mirror of https://github.com/k3s-io/k3s
58 lines
2.0 KiB
Go
58 lines
2.0 KiB
Go
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/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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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 kubectl
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import (
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"fmt"
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"k8s.io/kubernetes/pkg/api/unversioned"
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"k8s.io/kubernetes/pkg/apis/extensions"
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client "k8s.io/kubernetes/pkg/client/unversioned"
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)
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// StatusViewer provides an interface for resources that provides rollout status.
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type StatusViewer interface {
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Status(namespace, name string) (string, bool, error)
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}
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func StatusViewerFor(kind unversioned.GroupKind, c client.Interface) (StatusViewer, error) {
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switch kind {
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case extensions.Kind("Deployment"):
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return &DeploymentStatusViewer{c.Extensions()}, nil
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}
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return nil, fmt.Errorf("no status viewer has been implemented for %v", kind)
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}
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type DeploymentStatusViewer struct {
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c client.ExtensionsInterface
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}
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// Status returns a message describing deployment status, and a bool value indicating if the status is considered done
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func (s *DeploymentStatusViewer) Status(namespace, name string) (string, bool, error) {
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deployment, err := s.c.Deployments(namespace).Get(name)
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if err != nil {
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return "", false, err
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}
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if deployment.Generation <= deployment.Status.ObservedGeneration {
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if deployment.Status.UpdatedReplicas == deployment.Spec.Replicas {
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return fmt.Sprintf("deployment %s successfully rolled out\n", name), true, nil
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}
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return fmt.Sprintf("Waiting for rollout to finish: %d out of %d new replicas have been updated...\n", deployment.Status.UpdatedReplicas, deployment.Spec.Replicas), false, nil
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}
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return fmt.Sprintf("Waiting for deployment spec update to be observed...\n"), false, nil
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}
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