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123 lines
4.2 KiB
C#
123 lines
4.2 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.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 GetHeartbeatSRsAction : AsyncAction
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{
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private readonly List<SRWrapper> _srs = new List<SRWrapper>();
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public GetHeartbeatSRsAction(Pool pool)
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: base(pool.Connection, string.Format(Messages.HA_SCANNING_SRS,
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Helpers.GetName(pool.Connection).Ellipsise(50)), null, true)
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{
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}
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public List<SRWrapper> SRs
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{
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get
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{
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return _srs;
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}
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}
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public override void RecomputeCanCancel()
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{
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// Do nothing
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}
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protected override void Run()
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{
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this.CanCancel = true;
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List<SR> SRs = new List<SR>(Connection.Cache.SRs);
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if (SRs.Count == 0)
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return;
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double increment = 100.0 / SRs.Count;
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foreach (SR sr in SRs)
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{
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try
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{
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if (!sr.shared || sr.IsToolsSR())
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{
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// SR is unsuitable for heartbeating
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continue;
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}
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RelatedTask = XenAPI.SR.async_assert_can_host_ha_statefile(this.Session, sr.opaque_ref);
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this.PollToCompletion(this.PercentComplete, (int)(this.PercentComplete + increment));
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_srs.Add(new SRWrapper(true, null, sr));
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if (Cancelling)
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throw new CancelledException();
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}
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catch (Failure f)
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{
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string reason;
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if (f.ErrorDescription.Count > 0 && f.ErrorDescription[0] == Failure.SR_HAS_NO_PBDS)
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{
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reason = Messages.SR_DETACHED;
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}
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else if (f.ErrorDescription[0] == Failure.RBAC_PERMISSION_DENIED)
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{
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// we just want to the first line, not the gorey details
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reason = f.Message.Split('\n')[0];
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}
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else
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{
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reason = f.Message;
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}
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_srs.Add(new SRWrapper(false, reason, sr));
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}
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}
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}
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}
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public class SRWrapper
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{
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public readonly bool enabled;
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public readonly SR sr;
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public readonly string ReasonUnsuitable;
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internal SRWrapper(bool enabled, string reasonUnsuitable, SR sr)
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{
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this.enabled = enabled;
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this.sr = sr;
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this.ReasonUnsuitable = reasonUnsuitable;
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}
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}
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}
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