DockerCLI/cli/command/network/remove.go

68 lines
1.8 KiB
Go

package network
import (
"context"
"fmt"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/docker/api/types"
"github.com/docker/docker/errdefs"
"github.com/spf13/cobra"
)
type removeOptions struct {
force bool
}
func newRemoveCommand(dockerCli command.Cli) *cobra.Command {
var opts removeOptions
cmd := &cobra.Command{
Use: "rm NETWORK [NETWORK...]",
Aliases: []string{"remove"},
Short: "Remove one or more networks",
Args: cli.RequiresMinArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
return runRemove(dockerCli, args, &opts)
},
}
flags := cmd.Flags()
flags.BoolVarP(&opts.force, "force", "f", false, "Do not error if the network does not exist")
return cmd
}
const ingressWarning = "WARNING! Before removing the routing-mesh network, " +
"make sure all the nodes in your swarm run the same docker engine version. " +
"Otherwise, removal may not be effective and functionality of newly create " +
"ingress networks will be impaired.\nAre you sure you want to continue?"
func runRemove(dockerCli command.Cli, networks []string, opts *removeOptions) error {
client := dockerCli.Client()
ctx := context.Background()
status := 0
for _, name := range networks {
if nw, _, err := client.NetworkInspectWithRaw(ctx, name, types.NetworkInspectOptions{}); err == nil &&
nw.Ingress &&
!command.PromptForConfirmation(dockerCli.In(), dockerCli.Out(), ingressWarning) {
continue
}
if err := client.NetworkRemove(ctx, name); err != nil {
if opts.force && errdefs.IsNotFound(err) {
continue
}
fmt.Fprintf(dockerCli.Err(), "%s\n", err)
status = 1
continue
}
fmt.Fprintf(dockerCli.Out(), "%s\n", name)
}
if status != 0 {
return cli.StatusError{StatusCode: status}
}
return nil
}