private static bool PatchCanBeInstalledOnHost(XenServerPatch serverPatch, Host host)
{
Debug.Assert(serverPatch != null);
Debug.Assert(host != null);
// A patch is applicable to host if the patch is amongst the current version patches
var patchIsApplicable = GetServerVersions(host, XenServerVersions).Any(v => v.Patches.Contains(serverPatch));
if (!patchIsApplicable)
{
return(false);
}
// A patch can be installed on a host if:
// 1. it is not already installed and
// 2. the host has all the required patches installed and
// 3. the host doesn't have any of the conflicting patches installed
bool elyOrGreater = Helpers.ElyOrGreater(host);
var appliedUpdates = host.AppliedUpdates();
var appliedPatches = host.AppliedPatches();
// 1. patch is not already installed
if (elyOrGreater && appliedUpdates.Any(update => string.Equals(update.uuid, serverPatch.Uuid, StringComparison.OrdinalIgnoreCase)))
{
return(false);
}
if (!elyOrGreater && appliedPatches.Any(patch => string.Equals(patch.uuid, serverPatch.Uuid, StringComparison.OrdinalIgnoreCase)))
{
return(false);
}
// 2. the host has all the required patches installed
if (serverPatch.RequiredPatches != null && serverPatch.RequiredPatches.Count > 0 &&
!serverPatch.RequiredPatches
.All(requiredPatchUuid =>
elyOrGreater && appliedUpdates.Any(update => string.Equals(update.uuid, requiredPatchUuid, StringComparison.OrdinalIgnoreCase)) ||
!elyOrGreater && appliedPatches.Any(patch => string.Equals(patch.uuid, requiredPatchUuid, StringComparison.OrdinalIgnoreCase))
)
)
{
return(false);
}
// 3. the host doesn't have any of the conflicting patches installed
if (serverPatch.ConflictingPatches != null && serverPatch.ConflictingPatches.Count > 0 &&
serverPatch.ConflictingPatches
.Any(conflictingPatchUuid =>
elyOrGreater && appliedUpdates.Any(update => string.Equals(update.uuid, conflictingPatchUuid, StringComparison.OrdinalIgnoreCase)) ||
!elyOrGreater && appliedPatches.Any(patch => string.Equals(patch.uuid, conflictingPatchUuid, StringComparison.OrdinalIgnoreCase))
)
)
{
return(false);
}
return(true);
}
private static bool PatchCanBeInstalledOnHost(XenServerPatch serverPatch, Host host, XenServerVersion patchApplicableVersion)
{
Debug.Assert(serverPatch != null);
Debug.Assert(host != null);
if (Helpers.productVersionCompare(patchApplicableVersion.Version.ToString(), host.ProductVersion()) != 0)
{
return(false);
}
// A patch can be installed on a host if:
// 1. it is not already installed and
// 2. the host has all the required patches installed and
// 3. the host doesn't have any of the conflicting patches installed
bool elyOrGreater = Helpers.ElyOrGreater(host);
var appliedUpdates = host.AppliedUpdates();
var appliedPatches = host.AppliedPatches();
// 1. patch is not already installed
if (elyOrGreater && appliedUpdates.Any(update => string.Equals(update.uuid, serverPatch.Uuid, StringComparison.OrdinalIgnoreCase)))
{
return(false);
}
if (!elyOrGreater && appliedPatches.Any(patch => string.Equals(patch.uuid, serverPatch.Uuid, StringComparison.OrdinalIgnoreCase)))
{
return(false);
}
// 2. the host has all the required patches installed
if (serverPatch.RequiredPatches != null && serverPatch.RequiredPatches.Count > 0 &&
!serverPatch.RequiredPatches
.All(requiredPatchUuid =>
elyOrGreater && appliedUpdates.Any(update => string.Equals(update.uuid, requiredPatchUuid, StringComparison.OrdinalIgnoreCase)) ||
!elyOrGreater && appliedPatches.Any(patch => string.Equals(patch.uuid, requiredPatchUuid, StringComparison.OrdinalIgnoreCase))
)
)
{
return(false);
}
// 3. the host doesn't have any of the conflicting patches installed
if (serverPatch.ConflictingPatches != null && serverPatch.ConflictingPatches.Count > 0 &&
serverPatch.ConflictingPatches
.Any(conflictingPatchUuid =>
elyOrGreater && appliedUpdates.Any(update => string.Equals(update.uuid, conflictingPatchUuid, StringComparison.OrdinalIgnoreCase)) ||
!elyOrGreater && appliedPatches.Any(patch => string.Equals(patch.uuid, conflictingPatchUuid, StringComparison.OrdinalIgnoreCase))
)
)
{
return(false);
}
return(true);
}
public static List <XenServerPatchAlert> NewXenServerPatchAlerts(List <XenServerVersion> xenServerVersions,
List <XenServerPatch> xenServerPatches)
{
if (Helpers.CommonCriteriaCertificationRelease)
{
return(null);
}
var alerts = new List <XenServerPatchAlert>();
foreach (IXenConnection xenConnection in ConnectionsManager.XenConnectionsCopy)
{
Host master = Helpers.GetMaster(xenConnection);
Pool pool = Helpers.GetPoolOfOne(xenConnection);
List <Host> hosts = xenConnection.Cache.Hosts.ToList();
if (master == null || pool == null)
{
continue;
}
var serverVersions = xenServerVersions.FindAll(version =>
{
if (version.BuildNumber != string.Empty)
{
return(master.BuildNumberRaw == version.BuildNumber);
}
return(Helpers.HostProductVersionWithOEM(master) == version.VersionAndOEM ||
(version.Oem != null && Helpers.OEMName(master).StartsWith(version.Oem) &&
Helpers.HostProductVersion(master) == version.Version.ToString()));
});
if (serverVersions.Count == 0)
{
continue;
}
foreach (XenServerVersion xenServerVersion in serverVersions)
{
XenServerVersion version = xenServerVersion;
List <XenServerPatch> patches = xenServerPatches.FindAll(patch => version.Patches.Contains(patch));
if (patches.Count == 0)
{
continue;
}
foreach (XenServerPatch xenServerPatch in patches)
{
var alert = new XenServerPatchAlert(xenServerPatch);
var existingAlert = alerts.Find(al => al.Equals(alert));
if (existingAlert != null)
{
alert = existingAlert;
}
else
{
alerts.Add(alert);
}
if (!xenConnection.IsConnected)
{
continue;
}
XenServerPatch serverPatch = xenServerPatch;
// A patch can be installed on a host if:
// 1. it is not already installed and
// 2. the host has all the required patches installed and
// 3. the host doesn't have any of the conflicting patches installed
var noPatchHosts = hosts.Where(host =>
{
var appliedPatches = host.AppliedPatches();
// 1. patch is not already installed
if (appliedPatches.Any(patch => patch.uuid == serverPatch.Uuid))
{
return(false);
}
// 2. the host has all the required patches installed
if (serverPatch.RequiredPatches != null && serverPatch.RequiredPatches.Count > 0 &&
!serverPatch.RequiredPatches.All(requiredPatchUuid => appliedPatches.Any(patch => patch.uuid == requiredPatchUuid)))
{
return(false);
}
// 3. the host doesn't have any of the conflicting patches installed
if (serverPatch.ConflictingPatches != null && serverPatch.ConflictingPatches.Count > 0 &&
serverPatch.ConflictingPatches.Any(conflictingPatchUuid => appliedPatches.Any(patch => patch.uuid == conflictingPatchUuid)))
{
return(false);
}
return(true);
});
if (noPatchHosts.Count() == hosts.Count)
{
alert.IncludeConnection(xenConnection);
}
else
{
alert.IncludeHosts(noPatchHosts);
}
}
}
}
return(alerts);
}
public static List <XenServerPatchAlert> NewXenServerPatchAlerts(List <XenServerVersion> xenServerVersions,
List <XenServerPatch> xenServerPatches)
{
if (Helpers.CommonCriteriaCertificationRelease)
{
return(null);
}
var alerts = new List <XenServerPatchAlert>();
var xenServerVersionsAsUpdates = xenServerVersions.Where(v => v.IsVersionAvailableAsAnUpdate);
foreach (IXenConnection xenConnection in ConnectionsManager.XenConnectionsCopy)
{
Host master = Helpers.GetMaster(xenConnection);
Pool pool = Helpers.GetPoolOfOne(xenConnection);
List <Host> hosts = xenConnection.Cache.Hosts.ToList();
if (master == null || pool == null)
{
continue;
}
var serverVersions = new List <XenServerVersion>();
foreach (Host host in hosts)
{
var serverVersion = GetServerVersions(host, xenServerVersions);
serverVersions.AddRange(serverVersion);
}
serverVersions = serverVersions.Distinct().ToList();
if (serverVersions.Count == 0)
{
continue;
}
foreach (XenServerVersion xenServerVersion in serverVersions)
{
XenServerVersion version = xenServerVersion;
List <XenServerPatch> patches = xenServerPatches.FindAll(patch => version.Patches.Contains(patch));
if (patches.Count == 0)
{
continue;
}
foreach (XenServerPatch xenServerPatch in patches)
{
XenServerVersion newServerVersion = xenServerVersionsAsUpdates.FirstOrDefault(newVersion => newVersion.PatchUuid.Equals(xenServerPatch.Uuid, StringComparison.OrdinalIgnoreCase));
var alert = new XenServerPatchAlert(xenServerPatch, newServerVersion);
var existingAlert = alerts.Find(al => al.Equals(alert));
if (existingAlert != null)
{
alert = existingAlert;
}
else
{
alerts.Add(alert);
}
if (!xenConnection.IsConnected)
{
continue;
}
XenServerPatch serverPatch = xenServerPatch;
var noPatchHosts = hosts.Where(host => PatchCanBeInstalledOnHost(serverPatch, host, version));
if (noPatchHosts.Count() == hosts.Count)
{
alert.IncludeConnection(xenConnection);
}
else
{
alert.IncludeHosts(noPatchHosts);
}
}
}
}
return(alerts);
}
private static List <XenServerPatchAlert> GetServerPatchesAlerts(List <XenServerVersion> xenServerVersions,
List <XenServerPatch> xenServerPatches, bool checkAlertIsAlreadyDismissed)
{
List <XenServerPatchAlert> alerts = new List <XenServerPatchAlert>();
foreach (IXenConnection xenConnection in ConnectionsManager.XenConnectionsCopy)
{
Host master = Helpers.GetMaster(xenConnection);
Pool pool = Helpers.GetPoolOfOne(xenConnection);
List <Host> hosts = xenConnection.Cache.Hosts.ToList();
if (master == null || pool == null)
{
continue;
}
List <XenServerVersion> serverVersions =
xenServerVersions.FindAll(version =>
{
if (version.BuildNumber != string.Empty)
{
return(master.BuildNumberRaw == version.BuildNumber);
}
return(Helpers.HostProductVersionWithOEM(master) == version.VersionAndOEM ||
(version.Oem != null && Helpers.OEMName(master).StartsWith(version.Oem) &&
Helpers.HostProductVersion(master) == version.Version.ToString()));
});
if (serverVersions.Count == 0)
{
continue;
}
foreach (XenServerVersion xenServerVersion in serverVersions)
{
XenServerVersion version = xenServerVersion;
List <XenServerPatch> patches = xenServerPatches.FindAll(patch => version.Patches.Contains(patch));
if (patches.Count == 0)
{
continue;
}
foreach (XenServerPatch xenServerPatch in patches)
{
XenServerPatchAlert alert = GetServerPatchAlert(alerts, xenServerPatch);
if (checkAlertIsAlreadyDismissed && pool.other_config.ContainsKey(IgnorePatchAction.IgnorePatchKey))
{
List <string> ignorelist =
new List <string>(pool.other_config[IgnorePatchAction.IgnorePatchKey].Split(','));
if (ignorelist.Contains(xenServerPatch.Uuid))
{
// we dont want to show the alert
continue;
}
}
XenServerPatch serverPatch = xenServerPatch;
List <Host> noPatchHosts =
hosts.Where(host => !host.AppliedPatches().Any(patch => patch.uuid == serverPatch.Uuid)).ToList();
if (noPatchHosts.Count == hosts.Count)
{
alert.IncludeConnection(xenConnection);
}
else
{
alert.IncludeHosts(noPatchHosts);
}
}
}
}
return(alerts);
}
private static XenServerPatchAlert GetServerPatchAlert(List <XenServerPatchAlert> alerts, XenServerPatch patch)
{
XenServerPatchAlert alert = new XenServerPatchAlert(patch);
XenServerPatchAlert existingAlert = alerts.Find(al => al.Equals(alert));
if (existingAlert != null)
{
alert = existingAlert;
}
else
{
alerts.Add(alert);
}
return(alert);
}