public async Task CallService(ServiceConnectionCheck serviceCheck, bool includeResponse = false)
{
using (var httpClient = new HttpClient())
{
httpClient.Timeout = TimeSpan.FromSeconds(30);
var stopWatch = new Stopwatch();
try
{
stopWatch.Start();
var res = await httpClient.GetAsync(serviceCheck.ServiceUrl);
string content = string.Empty;
if (res.StatusCode == HttpStatusCode.OK)
{
serviceCheck.Result = "Connection is OK";
if (includeResponse)
{
serviceCheck.Response = await res.Content.ReadAsStringAsync();
}
}
stopWatch.Stop();
serviceCheck.TimeElapsed = stopWatch.ElapsedMilliseconds;
}
catch (Exception ex)
{
stopWatch.Stop();
serviceCheck.TimeElapsed = stopWatch.ElapsedMilliseconds;
serviceCheck.Reason = ex.Message;
}
}
}
public async Task <ActionResult <ConnectionResponse> > Get()
{
var response = new ConnectionResponse();
response.VerificationResults = new List <ServiceConnectionCheck>();
// Verify Catalog service connection
var serviceCheck = new ServiceConnectionCheck();
serviceCheck.ServiceName = "Catalog Service";
serviceCheck.ServiceUrl = _settings.Value.CatalogUrl + "/swagger/index.html";
serviceCheck.Result = "Connection failed!";
await CallService(serviceCheck);
response.VerificationResults.Add(serviceCheck);
// Verify Database Check
if (!string.IsNullOrEmpty(_settings.Value.ConnectionString))
{
serviceCheck = new ServiceConnectionCheck();
serviceCheck.ServiceName = "Database Connection";
serviceCheck.ServiceUrl = _settings.Value.ConnectionString;
serviceCheck.Result = "Connection failed!";
DatabaseCheck(serviceCheck);
response.VerificationResults.Add(serviceCheck);
}
// External service
serviceCheck = new ServiceConnectionCheck();
serviceCheck.ServiceName = "External Service";
serviceCheck.ServiceUrl = "http://worldclockapi.com/api/json/est/now";
serviceCheck.Result = "Connection failed!";
await CallService(serviceCheck, true);
response.VerificationResults.Add(serviceCheck);
return(response);
}
public void DatabaseCheck(ServiceConnectionCheck serviceCheck)
{
var stopWatch = new Stopwatch();
stopWatch.Start();
using (SqlConnection connection = new SqlConnection(serviceCheck.ServiceUrl))
{
try
{
connection.Open();
serviceCheck.Result = "Connection is OK";
stopWatch.Stop();
serviceCheck.TimeElapsed = stopWatch.ElapsedMilliseconds;
}
catch (SqlException ex)
{
stopWatch.Stop();
serviceCheck.TimeElapsed = stopWatch.ElapsedMilliseconds;
serviceCheck.Reason = ex.Message;
}
}
}
