/// <summary>
/// Does the healthcheck.
/// </summary>
/// <param name="parameters">The parameters.</param>
/// <returns>
/// The healthcheck result
/// </returns>
public override CustomHealthcheckResult DoHealthcheck(NameValueCollection parameters)
{
var connectionString = parameters["ConnectionString"];
var result = new CustomHealthcheckResult
{
HealthyMessage = "Connection is ok",
Status = HealthcheckStatus.Healthy
};
try
{
if (string.IsNullOrEmpty(connectionString))
{
result.Status = HealthcheckStatus.Warning;
result.ErrorMessage = "Connectionstring is not provided in 'ConnectionString' param";
return(result);
}
var client = new MongoClient(connectionString);
if (client.Cluster.Description.State != MongoDB.Driver.Core.Clusters.ClusterState.Connected)
{
result.Status = HealthcheckStatus.Error;
result.ErrorMessage = "State is disconnected";
}
}
catch (Exception ex)
{
result.Status = HealthcheckStatus.Error;
result.Exception = ex;
result.ErrorMessage = ex.Message;
}
return(result);
}
public static HealthcheckResult RunHealthcheck(string typeValue, NameValueCollection inputParameters)
{
var checkResult = new HealthcheckResult
{
LastCheckTime = System.DateTime.UtcNow,
Status = Customization.HealthcheckStatus.Healthy,
ErrorList = new ErrorList
{
Entries = new List <ErrorEntry>()
}
};
string assemblyName = string.Empty;
string typeName = string.Empty;
try
{
assemblyName = typeValue.Split(',')[1].Trim();
typeName = typeValue.Split(',')[0].Trim();
}
catch (Exception)
{
checkResult.Status = HealthcheckStatus.Warning;
checkResult.ErrorList.Entries.Add(new ErrorEntry
{
Created = DateTime.UtcNow,
Reason = string.Format("{0} could not be parsed, use the following format: <NameSpace>.<Class>,<AssemblyName>", typeValue)
});
return(checkResult);
}
Assembly assembly = null;
try
{
assembly = Assembly.Load(assemblyName);
}
catch (Exception ex)
{
checkResult.Status = HealthcheckStatus.Warning;
checkResult.ErrorList.Entries.Add(new ErrorEntry
{
Created = DateTime.UtcNow,
Reason = string.Format("{0} assembly could not be loaded, please check the configuration!", assemblyName),
Exception = ex
});
return(checkResult);
}
Type type = assembly.GetType(typeName);
if (type == null)
{
checkResult.Status = HealthcheckStatus.Warning;
checkResult.ErrorList.Entries.Add(new ErrorEntry
{
Created = DateTime.UtcNow,
Reason = string.Format("{0} type could not be loaded, please check the configuration!", typeName)
});
return(checkResult);
}
var methodName = "DoHealthcheck";
MethodInfo methodInfo = type.GetMethod(methodName);
if (methodInfo == null)
{
checkResult.Status = HealthcheckStatus.Warning;
checkResult.ErrorList.Entries.Add(new ErrorEntry
{
Created = DateTime.UtcNow,
Reason = string.Format("{0} method could not be loaded, please make sure you implemented the 'DoHealthcheck' method!", methodName)
});
return(checkResult);
}
try
{
CustomHealthcheckResult result = null;
ParameterInfo[] parameters = methodInfo.GetParameters();
object classInstance = Activator.CreateInstance(type, null);
object[] parametersArray = new object[] { inputParameters };
result = methodInfo.Invoke(classInstance, parametersArray) as CustomHealthcheckResult;
if (result != null)
{
checkResult.Status = result.Status;
checkResult.HealthyMessage = result.HealthyMessage;
if (checkResult.Status != HealthcheckStatus.Healthy)
{
checkResult.ErrorList.Entries.Add(new ErrorEntry
{
Created = DateTime.UtcNow,
Reason = result.ErrorMessage,
Exception = result.Exception
});
}
}
}
catch (Exception ex)
{
checkResult.Status = HealthcheckStatus.Error;
checkResult.ErrorList.Entries.Add(new ErrorEntry
{
Created = DateTime.UtcNow,
Reason = ex.Message,
Exception = ex
});
}
return(checkResult);
}
