internal static bool RemoveServers(string farmName, IEnumerable <string> endpoints)
{
using (ServerManager manager = new ServerManager()) {
ConfigurationElementCollection webFarmsConfiguration = GetWebFarmsConfiguration(manager);
ConfigurationElement webFarm = GetWebFarmConfiguration(webFarmsConfiguration, farmName);
if (webFarm != null)
{
ConfigurationElementCollection servers = webFarm.GetCollection();
bool configurationChanged = false;
foreach (string endPoint in endpoints)
{
Dictionary <string, string> attributes = new Dictionary <string, string>()
{
{ "address", endPoint }
};
ConfigurationElement serverConfiguration = ConfigurationElementUtils.FindElement(servers, "server", attributes);
if (serverConfiguration != null && ConfigurationElementUtils.HasAttribute(serverConfiguration, "address", endPoint))
{
servers.Remove(serverConfiguration);
configurationChanged = true;
}
}
if (configurationChanged)
{
manager.CommitChanges();
}
return(true);
}
}
return(false);
}
static void SetHealthCheckPageParameters(ConfigurationElement connectionConfiguration)
{
ConfigurationElement healthCheckElement = connectionConfiguration.GetChildElement("healthCheck");
if (healthCheckElement != null)
{
ConfigurationElementUtils.SetAttribute(healthCheckElement, WebFarmConfiguration.HealthCheckConfiguration);
}
}
static ConfigurationElement GetWebFarmConfiguration(ConfigurationElementCollection webFarmConfiguration, string farmName)
{
var attributes = new ConfigurationElementAttributes()
{
{ "name", farmName }
};
return(ConfigurationElementUtils.FindElement(webFarmConfiguration, WEB_FARM_TAGNAME, attributes));
}
internal static IEnumerable <string> GetServersFromConfiguration(string farmName)
{
List <string> serversList = new List <string>();
using (ServerManager manager = new ServerManager()) {
ConfigurationElementCollection webFarmsConfiguration = GetWebFarmsConfiguration(manager);
ConfigurationElement webFarm = GetWebFarmConfiguration(webFarmsConfiguration, farmName);
if (webFarm != null)
{
ConfigurationElementCollection servers = webFarm.GetCollection();
foreach (ConfigurationElement serverConfiguration in servers)
{
serversList.Add(ConfigurationElementUtils.GetAttributValue(serverConfiguration, "address"));
}
}
}
return(serversList);
}
internal static bool AddServers(string farmName, IEnumerable <string> endpoints, int port)
{
using (ServerManager manager = new ServerManager()) {
ConfigurationElementCollection webFarmsConfiguration = GetWebFarmsConfiguration(manager);
ConfigurationElement webFarm = GetWebFarmConfiguration(webFarmsConfiguration, farmName);
if (webFarm != null)
{
ConfigurationElementCollection servers = webFarm.GetCollection();
bool configurationChanged = false;
foreach (string endPoint in endpoints)
{
Dictionary <string, string> attributes = new Dictionary <string, string>()
{
{ "address", endPoint }
};
ConfigurationElement serverConfiguration = ConfigurationElementUtils.FindElement(servers, "server", attributes);
if (serverConfiguration == null)
{
serverConfiguration = servers.CreateElement("server");
serverConfiguration["address"] = endPoint;
serverConfiguration["enabled"] = true;
ConfigurationElement connectionConfiguration = serverConfiguration.GetChildElement("applicationRequestRouting");
connectionConfiguration["httpPort"] = port;
servers.Add(serverConfiguration);
configurationChanged = true;
}
}
if (configurationChanged)
{
manager.CommitChanges();
}
return(true);
}
}
return(false);
}
public static void CreateURLRewriteRule(string serverFarm, bool forceRecreate = true)
{
using (ServerManager manager = new ServerManager())
{
ConfigurationElementCollection urlRewriterConfiguration = manager.GetApplicationHostConfiguration().GetSection("system.webServer/rewrite/globalRules").GetCollection();
string str = string.Format("ARR_{0}_loadbalance", serverFarm);
var attributes = new Dictionary <string, string>()
{
{ "name", str }
};
var urlRewriterRule = ConfigurationElementUtils.FindElement(urlRewriterConfiguration, "rule", attributes);
if (urlRewriterRule != null)
{
if (forceRecreate)
{
urlRewriterConfiguration.Remove(urlRewriterRule);
}
else
{
throw new InvalidOperationException("Cannot create rule with duplicate name");
}
}
ConfigurationElement element = urlRewriterConfiguration.CreateElement("rule");
element["name"] = str;
element["patternSyntax"] = "Wildcard";
element["stopProcessing"] = true;
element["enabled"] = true;
element.GetChildElement("match")["url"] = "*";
ConfigurationElement childElement = element.GetChildElement("action");
childElement["type"] = "Rewrite";
childElement["url"] = "http://" + serverFarm + "/{R:0}";
urlRewriterConfiguration.Add(element);
manager.CommitChanges();
}
}
