Alphapress Serverless config for https://github.com/lantrix/AWS-Automated-Daily-Instance-AMI-Snapshots

serverless.yml

# Name of our service
service: daily-instance-snapshot

# The required version of serverless we have to be using for this to work
frameworkVersion: ">=1.26.0 <2.0.0"

##############################
# Our service provider and runtime/region definitions
##############################
provider:
  name: aws                       # Which provider to use
  description: "AWS Automated Instance AMI Snapshots and Volumes"
  stage: ${opt:stage, 'prod'}      # Which stage to deploy to
  runtime: python3.6              # Which Lambda runtime to use
  logRetentionInDays: 30          # How many days we want to maintain logs in CloudWatch
  region: 'ap-east-1'             # Which AWS region to deploy in, eu-west-1 by default, but overridable
  memorySize: 128                 # In megabytes, 128 minimum in 64MB increments
  timeout: 300                    # In seconds
  versionFunctions:  true         # We want to version our functions so we can revert if we need to
  cfLogs: true                    # This allows us to customize our expiration time of our CloudWatch Log Buckets
  environment:
    DEFAULT_RETENTION_TIME: "7"                  # This is the number of days by default to store AMIs for
    LIMIT_TO_REGIONS: "ap-east-1"                         # Use this to limit what region(s) you'd like this lambda to scan.  Comma-delimited, by default scan all regions.  Put in eg: "eu-west-1" here
    DRY_RUN: "false"                             # If this env variable is set to true it will only print what it would do, not actually do it
    KEY_TO_TAG_ON: "AWSAutomatedDailySnapshots"  # This is the key we will scan for to detect if this script is managing a snapshot, by default this is "AWSAutomatedDailySnapshots".  Warning: the first version of this plugin had this value at: FarleysBackupInstanceRotater but it has since changed.  Please go manually delete any AMIs with the old name
  iamRoleStatements:
  # We must be able to do what this script needs to do... 
  - Effect: Allow
    Action:
      - ec2:CreateImage
      - ec2:CreateSnapshot
      - ec2:CreateTags
      - ec2:DeleteSnapshot
      - ec2:DeregisterImage
      - ec2:DescribeImages
      - ec2:DescribeInstances
      - ec2:DescribeSnapshots
      - ec2:DescribeVolumes
    Resource: "*"


##############################
# Our function definition
##############################
functions:
  execute_handler:
    description: This does a snapshot of all our instances we want to be manually backed up to AMIs and attempts to delete expired volumes
    handler: handler.lambda_handler
    events:
      - schedule:
          description: Once a day for AMI backups
          rate: rate(5 minutes)
          enabled: true

##############################
package:
  exclude:
    - ".DS_Store"
    - ".git"
    - ".gitignore"
    - ".serverless"
    - "requirements.txt"
    - "**.md"
    - "*.png"