TST: wait for startup of save-and-restore service

Author: dmgav

.github/workflows/testing.yml

@@ -28,7 +28,7 @@ jobs:
     - name: Start save-and-restore service
       run: |
         pushd container
-        bash start-save-and-restore.sh
+        ./start-save-and-restore.sh
         popd
 
     - name: Test with pytest

container/start-save-and-restore.sh

@@ -2,6 +2,7 @@ set -x
 
 python create_env_file.py
 sudo docker compose -f save-and-restore.yml up -d
+python wait_for_startup.py
 
 # Wait until the service is started.
-sleep 30
+#sleep 30

container/wait_for_startup.py

@@ -0,0 +1,23 @@
+import time
+
+import httpx
+
+t_wait = 120
+BASE_URL = "http://localhost:8080/save-restore"
+root_node_uid = "44bef5de-e8e6-4014-af37-b8f6c8a939a2"
+
+if __name__ == "__main__":
+    t_start = time.time()
+    url = f"/node/{root_node_uid}"
+    with httpx.Client(base_url=BASE_URL, timeout=1) as client:
+        while time.time() - t_start < t_wait:
+            try:
+                response = client.request("GET", url)
+                if response.status_code == 200:
+                    print("Success: save-and-restore server is up")
+                    exit(0)
+            except Exception:
+                pass
+
+    print(f"TIMEOUT: save-and-restore server failed to start in {t_wait} seconds")
+    exit(1)