private static string LookupString(string connectionStringName)
{
if (ConfigurationManager.ConnectionStrings[connectionStringName] == null)
{
Nlog.Error("No connection string found matching given connection string name, returning null...");
return(null);
}
VcapServices vcap = VcapServices.Instance();
if (!vcap.IsCF)
{
Nlog.Info("VCAP_SERVICES not set - returning connection string from app config...");
return(ConfigurationManager.ConnectionStrings[connectionStringName].ConnectionString);
}
Nlog.Trace(String.Format("Checking for {0} in VCAP_SERVICES", connectionStringName));
JToken service = vcap.GetService(connectionStringName);
if (service != null)
{
Nlog.Trace(String.Format("Found service named {0} in VCAP_SERVICES. Reconfiguring for bound services.", connectionStringName));
JToken creds = service["credentials"];
string conString = "";
if (creds["connectionString"] != null)
{
conString = creds["connectionString"].ToString();
}
else
{
conString = String.Format("server={0};port={1};database={2};uid={3};password={4};",
creds["hostname"],
creds["port"],
creds["name"],
creds["username"],
creds["password"]);
}
Nlog.Debug(conString);
return(conString);
}
else
{
Nlog.Info("Couldn't find bound service - returning connection string from app config...");
return(ConfigurationManager.ConnectionStrings[connectionStringName].ConnectionString);
}
}
public static void Configure()
{
VcapServices vcapServices = VcapServices.Instance();
if (vcapServices.IsCF)
{
JToken service = vcapServices.GetService("BookServiceContext");
IEnumerator <JToken> tags = service["tags"].Values().GetEnumerator();
while (tags.MoveNext())
{
if ("mysql".Equals(tags.Current.ToString()))
{
DbConfiguration.SetConfiguration(new MySqlEFConfiguration());
}
}
}
}
public static VcapServices Instance()
{
if (instance == null)
{
instance = new VcapServices();
Nlog.Trace("Checking for VCAP_SERVICES");
instance.rawEnv = Environment.GetEnvironmentVariable("VCAP_SERVICES");
if (instance.rawEnv != null)
{
Nlog.Trace("Parsing VCAP_SERVICES");
instance.parsedEnv = JObject.Parse(instance.rawEnv);
Nlog.Trace("Getting services from parsed VCAP_SERVICES");
instance.serviceDictionary =
instance.parsedEnv.Children().Children().Children().ToDictionary(val => val["name"].ToString(), val => val);
}
}
return(instance);
}
public static VcapServices Instance()
{
if (instance == null)
{
instance = new VcapServices();
Nlog.Trace("Checking for VCAP_SERVICES");
instance.rawEnv = Environment.GetEnvironmentVariable("VCAP_SERVICES");
if (instance.rawEnv != null)
{
Nlog.Trace("Parsing VCAP_SERVICES");
instance.parsedEnv = JObject.Parse(instance.rawEnv);
Nlog.Trace("Getting services from parsed VCAP_SERVICES");
instance.serviceDictionary =
instance.parsedEnv.Children().Children().Children().ToDictionary(val => val["name"].ToString(), val => val);
}
}
return instance;
}
