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support using git-sync with PVC (allowing there to only be one git-sync container) #283

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thesuperzapper opened this issue Jul 8, 2021 · 4 comments · May be fixed by #575
Open

support using git-sync with PVC (allowing there to only be one git-sync container) #283

thesuperzapper opened this issue Jul 8, 2021 · 4 comments · May be fixed by #575
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kind/enhancement kind - new features or changes
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Issue Triage and PR Tracking
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airflow-8.10.0

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@thesuperzapper
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Currently, we don't let users enable dags.gitSync and dags.persistence at the same time.

If we do this (obviously requiring dags.persistence.accessMode = ReadWriteMany), we can massively reduce the number of git-sync containers required.

This is because we won't have to put a git-sync container in every Pod, but rather have all pods mount the PVC, while having a central single git-sync deployment that keeps the PVC up to date.
@thesuperzapper thesuperzapper added the kind/enhancement kind - new features or changes label Jul 8, 2021
@justbeay
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in airflow1 version, gitSync with dags pvc works. we hope it keeps the same in airflow2. which would not leading the task container waiting for git clone done (this masters a lot if the git repo is too big or poor network connection)

@thesuperzapper
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@justbeay two comments:

  1. version 8.X.X of the chart can be used with both airflow 1 and airflow 2 (see the Airflow Version Support table)
  2. while the 7.X.X version of the chart may have let you enable a PVC with git-sync enabled, it would have resulted in all the git-sync containers fighting over the sync

@thesuperzapper thesuperzapper moved this from To Do | priority-p2 to To Do | priority-p3 in Issue Triage and PR Tracking Aug 19, 2021
@thesuperzapper thesuperzapper moved this from To Do | priority-p3 to To Do | priority-p1 in Issue Triage and PR Tracking Aug 20, 2021
@stale stale bot added lifecycle/stale lifecycle - this is stale and removed lifecycle/stale lifecycle - this is stale labels Sep 24, 2021
@thesuperzapper thesuperzapper mentioned this issue Sep 30, 2021
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Issue Triage and PR Tracking automation moved this from To Do | priority-p1 to Done Dec 3, 2021
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@thesuperzapper thesuperzapper moved this from Unsorted to To Do | priority-p2 in Issue Triage and PR Tracking Dec 14, 2021
@thesuperzapper thesuperzapper moved this from To Do | priority-p2 to To Do | backlog in Issue Triage and PR Tracking Dec 14, 2021
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@thesuperzapper thesuperzapper removed the lifecycle/frozen lifecycle - this can't become stale label Mar 22, 2022
@thesuperzapper thesuperzapper added this to the airflow-8.7.0 milestone Mar 22, 2022
@thesuperzapper thesuperzapper moved this from Backlog | Other to Triage | Needs PR in Issue Triage and PR Tracking Mar 22, 2022
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@thesuperzapper
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I think this feature is really important for KubernetesExecutor, as right now if cloning the git repo takes a long time, then EVERY task will take at least that long, this is because the git-clone init-container must run before the task can, as it needs the DAG definitions.

@karakanb karakanb linked a pull request May 4, 2022 that will close this issue
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@karakanb
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I have created a PR trying to address these, I'd appreciate feedback on it.

@thesuperzapper thesuperzapper moved this from Triage | Needs PR to Triage | Work Started in Issue Triage and PR Tracking Feb 6, 2023
@thesuperzapper thesuperzapper mentioned this issue May 13, 2023
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Labels
kind/enhancement kind - new features or changes
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airflow-8.10.0
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feat: add support for git-sync with PVC (central sync deployment) karakanb/charts
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@justbeay @thesuperzapper @karakanb