Add freeze/thaw apis to cli (#422)

cmd/backups_freeze.go

@@ -0,0 +1,49 @@
+package cmd
+
+import (
+	"fmt"
+
+	helper "github.com/home-assistant/cli/client"
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+)
+
+var backupFreezeCmd = &cobra.Command{
+	Use:     "freeze",
+	Aliases: []string{"frz"},
+	Short:   "Freeze supervisor for external backup",
+	Long: `
+This command tells Supervisor to prepare Home Assistant and addons for a backup
+or snapshot taken by external software. Caller should call thaw when done.`,
+	Example: `
+  ha backups freeze --timeout 300`,
+	ValidArgsFunction: cobra.NoFileCompletions,
+	Args:              cobra.NoArgs,
+	Run: func(cmd *cobra.Command, args []string) {
+		log.WithField("args", args).Debug("backups freeze")
+
+		section := "backups"
+		command := "freeze"
+
+		options := make(map[string]interface{})
+
+		timeout, err := cmd.Flags().GetInt("timeout")
+		if timeout != 0 && err == nil && cmd.Flags().Changed("timeout") {
+			options["timeout"] = timeout
+		}
+
+		resp, err := helper.GenericJSONPost(section, command, options)
+		if err != nil {
+			fmt.Println(err)
+			ExitWithError = true
+		} else {
+			ExitWithError = !helper.ShowJSONResponse(resp)
+		}
+	},
+}
+
+func init() {
+	backupFreezeCmd.Flags().Int("timeout", 0, "Seconds before freeze times out and thaw begins")
+	backupFreezeCmd.RegisterFlagCompletionFunc("timeout", cobra.NoFileCompletions)
+	backupsCmd.AddCommand(backupFreezeCmd)
+}

cmd/backups_thaw.go

@@ -0,0 +1,40 @@
+package cmd
+
+import (
+	"fmt"
+
+	helper "github.com/home-assistant/cli/client"
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+)
+
+var backupsThawCmd = &cobra.Command{
+	Use:     "thaw",
+	Aliases: []string{"th"},
+	Short:   "Thaw supervisor after an external backup",
+	Long: `
+End a freeze initiated by the freeze command after an external backup or snapshot
+has completed.`,
+	Example: `
+  ha backups thaw`,
+	ValidArgsFunction: cobra.NoFileCompletions,
+	Args:              cobra.NoArgs,
+	Run: func(cmd *cobra.Command, args []string) {
+		log.WithField("args", args).Debug("backups thaw")
+
+		section := "backups"
+		command := "thaw"
+
+		resp, err := helper.GenericJSONPost(section, command, nil)
+		if err != nil {
+			fmt.Println(err)
+			ExitWithError = true
+		} else {
+			ExitWithError = !helper.ShowJSONResponse(resp)
+		}
+	},
+}
+
+func init() {
+	backupsCmd.AddCommand(backupsThawCmd)
+}