import io.opencensus.common.Function; +import io.opencensus.common.Functions; +import io.opencensus.common.Timestamp; +import io.opencensus.proto.trace.v1.AttributeValue; +import io.opencensus.proto.trace.v1.ConstantSampler; +import io.opencensus.proto.trace.v1.ProbabilitySampler; +import io.opencensus.proto.trace.v1.Span; +import io.opencensus.proto.trace.v1.Span.Attributes; +import io.opencensus.proto.trace.v1.Span.Link; +import io.opencensus.proto.trace.v1.Span.Links; +import io.opencensus.proto.trace.v1.Span.SpanKind; +import io.opencensus.proto.trace.v1.Span.TimeEvent; +import io.opencensus.proto.trace.v1.Span.TimeEvent.MessageEvent; +import io.opencensus.proto.trace.v1.Span.Tracestate; +import io.opencensus.proto.trace.v1.Span.Tracestate.Entry; +import io.opencensus.proto.trace.v1.Status; +import io.opencensus.proto.trace.v1.TraceConfig; +import io.opencensus.proto.trace.v1.TruncatableString; +import io.opencensus.trace.Annotation; +import io.opencensus.trace.MessageEvent.Type; +import io.opencensus.trace.Sampler; +import io.opencensus.trace.Span.Kind; +import io.opencensus.trace.SpanContext; +import io.opencensus.trace.SpanId; +import io.opencensus.trace.TraceId; +import io.opencensus.trace.config.TraceParams; +import io.opencensus.trace.export.SpanData; +import io.opencensus.trace.export.SpanData.TimedEvent; +import io.opencensus.trace.export.SpanData.TimedEvents; +import io.opencensus.trace.samplers.Samplers; +import java.util.ArrayList; +import java.util.List; +import java.util.Map; + +/*>>> +import org.checkerframework.checker.nullness.qual.Nullable; +*/ + +/** + * Utilities for converting the Tracing data models in OpenCensus Java to/from OpenCensus Proto. + * + * @since 0.17 + */ +public final class TraceProtoUtils { + + // Constant functions for AttributeValue. + private static final Function<String, /*@Nullable*/ AttributeValue> stringAttributeValueFunction = + new Function<String, /*@Nullable*/ AttributeValue>() { + @Override + public AttributeValue apply(String stringValue) { + return AttributeValue.newBuilder() + .setStringValue(toTruncatableStringProto(stringValue)) + .build(); + } + }; + + private static final Function<Boolean, /*@Nullable*/ AttributeValue> + booleanAttributeValueFunction = + new Function<Boolean, /*@Nullable*/ AttributeValue>() { + @Override + public AttributeValue apply(Boolean booleanValue) { + return AttributeValue.newBuilder().setBoolValue(booleanValue).build(); + } + }; + + private static final Function<Long, /*@Nullable*/ AttributeValue> longAttributeValueFunction = + new Function<Long, /*@Nullable*/ AttributeValue>() { + @Override + public AttributeValue apply(Long longValue) { + return AttributeValue.newBuilder().setIntValue(longValue).build(); + } + }; + + private static final Function<Double, /*@Nullable*/ AttributeValue> doubleAttributeValueFunction = + new Function<Double, /*@Nullable*/ AttributeValue>() { + @Override + public AttributeValue apply(Double doubleValue) { + return AttributeValue.newBuilder().setDoubleValue(doubleValue).build(); + } + }; + + /** + * Converts {@link SpanData} to {@link Span} proto. + * + * @param spanData the {@code SpanData}. + * @return proto representation of {@code Span}. + * @since 0.17 + */ + @SuppressWarnings("DefaultCharset") + public static Span toSpanProto(SpanData spanData) { + SpanContext spanContext = spanData.getContext(); + TraceId traceId = spanContext.getTraceId(); + SpanId spanId = spanContext.getSpanId(); + Span.Builder spanBuilder = + Span.newBuilder() + .setTraceId(toByteString(traceId.getBytes())) + .setSpanId(toByteString(spanId.getBytes())) + .setTracestate(toTracestateProto(spanContext.getTracestate())) + .setName(toTruncatableStringProto(spanData.getName())) + .setStartTime(toTimestampProto(spanData.getStartTimestamp())) + .setAttributes(toAttributesProto(spanData.getAttributes())) + .setTimeEvents( + toTimeEventsProto(spanData.getAnnotations(), spanData.getMessageEvents())) + .setLinks(toLinksProto(spanData.getLinks())); + + Kind kind = spanData.getKind(); + if (kind != null) { + spanBuilder.setKind(toSpanKindProto(kind)); + } + + io.opencensus.trace.Status status = spanData.getStatus(); + if (status != null) { + spanBuilder.setStatus(toStatusProto(status)); + } + + Timestamp end = spanData.getEndTimestamp(); + if (end != null) { + spanBuilder.setEndTime(toTimestampProto(end)); + } + + Integer childSpanCount = spanData.getChildSpanCount(); + if (childSpanCount != null) { + spanBuilder.setChildSpanCount(UInt32Value.newBuilder().setValue(childSpanCount).build()); + } + + Boolean hasRemoteParent = spanData.getHasRemoteParent(); + if (hasRemoteParent != null) { + spanBuilder.setSameProcessAsParentSpan(BoolValue.of(!hasRemoteParent)); + } + + SpanId parentSpanId = spanData.getParentSpanId(); + if (parentSpanId != null && parentSpanId.isValid()) { + spanBuilder.setParentSpanId(toByteString(parentSpanId.getBytes())); + } + + return spanBuilder.build(); + } + + @VisibleForTesting + static ByteString toByteString(byte[] bytes) { + return ByteString.copyFrom(bytes); + } + + private static Tracestate toTracestateProto(io.opencensus.trace.Tracestate tracestate) { + return Tracestate.newBuilder().addAllEntries(toEntriesProto(tracestate.getEntries())).build(); + } + + private static List<Entry> toEntriesProto(List<io.opencensus.trace.Tracestate.Entry> entries) { + List<Entry> entriesProto = new ArrayList<Entry>(); + for (io.opencensus.trace.Tracestate.Entry entry : entries) { + entriesProto.add( + Entry.newBuilder().setKey(entry.getKey()).setValue(entry.getValue()).build()); + } + return entriesProto; + } + + private static SpanKind toSpanKindProto(Kind kind) { + switch (kind) { + case CLIENT: + return SpanKind.CLIENT; + case SERVER: + return SpanKind.SERVER; + } + return SpanKind.UNRECOGNIZED; + } + + private static Span.TimeEvents toTimeEventsProto( + TimedEvents<Annotation> annotationTimedEvents, + TimedEvents<io.opencensus.trace.MessageEvent> messageEventTimedEvents) { + Span.TimeEvents.Builder timeEventsBuilder = Span.TimeEvents.newBuilder(); + timeEventsBuilder.setDroppedAnnotationsCount(annotationTimedEvents.getDroppedEventsCount()); + for (TimedEvent<Annotation> annotation : annotationTimedEvents.getEvents()) { + timeEventsBuilder.addTimeEvent(toTimeAnnotationProto(annotation)); + } + timeEventsBuilder.setDroppedMessageEventsCount(messageEventTimedEvents.getDroppedEventsCount()); + for (TimedEvent<io.opencensus.trace.MessageEvent> networkEvent : + messageEventTimedEvents.getEvents()) { + timeEventsBuilder.addTimeEvent(toTimeMessageEventProto(networkEvent)); + } + return timeEventsBuilder.build(); + } + + private static TimeEvent toTimeAnnotationProto(TimedEvent<Annotation> timedEvent) { + TimeEvent.Builder timeEventBuilder = + TimeEvent.newBuilder().setTime(toTimestampProto(timedEvent.getTimestamp())); + Annotation annotation = timedEvent.getEvent(); + timeEventBuilder.setAnnotation( + TimeEvent.Annotation.newBuilder() + .setDescription(toTruncatableStringProto(annotation.getDescription())) + .setAttributes(toAttributesBuilderProto(annotation.getAttributes(), 0)) + .build()); + return timeEventBuilder.build(); + } + + private static TimeEvent toTimeMessageEventProto( + TimedEvent<io.opencensus.trace.MessageEvent> timedEvent) { + TimeEvent.Builder timeEventBuilder = + TimeEvent.newBuilder().setTime(toTimestampProto(timedEvent.getTimestamp())); + io.opencensus.trace.MessageEvent messageEvent = timedEvent.getEvent(); + timeEventBuilder.setMessageEvent( + TimeEvent.MessageEvent.newBuilder() + .setId(messageEvent.getMessageId()) + .setCompressedSize(messageEvent.getCompressedMessageSize()) + .setUncompressedSize(messageEvent.getUncompressedMessageSize()) + .setType(toMessageEventTypeProto(messageEvent)) + .build()); + return timeEventBuilder.build(); + } + + private static TimeEvent.MessageEvent.Type toMessageEventTypeProto( + io.opencensus.trace.MessageEvent messageEvent) { + if (messageEvent.getType() == Type.RECEIVED) { + return MessageEvent.Type.RECEIVED; + } else { + return MessageEvent.Type.SENT; + } + } + + private static Attributes toAttributesProto( + io.opencensus.trace.export.SpanData.Attributes attributes) { + Attributes.Builder attributesBuilder = + toAttributesBuilderProto( + attributes.getAttributeMap(), attributes.getDroppedAttributesCount()); + return attributesBuilder.build(); + } + + private static Attributes.Builder toAttributesBuilderProto( + Map<String, io.opencensus.trace.AttributeValue> attributes, int droppedAttributesCount) { + Attributes.Builder attributesBuilder = + Attributes.newBuilder().setDroppedAttributesCount(droppedAttributesCount); + for (Map.Entry<String, io.opencensus.trace.AttributeValue> label : attributes.entrySet()) { + AttributeValue value = toAttributeValueProto(label.getValue()); + if (value != null) { + attributesBuilder.putAttributeMap(label.getKey(), value); + } + } + return attributesBuilder; + } + + @javax.annotation.Nullable + private static AttributeValue toAttributeValueProto( + io.opencensus.trace.AttributeValue attributeValue) { + return attributeValue.match( + stringAttributeValueFunction, + booleanAttributeValueFunction, + longAttributeValueFunction, + doubleAttributeValueFunction, + Functions.</*@Nullable*/ AttributeValue>returnNull()); + } + + private static Status toStatusProto(io.opencensus.trace.Status status) { + Status.Builder statusBuilder = Status.newBuilder().setCode(status.getCanonicalCode().value()); + if (status.getDescription() != null) { + statusBuilder.setMessage(status.getDescription()); + } + return statusBuilder.build(); + } + + @VisibleForTesting + static TruncatableString toTruncatableStringProto(String string) { + return TruncatableString.newBuilder().setValue(string).setTruncatedByteCount(0).build(); + } + + private static com.google.protobuf.Timestamp toTimestampProto(Timestamp timestamp) { + return com.google.protobuf.Timestamp.newBuilder() + .setSeconds(timestamp.getSeconds()) + .setNanos(timestamp.getNanos()) + .build(); + } + + private static Link.Type toLinkTypeProto(io.opencensus.trace.Link.Type type) { + if (type == io.opencensus.trace.Link.Type.PARENT_LINKED_SPAN) { + return Link.Type.PARENT_LINKED_SPAN; + } else { + return Link.Type.CHILD_LINKED_SPAN; + } + } + + @SuppressWarnings("DefaultCharset") + private static Link toLinkProto(io.opencensus.trace.Link link) { + return Link.newBuilder() + .setTraceId(toByteString(link.getTraceId().getBytes())) + .setSpanId(toByteString(link.getSpanId().getBytes())) + .setType(toLinkTypeProto(link.getType())) + .setAttributes(toAttributesBuilderProto(link.getAttributes(), 0)) + .build(); + } + + private static Links toLinksProto(io.opencensus.trace.export.SpanData.Links links) { + final Links.Builder linksBuilder = + Links.newBuilder().setDroppedLinksCount(links.getDroppedLinksCount()); + for (io.opencensus.trace.Link link : links.getLinks()) { + linksBuilder.addLink(toLinkProto(link)); + } + return linksBuilder.build(); + } + + /** + * Converts {@link TraceParams} to {@link TraceConfig}. + * + * @param traceParams the {@code TraceParams}. + * @return {@code TraceConfig}. + * @since 0.17 + */ + public static TraceConfig toTraceConfigProto(TraceParams traceParams) { + TraceConfig.Builder traceConfigProtoBuilder = TraceConfig.newBuilder(); + Sampler librarySampler = traceParams.getSampler(); + + if (Samplers.alwaysSample().equals(librarySampler)) { + traceConfigProtoBuilder.setConstantSampler( + ConstantSampler.newBuilder().setDecision(true).build()); + } else if (Samplers.neverSample().equals(librarySampler)) { + traceConfigProtoBuilder.setConstantSampler( + ConstantSampler.newBuilder().setDecision(false).build()); + } else { + // TODO: consider exposing the sampling probability of ProbabilitySampler. + double samplingProbability = parseSamplingProbability(librarySampler); + traceConfigProtoBuilder.setProbabilitySampler( + ProbabilitySampler.newBuilder().setSamplingProbability(samplingProbability).build()); + } // TODO: add support for RateLimitingSampler. + + return traceConfigProtoBuilder.build(); + } + + private static double parseSamplingProbability(Sampler sampler) { + String description = sampler.getDescription(); + // description follows format "ProbabilitySampler{%.6f}", samplingProbability. + int leftParenIndex = description.indexOf("{"); + int rightParenIndex = description.indexOf("}"); + return Double.parseDouble(description.substring(leftParenIndex + 1, rightParenIndex)); + } + + /** + * Converts {@link TraceConfig} to {@link TraceParams}. + * + * @param traceConfigProto {@code TraceConfig}. + * @param currentTraceParams current {@code TraceParams}. + * @return updated {@code TraceParams}. + * @since 0.17 + */ + public static TraceParams fromTraceConfigProto( + TraceConfig traceConfigProto, TraceParams currentTraceParams) { + TraceParams.Builder builder = currentTraceParams.toBuilder(); + if (traceConfigProto.hasConstantSampler()) { + ConstantSampler constantSampler = traceConfigProto.getConstantSampler(); + if (Boolean.TRUE.equals(constantSampler.getDecision())) { + builder.setSampler(Samplers.alwaysSample()); + } else { + builder.setSampler(Samplers.neverSample()); + } + } else if (traceConfigProto.hasProbabilitySampler()) { + builder.setSampler( + Samplers.probabilitySampler( + traceConfigProto.getProbabilitySampler().getSamplingProbability())); + } // TODO: add support for RateLimitingSampler. + return builder.build(); + } + + private TraceProtoUtils() {} +} diff --git a/contrib/opencensus_proto_util/src/test/java/io/opencensus/contrib/opencensus/proto/util/TraceProtoUtilsTest.java b/contrib/opencensus_proto_util/src/test/java/io/opencensus/contrib/opencensus/proto/util/TraceProtoUtilsTest.java new file mode 100644 index 00000000..37908f6b --- /dev/null +++ b/contrib/opencensus_proto_util/src/test/java/io/opencensus/contrib/opencensus/proto/util/TraceProtoUtilsTest.java @@ -0,0 +1,318 @@ +/* + * Copyright 2018, OpenCensus 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.opencensus.contrib.opencensus.proto.util; + +import static com.google.common.truth.Truth.assertThat; +import static io.opencensus.contrib.opencensus.proto.util.TraceProtoUtils.toByteString; +import static io.opencensus.contrib.opencensus.proto.util.TraceProtoUtils.toTruncatableStringProto; + +import com.google.common.collect.ImmutableList; +import com.google.common.collect.ImmutableMap; +import com.google.protobuf.BoolValue; +import com.google.protobuf.UInt32Value; +import io.opencensus.common.Timestamp; +import io.opencensus.proto.trace.v1.AttributeValue; +import io.opencensus.proto.trace.v1.ConstantSampler; +import io.opencensus.proto.trace.v1.ProbabilitySampler; +import io.opencensus.proto.trace.v1.Span; +import io.opencensus.proto.trace.v1.Span.SpanKind; +import io.opencensus.proto.trace.v1.Span.TimeEvent; +import io.opencensus.proto.trace.v1.Span.TimeEvent.MessageEvent; +import io.opencensus.proto.trace.v1.TraceConfig; +import io.opencensus.trace.Annotation; +import io.opencensus.trace.Link; +import io.opencensus.trace.Sampler; +import io.opencensus.trace.Span.Kind; +import io.opencensus.trace.SpanContext; +import io.opencensus.trace.SpanId; +import io.opencensus.trace.Status; +import io.opencensus.trace.TraceId; +import io.opencensus.trace.TraceOptions; +import io.opencensus.trace.Tracestate; +import io.opencensus.trace.config.TraceParams; +import io.opencensus.trace.export.SpanData; +import io.opencensus.trace.export.SpanData.TimedEvent; +import io.opencensus.trace.export.SpanData.TimedEvents; +import io.opencensus.trace.samplers.Samplers; +import java.util.List; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.junit.runners.JUnit4; + +/** Tests for {@link TraceProtoUtils}. */ +@RunWith(JUnit4.class) +public class TraceProtoUtilsTest { + + private static final TraceParams DEFAULT_PARAMS = TraceParams.DEFAULT; + + private static final Timestamp startTimestamp = Timestamp.create(123, 456); + private static final Timestamp eventTimestamp1 = Timestamp.create(123, 457); + private static final Timestamp eventTimestamp2 = Timestamp.create(123, 458); + private static final Timestamp eventTimestamp3 = Timestamp.create(123, 459); + private static final Timestamp endTimestamp = Timestamp.create(123, 460); + + private static final String TRACE_ID = "4bf92f3577b34da6a3ce929d0e0e4736"; + private static final String SPAN_ID = "24aa0b2d371f48c9"; + private static final String PARENT_SPAN_ID = "71da8d631536f5f1"; + private static final String SPAN_NAME = "MySpanName"; + private static final String ANNOTATION_TEXT = "MyAnnotationText"; + private static final String ATTRIBUTE_KEY_1 = "MyAttributeKey1"; + private static final String ATTRIBUTE_KEY_2 = "MyAttributeKey2"; + + private static final String FIRST_KEY = "key_1"; + private static final String SECOND_KEY = "key_2"; + private static final String FIRST_VALUE = "value.1"; + private static final String SECOND_VALUE = "value.2"; + private static final Tracestate multiValueTracestate = + Tracestate.builder().set(FIRST_KEY, FIRST_VALUE).set(SECOND_KEY, SECOND_VALUE).build(); + + private static final int DROPPED_ATTRIBUTES_COUNT = 1; + private static final int DROPPED_ANNOTATIONS_COUNT = 2; + private static final int DROPPED_NETWORKEVENTS_COUNT = 3; + private static final int DROPPED_LINKS_COUNT = 4; + private static final int CHILD_SPAN_COUNT = 13; + + private static final Annotation annotation = Annotation.fromDescription(ANNOTATION_TEXT); + private static final io.opencensus.trace.MessageEvent recvMessageEvent = + io.opencensus.trace.MessageEvent.builder(io.opencensus.trace.MessageEvent.Type.RECEIVED, 1) + .build(); + private static final io.opencensus.trace.MessageEvent sentMessageEvent = + io.opencensus.trace.MessageEvent.builder(io.opencensus.trace.MessageEvent.Type.SENT, 1) + .build(); + private static final Status status = Status.DEADLINE_EXCEEDED.withDescription("TooSlow"); + private static final SpanId parentSpanId = SpanId.fromLowerBase16(PARENT_SPAN_ID); + private static final SpanId spanId = SpanId.fromLowerBase16(SPAN_ID); + private static final TraceId traceId = TraceId.fromLowerBase16(TRACE_ID); + private static final TraceOptions traceOptions = TraceOptions.DEFAULT; + private static final SpanContext spanContext = + SpanContext.create(traceId, spanId, traceOptions, multiValueTracestate); + + private static final List<TimedEvent<Annotation>> annotationsList = + ImmutableList.of( + SpanData.TimedEvent.create(eventTimestamp1, annotation), + SpanData.TimedEvent.create(eventTimestamp3, annotation)); + private static final List<TimedEvent<io.opencensus.trace.MessageEvent>> networkEventsList = + ImmutableList.of( + SpanData.TimedEvent.create(eventTimestamp1, recvMessageEvent), + SpanData.TimedEvent.create(eventTimestamp2, sentMessageEvent)); + private static final List<Link> linksList = + ImmutableList.of(Link.fromSpanContext(spanContext, Link.Type.CHILD_LINKED_SPAN)); + + private static final SpanData.Attributes attributes = + SpanData.Attributes.create( + ImmutableMap.of( + ATTRIBUTE_KEY_1, + io.opencensus.trace.AttributeValue.longAttributeValue(10L), + ATTRIBUTE_KEY_2, + io.opencensus.trace.AttributeValue.booleanAttributeValue(true)), + DROPPED_ATTRIBUTES_COUNT); + private static final TimedEvents<Annotation> annotations = + TimedEvents.create(annotationsList, DROPPED_ANNOTATIONS_COUNT); + private static final TimedEvents<io.opencensus.trace.MessageEvent> messageEvents = + TimedEvents.create(networkEventsList, DROPPED_NETWORKEVENTS_COUNT); + private static final SpanData.Links links = SpanData.Links.create(linksList, DROPPED_LINKS_COUNT); + + @SuppressWarnings("DefaultCharset") + @Test + public void toSpanProto() { + SpanData spanData = + SpanData.create( + spanContext, + parentSpanId, + /* hasRemoteParent= */ false, + SPAN_NAME, + Kind.CLIENT, + startTimestamp, + attributes, + annotations, + messageEvents, + links, + CHILD_SPAN_COUNT, + status, + endTimestamp); + TimeEvent annotationTimeEvent1 = + TimeEvent.newBuilder() + .setAnnotation( + TimeEvent.Annotation.newBuilder() + .setDescription(toTruncatableStringProto(ANNOTATION_TEXT)) + .setAttributes(Span.Attributes.newBuilder().build()) + .build()) + .setTime( + com.google.protobuf.Timestamp.newBuilder() + .setSeconds(eventTimestamp1.getSeconds()) + .setNanos(eventTimestamp1.getNanos()) + .build()) + .build(); + TimeEvent annotationTimeEvent2 = + TimeEvent.newBuilder() + .setAnnotation( + TimeEvent.Annotation.newBuilder() + .setDescription(toTruncatableStringProto(ANNOTATION_TEXT)) + .setAttributes(Span.Attributes.newBuilder().build()) + .build()) + .setTime( + com.google.protobuf.Timestamp.newBuilder() + .setSeconds(eventTimestamp3.getSeconds()) + .setNanos(eventTimestamp3.getNanos()) + .build()) + .build(); + + TimeEvent sentTimeEvent = + TimeEvent.newBuilder() + .setMessageEvent( + TimeEvent.MessageEvent.newBuilder() + .setType(MessageEvent.Type.SENT) + .setId(sentMessageEvent.getMessageId())) + .setTime( + com.google.protobuf.Timestamp.newBuilder() + .setSeconds(eventTimestamp2.getSeconds()) + .setNanos(eventTimestamp2.getNanos()) + .build()) + .build(); + TimeEvent recvTimeEvent = + TimeEvent.newBuilder() + .setMessageEvent( + TimeEvent.MessageEvent.newBuilder() + .setType(MessageEvent.Type.RECEIVED) + .setId(recvMessageEvent.getMessageId())) + .setTime( + com.google.protobuf.Timestamp.newBuilder() + .setSeconds(eventTimestamp1.getSeconds()) + .setNanos(eventTimestamp1.getNanos()) + .build()) + .build(); + + Span.Links spanLinks = + Span.Links.newBuilder() + .setDroppedLinksCount(DROPPED_LINKS_COUNT) + .addLink( + Span.Link.newBuilder() + .setType(Span.Link.Type.CHILD_LINKED_SPAN) + .setTraceId(toByteString(traceId.getBytes())) + .setSpanId(toByteString(spanId.getBytes())) + .setAttributes(Span.Attributes.newBuilder().build()) + .build()) + .build(); + + io.opencensus.proto.trace.v1.Status spanStatus = + io.opencensus.proto.trace.v1.Status.newBuilder() + .setCode(com.google.rpc.Code.DEADLINE_EXCEEDED.getNumber()) + .setMessage("TooSlow") + .build(); + + com.google.protobuf.Timestamp startTime = + com.google.protobuf.Timestamp.newBuilder() + .setSeconds(startTimestamp.getSeconds()) + .setNanos(startTimestamp.getNanos()) + .build(); + com.google.protobuf.Timestamp endTime = + com.google.protobuf.Timestamp.newBuilder() + .setSeconds(endTimestamp.getSeconds()) + .setNanos(endTimestamp.getNanos()) + .build(); + + Span span = TraceProtoUtils.toSpanProto(spanData); + assertThat(span.getName()).isEqualTo(toTruncatableStringProto(SPAN_NAME)); + assertThat(span.getTraceId()).isEqualTo(toByteString(traceId.getBytes())); + assertThat(span.getSpanId()).isEqualTo(toByteString(spanId.getBytes())); + assertThat(span.getParentSpanId()).isEqualTo(toByteString(parentSpanId.getBytes())); + assertThat(span.getStartTime()).isEqualTo(startTime); + assertThat(span.getEndTime()).isEqualTo(endTime); + assertThat(span.getKind()).isEqualTo(SpanKind.CLIENT); + assertThat(span.getAttributes().getDroppedAttributesCount()) + .isEqualTo(DROPPED_ATTRIBUTES_COUNT); + // The generated attributes map contains more values (e.g. agent). We only test what we added. + assertThat(span.getAttributes().getAttributeMapMap()) + .containsEntry(ATTRIBUTE_KEY_1, AttributeValue.newBuilder().setIntValue(10L).build()); + assertThat(span.getAttributes().getAttributeMapMap()) + .containsEntry(ATTRIBUTE_KEY_2, AttributeValue.newBuilder().setBoolValue(true).build()); + assertThat(span.getTimeEvents().getDroppedMessageEventsCount()) + .isEqualTo(DROPPED_NETWORKEVENTS_COUNT); + assertThat(span.getTimeEvents().getDroppedAnnotationsCount()) + .isEqualTo(DROPPED_ANNOTATIONS_COUNT); + assertThat(span.getTimeEvents().getTimeEventList()) + .containsAllOf(annotationTimeEvent1, annotationTimeEvent2, sentTimeEvent, recvTimeEvent); + assertThat(span.getLinks()).isEqualTo(spanLinks); + assertThat(span.getStatus()).isEqualTo(spanStatus); + assertThat(span.getSameProcessAsParentSpan()).isEqualTo(BoolValue.of(true)); + assertThat(span.getChildSpanCount()) + .isEqualTo(UInt32Value.newBuilder().setValue(CHILD_SPAN_COUNT).build()); + } + + @Test + public void toTraceConfigProto_AlwaysSampler() { + assertThat(TraceProtoUtils.toTraceConfigProto(getTraceParams(Samplers.alwaysSample()))) + .isEqualTo( + TraceConfig.newBuilder() + .setConstantSampler(ConstantSampler.newBuilder().setDecision(true).build()) + .build()); + } + + @Test + public void toTraceConfigProto_NeverSampler() { + assertThat(TraceProtoUtils.toTraceConfigProto(getTraceParams(Samplers.neverSample()))) + .isEqualTo( + TraceConfig.newBuilder() + .setConstantSampler(ConstantSampler.newBuilder().setDecision(false).build()) + .build()); + } + + @Test + public void toTraceConfigProto_ProbabilitySampler() { + assertThat(TraceProtoUtils.toTraceConfigProto(getTraceParams(Samplers.probabilitySampler(0.5)))) + .isEqualTo( + TraceConfig.newBuilder() + .setProbabilitySampler( + ProbabilitySampler.newBuilder().setSamplingProbability(0.5).build()) + .build()); + } + + @Test + public void fromTraceConfigProto_AlwaysSampler() { + TraceConfig traceConfig = + TraceConfig.newBuilder() + .setConstantSampler(ConstantSampler.newBuilder().setDecision(true).build()) + .build(); + assertThat(TraceProtoUtils.fromTraceConfigProto(traceConfig, DEFAULT_PARAMS).getSampler()) + .isEqualTo(Samplers.alwaysSample()); + } + + @Test + public void fromTraceConfigProto_NeverSampler() { + TraceConfig traceConfig = + TraceConfig.newBuilder() + .setConstantSampler(ConstantSampler.newBuilder().setDecision(false).build()) + .build(); + assertThat(TraceProtoUtils.fromTraceConfigProto(traceConfig, DEFAULT_PARAMS).getSampler()) + .isEqualTo(Samplers.neverSample()); + } + + @Test + public void fromTraceConfigProto_ProbabilitySampler() { + TraceConfig traceConfig = + TraceConfig.newBuilder() + .setProbabilitySampler( + ProbabilitySampler.newBuilder().setSamplingProbability(0.01).build()) + .build(); + assertThat(TraceProtoUtils.fromTraceConfigProto(traceConfig, DEFAULT_PARAMS).getSampler()) + .isEqualTo(Samplers.probabilitySampler(0.01)); + } + + private static TraceParams getTraceParams(Sampler sampler) { + return DEFAULT_PARAMS.toBuilder().setSampler(sampler).build(); + } +} |