Checks for the existence of a file in Google Cloud Storage.

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Last Updated: Oct. 23, 2022

Access Instructions

Install the Google provider package into your Airflow environment.

Import the module into your DAG file and instantiate it with your desired params.


folder_idRequiredThe Google drive folder where the file is.
file_nameRequiredThe name of the file to check in Google Drive
drive_idOptional. The id of the shared Google Drive in which the file resides.
gcp_conn_idThe connection ID to use when connecting to Google Cloud Storage.
delegate_toThe account to impersonate using domain-wide delegation of authority, if any. For this to work, the service account making the request must have domain-wide delegation enabled.
impersonation_chainOptional service account to impersonate using short-term credentials, or chained list of accounts required to get the access_token of the last account in the list, which will be impersonated in the request. If set as a string, the account must grant the originating account the Service Account Token Creator IAM role. If set as a sequence, the identities from the list must grant Service Account Token Creator IAM role to the directly preceding identity, with first account from the list granting this role to the originating account (templated).


Checks for the existence of a file in Google Cloud Storage.

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