AWSTemplateFormatVersion: '2010-09-09' Parameters: KeyIdParameter: Type: String slackChannelParameter: Type: String kmsEncryptedHookUrlParameter: Type: String Description: An Amazon SNS trigger that sends CloudWatch alarm notifications to Slack. Resources: SNSTopic1: Type: AWS::SNS::Topic cloudwatchalarmtoslack: Type: AWS::Serverless::Function Properties: Description: An Amazon SNS trigger that sends CloudWatch alarm notifications to Slack. Policies: - Statement: - Action: kms:Decrypt Resource: Fn::Sub: - arn:${AWS::Partition}:kms:${AWS::Region}:${AWS::AccountId}:key/${keyId} - keyId: Ref: KeyIdParameter Effect: Allow MemorySize: 128 Environment: Variables: kmsEncryptedHookUrl: kmsEncryptedHookUrlParameter slackChannel: slackChannelParameter Handler: index.handler Timeout: 3 CodeUri: Bucket: <%REPO_BUCKET%> Key: 5005d2f4-1627-41fd-9cef-bb27b804f7f7 Runtime: nodejs10.x Events: SNS1: Type: SNS Properties: Topic: Ref: SNSTopic1 Transform: AWS::Serverless-2016-10-31