Merge branch 't34153-detect-status-vhost-port' into 'master'

See merge request mediaserver/envsetup!68

tests/scripts/test_nginx_status.py

 #!/usr/bin/env python3
 
-"""
+'''
 Criticality: Normal
 Checks that the webserver is running.
-"""
+'''
 
 from pathlib import Path
+import re
 import requests
 import sys
 
@@ -16,29 +17,39 @@ from utilities import logging as lg  # noqa: E402
 
 
 def main():
-    lg.log("Checking nginx status:")
+    lg.log('Checking nginx status:')
 
-    if not Path("/etc/nginx").exists():
-        lg.info("nginx dir does not exists, skip test")
-        exit(2)
+    stats_file = Path('/etc/nginx/sites-enabled/stats.conf')
+    if not stats_file.exists():
+        lg.info('The Nginx status vhost does not exist, skipping test.')
+        return 2
+
+    with open(stats_file, 'r') as fo:
+        content = fo.read()
+    listen_s = re.search(r'listen (\d+);', content)
+    if not listen_s:
+        lg.info('The Nginx status vhost has no listen directive, skipping test.')
+        return 2
+    port = int(listen_s.group(1))
 
     try:
         req = requests.get(
-            "http://127.0.0.1:1080/nginx_status",
-            proxies={"http": "", "https": ""},
+            'http://127.0.0.1:%s/nginx_status' % port,
+            proxies={'http': '', 'https': ''},
             timeout=5,
         )
         if req.status_code != 200:
-            raise Exception("status code: {}".format(req.status_code))
-        if "Active connections" not in req.text:
-            raise Exception("invalid response from nginx status url")
+            raise Exception('Status code: %s.' % req.status_code)
+        if 'Active connections' not in req.text:
+            raise Exception('invalid response from nginx status url.')
     except Exception as e:
         lg.error(str(e))
-        exit(1)
+        return 1
 
-    lg.success("status code: {}".format(req.status_code))
-    exit(0)
+    lg.success('Status code: %s.' % req.status_code)
+    return 0
 
 
-if __name__ == "__main__":
-    main()
+if __name__ == '__main__':
+    rc = main()
+    sys.exit(rc)