ad33c5c087
ChangeCauseAnnotation is hardcoded in PrintRolloutHistory and it needs to be overriden since other resources that may need to be added in `kubectl rollout history` may not use it. Instead of adding one more method in the factory, refactor the existing HistoryViewer interface to accomodate the change.
118 lines
3.4 KiB
Go
118 lines
3.4 KiB
Go
/*
|
|
Copyright 2016 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License 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 rollout
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
|
|
"github.com/renstrom/dedent"
|
|
"k8s.io/kubernetes/pkg/kubectl"
|
|
cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
|
|
"k8s.io/kubernetes/pkg/kubectl/resource"
|
|
|
|
"github.com/spf13/cobra"
|
|
)
|
|
|
|
// HistoryOptions is the start of the data required to perform the operation. As new fields are added, add them here instead of
|
|
// referencing the cmd.Flags()
|
|
type HistoryOptions struct {
|
|
Filenames []string
|
|
Recursive bool
|
|
}
|
|
|
|
var (
|
|
history_long = dedent.Dedent(`
|
|
View previous rollout revisions and configurations.`)
|
|
history_example = dedent.Dedent(`
|
|
# View the rollout history of a deployment
|
|
kubectl rollout history deployment/abc
|
|
|
|
# View the details of deployment revision 3
|
|
kubectl rollout history deployment/abc --revision=3`)
|
|
)
|
|
|
|
func NewCmdRolloutHistory(f *cmdutil.Factory, out io.Writer) *cobra.Command {
|
|
options := &HistoryOptions{}
|
|
|
|
cmd := &cobra.Command{
|
|
Use: "history (TYPE NAME | TYPE/NAME) [flags]",
|
|
Short: "View rollout history",
|
|
Long: history_long,
|
|
Example: history_example,
|
|
Run: func(cmd *cobra.Command, args []string) {
|
|
cmdutil.CheckErr(RunHistory(f, cmd, out, args, options))
|
|
},
|
|
}
|
|
|
|
cmd.Flags().Int64("revision", 0, "See the details, including podTemplate of the revision specified")
|
|
usage := "Filename, directory, or URL to a file identifying the resource to get from a server."
|
|
kubectl.AddJsonFilenameFlag(cmd, &options.Filenames, usage)
|
|
cmdutil.AddRecursiveFlag(cmd, &options.Recursive)
|
|
return cmd
|
|
}
|
|
|
|
func RunHistory(f *cmdutil.Factory, cmd *cobra.Command, out io.Writer, args []string, options *HistoryOptions) error {
|
|
if len(args) == 0 && len(options.Filenames) == 0 {
|
|
return cmdutil.UsageError(cmd, "Required resource not specified.")
|
|
}
|
|
revision := cmdutil.GetFlagInt64(cmd, "revision")
|
|
|
|
mapper, typer := f.Object(false)
|
|
|
|
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
|
|
NamespaceParam(cmdNamespace).DefaultNamespace().
|
|
FilenameParam(enforceNamespace, options.Recursive, options.Filenames...).
|
|
ResourceTypeOrNameArgs(true, args...).
|
|
ContinueOnError().
|
|
Latest().
|
|
Flatten().
|
|
Do()
|
|
err = r.Err()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return r.Visit(func(info *resource.Info, err error) error {
|
|
if err != nil {
|
|
return err
|
|
}
|
|
mapping := info.ResourceMapping()
|
|
historyViewer, err := f.HistoryViewer(mapping)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
historyInfo, err := historyViewer.ViewHistory(info.Namespace, info.Name, revision)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
header := fmt.Sprintf("%s %q", mapping.Resource, info.Name)
|
|
if revision > 0 {
|
|
header = fmt.Sprintf("%s with revision #%d", header, revision)
|
|
}
|
|
fmt.Fprintf(out, "%s\n", header)
|
|
fmt.Fprintf(out, "%s\n", historyInfo)
|
|
return nil
|
|
})
|
|
}
|