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remove.go
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remove.go
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package stack
import (
"fmt"
"golang.org/x/net/context"
"github.com/docker/docker/cli"
"github.com/docker/docker/cli/command"
"github.com/spf13/cobra"
)
type removeOptions struct {
namespace string
}
func newRemoveCommand(dockerCli *command.DockerCli) *cobra.Command {
var opts removeOptions
cmd := &cobra.Command{
Use: "rm STACK",
Aliases: []string{"remove", "down"},
Short: "Remove the stack",
Args: cli.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
opts.namespace = args[0]
return runRemove(dockerCli, opts)
},
}
return cmd
}
func runRemove(dockerCli *command.DockerCli, opts removeOptions) error {
namespace := opts.namespace
client := dockerCli.Client()
stderr := dockerCli.Err()
ctx := context.Background()
hasError := false
services, err := getServices(ctx, client, namespace)
if err != nil {
return err
}
for _, service := range services {
fmt.Fprintf(stderr, "Removing service %s\n", service.Spec.Name)
if err := client.ServiceRemove(ctx, service.ID); err != nil {
hasError = true
fmt.Fprintf(stderr, "Failed to remove service %s: %s", service.ID, err)
}
}
networks, err := getStackNetworks(ctx, client, namespace)
if err != nil {
return err
}
for _, network := range networks {
fmt.Fprintf(stderr, "Removing network %s\n", network.Name)
if err := client.NetworkRemove(ctx, network.ID); err != nil {
hasError = true
fmt.Fprintf(stderr, "Failed to remove network %s: %s", network.ID, err)
}
}
if len(services) == 0 && len(networks) == 0 {
fmt.Fprintf(dockerCli.Out(), "Nothing found in stack: %s\n", namespace)
return nil
}
if hasError {
return fmt.Errorf("Failed to remove some resources")
}
return nil
}