Adds missing annotation lastAppliedHashKey in TektonInstaller Set f…

…or Tekton Dashboard

  - This patch computes the hash of tektondashboard spec and store as an annotation,
    further reconciliation we compute hash of td spec and check with annotation, if
    they are same then we skip updating the object otherwise we update the manifest

Signed-off-by: Puneet Punamiya <[email protected]>

pkg/reconciler/kubernetes/tektondashboard/tektondashboard.go

@@ -325,8 +325,17 @@ func (r *Reconciler) createInstallerSet(ctx context.Context, td *v1alpha1.Tekton
 		return nil, err
 	}
 
+	// compute the hash of tektondashboard spec and store as an annotation
+	// in further reconciliation we compute hash of td spec and check with
+	// annotation, if they are same then we skip updating the object
+	// otherwise we update the manifest
+	specHash, err := hash.Compute(td.Spec)
+	if err != nil {
+		return nil, err
+	}
+
 	// create installer set
-	tis := makeInstallerSet(td, manifest, r.releaseVersion)
+	tis := makeInstallerSet(td, manifest, specHash, r.releaseVersion)
 	createdIs, err := r.operatorClientSet.OperatorV1alpha1().TektonInstallerSets().
 		Create(ctx, tis, metav1.CreateOptions{})
 	if err != nil {
@@ -335,7 +344,7 @@ func (r *Reconciler) createInstallerSet(ctx context.Context, td *v1alpha1.Tekton
 	return createdIs, nil
 }
 
-func makeInstallerSet(td *v1alpha1.TektonDashboard, manifest mf.Manifest, releaseVersion string) *v1alpha1.TektonInstallerSet {
+func makeInstallerSet(td *v1alpha1.TektonDashboard, manifest mf.Manifest, tdSpecHash, releaseVersion string) *v1alpha1.TektonInstallerSet {
 	ownerRef := *metav1.NewControllerRef(td, td.GetGroupVersionKind())
 	return &v1alpha1.TektonInstallerSet{
 		ObjectMeta: metav1.ObjectMeta{
@@ -346,6 +355,7 @@ func makeInstallerSet(td *v1alpha1.TektonDashboard, manifest mf.Manifest, releas
 			Annotations: map[string]string{
 				tektoninstallerset.ReleaseVersionKey:  releaseVersion,
 				tektoninstallerset.TargetNamespaceKey: td.Spec.TargetNamespace,
+				tektoninstallerset.LastAppliedHashKey: tdSpecHash,
 			},
 			OwnerReferences: []metav1.OwnerReference{ownerRef},
 		},