Normalize properties before publishing to azure monitor for linux consumption (#5476)

Author: divyagandhisethi

src/WebJobs.Script.WebHost/Diagnostics/LinuxContainerEventGenerator.cs

@@ -38,7 +38,7 @@ public LinuxContainerEventGenerator(IEnvironment environment, Action<string> wri
 
         public static string DetailsEventRegex { get; } = $"{ScriptConstants.LinuxFunctionDetailsEventStreamName} (?<AppName>[^,]*),(?<FunctionName>[^,]*),\\\\\"(?<InputBindings>.*)\\\\\",\\\\\"(?<OutputBindings>.*)\\\\\",(?<ScriptType>[^,]*),(?<IsDisabled>[0|1])";
 
-        public static string AzureMonitorEventRegex { get; } = $"{ScriptConstants.LinuxAzureMonitorEventStreamName} (?<Level>[0-6]),(?<ResourceId>[^,]*),(?<OperationName>[^,]*),(?<Category>[^,]*),(?<RegionName>[^,]*),(?<Properties>[^,]*),(?<ContainerName>[^,\"]*),(?<TenantId>[^,\"]*),(?<EventTimestamp>[^,]+)";
+        public static string AzureMonitorEventRegex { get; } = $"{ScriptConstants.LinuxAzureMonitorEventStreamName} (?<Level>[0-6]),(?<ResourceId>[^,]*),(?<OperationName>[^,]*),(?<Category>[^,]*),(?<RegionName>[^,]*),\"(?<Properties>[^,]*)\",(?<ContainerName>[^,\"]*),(?<TenantId>[^,\"]*),(?<EventTimestamp>[^,]+)";
 
         private string StampName
         {
@@ -104,7 +104,7 @@ private void ConsoleWriter(string evt)
 
         public override void LogAzureMonitorDiagnosticLogEvent(LogLevel level, string resourceId, string operationName, string category, string regionName, string properties)
         {
-            _writeEvent($"{ScriptConstants.LinuxAzureMonitorEventStreamName} {(int)ToEventLevel(level)},{resourceId},{operationName},{category},{regionName},{properties},{_containerName},{TenantId}, {DateTime.UtcNow.ToString()}");
+            _writeEvent($"{ScriptConstants.LinuxAzureMonitorEventStreamName} {(int)ToEventLevel(level)},{resourceId},{operationName},{category},{regionName},{NormalizeString(properties)},{_containerName},{TenantId},{DateTime.UtcNow.ToString()}");
         }
     }
 }

test/WebJobs.Script.Tests/Diagnostics/LinuxContainerEventGeneratorTests.cs

@@ -214,7 +214,7 @@ public void ParseAzureMonitoringEvents(LogLevel level, string resourceId, string
                 p => Assert.Equal(operationName, p),
                 p => Assert.Equal(category, p),
                 p => Assert.Equal(regionName, p),
-                p => Assert.Equal(properties, p),
+                p => Assert.Equal(properties, UnNormalize(p)),
                 p => Assert.Equal(_containerName.ToUpperInvariant(), p),
                 p => Assert.Equal(_tenantId, p),
                 p => Assert.True(DateTime.TryParse(p, out DateTime dt)));