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https://issues.apache.org/jira/browse/AIRFLOW-6260?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16997436#comment-16997436
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Noël BARDELOT commented on AIRFLOW-6260:
----------------------------------------
See: https://github.com/apache/airflow/pull/6801
> Drive _cmd config options by env var
> -------------------------------------
>
> Key: AIRFLOW-6260
> URL: https://issues.apache.org/jira/browse/AIRFLOW-6260
> Project: Apache Airflow
> Issue Type: Improvement
> Components: configuration
> Affects Versions: 1.10.6
> Reporter: Noël BARDELOT
> Assignee: Noël BARDELOT
> Priority: Minor
>
> Add the ability to provide _CMD environment variables the same way you can
> use _cmd options in the configuration. Those _CMD environment variable would
> have priority against the _cmd options the same way the usual environment
> variables have priority against the configuration options.
> The goal is to allow Kubernetes users to provide such commands via configmap,
> and reference them in the configuration using environment variables. The
> referenced script would itself consume secrets in order to construct the
> connection.
> For exemple a script provided as a configmap and referenced by
> AIRFLOW_CORE_SQL_ALCHEMY_CONN_CMD would compute the Alchemy connection using
> the database user and password provided as secrets:
> {{ }}
> {{#!/bin/bash}}
> {{echo -n "postgresql+psycopg2://`cat
> /var/run/secrets/postgresql/postgresql-user`:`cat
> /var/run/secrets/postgresql/postgresql-password`@$POSTGRESQL_SERVICE_HOST:$POSTGRESQL_SERVICE_PORT/airflow"}}
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