feat(surveyor): add option to enable gateway metrics (#1143)

Add option to enable exporting gateway metrics.

Co-authored-by: Flavio Ramalho <f.ramalhoo@gmail.com>

Author: flaviodsr

helm/charts/surveyor/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: surveyor
 description: NATS Monitoring, Simplified.
 type: application
-version: 0.20.7
+version: 0.20.8
 appVersion: 0.9.7
 maintainers:
   - email: info@nats.io

helm/charts/surveyor/templates/deployment.yaml

@@ -56,6 +56,10 @@ spec:
             - --accounts
            {{- end }}
 
+           {{- with .gatewayz }}
+            - --gatewayz
+           {{- end }}
+
            {{- with .accountsDetailed }}
             - --accounts-detailed
            {{- end }}

helm/charts/surveyor/values.yaml

@@ -111,6 +111,9 @@ config:
   # Enable granular per-account bytes and message metrics
   accountsDetailed: false
 
+  # Enable gatewayz metrics.
+  gatewayz: false
+
   # jsz metrics optionally
   jsz: