template.yaml

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: >
  smarter-sensibo
  
  SAM Template to run sensibo 

Globals:
  Function:
    Timeout: 5

Resources:
  SensiboLogGroup:
    Type: AWS::Logs::LogGroup
    DependsOn: [SmarterSensiboFunction]
    Properties:
      LogGroupName: !Sub /aws/lambda/${SmarterSensiboFunction}
      RetentionInDays: 7
  DeadManFilter:
    Type: AWS::Logs::MetricFilter
    DependsOn: [SensiboLogGroup]
    Properties:
      FilterPattern: "SENSIBO_SETTING_SUCCESS"
      LogGroupName: !Sub /aws/lambda/${SmarterSensiboFunction}
      MetricTransformations:
        -
          MetricValue: "1"
          MetricNamespace: "custom/SmarterSensibo"
          MetricName: "SuccessCount"
  DeadManAlarm:
    Type: AWS::CloudWatch::Alarm
    Properties:
      AlarmDescription: "Sensibo Setting Failure"
      AlarmActions:
      - !Ref Topic
      MetricName: "SuccessCount"
      Namespace: "custom/SmarterSensibo"
      Threshold: 0
      ComparisonOperator: LessThanThreshold
      DatapointsToAlarm: 1
      TreatMissingData: breaching
      Period: 3600
      EvaluationPeriods: 1
      Statistic: Sum
  Topic:
    Type: AWS::SNS::Topic
    Properties: {}
  TopicPolicy:
    Type: AWS::SNS::TopicPolicy
    Properties:
      PolicyDocument:
        Id: Id1
        Version: '2012-10-17'
        Statement:
        - Sid: Sid1
          Effect: Allow
          Principal:
            AWS: '*' #allow cloudwatch alarms
          Action: 'sns:Publish'
          Resource: !Ref Topic
          Condition:
            StringEquals:
              'AWS:SourceOwner': !Ref 'AWS::AccountId'
      Topics:
      - !Ref Topic
  EmailSubscription:
    Type: 'AWS::SNS::Subscription'
    Properties:
      Protocol: email
      Endpoint: 'jbarratt@serialized.net'
      TopicArn: !Ref Topic
  SmarterSensiboFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: code/
      Handler: handler
      Runtime: go1.x
      Environment:
        Variables:
          SENSIBO_API_KEY: "ssm:/keys/sensibo"
      Policies:
      - SSMParameterReadPolicy:
          ParameterName: "keys/sensibo"
      Events:
        Time:
          Type: Schedule
          Properties:
            Schedule: rate(10 minutes)