/
manager.go
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/
manager.go
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// Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"). You may
// not use this file except in compliance with the License. A copy of the
// License is located at
//
// http://aws.amazon.com/apache2.0/
//
// or in the "license" file accompanying this file. This file is distributed
// on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
// express or implied. See the License for the specific language governing
// permissions and limitations under the License.
package deployment
import (
"context"
"github.com/aws/amazon-vpc-resource-controller-k8s/test/framework/utils"
appsv1 "k8s.io/api/apps/v1"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/wait"
"sigs.k8s.io/controller-runtime/pkg/client"
)
type Manager interface {
CreateAndWaitUntilDeploymentReady(ctx context.Context, dp *appsv1.Deployment) (*appsv1.Deployment, error)
DeleteAndWaitUntilDeploymentDeleted(ctx context.Context, dp *appsv1.Deployment) error
ScaleDeploymentAndWaitTillReady(ctx context.Context, namespace string, name string, replicas int32) error
UpdateDeploymentImage(ctx context.Context, namespace string, name string, imageReplacement string) error
GetDeployment(ctx context.Context, namespace string, name string) (*appsv1.Deployment, error)
PatchDeployment(ctx context.Context, newDeployment *appsv1.Deployment, oldDeployment *appsv1.Deployment) error
}
func NewManager(k8sClient client.Client) Manager {
return &defaultManager{k8sClient: k8sClient}
}
type defaultManager struct {
k8sClient client.Client
}
func (m *defaultManager) CreateAndWaitUntilDeploymentReady(ctx context.Context, dp *appsv1.Deployment) (*appsv1.Deployment, error) {
err := m.k8sClient.Create(ctx, dp)
if err != nil {
return nil, err
}
observedDP := &appsv1.Deployment{}
return observedDP, wait.PollUntil(utils.PollIntervalShort, func() (bool, error) {
if err := m.k8sClient.Get(ctx, utils.NamespacedName(dp), observedDP); err != nil {
return false, err
}
if observedDP.Status.UpdatedReplicas == (*dp.Spec.Replicas) &&
observedDP.Status.Replicas == (*dp.Spec.Replicas) &&
observedDP.Status.AvailableReplicas == (*dp.Spec.Replicas) &&
observedDP.Status.ObservedGeneration >= dp.Generation {
return true, nil
}
return false, nil
}, ctx.Done())
}
func (m *defaultManager) DeleteAndWaitUntilDeploymentDeleted(ctx context.Context, dp *appsv1.Deployment) error {
err := m.k8sClient.Delete(ctx, dp)
if err != nil {
return err
}
return wait.PollUntil(utils.PollIntervalShort, func() (bool, error) {
observedDP := &appsv1.Deployment{}
if err := m.k8sClient.Get(ctx, utils.NamespacedName(dp), observedDP); err != nil {
if errors.IsNotFound(err) {
return true, nil
}
return false, err
}
return false, nil
}, ctx.Done())
}
func (m *defaultManager) ScaleDeploymentAndWaitTillReady(ctx context.Context, namespace string, name string, replicas int32) error {
deployment, err := m.GetDeployment(ctx, namespace, name)
if err != nil {
return err
}
deploymentCopy := deployment.DeepCopy()
deploymentCopy.Spec.Replicas = &replicas
err = m.k8sClient.Patch(ctx, deploymentCopy, client.MergeFrom(deployment))
if err != nil {
return err
}
return wait.PollUntil(utils.PollIntervalShort, func() (bool, error) {
if err := m.k8sClient.Get(ctx, types.NamespacedName{Namespace: namespace, Name: name}, deploymentCopy); err != nil {
return false, err
}
if deploymentCopy.Status.AvailableReplicas == replicas &&
deploymentCopy.Status.ObservedGeneration >= deployment.Generation {
return true, nil
}
return false, nil
}, ctx.Done())
}
func (m *defaultManager) UpdateDeploymentImage(ctx context.Context, namespace string, name string, imageReplacement string) error {
deployment, err := m.GetDeployment(ctx, namespace, name)
if err != nil {
return err
}
deploymentCopy := deployment.DeepCopy()
deploymentCopy.Spec.Template.Spec.Containers[0].Image = imageReplacement
if err = m.k8sClient.Patch(ctx, deploymentCopy, client.MergeFrom(deployment)); err != nil {
return err
}
return wait.PollUntil(utils.PollIntervalShort, func() (bool, error) {
if err := m.k8sClient.Get(ctx, types.NamespacedName{Namespace: namespace, Name: name}, deploymentCopy); err != nil {
return false, err
}
if deploymentCopy.Status.UnavailableReplicas == 0 {
return true, nil
}
return false, nil
}, ctx.Done())
}
func (m *defaultManager) GetDeployment(ctx context.Context, namespace string, name string) (*appsv1.Deployment, error) {
deployment := &appsv1.Deployment{}
namespacedName := types.NamespacedName{Namespace: namespace, Name: name}
err := m.k8sClient.Get(ctx, namespacedName, deployment)
if err != nil {
return nil, err
}
return deployment, nil
}
func (m *defaultManager) PatchDeployment(ctx context.Context, newDeployment *appsv1.Deployment, oldDeployment *appsv1.Deployment) error {
return m.k8sClient.Patch(ctx, newDeployment, client.MergeFrom(oldDeployment))
}