[SOLVED] Boto3 cron: Parameter ScheduleExpression is not valid

Issue

I am trying to schedule event just after 15 minute of execution as:

client = boto3.client('events')
d = datetime.now() + timedelta(minutes=40)
cronJob = "cron(" + str(d.hour) + " " + str(d.minute) + " * * ? *)"
client.put_rule(Name='extractData', ScheduleExpression=cronJob, State='ENABLED', Description='This is rule extracting flurry data')
try:
    client.put_targets( Rule='extractData', Targets=[ { 'Id': '1', 'Arn': 'arn:aws:lambda:ap-southeast-1:381409677897:function:flurry_extractReportOnDemand' }])
except:
    print("\n###################\n")
    print ("Could not schedule")
    print("\n###################\n") 

This is giving me error as

Parameter ScheduleExpression is not valid.

Any idea why ?

Solution

http://docs.aws.amazon.com/AmazonCloudWatch/latest/events/ScheduledEvents.html#CronExpressions

The first value should be minutes and second value should be hours.

So your code should be:

cronJob = "cron(" + str(d.minute) + " " + str(d.hour) + " * * ? *)"

instead of "cron(" + str(d.hour) + " " + str(d.minute) + " * * ? *)"

Answered By - anupsabraham

Answer Checked By - Gilberto Lyons (WPSolving Admin)