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Lidarr/src/NzbDrone.Core/HealthCheck/Checks/ProxyCheck.cs

68 lines
2.7 KiB

using System;
using System.Linq;
using System.Net;
using NLog;
using NzbDrone.Common.Cloud;
using NzbDrone.Common.Http;
using NzbDrone.Core.Configuration;
using NzbDrone.Core.Configuration.Events;
using NzbDrone.Core.Localization;
namespace NzbDrone.Core.HealthCheck.Checks
{
[CheckOn(typeof(ConfigSavedEvent))]
public class ProxyCheck : HealthCheckBase
{
private readonly Logger _logger;
private readonly IConfigService _configService;
private readonly IHttpClient _client;
private readonly IHttpRequestBuilderFactory _cloudRequestBuilder;
public ProxyCheck(ILidarrCloudRequestBuilder cloudRequestBuilder, IConfigService configService, IHttpClient client, ILocalizationService localizationService, Logger logger)
: base(localizationService)
{
_configService = configService;
_client = client;
_logger = logger;
_cloudRequestBuilder = cloudRequestBuilder.Services;
}
public override HealthCheck Check()
{
if (_configService.ProxyEnabled)
{
var addresses = Dns.GetHostAddresses(_configService.ProxyHostname);
if (!addresses.Any())
{
return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format(_localizationService.GetLocalizedString("ProxyCheckResolveIpMessage"), _configService.ProxyHostname), "#proxy-failed-resolve-ip");
}
var request = _cloudRequestBuilder.Create()
.Resource("/ping")
.Build();
try
{
var response = _client.Execute(request);
// We only care about 400 responses, other error codes can be ignored
if (response.StatusCode == HttpStatusCode.BadRequest)
{
_logger.Error("Proxy Health Check failed: {0}", response.StatusCode);
return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format(_localizationService.GetLocalizedString("ProxyCheckBadRequestMessage"), response.StatusCode), "#proxy-failed-test");
}
}
catch (Exception ex)
{
_logger.Error(ex, "Proxy Health Check failed");
return new HealthCheck(GetType(), HealthCheckResult.Error, string.Format(_localizationService.GetLocalizedString("ProxyCheckFailedToTestMessage"), request.Url), "#proxy-failed-test");
}
}
return new HealthCheck(GetType());
}
}
}