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84 lines
2.2 KiB
Go
84 lines
2.2 KiB
Go
package service
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import (
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"fmt"
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"strings"
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"golang.org/x/net/context"
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"github.com/docker/docker/cli"
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"github.com/docker/docker/cli/command"
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"github.com/docker/docker/cli/command/formatter"
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apiclient "github.com/docker/docker/client"
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"github.com/spf13/cobra"
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)
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type inspectOptions struct {
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refs []string
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format string
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pretty bool
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}
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func newInspectCommand(dockerCli *command.DockerCli) *cobra.Command {
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var opts inspectOptions
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cmd := &cobra.Command{
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Use: "inspect [OPTIONS] SERVICE [SERVICE...]",
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Short: "Display detailed information on one or more services",
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Args: cli.RequiresMinArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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opts.refs = args
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if opts.pretty && len(opts.format) > 0 {
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return fmt.Errorf("--format is incompatible with human friendly format")
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}
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return runInspect(dockerCli, opts)
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},
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}
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flags := cmd.Flags()
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flags.StringVarP(&opts.format, "format", "f", "", "Format the output using the given Go template")
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flags.BoolVar(&opts.pretty, "pretty", false, "Print the information in a human friendly format.")
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return cmd
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}
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func runInspect(dockerCli *command.DockerCli, opts inspectOptions) error {
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client := dockerCli.Client()
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ctx := context.Background()
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if opts.pretty {
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opts.format = "pretty"
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}
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getRef := func(ref string) (interface{}, []byte, error) {
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service, _, err := client.ServiceInspectWithRaw(ctx, ref)
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if err == nil || !apiclient.IsErrServiceNotFound(err) {
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return service, nil, err
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}
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return nil, nil, fmt.Errorf("Error: no such service: %s", ref)
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}
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f := opts.format
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if len(f) == 0 {
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f = "raw"
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if len(dockerCli.ConfigFile().ServiceInspectFormat) > 0 {
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f = dockerCli.ConfigFile().ServiceInspectFormat
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}
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}
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// check if the user is trying to apply a template to the pretty format, which
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// is not supported
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if strings.HasPrefix(f, "pretty") && f != "pretty" {
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return fmt.Errorf("Cannot supply extra formatting options to the pretty template")
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}
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serviceCtx := formatter.Context{
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Output: dockerCli.Out(),
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Format: formatter.NewServiceFormat(f),
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}
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if err := formatter.ServiceInspectWrite(serviceCtx, opts.refs, getRef); err != nil {
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return cli.StatusError{StatusCode: 1, Status: err.Error()}
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}
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return nil
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}
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