ashb commented on a change in pull request #4777: Airflow 3918 add git sync ssh 
auth
URL: https://github.com/apache/airflow/pull/4777#discussion_r260203504
 
 

 ##########
 File path: airflow/contrib/kubernetes/worker_configuration.py
 ##########
 @@ -78,19 +77,37 @@ def _get_init_containers(self, volume_mounts):
                 'value': self.kube_config.git_password
             })
 
-        if self.dags_volume_name not in volume_mounts:
-            raise AirflowException(
-                "GitSync enabled but volume %s is not defined." % 
self.dags_volume_name)
-
-        volume_mounts[self.dags_volume_name]['mountPath'] = 
self.kube_config.git_sync_root
-        volume_mounts[self.dags_volume_name]['readOnly'] = False
+        volume_mounts = [{
+            'mountPath': self.kube_config.git_sync_root,
+            'name': self.dags_volume_name,
+            'readOnly': False
+        }]
+        if self.kube_config.git_ssh_key_secret_name:
+            volume_mounts.append({
+                'name': self.git_sync_ssh_secret_volume_name,
+                'mountPath': '/etc/git-secret'
+            })
+            init_environment.extend([
+                {
+                    'name': 'GIT_SSH_KEY_FILE',
+                    'value': '/etc/git-secret/ssh'
+                },
+                {
+                    'name': 'GIT_KNOWN_HOSTS',
+                    'value': 'false'
 
 Review comment:
   This should default to true - having false hard-coded is a security no-no.

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