/// <summary>
/// Add a service health check based on a HTTP or TCP endpoint
/// </summary>
/// <param name="checks">more or more consul health checks</param>
public void AddServiceCheck(params ConsulRegisterCheck[] checks)
{
var validator = new ConsulRegisterCheckValidator();
foreach (var check in checks)
{
validator.ValidateAndThrow(check);
}
this.serviceChecks.AddRange(checks);
}
/// <summary>
/// Registers service health checks with consul
/// </summary>
/// <param name="healthChecks">the health checks to register</param>
/// <exception cref="GatewayServiceDiscoveryException">throws exception if unable to register health checks</exception>
public static void RegisterHealthChecks(params ServiceHealthCheck[] healthChecks)
{
var logger = LogManager.GetLogger(typeof(ConsulClient));
foreach (var check in healthChecks)
{
try
{
var consulCheck = new ConsulRegisterCheck(check.Id, check.ServiceId)
{
HTTP = check.Http,
TCP = check.Tcp,
IntervalInSeconds = check.IntervalInSeconds,
Notes = check.Notes,
DeregisterCriticalServiceAfterInMinutes = check.DeregisterCriticalServiceAfterInMinutes
};
HealthcheckValidator.ValidateAndThrow(consulCheck);
using (var config = JsConfig.BeginScope())
{
config.EmitCamelCaseNames = false;
config.IncludeNullValues = false;
ConsulFeature.ConsulAgentResolver.CombineWith(consulCheck.ToPutUrl()).PutJsonToUrl(
consulCheck,
null,
response =>
{
if (response.IsErrorResponse())
{
logger.Error(
$"Could not register health check ${check.Id} with Consul. {response.StatusDescription}");
}
else
{
logger.Info(
$"Registered health check with Consul `{check.Id}`");
}
});
}
}
catch (Exception ex)
{
logger.Error("Failed to register health check", ex);
throw new GatewayServiceDiscoveryException($"Could not register service health check {check.Id}", ex);
}
}
}