Fixed: Don't call for server notifications on event driven check

src/NzbDrone.Core/HealthCheck/HealthCheckService.cs

@@ -70,7 +70,7 @@ namespace NzbDrone.Core.HealthCheck
                 .ToDictionary(g => g.Key, g => g.ToArray());
         }
 
-        private void PerformHealthCheck(IProvideHealthCheck[] healthChecks, IEvent message = null)
+        private void PerformHealthCheck(IProvideHealthCheck[] healthChecks, IEvent message = null, bool performServerChecks = false)
         {
             var results = new List<HealthCheck>();
 
@@ -86,7 +86,10 @@ namespace NzbDrone.Core.HealthCheck
                 }
             }
 
-            results.AddRange(_serverSideNotificationService.GetServerChecks());
+            if (performServerChecks)
+            {
+                results.AddRange(_serverSideNotificationService.GetServerChecks());
+            }
 
             foreach (var result in results)
             {
@@ -112,17 +115,17 @@ namespace NzbDrone.Core.HealthCheck
         {
             if (message.Trigger == CommandTrigger.Manual)
             {
-                PerformHealthCheck(_healthChecks);
+                PerformHealthCheck(_healthChecks, null, true);
             }
             else
             {
-                PerformHealthCheck(_scheduledHealthChecks);
+                PerformHealthCheck(_scheduledHealthChecks, null, true);
             }
         }
 
         public void HandleAsync(ApplicationStartedEvent message)
         {
-            PerformHealthCheck(_startupHealthChecks);
+            PerformHealthCheck(_startupHealthChecks, null, true);
         }
 
         public void HandleAsync(IEvent message)

src/NzbDrone.Core/HealthCheck/ServerSideNotificationService.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Runtime.InteropServices;
 using NLog;
+using NzbDrone.Common.Cache;
 using NzbDrone.Common.Cloud;
 using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Http;
@@ -23,24 +24,37 @@ namespace NzbDrone.Core.HealthCheck
         private readonly IHttpRequestBuilderFactory _cloudRequestBuilder;
         private readonly Logger _logger;
 
-        public ServerSideNotificationService(IHttpClient client, IConfigFileProvider configFileProvider, IReadarrCloudRequestBuilder cloudRequestBuilder, Logger logger)
+        private readonly ICached<List<HealthCheck>> _cache;
+
+        public ServerSideNotificationService(IHttpClient client,
+                                             IConfigFileProvider configFileProvider,
+                                             IReadarrCloudRequestBuilder cloudRequestBuilder,
+                                             ICacheManager cacheManager,
+                                             Logger logger)
         {
             _client = client;
             _configFileProvider = configFileProvider;
             _cloudRequestBuilder = cloudRequestBuilder.Services;
             _logger = logger;
+
+            _cache = cacheManager.GetCache<List<HealthCheck>>(GetType());
         }
 
         public List<HealthCheck> GetServerChecks()
+        {
+            return _cache.Get("ServerChecks", () => RetrieveServerChecks(), TimeSpan.FromHours(2));
+        }
+
+        private List<HealthCheck> RetrieveServerChecks()
         {
             var request = _cloudRequestBuilder.Create()
-                                              .Resource("/notification")
-                                              .AddQueryParam("version", BuildInfo.Version)
-                                              .AddQueryParam("os", OsInfo.Os.ToString().ToLowerInvariant())
-                                              .AddQueryParam("arch", RuntimeInformation.OSArchitecture)
-                                              .AddQueryParam("runtime", PlatformInfo.Platform.ToString().ToLowerInvariant())
-                                              .AddQueryParam("branch", _configFileProvider.Branch)
-                                              .Build();
+                                      .Resource("/notification")
+                                      .AddQueryParam("version", BuildInfo.Version)
+                                      .AddQueryParam("os", OsInfo.Os.ToString().ToLowerInvariant())
+                                      .AddQueryParam("arch", RuntimeInformation.OSArchitecture)
+                                      .AddQueryParam("runtime", PlatformInfo.Platform.ToString().ToLowerInvariant())
+                                      .AddQueryParam("branch", _configFileProvider.Branch)
+                                      .Build();
             try
             {
                 _logger.Trace("Getting server side health notifications");