profile-api/infrastructure-stack.yml at master · pearcem0/profile-api · GitHub

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AWSTemplateFormatVersion: '2010-09-09'
Description: Infrastructure stack for an experimental and contrived preview of Golang.
Parameters:
  Stage:
    Description: Development stage
    Type: String
    AllowedValues:
      - dev
      - test
      - beta
      - prod
    ConstraintDescription: Must specify dev, test, beta or prod
  PITRecovery:
    Description: Enable Point In Time Recovery
    Type: String
    AllowedValues:
      - true
      - false
    ConstraintDescription: Must specify true or false
  PPRBilling:
    Description: Enable Pay Per Request Billing
    Type: String
    AllowedValues:
      - true
      - false
    ConstraintDescription: Must specify true or false
  ReadCapacity:
    Description: Generic expected Provisioned Throughput Capacity for Reads (Only required if PPRBilling is false, but can also be used for Cloud Watch Monitoring alarms)
    Type: Number
    Default: 1
  WriteCapacity:
    Description: Generic expected Provisioned Throughput Capacity for Writes (Only required if PPRBilling is false, but can also be used for Cloud Watch Monitoring alarms)
    Type: Number
    Default: 1
  EmailAddress:
    Type: String
    Description: Email address that Cloud Watch alerts will be sent to
  DynamoDBTableMonitoring:
    Type: String
    Default: false
    AllowedValues:
      - true
      - false
    Description: Should Cloud Watch monitoring alarms be set up for DynamoDB Tables
    ConstraintDescription: Must specify true or false
Conditions:
  PITRecoveryEnabled: !Equals [ !Ref PITRecovery, true ]
  PPRBillingEnabled: !Equals [ !Ref PPRBilling, true ]
  DDBAlarmsEnabled: !Equals [ !Ref DynamoDBTableMonitoring, true ]
Resources:
  ContactTable:
    Type: AWS::DynamoDB::Table
    Properties:
      TableName:
        Fn::Join:
          - '-'
          - - profile-api
            - Ref: Stage
            - contact
      BillingMode: !If [ PPRBillingEnabled, 'PAY_PER_REQUEST', 'PROVISIONED' ]
      ProvisionedThroughput:
        ReadCapacityUnits: !If [ PPRBillingEnabled, !Ref 'AWS::NoValue', !Ref ReadCapacity ]
        WriteCapacityUnits: !If [ PPRBillingEnabled, !Ref 'AWS::NoValue', !Ref WriteCapacity ]
      PointInTimeRecoverySpecification:
       PointInTimeRecoveryEnabled: !If [ PITRecoveryEnabled, true, false ]
      AttributeDefinitions:
       - {AttributeName: Channel, AttributeType: S}
      KeySchema:
       - {AttributeName: Channel, KeyType: HASH}
      Tags:

        - {Key: Stage, Value: !Ref Stage}
        - {Key: PIT-Recovery, Value: !Ref PITRecovery}
        - {Key: PPR-Billing, Value: !Ref PPRBilling}
  DynamoDBAlarmsSNSTopic:
    Type: AWS::SNS::Topic
    Properties:
      TopicName: dynamodb-profile-api-alerts
      Subscription:
        - Endpoint: !Ref EmailAddress
          Protocol: email
  ContactTableThrottledAlarm:
    Type: AWS::CloudWatch::Alarm
    Condition: DDBAlarmsEnabled
    DependsOn: ContactTable
    Properties:
      ActionsEnabled: true
      AlarmActions:
        - Ref: DynamoDBAlarmsSNSTopic
      AlarmDescription:
        Fn::Join:
          - ''
          -
            - Is DynamoDB Contacts Table (
            - !Ref Stage
            - ") being throttled"
      AlarmName:
        Fn::Join:
          - ''
          -
            - DynamoDB Contact Table (
            - !Ref Stage
            - ) Throttled
      ComparisonOperator: GreaterThanThreshold
      Dimensions:
        - Name: TableName
          Value:
            Fn::Join:
            - '-'
            - - profile-api
              - Ref: Stage
              - contact
      EvaluationPeriods: 1
      InsufficientDataActions:
        - Ref: DynamoDBAlarmsSNSTopic
      TreatMissingData: notBreaching
      MetricName: ThrottledRequests
      Namespace: AWS/DynamoDB
      OKActions:
        - Ref: DynamoDBAlarmsSNSTopic
      Period: 60
      Statistic: Sum
      Threshold: 0
      Unit: Count
  SummaryTable:
    Type: AWS::DynamoDB::Table
    Properties:
      TableName:
        Fn::Join:
          - '-'
          - - profile-api
            - Ref: Stage
            - summarys
      BillingMode: !If [ PPRBillingEnabled, 'PAY_PER_REQUEST', 'PROVISIONED' ]
      ProvisionedThroughput:
        ReadCapacityUnits: !If [ PPRBillingEnabled, !Ref 'AWS::NoValue', !Ref ReadCapacity ]
        WriteCapacityUnits: !If [ PPRBillingEnabled, !Ref 'AWS::NoValue', !Ref WriteCapacity ]
      PointInTimeRecoverySpecification:
       PointInTimeRecoveryEnabled: !If [ PITRecoveryEnabled, true, false ]
      AttributeDefinitions:
       - {AttributeName: Section, AttributeType: S}
      KeySchema:
       - {AttributeName: Section, KeyType: HASH}
      Tags:

        - {Key: Stage, Value: !Ref Stage}
        - {Key: PIT-Recovery, Value: !Ref PITRecovery}
        - {Key: PPR-Billing, Value: !Ref PPRBilling}
  SummaryTableThrottledAlarm:
    Type: AWS::CloudWatch::Alarm
    Condition: DDBAlarmsEnabled
    DependsOn: SummaryTable
    Properties:
      ActionsEnabled: true
      AlarmActions:
        - Ref: DynamoDBAlarmsSNSTopic
      AlarmDescription:
        Fn::Join:
          - ''
          -
            - Is DynamoDB Summary Table (
            - !Ref Stage
            - ") being throttled"
      AlarmName:
        Fn::Join:
          - ''
          -
            - DynamoDB Summary Table (
            - !Ref Stage
            - ) Throttled
      ComparisonOperator: GreaterThanThreshold
      Dimensions:
        - Name: TableName
          Value:
            Fn::Join:
            - '-'
            - - profile-api
              - Ref: Stage
              - summary
      EvaluationPeriods: 1
      InsufficientDataActions:
        - Ref: DynamoDBAlarmsSNSTopic
      TreatMissingData: notBreaching
      MetricName: ThrottledRequests
      Namespace: AWS/DynamoDB
      OKActions:
        - Ref: DynamoDBAlarmsSNSTopic
      Period: 60
      Statistic: Sum
      Threshold: 0
      Unit: Count