Resolve "Add Thanos grpc port for Thanos Hardening"

General MR

Summary

The current multireplica auth policy for monitoring needs enhanced to allow hardening to work inside of Thanos as well.

Relevant logs/screenshots

N/A

Linked Issue

#214 (closed)

Upgrade Notices

N/A

chart/templates/bigbang/authorizationpolicies/multi-replica-policy.yaml

-{{- if and .Values.prometheus.prometheusSpec.replicas (gt (int .Values.prometheus.prometheusSpec.replicas) 1) }}
+{{- if and .Values.prometheus.prometheusSpec.replicas (gt (int .Values.prometheus.prometheusSpec.replicas) 1) .Values.istio.enabled .Values.istio.hardened.enabled }}
 {{- if and .Values.istio.enabled (eq .Values.istio.injection "enabled") -}}
 apiVersion: security.istio.io/v1beta1
 kind: AuthorizationPolicy
@@ -13,7 +13,11 @@ spec:
   rules:
   - from:
     - source:
-        namespaces: ["{{ template "kube-prometheus-stack.namespace" . }}"]
+        namespaces:
+          - "{{ template "kube-prometheus-stack.namespace" . }}"
+        {{- if .Values.prometheus.thanosService.enabled }}
+          - "thanos"
+        {{- end }}
     to:
     - operation:
         methods: ["GET", "POST"]
@@ -25,6 +29,7 @@ spec:
         - "8080"
       {{- if .Values.prometheus.thanosService.enabled }}
         - "{{ .Values.prometheus.thanosService.httpPort}}"
+        - "{{ .Values.prometheus.thanosService.port}}"
       {{- end }}
 {{- end }}
 {{- end }}
\ No newline at end of file