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I am using Cloud Composer and I noticed that it selects the version of Apache Airflow and Python (2.7.x) for me. I want to use a different version of Airflow and/or Python. How can I change this?
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Each Cloud Composer environment has a web server that runs the Airflow web interface. The web server is a part of Cloud Composer environment architecture. The web server parses the DAG definition files in the dags/ folder and must be able to access a DAG's data and resources to load the DAG and serve HTTP requests.
Supported Python Versions. Cloud Composer supports Python 2 and Python 3. Environments with different Python versions can run in the same Google Cloud Platform project. You can specify the major Python version. For the major version you specify, Cloud Composer installs the latest supported major.minor.patch version.
Maybe the best feature of cloud composer is how easy it is to actually access the AirFlow UI. In the virtual environments I created I’d always have to scroll through lines of output to find a destination URL for the AirFlow UI. In Cloud Composer, the link for an AirFlow UI is provided and very clearly indicated.
New versions of Airflow are usually deployed by Composer within a a few weeks of their stable release. The Airflow version deployed and the Python version installed cannot be changed at this time.
Cloud Composer deploys the latest stable build of Airflow. New versions of Airflow are usually deployed by Composer within a a few weeks of their stable release. The Airflow version deployed and the Python version installed cannot be changed at this time. A future release of Cloud Composer may offer the ability to select the Airflow and/or Python version for new environments.
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