fix: use creds from env

Author: AndreasDeCrinis

.github/workflows/universal-airgapper.yml

@@ -27,14 +27,14 @@ on:
         description: '--config-folder parameter; path to folder, containing config files'
         default: '${{ github.workspace }}'
         required: false
-      credentials-file:
-        description: '--credentials-file parameter; path to credentials file'
-        default: '${{ secrets.UNIVERSAL_AIRGAPPER_CREDS }}'
-        required: false
       debug:
         description: 'Enable debug mode'
         default: ''
         required: false
+      credentials-secret-name:
+        description: 'Name of the secret containing the credentials'
+        default: 'UNIVERSAL_AIRGAPPER_CREDS'
+        required: false
 
 jobs:
   airgapper:
@@ -56,6 +56,9 @@ jobs:
           cat ${{ github.event.inputs.config-folder || github.workspace }}/*.yaml || true
           echo "========================================================"
 
+      - name: Write credentials file
+        run: echo "${{ secrets[github.event.inputs.credentials-secret-name] }}" > credentials.yaml
+
       - name: Run Universal Airgapper
         run: |
           python /home/airgapper/main.py \