tGSBucketExist Standard properties

These properties are used to configure tGSBucketExist running in the Standard Job framework.

The Standard tGSBucketExist component belongs to the Big Data and the Cloud families.

The component in this framework is available in all Talend products.

Basic settings

Use an existing connection	Select this check box and in the Component List click the relevant connection component to reuse the connection details you already defined.
Credential type	Select the mode to be used to authenticate to your project. Service account: authenticate using a Google account that is associated with your Google Cloud Platform project. When selecting this mode, the parameter to be defined is Service account key. Application Default Credentials: authenticate using the Application Default Credentials. When selecting this mode, no additional parameters need to be defined as credentials are automatically found based on the application environment. OAuth Access Token: authenticate using an OAuth access token. When selecting this mode, the parameter to be defined is OAuth Access Token. To know more about the Google Cloud authentication process, read the Google Cloud documentation.
Service account key	Click the [...] button next to the service account key field to browse for the JSON file that contains your service account key. This property is only available when you authenticate using Service account.
OAuth Access Token	Enter an access token. The lifetime of the token is one hour. The component does not perform the token refresh operation but will fetch the new access token to operate beyond the one-hour limit. This property is only available when you authenticate using OAuth Access Token.
Bucket name	Specify the name of the bucket for which you want to perform a check to confirm it exists in Google Cloud Storage.
Project ID	When the credential type is set to OAuth Access Token, specify the project ID for which you want to perform a check to confirm it exists.
Die on error	This check box is cleared by default, meaning to skip the row on error and to complete the process for error-free rows.

Advanced settings

Use a custom endpoint	Select this check box to use a private endpoint rather than the default one. When selected, enter the URL in the Google Storage Private API URL property, by respecting the following format: "https://storage.goggleapis.com". For more information, see Access Google APIs through endpoints from Google documentation. This property is only available when you authenticate using Service account and Application Default Credentials.
tStatCatcher Statistics	Select this check box to gather the Job processing metadata at the Job level as well as at each component level.

Use a custom endpoint

Select this check box to use a private endpoint rather than the default one.

When selected, enter the URL in the Google Storage Private API URL property, by respecting the following format: "https://storage.goggleapis.com".

For more information, see Access Google APIs through endpoints from Google documentation.

This property is only available when you authenticate using Service account and Application Default Credentials.

tStatCatcher Statistics

Select this check box to gather the Job processing metadata at the Job level as well as at each component level.

Global Variables

Global Variables	BUCKET_EXIST: the existence of a specified bucket. This is a Flow variable and it returns a Boolean. BUCKET_NAME: the name of a specified bucket. This is a Flow variable and it returns a string. ERROR_MESSAGE: the error message generated by the component when an error occurs. This is an After variable and it returns a string. This variable functions only if the Die on error check box is cleared, if the component has this check box. A Flow variable functions during the execution of a component while an After variable functions after the execution of the component. To fill up a field or expression with a variable, press Ctrl+Space to access the variable list and choose the variable to use from it. For more information about variables, see Using contexts and variables.

BUCKET_EXIST: the existence of a specified bucket. This is a Flow variable and it returns a Boolean.

BUCKET_NAME: the name of a specified bucket. This is a Flow variable and it returns a string.

ERROR_MESSAGE: the error message generated by the component when an error occurs. This is an After variable and it returns a string. This variable functions only if the Die on error check box is cleared, if the component has this check box.

A Flow variable functions during the execution of a component while an After variable functions after the execution of the component.

To fill up a field or expression with a variable, press Ctrl+Space to access the variable list and choose the variable to use from it.

For more information about variables, see Using contexts and variables.

Usage

Usage rule	This component can be used as a standalone component.

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