XD-DENG commented on a change in pull request #4636: [AIRFLOW-3737] Kubernetes
executor cannot handle long dag/task names
URL: https://github.com/apache/airflow/pull/4636#discussion_r268013551
##########
File path: airflow/contrib/executors/kubernetes_executor.py
##########
@@ -477,6 +481,27 @@ def _make_safe_pod_id(safe_dag_id, safe_task_id,
safe_uuid):
return safe_pod_id
+ @staticmethod
+ def _make_safe_label_value(string):
+ """
+ Valid label values must be 63 characters or less and must be empty or
begin and
+ end with an alphanumeric character ([a-z0-9A-Z]) with dashes (-),
underscores (_),
+ dots (.), and alphanumerics between.
+
+ If the label value is then greater than 63 chars once made safe, or
differs in any
+ way from the original value sent to this function, then we need to
truncate to
+ 53chars, and append it with a unique hash.
Review comment:
`53chars` is a typo?
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