Checkmk Werk 14284: Notification spooler: Fix producing corrupted spool files

ID: 14284 Title: Notification spooler: Fix producing corrupted spool files Component: Notifications Level: 1 Class: Bug fix Version: 2.2.0i1 The Notification Spooler could create corrupted spool files which resulted in error messages like this in the <tt>var/log/mknotifyd.log</tt> log: C+: 2022-07-18 21:49:14,276 [40] [cmk.mknotifyd] Corrupted spoolfile /omd/sites/stable/var/check_mk/notify/spool/ccaae1d5-8b33-403c-bbd8-e1b8796035ca: Traceback (most recent call last): File "/omd/sites/stable/lib/python3/cmk/cee/mknotifyd/spool_handler.py", line 70, in _process_spool_directory content: Message = evaluate_file(spoolfile_path) File "/omd/sites/stable/lib/python3/cmk/cee/mknotifyd/utils.py", line 50, in evaluate_file return ast.literal_eval(f.read()) File "/omd/sites/stable/lib/python3.9/ast.py", line 62, in literal_eval node_or_string = parse(node_or_string, mode='eval') File "/omd/sites/stable/lib/python3.9/ast.py", line 50, in parse return compile(source, filename, mode, flags, File "<unknown>", line 0 SyntaxError: unexpected EOF while parsing 2022-07-18 21:49:14,728 [20] [cmk.mknotifyd] got exit code 2 2022-07-18 21:49:14,728 [40] [cmk.mknotifyd] exception handling notification result 2 for 82bcd0e5-5d28-4162-9f46-84d008e1d73d: Traceback (most recent call last): File "/omd/sites/stable/lib/python3/cmk/cee/mknotifyd/notification_queue.py", line 129, in _handle_result content = evaluate_file(path.joinpath(filename)) File "/omd/sites/stable/lib/python3/cmk/cee/mknotifyd/utils.py", line 50, in evaluate_file return ast.literal_eval(f.read()) File "/omd/sites/stable/lib/python3.9/ast.py", line 62, in literal_eval node_or_string = parse(node_or_string, mode='eval') File "/omd/sites/stable/lib/python3.9/ast.py", line 50, in parse return compile(source, filename, mode, flags, File "<unknown>", line 0 SyntaxError: unexpected EOF while parsing C-: The <tt>var/log/notify.log</tt> could also show errors in this situation, with messages like this: C+: 2022-07-18 20:40:55,960 [40] [cmk.base.notify] ERROR: Traceback (most recent call last): File "/omd/sites/stable/lib/python3/cmk/base/notify.py", line 1765, in handle_spoolfile raw_context = data["context"] KeyError: 'context' C-: