aws-autoscaling: Schedule.cron fails with "Cannot supply both 'day' and 'weekDay', use at most one"

[lmiguelmh]

Describe the bug

Using the Schedule.cron fails on aws-cdk-lib==2.97.0 at synth time.

Cannot supply both 'day' and 'weekDay', use at most one

This is how I was calling it before:

autoscaling.Schedule.cron(
      week_day="MON-SUN",
      hour="1",  # 01:00 UTC+0 ~ 20:00 int PET (-05:00)
      minute="0",
  )

The problem may be here:

aws-cdk/packages/aws-cdk-lib/aws-autoscaling/lib/schedule.ts

Lines 22 to 29 in 42494f1

	const cron = super.protectedCron({
	weekDay: '*', // to override core.Schedule's default
	day: '*', // to override core.Schedule's default
	...options,
	});
	const cronSplit = cron.expressionString.slice(5).split(' '); // remove "cron(" from start
	cronSplit.pop(); // remove year, since autoscaling does not accept it
	const autoscalingCron = cronSplit.join(' ');

Expected Behavior

This was working before:

autoscaling.Schedule.cron(
      week_day="MON-SUN",
      hour="1",  # 01:00 UTC+0 ~ 20:00 int PET (-05:00)
      minute="0",
  )

Current Behavior

Error at synth time:

RuntimeError: Error: Cannot supply both 'day' and 'weekDay', use at most one

Reproduction Steps

Install latest aws-cdk-lib

Possible Solution

Workaround:

aws-cdk-lib==2.96.0

Additional Information/Context

No response

CDK CLI Version

2.97.0 (build d7cf3be)

Framework Version

No response

Node.js Version

v20.5.1

OS

Linux

Language

Python

Language Version

Python 3.11.5

Other information

No response

[khushail]

Hi @lmiguelmh , yes I am able to repro the issue. There is some default value being passed into day which is causing this error. Thanks for reporting this.

[blankynap]

Had this issue today with ASG as well as ECS scheduled scaling. Jumped back to 2.96.0 where everything worked.

[github-actions]

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