add infra resource update check logic

envoyproxy · Apr 24, 2023 · 24bdd67 · 24bdd67
1 parent ab36e76
commit 24bdd67
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Showing 2 changed files with 23 additions and 12 deletions.
diff --git a/internal/infrastructure/kubernetes/infra_client.go b/internal/infrastructure/kubernetes/infra_client.go
@@ -7,7 +7,7 @@ package kubernetes
 
 import (
 	"context"
-
+	
 	kerrors "k8s.io/apimachinery/pkg/api/errors"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 )
@@ -22,7 +22,7 @@ func New(cli client.Client) *InfraClient {
 	}
 }
 
-func (cli *InfraClient) Create(ctx context.Context, key client.ObjectKey, current client.Object, specific client.Object) error {
+func (cli *InfraClient) Create(ctx context.Context, key client.ObjectKey, current client.Object, specific client.Object, updateChecker func() bool) error {
 	if err := cli.Client.Get(ctx, key, current); err != nil {
 		if kerrors.IsNotFound(err) {
 			// Create if it does not exist.
@@ -33,13 +33,15 @@ func (cli *InfraClient) Create(ctx context.Context, key client.ObjectKey, curren
 	} else {
 		// Since the ServiceAccount does not have a specific Spec field to compare
 		// just perform an update for now.
-		specific.SetResourceVersion(current.GetResourceVersion())
-		specific.SetUID(current.GetUID())
-		if err := cli.Client.Update(ctx, specific); err != nil {
-			return err
+		if updateChecker() {
+			specific.SetResourceVersion(current.GetResourceVersion())
+			specific.SetUID(current.GetUID())
+			if err := cli.Client.Update(ctx, specific); err != nil {
+				return err
+			}
 		}
 	}
-
+	
 	return nil
 }
 
@@ -50,6 +52,6 @@ func (cli *InfraClient) Delete(ctx context.Context, object client.Object) error
 		}
 		return err
 	}
-
+	
 	return nil
 }
diff --git a/internal/infrastructure/kubernetes/infra_resource.go b/internal/infrastructure/kubernetes/infra_resource.go
@@ -7,6 +7,7 @@ package kubernetes
 
 import (
 	"context"
+	"reflect"
 
 	appsv1 "k8s.io/api/apps/v1"
 	corev1 "k8s.io/api/core/v1"
@@ -28,7 +29,9 @@ func (i *Infra) createOrUpdateServiceAccount(ctx context.Context, r ResourceRend
 		Name:      sa.Name,
 	}
 
-	return i.Client.Create(ctx, key, current, sa)
+	return i.Client.Create(ctx, key, current, sa, func() bool {
+		return true
+	})
 }
 
 // createOrUpdateConfigMap creates a ConfigMap in the Kube api server based on the provided
@@ -45,7 +48,9 @@ func (i *Infra) createOrUpdateConfigMap(ctx context.Context, r ResourceRender) e
 		Name:      cm.Name,
 	}
 
-	return i.Client.Create(ctx, key, current, cm)
+	return i.Client.Create(ctx, key, current, cm, func() bool {
+		return !reflect.DeepEqual(cm.Data, current.Data)
+	})
 }
 
 // createOrUpdateDeployment creates a Deployment in the kube api server based on the provided
@@ -62,7 +67,9 @@ func (i *Infra) createOrUpdateDeployment(ctx context.Context, r ResourceRender)
 		Name:      deployment.Name,
 	}
 
-	return i.Client.Create(ctx, key, current, deployment)
+	return i.Client.Create(ctx, key, current, deployment, func() bool {
+		return !reflect.DeepEqual(deployment.Spec, current.Spec)
+	})
 }
 
 // createOrUpdateRateLimitService creates a Service in the kube api server based on the provided ResourceRender,
@@ -79,7 +86,9 @@ func (i *Infra) createOrUpdateService(ctx context.Context, r ResourceRender) err
 		Name:      svc.Name,
 	}
 
-	return i.Client.Create(ctx, key, current, svc)
+	return i.Client.Create(ctx, key, current, svc, func() bool {
+		return !reflect.DeepEqual(svc.Spec, current.Spec)
+	})
 }
 
 // deleteServiceAccount deletes the ServiceAccount in the kube api server, if it exists.