Add RoleName to headers in ping requests to QuickPulse

WEB/Src/PerformanceCollector/Perf.Shared.NetFull/Implementation/QuickPulse/QuickPulseServiceClient.cs

@@ -354,6 +354,7 @@ private void AddHeaders(HttpWebRequest request, bool includeIdentityHeaders, str
                 request.Headers.Add(QuickPulseConstants.XMsQpsInstanceNameHeaderName, this.instanceName);
                 request.Headers.Add(QuickPulseConstants.XMsQpsStreamIdHeaderName, this.streamId);
                 request.Headers.Add(QuickPulseConstants.XMsQpsMachineNameHeaderName, this.machineName);
+                request.Headers.Add(QuickPulseConstants.XMsQpsRoleNameHeaderName, this.roleName);
                 request.Headers.Add(QuickPulseConstants.XMsQpsInvariantVersionHeaderName,
                     MonitoringDataPoint.CurrentInvariantVersion.ToString(CultureInfo.InvariantCulture));
             }

WEB/Src/PerformanceCollector/Perf.Shared.NetStandard/Implementation/QuickPulse/QuickPulseServiceClient.cs

@@ -383,6 +383,7 @@ private void AddHeaders(HttpRequestMessage request, bool includeIdentityHeaders,
                 request.Headers.TryAddWithoutValidation(QuickPulseConstants.XMsQpsInstanceNameHeaderName, this.instanceName);
                 request.Headers.TryAddWithoutValidation(QuickPulseConstants.XMsQpsStreamIdHeaderName, this.streamId);
                 request.Headers.TryAddWithoutValidation(QuickPulseConstants.XMsQpsMachineNameHeaderName, this.machineName);
+                request.Headers.TryAddWithoutValidation(QuickPulseConstants.XMsQpsRoleNameHeaderName, this.roleName);
                 request.Headers.TryAddWithoutValidation(QuickPulseConstants.XMsQpsInvariantVersionHeaderName,
                     MonitoringDataPoint.CurrentInvariantVersion.ToString(CultureInfo.InvariantCulture));
             }

WEB/Src/PerformanceCollector/Perf.Tests/QuickPulse/QuickPulseServiceClientTests.cs

@@ -1309,10 +1309,11 @@ public void QuickPulseServiceClientSubmitsStreamIdToServiceWithPing()
         {
             // ARRANGE
             var streamId = "this stream";
+            var roleName = "Role-Name-1";
             var serviceClient = new QuickPulseServiceClient(
                 this.TestContext.Properties[ServiceEndpointPropertyName] as Uri,
                 string.Empty,
-                string.Empty,
+                roleName,
                 streamId,
                 string.Empty,
                 string.Empty,
@@ -1331,6 +1332,7 @@ public void QuickPulseServiceClientSubmitsStreamIdToServiceWithPing()
             Assert.AreEqual(1, this.pings.Count);
             Assert.AreEqual(streamId, this.pings[0].Item1.StreamId);
             Assert.AreEqual(streamId, this.pings[0].Item3.StreamId);
+            Assert.AreEqual(roleName, this.pings[0].Item1.RoleName);
         }
 
         [TestMethod]
@@ -2115,6 +2117,7 @@ private void ProcessRequest(HttpListener listener, AutoResetEvent ev)
                                 var invariantVersion =
                                     context.Request.Headers[QuickPulseConstants.XMsQpsInvariantVersionHeaderName];
                                 var streamId = context.Request.Headers[QuickPulseConstants.XMsQpsStreamIdHeaderName];
+                                var roleName = context.Request.Headers[QuickPulseConstants.XMsQpsRoleNameHeaderName];
                                 var collectionConfigurationETag =
                                     context.Request.Headers[QuickPulseConstants.XMsQpsConfigurationETagHeaderName];
 
@@ -2125,6 +2128,7 @@ private void ProcessRequest(HttpListener listener, AutoResetEvent ev)
                                             TransmissionTime = new DateTimeOffset(transmissionTime, TimeSpan.Zero),
                                             InstanceName = instanceName,
                                             MachineName = machineName,
+                                            RoleName = roleName,
                                             InvariantVersion = int.Parse(invariantVersion, CultureInfo.InvariantCulture),
                                             StreamId = streamId
                                         },
@@ -2204,6 +2208,8 @@ private class PingHeaders
             public int InvariantVersion { get; set; }
 
             public string StreamId { get; set; }
+
+            public string RoleName { get; set; }
         }
     }
 }

WEB/Src/PerformanceCollector/PerformanceCollector/Implementation/QuickPulse/QuickPulseConstants.cs

@@ -35,6 +35,11 @@ internal static class QuickPulseConstants
         /// </summary>
         internal const string XMsQpsMachineNameHeaderName = "x-ms-qps-machine-name";
 
+        /// <summary>
+        /// Role name header.
+        /// </summary>
+        internal const string XMsQpsRoleNameHeaderName = "x-ms-qps-role-name";
+
         /// <summary>
         /// Invariant version header.
         /// </summary>