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xds: fix bug of concluding retry state without checking retry task status (#6519)

This commit is contained in:
Chengyuan Zhang 2019-12-16 10:43:24 -08:00 committed by GitHub
parent f6544bf95c
commit d007af18e6
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 22 additions and 8 deletions
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10
xds/src/main/java/io/grpc/xds/XdsClientImpl.java
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@ -181,7 +181,7 @@ final class XdsClientImpl extends XdsClient {
} else {
ldsResourceName = hostName + ":" + port;
}
if (rpcRetryTimer != null) {
if (rpcRetryTimer != null && rpcRetryTimer.isPending()) {
// Currently in retry backoff.
return;
}
@ -210,7 +210,7 @@ final class XdsClientImpl extends XdsClient {
if (clusterNamesToClusterUpdates.containsKey(clusterName)) {
watcher.onClusterChanged(clusterNamesToClusterUpdates.get(clusterName));
}
if (rpcRetryTimer != null) {
if (rpcRetryTimer != null && rpcRetryTimer.isPending()) {
// Currently in retry backoff.
return;
}
@ -241,7 +241,7 @@ final class XdsClientImpl extends XdsClient {
}
// No longer interested in this cluster, send an updated CDS request to unsubscribe
// this resource.
if (rpcRetryTimer != null) {
if (rpcRetryTimer != null && rpcRetryTimer.isPending()) {
// Currently in retry backoff.
return;
}
@ -271,7 +271,7 @@ final class XdsClientImpl extends XdsClient {
if (clusterNamesToEndpointUpdates.containsKey(clusterName)) {
watcher.onEndpointChanged(clusterNamesToEndpointUpdates.get(clusterName));
}
if (rpcRetryTimer != null) {
if (rpcRetryTimer != null && rpcRetryTimer.isPending()) {
// Currently in retry backoff.
return;
}
@ -299,7 +299,7 @@ final class XdsClientImpl extends XdsClient {
clusterNamesToEndpointUpdates.remove(clusterName);
// No longer interested in this cluster, send an updated EDS request to unsubscribe
// this resource.
if (rpcRetryTimer != null) {
if (rpcRetryTimer != null && rpcRetryTimer.isPending()) {
// Currently in retry backoff.
return;
}

20
xds/src/test/java/io/grpc/xds/XdsClientImplTest.java
View File

@ -2543,6 +2543,20 @@ public class XdsClientImplTest {
// Client sent an CDS ACK request (Omitted).
// No longer interested in endpoint information after RPC resumes.
xdsClient.cancelEndpointDataWatch("cluster.googleapis.com", endpointWatcher);
// Client updates EDS resource subscription immediately.
verify(requestObserver)
.onNext(eq(buildDiscoveryRequest(NODE, "", ImmutableList.<String>of(),
XdsClientImpl.ADS_TYPE_URL_EDS, "")));
// Become interested in endpoints of another cluster.
xdsClient.watchEndpointData("cluster2.googleapis.com", endpointWatcher);
// Client updates EDS resource subscription immediately.
verify(requestObserver)
.onNext(eq(buildDiscoveryRequest(NODE, "", "cluster2.googleapis.com",
XdsClientImpl.ADS_TYPE_URL_EDS, "")));
// Management server closes the RPC stream again.
responseObserver.onCompleted();
@ -2560,7 +2574,7 @@ public class XdsClientImplTest {
.onNext(eq(buildDiscoveryRequest(NODE, "", "cluster.googleapis.com",
XdsClientImpl.ADS_TYPE_URL_CDS, "")));
verify(requestObserver)
.onNext(eq(buildDiscoveryRequest(NODE, "", "cluster.googleapis.com",
.onNext(eq(buildDiscoveryRequest(NODE, "", "cluster2.googleapis.com",
XdsClientImpl.ADS_TYPE_URL_EDS, "")));
// Management server becomes unreachable again.
@ -2570,7 +2584,7 @@ public class XdsClientImplTest {
// No longer interested in previous cluster and endpoints in that cluster.
xdsClient.cancelClusterDataWatch("cluster.googleapis.com", clusterWatcher);
xdsClient.cancelEndpointDataWatch("cluster.googleapis.com", endpointWatcher);
xdsClient.cancelEndpointDataWatch("cluster2.googleapis.com", endpointWatcher);
// Retry after backoff.
fakeClock.forwardNanos(19L);
@ -2587,7 +2601,7 @@ public class XdsClientImplTest {
.onNext(eq(buildDiscoveryRequest(NODE, "", "cluster.googleapis.com",
XdsClientImpl.ADS_TYPE_URL_CDS, "")));
verify(requestObserver, never())
.onNext(eq(buildDiscoveryRequest(NODE, "", "cluster.googleapis.com",
.onNext(eq(buildDiscoveryRequest(NODE, "", "cluster2.googleapis.com",
XdsClientImpl.ADS_TYPE_URL_EDS, "")));
verifyNoMoreInteractions(mockedDiscoveryService, backoffPolicyProvider, backoffPolicy1,