DockerCLI/cli/command/stack/list.go

61 lines
1.7 KiB
Go

package stack
import (
"sort"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/stack/formatter"
"github.com/docker/cli/cli/command/stack/options"
"github.com/docker/cli/cli/command/stack/swarm"
"github.com/fvbommel/sortorder"
"github.com/spf13/cobra"
)
func newListCommand(dockerCli command.Cli, common *commonOptions) *cobra.Command {
opts := options.List{}
cmd := &cobra.Command{
Use: "ls [OPTIONS]",
Aliases: []string{"list"},
Short: "List stacks",
Args: cli.NoArgs,
RunE: func(cmd *cobra.Command, args []string) error {
return RunList(cmd, dockerCli, opts, common.orchestrator)
},
}
flags := cmd.Flags()
flags.StringVar(&opts.Format, "format", "", "Pretty-print stacks using a Go template")
return cmd
}
// RunList performs a stack list against the specified orchestrator
func RunList(cmd *cobra.Command, dockerCli command.Cli, opts options.List, orchestrator command.Orchestrator) error {
stacks := []*formatter.Stack{}
if orchestrator.HasSwarm() {
ss, err := swarm.GetStacks(dockerCli)
if err != nil {
return err
}
stacks = append(stacks, ss...)
}
return format(dockerCli, opts, stacks)
}
func format(dockerCli command.Cli, opts options.List, stacks []*formatter.Stack) error {
format := formatter.Format(opts.Format)
if format == "" || format == formatter.TableFormatKey {
format = formatter.SwarmStackTableFormat
}
stackCtx := formatter.Context{
Output: dockerCli.Out(),
Format: format,
}
sort.Slice(stacks, func(i, j int) bool {
return sortorder.NaturalLess(stacks[i].Name, stacks[j].Name) ||
!sortorder.NaturalLess(stacks[j].Name, stacks[i].Name)
})
return formatter.StackWrite(stackCtx, stacks)
}