AWSTemplateFormatVersion: '2010-09-09'
Description: 'railsconf2019

  Sample SAM Template for railsconf2019

  '
Globals:
  Function:
    Timeout: 3
Outputs:
  ApiEndpoint:
    Description: API Gateway endpoint URL for Prod stage
    Value:
      Fn::Sub: https://${ServerlessRestApi}.execute-api.${AWS::Region}.amazonaws.com/Prod/
Resources:
  DeleteAllEventHandler:
    Properties:
      CodeUri: s3://alexwood-pdx/b3465b2b2b91339f252bed0da8afe9a9
      Environment:
        Variables:
          TABLE_NAME:
            Ref: PostsTable
      Events:
        QueueEvent:
          Properties:
            Queue:
              Fn::GetAtt:
              - DeletePostQueue
              - Arn
          Type: SQS
      Handler: event_handlers.EventHandlers.delete_all_posts
      Policies:
      - DynamoDBCrudPolicy:
          TableName:
            Ref: PostsTable
      Runtime: ruby2.5
    Type: AWS::Serverless::Function
  DeleteAllHandler:
    Properties:
      CodeUri: s3://alexwood-pdx/f5a224e5f8583387e404c42793802b53
      Environment:
        Variables:
          SQS_QUEUE_URL:
            Ref: DeletePostQueue
      Events:
        DeleteAllApi:
          Properties:
            Method: DELETE
            Path: /posts
          Type: Api
      Handler: web_api.WebApi.delete_all
      Policies:
        SQSSendMessagePolicy:
          QueueName:
            Fn::GetAtt:
            - DeletePostQueue
            - QueueName
      Runtime: ruby2.5
    Type: AWS::Serverless::Function
  DeletePostDLQAlarm:
    Properties:
      ComparisonOperator: GreaterThanOrEqualToThreshold
      Dimensions:
      - Name: QueueName
        Value:
          Fn::GetAtt:
          - DeletePostDeadLetterQueue
          - QueueName
      EvaluationPeriods: 5
      MetricName: ApproximateNumberOfMessagesVisible
      Namespace: AWS/SQS
      Period: 60
      Statistic: Sum
      Threshold: 1
      TreatMissingData: breaching
    Type: AWS::CloudWatch::Alarm
  DeletePostDeadLetterQueue:
    Type: AWS::SQS::Queue
  DeletePostQueue:
    Properties:
      RedrivePolicy:
        deadLetterTargetArn:
          Fn::GetAtt:
          - DeletePostDeadLetterQueue
          - Arn
        maxReceiveCount: 5
    Type: AWS::SQS::Queue
  PostsTable:
    Properties:
      PrimaryKey:
        Name: post_uuid
        Type: String
    Type: AWS::Serverless::SimpleTable
  WebApiCreate:
    Properties:
      CodeUri: s3://alexwood-pdx/13ec3076d2ba8674c57f50ca3156d2f3
      Environment:
        Variables:
          TABLE_NAME:
            Ref: PostsTable
      Events:
        ApiCreate:
          Properties:
            Method: POST
            Path: /posts
          Type: Api
      Handler: web_api.WebApi.create
      Policies:
      - DynamoDBCrudPolicy:
          TableName:
            Ref: PostsTable
      Runtime: ruby2.5
    Type: AWS::Serverless::Function
  WebApiGet:
    Properties:
      CodeUri: s3://alexwood-pdx/3a093bb0b1b21b14072840fb70a2d95c
      Environment:
        Variables:
          TABLE_NAME:
            Ref: PostsTable
      Events:
        ApiGet:
          Properties:
            Method: GET
            Path: /posts/{uuid}
          Type: Api
      Handler: web_api.WebApi.get
      Policies:
      - DynamoDBReadPolicy:
          TableName:
            Ref: PostsTable
      Runtime: ruby2.5
    Type: AWS::Serverless::Function
  WebApiIndex:
    Properties:
      CodeUri: s3://alexwood-pdx/1d91fc71249f5c230610be61f27be9e6
      Environment:
        Variables:
          TABLE_NAME:
            Ref: PostsTable
      Events:
        ApiIndex:
          Properties:
            Method: GET
            Path: /posts
          Type: Api
      Handler: web_api.WebApi.index
      Policies:
      - DynamoDBReadPolicy:
          TableName:
            Ref: PostsTable
      Runtime: ruby2.5
    Type: AWS::Serverless::Function
  WebApiIndexErrorAlarm:
    Properties:
      ComparisonOperator: GreaterThanOrEqualToThreshold
      Dimensions:
      - Name: FunctionName
        Value:
          Ref: WebApiIndex
      EvaluationPeriods: 3
      MetricName: Errors
      Namespace: AWS/Lambda
      Period: 60
      Statistic: Sum
      Threshold: 1
      TreatMissingData: missing
    Type: AWS::CloudWatch::Alarm
  WebApiIndexLatencyP50Alarm:
    Properties:
      ComparisonOperator: GreaterThanOrEqualToThreshold
      Dimensions:
      - Name: FunctionName
        Value:
          Ref: WebApiIndex
      EvaluationPeriods: 3
      ExtendedStatistic: p50
      MetricName: Duration
      Namespace: AWS/Lambda
      Period: 60
      Threshold: 250
      TreatMissingData: missing
      Unit: Milliseconds
    Type: AWS::CloudWatch::Alarm
  WebApiIndexLatencyP99Alarm:
    Properties:
      ComparisonOperator: GreaterThanOrEqualToThreshold
      Dimensions:
      - Name: FunctionName
        Value:
          Ref: WebApiIndex
      EvaluationPeriods: 3
      ExtendedStatistic: p99
      MetricName: Duration
      Namespace: AWS/Lambda
      Period: 60
      Threshold: 1000
      TreatMissingData: missing
      Unit: Milliseconds
    Type: AWS::CloudWatch::Alarm
Transform: AWS::Serverless-2016-10-31