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127 lines
4.6 KiB
C#
127 lines
4.6 KiB
C#
/* Copyright (c) Cloud Software Group, Inc.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using XenAdmin.Core;
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using XenAPI;
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namespace XenAdmin.Actions
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{
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public class EditMultipathAction : PureAsyncAction
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{
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private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
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private const String DEFAULT_MULTIPATH_HANDLE = "dmp";
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private readonly Host host;
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private readonly bool multipath;
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public EditMultipathAction(Host host, bool multipath, bool suppressHistory)
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: base(host.Connection, Messages.ACTION_CHANGE_MULTIPATH, string.Format(Messages.ACTION_CHANGING_MULTIPATH_FOR, host), suppressHistory)
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{
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this.host = host;
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this.multipath = multipath;
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}
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protected override void Run()
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{
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Exception unplugException = null;
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// Only unplug and replug already plugged pbds
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List<String> pluggedPBDrefs = new List<String>();
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try
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{
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foreach (PBD pbd in host.Connection.ResolveAll(host.PBDs))
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{
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if (!pbd.currently_attached)
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continue;
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pluggedPBDrefs.Add(pbd.opaque_ref);
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PBD.unplug(Session, pbd.opaque_ref);
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}
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// CA-19392: Multipath enablement / disablement
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if (Helpers.KolkataOrGreater(host))
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{
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Host.set_multipathing(Session, host.opaque_ref, multipath);
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}
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else
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{
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Host.remove_from_other_config(Session, host.opaque_ref, Host.MULTIPATH);
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Host.add_to_other_config(Session, host.opaque_ref, Host.MULTIPATH, multipath.ToString().ToLowerInvariant());
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}
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Host.remove_from_other_config(Session, host.opaque_ref, Host.MULTIPATH_HANDLE);
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if (multipath)
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{
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Host.add_to_other_config(Session, host.opaque_ref, Host.MULTIPATH_HANDLE, DEFAULT_MULTIPATH_HANDLE);
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}
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}
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catch (Exception e)
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{
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unplugException = e;
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log.Debug("Error occurred unplugging pbds", e);
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throw;
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}
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finally
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{
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Exception plugException = null;
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foreach (String pbdRef in pluggedPBDrefs)
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{
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try
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{
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PBD.plug(Session, pbdRef);
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}
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catch (Exception e)
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{
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if (unplugException == null && plugException == null)
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plugException = e;
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log.Debug("Error occurred replugging pbds", e);
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}
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}
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// Only throw a plug exception if there we no unplug exceptions
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if (unplugException == null && plugException != null)
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throw plugException;
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}
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}
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}
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}
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