Use FTL's build-in wait-for command for checking the logs

Signed-off-by: yubiuser <github@yubiuser.dev>

Author: yubiuser

src/start.sh

@@ -75,10 +75,9 @@ start() {
         sleep 0.5
     done
 
-    #  Wait until the FTL log contains the "FTL started" message before continuing
-    while ! grep -q '########## FTL started' /var/log/pihole/FTL.log; do
-        sleep 0.5
-    done
+    #  Wait until the FTL log contains the "FTL started" message before continuing, timeout after 10 seconds
+    logsize_before=$(stat -c%s /var/log/pihole/FTL.log)
+    pihole-FTL wait-for '########## FTL started' /var/log/pihole/FTL.log 10 "${logsize_before}" > /dev/null
 
     pihole updatechecker
     local versionsOutput

test/tests/test_general.py

@@ -50,7 +50,7 @@ def test_pihole_ftl_architecture(docker):
 
 
 # Wait 5 seconds for startup, then kill the start.sh script
-# Finally, grep the FTL log to see if it has been shut down cleanly
+# Finally, check the FTL log to see if it has been shut down cleanly
 def test_pihole_ftl_clean_shutdown(docker):
     func = docker.run(
         """