73 lines
1.8 KiB
Go
73 lines
1.8 KiB
Go
package node
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/docker/docker/cli"
|
|
"github.com/docker/docker/cli/command"
|
|
"github.com/docker/docker/cli/command/formatter"
|
|
"github.com/spf13/cobra"
|
|
"golang.org/x/net/context"
|
|
)
|
|
|
|
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(dockerCli, opts)
|
|
},
|
|
}
|
|
|
|
flags := cmd.Flags()
|
|
flags.StringVarP(&opts.format, "format", "f", "", "Format the output using the given Go template")
|
|
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) {
|
|
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 fmt.Errorf("Cannot supply extra formatting options to the pretty template")
|
|
}
|
|
|
|
nodeCtx := formatter.Context{
|
|
Output: dockerCli.Out(),
|
|
Format: formatter.NewNodeFormat(f, false),
|
|
}
|
|
|
|
if err := formatter.NodeInspectWrite(nodeCtx, opts.nodeIds, getRef); err != nil {
|
|
return cli.StatusError{StatusCode: 1, Status: err.Error()}
|
|
}
|
|
return nil
|
|
}
|