fix(agent): Suppress creation of err logs for req failures

This is possible by setting http_status_code to < 500. Using custom
status code 420 for this purpose.

press/agent.py

@@ -14,6 +14,7 @@
 from frappe.utils.password import get_decrypted_password
 from requests.exceptions import HTTPError
 
+from press.exceptions import AgentHTTPError
 from press.utils import get_mariadb_root_password, log_error, sanitize_config
 
 if TYPE_CHECKING:
@@ -777,7 +778,7 @@ def request(self, method, path, data=None, files=None, agent_job=None, raises=Tr
 				output = "\n\n".join([json_response.get("output", ""), json_response.get("traceback", "")])
 				if output == "\n\n":
 					output = json.dumps(json_response, indent=2, sort_keys=True)
-				raise HTTPError(
+				raise AgentHTTPError(
 					f"{response.status_code} {response.reason}\n\n{output}",
 					response=response,
 				)

press/exceptions.py

@@ -1,4 +1,5 @@
 from frappe.exceptions import ValidationError
+from requests import HTTPError
 
 
 class CentralServerNotSet(ValidationError):
@@ -55,3 +56,11 @@ class SiteAlreadyArchived(ValidationError):
 
 class InactiveDomains(ValidationError):
 	pass
+
+
+class AgentHTTPError(HTTPError):
+	def __init__(
+		self, *args, request=None, response=None, status_code=555
+	):  # custom status_code exception to suppress err logs
+		self.http_status_code = status_code
+		super().__init__(*args, request=request, response=response)