Enabled Istio tracing

Need to check if Istio ingress appears in Zipkin. May require further changes.

Signed-off-by: Dmitrii Ustiugov <[email protected]>

Author: ustiugov

configs/istio/istio-minimal-operator.yaml

@@ -1,6 +1,17 @@
 apiVersion: install.istio.io/v1alpha1
 kind: IstioOperator
 spec:
+  meshConfig:
+    enableTracing: true
+    defaultConfig:
+      tracing:
+        # sample all requests, may not be desirable for high load experiments
+        sampling: 100.0
+        max_path_tag_length: 256
+        custom_tags:
+          clusterID:
+          environment:
+            name: ISTIO_META_CLUSTER_ID
   values:
     global:
       proxy: