raman created AIRFLOW-3878:
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Summary: K8 Pod creation error if dag_id exceeds 63 characters
Key: AIRFLOW-3878
URL: https://issues.apache.org/jira/browse/AIRFLOW-3878
Project: Apache Airflow
Issue Type: Bug
Components: executor, kubernetes
Affects Versions: 1.10.2
Reporter: raman
Getting following error while creating K8 worker Pod. Dag Id length is > 63
char and as per
[https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/]
lable value should be <=63
HTTP response body:
\{"kind":"Status","apiVersion":"v1","metadata":{},"status":"Failure","message":"unable
to parse requirement: invalid label value: \"<Dag Id>\": must be no more than
63 characters","reason":"BadRequest","code":400}
K8 Executor sets the dagId as the label value while creating k8pod. Avoid
adding dag_id and task_id as pod labels if their size exceeds 63 char
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