CI improvement: First check syntax & always display error/audit logs

Author: Marc Stern

.github/workflows/ci.yml

@@ -45,8 +45,14 @@ jobs:
           sudo cp unicode.mapping /etc/apache2/
           sudo mkdir -p /var/cache/modsecurity
           sudo chown -R www-data:www-data /var/cache/modsecurity
+      - name: first check config (to get syntax errors)
+        run: sudo apachectl configtest
       - name: start apache with module
-        run: |
-          sudo systemctl restart apache2.service
-          sudo cat /var/log/apache2/error.log
-
+        run: sudo systemctl restart apache2.service
+      - name: Show httpd error log
+        if: always()
+        run: sudo cat /var/log/apache2/error.log
+      - name: Show mod_security2 audit log
+        if: always()
+        run: sudo cat /var/log/apache2/modsec_audit.log
+        # For non-regression tests: /home/runner/work/ModSecurity/ModSecurity/tests/regression/server_root/logs/audit/audit.log