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core: Make OpenCensus tags non-propagating. (#5689) 

The `method` and `status` shouldn't be propagated in the first place,
but in previous OpenCensus implementation all tags are propagating by
default. Now with the TagMetadata it may make sense to change them to
local tags.

This will be a breaking change to users who depend on the behavior that
these tags propagate through process boundaries.
This commit is contained in:
Yang Song 2019-05-24 14:32:26 -07:00 committed by Kun Zhang
parent d86d3dd363
commit 46f34a513f
4 changed files with 10 additions and 10 deletions
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8
core/src/main/java/io/grpc/internal/CensusStatsModule.java
View File

@ -356,7 +356,7 @@ public final class CensusStatsModule {
this.parentCtx = checkNotNull(parentCtx);
TagValue methodTag = TagValue.create(fullMethodName);
this.startCtx = module.tagger.toBuilder(parentCtx)
.putPropagating(DeprecatedCensusConstants.RPC_METHOD, methodTag)
.putLocal(DeprecatedCensusConstants.RPC_METHOD, methodTag)
.build();
this.stopwatch = module.stopwatchSupplier.get().start();
if (module.recordStartedRpcs) {
@ -442,7 +442,7 @@ public final class CensusStatsModule {
module
.tagger
.toBuilder(startCtx)
.putPropagating(DeprecatedCensusConstants.RPC_STATUS, statusTag)
.putLocal(DeprecatedCensusConstants.RPC_STATUS, statusTag)
.build());
}
}
@ -647,7 +647,7 @@ public final class CensusStatsModule {
module
.tagger
.toBuilder(parentCtx)
.putPropagating(DeprecatedCensusConstants.RPC_STATUS, statusTag)
.putLocal(DeprecatedCensusConstants.RPC_STATUS, statusTag)
.build());
}
@ -672,7 +672,7 @@ public final class CensusStatsModule {
parentCtx =
tagger
.toBuilder(parentCtx)
.putPropagating(DeprecatedCensusConstants.RPC_METHOD, methodTag)
.putLocal(DeprecatedCensusConstants.RPC_METHOD, methodTag)
.build();
return new ServerTracer(CensusStatsModule.this, parentCtx);
}

8
core/src/test/java/io/grpc/internal/CensusModulesTest.java
View File

@ -255,7 +255,7 @@ public class CensusModulesTest {
Context.ROOT,
tagger
.emptyBuilder()
.putPropagating(StatsTestUtils.EXTRA_TAG, TagValue.create("extra value"))
.putLocal(StatsTestUtils.EXTRA_TAG, TagValue.create("extra value"))
.build());
ctx = ContextUtils.withValue(ctx, fakeClientParentSpan);
Context origCtx = ctx.attach();
@ -648,7 +648,7 @@ public class CensusModulesTest {
// EXTRA_TAG is propagated by the FakeStatsContextFactory. Note that not all tags are
// propagated. The StatsContextFactory decides which tags are to propagated. gRPC facilitates
// the propagation by putting them in the headers.
TagContext clientCtx = tagger.emptyBuilder().putPropagating(
TagContext clientCtx = tagger.emptyBuilder().putLocal(
StatsTestUtils.EXTRA_TAG, TagValue.create("extra-tag-value-897")).build();
CensusStatsModule census =
new CensusStatsModule(
@ -689,7 +689,7 @@ public class CensusModulesTest {
// It also put clientCtx in the Context seen by the call handler
assertEquals(
tagger.toBuilder(clientCtx)
.putPropagating(
.putLocal(
DeprecatedCensusConstants.RPC_METHOD,
TagValue.create(method.getFullMethodName()))
.build(),
@ -925,7 +925,7 @@ public class CensusModulesTest {
assertEquals(
tagger
.emptyBuilder()
.putPropagating(
.putLocal(
DeprecatedCensusConstants.RPC_METHOD,
TagValue.create(method.getFullMethodName()))
.build(),

2
interop-testing/src/main/java/io/grpc/testing/integration/AbstractInteropTest.java
View File

@ -1450,7 +1450,7 @@ public abstract class AbstractInteropTest {
Context.ROOT,
tagger
.emptyBuilder()
.putPropagating(StatsTestUtils.EXTRA_TAG, TagValue.create("extra value"))
.putLocal(StatsTestUtils.EXTRA_TAG, TagValue.create("extra value"))
.build());
ctx = ContextUtils.withValue(ctx, clientParentSpan);
Context origCtx = ctx.attach();

2
testing/src/main/java/io/grpc/internal/testing/StatsTestUtils.java
View File

@ -204,7 +204,7 @@ public class StatsTestUtils {
String serializedString = new String(bytes, UTF_8);
if (serializedString.startsWith(EXTRA_TAG_HEADER_VALUE_PREFIX)) {
return tagger.emptyBuilder()
.putPropagating(EXTRA_TAG,
.putLocal(EXTRA_TAG,
TagValue.create(serializedString.substring(EXTRA_TAG_HEADER_VALUE_PREFIX.length())))
.build();
} else {