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(),
});
}
internal bool Equals(WindowsFabricEndpointSet windowsFabricEndpointSet)
{
if (windowsFabricEndpointSet == null)
{
return(false);
}
return
(InputEndpointEquals(this.ClientConnectionEndpoint, windowsFabricEndpointSet.ClientConnectionEndpoint) &&
InputEndpointEquals(this.HttpGatewayEndpoint, windowsFabricEndpointSet.HttpGatewayEndpoint) &&
InputEndpointEquals(this.HttpApplicationGatewayEndpoint, windowsFabricEndpointSet.HttpApplicationGatewayEndpoint) &&
InternalEndpointEquals(this.ClusterConnectionEndpoint, windowsFabricEndpointSet.ClusterConnectionEndpoint) &&
InternalEndpointEquals(this.LeaseDriverEndpoint, windowsFabricEndpointSet.LeaseDriverEndpoint) &&
EndpointRangeEquals(this.ApplicationEndpoints, windowsFabricEndpointSet.ApplicationEndpoints));
}
private static bool FabricEndpointsEquals(FabricEndpointsType endpointSetA, FabricEndpointsType endpointSetB)
{
if (endpointSetA == null && endpointSetB == null)
{
return(true);
}
if (endpointSetA != null && endpointSetA != null)
{
return
(WindowsFabricEndpointSet.InputEndpointEquals(endpointSetA.ClientConnectionEndpoint, endpointSetB.ClientConnectionEndpoint) &&
WindowsFabricEndpointSet.InputEndpointEquals(endpointSetA.HttpGatewayEndpoint, endpointSetB.HttpGatewayEndpoint) &&
WindowsFabricEndpointSet.InputEndpointEquals(endpointSetA.HttpApplicationGatewayEndpoint, endpointSetB.HttpApplicationGatewayEndpoint) &&
WindowsFabricEndpointSet.InternalEndpointEquals(endpointSetA.ClusterConnectionEndpoint, endpointSetB.ClusterConnectionEndpoint) &&
WindowsFabricEndpointSet.InternalEndpointEquals(endpointSetA.LeaseDriverEndpoint, endpointSetB.LeaseDriverEndpoint) &&
WindowsFabricEndpointSet.EndpointRangeEquals(endpointSetA.ApplicationEndpoints, endpointSetB.ApplicationEndpoints));
}
return(false);
}
private static Dictionary <string, WindowsFabricEndpointSet> GetRoleNameToEndpointSetMap(int applicationPortCount)
{
Dictionary <string, WindowsFabricEndpointSet> roleNameToEndpointSetMap = new Dictionary <string, WindowsFabricEndpointSet>(StringComparer.OrdinalIgnoreCase);
foreach (KeyValuePair <string, Role> role in RoleEnvironment.Roles)
{
// If it is the role of current role instance, get endpoints from current role instance; otherwise, use the first role instance in the collection
if (RoleEnvironment.CurrentRoleInstance.Role.Name.Equals(role.Value.Name, StringComparison.OrdinalIgnoreCase))
{
roleNameToEndpointSetMap[role.Value.Name] = WindowsFabricEndpointSet.GetWindowsFabricEndpointSet(RoleEnvironment.CurrentRoleInstance.InstanceEndpoints, applicationPortCount);
}
else
{
foreach (RoleInstance roleInstance in role.Value.Instances.Where(instance => IsWindowsFabricRoleInstance(instance)))
{
roleNameToEndpointSetMap[role.Value.Name] = WindowsFabricEndpointSet.GetWindowsFabricEndpointSet(roleInstance.InstanceEndpoints, applicationPortCount);
break;
}
}
}
return(roleNameToEndpointSetMap);
}