[actions/shutdown] add time option to control delay

actions/shutdown.go

@@ -3,23 +3,24 @@ package actions
 import (
 	"fmt"
 	"os/exec"
+	"encoding/json"
 
 	"unknown.com/gokill/internal"
 )
 
 type Shutdown struct {
+	Timeout string `json:"time"`
 	ActionChan ActionResultChan
 }
 
 func (s Shutdown) DryExecute() {
+	fmt.Printf("shutdown -h %s\n", s.Timeout)
 	fmt.Println("Test Shutdown executed...")
-
 	s.ActionChan <- nil
-
 }
 
 func (s Shutdown) Execute() {
-	if err := exec.Command("shutdown", "-h", "now").Run(); err != nil {
+	if err := exec.Command("shutdown", "-h", s.Timeout).Run(); err != nil {
 		fmt.Println("Failed to initiate shutdown:", err)
 	}
 
@@ -29,7 +30,16 @@ func (s Shutdown) Execute() {
 }
 
 func (s Shutdown) Create(config internal.ActionConfig, c ActionResultChan) (Action, error) {
-	return Shutdown{c}, nil
+	var result Shutdown
+	err := json.Unmarshal(config.Options, &result)
+
+	if err != nil {
+		fmt.Println("Parsing Shutdown options failed.")
+		return Shutdown{}, err
+	}
+
+	result.ActionChan = c
+	return result, nil
 }
 
 func (p Shutdown) GetName() string {
@@ -44,10 +54,20 @@ func (p Shutdown) GetExample() string {
 	return `
 	{
 		"type": "Shutdown",
+		"options": {
+			"time": "+5" //wait 5 minutes before shutdown
+		}
 	}
 	`
 }
 
 func (p Shutdown) GetOptions() []internal.ConfigOption {
-	return []internal.ConfigOption{}
+	return []internal.ConfigOption{
+		{
+			Name: "time",
+			Type: "string",
+			Description: "TIME parameter passed to shutdown as follows ```shutdown -h TIME```",
+			Default: "now",
+		},
+	}
 }