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Merge pull request #27511 from quinton-hoole/2016-06-15-improve-logging-in-federation-service-controller

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Automatic merge from submit-queue

Improve error logging on DNS updates for federated services

This makes debugging easier.  Prior to this, the logs would e.g. contain "Successfully updated 4 out of 4 DNS records", when in fact zero DNS records had been successfully updated.  It's difficult to debug what's happening with such confusing log messages.
This commit is contained in:
k8s-merge-robot 2016-06-17 11:24:25 -07:00 committed by GitHub
commit 0ea74dae5c
1 changed files with 6 additions and 1 deletions
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7
federation/pkg/federation-controller/service/servicecontroller.go
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@ -707,18 +707,23 @@ func (s *ServiceController) updateDNSRecords(services []*cachedService, clusters
// lockedUpdateDNSRecords Updates the DNS records of a service, assuming we hold the mutex
// associated with the service.
// TODO: quinton: Still screwed up in the same way as above. Fix.
func (s *ServiceController) lockedUpdateDNSRecords(service *cachedService, clusterNames []string) error {
if !wantsDNSRecords(service.appliedState) {
return nil
}
ensuredCount := 0
for key := range s.clusterCache.clientMap {
for _, clusterName := range clusterNames {
if key == clusterName {
s.ensureDnsRecords(clusterName, service)
ensuredCount += 1
}
}
}
if ensuredCount < len(clusterNames) {
return fmt.Errorf("Failed to update DNS records for %d of %d clusters for service %v due to missing clients for those clusters",
len(clusterNames)-ensuredCount, len(clusterNames), service)
}
return nil
}