Airflow variable encryption not showing

Question

Using Airflow 2.7.2, I want to use the variable encryption function, as seen in the image below

I have install Airflow standalone, but is not giving the option.

After reading documentation, we need to install and use Fernet module for the encryption

Apache Airflow Fernet

# Install Cryptography
pip install apache-airflow[crypto,postgres,ssh,s3,log]
pip install cryptography

# Generate secret key, and store in /home/airflow/airflow.cfg
python3 -c "from cryptography.fernet import Fernet; print (Fernet.generate_key ().decode ())"
vi /home/airflow/airflow.cfg

After restarting the Airflow, still not working. What am I missing?

Thanks!

Answer 1

By default, airflow considers your variable secret if your variable name has a string like

• access_token
• api_key
• apikey
• authorization
• passphrase
• passwd
• password
• private_key
• secret
• token

You can set sensitive-var-conn-names in the configuration to mark your variable secret. for example, if set AIRFLOW__CORE__SENSITIVE_VAR_CONN_NAMES=test,example it would consider the variable as secret if the variable name has substring test or example

https://airflow.apache.org/docs/apache-airflow/stable/configurations-ref.html#sensitive-var-conn-names