mirror of https://github.com/docker/cli.git
73 lines
1.8 KiB
Go
73 lines
1.8 KiB
Go
package node
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import (
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"context"
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"fmt"
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"strings"
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"github.com/docker/cli/cli"
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"github.com/docker/cli/cli/command"
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"github.com/docker/cli/cli/command/formatter"
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"github.com/spf13/cobra"
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)
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type inspectOptions struct {
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nodeIds []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.Cli) *cobra.Command {
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var opts inspectOptions
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cmd := &cobra.Command{
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Use: "inspect [OPTIONS] self|NODE [NODE...]",
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Short: "Display detailed information on one or more nodes",
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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.nodeIds = args
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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.Cli, 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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nodeRef, err := Reference(ctx, client, ref)
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if err != nil {
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return nil, nil, err
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}
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node, _, err := client.NodeInspectWithRaw(ctx, nodeRef)
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return node, nil, err
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}
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f := opts.format
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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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nodeCtx := formatter.Context{
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Output: dockerCli.Out(),
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Format: NewFormat(f, false),
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}
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if err := InspectFormatWrite(nodeCtx, opts.nodeIds, 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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