示例#1
0
        private static ClusterTopology GetEnvironmentTopology()
        {
            string machineInfoFile = Path.Combine(APRuntime.DataDirectory, StringConstants.MachineInfoFileName);

            List <InfrastructureNodeType> serviceFabricNodes = new List <InfrastructureNodeType>();

            using (CsvReader reader = new CsvReader(machineInfoFile))
            {
                while (reader.Read())
                {
                    var serviceFabricNode = new InfrastructureNodeType()
                    {
                        NodeName = reader["MachineName"],
                        // Note that NodeTypeRef and RoleOrTierName are provided due to XML schema of infrastructure manifest.
                        NodeTypeRef     = reader["MachineFunction"],
                        RoleOrTierName  = reader["MachineFunction"],
                        IPAddressOrFQDN = reader["MachineName"],
                        UpgradeDomain   = reader["ScaleUnit"],
                        FaultDomain     = string.Format(CultureInfo.InvariantCulture, "fd:/{0}", reader["PodName"])
                    };

                    serviceFabricNodes.Add(serviceFabricNode);
                }
            };

            return(new ClusterTopology
            {
                ServiceFabricNodes = serviceFabricNodes,

                CurrentNodeName = string.Empty
            });
        }
示例#2
0
        internal static ClusterTopology GetClusterTopologyFromServiceRuntime(LocalNodeConfiguration localWindowsFabricNode)
        {
            List <InfrastructureNodeType> windowsFabricNodes = new List <InfrastructureNodeType>();

            int applicationPortCount = localWindowsFabricNode.ApplicationEndPort - localWindowsFabricNode.ApplicationStartPort + 1;
            Dictionary <string, WindowsFabricEndpointSet> roleNameToEndpointSetMap = GetRoleNameToEndpointSetMap(applicationPortCount);
            WindowsFabricEndpointSet currentRoleEndpointSet = roleNameToEndpointSetMap[RoleEnvironment.CurrentRoleInstance.Role.Name];

            foreach (KeyValuePair <string, Role> role in RoleEnvironment.Roles)
            {
                foreach (RoleInstance roleInstance in role.Value.Instances.Where(instance => IsWindowsFabricRoleInstance(instance)))
                {
                    var roleEndpointSet         = roleNameToEndpointSetMap[roleInstance.Role.Name];
                    InfrastructureNodeType node = new InfrastructureNodeType()
                    {
                        NodeName = GetNodeName(roleInstance),

                        UpgradeDomain = roleInstance.UpdateDomain.ToString(CultureInfo.InvariantCulture),

                        FaultDomain = string.Format(CultureInfo.InvariantCulture, WindowsFabricAzureWrapperServiceCommon.FaultDomainTemplate, roleInstance.FaultDomain),

                        IPAddressOrFQDN = GetRoleInstanceHostIPAddress(roleInstance).ToString(),

                        RoleOrTierName = roleInstance.Role.Name,

                        // The following two entries are unknown at this time and will be populated by FabricDeployer based on cluster manifest
                        NodeTypeRef = string.Empty,

                        IsSeedNode = false,

                        Endpoints = new FabricEndpointsType()
                        {
                            ClientConnectionEndpoint       = roleEndpointSet.ClientConnectionEndpoint ?? currentRoleEndpointSet.ClientConnectionEndpoint,
                            HttpGatewayEndpoint            = roleEndpointSet.HttpGatewayEndpoint ?? currentRoleEndpointSet.HttpGatewayEndpoint,
                            HttpApplicationGatewayEndpoint = roleEndpointSet.HttpApplicationGatewayEndpoint ?? currentRoleEndpointSet.HttpApplicationGatewayEndpoint,
                            ClusterConnectionEndpoint      = roleEndpointSet.ClusterConnectionEndpoint,
                            LeaseDriverEndpoint            = roleEndpointSet.LeaseDriverEndpoint,
                            ApplicationEndpoints           = roleEndpointSet.ApplicationEndpoints,
                        }
                    };

                    windowsFabricNodes.Add(node);
                }
            }

            // node list is always ordered by node name
            windowsFabricNodes.Sort(CompareNodeByName);

            return(new ClusterTopology
            {
                WindowsFabricNodes = windowsFabricNodes,

                CurrentNodeName = GetNodeName(RoleEnvironment.CurrentRoleInstance),

                CurrentNodeIPAddressOrFQDN = GetRoleInstanceHostIPAddress(RoleEnvironment.CurrentRoleInstance).ToString(),
            });
        }
示例#3
0
        private static bool NodeEquals(InfrastructureNodeType nodeA, InfrastructureNodeType nodeB)
        {
            if (string.Compare(nodeA.NodeName, nodeB.NodeName, StringComparison.OrdinalIgnoreCase) != 0 ||
                string.Compare(nodeA.UpgradeDomain, nodeB.UpgradeDomain, StringComparison.OrdinalIgnoreCase) != 0 ||
                string.Compare(nodeA.FaultDomain, nodeB.FaultDomain, StringComparison.OrdinalIgnoreCase) != 0 ||
                string.Compare(nodeA.IPAddressOrFQDN, nodeB.IPAddressOrFQDN, StringComparison.OrdinalIgnoreCase) != 0 ||
                string.Compare(nodeA.RoleOrTierName, nodeB.RoleOrTierName, StringComparison.OrdinalIgnoreCase) != 0)
            {
                return(false);
            }

            return(FabricEndpointsEquals(nodeA.Endpoints, nodeB.Endpoints));
        }
        public static bool IsNodeForThisMachine(InfrastructureNodeType node)
        {
            IPAddress ipAddress;

            if (IPAddress.TryParse(node.IPAddressOrFQDN, out ipAddress))
            {
                return(FabricValidatorUtility.CurrentMachineAddresses.Contains(ipAddress) ||
                       IsAddressLoopback(node.IPAddressOrFQDN));
            }
            else
            {
                return(FabricValidatorUtility.CurrentMachineNames.Contains(node.IPAddressOrFQDN));
            }
        }
示例#5
0
        private static bool NodeEquals(InfrastructureNodeType nodeA, InfrastructureNodeType nodeB)
        {
            // TODO: On Autopilot, endpoint set is not part of service model so would not be modeled as part of topology.
            if (string.Compare(nodeA.NodeName, nodeB.NodeName, StringComparison.Ordinal) != 0 ||
                string.Compare(nodeA.UpgradeDomain, nodeB.UpgradeDomain, StringComparison.OrdinalIgnoreCase) != 0 ||
                string.Compare(nodeA.FaultDomain, nodeB.FaultDomain, StringComparison.OrdinalIgnoreCase) != 0 ||
                string.Compare(nodeA.IPAddressOrFQDN, nodeB.IPAddressOrFQDN, StringComparison.OrdinalIgnoreCase) != 0 ||
                string.Compare(nodeA.RoleOrTierName, nodeB.RoleOrTierName, StringComparison.OrdinalIgnoreCase) != 0)
            {
                return(false);
            }

            return(true);
        }
示例#6
0
        public static List <InfrastructureNodeType> Create(string ServiceVMComputerName)
        {
            ServiceVMComputerName = ServiceVMComputerName.Trim();
            if (ServiceVMComputerName.Length == 0)
            {
                return(null);
            }

            var nodeList = new List <InfrastructureNodeType>();

            string[] tiers = ServiceVMComputerName.Split("]".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
            System.Console.WriteLine("tiers are: {0}", tiers);

            foreach (string tier in tiers)
            {
                if (tier.Trim().Length == 0)
                {
                    continue;
                }
                string[] tierInfo = tier.Split('[');
                string   tierName = tierInfo[0];
                string[] nodes    = tierInfo[1].Split(',');

                foreach (string node in nodes)
                {
                    string[] nodeinfo        = node.Split(':');
                    string   nodeName        = nodeinfo[0];
                    string   upgradDomain    = nodeinfo[1];
                    InfrastructureNodeType n = new InfrastructureNodeType
                    {
                        FaultDomain     = GetFaultDomain(nodeName),
                        UpgradeDomain   = upgradDomain,
                        IPAddressOrFQDN = nodeName,
                        NodeName        = nodeName,
                        RoleOrTierName  = tierName,
                        IsSeedNode      = true,
                        NodeTypeRef     = string.Empty
                    };
                    nodeList.Add(n);
                }
            }

            return(nodeList);
        }
示例#7
0
 internal static bool IsNodeForThisMachine(InfrastructureNodeType node)
 {
     return(IsAddressForThisMachine(node.IPAddressOrFQDN));
 }
 public static bool IsNodeAddressLoopback(InfrastructureNodeType node)
 {
     return(IsAddressLoopback(node.IPAddressOrFQDN));
 }
示例#9
0
 private static int CompareNodeByName(InfrastructureNodeType nodeA, InfrastructureNodeType nodeB)
 {
     return(string.Compare(nodeA.NodeName, nodeB.NodeName, StringComparison.OrdinalIgnoreCase));
 }
示例#10
0
        private void RemoveLogicalDirectoriesIfExist(string fabricDataRoot, string machineName)
        {
            if (machineName == null)
            {
                machineName = "";
            }

            ClusterManifestType clusterManifest = null;

            var clusterManifestLocation = Helpers.GetCurrentClusterManifestPath(fabricDataRoot);

            if (clusterManifestLocation == null)
            {
                clusterManifestLocation = Directory.EnumerateFiles(
                    fabricDataRoot,
                    "clusterManifest.xml",
                    SearchOption.AllDirectories).FirstOrDefault();
            }

            if (clusterManifestLocation != null)
            {
                clusterManifest = XMLHelper.ReadClusterManifest(clusterManifestLocation);
            }
            else
            {
                DeployerTrace.WriteWarning(string.Format(StringResources.Warning_clusterManifestFileMissingInDataRoot, fabricDataRoot, machineName));
            }

            if (clusterManifest != null)
            {
                InfrastructureInformationType infrastructure = null;
                FabricNodeType[] nodeList;

                if ((clusterManifest.Infrastructure.Item is ClusterManifestTypeInfrastructureWindowsServer &&
                     ((ClusterManifestTypeInfrastructureWindowsServer)clusterManifest.Infrastructure.Item).IsScaleMin) ||
                    (clusterManifest.Infrastructure.Item is ClusterManifestTypeInfrastructureLinux &&
                     ((ClusterManifestTypeInfrastructureLinux)clusterManifest.Infrastructure.Item).IsScaleMin))
                {
                    DeployerTrace.WriteInfo(string.Format("Checking to remove logicalDirectories for one box scale min deployment. Machine name: {0}.", machineName));

                    // Get all the nodes on this IP's LogicalDirectories and remove the all directoies.
                    nodeList = clusterManifest.Infrastructure.Item is ClusterManifestTypeInfrastructureWindowsServer ?
                               ((ClusterManifestTypeInfrastructureWindowsServer)clusterManifest.Infrastructure.Item).NodeList :
                               ((ClusterManifestTypeInfrastructureLinux)clusterManifest.Infrastructure.Item).NodeList;

                    RemoveLogicalDirectoies(clusterManifest, nodeList, machineName);
                }
                else if (clusterManifest.Infrastructure.Item is ClusterManifestTypeInfrastructurePaaS) // PaaS doesn't support scale min.
                {
                    var infrastructureManifestLocation = Helpers.GetInfrastructureManifestPath(fabricDataRoot);
                    if (infrastructureManifestLocation == null)
                    {
                        DeployerTrace.WriteWarning(string.Format(StringResources.Warning_infrastructureManifestFileMissingInDataRoot, fabricDataRoot, machineName));
                        return;
                    }

                    infrastructure = XMLHelper.ReadInfrastructureManifest(infrastructureManifestLocation);

                    // Get all the nodes on this IP's LogicalDirectories and remove the all directories.
                    var len = infrastructure.NodeList.Length;
                    nodeList = new FabricNodeType[len];
                    for (var i = 0; i < len; i++)
                    {
                        FabricNodeType fabricNode = new FabricNodeType()
                        {
                            NodeName        = infrastructure.NodeList[i].NodeName,
                            FaultDomain     = infrastructure.NodeList[i].FaultDomain,
                            IPAddressOrFQDN = infrastructure.NodeList[i].IPAddressOrFQDN,
                            IsSeedNode      = infrastructure.NodeList[i].IsSeedNode,
                            NodeTypeRef     = infrastructure.NodeList[i].NodeTypeRef,
                            UpgradeDomain   = infrastructure.NodeList[i].UpgradeDomain
                        };

                        nodeList[i] = fabricNode;
                    }

                    RemoveLogicalDirectoies(clusterManifest, nodeList, machineName);
                }
                else if (clusterManifest.Infrastructure.Item is ClusterManifestTypeInfrastructureWindowsServer ||
                         clusterManifest.Infrastructure.Item is ClusterManifestTypeInfrastructureLinux)
                {
                    nodeList = clusterManifest.Infrastructure.Item is ClusterManifestTypeInfrastructureWindowsServer ?
                               ((ClusterManifestTypeInfrastructureWindowsServer)clusterManifest.Infrastructure.Item).NodeList :
                               ((ClusterManifestTypeInfrastructureLinux)clusterManifest.Infrastructure.Item).NodeList;
                    if (!string.IsNullOrEmpty(machineName)) //For cab deployment
                    {
                        DeployerTrace.WriteInfo(string.Format("Checking to remove logicalDirectories for WindowsServer/Linux deployment with cab. Machine name: {0}.", machineName));
                        RemoveLogicalDirectoies(clusterManifest, nodeList, machineName);
                    }
                    else
                    {
                        DeployerTrace.WriteInfo(string.Format("Checking to remove logicalDirectories for WindowsServer/Linux deployment with MSI. Machine name: {0}.", machineName));
                        foreach (var node in nodeList)
                        {
                            InfrastructureNodeType infraNode = new InfrastructureNodeType()
                            {
                                NodeName        = node.NodeName,
                                NodeTypeRef     = node.NodeTypeRef,
                                IPAddressOrFQDN = node.IPAddressOrFQDN,
                                IsSeedNode      = node.IsSeedNode,
                                FaultDomain     = node.FaultDomain,
                                UpgradeDomain   = node.UpgradeDomain
                            };

                            bool isNodeForThisMachine = NetworkApiHelper.IsNodeForThisMachine(infraNode);
                            if (isNodeForThisMachine)
                            {
                                FabricNodeType[] fabricNodes = new FabricNodeType[1];
                                FabricNodeType   fabricNode  = new FabricNodeType()
                                {
                                    NodeName        = node.NodeName,
                                    FaultDomain     = node.FaultDomain,
                                    IPAddressOrFQDN = node.IPAddressOrFQDN,
                                    IsSeedNode      = node.IsSeedNode,
                                    NodeTypeRef     = node.NodeTypeRef,
                                    UpgradeDomain   = node.UpgradeDomain
                                };

                                fabricNodes[0] = fabricNode;
                                RemoveLogicalDirectoies(clusterManifest, fabricNodes, machineName);
                            }
                        }
                    }
                }
            }
        }
示例#11
0
        private void InitializeInfrastructureSettings(
            int nNodeTypes,
            bool isScaleMin,
            bool isLogicalDirectories,
            int[] nNodes,
            int[] nSeedNodes,
            int[] nFaultDomains,
            int[] nUpgradDomains,
            InfrastructureType infrastructureType)
        {
            this.nodeTypes = new ClusterManifestTypeNodeType[nNodeTypes];
            int totalNodes = 0;

            for (int i = 0; i < nNodeTypes; i++)
            {
                totalNodes += nNodes[i];
            }
            this.nodes      = new FabricNodeType[totalNodes];
            this.infraNodes = new InfrastructureNodeType[totalNodes];
            int nodeIndex = 0;

            for (int i = 0; i < nNodeTypes; i++)
            {
                int    clientConnectionPort  = 19000 + i;
                int    leaseDriverPort       = 19000 + nNodeTypes + i;
                int    clusterConnectionPort = 19000 + 2 * nNodeTypes + i;
                int    httpGatewayPort       = 19000 + 3 * nNodeTypes + i;
                int    serviceConnectionPort = 19000 + 4 * nNodeTypes + i;
                int    startAppPort          = 30000 + 1000 * i + 1;
                int    endAppPort            = 30000 + 1000 * (i + 1);
                string host                   = isScaleMin ? "localhost" : System.Net.Dns.GetHostName();
                string roleOrTierName         = GetRoleOrTiername(i);
                string faultDomain            = string.Format(CultureInfo.InvariantCulture, "fd:/Rack{0}", i % nFaultDomains[i]);
                string upgradeDomain          = string.Format(CultureInfo.InvariantCulture, "MYUD{0}", i % nUpgradDomains[i]);
                FabricEndpointsType endpoints = new FabricEndpointsType()
                {
                    ApplicationEndpoints = new FabricEndpointsTypeApplicationEndpoints()
                    {
                        StartPort = startAppPort, EndPort = endAppPort
                    },
                    LeaseDriverEndpoint = new InternalEndpointType()
                    {
                        Port = leaseDriverPort.ToString(CultureInfo.InvariantCulture)
                    },
                    ClusterConnectionEndpoint = new InternalEndpointType()
                    {
                        Port = clusterConnectionPort.ToString(CultureInfo.InvariantCulture)
                    },
                    ClientConnectionEndpoint = new InputEndpointType()
                    {
                        Port = clientConnectionPort.ToString(CultureInfo.InvariantCulture)
                    },
                    HttpGatewayEndpoint = new InputEndpointType()
                    {
                        Port = httpGatewayPort.ToString(CultureInfo.InvariantCulture)
                    },
                    ServiceConnectionEndpoint = new InternalEndpointType()
                    {
                        Port = serviceConnectionPort.ToString(CultureInfo.InvariantCulture)
                    }
                };

                for (int j = 0; j < nNodes[i]; j++)
                {
                    bool           isSeedNode = j < nSeedNodes[i];
                    string         nodeName   = string.Format(CultureInfo.InvariantCulture, "{0}.Node.{1}", roleOrTierName, j);
                    FabricNodeType node       = new FabricNodeType()
                    {
                        NodeName = nodeName, FaultDomain = faultDomain, IPAddressOrFQDN = host, IsSeedNode = isSeedNode, NodeTypeRef = roleOrTierName, UpgradeDomain = upgradeDomain
                    };
                    InfrastructureNodeType infraNode = new InfrastructureNodeType()
                    {
                        NodeName = nodeName, FaultDomain = faultDomain, IPAddressOrFQDN = host, IsSeedNode = isSeedNode, NodeTypeRef = roleOrTierName, UpgradeDomain = upgradeDomain, RoleOrTierName = roleOrTierName, Certificates = null, Endpoints = endpoints
                    };
                    this.nodes[nodeIndex]      = node;
                    this.infraNodes[nodeIndex] = infraNode;
                    nodeIndex++;
                }
                nodeTypes[i] = new ClusterManifestTypeNodeType();
                nodeTypes[i].Certificates = null;
                if (infrastructureType == InfrastructureType.WindowsServer || infrastructureType == InfrastructureType.VMM || infrastructureType == InfrastructureType.PaaS)
                {
                    nodeTypes[i].Endpoints = endpoints;
                }

                nodeTypes[i].Name = roleOrTierName;
            }

            if (isLogicalDirectories)
            {
                nodeTypes[0].LogicalDirectories    = new LogicalDirectoryType[5];
                nodeTypes[0].LogicalDirectories[0] = new LogicalDirectoryType
                {
                    LogicalDirectoryName = "0",
                    MappedTo             = TestUtility.LogicalDirectoriesApplicationCheckPointFilesDir,
                    Context = LogicalDirectoryTypeContext.node
                };

                nodeTypes[0].LogicalDirectories[1] = new LogicalDirectoryType
                {
                    LogicalDirectoryName = "1",
                    MappedTo             = TestUtility.LogicalDirectoriesLogDir,
                    Context = LogicalDirectoryTypeContext.node
                };
                nodeTypes[0].LogicalDirectories[2] = new LogicalDirectoryType
                {
                    LogicalDirectoryName = "2",
                    MappedTo             = TestUtility.LogicalDirectoriesBackupDir,
                    Context = LogicalDirectoryTypeContext.application
                };
                nodeTypes[0].LogicalDirectories[3] = new LogicalDirectoryType
                {
                    LogicalDirectoryName = "3",
                    MappedTo             = TestUtility.LogicalDirectoriesUserDefined1Dir
                };
                nodeTypes[0].LogicalDirectories[4] = new LogicalDirectoryType
                {
                    LogicalDirectoryName = "4",
                    MappedTo             = TestUtility.LogicalDirectoriesUserDefined2Dir,
                    Context = LogicalDirectoryTypeContext.node
                };

                nodeTypes[1].LogicalDirectories    = new LogicalDirectoryType[5];
                nodeTypes[1].LogicalDirectories[0] = new LogicalDirectoryType
                {
                    LogicalDirectoryName = "0",
                    MappedTo             = TestUtility.LogicalDirectoriesApplicationCheckPointFilesDir2,
                    Context = LogicalDirectoryTypeContext.application
                };

                nodeTypes[1].LogicalDirectories[1] = new LogicalDirectoryType
                {
                    LogicalDirectoryName = "1",
                    MappedTo             = TestUtility.LogicalDirectoriesLogDir2,
                    Context = LogicalDirectoryTypeContext.application
                };
                nodeTypes[1].LogicalDirectories[2] = new LogicalDirectoryType
                {
                    LogicalDirectoryName = "2",
                    MappedTo             = TestUtility.LogicalDirectoriesBackupDir2,
                    Context = LogicalDirectoryTypeContext.node
                };
                nodeTypes[1].LogicalDirectories[3] = new LogicalDirectoryType
                {
                    LogicalDirectoryName = "3",
                    MappedTo             = TestUtility.LogicalDirectoriesUserDefined1Dir2,
                    Context = LogicalDirectoryTypeContext.application
                };
                nodeTypes[1].LogicalDirectories[4] = new LogicalDirectoryType
                {
                    LogicalDirectoryName = "4",
                    MappedTo             = TestUtility.LogicalDirectoriesUserDefined2Dir2,
                    Context = LogicalDirectoryTypeContext.application
                };
            }
        }
        private void InitializeFromServiceRuntimeTopologyProvider(ClusterManifestTypeInfrastructureWindowsAzure azureInfrastructure, InfrastructureNodeType[] inputInfrastructureNodes, Dictionary <string, ClusterManifestTypeNodeType> nameToNodeTypeMap)
        {
            // For service runtime topology provider, source of cluster topology is infrastructure manifest provided by azure wrapper service.
            // Seed nodes are determined as the first SeedNodeCount nodes of the seed node role.
            ReleaseAssert.AssertIfNull(inputInfrastructureNodes, "inputInfrastructureNodes");

            Dictionary <string, int>    seedInfo      = new Dictionary <string, int>();
            Dictionary <string, string> roleToTypeMap = new Dictionary <string, string>();

            foreach (var role in azureInfrastructure.Roles)
            {
                try
                {
                    seedInfo.Add(role.RoleName, role.SeedNodeCount);
                    roleToTypeMap.Add(role.RoleName, role.NodeTypeRef);
                }
                catch (ArgumentException)
                {
                    throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, "Role name {0} is duplicate", role.RoleName));
                }
            }

            foreach (var nodeInfo in inputInfrastructureNodes)
            {
                string nodeIndex = nodeInfo.NodeName.Split(".".ToCharArray()).Last();
                int    index     = int.Parse(nodeIndex);
                ClusterManifestTypeNodeType nodeType = null;
                if (roleToTypeMap.ContainsKey(nodeInfo.RoleOrTierName))
                {
                    var nodeTypeName = roleToTypeMap[nodeInfo.RoleOrTierName];
                    if (nameToNodeTypeMap.ContainsKey(nodeTypeName))
                    {
                        nodeType = nameToNodeTypeMap[nodeTypeName];
                    }
                    else
                    {
                        throw new ArgumentException(
                                  string.Format(
                                      CultureInfo.InvariantCulture,
                                      "Node type {0} specified for role {1} in node {2} not found",
                                      nodeTypeName,
                                      nodeInfo.RoleOrTierName,
                                      nodeInfo.NodeName));
                    }
                }
                else
                {
                    throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, "Role name {0} specified in node {1} not found", nodeInfo.NodeName, nodeInfo.RoleOrTierName));
                }

                var node = new InfrastructureNodeType()
                {
                    FaultDomain     = nodeInfo.FaultDomain,
                    IPAddressOrFQDN = nodeInfo.IPAddressOrFQDN,
                    IsSeedNode      = index < seedInfo[nodeInfo.RoleOrTierName],
                    NodeName        = nodeInfo.NodeName,
                    NodeTypeRef     = roleToTypeMap[nodeInfo.RoleOrTierName],
                    UpgradeDomain   = nodeInfo.UpgradeDomain,
                    RoleOrTierName  = nodeInfo.RoleOrTierName,
                    Endpoints       = nodeInfo.Endpoints,
                    Certificates    = nodeType.Certificates
                };

                this.nodes.Add(node);

                if (node.IsSeedNode)
                {
                    // Add vote mappings
                    string connectionAddress = string.Format(CultureInfo.InvariantCulture, "{0}:{1}", node.IPAddressOrFQDN, node.Endpoints.ClusterConnectionEndpoint.Port);
                    this.voteMappings.Add(node.NodeName, connectionAddress);
                    FabricValidator.TraceSource.WriteNoise(FabricValidatorUtility.TraceTag, "Mapping {0}-{1} added", node.NodeName, connectionAddress);

                    // Add votes.
                    string key   = node.NodeName;
                    string value = string.Format(CultureInfo.InvariantCulture, "{0},{1}", "WindowsAzure", node.NodeName);
                    this.votes.Add(new SettingsTypeSectionParameter()
                    {
                        Name = key, Value = value, MustOverride = false
                    });
                    FabricValidator.TraceSource.WriteNoise(FabricValidatorUtility.TraceTag, "Vote {0}-{1} added", key, value);

                    string clientConnectionAddress = string.Format(CultureInfo.InvariantCulture, "{0}:{1}", node.IPAddressOrFQDN, node.Endpoints.ClientConnectionEndpoint.Port);
                    this.seedNodeClientConnectionAddresses.Add(new SettingsTypeSectionParameter()
                    {
                        Name = key, Value = clientConnectionAddress, MustOverride = false
                    });
                    FabricValidator.TraceSource.WriteNoise(FabricValidatorUtility.TraceTag, "Seed Nodes {0}-{1} added", key, clientConnectionAddress);
                }
            }

            this.isScaleMin = FabricValidatorUtility.IsAddressLoopback(nodes[0].IPAddressOrFQDN);
        }