Get App Token

This GitHub Action retrieves a GitHub App installation token for use in workflows.

Configuration

Create a GitHub Application

Create a GitHub Application in your organization, scoped to whichever permissions you need your token to have.
After you've created the application, make note of the App ID.
Locate the Private keys section. Generate and download a private key.

Install the GitHub Application

Install the app, granting access to the repository where you want to use this action.

Add repository secrets

In the repository where you want to use this action, create two encrypted secrets as follows.

Secret name	Value
`APPLICATION_ID`	The App ID of your GitHub Application
`APPLICATION_PRIVATE_KEY`	The contents of the private key you generated and downloaded. You can open the file in a text editor and copy/paste.

Use the action in a workflow

This action has the following inputs and outputs

Required inputs

Input	Description
`application-id`	The GitHub App ID
`application-private-key`	The GitHub App private key

Outputs

Output	Description
`app-token`	The token retrieved from GitHub

Example

name: Test action

on:
  workflow_dispatch:

jobs:
  test:
    runs-on: ubuntu-latest

    steps:
      - name: Get token
        id: get_token
        uses: microsoftgraph/get-app-token@main
        with:
          application-id: ${{ secrets.APPLICATION_ID }}
          application-private-key: ${{ secrets.APPLICATION_PRIVATE_KEY }}

      - name: Use token
        uses: actions/github-script@v5
        with:
          github-token: ${{ steps.get_token.outputs.app-token }}
          script: |
            const repo = await github.rest.repos.get(context.repo);
            console.log(JSON.stringify(repo, null, 2));