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[action] [PR:22391] [Arista SKUs] check for flag file created by supervisor to update LC reboot cause#1607

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mssonicbld merged 1 commit intoAzure:202405from
mssonicbld:cherry/msft-202405/22391
Sep 12, 2025
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[action] [PR:22391] [Arista SKUs] check for flag file created by supervisor to update LC reboot cause#1607
mssonicbld merged 1 commit intoAzure:202405from
mssonicbld:cherry/msft-202405/22391

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Fixes graceful reboot part of aristanetworks/sonic#118.

Why I did it

aristanetworks/sonic#118 indicates that when reboot is issued
by supervisor, in the reboot-cause history of LC, correct cause is not printed out. This
can lead to test failures and also potentially issues while debugging problems related to
reboot.

Work item tracking
  • Microsoft ADO (number only):

How I did it

A temporary flag file is used for this purpose. When the flag file is created by
supervisor via RPC before it reboots the LC, this can indicate that previous
reboot command for LC has been issued by the supervisor via RPC. This
information can be used to update the reboot cause as
'reboot from Supervisor' and the user as 'Supervisor' to distinguish
it from typical reboot by admin on LC.

How to verify it

Which release branch to backport (provide reason below if selected)

  • 201811
  • 201911
  • 202006
  • 202012
  • 202106
  • 202111
  • 202205
  • 202211
  • 202305
  • 202405

Description for the changelog

Link to config_db schema for YANG module changes

A picture of a cute animal (not mandatory but encouraged)

…reboot cause

Fixes graceful reboot part of aristanetworks/sonic#118.

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#### Why I did it

aristanetworks/sonic#118 indicates that when reboot is issued
by supervisor, in the `reboot-cause history` of LC, correct cause is not printed out. This
can lead to test failures and also potentially issues while debugging problems related to
reboot.

##### Work item tracking
- Microsoft ADO **(number only)**:

#### How I did it

A temporary flag file is used for this purpose. When the flag file is created by
supervisor via RPC before it reboots the LC, this can indicate that previous
reboot command for LC has been issued by the supervisor via RPC. This
information can be used to update the reboot cause as
'reboot from Supervisor' and the user as 'Supervisor' to distinguish
it from typical reboot by admin on LC.

#### How to verify it

<!--
If PR needs to be backported, then the PR must be tested against the base branch and the earliest backport release branch and provide tested image version on these two branches. For example, if the PR is requested for master, 202211 and 202012, then the requester needs to provide test results on master and 202012.
-->

#### Which release branch to backport (provide reason below if selected)

<!--
- Note we only backport fixes to a release branch, *not* features!
- Please also provide a reason for the backporting below.
- e.g.
- [x] 202006
-->

- [ ] 201811
- [ ] 201911
- [ ] 202006
- [ ] 202012
- [ ] 202106
- [ ] 202111
- [ ] 202205
- [ ] 202211
- [ ] 202305
- [x] 202405

#### Description for the changelog
<!--
Write a short (one line) summary that describes the changes in this
pull request for inclusion in the changelog:
-->

<!--
 Ensure to add label/tag for the feature raised. example - PR#2174 under sonic-utilities repo. where, Generic Config and Update feature has been labelled as GCU.
-->

#### Link to config_db schema for YANG module changes
<!--
Provide a link to config_db schema for the table for which YANG model
is defined
Link should point to correct section on https://github.com/Azure/sonic-buildimage/blob/master/src/sonic-yang-models/doc/Configuration.md
-->

#### A picture of a cute animal (not mandatory but encouraged)
@mssonicbld
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Original PR: sonic-net/sonic-buildimage#22391

@mssonicbld
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/azp run

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Azure Pipelines successfully started running 1 pipeline(s).

@mssonicbld mssonicbld merged commit 523ecd0 into Azure:202405 Sep 12, 2025
16 checks passed
bingwang-ms pushed a commit that referenced this pull request Jan 16, 2026
…tically (#23334)

#### Why I did it
src/sonic-sairedis
```
* 7c435771 - (HEAD -> master, origin/master, origin/HEAD) Add missing <array> include to TestSyncdBrcm.cpp (#1632) (2 days ago) [Saikrishna Arcot]
* 80daaa3d - Support for platforms based on Clounix net device (#1618) (2 days ago) [LongWuuu]
* d5a9128a - Ignore SAI_TUNNEL_ATTR_ENCAP_TTL_MODE not implemented error during 202411->202505 warm-upgrade (#1644) (4 days ago) [Ryangwaite]
* 803973ab - Revert "update docker sonic test (#1639)" (#1643) (7 days ago) [jingwenxie]
* a600170d - update docker sonic test (#1639) (2 weeks ago) [jingwenxie]
* 3217d783 - Update SAI to include macsec POST API headers (#1628) (3 weeks ago) [senthil-nexthop]
* d500ae72 - [trim]: Add Packet Trimming Drop Counters to VS lib (#1630) (3 weeks ago) [Nazarii Hnydyn]
* 465bdced - VPP: Update UN_PERF to UN. (#1634) (4 weeks ago) [dypet]
* 0b8ccb1a - [Xsight] update config_syncd_xsight() (#1607) (5 weeks ago) [Eran Dahan]
* 4a96de71 - Temp workaround for sonic-buildimage issue 23387 (#1629) (5 weeks ago) [veronica-arista]
* 2e9c8563 - Use container registry when running tests (#1635) (5 weeks ago) [Saikrishna Arcot]
* ed738699 - Updated SAI version to 1.16.3. (#1631) (5 weeks ago) [mramezani95]
* dcf7573f - Allow missing SAI_MY_SID_ENTRY_ATTR_ENDPOINT_BEHAVIOR_FLAVOR. (#1597) (5 weeks ago) [dypet]
* 5bf346fe - fix the BFD tests for VPP (#1617) (5 weeks ago) [aronovic]
* 7bb53263 - (origin/sai_query_stats_st_capability) Exclude sonic-vpp sai code from code coverage check (#1622) (6 weeks ago) [yue-fred-gao]
* fb5652bd - [meta] do not fail bulk operations if MODE_IGNORE_ERROR (#1613) (6 weeks ago) [Nikola Dancejic]
```
#### How I did it
#### How to verify it
#### Description for the changelog
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