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serverless-scriptable-plugin

1.0.0 • Public • Published

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What's the plugins for?

This plugin add script support to Serverless 1.0 which enables you to customize Serverless behavior without writing a plugin.

It allows you to run nodejs script in any build stage.

Quick Start

  1. Install

     npm install --save-dev serverless-scriptable-plugin
    
  2. Add to Serverless config

     plugins:
       - serverless-scriptable-plugin
    
     custom:
       scriptHooks:
         before:deploy:createDeploymentArtifacts: npm run build
    

Example

  1. Customize package behavior

    The following config is using babel for transcompilation and packaging only the required folders: dist and node_modules without aws-sdk

    plugins:
      - serverless-scriptable-plugin
     
    custom:
      scriptHooks:
        before:deploy:createDeploymentArtifacts: npm run build
     
    package:
      exclude:
        - '**/**'
        - '!dist/**'
        - '!node_modules/**'
        - node_modules/aws-sdk/**
  2. Run any command as a hook script

    It's possible to run any command as the hook script, e.g. use the following command to zip the required folders

    plugins:
      - serverless-scriptable-plugin
     
    custom:
      scriptHooks:
        after:package:createDeploymentArtifacts: zip -q -r .serverless/package.zip src node_modules
     
    service: service-name
    package:
      artifact: .serverless/package.zip
  3. Create CloudWatch Log subscription filter for all Lambda function Log groups, e.g. subscribe to a Kinesis stream

    plugins:
      - serverless-scriptable-plugin
     
    custom:
      scriptHooks:
        after:deploy:compileEvents: build/serverless/add-log-subscriptions.js
     
    provider:
      logSubscriptionDestinationArn: 'arn:aws:logs:ap-southeast-2:{account-id}:destination:'

    and in build/serverless/add-log-subscriptions.js file:

    const resources = serverless.service.provider.compiledCloudFormationTemplate.Resources;
    const logSubscriptionDestinationArn = serverless.service.provider.logSubscriptionDestinationArn;
     
    Object.keys(resources)
      .filter(name => resources[name].Type === 'AWS::Logs::LogGroup')
      .forEach(logGroupName => resources[`${logGroupName}Subscription`] = {
          Type: "AWS::Logs::SubscriptionFilter",
          Properties: {
            DestinationArn: logSubscriptionDestinationArn,
            FilterPattern: ".",
            LogGroupName: { "Ref": logGroupName }
          }
        }
      );
  4. Run multiple commands for the serverless event

    It's possible to run multiple commands for the same serverless event, e.g. Add CloudWatch log subscription and dynamodb auto scaling support

    plugins:
      - serverless-scriptable-plugin
     
    custom:
      scriptHooks:
        after:package:createDeploymentArtifacts: 
          - build/serverless/add-log-subscriptions.js
          - build/serverless/add-dynamodb-auto-scaling.js
     
    service: service-name
    package:
      artifact: .serverless/package.zip

Change Log

  • Version 0.7.1
    • [Feature] Fix vulnerability warning by remove unnecessary dev dependencies
  • Version 0.7.0
    • [Feature] Return promise object to let serverless to wait until script is finished
  • Version 0.6.0
    • [Feature] Supported execute multiple script/command for the same serverless event
  • Version 0.5.0
    • [Feature] Supported serverless variables in script/command
    • [Improvement] Integrated with codeclimate for code analysis and test coverage
  • Version 0.4.0
    • [Feature] Supported colored output in script/command
    • [Improvement] Integrated with travis for CI
  • Version 0.3.0
    • [Feature] Supported to execute any command for serverless event
  • Version 0.2.0
    • [Feature] Supported to execute javascript file for serverless event

install

npm i serverless-scriptable-plugin

Downloadsweekly downloads

1,411

version

1.0.0

license

ISC

homepage

github.com

repository

Gitgithub

last publish

collaborators

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