Eric Carlson created AIRFLOW-4878:
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Summary: Allow alternate docker image for kubernetes xcom sidecar
Key: AIRFLOW-4878
URL: https://issues.apache.org/jira/browse/AIRFLOW-4878
Project: Apache Airflow
Issue Type: Improvement
Components: operators, xcom
Affects Versions: 2.0.0
Reporter: Eric Carlson
Currently the image used for xcom push is hardcoded to `python:3.5-alpine`:
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[https://github.com/apache/airflow/blob/master/airflow/kubernetes/kubernetes_request_factory/pod_request_factory.py#L98]
This is a problem in environments that are locked down and do not have access
to the public docker registry.
I propose adding a similar set of config variables and method arguments that
specify the image and pull policy of the base container. Specifically:
* in the config file, adding \{xcom_container_repository, xcom_container_tag,
xcom_container_image_pull_policy} to complement the existing
\{worker_container_*} variables
* In the pod operator, adding a xcom_image_* arguments to complement the
existing image_* arguments (image, image_pull_policy)
If this proposal is acceptable I have some locally working code that I'll
create a PR from
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