codepipeline-lambda-updater

Replace a lambda function's code with the output of a CodePipeline build stage

Setup

• Log into your AWS account's web console, and click "Create a Lambda function"

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• Configure the function:

  • Name: codePipelineToLambda
  • Runtime: Node.js 4.3
  • Lambda function code: Select "Edit code inline", and paste the contents of index.js into the editor.
  • Handler: index.handler
  • Role: Create a custom role

[ Image 02 ]

• Configure the role:
  • RoleName: codePipelineToLambdaRole
  • Click through Next to finish creating the Lambda function

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{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "codepipeline:PutJobSuccessResult",
        "codepipeline:PutJobFailureResult"
      ],
      "Resource": "*"
    },
    {
      "Effect": "Allow",
      "Action": [
        "lambda:UpdateFunctionCode"
      ],
      "Resource": [
        "*"
      ]
    },
    {
      "Effect": "Allow",
      "Action": [
        "logs:*"
      ],
      "Resource": "arn:aws:logs:*:*:*"
    },
    {
      "Effect": "Allow",
      "Action": [
        "s3:Get*",
        "s3:List*"
      ],
      "Resource": "*"
    }
  ]
}

• Add the Lambda function to your pipeline

  • Navigate in the AWS console to your code pipeline, and click "Edit"
  • Click + Stage and + Action
  • Configure the stage:
    • Action category: Invoke
    • Action Name: DeployToLambda
    • Provider: AWS Lambda
    • Function name: codePipelineToLambda
    • User parameters: three space-separated strings: MyAppBuild dist/function.zip destLambdaFunctionName
      • Input Artifact Name: Name of the CodePipeline input artifact
      • Lambda code location: Subpath within the build artifact for the lambda code file or bundle
      • Destination Lambda function name: Name of the Lambda function whose code will be replaced
    • Input Artifact: MyAppBuild

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