127 lines
2.7 KiB
Go
127 lines
2.7 KiB
Go
package command
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import (
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"fmt"
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"strings"
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"github.com/hashicorp/nomad/api"
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flaghelper "github.com/hashicorp/nomad/helper/flag-helpers"
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"github.com/posener/complete"
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)
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type NamespaceApplyCommand struct {
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Meta
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}
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func (c *NamespaceApplyCommand) Help() string {
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helpText := `
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Usage: nomad namespace apply [options] <namespace>
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Apply is used to create or update a namespace. It takes the namespace name to
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create or update as its only argument.
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General Options:
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` + generalOptionsUsage() + `
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Apply Options:
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-quota
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The quota to attach to the namespace.
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-description
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An optional description for the namespace.
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`
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return strings.TrimSpace(helpText)
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}
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func (c *NamespaceApplyCommand) AutocompleteFlags() complete.Flags {
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return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient),
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complete.Flags{
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"-description": complete.PredictAnything,
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"-quota": QuotaPredictor(c.Meta.Client),
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})
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}
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func (c *NamespaceApplyCommand) AutocompleteArgs() complete.Predictor {
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return NamespacePredictor(c.Meta.Client, nil)
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}
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func (c *NamespaceApplyCommand) Synopsis() string {
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return "Create or update a namespace"
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}
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func (c *NamespaceApplyCommand) Name() string { return "namespace apply" }
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func (c *NamespaceApplyCommand) Run(args []string) int {
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var description, quota *string
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flags := c.Meta.FlagSet(c.Name(), FlagSetClient)
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flags.Usage = func() { c.Ui.Output(c.Help()) }
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flags.Var((flaghelper.FuncVar)(func(s string) error {
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description = &s
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return nil
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}), "description", "")
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flags.Var((flaghelper.FuncVar)(func(s string) error {
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quota = &s
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return nil
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}), "quota", "")
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if err := flags.Parse(args); err != nil {
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return 1
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}
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// Check that we get exactly one argument
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args = flags.Args()
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if l := len(args); l != 1 {
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c.Ui.Error("This command takes one argument: <namespace>")
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c.Ui.Error(commandErrorText(c))
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return 1
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}
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name := args[0]
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// Validate we have at-least a name
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if name == "" {
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c.Ui.Error("Namespace name required")
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return 1
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}
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// Get the HTTP client
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client, err := c.Meta.Client()
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
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return 1
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}
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// Lookup the given namespace
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ns, _, err := client.Namespaces().Info(name, nil)
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if err != nil && !strings.Contains(err.Error(), "404") {
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c.Ui.Error(fmt.Sprintf("Error looking up namespace: %s", err))
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return 1
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}
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if ns == nil {
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ns = &api.Namespace{
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Name: name,
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}
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}
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// Add what is set
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if description != nil {
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ns.Description = *description
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}
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if quota != nil {
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ns.Quota = *quota
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}
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_, err = client.Namespaces().Register(ns, nil)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error applying namespace: %s", err))
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return 1
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}
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c.Ui.Output(fmt.Sprintf("Successfully applied namespace %q!", name))
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return 0
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}
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