[jira] [Created] (AIRFLOW-4316) Keys/Variable names in the 'kubernetes_environment_variables' section are transformed to lower case

[Vlad Precup (JIRA)]

Vlad Precup created AIRFLOW-4316:
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             Summary: Keys/Variable names in the 
'kubernetes_environment_variables' section are transformed to lower case
                 Key: AIRFLOW-4316
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-4316
             Project: Apache Airflow
          Issue Type: Bug
          Components: configuration, contrib
    Affects Versions: 1.10.3
            Reporter: Vlad Precup
             Fix For: 1.10.4


All the environment variable names declared under the 
kubernetes_environment_variables section are converted to lowercase in the 
newly generated pods when running Airflow with the KubernetesExecutor in 
version 1.10.3.

The behavior is not aligned with the comments in the documentation / code 
comments in the default config file, airflow.cfg.

Investigation helper:

Since we are treating all the sections uniformly in the configuration 
component, all the keys are lowered (i.e. `configuration.py`, line 342 ->`key = 
env_var.replace(section_prefix, '').lower()`)

Please also write (a) unit test(s) for this special case.



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