Merge branch 'v2/master' into v2/pr/ci_log

.github/workflows/ci.yml

@@ -54,9 +54,20 @@ jobs:
           # '|| :' handles the case grep doesn't match, otherwise the script exits with 1 (error)
           errors=$(grep -E ':(?error|warn)[]]' /var/log/apache2/error.log) || :
           if [[ -z "${errors}" ]]; then exit 0; fi
-          echo "::error::Found errors/warnings in error.log"
+          echo "::error:: Found errors/warnings in error.log"
           echo "${errors}"
           exit 1
+      - name: Check error.log
+        run: |
+          # Send requests & check log format
+          # Valid request
+          curl -s http://127.0.01/ > /dev/null || echo $?
+          # Invalid request
+          curl -s http://127.0.01/%2e%2f > /dev/null || echo $? 
+          # Check log format
+          grep -F ModSecurity < /var/log/apache2/error.log | grep -vP "^\[[^\]]+\] \[security2:[a-z]+\] \[pid [0-9]+:tid [0-9]+\] (?:\[client [0-9.:]+\] )?ModSecurity" || exit 0
+          # grep -v succeeded => found some lines with invalid format
+          exit 1
       - name: Show httpd error log
         if: always()
         run: sudo cat /var/log/apache2/error.log