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check if fes CRD exists before syncing

This commit is contained in:
Felix Kunde 2021-09-22 16:45:06 +02:00
parent 223ffa75ef
commit c5ea2989ca
2 changed files with 27 additions and 4 deletions
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29
pkg/cluster/streams.go
View File

@ -41,9 +41,14 @@ func (c *Cluster) updateStreams(newEventStreams *zalandov1alpha1.FabricEventStre
}
func (c *Cluster) deleteStreams() error {
c.setProcessName("updating event streams")
c.setProcessName("deleting event streams")
err := c.KubeClient.FabricEventStreams(c.Namespace).Delete(context.TODO(), c.Name, metav1.DeleteOptions{})
_, err := c.KubeClient.CustomResourceDefinitions().Get(context.TODO(), constants.EventStreamSourceCRDName, metav1.GetOptions{})
if k8sutil.ResourceNotFound(err) {
return nil
}
err = c.KubeClient.FabricEventStreams(c.Namespace).Delete(context.TODO(), c.Name, metav1.DeleteOptions{})
if err != nil {
return fmt.Errorf("could not delete event stream custom resource: %v", err)
}
@ -122,7 +127,7 @@ func (c *Cluster) generateFabricEventStream() *zalandov1alpha1.FabricEventStream
return &zalandov1alpha1.FabricEventStream{
TypeMeta: metav1.TypeMeta{
Kind: "FabricEventStream",
Kind: constants.EventStreamSourceCRDKind,
APIVersion: "zalando.org/v1alphav1",
},
ObjectMeta: metav1.ObjectMeta{
@ -205,6 +210,22 @@ func (c *Cluster) getLogicalReplicationSlot(database string) string {
func (c *Cluster) syncStreams() error {
_, err := c.KubeClient.CustomResourceDefinitions().Get(context.TODO(), constants.EventStreamSourceCRDName, metav1.GetOptions{})
if k8sutil.ResourceNotFound(err) {
c.logger.Debugf("event stream CRD not installed, skipping")
return nil
}
err = c.createOrUpdateStreams()
if err != nil {
return err
}
return nil
}
func (c *Cluster) createOrUpdateStreams() error {
c.setProcessName("syncing streams")
err := c.syncPostgresConfig()
@ -212,7 +233,7 @@ func (c *Cluster) syncStreams() error {
return fmt.Errorf("could not update Postgres config for event streaming: %v", err)
}
effectiveStreams, err := c.KubeClient.FabricEventStreamsGetter.FabricEventStreams(c.Namespace).Get(context.TODO(), c.Name, metav1.GetOptions{})
effectiveStreams, err := c.KubeClient.FabricEventStreams(c.Namespace).Get(context.TODO(), c.Name, metav1.GetOptions{})
if err != nil {
if !k8sutil.ResourceNotFound(err) {
return fmt.Errorf("error during reading of event streams: %v", err)

2
pkg/util/constants/streams.go
View File

@ -2,6 +2,8 @@ package constants
// PostgreSQL specific constants
const (
EventStreamSourceCRDKind = "FabricEventStream"
EventStreamSourceCRDName = "fabriceventstreams.zalando.org"
EventStreamSourcePGType = "PostgresLogicalReplication"
EventStreamSourceSlotPrefix = "fes"
EventStreamSourceAuthType = "DatabaseAuthenticationSecret"