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rpm: improve process timing for safety #764

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merged 1 commit into from
Dec 11, 2024

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daipom
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@daipom daipom commented Dec 10, 2024

Points

  • FROM-package just leaves tmp files if it supports the features.
  • TO-package trigger the features if there are those tmp files.
  • Thus, can ensure that both FROM and TO support the feature.
  • Make installing plugin and restarting the same condition.
  • Disable %systemd_postun_with_restart completely to align specifications with DEB.

Before

  1. to-pre(2): Collect plugin-list.
  2. Install TO-package
  3. to-post(2): Install plugin.
  4. from-preun(1): Do nothing.
  5. Uninstall FROM-package
  6. from-postun(1): Restart if need.

After

  1. to-pre(2): Collect plugin-list.
  2. Install TO-package
  3. to-post(2): Do nothing.
  4. from-preun(1):
    • Check auto or not.
    • Leave plugin-install flag and pid if need.
  5. Uninstall FROM-package
  6. from-postun(1): Disable %systemd_postun_with_restart.
  7. to-posttrans: Install plugin and restart if need.

@daipom daipom force-pushed the rpm-improve-process-timing branch 7 times, most recently from 707bbb0 to ef431ea Compare December 11, 2024 04:40
@daipom daipom requested review from kenhys and Watson1978 December 11, 2024 05:00
@daipom daipom marked this pull request as ready for review December 11, 2024 05:00
@daipom daipom force-pushed the rpm-improve-process-timing branch from ef431ea to d3ab638 Compare December 11, 2024 05:38
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@Watson1978 Watson1978 left a comment

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👍🏻

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@kenhys kenhys left a comment

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LGTM.

@daipom daipom force-pushed the rpm-improve-process-timing branch from d3ab638 to e660059 Compare December 11, 2024 07:16
Points

* FROM-package just leaves tmp files if it supports the features.
* TO-package trigger the features if there are those tmp files.
* Thus, can ensure that both FROM and TO support the feature.
* Make installing plugin and restarting the same condition.
* Disable `%systemd_postun_with_restart` completely to align
  specifications with DEB.

Before

1. to-pre(2): Collect plugin-list.
2. Install TO-package
3. to-post(2): Install plugin.
4. from-preun(1): Do nothing.
5. Uninstall FROM-package
6. from-postun(1): Restart if need.

After

1. to-pre(2): Collect plugin-list.
2. Install TO-package
3. to-post(2): Do nothing.
4. from-preun(1):
   * Check auto or not.
   * Leave plugin-install flag and pid if need.
5. Uninstall FROM-package
6. from-postun(1): Disable `%systemd_postun_with_restart`.
7. to-posttrans: Install plugin and restart if need.

Signed-off-by: Daijiro Fukuda <[email protected]>
@daipom daipom force-pushed the rpm-improve-process-timing branch from e660059 to 31783f8 Compare December 11, 2024 07:17
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daipom commented Dec 11, 2024

Thanks for your review!

@daipom daipom merged commit 038b770 into fluent:feature-nodowntime Dec 11, 2024
11 checks passed
@daipom daipom deleted the rpm-improve-process-timing branch December 11, 2024 07:18
kenhys pushed a commit that referenced this pull request Dec 11, 2024
Points

* FROM-package just leaves tmp files if it supports the features.
* TO-package trigger the features if there are those tmp files.
* Thus, can ensure that both FROM and TO support the feature.
* Make installing plugin and restarting the same condition.
* Disable `%systemd_postun_with_restart` completely to align
specifications with DEB.

Before

1. to-pre(2): Collect plugin-list.
2. Install TO-package
3. to-post(2): Install plugin.
4. from-preun(1): Do nothing.
5. Uninstall FROM-package
6. from-postun(1): Restart if need.

After

1. to-pre(2): Collect plugin-list.
2. Install TO-package
3. to-post(2): Do nothing.
4. from-preun(1):
   * Check auto or not.
   * Leave plugin-install flag and pid if need.
5. Uninstall FROM-package
6. from-postun(1): Disable `%systemd_postun_with_restart`.
7. to-posttrans: Install plugin and restart if need.

Signed-off-by: Daijiro Fukuda <[email protected]>
@kenhys kenhys added this to the 5.2.0 milestone Dec 12, 2024
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3 participants