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101 lines
3.0 KiB
101 lines
3.0 KiB
/*
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Copyright The Helm 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 fake
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import (
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"io"
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"strings"
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"time"
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v1 "k8s.io/api/core/v1"
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"k8s.io/cli-runtime/pkg/resource"
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"helm.sh/helm/v3/pkg/kube"
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)
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// PrintingKubeClient implements KubeClient, but simply prints the reader to
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// the given output.
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type PrintingKubeClient struct {
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Out io.Writer
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}
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// IsReachable checks if the cluster is reachable
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func (p *PrintingKubeClient) IsReachable() error {
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return nil
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}
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// Create prints the values of what would be created with a real KubeClient.
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func (p *PrintingKubeClient) Create(resources kube.ResourceList) (*kube.Result, error) {
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_, err := io.Copy(p.Out, bufferize(resources))
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if err != nil {
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return nil, err
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}
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return &kube.Result{Created: resources}, nil
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}
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func (p *PrintingKubeClient) Wait(resources kube.ResourceList, _ time.Duration) error {
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_, err := io.Copy(p.Out, bufferize(resources))
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return err
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}
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// Delete implements KubeClient delete.
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//
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// It only prints out the content to be deleted.
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func (p *PrintingKubeClient) Delete(resources kube.ResourceList) (*kube.Result, []error) {
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_, err := io.Copy(p.Out, bufferize(resources))
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if err != nil {
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return nil, []error{err}
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}
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return &kube.Result{Deleted: resources}, nil
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}
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// WatchUntilReady implements KubeClient WatchUntilReady.
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func (p *PrintingKubeClient) WatchUntilReady(resources kube.ResourceList, _ time.Duration) error {
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_, err := io.Copy(p.Out, bufferize(resources))
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return err
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}
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// Update implements KubeClient Update.
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func (p *PrintingKubeClient) Update(_, modified kube.ResourceList, _ bool) (*kube.Result, error) {
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_, err := io.Copy(p.Out, bufferize(modified))
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if err != nil {
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return nil, err
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}
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// TODO: This doesn't completely mock out have some that get created,
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// updated, and deleted. I don't think these are used in any unit tests, but
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// we may want to refactor a way to handle future tests
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return &kube.Result{Updated: modified}, nil
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}
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// Build implements KubeClient Build.
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func (p *PrintingKubeClient) Build(_ io.Reader, _ bool) (kube.ResourceList, error) {
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return []*resource.Info{}, nil
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}
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// WaitAndGetCompletedPodPhase implements KubeClient WaitAndGetCompletedPodPhase.
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func (p *PrintingKubeClient) WaitAndGetCompletedPodPhase(_ string, _ time.Duration) (v1.PodPhase, error) {
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return v1.PodSucceeded, nil
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}
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func bufferize(resources kube.ResourceList) io.Reader {
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var builder strings.Builder
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for _, info := range resources {
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builder.WriteString(info.String() + "\n")
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}
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return strings.NewReader(builder.String())
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}
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