Add ConfigureAwait(false) to all task awaitings (#22) (#23)

Author: govorovvs

src/Winton.Extensions.Configuration.Consul/ConsulConfigurationClient.cs

@@ -28,7 +28,7 @@ public ConsulConfigurationClient(IConsulClientFactory consulClientFactory, ICons
 
         public async Task<IConfigQueryResult> GetConfig()
         {
-            var result = await GetKVPair();
+            var result = await GetKVPair().ConfigureAwait(false);
             UpdateLastIndex(result);
             return new ConfigQueryResult(result);
         }
@@ -43,7 +43,8 @@ private async Task<QueryResult<KVPair>> GetKVPair(QueryOptions queryOptions = nu
         {
             using (IConsulClient consulClient = _consulClientFactory.Create())
             {
-                QueryResult<KVPair> result = await consulClient.KV.Get(_source.Key, queryOptions, _source.CancellationToken);
+                QueryResult<KVPair> result = await consulClient.KV.Get(_source.Key, queryOptions, _source.CancellationToken)
+                    .ConfigureAwait(false);
                 switch (result.StatusCode)
                 {
                     case HttpStatusCode.OK:
@@ -61,7 +62,7 @@ private async Task PollForChanges(Action<ConsulWatchExceptionContext> onExceptio
             {
                 try
                 {
-                    if (await HasValueChanged())
+                    if (await HasValueChanged().ConfigureAwait(false))
                     {
                         var previousToken = Interlocked.Exchange(ref _reloadToken, new ConfigurationReloadToken());
                         previousToken.OnReload();
@@ -84,7 +85,7 @@ private async Task<bool> HasValueChanged()
                 queryOptions = new QueryOptions { WaitIndex = _lastIndex };
             }
 
-            var result = await GetKVPair(queryOptions);
+            var result = await GetKVPair(queryOptions).ConfigureAwait(false);
             return result != null && UpdateLastIndex(result);
         }
 

src/Winton.Extensions.Configuration.Consul/ConsulConfigurationProvider.cs

@@ -31,7 +31,7 @@ public ConsulConfigurationProvider(IConsulConfigurationSource source, IConsulCon
                     () => _consulConfigClient.Watch(_source.OnWatchException),
                     async () =>
                     {
-                        await DoLoad(reloading: true);
+                        await DoLoad(reloading: true).ConfigureAwait(false);
                         OnReload();
                     });
             }
@@ -53,7 +53,7 @@ private async Task DoLoad(bool reloading)
         {
             try
             {
-                IConfigQueryResult configQueryResult = await _consulConfigClient.GetConfig();
+                IConfigQueryResult configQueryResult = await _consulConfigClient.GetConfig().ConfigureAwait(false);
                 if (!configQueryResult.Exists && !_source.Optional)
                 {
                     if (!reloading)