69 lines
2.7 KiB
Go
69 lines
2.7 KiB
Go
/*
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Copyright 2024 The Karmada Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package utils
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import (
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"context"
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"fmt"
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"time"
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appsv1 "k8s.io/api/apps/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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clientset "k8s.io/client-go/kubernetes"
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fakeclientset "k8s.io/client-go/kubernetes/fake"
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coretesting "k8s.io/client-go/testing"
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cmdutil "github.com/karmada-io/karmada/pkg/karmadactl/util"
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)
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var (
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// WaitForDeploymentRollout waits for the specified Deployment to reach its desired state within the given timeout.
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// This blocks until the Deployment's observed generation and ready replicas match the desired state,
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// ensuring it is fully rolled out.
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WaitForDeploymentRollout = func(c clientset.Interface, dep *appsv1.Deployment, timeoutSeconds int) error {
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return cmdutil.WaitForDeploymentRollout(c, dep, time.Duration(timeoutSeconds)*time.Second)
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}
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)
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// SimulateNetworkErrorOnOp simulates a network error during the specified
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// operation on a resource by prepending a reactor to the fake client.
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func SimulateNetworkErrorOnOp(c clientset.Interface, operation, resource string) error {
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c.(*fakeclientset.Clientset).Fake.PrependReactor(operation, resource, func(coretesting.Action) (bool, runtime.Object, error) {
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return true, nil, fmt.Errorf("unexpected error: encountered a network issue while %s the %s", operation, resource)
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})
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return nil
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}
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// SimulateDeploymentUnready simulates a "not ready" status by incrementing the replicas
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// of the specified Deployment, thus marking it as unready. This is useful for testing the handling
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// of Deployment readiness in Karmada.
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func SimulateDeploymentUnready(c clientset.Interface, name, namespace string) error {
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deployment, err := c.AppsV1().Deployments(namespace).Get(context.TODO(), name, metav1.GetOptions{})
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if err != nil {
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return fmt.Errorf("failed to get deployment %s in namespace %s, got error: %v", name, namespace, err)
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}
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deployment.Status.Replicas = *deployment.Spec.Replicas + 1
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_, err = c.AppsV1().Deployments(namespace).UpdateStatus(context.TODO(), deployment, metav1.UpdateOptions{})
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if err != nil {
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return fmt.Errorf("failed to update replicas status of deployment %s in namespace %s, got error: %v", name, namespace, err)
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}
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return nil
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}
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