code: def get_stores_secrets_command_args(cls, stores_secrets):
          
          commands = []
          for store_secret in stores_secrets:
              store = store_secret['store']
              if store == GCS:
                  commands.append('export GOOGLE_APPLICATION_CREDENTIALS={}'.format(
                      cls.STORE_SECRET_KEY_MOUNT_PATH.format(store) + '/' +
                      store_secret['persistence_secret_key']
                  ))
              elif store == S3:
                  commands.append(
                      "import json; data = json.loads(open('{}').read()); content = []; [content.append('export {}={}'.format(k, data[k])) for k in data]; output = open('{}', 'w'); output.write('\n'.join(content)); output.close()".format(  # noqa
                          cls.STORE_SECRET_KEY_MOUNT_PATH.format(store) + '/' +
                          store_secret['persistence_secret_key'],
                          cls.STORE_SECRET_KEY_MOUNT_PATH.format('envs3'),
                      ))
                  commands.append("source {}".format(
                      cls.STORE_SECRET_KEY_MOUNT_PATH.format('envs3')))
  
          return commands
docs: Create an auth command for S3 and GCS.