DockerCLI/cli/command/service/inspect.go

95 lines
2.6 KiB
Go

package service
import (
"context"
"strings"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/formatter"
flagsHelper "github.com/docker/cli/cli/flags"
"github.com/docker/docker/api/types"
apiclient "github.com/docker/docker/client"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
type inspectOptions struct {
refs []string
format string
pretty bool
}
func newInspectCommand(dockerCli command.Cli) *cobra.Command {
var opts inspectOptions
cmd := &cobra.Command{
Use: "inspect [OPTIONS] SERVICE [SERVICE...]",
Short: "Display detailed information on one or more services",
Args: cli.RequiresMinArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
opts.refs = args
if opts.pretty && len(opts.format) > 0 {
return errors.Errorf("--format is incompatible with human friendly format")
}
return runInspect(dockerCli, opts)
},
}
flags := cmd.Flags()
flags.StringVarP(&opts.format, "format", "f", "", flagsHelper.InspectFormatHelp)
flags.BoolVar(&opts.pretty, "pretty", false, "Print the information in a human friendly format")
return cmd
}
func runInspect(dockerCli command.Cli, opts inspectOptions) error {
client := dockerCli.Client()
ctx := context.Background()
if opts.pretty {
opts.format = "pretty"
}
getRef := func(ref string) (interface{}, []byte, error) {
// Service inspect shows defaults values in empty fields.
service, _, err := client.ServiceInspectWithRaw(ctx, ref, types.ServiceInspectOptions{InsertDefaults: true})
if err == nil || !apiclient.IsErrNotFound(err) {
return service, nil, err
}
return nil, nil, errors.Errorf("Error: no such service: %s", ref)
}
getNetwork := func(ref string) (interface{}, []byte, error) {
network, _, err := client.NetworkInspectWithRaw(ctx, ref, types.NetworkInspectOptions{Scope: "swarm"})
if err == nil || !apiclient.IsErrNotFound(err) {
return network, nil, err
}
return nil, nil, errors.Errorf("Error: no such network: %s", ref)
}
f := opts.format
if len(f) == 0 {
f = "raw"
if len(dockerCli.ConfigFile().ServiceInspectFormat) > 0 {
f = dockerCli.ConfigFile().ServiceInspectFormat
}
}
// check if the user is trying to apply a template to the pretty format, which
// is not supported
if strings.HasPrefix(f, "pretty") && f != "pretty" {
return errors.Errorf("Cannot supply extra formatting options to the pretty template")
}
serviceCtx := formatter.Context{
Output: dockerCli.Out(),
Format: NewFormat(f),
}
if err := InspectFormatWrite(serviceCtx, opts.refs, getRef, getNetwork); err != nil {
return cli.StatusError{StatusCode: 1, Status: err.Error()}
}
return nil
}