/* Copyright (c) Citrix Systems, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, * with or without modification, are permitted provided * that the following conditions are met: * * * Redistributions of source code must retain the above * copyright notice, this list of conditions and the * following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the * following disclaimer in the documentation and/or other * materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ using System; using XenAdmin.Core; using XenAPI; using System.Collections.Generic; namespace XenAdmin.Actions { public enum SrActionKind { SetAsDefault, Detach, Forget, Destroy, UnplugAndDestroyPBDs, ConvertToThin }; public class SrAction : PureAsyncAction { private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType); private readonly SrActionKind kind; private readonly Dictionary parameters; public SrAction(SrActionKind kind, SR sr) : base(sr.Connection, GetTitle(kind, sr)) { this.kind = kind; this.SR = sr; Pool pool = Helpers.GetPoolOfOne(sr.Connection); if (pool != null) Pool = pool; Host host = sr.GetStorageHost(); if (host != null) Host = host; } public SrAction(SrActionKind kind, SR sr, Dictionary parameters) : this(kind, sr) { this.parameters = parameters; } private static String GetTitle(SrActionKind kind, SR sr) { switch (kind) { case SrActionKind.SetAsDefault: return String.Format(Messages.ACTION_SR_SETTING_DEFAULT, sr.Name, Helpers.GetName(sr.Connection)); case SrActionKind.Detach: case SrActionKind.UnplugAndDestroyPBDs: return String.Format(Messages.ACTION_SR_DETACHING, sr.Name, Helpers.GetName(sr.Connection)); case SrActionKind.Destroy: return String.Format(Messages.ACTION_SR_DESTROYING, sr.Name, Helpers.GetName(sr.Connection)); case SrActionKind.Forget: return String.Format(Messages.ACTION_SR_FORGETTING, sr.Name, Helpers.GetName(sr.Connection)); case SrActionKind.ConvertToThin: return String.Format(Messages.ACTION_SR_CONVERT_TO_THIN, sr.NameWithLocation); } return ""; } protected override void Run() { log.DebugFormat("Running SrActionKind.{0}", kind.ToString()); int inc = SR.PBDs.Count > 0 ? 100 / (SR.PBDs.Count * 2) : 0; switch (kind) { case SrActionKind.Detach: UnplugPBDs(ref inc); Description = string.Format(Messages.ACTION_SR_DETACH_SUCCESSFUL, SR.NameWithoutHost); break; case SrActionKind.Destroy: if (!Helpers.TampaOrGreater(Connection)) UnplugPBDs(ref inc); RelatedTask = XenAPI.SR.async_destroy(Session, SR.opaque_ref); PollToCompletion(50, 100); Description = Messages.ACTION_SR_DESTROY_SUCCESSFUL; break; case SrActionKind.Forget: Description = string.Format(Messages.FORGETTING_SR_0, SR.NameWithoutHost); if (!Helpers.TampaOrGreater(Connection) && !SR.IsDetached && SR.IsDetachable()) UnplugPBDs(ref inc); if (!SR.allowed_operations.Contains(storage_operations.forget)) { Description = Messages.ERROR_DIALOG_FORGET_SR_TITLE; break; } RelatedTask = XenAPI.SR.async_forget(Session, SR.opaque_ref); PollToCompletion(); Description = string.Format(Messages.SR_FORGOTTEN_0, SR.NameWithoutHost); break; case SrActionKind.SetAsDefault: XenRef r = new XenRef(SR); Pool = Helpers.GetPoolOfOne(Connection); Description = string.Format(Messages.ACTION_SR_SETTING_DEFAULT, SR, Pool); Pool poolCopy = (Pool)Pool.Clone(); if (Pool != null) { poolCopy.crash_dump_SR = r; poolCopy.default_SR = r; poolCopy.suspend_image_SR = r; try { Pool.Locked = true; poolCopy.SaveChanges(Session); } finally { Pool.Locked = false; } } Description = Messages.ACTION_SR_SET_DEFAULT_SUCCESSFUL; break; case SrActionKind.UnplugAndDestroyPBDs: UnplugPBDs(ref inc); DestroyPBDs(ref inc); Description = string.Format(Messages.ACTION_SR_DETACH_SUCCESSFUL, SR.NameWithoutHost); break; case SrActionKind.ConvertToThin: Description = string.Format(Messages.ACTION_SR_CONVERTING_TO_THIN, SR.NameWithLocation); long initial_allocation = 0; long allocation_quantum = 0; if (parameters != null) { if (parameters.ContainsKey("initial_allocation")) long.TryParse(parameters["initial_allocation"], out initial_allocation); if (parameters.ContainsKey("allocation_quantum")) long.TryParse(parameters["allocation_quantum"], out allocation_quantum); } LVHD.enable_thin_provisioning(Session, Host.opaque_ref, SR.opaque_ref, initial_allocation, allocation_quantum); Description = string.Format(Messages.ACTION_SR_CONVERTED_TO_THIN, SR.NameWithLocation); break; } } private void UnplugPBDs(ref int inc) { if (SR.PBDs.Count < 1) return; //CA-176935, CA-173497 - we need to run Unplug for the master last - creating a new list of hosts where the master is always the last var allPBDRefsToNonMaster = new List>(); var allPBDRefsToMaster = new List>(); var master = Helpers.GetMaster(Connection); foreach (var pbdRef in SR.PBDs) { var pbd = Connection.Resolve(pbdRef); if (pbd != null) { if (pbd.host != null) { var host = Connection.Resolve(pbd.host); if (master != null && host != null && host.uuid == master.uuid) { allPBDRefsToMaster.Add(pbdRef); } else { allPBDRefsToNonMaster.Add(pbdRef); } } } } var allPBDRefs = new List>(); allPBDRefs.AddRange(allPBDRefsToNonMaster); allPBDRefs.AddRange(allPBDRefsToMaster); foreach (XenRef pbd in allPBDRefs) { RelatedTask = PBD.async_unplug(Session, pbd.opaque_ref); PollToCompletion(PercentComplete, PercentComplete + inc); } } private void DestroyPBDs(ref int inc) { if (SR.PBDs.Count < 1) return; foreach (XenRef pbd in SR.PBDs) { RelatedTask = PBD.async_destroy(Session, pbd.opaque_ref); PollToCompletion(PercentComplete, PercentComplete + inc); } } } }