feng-tao commented on a change in pull request #4772: [AIRFLOW-3937] 
KubernetesPodOperator support for envFrom configMapRef…
URL: https://github.com/apache/airflow/pull/4772#discussion_r261506193
 
 

 ##########
 File path: 
airflow/contrib/kubernetes/kubernetes_request_factory/kubernetes_request_factory.py
 ##########
 @@ -191,3 +191,10 @@ def extract_image_pull_secrets(pod, req):
     def extract_tolerations(pod, req):
         if pod.tolerations:
             req['spec']['tolerations'] = pod.tolerations
+
+    @staticmethod
+    def extract_env_from(pod, req):
+        for idx, configmap in enumerate(pod.envs_from_configmaps):
+            
req['spec']['containers'][0]['envFrom'][idx]['configMapRef']['name'] = 
configmap.name
 
 Review comment:
   I am not very familiar with Airflow k8s code. But this seems to a long chain 
of map? Does it always work? Could it happen when the key doesn't exist in the 
dict which causes exception?

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