open-nomad/command/namespace_inspect.go

104 lines
2.3 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package command
import (
"fmt"
"strings"
"github.com/posener/complete"
)
type NamespaceInspectCommand struct {
Meta
}
func (c *NamespaceInspectCommand) Help() string {
helpText := `
Usage: nomad namespace inspect [options] <namespace>
Inspect is used to view raw information about a particular namespace.
If ACLs are enabled, this command requires a management ACL token or a token
that has a capability associated with the namespace.
General Options:
` + generalOptionsUsage(usageOptsDefault|usageOptsNoNamespace) + `
Inspect Options:
-t
Format and display the namespaces using a Go template.
`
return strings.TrimSpace(helpText)
}
func (c *NamespaceInspectCommand) AutocompleteFlags() complete.Flags {
return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient),
complete.Flags{
"-t": complete.PredictAnything,
})
}
func (c *NamespaceInspectCommand) AutocompleteArgs() complete.Predictor {
return NamespacePredictor(c.Meta.Client, nil)
}
func (c *NamespaceInspectCommand) Synopsis() string {
return "Inspect a namespace"
}
func (c *NamespaceInspectCommand) Name() string { return "namespace inspect" }
func (c *NamespaceInspectCommand) Run(args []string) int {
var tmpl string
flags := c.Meta.FlagSet(c.Name(), FlagSetClient)
flags.Usage = func() { c.Ui.Output(c.Help()) }
flags.StringVar(&tmpl, "t", "", "")
if err := flags.Parse(args); err != nil {
return 1
}
// Check that we got one arguments
args = flags.Args()
if l := len(args); l != 1 {
c.Ui.Error("This command takes one argument: <namespace>")
c.Ui.Error(commandErrorText(c))
return 1
}
name := args[0]
// Get the HTTP client
client, err := c.Meta.Client()
if err != nil {
c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
return 1
}
// Do a prefix lookup
ns, possible, err := getNamespace(client.Namespaces(), name)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error retrieving namespaces: %s", err))
return 1
}
if len(possible) != 0 {
c.Ui.Error(fmt.Sprintf("Prefix matched multiple namespaces\n\n%s", formatNamespaces(possible)))
return 1
}
out, err := Format(len(tmpl) == 0, tmpl, ns)
if err != nil {
c.Ui.Error(err.Error())
return 1
}
c.Ui.Output(out)
return 0
}