Mar 2023

[vadasambar]

Last month's thread: Feb 2023: https://github.com/vadafoss/daily-updates/issues/6

What

This is an issue to update daily status on what I am doing as a member of vadafoss community.

How

Follow this format

## <3-letter-month> <2-letter-day> <4-letter-year>
### やったこと
### Problem
### Try
### TODO
### WIP

やったこと: yatta-koto lit. 'things I did' in Japanese (I just find it sounds closer to what I want to say) Problem (optional): problems I faced Try (optional): what I am trying TODO (optional): things to do WIP (optional): work in progress

[vadasambar]

Mar 1 2023

やったこと

WIP

• monthly goals

TODO

• check the Kanban

Problem

• check the Kanban

[vadasambar]

Mar 2 2023

やったこと

WIP

• monthly goals

TODO

• check the Kanban

Problem

• check the Kanban

[vadasambar]

Mar 3 2023

Took the day off

やったこと

WIP

• ~monthly goals~

TODO

• check the Kanban

Problem

• check the Kanban

[vadasambar]

Mar 6 2023

やったこと

• https://github.com/kubernetes/autoscaler/pull/5507/commits/1acb6b23608c50cdec80c2846c690c82e51377d0
• https://github.com/kubernetes/autoscaler/pull/5507/commits/18902e8fd48a0f789608b69f42d25d02ab140406
• https://github.com/kubernetes/autoscaler/pull/5507/commits/1e092ef21a95cb6fa2a7a2894c6ffa6938a788bf
• https://github.com/kubernetes/autoscaler/pull/5507/commits/3ccac22e7e4ba615bf51221dfee4235c6f616e84
• https://github.com/kubernetes/autoscaler/pull/5507/commits/b7187492eb719484056ee757a8d379614d8a13de
• https://github.com/kubernetes/autoscaler/pull/5565

  WIP

• review changes for https://github.com/kubernetes/autoscaler/pull/5507

TODO

• check the Kanban

Problem

• check the Kanban

[vadasambar]

Mar 7 2023

Took a day off for Holi

やったこと

WIP

TODO

• check the Kanban

Problem

• check the Kanban

[vadasambar]

Mar 8 2023

やったこと

• added comment in https://www.youtube.com/watch?v=NUn_g2bcMk4 to correct mirror pod -> replicated pod
• addressed comments in https://github.com/kubernetes/autoscaler/pull/5565
• addressed new comments in https://github.com/kubernetes/autoscaler/pull/5507
  • https://github.com/kubernetes/autoscaler/pull/5507/commits/6d35b8dcd686d13b3980758150ae9be80e5eb368
  • https://github.com/kubernetes/autoscaler/pull/5507/commits/3d24178b4fd4fa4e00488e30334eb2e24abb98a6

    WIP

• testing https://github.com/kubernetes/autoscaler/pull/5507

TODO

• complete TODO here for https://github.com/kubernetes/autoscaler/pull/5565
• address comments in https://github.com/kubernetes/autoscaler/pull/5507
• test https://github.com/kubernetes/autoscaler/pull/5507
• check the Kanban

Problem

• check the Kanban

[vadasambar]

Mar 9 2023

やったこと

• tested https://github.com/kubernetes/autoscaler/pull/5507
• added test results in https://github.com/kubernetes/autoscaler/pull/5507#issuecomment-1461754931

WIP

TODO

• complete TODO here for https://github.com/kubernetes/autoscaler/pull/5565
• address comments in https://github.com/kubernetes/autoscaler/pull/5507
• check the Kanban

Problem

• check the Kanban

[vadasambar]

Mar 10 2023

やったこと

WIP

• writing a blogpost

  TODO

• complete TODO here for https://github.com/kubernetes/autoscaler/pull/5565
• address comments in https://github.com/kubernetes/autoscaler/pull/5507
• check the Kanban

Problem

• check the Kanban

[vadasambar]

Mar 13 2023

やったこと

• fixed tests in https://github.com/kubernetes/autoscaler/pull/5507
  • https://github.com/kubernetes/autoscaler/pull/5507/commits/600ba520f9b505c75f69c5cdb117ba2978d3aabb
• replied to new comments in https://github.com/kubernetes/autoscaler/pull/5565
• closed https://github.com/kubernetes/autoscaler/pull/5565
• made https://github.com/kubernetes/autoscaler/pull/5507 ready for review

  WIP

TODO

• pick a new cluster-autoscaler feature to work on
• complete TODO here for https://github.com/kubernetes/autoscaler/pull/5565 SUPERSEDED BY https://github.com/kubernetes/autoscaler/pull/5565#discussion_r1133471912
• create follow-up issue for https://github.com/kubernetes/autoscaler/pull/5565
• check the Kanban

Problem

• check the Kanban

[vadasambar]

Mar 14 2023

やったこと

• pick a new cluster-autoscaler feature to work on
  • picked up https://github.com/kubernetes/autoscaler/issues/3947
• created reference implementation PR: https://github.com/kubernetes/autoscaler/pull/5594
• reproduced https://github.com/kubernetes/autoscaler/issues/3947

  WIP

• fixing tests in https://github.com/kubernetes/autoscaler/pull/5594

TODO

• complete TODO in https://github.com/kubernetes/autoscaler/pull/5565#discussion_r1133471912
• create follow-up issue for https://github.com/kubernetes/autoscaler/pull/5565
• check the Kanban

Problem

• check the Kanban

[vadasambar]

Mar 15 2023

やったこと

• addressed comments in https://github.com/kubernetes/autoscaler/pull/5507#pullrequestreview-1338904380
• fixed tests in https://github.com/kubernetes/autoscaler/pull/5594

  WIP

TODO

• complete TODO in https://github.com/kubernetes/autoscaler/pull/5565#discussion_r1133471912
• create follow-up issue for https://github.com/kubernetes/autoscaler/pull/5565
• check the Kanban

Problem

• check the Kanban

[vadasambar]

Mar 16 2023

やったこと

• fixed tests under ./simulator failing in https://github.com/kubernetes/autoscaler/pull/5594
• marked https://github.com/kubernetes/autoscaler/pull/5594 ready for review

  WIP

• looking for another cluster-autoscaler issue to work on

TODO

• complete TODO in https://github.com/kubernetes/autoscaler/pull/5565#discussion_r1133471912
• create follow-up issue for https://github.com/kubernetes/autoscaler/pull/5565
• check the Kanban

Problem

• check the Kanban

[vadasambar]

Mar 17 2023

やったこと

• wrote a blogpost How to install a custom cluster-autoscaler on a GKE/GCP cluster: https://vadasambar.com/post/kubernetes/how-to-deploy-custom-ca-on-gcp/#conclusion
  • summarized it as a comment in the related issue here
  • tweeted about it here: https://twitter.com/_vadasambar/status/1636591500137201664

    WIP

• working on a blog post

TODO

• look at https://github.com/kubernetes/autoscaler/issues/4231#issuecomment-1471726254
• look at https://github.com/keptn/community/issues/250#issuecomment-1472797331
• address new comments in https://github.com/kubernetes/autoscaler/pull/5507
• look at https://github.com/keptn-sandbox/datadog-service/issues/186 ISSUE WAS CLOSED BY THE REPORTER
• complete TODO in https://github.com/kubernetes/autoscaler/pull/5565#discussion_r1133471912
• create follow-up issue for https://github.com/kubernetes/autoscaler/pull/5565
• check the Kanban

Problem

• check the Kanban

[vadasambar]

Mar 20 2023

やったこと

• addressed new comments in https://github.com/kubernetes/autoscaler/pull/5507
• reply to https://github.com/kubernetes/autoscaler/issues/966#issuecomment-1474430684
• added looking for reviews for https://github.com/kubernetes/autoscaler/pull/5594 on CA SIG agenda for today
• replied to the comment in https://github.com/kubernetes/autoscaler/issues/4231
• replied with a comment to https://github.com/kubernetes/autoscaler/issues/5377
• replied with a comment to https://github.com/keptn/community/issues/250

  WIP

TODO

• https://github.com/kubernetes/autoscaler/issues/4231
  • look for similar issues to see if something has been done around this already
  • try reproducing the issue
  • go through the code to understand what might be happening
• complete TODO in https://github.com/kubernetes/autoscaler/pull/5565#discussion_r1133471912
• create follow-up issue for https://github.com/kubernetes/autoscaler/pull/5565
• check the Kanban

Problem

• check the Kanban

[vadasambar]

Mar 21 2023

やったこと

• addressed new comments in https://github.com/kubernetes/autoscaler/pull/5507
  • refactored test cases code under util/drain_test.go
• replied to https://github.com/kubernetes/autoscaler/issues/5377#issuecomment-1475694262
• reproduced https://github.com/kubernetes/autoscaler/issues/4231
  • added comment: https://github.com/kubernetes/autoscaler/issues/4231#issuecomment-1477346881

    WIP

TODO

• https://github.com/kubernetes/autoscaler/issues/4231
  • go through the code to understand what might be happening
• https://github.com/kubernetes/autoscaler/issues/5377
  • try reproducing the issue
  • go through the code to understand what might be happening
• complete TODO in https://github.com/kubernetes/autoscaler/pull/5565#discussion_r1133471912
• create follow-up issue for https://github.com/kubernetes/autoscaler/pull/5565
• check the Kanban

Problem

• check the Kanban

[vadasambar]

Mar 22 2023

やったこと

• addressed new comments in https://github.com/kubernetes/autoscaler/pull/5507
  • refactored test case logic
  • squashed commits
  • added comment around the refactor
• replied https://github.com/kubernetes/autoscaler/issues/5377#issuecomment-1478940569
• updated https://github.com/kubernetes/autoscaler/issues/5566 with info in https://github.com/kubernetes/autoscaler/pull/5565#discussion_r1133471912

  WIP

• reading more about pod topology spread constraints

TODO

• respond to new comment in https://github.com/kubernetes/autoscaler/issues/4231
• https://github.com/kubernetes/autoscaler/issues/4231
  • go through the code to understand what might be happening
• https://github.com/kubernetes/autoscaler/issues/5377
  • try reproducing the issue
  • go through the code to understand what might be happening
• check the Kanban

Problem

• check the Kanban

[vadasambar]

Mar 23 2023

やったこと

• replied to https://github.com/kubernetes/autoscaler/issues/5377#issuecomment-1480585952
• replied to https://github.com/kubernetes/autoscaler/issues/5566#issuecomment-1480591047
• replied to https://github.com/kubernetes/autoscaler/issues/4231#issuecomment-1480593215
• replied to https://github.com/kubernetes/autoscaler/issues/3879#issuecomment-1480661410
• read about pod topology spread constraints and did investigation for https://github.com/kubernetes/autoscaler/issues/3879

  WIP

TODO

• create an issue to support custom default constraints with DoNotSchedule for CA (ref)
• https://github.com/kubernetes/autoscaler/issues/4231
  • go through the code to understand what might be happening
• https://github.com/kubernetes/autoscaler/issues/5377
  • try reproducing the issue
  • go through the code to understand what might be happening
• check the Kanban

Problem

• check the Kanban

[vadasambar]

Mar 24 2023

やったこと

• tweeted about how CA only simulates the filtering (predicates) part of the scheduler: https://twitter.com/_vadasambar/status/1639119622879457280

  WIP

• writing a blogpost

TODO

• respond to new comment in https://github.com/kubernetes/autoscaler/issues/4231
• https://github.com/kubernetes/autoscaler/issues/4231
  • go through the code to understand what might be happening
• https://github.com/kubernetes/autoscaler/issues/5377
  • try reproducing the issue
  • go through the code to understand what might be happening
• check the Kanban

Problem

• check comment https://github.com/kubernetes/autoscaler/issues/4231#issuecomment-1481129875
• check https://github.com/kubernetes/autoscaler/issues/5566#event-8829893947
• check comment https://github.com/kubernetes/autoscaler/issues/5377#issuecomment-1480601136
• check the Kanban

[vadasambar]

Mar 27 2023

Took a day off

やったこと

WIP

TODO

• respond to new comment in https://github.com/kubernetes/autoscaler/issues/4231
• https://github.com/kubernetes/autoscaler/issues/4231
  • go through the code to understand what might be happening
• https://github.com/kubernetes/autoscaler/issues/5377
  • try reproducing the issue
  • go through the code to understand what might be happening
• check the Kanban

Problem

• check comment https://github.com/kubernetes/autoscaler/issues/4231#issuecomment-1481129875
• check https://github.com/kubernetes/autoscaler/issues/5566#event-8829893947
• check comment https://github.com/kubernetes/autoscaler/issues/5377#issuecomment-1480601136
• check the Kanban

[vadasambar]

Mar 28 2023

やったこと

• addressed review comments in https://github.com/kubernetes/autoscaler/pull/5594#issuecomment-1483034334
  • added support for comma separated vol names as values in the annotation
  • added more test cases

    WIP

• looking at https://github.com/kubernetes/autoscaler/issues/5618

TODO

• respond to new comment in https://github.com/kubernetes/autoscaler/issues/4231
• https://github.com/kubernetes/autoscaler/issues/4231
  • go through the code to understand what might be happening
• https://github.com/kubernetes/autoscaler/issues/5377 ISSUE REPORTER CREATED THE PR TO FIX THIS
  • try reproducing the issue
  • go through the code to understand what might be happening
• check the Kanban

Problem

• check https://github.com/kubernetes/autoscaler/issues/5566#event-8829893947
• check comment https://github.com/kubernetes/autoscaler/issues/5377#issuecomment-1480601136
• check the Kanban

[vadasambar]

Mar 29 2023

やったこと

• created https://github.com/kubernetes/autoscaler/pull/5632/files
• add new comment https://github.com/kubernetes/autoscaler/issues/5618#issuecomment-1487966776

  WIP

• looking at https://github.com/kubernetes/autoscaler/issues/5618

TODO

• respond to new comment in https://github.com/kubernetes/autoscaler/issues/4231
• https://github.com/kubernetes/autoscaler/issues/4231
  • go through the code to understand what might be happening
• https://github.com/kubernetes/autoscaler/issues/5377 ISSUE REPORTER CREATED THE PR TO FIX THIS
  • try reproducing the issue
  • go through the code to understand what might be happening
• check the Kanban

Problem

• check https://github.com/kubernetes/autoscaler/issues/5566#event-8829893947
• check comment https://github.com/kubernetes/autoscaler/issues/5377#issuecomment-1480601136
• check the Kanban

[vadasambar]

Mar 30 2023

やったこと

• addressed review comment: https://github.com/kubernetes/autoscaler/pull/5632#pullrequestreview-1363293186

WIP

• looking at https://github.com/kubernetes/autoscaler/issues/5618

TODO

• respond to new comment in https://github.com/kubernetes/autoscaler/issues/4231
• https://github.com/kubernetes/autoscaler/issues/4231
  • go through the code to understand what might be happening
• check the Kanban

Problem

• check https://github.com/kubernetes/autoscaler/issues/5566#event-8829893947
• check comment https://github.com/kubernetes/autoscaler/issues/5377#issuecomment-1480601136
• check the Kanban

[vadasambar]

Mar 31 2023

やったこと

• squashed commits in https://github.com/kubernetes/autoscaler/pull/5632 and made it ready to merge (have already received approval)
• tweeted about --skip-nodes-with-custom-controller-pods flag: https://twitter.com/_vadasambar/status/1641687196716630016
• tweeted about blogpost: https://twitter.com/_vadasambar/status/1641688426528509953
• published a new blogpost: https://vadasambar.com/post/kubernetes/would-ca-consider-my-soft-constraints/

  WIP

TODO

• respond to https://github.com/kubernetes/autoscaler/issues/5618 with my investigation and why I think it's not a bug
• respond to new comment in https://github.com/kubernetes/autoscaler/issues/4231
• https://github.com/kubernetes/autoscaler/issues/4231
  • go through the code to understand what might be happening
• check the Kanban

Problem

• check https://github.com/kubernetes/autoscaler/issues/5566#event-8829893947
• check comment https://github.com/kubernetes/autoscaler/issues/5377#issuecomment-1480601136
• check the Kanban