Tentative to fix flaky up test with AMDA

Signed-off-by: Alexis Jeandet <alexis.jeandet@member.fsf.org>

speasy/core/http.py

@@ -2,6 +2,7 @@
 import logging
 import platform
 import re
+import time
 from functools import partial
 from typing import Optional
 
@@ -109,7 +110,7 @@ def urlopen(url, timeout: int = DEFAULT_TIMEOUT, headers: dict = None):
 
 
 def is_server_up(url: Optional[str] = None, host: Optional[str] = None, port: Optional[int] = None,
-                 timeout: int = 5) -> bool:
+                 timeout: int = 5, retries=5) -> bool:
     """Checks if a server is up and running.
 
     Parameters
@@ -140,11 +141,16 @@ def is_server_up(url: Optional[str] = None, host: Optional[str] = None, port: Op
         raise ValueError("Either url or host and port must be provided")
     import socket
     try:
-        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-        sock.settimeout(timeout)
-        result = sock.connect_ex((host, int(port)))
-        sock.close()
-        return result == 0
+        for _ in range(retries):
+            sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+            sock.settimeout(timeout)
+            result = sock.connect_ex((host, int(port)))
+            sock.close()
+            if result == 0:
+                return True
+            log.debug(f"Server {host}:{port} not up yet, retrying in 1 second")
+            time.sleep(1.)
+        return False
     except Exception as e:
         log.error(f"Error while checking server status: {e}")
         return False