mirror of https://github.com/docker/cli.git
79 lines
1.9 KiB
Go
79 lines
1.9 KiB
Go
package node
|
|
|
|
import (
|
|
"context"
|
|
"sort"
|
|
|
|
"github.com/docker/cli/cli"
|
|
"github.com/docker/cli/cli/command"
|
|
"github.com/docker/cli/cli/command/formatter"
|
|
"github.com/docker/cli/opts"
|
|
"github.com/docker/docker/api/types"
|
|
"github.com/fvbommel/sortorder"
|
|
"github.com/spf13/cobra"
|
|
)
|
|
|
|
type listOptions struct {
|
|
quiet bool
|
|
format string
|
|
filter opts.FilterOpt
|
|
}
|
|
|
|
func newListCommand(dockerCli command.Cli) *cobra.Command {
|
|
options := listOptions{filter: opts.NewFilterOpt()}
|
|
|
|
cmd := &cobra.Command{
|
|
Use: "ls [OPTIONS]",
|
|
Aliases: []string{"list"},
|
|
Short: "List nodes in the swarm",
|
|
Args: cli.NoArgs,
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
return runList(dockerCli, options)
|
|
},
|
|
}
|
|
flags := cmd.Flags()
|
|
flags.BoolVarP(&options.quiet, "quiet", "q", false, "Only display IDs")
|
|
flags.StringVar(&options.format, "format", "", "Pretty-print nodes using a Go template")
|
|
flags.VarP(&options.filter, "filter", "f", "Filter output based on conditions provided")
|
|
|
|
return cmd
|
|
}
|
|
|
|
func runList(dockerCli command.Cli, options listOptions) error {
|
|
client := dockerCli.Client()
|
|
ctx := context.Background()
|
|
|
|
nodes, err := client.NodeList(
|
|
ctx,
|
|
types.NodeListOptions{Filters: options.filter.Value()})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
info := types.Info{}
|
|
if len(nodes) > 0 && !options.quiet {
|
|
// only non-empty nodes and not quiet, should we call /info api
|
|
info, err = client.Info(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
format := options.format
|
|
if len(format) == 0 {
|
|
format = formatter.TableFormatKey
|
|
if len(dockerCli.ConfigFile().NodesFormat) > 0 && !options.quiet {
|
|
format = dockerCli.ConfigFile().NodesFormat
|
|
}
|
|
}
|
|
|
|
nodesCtx := formatter.Context{
|
|
Output: dockerCli.Out(),
|
|
Format: NewFormat(format, options.quiet),
|
|
}
|
|
sort.Slice(nodes, func(i, j int) bool {
|
|
return sortorder.NaturalLess(nodes[i].Description.Hostname, nodes[j].Description.Hostname)
|
|
})
|
|
return FormatWrite(nodesCtx, nodes, info)
|
|
}
|