XenAdmin.Wizards.PatchingWizard.PatchingWizard_PrecheckPage.GenerateChecks C# (CSharp) Method

        protected virtual List<KeyValuePair<string, List<Check>>> GenerateChecks(Pool_patch patch)
        {
            List<KeyValuePair<string, List<Check>>> checks = GenerateCommonChecks();

            List<Check> checkGroup;

            //Checking other things
            if (patch != null)
            {
                checks.Add(new KeyValuePair<string, List<Check>>(Messages.CHECKING_SERVER_SIDE_STATUS, new List<Check>()));
                checkGroup = checks[checks.Count - 1].Value;
                foreach (Host host in SelectedServers)
                {
                    List<Pool_patch> poolPatches = new List<Pool_patch>(host.Connection.Cache.Pool_patches);
                    Pool_patch poolPatchFromHost = poolPatches.Find(otherPatch => string.Equals(otherPatch.uuid, patch.uuid, StringComparison.OrdinalIgnoreCase));
                    checkGroup.Add(new PatchPrecheckCheck(host, poolPatchFromHost, LivePatchCodesByHost));
                }
            }

            //Checking if the host needs a reboot
            if (!IsInAutomatedUpdatesMode)
            {
                checks.Add(new KeyValuePair<string, List<Check>>(Messages.CHECKING_SERVER_NEEDS_REBOOT, new List<Check>()));
                checkGroup = checks[checks.Count - 1].Value;
                var guidance = patch != null
                    ? patch.after_apply_guidance
                    : new List<after_apply_guidance> {after_apply_guidance.restartHost};
                foreach (var host in SelectedServers)
                {
                    checkGroup.Add(new HostNeedsRebootCheck(host, guidance, LivePatchCodesByHost));
                }
            }

            //Checking can evacuate host
            //CA-97061 - evacuate host -> suspended VMs. This is only needed for restartHost
            //Also include this check for the supplemental packs (patch == null), as their guidance is restartHost
            if (patch == null || patch.after_apply_guidance.Contains(after_apply_guidance.restartHost))
            {
                checks.Add(new KeyValuePair<string, List<Check>>(Messages.CHECKING_CANEVACUATE_STATUS, new List<Check>()));
                checkGroup = checks[checks.Count - 1].Value;
                foreach (Host host in SelectedServers)
                {
                    checkGroup.Add(new AssertCanEvacuateCheck(host, LivePatchCodesByHost));
                }
            }

            return checks;
        }