Resolve "Add custom network policies"

General MR

Summary

Adding custom network policies at the values-level

Relevant logs/screenshots

Override Test

addons:
  gitlab:
    values:
      networkPolicies:
        enabled: true
        additionalPolicies:
        - name: this-is-a-gitlab-job-test-test
          spec:
            podSelector: {}
            policyTypes:
            - Egress
            egress:
            - to:
              - ipBlock:
                  cidr: 172.20.0.0/12

Linked Issue

issue

Upgrade Notices

Adding custom network policies at the values-level using:

networkPolicies:
   additionalPolicies: []

chart/templates/bigbang/networkpolicies/additional-networkpolicies.yaml

+{{- /* Adds additional network policies based on values */ -}}
+{{- if .Values.networkPolicies.enabled }}
+{{- range $policy := .Values.networkPolicies.additionalPolicies -}}
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: {{ $policy.name }}
+spec:
+  {{ tpl ($policy.spec | toYaml) $ | nindent 2 }}
+---
+{{- end }}
+{{- end }}
\ No newline at end of file