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[Devel] Reject RRULE with INTERVAL=0 to Prevent Scheduler Hang (#16464)

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* added interval null rrule check and updated tests

* Added secondly to the expected errors
This commit is contained in:
Stevenson Michel
2026-06-02 10:22:36 -04:00
committed by GitHub
parent c4c2779976
commit b14b9e1771
2 changed files with 7 additions and 1 deletions
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6
awx/api/serializers.py
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@@ -5450,7 +5450,11 @@ class SchedulePreviewSerializer(BaseSerializer):
for a_rule in match_multiple_rrule:
if 'interval' not in a_rule.lower():
errors.append("{0}: {1}".format(_('INTERVAL required in rrule'), a_rule))
elif 'secondly' in a_rule.lower():
else:
match_interval = re.match(r".*?INTERVAL=([0-9]+)", a_rule)
if match_interval and int(match_interval.group(1)) < 1:
errors.append("{0}: {1}".format(_("INTERVAL must be a positive integer"), a_rule))
if 'secondly' in a_rule.lower():
errors.append("{0}: {1}".format(_('SECONDLY is not supported'), a_rule))
if re.match(by_day_with_numeric_prefix, a_rule):
errors.append("{0}: {1}".format(_("BYDAY with numeric prefix not supported"), a_rule))

2
awx/main/tests/functional/api/test_schedules.py
View File

@@ -139,6 +139,7 @@ def test_survey_password_default(post, patch, admin_user, project, inventory, su
("DTSTART:20300308T050000Z", "One or more rule required in rrule"),
("DTSTART:20300308T050000Z RRULE:FREQ=MONTHLY;INTERVAL=1; EXDATE:20220401", "EXDATE not allowed in rrule"),
("DTSTART:20300308T050000Z RRULE:FREQ=MONTHLY;INTERVAL=1; RDATE:20220401", "RDATE not allowed in rrule"),
("DTSTART:20300308T050000Z RRULE:FREQ=YEARLY;INTERVAL=0;BYDAY=MO", "INTERVAL must be a positive integer"),
("DTSTART:20300308T050000Z RRULE:FREQ=SECONDLY;INTERVAL=5;COUNT=6", "SECONDLY is not supported"),
# Individual rule test
("DTSTART:20300308T050000Z RRULE:NONSENSE", "INTERVAL required in rrule"),
@@ -202,6 +203,7 @@ def test_multiple_invalid_rrules(post, admin_user, project, inventory):
"rrule": [
"Multiple DTSTART is not supported.",
"INTERVAL required in rrule: RULE:FREQ=SECONDLY",
"SECONDLY is not supported: RULE:FREQ=SECONDLY",
"RRULE may not contain both COUNT and UNTIL: RULE:FREQ=MINUTELY;INTERVAL=10;COUNT=5;UNTIL=20220101",
"rrule parsing failed validation: 'NoneType' object has no attribute 'group'",
]