Open Stack

Hi, I'd like you to take a look at this patch for potential
DocImpact.
https://review.openstack.org/29821

Log:
commit 31deaec6720897cc3d4b88d0d5a8bccbc4c72659
Author: Rushi Agrawal <rushi.agr at gmail.com>
Date:   Mon May 20 10:29:06 2013 +0530

    Share service support in Cinder.
    
    This patch introduces 'Shares' support in Cinder. A new service cinder-shares
    will allow creation of file shares and other related operations. List of
    operations currently supported:
    1. Create/delete a file share
    2. Create/delete snapshot of a share
    3. Create share from snapshot
    4. Provide/deny access to a share for a particular IP/IPs
    5. List shares/snapshots/access-list
    
    Reference LVM implementation for NFS and CIFS share drivers is provided. The
    LVM share driver utilises NFS or CIFS helper to create shares. For CIFS, two
    helpers: CIFSHelper, and CIFSNetConfHelper are included, the latter one
    is implemented keeping in mind low interference  with the system-wide Samba
    daemon. A NetApp 7-mode share driver is also included.
    
    Another big thing included in this patch is filter-scheduler and multi-backend
    support for shares. So users can now define multiple share backends with an
    enabled_share_backends flag in cinder.conf, and then define flags in the
    corresponding config group, to make intelligent decisions based on filter
    scheduler to provision shares on multiple backends.
    
    Care has been taken to separate the code as much from the volume service code
    as possible. Also, the code is made to work very similar to how volumes work,
    so that it becomes very easy to add advanced features similar to ones which
    exist for volumes (e.g. share types, retry-and-reschedule for shares, etc)
    
    Implements blueprint file-shares-service
    
    DocImpact
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    Change-Id: I119bfbd62c237314238026b7f80d8eecc602202d