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Merge branch 'grpc:master' into Issue_fixed_12142

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Sangamesh 2025-07-18 10:55:56 +05:30 committed by GitHub
parent 356f3457c0 2e96fbf1e8
commit f9e6703580
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22 changed files with 312 additions and 65 deletions
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4
api/src/main/java/io/grpc/LoadBalancer.java
View File

@ -1189,6 +1189,10 @@ public abstract class LoadBalancer {
* Returns a {@link SynchronizationContext} that runs tasks in the same Synchronization Context
* as that the callback methods on the {@link LoadBalancer} interface are run in.
*
* <p>Work added to the synchronization context might not run immediately, so LB implementations
* must be careful to ensure that any assumptions still hold when it is executed. In particular,
* the LB might have been shut down or subchannels might have changed state.
*
* <p>Pro-tip: in order to call {@link SynchronizationContext#schedule}, you need to provide a
* {@link ScheduledExecutorService}. {@link #getScheduledExecutorService} is provided for your
* convenience.

16
api/src/main/java/io/grpc/NameResolver.java
View File

@ -239,6 +239,9 @@ public abstract class NameResolver {
* {@link ResolutionResult#getAddressesOrError()} is empty, {@link #onError(Status)} will be
* called.
*
* <p>Newer NameResolver implementations should prefer calling onResult2. This method exists to
* facilitate older {@link Listener} implementations to migrate to {@link Listener2}.
*
* @param resolutionResult the resolved server addresses, attributes, and Service Config.
* @since 1.21.0
*/
@ -248,6 +251,10 @@ public abstract class NameResolver {
* Handles a name resolving error from the resolver. The listener is responsible for eventually
* invoking {@link NameResolver#refresh()} to re-attempt resolution.
*
* <p>New NameResolver implementations should prefer calling onResult2 which will have the
* address resolution error in {@link ResolutionResult}'s addressesOrError. This method exists
* to facilitate older implementations using {@link Listener} to migrate to {@link Listener2}.
*
* @param error a non-OK status
* @since 1.21.0
*/
@ -255,9 +262,14 @@ public abstract class NameResolver {
public abstract void onError(Status error);
/**
* Handles updates on resolved addresses and attributes.
* Handles updates on resolved addresses and attributes. Must be called from the same
* {@link SynchronizationContext} available in {@link NameResolver.Args} that is passed
* from the channel.
*
* @param resolutionResult the resolved server addresses, attributes, and Service Config.
* @param resolutionResult the resolved server addresses or error in address resolution,
* attributes, and Service Config or error
* @return status indicating whether the resolutionResult was accepted by the listener,
* typically the result from a load balancer.
* @since 1.66
*/
public Status onResult2(ResolutionResult resolutionResult) {

3
core/src/main/java/io/grpc/internal/ManagedChannelImpl.java
View File

@ -1967,6 +1967,9 @@ final class ManagedChannelImpl extends ManagedChannel implements
public void requestConnection() {
syncContext.throwIfNotInThisSynchronizationContext();
checkState(started, "not started");
if (shutdown) {
return;
}
subchannel.obtainActiveTransport();
}

14
core/src/main/java/io/grpc/internal/PickFirstLoadBalancer.java
View File

@ -134,7 +134,7 @@ final class PickFirstLoadBalancer extends LoadBalancer {
SubchannelPicker picker;
switch (newState) {
case IDLE:
picker = new RequestConnectionPicker(subchannel);
picker = new RequestConnectionPicker();
break;
case CONNECTING:
// It's safe to use RequestConnectionPicker here, so when coming from IDLE we could leave
@ -197,22 +197,12 @@ final class PickFirstLoadBalancer extends LoadBalancer {
/** Picker that requests connection during the first pick, and returns noResult. */
private final class RequestConnectionPicker extends SubchannelPicker {
private final Subchannel subchannel;
private final AtomicBoolean connectionRequested = new AtomicBoolean(false);
RequestConnectionPicker(Subchannel subchannel) {
this.subchannel = checkNotNull(subchannel, "subchannel");
}
@Override
public PickResult pickSubchannel(PickSubchannelArgs args) {
if (connectionRequested.compareAndSet(false, true)) {
helper.getSynchronizationContext().execute(new Runnable() {
@Override
public void run() {
subchannel.requestConnection();
}
});
helper.getSynchronizationContext().execute(PickFirstLoadBalancer.this::requestConnection);
}
return PickResult.withNoResult();
}

13
core/src/test/java/io/grpc/internal/ManagedChannelImplTest.java
View File

@ -1767,6 +1767,19 @@ public class ManagedChannelImplTest {
any(SocketAddress.class), any(ClientTransportOptions.class), any(ChannelLogger.class));
}
@Test
public void subchannelsRequestConnectionNoopAfterShutdown() {
createChannel();
Subchannel sub1 =
createSubchannelSafely(helper, addressGroup, Attributes.EMPTY, subchannelStateListener);
shutdownSafely(helper, sub1);
requestConnectionSafely(helper, sub1);
verify(mockTransportFactory, never())
.newClientTransport(
any(SocketAddress.class), any(ClientTransportOptions.class), any(ChannelLogger.class));
}
@Test
public void subchannelsNoConnectionShutdownNow() {
createChannel();

15
examples/src/main/java/io/grpc/examples/customloadbalance/ShufflingPickFirstLoadBalancer.java
View File

@ -122,7 +122,7 @@ class ShufflingPickFirstLoadBalancer extends LoadBalancer {
SubchannelPicker picker;
switch (currentState) {
case IDLE:
picker = new RequestConnectionPicker(subchannel);
picker = new RequestConnectionPicker();
break;
case CONNECTING:
picker = new Picker(PickResult.withNoResult());
@ -182,22 +182,13 @@ class ShufflingPickFirstLoadBalancer extends LoadBalancer {
*/
private final class RequestConnectionPicker extends SubchannelPicker {
private final Subchannel subchannel;
private final AtomicBoolean connectionRequested = new AtomicBoolean(false);
RequestConnectionPicker(Subchannel subchannel) {
this.subchannel = checkNotNull(subchannel, "subchannel");
}
@Override
public PickResult pickSubchannel(PickSubchannelArgs args) {
if (connectionRequested.compareAndSet(false, true)) {
helper.getSynchronizationContext().execute(new Runnable() {
@Override
public void run() {
subchannel.requestConnection();
}
});
helper.getSynchronizationContext().execute(
ShufflingPickFirstLoadBalancer.this::requestConnection);
}
return PickResult.withNoResult();
}

26
netty/src/main/java/io/grpc/netty/NettyClientHandler.java
View File

@ -738,14 +738,19 @@ class NettyClientHandler extends AbstractNettyHandler {
// Attach the client stream to the HTTP/2 stream object as user data.
stream.setHttp2Stream(http2Stream);
}
promise.setSuccess();
} else {
// Otherwise, the stream has been cancelled and Netty is sending a
// RST_STREAM frame which causes it to purge pending writes from the
// flow-controller and delete the http2Stream. The stream listener has already
// been notified of cancellation so there is nothing to do.
// Just forward on the success status to the original promise.
promise.setSuccess();
//
// This process has been observed to fail in some circumstances, leaving listeners
// unanswered. Ensure that some exception has been delivered consistent with the
// implied RST_STREAM result above.
Status status = Status.INTERNAL.withDescription("unknown stream for connection");
promise.setFailure(status.asRuntimeException());
}
} else {
Throwable cause = future.cause();
if (cause instanceof StreamBufferingEncoder.Http2GoAwayException) {
@ -768,6 +773,19 @@ class NettyClientHandler extends AbstractNettyHandler {
}
}
});
// When the HEADERS are not buffered because of MAX_CONCURRENT_STREAMS in
// StreamBufferingEncoder, the stream is created immediately even if the bytes of the HEADERS
// are delayed because the OS may have too much buffered and isn't accepting the write. The
// write promise is also delayed until flush(). However, we need to associate the netty stream
// with the transport state so that goingAway() and forcefulClose() and able to notify the
// stream of failures.
//
// This leaves a hole when MAX_CONCURRENT_STREAMS is reached, as http2Stream will be null, but
// it is better than nothing.
Http2Stream http2Stream = connection().stream(streamId);
if (http2Stream != null) {
http2Stream.setProperty(streamKey, stream);
}
}
/**

24
netty/src/test/java/io/grpc/netty/NettyClientHandlerTest.java
View File

@ -268,7 +268,7 @@ public class NettyClientHandlerTest extends NettyHandlerTestBase<NettyClientHand
// Cancel the stream.
cancelStream(Status.CANCELLED);
assertTrue(createFuture.isSuccess());
assertFalse(createFuture.isSuccess());
verify(streamListener).closed(eq(Status.CANCELLED), same(PROCESSED), any(Metadata.class));
}
@ -311,7 +311,7 @@ public class NettyClientHandlerTest extends NettyHandlerTestBase<NettyClientHand
ChannelFuture cancelFuture = cancelStream(Status.CANCELLED);
assertTrue(cancelFuture.isSuccess());
assertTrue(createFuture.isDone());
assertTrue(createFuture.isSuccess());
assertFalse(createFuture.isSuccess());
}
/**
@ -453,6 +453,26 @@ public class NettyClientHandlerTest extends NettyHandlerTestBase<NettyClientHand
assertTrue(future.isDone());
}
@Test
public void receivedAbruptGoAwayShouldFailRacingQueuedIoStreamid() throws Exception {
// Purposefully avoid flush(), since we want the write to not actually complete.
// EmbeddedChannel doesn't support flow control, so this is the next closest approximation.
ChannelFuture future = channel().write(
newCreateStreamCommand(grpcHeaders, streamTransportState));
// Read a GOAWAY that indicates our stream can't be sent
channelRead(goAwayFrame(0, 0 /* NO_ERROR */, Unpooled.copiedBuffer("this is a test", UTF_8)));
ArgumentCaptor<Status> captor = ArgumentCaptor.forClass(Status.class);
verify(streamListener).closed(captor.capture(), same(REFUSED),
ArgumentMatchers.<Metadata>notNull());
assertEquals(Status.UNAVAILABLE.getCode(), captor.getValue().getCode());
assertEquals(
"Abrupt GOAWAY closed sent stream. HTTP/2 error code: NO_ERROR, "
+ "debug data: this is a test",
captor.getValue().getDescription());
assertTrue(future.isDone());
}
@Test
public void receivedGoAway_shouldFailBufferedStreamsExceedingMaxConcurrentStreams()
throws Exception {

6
repositories.bzl
View File

@ -101,10 +101,10 @@ def grpc_java_repositories(bzlmod = False):
if not native.existing_rule("com_github_cncf_xds"):
http_archive(
name = "com_github_cncf_xds",
strip_prefix = "xds-024c85f92f20cab567a83acc50934c7f9711d124",
sha256 = "5f403aa681711500ca8e62387be3e37d971977db6e88616fc21862a406430649",
strip_prefix = "xds-2ac532fd44436293585084f8d94c6bdb17835af0",
sha256 = "790c4c83b6950bb602fec221f6a529d9f368cdc8852aae7d2592d0d04b015f37",
urls = [
"https://github.com/cncf/xds/archive/024c85f92f20cab567a83acc50934c7f9711d124.tar.gz",
"https://github.com/cncf/xds/archive/2ac532fd44436293585084f8d94c6bdb17835af0.tar.gz",
],
)
if not bzlmod and not native.existing_rule("com_github_grpc_grpc"):

6
xds/src/main/java/io/grpc/xds/ClusterResolverLoadBalancerProvider.java
View File

@ -89,7 +89,7 @@ public final class ClusterResolverLoadBalancerProvider extends LoadBalancerProvi
@Override
public int hashCode() {
return Objects.hash(discoveryMechanisms, lbConfig);
return Objects.hash(discoveryMechanisms, lbConfig, isHttp11ProxyAvailable);
}
@Override
@ -102,7 +102,8 @@ public final class ClusterResolverLoadBalancerProvider extends LoadBalancerProvi
}
ClusterResolverConfig that = (ClusterResolverConfig) o;
return discoveryMechanisms.equals(that.discoveryMechanisms)
&& lbConfig.equals(that.lbConfig);
&& lbConfig.equals(that.lbConfig)
&& isHttp11ProxyAvailable == that.isHttp11ProxyAvailable;
}
@Override
@ -110,6 +111,7 @@ public final class ClusterResolverLoadBalancerProvider extends LoadBalancerProvi
return MoreObjects.toStringHelper(this)
.add("discoveryMechanisms", discoveryMechanisms)
.add("lbConfig", lbConfig)
.add("isHttp11ProxyAvailable", isHttp11ProxyAvailable)
.toString();
}

15
xds/src/main/java/io/grpc/xds/LazyLoadBalancer.java
View File

@ -99,11 +99,13 @@ final class LazyLoadBalancer extends ForwardingLoadBalancer {
@Override
public void shutdown() {
delegate = new NoopLoadBalancer();
}
private final class LazyPicker extends SubchannelPicker {
@Override
public PickResult pickSubchannel(PickSubchannelArgs args) {
// activate() is a no-op after shutdown()
helper.getSynchronizationContext().execute(LazyDelegate.this::activate);
return PickResult.withNoResult();
}
@ -121,4 +123,17 @@ final class LazyLoadBalancer extends ForwardingLoadBalancer {
return new LazyLoadBalancer(helper, delegate);
}
}
private static final class NoopLoadBalancer extends LoadBalancer {
@Override
public Status acceptResolvedAddresses(ResolvedAddresses resolvedAddresses) {
return Status.OK;
}
@Override
public void handleNameResolutionError(Status error) {}
@Override
public void shutdown() {}
}
}

24
xds/src/main/java/io/grpc/xds/RingHashLoadBalancer.java
View File

@ -51,6 +51,7 @@ import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.stream.Collectors;
import javax.annotation.Nullable;
@ -437,7 +438,9 @@ final class RingHashLoadBalancer extends MultiChildLoadBalancer {
if (subchannelView.connectivityState == IDLE) {
syncContext.execute(() -> {
if (childLbState.getCurrentState() == IDLE) {
childLbState.getLb().requestConnection();
}
});
return PickResult.withNoResult(); // Indicates that this should be retried after backoff
@ -455,9 +458,10 @@ final class RingHashLoadBalancer extends MultiChildLoadBalancer {
return childLbState.getCurrentPicker().pickSubchannel(args);
}
if (!requestedConnection && subchannelView.connectivityState == IDLE) {
syncContext.execute(
() -> {
syncContext.execute(() -> {
if (childLbState.getCurrentState() == IDLE) {
childLbState.getLb().requestConnection();
}
});
requestedConnection = true;
}
@ -523,6 +527,22 @@ final class RingHashLoadBalancer extends MultiChildLoadBalancer {
this.requestHashHeader = requestHashHeader;
}
@Override
public boolean equals(Object o) {
if (!(o instanceof RingHashConfig)) {
return false;
}
RingHashConfig that = (RingHashConfig) o;
return this.minRingSize == that.minRingSize
&& this.maxRingSize == that.maxRingSize
&& Objects.equals(this.requestHashHeader, that.requestHashHeader);
}
@Override
public int hashCode() {
return Objects.hash(minRingSize, maxRingSize, requestHashHeader);
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)

22
xds/src/test/java/io/grpc/xds/ClusterResolverLoadBalancerTest.java
View File

@ -32,6 +32,7 @@ import static org.mockito.Mockito.when;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables;
import com.google.common.testing.EqualsTester;
import io.grpc.Attributes;
import io.grpc.ChannelLogger;
import io.grpc.ConnectivityState;
@ -1199,6 +1200,27 @@ public class ClusterResolverLoadBalancerTest {
any(ConnectivityState.class), any(SubchannelPicker.class));
}
@Test
public void config_equalsTester() {
new EqualsTester()
.addEqualityGroup(
new ClusterResolverConfig(
Collections.singletonList(edsDiscoveryMechanism1), leastRequest, false),
new ClusterResolverConfig(
Collections.singletonList(edsDiscoveryMechanism1), leastRequest, false))
.addEqualityGroup(new ClusterResolverConfig(
Collections.singletonList(edsDiscoveryMechanism1), roundRobin, false))
.addEqualityGroup(new ClusterResolverConfig(
Collections.singletonList(edsDiscoveryMechanism1), leastRequest, true))
.addEqualityGroup(new ClusterResolverConfig(
Collections.singletonList(edsDiscoveryMechanismWithOutlierDetection),
leastRequest,
false))
.addEqualityGroup(new ClusterResolverConfig(
Arrays.asList(edsDiscoveryMechanism1, edsDiscoveryMechanism2), leastRequest, false))
.testEquals();
}
private void deliverLbConfig(ClusterResolverConfig config) {
loadBalancer.acceptResolvedAddresses(
ResolvedAddresses.newBuilder()

94
xds/src/test/java/io/grpc/xds/LazyLoadBalancerTest.java Normal file
View File

@ -0,0 +1,94 @@
/*
* Copyright 2025 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.xds;
import static com.google.common.truth.Truth.assertThat;
import io.grpc.CallOptions;
import io.grpc.ConnectivityState;
import io.grpc.EquivalentAddressGroup;
import io.grpc.LoadBalancer;
import io.grpc.LoadBalancer.ResolvedAddresses;
import io.grpc.LoadBalancer.SubchannelPicker;
import io.grpc.ManagedChannel;
import io.grpc.Metadata;
import io.grpc.SynchronizationContext;
import io.grpc.internal.PickSubchannelArgsImpl;
import io.grpc.testing.TestMethodDescriptors;
import java.util.Arrays;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Unit test for {@link io.grpc.xds.LazyLoadBalancer}. */
@RunWith(JUnit4.class)
public final class LazyLoadBalancerTest {
private SynchronizationContext syncContext =
new SynchronizationContext((t, e) -> {
throw new AssertionError(e);
});
private LoadBalancer.PickSubchannelArgs args = new PickSubchannelArgsImpl(
TestMethodDescriptors.voidMethod(),
new Metadata(),
CallOptions.DEFAULT,
new LoadBalancer.PickDetailsConsumer() {});
private FakeHelper helper = new FakeHelper();
@Test
public void pickerIsNoopAfterEarlyShutdown() {
LazyLoadBalancer lb = new LazyLoadBalancer(helper, new LoadBalancer.Factory() {
@Override
public LoadBalancer newLoadBalancer(LoadBalancer.Helper helper) {
throw new AssertionError("unexpected");
}
});
lb.acceptResolvedAddresses(ResolvedAddresses.newBuilder()
.setAddresses(Arrays.asList())
.build());
SubchannelPicker picker = helper.picker;
assertThat(picker).isNotNull();
lb.shutdown();
picker.pickSubchannel(args);
}
class FakeHelper extends LoadBalancer.Helper {
ConnectivityState state;
SubchannelPicker picker;
@Override
public ManagedChannel createOobChannel(EquivalentAddressGroup eag, String authority) {
throw new UnsupportedOperationException();
}
@Override
public void updateBalancingState(ConnectivityState newState, SubchannelPicker newPicker) {
this.state = newState;
this.picker = newPicker;
}
@Override
public SynchronizationContext getSynchronizationContext() {
return syncContext;
}
@Override
public String getAuthority() {
return "localhost";
}
}
}

18
xds/src/test/java/io/grpc/xds/RingHashLoadBalancerTest.java
View File

@ -42,6 +42,7 @@ import static org.mockito.Mockito.verifyNoMoreInteractions;
import com.google.common.collect.Iterables;
import com.google.common.primitives.UnsignedInteger;
import com.google.common.testing.EqualsTester;
import io.grpc.Attributes;
import io.grpc.CallOptions;
import io.grpc.ConnectivityState;
@ -260,7 +261,7 @@ public class RingHashLoadBalancerTest {
private void verifyConnection(int times) {
for (int i = 0; i < times; i++) {
Subchannel connectOnce = connectionRequestedQueue.poll();
assertWithMessage("Null connection is at (%s) of (%s)", i, times)
assertWithMessage("Expected %s new connections, but found %s", times, i)
.that(connectOnce).isNotNull();
clearInvocations(connectOnce);
}
@ -647,7 +648,7 @@ public class RingHashLoadBalancerTest {
getSubchannel(servers, 2),
ConnectivityStateInfo.forTransientFailure(
Status.PERMISSION_DENIED.withDescription("permission denied")));
verify(helper).updateBalancingState(eq(CONNECTING), pickerCaptor.capture());
verify(helper).updateBalancingState(eq(TRANSIENT_FAILURE), pickerCaptor.capture());
verifyConnection(0);
PickResult result = pickerCaptor.getValue().pickSubchannel(args); // activate last subchannel
assertThat(result.getStatus().isOk()).isTrue();
@ -1113,6 +1114,19 @@ public class RingHashLoadBalancerTest {
assertThat(picks).containsExactly(subchannel1);
}
@Test
public void config_equalsTester() {
new EqualsTester()
.addEqualityGroup(
new RingHashConfig(1, 2, "headerA"),
new RingHashConfig(1, 2, "headerA"))
.addEqualityGroup(new RingHashConfig(1, 1, "headerA"))
.addEqualityGroup(new RingHashConfig(2, 2, "headerA"))
.addEqualityGroup(new RingHashConfig(1, 2, "headerB"))
.addEqualityGroup(new RingHashConfig(1, 2, ""))
.testEquals();
}
private List<Subchannel> initializeLbSubchannels(RingHashConfig config,
List<EquivalentAddressGroup> servers, InitializationFlags... initFlags) {

3
xds/third_party/xds/import.sh vendored
View File

@ -17,7 +17,7 @@
set -e
# import VERSION from one of the google internal CLs
VERSION=024c85f92f20cab567a83acc50934c7f9711d124
VERSION=2ac532fd44436293585084f8d94c6bdb17835af0
DOWNLOAD_URL="https://github.com/cncf/xds/archive/${VERSION}.tar.gz"
DOWNLOAD_BASE_DIR="xds-${VERSION}"
SOURCE_PROTO_BASE_DIR="${DOWNLOAD_BASE_DIR}"
@ -40,6 +40,7 @@ xds/annotations/v3/versioning.proto
xds/core/v3/authority.proto
xds/core/v3/collection_entry.proto
xds/core/v3/context_params.proto
xds/core/v3/cidr.proto
xds/core/v3/extension.proto
xds/core/v3/resource_locator.proto
xds/core/v3/resource_name.proto

25
xds/third_party/xds/src/main/proto/xds/core/v3/cidr.proto vendored Normal file
View File

@ -0,0 +1,25 @@
syntax = "proto3";
package xds.core.v3;
import "xds/annotations/v3/status.proto";
import "google/protobuf/wrappers.proto";
import "validate/validate.proto";
option java_outer_classname = "CidrRangeProto";
option java_multiple_files = true;
option java_package = "com.github.xds.core.v3";
option go_package = "github.com/cncf/xds/go/xds/core/v3";
option (xds.annotations.v3.file_status).work_in_progress = true;
// CidrRange specifies an IP Address and a prefix length to construct
// the subnet mask for a `CIDR <https://tools.ietf.org/html/rfc4632>`_ range.
message CidrRange {
// IPv4 or IPv6 address, e.g. ``192.0.0.0`` or ``2001:db8::``.
string address_prefix = 1 [(validate.rules).string = {min_len: 1}];
// Length of prefix, e.g. 0, 32. Defaults to 0 when unset.
google.protobuf.UInt32Value prefix_len = 2 [(validate.rules).uint32 = {lte: 128}];
}

2
xds/third_party/xds/src/main/proto/xds/data/orca/v3/orca_load_report.proto vendored
View File

@ -10,7 +10,7 @@ option go_package = "github.com/cncf/xds/go/xds/data/orca/v3";
import "validate/validate.proto";
// See section `ORCA load report format` of the design document in
// :ref:`https://github.com/envoyproxy/envoy/issues/6614`.
// https://github.com/envoyproxy/envoy/issues/6614.
message OrcaLoadReport {
// CPU utilization expressed as a fraction of available CPU resources. This

7
xds/third_party/xds/src/main/proto/xds/type/matcher/v3/cel.proto vendored
View File

@ -2,9 +2,7 @@ syntax = "proto3";
package xds.type.matcher.v3;
import "xds/annotations/v3/status.proto";
import "xds/type/v3/cel.proto";
import "validate/validate.proto";
option java_package = "com.github.xds.type.matcher.v3";
@ -12,8 +10,6 @@ option java_outer_classname = "CelProto";
option java_multiple_files = true;
option go_package = "github.com/cncf/xds/go/xds/type/matcher/v3";
option (xds.annotations.v3.file_status).work_in_progress = true;
// [#protodoc-title: Common Expression Language (CEL) matchers]
// Performs a match by evaluating a `Common Expression Language
@ -30,8 +26,7 @@ option (xds.annotations.v3.file_status).work_in_progress = true;
// Refer to :ref:`Unified Matcher API <envoy_v3_api_msg_.xds.type.matcher.v3.Matcher>` documentation
// for usage details.
//
// [#comment:TODO(sergiitk): Link HttpAttributesMatchInput + usage example.]
// [#comment:TODO(sergiitk): When implemented, add the extension tag.]
// [#comment: envoy.matching.matchers.cel_matcher]
message CelMatcher {
// Either parsed or checked representation of the CEL program.
type.v3.CelExpression expr_match = 1 [(validate.rules).message = {required: true}];

6
xds/third_party/xds/src/main/proto/xds/type/matcher/v3/http_inputs.proto vendored
View File

@ -2,15 +2,11 @@ syntax = "proto3";
package xds.type.matcher.v3;
import "xds/annotations/v3/status.proto";
option java_package = "com.github.xds.type.matcher.v3";
option java_outer_classname = "HttpInputsProto";
option java_multiple_files = true;
option go_package = "github.com/cncf/xds/go/xds/type/matcher/v3";
option (xds.annotations.v3.file_status).work_in_progress = true;
// [#protodoc-title: Common HTTP Inputs]
// Specifies that matching should be performed on the set of :ref:`HTTP attributes
@ -22,6 +18,6 @@ option (xds.annotations.v3.file_status).work_in_progress = true;
// Refer to :ref:`Unified Matcher API <envoy_v3_api_msg_.xds.type.matcher.v3.Matcher>` documentation
// for usage details.
//
// [#comment:TODO(sergiitk): When implemented, add the extension tag.]
// [#comment: envoy.matching.inputs.cel_data_input]
message HttpAttributesCelMatchInput {
}

11
xds/third_party/xds/src/main/proto/xds/type/matcher/v3/matcher.proto vendored
View File

@ -2,7 +2,6 @@ syntax = "proto3";
package xds.type.matcher.v3;
import "xds/annotations/v3/status.proto";
import "xds/core/v3/extension.proto";
import "xds/type/matcher/v3/string.proto";
@ -21,8 +20,6 @@ option go_package = "github.com/cncf/xds/go/xds/type/matcher/v3";
// As an on_no_match might result in another matching tree being evaluated, this process
// might repeat several times until the final OnMatch (or no match) is decided.
message Matcher {
option (xds.annotations.v3.message_status).work_in_progress = true;
// What to do if a match is successful.
message OnMatch {
oneof on_match {
@ -38,6 +35,14 @@ message Matcher {
// Protocol-specific action to take.
core.v3.TypedExtensionConfig action = 2;
}
// If true and the Matcher matches, the action will be taken but the caller
// will behave as if the Matcher did not match. A subsequent matcher or
// on_no_match action will be used instead.
// This field is not supported in all contexts in which the matcher API is
// used. If this field is set in a context in which it's not supported,
// the resource will be rejected.
bool keep_matching = 3;
}
// A linear list of field matchers.

7
xds/third_party/xds/src/main/proto/xds/type/v3/cel.proto vendored
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@ -47,6 +47,13 @@ message CelExpression {
//
// If set, takes precedence over ``cel_expr_parsed``.
cel.expr.CheckedExpr cel_expr_checked = 4;
// Unparsed expression in string form. For example, ``request.headers['x-env'] == 'prod'`` will
// get ``x-env`` header value and compare it with ``prod``.
// Check the `Common Expression Language <https://github.com/google/cel-spec>`_ for more details.
//
// If set, takes precedence over ``cel_expr_parsed`` and ``cel_expr_checked``.
string cel_expr_string = 5;
}
// Extracts a string by evaluating a `Common Expression Language