fix ssh 4

backend/app/services/device_discovery.py

@@ -194,19 +194,21 @@ async def _autodetect_db_from_server(
     parser = RawConfigParser(strict=False)
     parser.read_string(config_text)
 
-    db_uri = parser.get("server", "db_uri", fallback=None)
-    if db_uri:
+    # Search all sections + DEFAULT (keys before any section header) for db_uri
+    sections_to_check = list(parser.sections()) + ["DEFAULT"]
+    for section in sections_to_check:
+        try:
+            db_uri = parser.get(section, "db_uri", fallback=None)
+            if db_uri and db_uri.startswith("postgresql"):
+                return _parse_db_uri(db_uri)
+        except Exception:
+            continue
+
+    # Also check raw defaults (keys before any section)
+    db_uri = parser.defaults().get("db_uri")
+    if db_uri and db_uri.startswith("postgresql"):
         return _parse_db_uri(db_uri)
 
-    # Fallback: try [database] section with individual fields
-    if parser.has_section("database"):
-        return {
-            "host": parser.get("database", "host", fallback=None),
-            "port": int(parser.get("database", "port", fallback="5432")),
-            "user": parser.get("database", "user", fallback=None),
-            "password": parser.get("database", "password", fallback=None),
-            "dbname": parser.get("database", "name", fallback=None),
-        }
     return None
 
 
@@ -308,10 +310,29 @@ async def discover_via_ssh(
             ssh_password=ssh_password,
         )
         if not detected or not all([detected.get("host"), detected.get("user"), detected.get("dbname")]):
+            # Diagnostic: try to read the config and list what sections/keys are there
+            try:
+                raw = await _read_remote_config(
+                    host=obj.server_ip,
+                    port=ssh_port,
+                    username=obj.ssh_user,
+                    password=ssh_password,
+                    config_path="/etc/caps/config.ini",
+                )
+                diag_parser = RawConfigParser(strict=False)
+                diag_parser.read_string(raw)
+                found_sections = diag_parser.sections()
+                found_keys = {s: list(diag_parser.options(s)) for s in found_sections}
                 result.errors.append(
-                "DB connection not configured and could not be auto-detected from server config. "
-                "Fill in the DB connection fields on the object or ensure /etc/caps/config.ini "
-                "on the server contains a [server] db_uri field."
+                    f"db_uri not found in server config. "
+                    f"Sections found: {found_sections}. "
+                    f"Keys per section: {found_keys}. "
+                    f"Fill in DB fields manually on the object."
+                )
+            except Exception as diag_exc:
+                result.errors.append(
+                    f"Could not read server config for auto-detection: {diag_exc}. "
+                    f"Fill in DB fields manually on the object."
                 )
             return result
         db_host = detected["host"]