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x/build/cmd/buildlet: permission denied errors trying to clean a new buildlet #32065

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bradfitz opened this issue May 15, 2019 · 1 comment
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@bradfitz
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@bradfitz bradfitz commented May 15, 2019

The coordinator is failing to get an arm5 builder because those buildlets are failing to clean:

From the farmer.golang.org history, this failed build is linked:

  builder: linux-arm-arm5spacemonkey
      rev: 14491a2ec499668388d7fe7e95b84dbf0e1cf04d
 buildlet: (nil *buildlet.Client)
  started: 2019-05-15 20:37:42.029121728 +0000 UTC m=+108224.767650353
    ended: 2019-05-15 20:37:42.548240559 +0000 UTC m=+108225.286769101
  success: false

Events:
  2019-05-15T20:37:42Z checking_for_snapshot 
  2019-05-15T20:37:42Z finish_checking_for_snapshot after 24ms
  2019-05-15T20:37:42Z get_buildlet 
  2019-05-15T20:37:42Z wait_static_builder host-linux-arm5spacemonkey
  2019-05-15T20:37:42Z finish_wait_static_builder after 0s; host-linux-arm5spacemonkey
  2019-05-15T20:37:42Z clean_buildlet http://go-builder-1 reverse peer go-builder-1/69.58.94.166:26826 for host type host-linux-arm5spacemonkey
  2019-05-15T20:37:42Z finish_clean_buildlet after 130.2ms; err=500 Internal Server Error; body: unlinkat /home/builder/stage0scratch/workdir/gopath/pkg/mod/golang.org/x/sys@v0.0.0-20190403152447-81d4e9dc473e/PATENTS: permission denied
; http://go-builder-1 reverse peer go-builder-1/69.58.94.166:26826 for host type host-linux-arm5spacemonkey
  2019-05-15T20:37:42Z finish_get_buildlet after 310ms; err=500 Internal Server Error; body: unlinkat /home/builder/stage0scratch/workdir/gopath/pkg/mod/golang.org/x/sys@v0.0.0-20190403152447-81d4e9dc473e/PATENTS: permission denied


Build log:


Error: failed to get a buildlet: 500 Internal Server Error; body: unlinkat /home/builder/stage0scratch/workdir/gopath/pkg/mod/golang.org/x/sys@v0.0.0-20190403152447-81d4e9dc473e/PATENTS: permission denied

/cc @dmitshur

@bradfitz bradfitz added the NeedsFix label May 15, 2019
@gopherbot gopherbot added this to the Unreleased milestone May 15, 2019
@gopherbot gopherbot added the Builders label May 15, 2019
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@gopherbot gopherbot commented May 15, 2019

Change https://golang.org/cl/177457 mentions this issue: cmd/buildlet: make workdir dir cleaning change permissions if needed

@golang golang locked and limited conversation to collaborators May 15, 2020
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