shared-actions/aws-lambda-update/README.md

aws-lambda-update

Update Lambda function alias to a new version, optionally wait for provisioned concurrency.

Inputs

Input	Required	Default	Description
function-name	Yes		Lambda function name
function-version	Yes		Lambda version number
alias-name	Yes		Alias name
aws-role-arn	Yes		IAM role via OIDC
wait-provisioned-concurrency	No	false	Poll until provisioned concurrency is READY
aws-profile	No	default	AWS CLI profile name
region	No	eu-central-1	AWS region
lambda-alias-updates-json	No	""	JSON array of {function_name, version, alias_name} objects for batch updates

Usage

- uses: schmalz/shared-actions/.github/actions/aws-lambda-update@v1
  with:
    function-name: my-function
    function-version: "42"
    alias-name: live
    aws-role-arn: ${{ secrets.AWS_ROLE_ARN }}
    wait-provisioned-concurrency: "true"

Batch update

- uses: schmalz/shared-actions/.github/actions/aws-lambda-update@v1
  with:
    function-name: unused
    function-version: "0"
    alias-name: unused
    aws-role-arn: ${{ secrets.AWS_ROLE_ARN }}
    lambda-alias-updates-json: |
      [
        {"function_name": "fn-a", "version": "3", "alias_name": "live"},
        {"function_name": "fn-b", "version": "7", "alias_name": "live"}
      ]

Notes

• When lambda-alias-updates-json is set, the single-alias inputs (function-name, function-version, alias-name) are ignored.
• Provisioned concurrency polling checks every 5 seconds and fails the step if status becomes FAILED.
• Uses aws-configure internally for OIDC authentication.