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Cron Job to trigger AWS Lambda not working as expected

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0

I want to trigger my AWS lambda function on 15th of every month but my function is triggering after every 30 minutes. My function in Serverless.yml is

monthlyTbAlert:
 warmup: true
 handler: handlers/monthly-tbalert/index.monthlyTbAlert
 timeout: 60
 events:
 - schedule: cron(0 0 10 15 1/1 ? *)
 enabled: true

amazon-web-services cron aws-lambda serverless cron-task

share|improve this question

asked Mar 28 at 12:14

Shikher GargShikher Garg

222 bronze badges

add a comment
 | 

0

I want to trigger my AWS lambda function on 15th of every month but my function is triggering after every 30 minutes. My function in Serverless.yml is

monthlyTbAlert:
 warmup: true
 handler: handlers/monthly-tbalert/index.monthlyTbAlert
 timeout: 60
 events:
 - schedule: cron(0 0 10 15 1/1 ? *)
 enabled: true

amazon-web-services cron aws-lambda serverless cron-task

share|improve this question

asked Mar 28 at 12:14

Shikher GargShikher Garg

222 bronze badges

add a comment
 | 

I want to trigger my AWS lambda function on 15th of every month but my function is triggering after every 30 minutes. My function in Serverless.yml is

monthlyTbAlert:
 warmup: true
 handler: handlers/monthly-tbalert/index.monthlyTbAlert
 timeout: 60
 events:
 - schedule: cron(0 0 10 15 1/1 ? *)
 enabled: true

amazon-web-services cron aws-lambda serverless cron-task

share|improve this question

asked Mar 28 at 12:14

Shikher GargShikher Garg

222 bronze badges

monthlyTbAlert:
 warmup: true
 handler: handlers/monthly-tbalert/index.monthlyTbAlert
 timeout: 60
 events:
 - schedule: cron(0 0 10 15 1/1 ? *)
 enabled: true

share|improve this question

asked Mar 28 at 12:14

Shikher GargShikher Garg

222 bronze badges

share|improve this question

asked Mar 28 at 12:14

Shikher GargShikher Garg

222 bronze badges

asked Mar 28 at 12:14

Shikher GargShikher Garg

222 bronze badges

asked Mar 28 at 12:14

Shikher GargShikher Garg

222 bronze badges

2 Answers
2

active

oldest

votes

2

According to aws docs, the format is cron(Minutes Hours Day-of-month Month Day-of-week Year)

So you should use this:

0 - Minute 0 of the hours
10- Hours of the day. So, 10:00
15- 15th day of the month
* - Execute it every month
? - Regardless of the day of the week
*- Every year

So, your cron expression should be 0 10 15 * ? * To execute your cron every 15th day of the month at 10:00AM

share|improve this answer

edited Mar 28 at 13:34

answered Mar 28 at 12:33

StargazerStargazer

74055 silver badges88 bronze badges

add a comment
 | 

1

If you want to debug your cron expressions before deploying them, you can go to CloudWatch -> Rules and test them there. It's a very useful playground if you're unsure about what may be going on.

If we grab the expression provided in @Stargazer's answer (which, by the way, is very accurate) and paste it in CloudWatch Rules, we can see when the next triggers will happen:

By using yours, however, we can see no events are shown. If you say it is running every 30 minutes, then there potentially is a bug in CloudWatch rules that triggers invalid expressions every 30 minutes:

share|improve this answer

answered Mar 28 at 14:52

Thales MinussiThales Minussi

2,88511 gold badge77 silver badges2828 bronze badges

add a comment
 | 

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2

According to aws docs, the format is cron(Minutes Hours Day-of-month Month Day-of-week Year)

So you should use this:

0 - Minute 0 of the hours
10- Hours of the day. So, 10:00
15- 15th day of the month
* - Execute it every month
? - Regardless of the day of the week
*- Every year

So, your cron expression should be 0 10 15 * ? * To execute your cron every 15th day of the month at 10:00AM

share|improve this answer

edited Mar 28 at 13:34

answered Mar 28 at 12:33

StargazerStargazer

74055 silver badges88 bronze badges

add a comment
 | 

2

According to aws docs, the format is cron(Minutes Hours Day-of-month Month Day-of-week Year)

So you should use this:

0 - Minute 0 of the hours
10- Hours of the day. So, 10:00
15- 15th day of the month
* - Execute it every month
? - Regardless of the day of the week
*- Every year

So, your cron expression should be 0 10 15 * ? * To execute your cron every 15th day of the month at 10:00AM

share|improve this answer

edited Mar 28 at 13:34

answered Mar 28 at 12:33

StargazerStargazer

74055 silver badges88 bronze badges

add a comment
 | 

According to aws docs, the format is cron(Minutes Hours Day-of-month Month Day-of-week Year)

So you should use this:

0 - Minute 0 of the hours
10- Hours of the day. So, 10:00
15- 15th day of the month
* - Execute it every month
? - Regardless of the day of the week
*- Every year

So, your cron expression should be 0 10 15 * ? * To execute your cron every 15th day of the month at 10:00AM

share|improve this answer

edited Mar 28 at 13:34

answered Mar 28 at 12:33

StargazerStargazer

74055 silver badges88 bronze badges

share|improve this answer

edited Mar 28 at 13:34

answered Mar 28 at 12:33

StargazerStargazer

74055 silver badges88 bronze badges

answered Mar 28 at 12:33

StargazerStargazer

74055 silver badges88 bronze badges

answered Mar 28 at 12:33

StargazerStargazer

74055 silver badges88 bronze badges

1

If you want to debug your cron expressions before deploying them, you can go to CloudWatch -> Rules and test them there. It's a very useful playground if you're unsure about what may be going on.

If we grab the expression provided in @Stargazer's answer (which, by the way, is very accurate) and paste it in CloudWatch Rules, we can see when the next triggers will happen:

By using yours, however, we can see no events are shown. If you say it is running every 30 minutes, then there potentially is a bug in CloudWatch rules that triggers invalid expressions every 30 minutes:

share|improve this answer

answered Mar 28 at 14:52

Thales MinussiThales Minussi

2,88511 gold badge77 silver badges2828 bronze badges

add a comment
 | 

1

If you want to debug your cron expressions before deploying them, you can go to CloudWatch -> Rules and test them there. It's a very useful playground if you're unsure about what may be going on.

If we grab the expression provided in @Stargazer's answer (which, by the way, is very accurate) and paste it in CloudWatch Rules, we can see when the next triggers will happen:

By using yours, however, we can see no events are shown. If you say it is running every 30 minutes, then there potentially is a bug in CloudWatch rules that triggers invalid expressions every 30 minutes:

share|improve this answer

answered Mar 28 at 14:52

Thales MinussiThales Minussi

2,88511 gold badge77 silver badges2828 bronze badges

add a comment
 | 

If you want to debug your cron expressions before deploying them, you can go to CloudWatch -> Rules and test them there. It's a very useful playground if you're unsure about what may be going on.

If we grab the expression provided in @Stargazer's answer (which, by the way, is very accurate) and paste it in CloudWatch Rules, we can see when the next triggers will happen:

By using yours, however, we can see no events are shown. If you say it is running every 30 minutes, then there potentially is a bug in CloudWatch rules that triggers invalid expressions every 30 minutes:

share|improve this answer

answered Mar 28 at 14:52

Thales MinussiThales Minussi

2,88511 gold badge77 silver badges2828 bronze badges

share|improve this answer

answered Mar 28 at 14:52

Thales MinussiThales Minussi

2,88511 gold badge77 silver badges2828 bronze badges

answered Mar 28 at 14:52

Thales MinussiThales Minussi

2,88511 gold badge77 silver badges2828 bronze badges

answered Mar 28 at 14:52

Thales MinussiThales Minussi

2,88511 gold badge77 silver badges2828 bronze badges