Creating 'wings service-install' command

cmd/root.go

@@ -87,6 +87,7 @@ func init() {
 
 	rootCommand.AddCommand(versionCommand)
 	rootCommand.AddCommand(configureCmd)
+	rootCommand.AddCommand(serviceCmd)
 	rootCommand.AddCommand(newDiagnosticsCommand())
 }
 

cmd/service_install.go

@@ -0,0 +1,79 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+
+	"github.com/apex/log"
+	"github.com/spf13/cobra"
+)
+
+var (
+	serviceFile    = "/etc/systemd/system/wings.service"
+	serviceContent = `[Unit]
+Description=Pterodactyl Wings Daemon
+After=docker.service
+Requires=docker.service
+PartOf=docker.service
+
+[Service]
+User=root
+WorkingDirectory=/etc/pterodactyl
+LimitNOFILE=4096
+PIDFile=/var/run/wings/daemon.pid
+ExecStart=/usr/local/bin/wings
+Restart=on-failure
+StartLimitInterval=180
+StartLimitBurst=30
+RestartSec=5s
+
+[Install]
+WantedBy=multi-user.target`
+	serviceCmd = &cobra.Command{
+		Use:   "service-install",
+		Short: "Use to install wings.service automatically",
+		Run:   installService,
+	}
+)
+
+func installService(cmd *cobra.Command, args []string) {
+	if _, err := os.Stat(serviceFile); err == nil {
+		log.WithField("error", "service file exists").Fatal("service aready installed")
+		return
+	}
+
+	f, cf_err := os.Create(serviceFile)
+
+	if cf_err != nil {
+		log.WithField("error", cf_err).Fatal("error while creating service file")
+		return
+	}
+
+	content := []byte(serviceContent)
+
+	_, wf_err := f.Write(content)
+
+	if wf_err != nil {
+		log.WithField("error", wf_err).Fatal("error while write service file")
+		return
+	}
+
+	enable_command := exec.Command("systemctl", "enable", "--now", serviceFile)
+	cmd_enable_err := enable_command.Start()
+
+	if cmd_enable_err != nil {
+		log.WithField("error", cmd_enable_err).Fatal("error while enabling service")
+		return
+	}
+
+	daemon_reload_command := exec.Command("systemctl", "daemon-reload")
+	cmd_reload_err := daemon_reload_command.Start()
+
+	if cmd_reload_err != nil {
+		log.WithField("error", cmd_reload_err).Fatal("error while reloading daemon")
+		return
+	}
+
+	fmt.Println("service created success!")
+}