mirror of
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401 lines
16 KiB
C#
401 lines
16 KiB
C#
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/* Copyright (c) Citrix Systems Inc.
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* All rights reserved.
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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 System.Linq;
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using System.Text;
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using XenAPI;
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using XenAdmin.Core;
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using XenAdmin.Model;
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using XenAdmin.Network;
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namespace XenAdmin.Actions
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{
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public class CreateBondAction : AsyncAction
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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 class NewBond
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{
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internal NewBond(Bond bond, PIF master, List<PIF> slaves)
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{
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this.bond = bond;
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this.master = master;
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this.slaves = slaves;
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}
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internal Bond bond;
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internal PIF master;
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internal List<PIF> slaves;
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}
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private readonly string name_label;
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private readonly bool autoplug;
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private readonly long mtu;
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private readonly bond_mode bondMode;
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private readonly Dictionary<Host, List<PIF>> PIFs = new Dictionary<Host, List<PIF>>();
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private readonly bool bostonOrGreater; // in Boston, most network configuration is done automatically by xapi (PR-1006)
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private readonly bool tampaOrGreater;
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private readonly Host Master;
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private readonly Bond.hashing_algoritm hashingAlgoritm;
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/// <param name="name_label">The name for the new network.</param>
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/// <param name="PIFs_on_master">The PIFs on the master representing the physical NICs that are to be bonded together.</param>
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/// <param name="autoplug">Whether the new network is marked AutoPlug.</param>
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/// <param name="mtu">The MTU for the Bond, ignored for pre cowley</param>
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/// <param name="bondMode">The bond mode, ignored for pre-Boston</param>
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public CreateBondAction(IXenConnection connection, string name_label, List<PIF> PIFs_on_master, bool autoplug, long mtu, bond_mode bondMode,
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Bond.hashing_algoritm hashingAlgoritm)
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: base(connection, string.Format(Messages.ACTION_CREATE_BOND_TITLE, name_label),
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string.Format(Messages.ACTION_CREATE_BOND_DESCRIPTION, name_label))
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{
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this.name_label = name_label;
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this.autoplug = autoplug;
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this.mtu = mtu;
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this.bondMode = bondMode;
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this.hashingAlgoritm = hashingAlgoritm;
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Pool = Helpers.GetPoolOfOne(Connection);
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if (Pool == null)
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throw new Failure(Failure.INTERNAL_ERROR, "Pool has gone away");
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Master = Connection.Resolve(Pool.master);
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if (Master == null)
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throw new Failure(Failure.INTERNAL_ERROR, "Pool master has gone away");
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bostonOrGreater = Helpers.BostonOrGreater(connection);
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tampaOrGreater = Helpers.TampaOrGreater(connection);
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foreach (Host host in Connection.Cache.Hosts)
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AppliesTo.Add(host.opaque_ref);
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#region RBAC Dependencies
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ApiMethodsToRoleCheck.Add("host.management_reconfigure");
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ApiMethodsToRoleCheck.Add("network.create");
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ApiMethodsToRoleCheck.Add("network.destroy");
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ApiMethodsToRoleCheck.Add("network.remove_from_other_config");
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ApiMethodsToRoleCheck.Add("pif.reconfigure_ip");
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ApiMethodsToRoleCheck.Add("pif.plug");
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ApiMethodsToRoleCheck.Add("bond.create");
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ApiMethodsToRoleCheck.Add("bond.destroy");
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ApiMethodsToRoleCheck.AddRange(XenAPI.Role.CommonSessionApiList);
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ApiMethodsToRoleCheck.AddRange(XenAPI.Role.CommonTaskApiList);
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#endregion
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PIFs = NetworkingHelper.PIFsOnAllHosts(PIFs_on_master);
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// these locks will be cleared in clean()
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foreach (List<PIF> pifs in PIFs.Values)
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{
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foreach (PIF pif in pifs)
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{
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pif.Locked = true;
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}
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}
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}
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private List<NewBond> new_bonds;
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private XenAPI.Network network;
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protected override void Run()
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{
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// the network lock and the connection.expectDisruption will be cleared in clean()
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new_bonds = new List<NewBond>();
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network = null;
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Connection.ExpectDisruption = true;
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int inc = 100 / (Connection.Cache.HostCount * 3 + 1);
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string network_ref = CreateNetwork(0, inc);
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try
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{
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network = Connection.WaitForCache(new XenRef<XenAPI.Network>(network_ref));
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network.Locked = true;
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XenAPI.Network.remove_from_other_config(Session, network_ref, XenAPI.Network.CREATE_IN_PROGRESS);
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int lo = inc;
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foreach (Host host in GetHostsMasterLast())
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{
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List<PIF> pifs = PIFs[host].FindAll(x => x.physical).ToList();
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List<XenRef<PIF>> pif_refs = new List<XenRef<PIF>>();
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foreach (PIF pif in pifs)
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{
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pif_refs.Add(new XenRef<PIF>(pif.opaque_ref));
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}
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log.DebugFormat("Creating bond on {0} with {1} PIFs...", Helpers.GetName(host), pifs.Count);
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Dictionary<string, string> bondProperties = new Dictionary<string, string>();
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if (bondMode == bond_mode.lacp)
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bondProperties.Add("hashing_algorithm", Bond.HashingAlgoritmToString(hashingAlgoritm));
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RelatedTask = tampaOrGreater ?
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Bond.async_create(Session, network_ref, pif_refs, "", bondMode, bondProperties) :
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bostonOrGreater ?
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Bond.async_create(Session, network_ref, pif_refs, "", bondMode) :
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Bond.async_create(Session, network_ref, pif_refs, "");
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PollToCompletion(lo, lo + inc);
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lo += inc;
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log.DebugFormat("Creating bond on {0} done: bond is {1}.", Helpers.GetName(host), Result);
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Bond new_bond = Connection.WaitForCache(new XenRef<Bond>(Result));
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if (new_bond == null)
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throw new Failure(Failure.INTERNAL_ERROR, "Bond didn't appear in our cache!");
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PIF new_master = Connection.Resolve(new_bond.master);
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if (new_master == null)
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throw new Failure(Failure.INTERNAL_ERROR, "Bond master didn't appear in our cache!");
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new_bonds.Add(new NewBond(new_bond, new_master, pifs));
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new_bond.Locked = true;
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new_master.Locked = true;
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}
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foreach (NewBond new_bond in new_bonds)
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{
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lo += inc;
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ReconfigureManagementInterfaces(new_bond.slaves, new_bond.master, lo);
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}
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foreach (NewBond new_bond in new_bonds)
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{
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lo += inc;
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if (!bostonOrGreater)
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NetworkingActionHelpers.Plug(this, new_bond.master, lo);
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}
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}
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catch (Exception)
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{
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foreach (NewBond new_bond in new_bonds)
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{
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RevertManagementInterfaces(new_bond);
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DestroyBond(new_bond.bond);
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}
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DestroyNetwork(network_ref);
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throw;
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}
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Description = string.Format(Messages.ACTION_CREATE_BOND_DONE, name_label);
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}
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private List<Host> GetHostsMasterLast()
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{
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List<Host> result = new List<Host>(Connection.Cache.Hosts);
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result.Remove(Master);
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result.Add(Master);
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return result;
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}
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/// <summary>
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/// Nothrow guarantee.
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/// </summary>
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/// <param name="network"></param>
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/// <param name="new_bonds"></param>
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private void UnlockAll(XenAPI.Network network, List<NewBond> new_bonds)
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{
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if (network != null)
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{
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network.Locked = false;
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foreach (NewBond newbond in new_bonds)
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{
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newbond.master.Locked = false;
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newbond.bond.Locked = false;
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}
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}
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foreach (Host host in PIFs.Keys)
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{
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foreach (PIF pif in PIFs[host])
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{
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pif.Locked = false;
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}
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}
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}
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private void ReconfigureManagementInterfaces(List<PIF> slaves, PIF new_master, int hi)
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{
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int lo = PercentComplete;
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int inc = (hi - lo) / slaves.Count;
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foreach (PIF pif in slaves)
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{
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lo += inc;
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// In Boston and later, the only thing we need to do is move the ManagementPurpose
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// (= management interface name) to the bond (see PR-1006/CP-2059).
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if (bostonOrGreater)
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{
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NetworkingActionHelpers.MoveManagementInterfaceName(this, pif, new_master);
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}
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else if (pif.management)
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{
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log.DebugFormat("Moving primary management interface to {0}...", pif.uuid);
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NetworkingActionHelpers.ReconfigureSinglePrimaryManagement(this, pif, new_master, lo);
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log.DebugFormat("Moving primary management interface to {0} done.", pif.uuid);
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}
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else if (pif.IsSecondaryManagementInterface(true))
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{
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log.DebugFormat("Moving secondary management interface to {0}...", pif.uuid);
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ReconfigureSecondaryManagement(pif, new_master, lo);
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log.DebugFormat("Moving secondary management interface to {0} done.", pif.uuid);
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}
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}
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}
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private void ReconfigureSecondaryManagement(PIF src, PIF dest, int hi)
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{
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System.Diagnostics.Trace.Assert(!bostonOrGreater);
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int mid = (PercentComplete + hi) / 2;
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PIF new_dest = NetworkingHelper.CopyIPConfig(src, dest);
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NetworkingActionHelpers.BringDown(this, src, mid);
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NetworkingActionHelpers.BringUp(this, new_dest, dest, hi);
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}
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/// <summary>
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/// Nothrow guarantee.
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/// </summary>
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/// <param name="slaves"></param>
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/// <param name="master"></param>
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private void RevertManagementInterfaces(NewBond new_bond)
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{
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List<PIF> slaves = new_bond.slaves;
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PIF master = new_bond.master;
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Bond bond = new_bond.bond;
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PIF slave = Connection.Resolve(bond.primary_slave);
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if (slave == null)
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{
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if (slaves.Count == 0)
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return;
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slave = slaves[0];
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}
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try
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{
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if (bostonOrGreater)
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{
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NetworkingActionHelpers.MoveManagementInterfaceName(this, master, slave);
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}
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else if (master.management)
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{
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log.DebugFormat("Reverting primary management interface change for {0} as part of cleanup...", master.uuid);
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NetworkingActionHelpers.ReconfigurePrimaryManagement(this, master, slave, PercentComplete);
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log.DebugFormat("Reverting primary management interface change for {0} as part of cleanup done.", master.uuid);
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}
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else if (master.IsSecondaryManagementInterface(true))
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{
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log.DebugFormat("Reverting secondary management interface change for {0} as part of cleanup...", master.uuid);
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ReconfigureSecondaryManagement(master, slave, PercentComplete);
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log.DebugFormat("Reverting secondary management interface change for {0} as part of cleanup done.", master.uuid);
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}
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}
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catch (Exception exn)
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{
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log.Warn(exn, exn);
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}
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}
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string CreateNetwork(int lo, int hi)
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{
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log.DebugFormat("Creating network {0}...", name_label);
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XenAPI.Network network = new XenAPI.Network();
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network.name_label = name_label;
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network.AutoPlug = autoplug;
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if (Helpers.CowleyOrGreater(Connection))
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network.MTU = mtu;
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if (network.other_config == null)
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network.other_config = new Dictionary<string, string>();
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network.other_config[XenAPI.Network.CREATE_IN_PROGRESS] = "true";
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RelatedTask = XenAPI.Network.async_create(Session, network);
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PollToCompletion(lo, hi);
|
|||
|
|
|
|||
|
|
log.DebugFormat("Created network {0} as {1}.", name_label, Result);
|
|||
|
|
|
|||
|
|
return Result;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Nothrow guarantee.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="network"></param>
|
|||
|
|
private void DestroyNetwork(string network)
|
|||
|
|
{
|
|||
|
|
log.DebugFormat("Destroying network {0} as part of cleanup...", network);
|
|||
|
|
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
XenAPI.Network.destroy(Session, network);
|
|||
|
|
}
|
|||
|
|
catch (Exception exn)
|
|||
|
|
{
|
|||
|
|
log.Warn(exn, exn);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
log.DebugFormat("Destroying network {0} as part of cleanup done.", network);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Nothrow guarantee.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="bond"></param>
|
|||
|
|
private void DestroyBond(Bond bond)
|
|||
|
|
{
|
|||
|
|
log.DebugFormat("Destroying bond {0} as part of cleanup...", bond.uuid);
|
|||
|
|
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
XenAPI.Bond.destroy(Session, bond.opaque_ref);
|
|||
|
|
}
|
|||
|
|
catch (Exception exn)
|
|||
|
|
{
|
|||
|
|
log.Warn(exn, exn);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
log.DebugFormat("Destroying bond {0} as part of cleanup done.", bond.uuid);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
protected override void Clean()
|
|||
|
|
{
|
|||
|
|
Connection.ExpectDisruption = false;
|
|||
|
|
UnlockAll(network, new_bonds);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|