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Don't clear the cached resourcelock when errors occurs on updates

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This allows the lock to be release normally - even with a
potentially stale lock. This flow should only occur when we're
the lease holders.

Kubernetes-commit: 8160ecfd90284c333101a16bdccd79aacc86360d
This commit is contained in:
Dave Protasowski 2020-10-27 22:41:39 -04:00 committed by Kubernetes Publisher
parent a0a4a352aa
commit bfd1732c49
3 changed files with 20 additions and 7 deletions
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8
tools/leaderelection/resourcelock/configmaplock.go
View File

@ -93,8 +93,12 @@ func (cml *ConfigMapLock) Update(ctx context.Context, ler LeaderElectionRecord)
cml.cm.Annotations = make(map[string]string)
}
cml.cm.Annotations[LeaderElectionRecordAnnotationKey] = string(recordBytes)
cml.cm, err = cml.Client.ConfigMaps(cml.ConfigMapMeta.Namespace).Update(ctx, cml.cm, metav1.UpdateOptions{})
return err
cm, err := cml.Client.ConfigMaps(cml.ConfigMapMeta.Namespace).Update(ctx, cml.cm, metav1.UpdateOptions{})
if err != nil {
return err
}
cml.cm = cm
return nil
}
// RecordEvent in leader election while adding meta-data

8
tools/leaderelection/resourcelock/endpointslock.go
View File

@ -88,8 +88,12 @@ func (el *EndpointsLock) Update(ctx context.Context, ler LeaderElectionRecord) e
el.e.Annotations = make(map[string]string)
}
el.e.Annotations[LeaderElectionRecordAnnotationKey] = string(recordBytes)
el.e, err = el.Client.Endpoints(el.EndpointsMeta.Namespace).Update(ctx, el.e, metav1.UpdateOptions{})
return err
e, err := el.Client.Endpoints(el.EndpointsMeta.Namespace).Update(ctx, el.e, metav1.UpdateOptions{})
if err != nil {
return err
}
el.e = e
return nil
}
// RecordEvent in leader election while adding meta-data

11
tools/leaderelection/resourcelock/leaselock.go
View File

@ -71,9 +71,14 @@ func (ll *LeaseLock) Update(ctx context.Context, ler LeaderElectionRecord) error
return errors.New("lease not initialized, call get or create first")
}
ll.lease.Spec = LeaderElectionRecordToLeaseSpec(&ler)
var err error
ll.lease, err = ll.Client.Leases(ll.LeaseMeta.Namespace).Update(ctx, ll.lease, metav1.UpdateOptions{})
return err
lease, err := ll.Client.Leases(ll.LeaseMeta.Namespace).Update(ctx, ll.lease, metav1.UpdateOptions{})
if err != nil {
return err
}
ll.lease = lease
return nil
}
// RecordEvent in leader election while adding meta-data