How to set and access response of python code in next step in github workflow

Question

How to set and access the response of python code to a variable in github workflow. I have to use the token which is generated from the python code in the step Create container web in the Auth_Header

- name: setup python
    uses: actions/setup-python@v2
    with:
      python-version: '3.9.0'

  - name: Get Token
    run: |
      python -m pip install --upgrade pip
      pip install requests-oauthlib
      pip install Authlib
      python -c 'from authlib.integrations.requests_client import OAuth2Session;
      session = OAuth2Session("${{ env.CLIENT_ID }}", "${{ env.CLIENT_SECRET }}")
      session.fetch_token("${{ env.TOKEN_ENDPOINT }}")
      session.token["access_token"]'

  - name: Create Container Web
      #if: steps.pr-label.outputs.result == 'true'
    run: |
        AUTH_HEADER="Authorization: token $access_token"

so far what I have tried is below but still it is not working

- name: Get Token
        env:
          ACTIONS_ALLOW_UNSECURE_COMMANDS: 'true'
        run: |
          python -m pip install --upgrade pip
          pip install requests-oauthlib
          pip install Authlib
          echo ::set-env name=ACCESS_TOKEN::$(python -c 'from authlib.integrations.requests_client import OAuth2Session;
          session = OAuth2Session("${{ env.CLIENT_ID }}", "${{ env.CLIENT_SECRET }}")
          session.fetch_token("${{ env.TOKEN_ENDPOINT }}")
          session.token["access_token"]')
        id: token

      - name: Create Container Web
          #if: steps.pr-label.outputs.result == 'true'
        run: |
            echo token is ${{ env.ACCESS_TOKEN }}
            AUTH_HEADER="Authorization: token ${{ env.ACCESS_TOKEN }}"

Bertrand Martel · Accepted Answer · 2021-10-13 23:00:34Z

2

You could set an output using ::set-output and then get this output back in the next step using steps.[id].outputs.ACCESS_TOKEN:

name: Token

on: [push]

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
      - name: Get Token
        env:
          ACTIONS_ALLOW_UNSECURE_COMMANDS: 'true'
        run: |
          python -m pip install --upgrade pip
          pip install requests-oauthlib
          pip install Authlib
          echo ::set-output name=ACCESS_TOKEN::$(python 'from authlib.integrations.requests_client import OAuth2Session;
          session = OAuth2Session("${{ env.CLIENT_ID }}", "${{ env.CLIENT_SECRET }}")
          session.fetch_token("${{ env.TOKEN_ENDPOINT }}")
          print(session.token["access_token"])')
        id: token
      - name: Create Container Web
        run: |
            echo token is ${{ steps.token.outputs.ACCESS_TOKEN }}
            AUTH_HEADER="Authorization: token ${{ steps.token.outputs.ACCESS_TOKEN }}"

edited Oct 13, 2021 at 23:00

answered Oct 13, 2021 at 22:46

Bertrand Martel

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4 Comments

Tim Over a year ago

Thanks Bertrand it worked like a charm!! do I need to use print statement at the end..

Bertrand Martel Over a year ago

@Tim the print statement is to send the value to stdout so that the result of $(...) will be "token"

Tim Over a year ago

is it safe to use print in the console

Bertrand Martel Over a year ago

@Tim what do you mean by safe? for the access token ? I would say that it's as safe as echo but the risk would be script injection if it outputs some command like "ls", it will resolve to $("ls") etc... The risk is the same as echo ${{ ..... }}. You need to check that session.token["access_token"] is a valid formatted access token for example. See this doc about the risk of script injections.

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