[Bug 985417] Re: dhcpd cannot write /var/run/dhcpd.pid

[Clint Byrum]

Hello Varga, or anyone else affected,

Accepted isc-dhcp into precise-proposed. The package will build now and
be available in a few hours. Please test and give feedback here. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed. Thank you in advance!

** Changed in: isc-dhcp (Ubuntu Precise)
       Status: In Progress => Fix Committed

** Tags added: verification-needed

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https://bugs.launchpad.net/bugs/985417

Title:
  dhcpd cannot write  /var/run/dhcpd.pid

Status in “isc-dhcp” package in Ubuntu:
  Fix Released
Status in “isc-dhcp” source package in Precise:
  Fix Committed
Status in “isc-dhcp” source package in Quantal:
  Fix Released

Bug description:
  Description:	Ubuntu precise (development branch)
  Release:	12.04
  ---

  isc-dhcp-server:
    Telepítve: 4.1.ESV-R4-0ubuntu5
    Jelölt:    4.1.ESV-R4-0ubuntu5
    Verziótáblázat:
   *** 4.1.ESV-R4-0ubuntu5 0
          500 http://de.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages
          100 /var/lib/dpkg/status
  ---
  when starting dhcpd the following can be observed in syslog:

  Apr 19 08:09:09 u3 dhcpd: Internet Systems Consortium DHCP Server 4.1-ESV-R4
  Apr 19 08:09:09 u3 dhcpd: Copyright 2004-2011 Internet Systems Consortium.
  Apr 19 08:09:09 u3 dhcpd: All rights reserved.
  Apr 19 08:09:09 u3 dhcpd: For info, please visit https://www.isc.org/software/dhcp/
  Apr 19 08:09:09 u3 dhcpd: Internet Systems Consortium DHCP Server 4.1-ESV-R4
  Apr 19 08:09:09 u3 dhcpd: Copyright 2004-2011 Internet Systems Consortium.
  Apr 19 08:09:09 u3 dhcpd: All rights reserved.
  Apr 19 08:09:09 u3 dhcpd: For info, please visit https://www.isc.org/software/dhcp/
  Apr 19 08:09:09 u3 dhcpd: Wrote 0 leases to leases file.
  Apr 19 08:09:09 u3 dhcpd: Can't create PID file /var/run/dhcpd.pid: Permission denied.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: isc-dhcp-server 4.1.ESV-R4-0ubuntu5
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
  Uname: Linux 3.2.0-23-generic x86_64
  ApportVersion: 2.0.1-0ubuntu4
  Architecture: amd64
  Date: Thu Apr 19 08:09:16 2012
  DhServerLeases:

  InstallationMedia: Ubuntu-Server 12.04 LTS "Precise Pangolin" - Beta amd64 (20120417)
  SourcePackage: isc-dhcp
  UpgradeStatus: No upgrade log present (probably fresh install)
  mtime.conffile..etc.dhcp.dhcpd.conf: 2012-04-19T08:09:04.598083

  ----
  [impact]
  Actually create the pid file in the directory that's created by the upstart job, instead of having dhcpd try to create it in /run and fail miserably (though the server would start regardless).

  [test case]
  1) Install isc-dhcp-server on an Ubuntu 12.04 system
  2) Update /etc/dhcp/dhcpd.conf to list a valid subnet (ideally, do the same with /etc/dhcp/dhcpd6.conf)
  3) sudo stop isc-dhcp-server ; sudo start isc-dhcp-server (if also doing IPv6, then do the same for isc-dhcp-server6)
  4) Check that /run/dhcp-server/dhcpd.pid exists and contains a valid pid (same for dhcpd6.pid if testing IPv6)
  5) Check /var/log/syslog for any pid-related error message

  [regression potential]
  Can't see anything, the upstart job has always been creating the pid path and set the ownership, so even on a system where these would be broken, the init job would be broken already.

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