Enable IAM based authentication from CloudSQL airflow operators to connect to Cloudsql in GCP

[jitendra390]

Description

Currently the cloudsql operators from airflow does spin up cloud auth proxy to connect to cloudsql . But it uses DB user name and password to authenticate and authorize. Cloudsql Auth proxy supports IAM based authentication where the native cloud identity(service account) can be used to authenticate against cloudsql without the need of creating and maintaining a sepearte DB identity. It would be great if the existing cloudsql airflow operators can add this functionality.

Use case/motivation

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Related issues

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• Yes I am willing to submit a PR!

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[boring-cyborg]

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