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[Morgan Fainberg <morgan.fainberg@xxxxxxxxx>]

** Project changed: keystone => keystonemiddleware

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https://bugs.launchpad.net/bugs/1533724

Title:
  keystone-signing folders fill /tmp and seriously slow down reboots

Status in keystonemiddleware:
  Confirmed

Bug description:
  During a night maintenance and reboot of a control (non-keystone node)
  that had been up for around 300 days, we found that we have over 144k
  keystone-signing- folders in /tmp. This caused the maintenance window
  to be missed because it took so long to clean /tmp on reboot. It is my
  understanding that these folders are for PKI. We don't use PKI and
  would like to the option to disable the creation of these folders.

  [PROD] root@control-002:/tmp# ls -al | grep keystone-sign | wc -l
  144200

  more info, the folders are owned by non-keystone services, mainly
  glance for us:

  drwx------  2 glance        glance              4096 Jul  9  2015 keystone-signing-zZocUc
  drwx------  2 glance        glance              4096 Jul 20 07:55 keystone-signing-ZZOibD
  drwx------  2 designate     designate           4096 May 26  2015 keystone-signing-ZZoKgT
  drwx------  2 glance        glance              4096 Jul 14  2015 keystone-signing-zzOmtb
  drwx------  2 glance        glance              4096 Jul 12  2015 keystone-signing-zzOubp
  drwx------  2 glance        glance              4096 Jul 15 17:22 keystone-signing-zzpD6x
  drwx------  2 designate     designate           4096 Jun  9  2015 keystone-signing-ZzPeNQ
  drwx------  2 glance        glance              4096 Jul  2  2015 keystone-signing-ZZPJ4H
  drwx------  2 glance        glance              4096 Jul  9  2015 keystone-signing-zZPnd0
  drwx------  2 designate     designate           4096 May 20  2015 keystone-signing-ZZQK3i
  drwx------  2 glance        glance              4096 Jun 30  2015 keystone-signing-ZZQmEI

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