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serverless.yml
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serverless.yml
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service: brokalys-pinger
useDotenv: true
package:
individually: true
patterns:
- '!**/*'
- src/shared/**
- '!src/shared/*.test.js'
- '!**/__fixtures__/**'
- '!**/__mocks__/**'
- '!**/__snapshots__/**'
provider:
name: aws
region: eu-west-1
runtime: nodejs20.x
logRetentionInDays: 7
versionFunctions: false
stage: ${opt:stage, 'dev'}
tags:
group: pinger
iam:
role:
statements:
- Effect: Allow
Action:
- SNS:Publish
Resource: '${self:custom.emailSnsTopicArn}'
- Effect: Allow
Action:
- SES:SendEmail
Resource: '*'
- Effect: Allow
Action:
- S3:PutObject
- S3:GetObject
Resource: !Join
- ''
- - 'arn:aws:s3:::'
- !Ref ChartBucket
- /*
environment:
STAGE: ${self:provider.stage}
EMAIL_SNS_TOPIC_NAME: ${self:custom.emailSnsTopicName}
DB_HOST: ${env:DB_HOST}
DB_DATABASE: ${env:DB_DATABASE}
DB_USERNAME: ${env:DB_USERNAME}
DB_PASSWORD: ${env:DB_PASSWORD}
functions:
email:
name: BrokalysPinger-Email-${self:provider.stage}
description: Send email and log it.
reservedConcurrency: 4
timeout: 3
handler: src/email.run
package:
patterns:
- src/email.js
- src/templates/*
- src/test/email.json
- src/test/email-summary.json
events:
- sns:
arn: ${self:custom.emailSnsTopicArn}
topicName: ${self:custom.emailSnsTopicName}
alarms:
- name: emailErrors
description: 'Pinger: email sending errors'
namespace: 'AWS/Lambda'
metric: Errors
threshold: 1
statistic: Sum
period: 300 # 5 minutes
evaluationPeriods: 10
datapointsToAlarm: 5
comparisonOperator: GreaterThanOrEqualToThreshold
treatMissingData: notBreaching
- name: emailInvocations
description: 'Pinger: email sending invocations'
namespace: 'AWS/Lambda'
metric: Invocations
threshold: 800
statistic: Sum
period: 86400 # 1 day
evaluationPeriods: 1
datapointsToAlarm: 1
comparisonOperator: GreaterThanOrEqualToThreshold
treatMissingData: breaching
limit-locker:
name: BrokalysPinger-LimitLocker-${self:provider.stage}
description: Lock pingers that have reached the monthly lockout threshold.
timeout: 3
handler: src/limit-locker.run
package:
patterns:
- src/limit-locker.js
events:
- schedule:
rate: rate(10 minutes)
alarms:
- name: limitLockerErrors
description: 'Pinger: limit locker errors'
namespace: 'AWS/Lambda'
metric: Errors
threshold: 1
statistic: Sum
period: 300 # 5 minutes
evaluationPeriods: 1
datapointsToAlarm: 1
comparisonOperator: GreaterThanOrEqualToThreshold
treatMissingData: notBreaching
process-sqs:
name: BrokalysPinger-ProcessSqs-${self:provider.stage}
description: Process SQS to trigger pinger email sending.
handler: src/process-sqs.run
package:
patterns:
- src/process-sqs.js
- src/test/process-sqs.json
reservedConcurrency: 5
events:
- sqs:
arn:
Fn::GetAtt:
- PingerQueue
- Arn
batchSize: 10
process-summary-queue:
name: BrokalysPinger-ProcessSummaryQueue-${self:provider.stage}
description: Process pinger summary queue
handler: src/process-summary-queue.run
package:
patterns:
- src/process-summary-queue.js
reservedConcurrency: 1
events:
- schedule:
rate: cron(0 9 * * ? *)
input:
frequency: daily
- schedule:
rate: cron(0 9 ? * 2 *)
input:
frequency: weekly
- schedule:
rate: cron(0 9 1 * ? *)
input:
frequency: monthly
dependsOn:
- ChartBucket
alarms:
- name: processQueueErrors
description: 'Pinger: summary queue processing errors'
namespace: 'AWS/Lambda'
metric: Errors
threshold: 1
statistic: Sum
period: 300 # 5 minutes
evaluationPeriods: 1
datapointsToAlarm: 1
comparisonOperator: GreaterThanOrEqualToThreshold
treatMissingData: notBreaching
custom:
emailSnsTopicName: ${self:service}-${self:provider.stage}-email
emailSnsTopicArn: !Join
- ':'
- - 'arn:aws:sns'
- !Ref AWS::Region
- !Ref AWS::AccountId
- !GetAtt EmailSnsTopic.TopicName
alerts:
stages:
- prod
nameTemplate: $[functionName]-$[metricName]
topics:
ok:
topic: ${self:service}-${self:provider.stage}-ok
notifications:
- protocol: email
endpoint: matiss@brokalys.com
alarm:
topic: ${self:service}-${self:provider.stage}-alarm
notifications:
- protocol: email
endpoint: matiss@brokalys.com
serverless-layers:
packageManager: yarn
dependenciesPath: ./package.json
layersDeploymentBucket: brokalys-lambda-layers
customInstallationCommand: yarn install --production --ignore-scripts
plugins:
- serverless-plugin-aws-alerts
- serverless-layers
resources:
Resources:
EmailSnsTopic:
Type: AWS::SNS::Topic
Properties:
TopicName: ${self:custom.emailSnsTopicName}
PingerQueue:
Type: AWS::SQS::Queue
Properties:
QueueName: ${self:provider.stage}-pinger.fifo
FifoQueue: true
PingerQueuePolicy:
Type: AWS::SQS::QueuePolicy
Properties:
PolicyDocument:
Statement:
- Sid: Allow-SNS-SendMessage
Effect: Allow
Principal:
AWS: '*'
Resource: !GetAtt PingerQueue.Arn
Action:
- SQS:SendMessage
Condition:
ArnEquals:
aws:SourceArn: !ImportValue PropertyCreationTopic-Arn-${self:provider.stage}
Queues:
- !Ref PingerQueue
ChartBucket:
Type: AWS::S3::Bucket
Properties:
BucketName: ${self:provider.stage}-pinger-charts
AccessControl: PublicRead
CorsConfiguration:
CorsRules:
- AllowedHeaders: ['*']
AllowedMethods: [GET]
AllowedOrigins: ['*']
MaxAge: '3600'
ChartBucketPolicy:
Type: AWS::S3::BucketPolicy
Properties:
Bucket: !Ref ChartBucket
PolicyDocument:
Statement:
- Sid: AllowPublicRead
Effect: Allow
Principal:
AWS: '*'
Action: s3:GetObject
Resource: !Join
- ''
- - 'arn:aws:s3:::'
- !Ref ChartBucket
- /*
NewPropertySubscription:
Type: AWS::SNS::Subscription
Properties:
Endpoint: !GetAtt PingerQueue.Arn
Protocol: sqs
TopicArn: !ImportValue PropertyCreationTopic-Arn-${self:provider.stage}
RawMessageDelivery: true