Merge branch 'prometheus-net-policy' into 'main'

Prometheus net policy

See merge request !9

CHANGELOG.md

 # Changelog
 
+---
+## [29.1.0-bb.5] - 2021-06-30
+### Added
+- Network policy to allow prometheus scraping of istio envoy sidecar
+
 ## [29.1.0-bb.4]
 ### Changed
 - kube-api network policy toggle

chart/Chart.yaml

 apiVersion: v2
 name: nexus-repository-manager
-version: 29.1.0-bb.4
+version: 29.1.0-bb.5
 appVersion: 3.29.0
 description: Sonatype Nexus Repository Manager - Universal Binary repository
 type: application

chart/templates/bigbang/networkpolicies/allow-ingress-prometheus.yaml

+{{- if and .Values.networkPolicies.enabled .Values.monitoring.enabled }}
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: allow-ingress-prometheus
+  namespace: {{ .Release.Namespace }}
+spec:
+  podSelector: {}
+  policyTypes:
+    - Ingress
+  ingress:
+  - from:
+    - namespaceSelector:
+        matchLabels:
+          app.kubernetes.io/name: monitoring
+      podSelector:
+        matchLabels:
+          app: prometheus
+    ports:
+    - protocol: TCP
+      port: 15020
+{{- end }}