forked from juju/juju
/
deleteimage.go
86 lines (70 loc) · 1.99 KB
/
deleteimage.go
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// Copyright 2016 Canonical Ltd.
// Licensed under the AGPLv3, see LICENCE file for details.
package main
import (
"github.com/juju/cmd"
"github.com/juju/errors"
"github.com/juju/gnuflag"
"github.com/juju/juju/cmd/modelcmd"
)
func newDeleteImageMetadataCommand() cmd.Command {
deleteCmd := &deleteImageMetadataCommand{}
deleteCmd.newAPIFunc = func() (MetadataDeleteAPI, error) {
return deleteCmd.NewImageMetadataAPI()
}
return modelcmd.Wrap(deleteCmd)
}
const deleteImageCommandDoc = `
Delete image metadata from Juju environment.
This command takes only one positional argument - an image id.
arguments:
image-id
image identifier
`
// deleteImageMetadataCommand deletes image metadata from Juju environment.
type deleteImageMetadataCommand struct {
cloudImageMetadataCommandBase
newAPIFunc func() (MetadataDeleteAPI, error)
ImageId string
}
// Init implements Command.Init.
func (c *deleteImageMetadataCommand) Init(args []string) (err error) {
if len(args) == 0 {
return errors.New("image ID must be supplied when deleting image metadata")
}
if len(args) != 1 {
return errors.New("only one image ID can be supplied as an argument to this command")
}
c.ImageId = args[0]
return nil
}
// Info implements Command.Info.
func (c *deleteImageMetadataCommand) Info() *cmd.Info {
return &cmd.Info{
Name: "delete-image",
Purpose: "deletes image metadata from environment",
Doc: deleteImageCommandDoc,
}
}
// SetFlags implements Command.SetFlags.
func (c *deleteImageMetadataCommand) SetFlags(f *gnuflag.FlagSet) {
c.cloudImageMetadataCommandBase.SetFlags(f)
}
// Run implements Command.Run.
func (c *deleteImageMetadataCommand) Run(ctx *cmd.Context) (err error) {
api, err := c.newAPIFunc()
if err != nil {
return err
}
defer api.Close()
err = api.Delete(c.ImageId)
if err != nil {
return err
}
return nil
}
// MetadataDeleteAPI defines the API methods that delete image metadata command uses.
type MetadataDeleteAPI interface {
Close() error
Delete(imageId string) error
}