AWSTemplateFormatVersion: "2010-09-09"
Description: Cloudformation template to setup a CloudWatch EventBrigde Rule to schedule SAP ASE Backups
Parameters:
  SNSTopicArn:
    Type: String
    Description: "SNS Topic to publish SAP ASE Backup messages"
  SSMDocumentName:
    Type: String
    Description: Specify the SSM Document ARN created for SAP ASE Backup
  SidPar:
    Type: String
    Description: Specify the SID for the SAP ASE where backup needs to be scheduled
  BackupTypePar:
    Type: String
    Description: Specify the Backup type for the backup will be scheduled
    AllowedValues:
      - FULL
      - CUM
      - LOG
  RoleArnPar:
    Type: String
    Description: Specify the role for the RunCommand execution
  InstanceIdPar:
    Type: String
    Description: Specify the Instance Hostname Tag value of the ASE EC2
  S3bucketPar:
    Type: String
    Description: Specify the S3 Bucket of the ASE backup
  BackupdirPar:
    Type: String
    Description: Specify the Data Backup Directory
  BackupLogdirPar:
    Type: String
    Description: Specify the Log Backup Directory
  SchedulingTime:
    Type: String
    Description: Provide the schedule time frame to run the automation. Double chek https://docs.aws.amazon.com/eventbridge/latest/userguide/eb-create-rule-schedule.html for cron expressions. Ex. cron(0 12 * * ? *) or rate(10 minutes)
Resources:
  CloudWatchEventsRule:
    Type: AWS::Events::Rule
    Properties:
      Name: !Join ["_", [SAPASEBACKUP, !Ref SidPar, !Ref BackupTypePar]]
      Description: CloudWatch rule to periodically take backups
      ScheduleExpression: !Ref SchedulingTime
      State: "DISABLED"
      Targets:
        - Arn: !Sub arn:${AWS::Partition}:ssm:${AWS::Region}:${AWS::AccountId}:document/${SSMDocumentName}
          Id: !Join ["-", ["SAP_ASE_BACKUP_", !Ref SidPar, !Ref BackupTypePar]]
          Input: !Sub '{"backupdir":["${BackupdirPar}"],"snstopicarn":["${SNSTopicArn}"],"s3bucket":["${S3bucketPar}"],"backuptype":["${BackupTypePar}"],"backuplogdir":["${BackupLogdirPar}"],"sid":["${SidPar}"]}'
          RoleArn: !Ref RoleArnPar
          RunCommandParameters:
            RunCommandTargets:
              - Key: "InstanceIds"
                Values:
                  - !Ref InstanceIdPar
Outputs:
  CloudWatchEventsRule:
    Description: "Scheduled EventRule Name"
    Value: !Ref CloudWatchEventsRule