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cmd/k8s-operator: rename egress annotation

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It was tailscale.com/ts-tailnet-target-ip, which was pretty
redundant. Change it to tailscale.com/tailnet-ip.

Updates #502

Signed-off-by: Maisem Ali <maisem@tailscale.com>
This commit is contained in:
Maisem Ali 2023-09-20 08:51:50 -07:00 committed by Maisem Ali
parent ea9dd8fabc
commit 5f4d76c18c
2 changed files with 22 additions and 12 deletions
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3
cmd/k8s-operator/sts.go
View File

@ -42,7 +42,8 @@
AnnotationExpose = "tailscale.com/expose" AnnotationExpose = "tailscale.com/expose"
AnnotationTags = "tailscale.com/tags" AnnotationTags = "tailscale.com/tags"
AnnotationHostname = "tailscale.com/hostname" AnnotationHostname = "tailscale.com/hostname"
AnnotationTailnetTargetIP = "tailscale.com/ts-tailnet-target-ip" annotationTailnetTargetIPOld = "tailscale.com/ts-tailnet-target-ip"
AnnotationTailnetTargetIP = "tailscale.com/tailnet-ip"
// Annotations settable by users on ingresses. // Annotations settable by users on ingresses.
AnnotationFunnel = "tailscale.com/funnel" AnnotationFunnel = "tailscale.com/funnel"

25
cmd/k8s-operator/svc.go
View File

@ -77,7 +77,8 @@ func (a *ServiceReconciler) Reconcile(ctx context.Context, req reconcile.Request
} else if err != nil { } else if err != nil {
return reconcile.Result{}, fmt.Errorf("failed to get svc: %w", err) return reconcile.Result{}, fmt.Errorf("failed to get svc: %w", err)
} }
if !svc.DeletionTimestamp.IsZero() || !a.shouldExpose(svc) && !a.hasTailnetTargetAnnotation(svc) { targetIP := a.tailnetTargetAnnotation(svc)
if !svc.DeletionTimestamp.IsZero() || !a.shouldExpose(svc) && targetIP == "" {
logger.Debugf("service is being deleted or is (no longer) referring to Tailscale ingress/egress, ensuring any created resources are cleaned up") logger.Debugf("service is being deleted or is (no longer) referring to Tailscale ingress/egress, ensuring any created resources are cleaned up")
return reconcile.Result{}, a.maybeCleanup(ctx, logger, svc) return reconcile.Result{}, a.maybeCleanup(ctx, logger, svc)
} }
@ -170,8 +171,8 @@ func (a *ServiceReconciler) maybeProvision(ctx context.Context, logger *zap.Suga
sts.ClusterTargetIP = svc.Spec.ClusterIP sts.ClusterTargetIP = svc.Spec.ClusterIP
a.managedIngressProxies.Add(svc.UID) a.managedIngressProxies.Add(svc.UID)
gaugeIngressProxies.Set(int64(a.managedIngressProxies.Len())) gaugeIngressProxies.Set(int64(a.managedIngressProxies.Len()))
} else if a.hasTailnetTargetAnnotation(svc) { } else if ip := a.tailnetTargetAnnotation(svc); ip != "" {
sts.TailnetTargetIP = svc.Annotations[AnnotationTailnetTargetIP] sts.TailnetTargetIP = ip
a.managedEgressProxies.Add(svc.UID) a.managedEgressProxies.Add(svc.UID)
gaugeEgressProxies.Set(int64(a.managedEgressProxies.Len())) gaugeEgressProxies.Set(int64(a.managedEgressProxies.Len()))
} }
@ -182,7 +183,7 @@ func (a *ServiceReconciler) maybeProvision(ctx context.Context, logger *zap.Suga
return fmt.Errorf("failed to provision: %w", err) return fmt.Errorf("failed to provision: %w", err)
} }
if a.hasTailnetTargetAnnotation(svc) { if sts.TailnetTargetIP != "" {
headlessSvcName := hsvc.Name + "." + hsvc.Namespace + ".svc" headlessSvcName := hsvc.Name + "." + hsvc.Namespace + ".svc"
if svc.Spec.ExternalName != headlessSvcName || svc.Spec.Type != corev1.ServiceTypeExternalName { if svc.Spec.ExternalName != headlessSvcName || svc.Spec.Type != corev1.ServiceTypeExternalName {
svc.Spec.ExternalName = headlessSvcName svc.Spec.ExternalName = headlessSvcName
@ -261,8 +262,16 @@ func (a *ServiceReconciler) hasExposeAnnotation(svc *corev1.Service) bool {
return svc != nil && svc.Annotations[AnnotationExpose] == "true" return svc != nil && svc.Annotations[AnnotationExpose] == "true"
} }
// hasTailnetTargetAnnotation reports whether Service has a // hasTailnetTargetAnnotation returns the value of tailscale.com/tailnet-ip
// tailscale.com/ts-tailnet-target-ip annotation set // annotation or of the deprecated tailscale.com/ts-tailnet-target-ip
func (a *ServiceReconciler) hasTailnetTargetAnnotation(svc *corev1.Service) bool { // annotation. If neither is set, it returns an empty string. If both are set,
return svc != nil && svc.Annotations[AnnotationTailnetTargetIP] != "" // it returns the value of the new annotation.
func (a *ServiceReconciler) tailnetTargetAnnotation(svc *corev1.Service) string {
if svc == nil {
return ""
}
if ip := svc.Annotations[AnnotationTailnetTargetIP]; ip != "" {
return ip
}
return svc.Annotations[annotationTailnetTargetIPOld]
} }