disabling sampling of requests in default host.json

src/Azure.Functions.Cli/StaticResources/host.json

@@ -1,3 +1,11 @@
 {
-    "version":  "2.0"
+  "version": "2.0",
+  "logging": {
+    "applicationInsights": {
+      "samplingExcludedTypes": "Request",
+      "samplingSettings": {
+        "isEnabled": true
+      }
+    }
+  }
 }

test/Azure.Functions.Cli.Tests/E2E/InitTests.cs

@@ -416,6 +416,33 @@ public Task init_function_app_powershell_supports_managed_dependencies()
             }, _output);
         }
 
+        [Fact]
+        public Task init_function_app_contains_logging_config()
+        {
+            return CliTester.Run(new RunConfiguration
+            {
+                Commands = new[] { "init . --worker-runtime node" },
+                CheckFiles = new FileResult[]
+                {
+                    new FileResult
+                    {
+                        Name = "host.json",
+                        ContentContains = new []
+                        {
+                            "applicationInsights",
+                            "samplingExcludedTypes",
+                            "Request",
+                            "logging"
+                        }
+                    }
+                },
+                OutputContains = new[]
+                {
+                    "Writing host.json"
+                }
+            }, _output);
+        }
+
         [Fact]
         public Task init_managed_dependencies_is_only_supported_in_powershell()
         {