add Shutdown action

actions/shutdown.go

@@ -0,0 +1,38 @@
+package actions
+
+import (
+	"fmt"
+	"os/exec"
+
+	"unknown.com/gokill/internal"
+)
+
+type Shutdown struct {
+	ActionChan chan bool
+}
+
+func (c Shutdown) Execute() {
+	if err := exec.Command("shutdown", "-h", "now").Run(); err != nil {
+		fmt.Println("Failed to initiate shutdown:", err)
+	}
+
+	fmt.Println("Shutdown executed...")
+
+	c.ActionChan <- true
+}
+
+func NewShutdown(config internal.ActionConfig, c chan bool) (Action, error) {
+	return Shutdown{c}, nil
+}
+
+func (p Shutdown) GetName() string {
+	return "Shutdown"
+}
+
+func (p Shutdown) GetDescription() string {
+	return "When triggered shuts down the machine"
+}
+
+func (p Shutdown) GetOptions() []internal.ConfigOption {
+	return []internal.ConfigOption{}
+}