[jira] [Resolved] (AIRFLOW-6843) Add grace_period_seconds config option for delete_namespaced_pod kube client request

["Kaxil Naik (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AIRFLOW-6843?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kaxil Naik resolved AIRFLOW-6843.
---------------------------------
    Fix Version/s: 2.0.0
       Resolution: Fixed

> Add grace_period_seconds config option for delete_namespaced_pod kube client request
> ------------------------------------------------------------------------------------
>
>                 Key: AIRFLOW-6843
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-6843
>             Project: Apache Airflow
>          Issue Type: Improvement
>          Components: executor-kubernetes
>    Affects Versions: 1.10.9
>            Reporter: Pete DeJoy
>            Assignee: Pete DeJoy
>            Priority: Major
>             Fix For: 2.0.0
>
>
> If you're using the Kubernetes executor, Amazon EKS deletes pods very quickly after the tasks complete. This can be an issue if you're scraping Airflow logs from a service like FluentD, as it means that the task pod gets deleted before FluentD can pick up logs for fast-running (or fast-failing) tasks.
> The [`kube_client_request_args` |#kube-client-request-args]environment variable is passed to the [`delete_namespaced_pod`|#L443] client request, but passing the necessary [`grace_period_seconds`|#delete_namespaced_pod] as a [`post_param`|#L108] on that object causes other client requests to fail, as that `kube_client_request_args` is passed as a kwarg to all client requests, even those that don't have a `post_params` option for `grace_period_seconds`.
> In order to provide a config option that fixes this issue, there needs to be a new configurable environment variable `AIRFLOW__KUBERNETES____DELETE_POD_GRACE_PERIOD_SECONDS` option that we pass to the [`delete_namespaced_pod`|#L443]] client request as its own argument. This will be defaulted to 0.



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