From 7432d3423d9375e52a6ce7279ef8b3fe994b6b7b Mon Sep 17 00:00:00 2001
From: Darko Luketic <info@icod.de>
Date: Mon, 8 Jan 2024 17:44:56 +0100
Subject: [PATCH] restart service after rebuild, fix #1

---
 runner/runner.go | 27 ++++++++++++++++++++++++---
 1 file changed, 24 insertions(+), 3 deletions(-)

diff --git a/runner/runner.go b/runner/runner.go
index e647fb2..27e0cda 100644
--- a/runner/runner.go
+++ b/runner/runner.go
@@ -48,7 +48,7 @@ func (r *Runner) Run() error {
 				SetContent(l).
 				Save(context.Background())
 			if e != nil {
-				return fmt.Errorf("error creating log entry: %s", e)
+				return fmt.Errorf("error creating go build log entry: %s", e)
 			}
 			if m.MoveToTarget {
 				if fl, e := copyFile(
@@ -62,7 +62,7 @@ func (r *Runner) Run() error {
 						SetContent(fl).
 						Save(context.Background())
 					if e != nil {
-						return fmt.Errorf("error saving log entry: %s", e)
+						return fmt.Errorf("error creating move to target log entry: %s", e)
 					}
 				}
 			} else {
@@ -70,7 +70,17 @@ func (r *Runner) Run() error {
 					return fmt.Errorf("error chowning binary: %s", e)
 				}
 			}
-
+			if l, e := restartSystemdService(m.ServiceName); e != nil {
+				return fmt.Errorf("error restarting systemd service %s: %s", m.ServiceName, e)
+			} else {
+				_, e = r.client.Logentry.
+					Create().
+					SetContent(l).
+					Save(context.Background())
+				if e != nil {
+					return fmt.Errorf("error creating service restart log entry: %s", e)
+				}
+			}
 		}
 	}
 	return nil
@@ -146,3 +156,14 @@ func copyFile(src, dst string) (string, error) {
 		return fmt.Sprintf("copied %d bytes from %s to %s", size, src, dst), nil
 	}
 }
+
+// restartSystemdService restarts the named systemd service via systemctl restart shell command
+func restartSystemdService(name string) (string, error) {
+	cmd := exec.Command("systemctl", "restart", name)
+	var out strings.Builder
+	cmd.Stdout = &out
+	if e := cmd.Run(); e != nil {
+		return "", e
+	}
+	return out.String(), nil
+}