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Handle no such remote cluster exception in ccr #53415

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Merged
merged 3 commits into from
Mar 13, 2020
Merged

Handle no such remote cluster exception in ccr #53415

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fa4b8b6
Handle no such remote cluster exception in ccr
dnhatn Mar 11, 2020
13c493c
log when failed to renew leases
dnhatn Mar 13, 2020
e35e78c
Merge branch 'master' into fix-ccr-remote-client
dnhatn Mar 13, 2020
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46 changes: 24 additions & 22 deletions ...plugin/ccr/src/main/java/org/elasticsearch/xpack/ccr/action/ShardFollowTasksExecutor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -132,16 +132,7 @@ protected void innerUpdateMapping(long minRequiredMappingVersion, LongConsumer h
final Index followerIndex = params.getFollowShardId().getIndex();
final Index leaderIndex = params.getLeaderShardId().getIndex();
final Supplier<TimeValue> timeout = () -> isStopped() ? TimeValue.MINUS_ONE : waitForMetadataTimeOut;

final Client remoteClient;
try {
remoteClient = remoteClient(params);
} catch (NoSuchRemoteClusterException e) {
errorHandler.accept(e);
return;
}

CcrRequests.getIndexMetadata(remoteClient, leaderIndex, minRequiredMappingVersion, 0L, timeout, ActionListener.wrap(
final ActionListener<IndexMetaData> listener = ActionListener.wrap(
indexMetaData -> {
if (indexMetaData.mapping() == null) {
assert indexMetaData.getMappingVersion() == 1;
Expand All @@ -155,7 +146,12 @@ protected void innerUpdateMapping(long minRequiredMappingVersion, LongConsumer h
errorHandler));
},
errorHandler
));
);
try {
CcrRequests.getIndexMetadata(remoteClient(params), leaderIndex, minRequiredMappingVersion, 0L, timeout, listener);
} catch (NoSuchRemoteClusterException e) {
errorHandler.accept(e);
}
}

@Override
Expand Down Expand Up @@ -424,21 +420,27 @@ protected Scheduler.Cancellable scheduleBackgroundRetentionLeaseRenewal(final Lo
"{} background adding retention lease [{}] while following",
params.getFollowShardId(),
retentionLeaseId);
CcrRetentionLeases.asyncAddRetentionLease(
try {
final ActionListener<RetentionLeaseActions.Response> wrappedListener = ActionListener.wrap(
r -> {},
inner -> {
/*
* If this fails that the retention lease already exists, something highly unusual is
* going on. Log it, and renew again after another renew interval has passed.
*/
final Throwable innerCause = ExceptionsHelper.unwrapCause(inner);
logRetentionLeaseFailure(retentionLeaseId, innerCause);
});
CcrRetentionLeases.asyncAddRetentionLease(
params.getLeaderShardId(),
retentionLeaseId,
followerGlobalCheckpoint.getAsLong(),
remoteClient(params),
ActionListener.wrap(
r -> {},
inner -> {
/*
* If this fails that the retention lease already exists, something highly unusual is
* going on. Log it, and renew again after another renew interval has passed.
*/
final Throwable innerCause = ExceptionsHelper.unwrapCause(inner);
logRetentionLeaseFailure(retentionLeaseId, innerCause);
}));
wrappedListener);
} catch (NoSuchRemoteClusterException rce) {
// we will attempt to renew again after another renew interval has passed
logRetentionLeaseFailure(retentionLeaseId, rce);
}
} else {
// if something else happened, we will attempt to renew again after another renew interval has passed
}
Expand Down