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November 2, 2018 16:29
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Example CloudFormation template to setup a scheduled Lambda function using the Serverless transform
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| Transform: AWS::Serverless-2016-10-31 | |
| Parameters: | |
| Env: | |
| Type: String | |
| Default: test | |
| DomainName: | |
| Type: String | |
| Default: www.example.com | |
| Resources: | |
| 5MinMonitorLambda: | |
| Type: AWS::Serverless::Function | |
| Properties: | |
| Handler: main.lambda_handler | |
| Runtime: python3.6 | |
| CodeUri: ./lambdas/_build/5-min-monitor | |
| Environment: | |
| Variables: | |
| API_HOSTNAME: !Ref DomainName | |
| FunctionName: !Sub ['${Env}-5-min-monitor', {Env: !Ref Env}] | |
| Events: | |
| Timer: | |
| Type: Schedule | |
| Properties: | |
| Schedule: rate(5 minutes) | |
| # After transformation, the above will expand to the following: | |
| # - 5MinMonitorLambdaRole assumable by lambda.amazonaws.com w/ the basic | |
| # AWSLambdaBasicExecutionRole policy attached for CloudWatch | |
| # - 5MinMonitorLambda function | |
| # - 5MinMonitorLambdaTimer rule setup to call function ever 5 minutes | |
| # - 5MinMonitorLambdaTimerPermission policy allowing events.amazonaws.com | |
| # to call 5MinMonitorLambda when the source is 5MinMonitorLambdaTimer | |
| Lambda5MinMonitorLogGroup: | |
| Type: AWS::Logs::LogGroup | |
| Properties: | |
| LogGroupName: !Sub ['/aws/lambda/${Func}', {Func: !Ref 5MinMonitorLambda}] | |
| RetentionInDays: 90 |
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