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allow kubectl cmd to process dirs recursively

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reqs:
    - the kubectl cmd must support the -f | --filename flag
    - the kubectl cmd must support visiting a dir one level deep,
    or using more than one resource
This commit is contained in:
Mike Metral
2016-03-28 12:44:21 -07:00
parent e01feae75a
commit 7403878ac0
61 changed files with 438 additions and 82 deletions
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19
pkg/kubectl/cmd/autoscale.go
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@@ -28,6 +28,13 @@ import (
"github.com/spf13/cobra"
)
// AutoscaleOptions 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 AutoscaleOptions struct {
Filenames []string
Recursive bool
}
const (
autoscaleLong = `Creates an autoscaler that automatically chooses and sets the number of pods that run in a kubernetes cluster.
@@ -42,14 +49,15 @@ kubectl autoscale rc foo --max=5 --cpu-percent=80`
)
func NewCmdAutoscale(f *cmdutil.Factory, out io.Writer) *cobra.Command {
filenames := []string{}
options := &AutoscaleOptions{}
cmd := &cobra.Command{
Use: "autoscale (-f FILENAME | TYPE NAME | TYPE/NAME) [--min=MINPODS] --max=MAXPODS [--cpu-percent=CPU] [flags]",
Short: "Auto-scale a Deployment, ReplicaSet, or ReplicationController",
Long: autoscaleLong,
Example: autoscaleExample,
Run: func(cmd *cobra.Command, args []string) {
err := RunAutoscale(f, out, cmd, args, filenames)
err := RunAutoscale(f, out, cmd, args, options)
cmdutil.CheckErr(err)
},
}
@@ -62,13 +70,14 @@ func NewCmdAutoscale(f *cmdutil.Factory, out io.Writer) *cobra.Command {
cmd.Flags().String("name", "", "The name for the newly created object. If not specified, the name of the input resource will be used.")
cmd.Flags().Bool("dry-run", false, "If true, only print the object that would be sent, without creating it.")
usage := "Filename, directory, or URL to a file identifying the resource to autoscale."
kubectl.AddJsonFilenameFlag(cmd, &filenames, usage)
kubectl.AddJsonFilenameFlag(cmd, &options.Filenames, usage)
cmdutil.AddRecursiveFlag(cmd, &options.Recursive)
cmdutil.AddApplyAnnotationFlags(cmd)
cmdutil.AddRecordFlag(cmd)
return cmd
}
func RunAutoscale(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, filenames []string) error {
func RunAutoscale(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string, options *AutoscaleOptions) error {
namespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
@@ -83,7 +92,7 @@ func RunAutoscale(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []
r := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
ContinueOnError().
NamespaceParam(namespace).DefaultNamespace().
FilenameParam(enforceNamespace, filenames...).
FilenameParam(enforceNamespace, options.Recursive, options.Filenames...).
ResourceTypeOrNameArgs(false, args...).
Flatten().
Do()