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googleapis: Allow user set c2p bootstrap config (#9856) 

Instead of always overriding the bootstrap with a custom c2p config, now
we allow user defined ones to also be used. This only applies when
running in GCP with federation.
This commit is contained in:
Terry Wilson 2023-01-24 15:57:11 -08:00 committed by GitHub
parent b2895198c3
commit b0635fa1d4
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 31 additions and 10 deletions
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22
googleapis/src/main/java/io/grpc/googleapis/GoogleCloudToProdNameResolver.java
View File

@ -156,22 +156,28 @@ final class GoogleCloudToProdNameResolver extends NameResolver {
class Resolve implements Runnable {
@Override
public void run() {
String zone;
boolean supportIpv6;
ImmutableMap<String, ?> rawBootstrap = null;
try {
zone = queryZoneMetadata(METADATA_URL_ZONE);
supportIpv6 = queryIpv6SupportMetadata(METADATA_URL_SUPPORT_IPV6);
rawBootstrap = generateBootstrap(zone, supportIpv6);
// User provided bootstrap configs are only supported with federation. If federation is
// not enabled or there is no user provided config, we set a custom bootstrap override.
// Otherwise, we don't set the override, which will allow a user provided bootstrap config
// to take effect.
if (!enableFederation || !xdsBootstrapProvided) {
rawBootstrap = generateBootstrap(queryZoneMetadata(METADATA_URL_ZONE),
queryIpv6SupportMetadata(METADATA_URL_SUPPORT_IPV6));
}
} catch (IOException e) {
listener.onError(Status.INTERNAL.withDescription("Unable to get metadata").withCause(e));
listener.onError(
Status.INTERNAL.withDescription("Unable to get metadata").withCause(e));
} finally {
final ImmutableMap<String, ?> finalRawBootstrap = rawBootstrap;
syncContext.execute(new Runnable() {
@Override
public void run() {
if (!shutdown && finalRawBootstrap != null) {
bootstrapSetter.setBootstrap(finalRawBootstrap);
if (!shutdown) {
if (finalRawBootstrap != null) {
bootstrapSetter.setBootstrap(finalRawBootstrap);
}
delegate.start(listener);
succeeded = true;
}

19
googleapis/src/test/java/io/grpc/googleapis/GoogleCloudToProdNameResolverTest.java
View File

@ -195,9 +195,9 @@ public class GoogleCloudToProdNameResolverTest {
@SuppressWarnings("unchecked")
@Test
public void onGcpAndProvidedBootstrapAndFederationEnabledDelegateToXds() {
public void onGcpAndNoProvidedBootstrapAndFederationEnabledDelegateToXds() {
GoogleCloudToProdNameResolver.isOnGcp = true;
GoogleCloudToProdNameResolver.xdsBootstrapProvided = true;
GoogleCloudToProdNameResolver.xdsBootstrapProvided = false;
GoogleCloudToProdNameResolver.enableFederation = true;
createResolver();
resolver.start(mockListener);
@ -223,6 +223,21 @@ public class GoogleCloudToProdNameResolverTest {
ImmutableMap.of("xds_servers", ImmutableList.of(server)));
}
@SuppressWarnings("unchecked")
@Test
public void onGcpAndProvidedBootstrapAndFederationEnabledDontDelegateToXds() {
GoogleCloudToProdNameResolver.isOnGcp = true;
GoogleCloudToProdNameResolver.xdsBootstrapProvided = true;
GoogleCloudToProdNameResolver.enableFederation = true;
createResolver();
resolver.start(mockListener);
fakeExecutor.runDueTasks();
assertThat(delegatedResolver.keySet()).containsExactly("xds");
verify(Iterables.getOnlyElement(delegatedResolver.values())).start(mockListener);
// Bootstrapper should not have been set, since there was no user provided config.
assertThat(fakeBootstrapSetter.bootstrapRef.get()).isNull();
}
@Test
public void failToQueryMetadata() {
GoogleCloudToProdNameResolver.isOnGcp = true;