[Bug 1449074] Re: nfs-common should depend on keyutils for nfsidmap integration

[Steve Langasek]

** Description changed:

- The idmapd service is no longer started by default as of Ubuntu 15.04,
- because it's been superseded upstream by nfsidmap, which integrates with
- the kernel request-key interface.  However the keyutils package which
- provides request-key is not installed by default.  The nfs-common
- package needs to add a dependency on keyutils.
+ [Impact]
+ The idmapd service is no longer started by default as of Ubuntu 15.04, because it's been superseded upstream by nfsidmap, which integrates with the kernel request-key interface.  However the keyutils package which provides request-key is not installed by default.  The nfs-common package needs to add a dependency on keyutils to correct this regression from Ubuntu 14.10.
+ 
+ [Test Case]
+ 1. Install nfs-common 1:1.2.8-9ubuntu8 from vivid.
+ 2. mount an NFS share from an NFS4 server, which requires the idmap service.
+ 3. ls -l the mount point to see that the file ownership has all been mapped to -1.
+ 4. install nfs-common 1:1.2.8-9ubuntu8.1 from vivid-proposed.
+ 5. verify that the keyutils package has been installed.
+ 6. unmount the NFS share and remount it.
+ 7. verify that the ls -l output now shows normal uid mapping.

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https://bugs.launchpad.net/bugs/1449074

Title:
  nfs-common should depend on keyutils for nfsidmap integration

Status in nfs-utils package in Ubuntu:
  New
Status in nfs-utils source package in Vivid:
  New
Status in nfs-utils source package in w-series:
  New

Bug description:
  [Impact]
  The idmapd service is no longer started by default as of Ubuntu 15.04, because it's been superseded upstream by nfsidmap, which integrates with the kernel request-key interface.  However the keyutils package which provides request-key is not installed by default.  The nfs-common package needs to add a dependency on keyutils to correct this regression from Ubuntu 14.10.

  [Test Case]
  1. Install nfs-common 1:1.2.8-9ubuntu8 from vivid.
  2. mount an NFS share from an NFS4 server, which requires the idmap service.
  3. ls -l the mount point to see that the file ownership has all been mapped to -1.
  4. install nfs-common 1:1.2.8-9ubuntu8.1 from vivid-proposed.
  5. verify that the keyutils package has been installed.
  6. unmount the NFS share and remount it.
  7. verify that the ls -l output now shows normal uid mapping.

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