ConoHaNet.OpenStackMember.CreateServer C# (CSharp) Method

        public NewServer CreateServer(string cloudServerName, string imageId, string flavor, string adminPass, string keyname = null, string nametag = null, string[] securityGroupNames = null, string[] attachVolumeIds = null, DiskConfiguration diskConfig = null, Metadata metadata = null, Personality[] personality = null, bool attachToServiceNetwork = false, bool attachToPublicNetwork = false, IEnumerable<string> networks = null)
        {
            if (metadata == null) { metadata = new Metadata(); }

            metadata.Add("instance_name_tag", nametag ?? string.Empty);

            return ServersProvider.CreateServer(cloudServerName, imageId, flavor, adminPass, keyname, securityGroupNames, attachVolumeIds, diskConfig, metadata, personality, attachToServiceNetwork, attachToPublicNetwork, networks, this.DefaultRegion, this.Identity);
        }

 public void CreateServerTest_5times()
 {
     OpenStackMember os = null;
     NewServer server = null;
     var serverIds = new List<string>();
     try
     {
         os = new OpenStackMember(UserName, Password, TenantName, TenantId);
         var image = os.ListImages().First();
         for (int cnt = 1; cnt <= 15; cnt++)
         {
             IEnumerable<SimpleServer> servers = os.ListServers();
             var names = servers.GroupBy(s => s.Name, (key, g) => key);
             string[] data = Enumerable.Range(1, 100).Select(i => string.Format("{0}_{1}", TesterName, i)).ToArray<string>();
             string serverName = (from b in data where !names.Contains<string>(b) select b).First();
             server = os.CreateServer(serverName, image.Id, GetFlavorByName("g-1gb").Id, "D$fjhg5422mnM-");
             serverIds.Add(server.Id);
             Trace.WriteLine(String.Format("server creation transferred : {0}", DateTime.Now));
             Assert.IsNotNull(server);
             Assert.IsNotNull(server.AdminPassword);
             Trace.WriteLine(string.Format("ServerName : {0}", serverName));
             Trace.WriteLine(string.Format("AdminPassword : {0}", server.AdminPassword));
         }
     }
     finally
     {
         foreach (var serverId in serverIds)
         {
             bool bDelete = os.DeleteServer(serverId);
             Assert.IsTrue(bDelete);
             Trace.WriteLine(String.Format("server deletion transferred : {0}", DateTime.Now));
             os.ServersProvider.WaitForServerDeleted(serverId);
             Trace.WriteLine(String.Format("server deleted : {0}", DateTime.Now));
         }
     }
 }