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// FIXME(thaJeztah): remove once we are a module; the go:build directive prevents go from downgrading language version to go1.16:
//go:build go1.22
package node
import (
"context"
"errors"
"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/spf13/cobra"
)
type inspectOptions struct {
nodeIds []string
format string
pretty bool
}
func newInspectCommand(dockerCli command.Cli) *cobra.Command {
var opts inspectOptions
cmd := &cobra.Command{
Use: "inspect [OPTIONS] self|NODE [NODE...]",
Short: "Display detailed information on one or more nodes",
Args: cli.RequiresMinArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
opts.nodeIds = args
return runInspect(cmd.Context(), 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(ctx context.Context, dockerCli command.Cli, opts inspectOptions) error {
client := dockerCli.Client()
if opts.pretty {
opts.format = "pretty"
}
getRef := func(ref string) (any, []byte, error) {
nodeRef, err := Reference(ctx, client, ref)
if err != nil {
return nil, nil, err
}
node, _, err := client.NodeInspectWithRaw(ctx, nodeRef)
return node, nil, err
}
f := opts.format
// 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.New("cannot supply extra formatting options to the pretty template")
}
nodeCtx := formatter.Context{
Output: dockerCli.Out(),
Format: NewFormat(f, false),
}
if err := InspectFormatWrite(nodeCtx, opts.nodeIds, getRef); err != nil {
return cli.StatusError{StatusCode: 1, Status: err.Error()}
}
return nil
}