open-nomad/command/namespace_apply.go

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2017-09-07 23:56:15 +00:00
package command
import (
"fmt"
"strings"
"github.com/hashicorp/nomad/api"
"github.com/posener/complete"
)
type NamespaceApplyCommand struct {
Meta
}
func (c *NamespaceApplyCommand) Help() string {
helpText := `
Usage: nomad namespace apply [options]
Apply is used to create or update a namespace.
General Options:
` + generalOptionsUsage() + `
Apply Options:
-name
The name of the namespace.
-description
An optional description for the namespace.
`
return strings.TrimSpace(helpText)
}
func (c *NamespaceApplyCommand) AutocompleteFlags() complete.Flags {
return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient),
complete.Flags{
"-name": complete.PredictAnything,
"-description": complete.PredictAnything,
})
}
func (c *NamespaceApplyCommand) AutocompleteArgs() complete.Predictor {
return complete.PredictNothing
}
func (c *NamespaceApplyCommand) Synopsis() string {
return "Create or update a namespace"
}
func (c *NamespaceApplyCommand) Run(args []string) int {
var name, description string
flags := c.Meta.FlagSet("namespace apply", FlagSetClient)
flags.Usage = func() { c.Ui.Output(c.Help()) }
flags.StringVar(&name, "name", "", "")
flags.StringVar(&description, "description", "", "")
if err := flags.Parse(args); err != nil {
return 1
}
// Check that we got no arguments
args = flags.Args()
if l := len(args); l != 0 {
c.Ui.Error(c.Help())
return 1
}
// Validate we have at-least a name
if name == "" {
c.Ui.Error("Namespace name required")
return 1
}
// Get the HTTP client
client, err := c.Meta.Client()
if err != nil {
c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
return 1
}
// Create the request object.
ns := &api.Namespace{
Name: name,
Description: description,
}
_, err = client.Namespaces().Register(ns, nil)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error applying namespace: %s", err))
return 1
}
return 0
}