daily-wiki-pic/template.yaml at main · hleb-kastseika/daily-wiki-pic · GitHub

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AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31

Parameters:
  MastodonUrl:
    Description: URL of the target Mastodon instance
    Type: String
  MastodonToken:
    Description: Mastodon API security token
    Type: String
  OpenaiApiKey:
    Description: OpenAI API key
    Type: String
  AlarmEmail:
    Description: Email address to receive error alarm notifications
    Type: String

Resources:
  DailyWikiPicFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: lambda/
      Handler: app.lambda_handler
      Runtime: python3.13
      MemorySize: 128
      Timeout: 900
      Environment:
        Variables:
          MASTODON_URL: !Ref MastodonUrl
          MASTODON_TOKEN: !Ref MastodonToken
          OPENAI_API_KEY: !Ref OpenaiApiKey
          POWERTOOLS_SERVICE_NAME: DailyWikiPicLambda
          POWERTOOLS_LOG_LEVEL: INFO
      Events:
        ScheduleEvent:
          Type: Schedule
          Properties:
            Schedule: cron(0 17 * * ? *)
  DailyWikiPicFunctionLogGroup:
    Type: AWS::Logs::LogGroup
    Properties:
      LogGroupName: !Sub "/aws/lambda/${DailyWikiPicFunction}"
      RetentionInDays: 14

  AlarmTopic:
    Type: AWS::SNS::Topic
    Properties:
      Subscription:
        - Protocol: email
          Endpoint: !Ref AlarmEmail

  ErrorMetricFilter:
    Type: AWS::Logs::MetricFilter
    Properties:
      LogGroupName: !Ref DailyWikiPicFunctionLogGroup
      FilterPattern: "?ERROR ?Error ?error"
      MetricTransformations:
        - MetricName: DailyWikiPicErrors
          MetricNamespace: DailyWikiPic
          MetricValue: "1"
          DefaultValue: 0

  ErrorAlarm:
    Type: AWS::CloudWatch::Alarm
    Properties:
      AlarmDescription: DailyWikiPic Lambda function logged an error
      MetricName: DailyWikiPicErrors
      Namespace: DailyWikiPic
      Statistic: Sum
      Period: 60
      EvaluationPeriods: 1
      Threshold: 0
      ComparisonOperator: GreaterThanThreshold
      TreatMissingData: notBreaching
      AlarmActions:
        - !Ref AlarmTopic