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remove.go
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remove.go
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// SPDX-License-Identifier: BSD-3-Clause
// Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
// Licensed under the BSD-3-Clause License (the "License").
// You may not use this file expect in compliance with the License.
package remove
import (
"context"
"fmt"
"github.com/spf13/cobra"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
networkapi "kraftkit.sh/api/network/v1alpha1"
"kraftkit.sh/cmdfactory"
"kraftkit.sh/iostreams"
"kraftkit.sh/machine/network"
)
type RemoveOptions struct {
driver string
}
// Remove a local machine network.
func Remove(ctx context.Context, opts *RemoveOptions, args ...string) error {
if opts == nil {
opts = &RemoveOptions{}
}
return opts.Run(ctx, args)
}
func NewCmd() *cobra.Command {
cmd, err := cmdfactory.New(&RemoveOptions{}, cobra.Command{
Short: "Remove a network",
Use: "rm",
Aliases: []string{"remove", "delete", "del"},
Args: cobra.ExactArgs(1),
Annotations: map[string]string{
cmdfactory.AnnotationHelpGroup: "net",
},
})
if err != nil {
panic(err)
}
return cmd
}
func (opts *RemoveOptions) Pre(cmd *cobra.Command, _ []string) error {
opts.driver = cmd.Flag("driver").Value.String()
return nil
}
func (opts *RemoveOptions) Run(ctx context.Context, args []string) error {
var err error
strategy, ok := network.Strategies()[opts.driver]
if !ok {
return fmt.Errorf("unsupported network driver strategy: %v (contributions welcome!)", opts.driver)
}
controller, err := strategy.NewNetworkV1alpha1(ctx)
if err != nil {
return err
}
if _, err := controller.Delete(ctx, &networkapi.Network{
ObjectMeta: metav1.ObjectMeta{
Name: args[0],
},
}); err != nil {
return err
}
fmt.Fprintln(iostreams.G(ctx).Out, args[0])
return nil
}