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serverless.yml
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serverless.yml
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service:
name: db-backup-scheduler
plugins:
- serverless-webpack
custom:
#region can be sent as CLI param
region: ${opt:region, "us-west-2"}
snsTopicName: ${self:service.name}-error
subscriptionEmail: ${opt:email, "none"}
dbManager: ${opt:db-manager, "mongodb"}
provider:
name: aws
runtime: nodejs10.x
region: ${self:custom.region}
iamRoleStatements:
- Effect: Allow
Action:
- "s3:PutObject"
Resource:
- "arn:aws:s3:::${opt:bucket}/*"
- Effect: Allow
Action:
- "sns:Publish"
Resource: !Ref SNSErrorTopic
#aws local profile can be sent as CLI param
profile: ${opt:profile, "default"}
environment:
AWS_S3_DUMP_BUCKET: ${opt:bucket}
DB_URL: ${opt:db-url, ""}
DB_USER: ${opt:db-user, ""}
DB_PASS: ${opt:db-pass, ""}
DB_NAME: ${opt:db-name, ""}
DB_HOST: ${opt:db-host, ""}
DB_PORT: ${opt:db-port, ""}
REGION: ${self:custom.region}
SERVICE_NAME: ${self:service.name}
SNS_ERROR_ARN: !Ref SNSErrorTopic
SUBSCRIPTION_EMAIL: ${self:custom.subscriptionEmail}
functions:
backup:
handler: src/${self:custom.dbManager}.backup
timeout: 30
memorySize: 512
onError: !Ref SNSErrorTopic
events:
- schedule:
name: ${self:service.name}-Scheduler
# you can change the rate here
rate: cron(0 12 * * ? *)
resources:
Conditions:
Subscribe: !Not [!Equals ["${self:custom.subscriptionEmail}", "none"]]
Resources:
DumpBucket:
Type: AWS::S3::Bucket
Properties:
BucketName: ${opt:bucket}
LifecycleConfiguration:
Rules:
- Id: GlacierRule
Status: Enabled
# you can change expiration days here
ExpirationInDays: '180'
Transitions:
# transition to glacier can be changed here
- TransitionInDays: '7'
StorageClass: Glacier
SNSErrorTopic:
Type: AWS::SNS::Topic
Properties:
DisplayName: ${self:custom.snsTopicName}
TopicName: ${self:custom.snsTopicName}
ErrorSubscription:
Condition: Subscribe
Type: AWS::SNS::Subscription
Properties:
Endpoint: ${self:custom.subscriptionEmail}
Protocol: email
TopicArn: !Ref SNSErrorTopic