Minio mTLS metrics

Package Merge Request

Package Changes

Changes/Effects:

• Enabled metrics annotations via tenant.metrics.enabled
• Uses annotations to make use of Istio metrics merging (so that minio metrics are available via 15020 (sidecar metrics port)
• Disables the operator provided scrape config in favor of using the istio podmonitor to grab these metrics

Metrics are now scraped by the monitoring-monitoring-kube-istio-envoy scrape job instead of minio-minio-minio-instance-minio-job. This means that dashboard users need to select a different job in the dropdown to see this information.

For Issue

Closes https://repo1.dso.mil/platform-one/big-bang/apps/application-utilities/minio/-/issues/30

chart/templates/minio/minio/values.yaml

@@ -47,7 +47,11 @@ tenant:
     pullPolicy: {{ .Values.imagePullPolicy }}
   imagePullSecret:
     name: private-registry
+  metrics:
+    enabled: {{ .Values.monitoring.enabled }}
   {{- if .Values.monitoring.enabled }}
-  prometheusOperator: true
-  {{- end }}    
+  env:
+    - name: MINIO_PROMETHEUS_AUTH_TYPE
+      value: "public"
+  {{- end }}
 {{- end -}}