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https://github.com/appleboy/lambda-action

GitHub Action for Deploying Lambda code to an existing function
https://github.com/appleboy/lambda-action

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GitHub Action for Deploying Lambda code to an existing function

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# 🚀 lambda-action



[GitHub Action](https://developer.github.com/actions/) for deploying Lambda code to an existing function



![logo](./images/infra.svg)



## Usage



Upload zip file to AWS Lambda function.



```yaml

name: deploy to lambda

on: [push]

jobs:



  deploy_zip:

    name: deploy lambda function

    runs-on: ubuntu-latest

    strategy:

      matrix:

        go-version: [1.21]

    steps:

      - name: checkout source code

        uses: actions/checkout@v3

      - name: Install Go

        uses: actions/setup-go@v1

        with:

          go-version: ${{ matrix.go-version }}

      - name: Build binary

        run: |

          cd example && CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -v -a -o main main.go && zip deployment.zip main

      - name: default deploy

        uses: appleboy/[email protected]

        with:

          aws_access_key_id: ${{ secrets.AWS_ACCESS_KEY_ID }}

          aws_secret_access_key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}

          aws_region: ${{ secrets.AWS_REGION }}

          function_name: gorush

          zip_file: example/deployment.zip

          memory_size: 128

          timeout: 10

          handler: foobar

          role: arn:aws:iam::xxxxxxxxxxx:role/test1234

          runtime: nodejs12.x

```



Deploy lambda function with source file



```yaml

name: deploy to lambda

on: [push]

jobs:



  deploy_source:

    name: deploy lambda from source

    runs-on: ubuntu-latest

    steps:

      - name: checkout source code

        uses: actions/checkout@v3

      - name: default deploy

        uses: appleboy/[email protected]

        with:

          aws_access_key_id: ${{ secrets.AWS_ACCESS_KEY_ID }}

          aws_secret_access_key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}

          aws_region: ${{ secrets.AWS_REGION }}

          function_name: gorush

          source: example/index.js

```



Set dry run mode to validate the request parameters and access permissions without modifying the function code.



```yaml

name: deploy to lambda

on: [push]

jobs:



  deploy:

    name: deploy lambda function

    runs-on: ubuntu-latest

    steps:

    - uses: actions/checkout@v3

    - name: AWS Lambda Deploy

      uses: appleboy/[email protected]

      with:

        aws_access_key_id: ${{ secrets.AWS_ACCESS_KEY_ID }}

        aws_secret_access_key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}

        aws_region: ${{ secrets.AWS_REGION }}

        function_name: gorush

        zip_file: output.zip

        dry_run: true

```



Deploy from a specific branch, `master` or `release`.



```yaml

name: deploy to lambda

on: [push]

jobs:



  deploy:

    name: deploy lambda function

    runs-on: ubuntu-latest

    steps:

    - uses: actions/checkout@v3

    - name: AWS Lambda Deploy

      if: github.ref == 'refs/heads/master'

      uses: appleboy/[email protected]

      with:

        aws_access_key_id: ${{ secrets.AWS_ACCESS_KEY_ID }}

        aws_secret_access_key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}

        aws_region: ${{ secrets.AWS_REGION }}

        function_name: gorush

        zip_file: output.zip

        dry_run: true

```



Add multiple environment:



```diff

name: deploy to lambda

on: [push]

jobs:



  deploy:

    name: deploy lambda function

    runs-on: ubuntu-latest

    steps:

    - uses: actions/checkout@v3

    - name: AWS Lambda Deploy

      if: github.ref == 'refs/heads/master'

      uses: appleboy/[email protected]

      with:

        aws_access_key_id: ${{ secrets.AWS_ACCESS_KEY_ID }}

        aws_secret_access_key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}

        aws_region: ${{ secrets.AWS_REGION }}

        function_name: gorush

        zip_file: output.zip

        dry_run: true

+       environment: foo=bar,author=appleboy

```



## Input variables



See [action.yml](./action.yml) for more detailed information.



* aws_region - aws region

* aws_access_key_id - aws access key id

* aws_secret_access_key - aws secret key

* zip_file - file path of zip file

* source - file list you want to zip

* s3_bucket - An Amazon S3 bucket in the same AWS Region as your function. The bucket can be in a different AWS account.

* s3_key - The Amazon S3 key of the deployment package.

* dry_run - Set to true to validate the request parameters and access permissions without modifying the function code.

* debug - Show debug message after upload the lambda successfully (default as `false`).

* publish - Set to true to publish a new version of the function after updating the code. (default as `true`).

* reversion_id - Only update the function if the revision ID matches the ID that is specified.

* memory_size - The amount of memory that your function has access to. Increasing the function's memory also increases its CPU allocation. The default value is 128 MB. The value must be a multiple of 64 MB.

* timeout - The amount of time that Lambda allows a function to run before stopping it. The default is 3 seconds. The maximum allowed value is 900 seconds.

* handler - The name of the method within your code that Lambda calls to execute your function.

* role - The function's execution role. Pattern: `arn:(aws[a-zA-Z-]*)?:iam::\d{12}:role/?[a-zA-Z_0-9+=,.@\-_/]+`

* runtime - The identifier of the function's runtime. `nodejs | nodejs4.3 | nodejs6.10 | nodejs8.10 | nodejs10.x | nodejs12.x | nodejs14.x | nodejs16.x | java8 | java8.al2 | java11 | python2.7 | python3.6 | python3.7 | python3.8 | python3.9 | dotnetcore1.0 | dotnetcore2.0 | dotnetcore2.1 | dotnetcore3.1 | dotnet6 | nodejs4.3-edge | go1.x | ruby2.5 | ruby2.7 | provided | provided.al2 | nodejs18.x`

* environment - Lambda Environment variables. example: `foo=bar,author=appleboy`

* image_uri - URI of a container image in the Amazon ECR registry.

* subnets - Select the VPC subnets for Lambda to use to set up your VPC configuration.

* securitygroups - Choose the VPC security groups for Lambda to use to set up your VPC configuration.

* description - A description of the function.

* layers - A list of function layers, to add to the function's execution environment. Specify each layer by its ARN, including the version.

* tracing_mode - Set Mode to `Active` to sample and trace a subset of incoming requests with X-Ray.

* max_attempts - The maximum number of times the waiter should attempt to check the resource for the target state.

* architectures - The instruction set architecture that the function supports. `arm64 | x86_64`

* ipv6_dual_stack - Enables or disables dual-stack IPv6 support in the VPC configuration



See the [UpdateFunctionConfiguration](https://docs.amazonaws.cn/en_us/lambda/latest/dg/API_UpdateFunctionConfiguration.html) for detail information.



## AWS Policy



Add the following AWS policy if you want to integrate with GitHub Actions. Please change `REGION`, `ACCOUNT` and `LAMBDA_NAME` variable to your specfic data.



```json

{

  "Version": "2012-10-17",

  "Statement": [

    {

      "Effect": "Allow",

      "Action": [

        "s3:PutObject",

        "iam:ListRoles",

        "lambda:UpdateFunctionCode",

        "lambda:CreateFunction",

        "lambda:GetFunction",

        "lambda:UpdateFunctionConfiguration",

        "lambda:GetFunctionConfiguration"

      ],

      "Resource": "arn:aws:lambda:${REGION}:${ACCOUNT}:function:${LAMBDA_NAME}"

    }

  ]

}

```



Our function needs permission to upload trace data to [X-Ray](https://docs.aws.amazon.com/lambda/latest/dg/services-xray.html). When you activate tracing in the Lambda console, Lambda adds the required permissions to your function's execution role. Otherwise, add the [AWSXRayDaemonWriteAccess](https://console.aws.amazon.com/iam/home#/policies/arn:aws:iam::aws:policy/AWSXRayDaemonWriteAccess) policy to the execution role.



```json

{

  "Version": "2012-10-17",

  "Statement": [

    {

      "Effect": "Allow",

      "Action": [

        "xray:PutTraceSegments",

        "xray:PutTelemetryRecords",

        "xray:GetSamplingRules",

        "xray:GetSamplingTargets",

        "xray:GetSamplingStatisticSummaries"

      ],

      "Resource": [

        "*"

      ]

    }

  ]

}

```