add gateway permissions (#100)

* elevate gateway privileges

* bump chart version

Author: wojcik91

charts/defguard-gateway/Chart.yaml

@@ -3,5 +3,5 @@ name: defguard-gateway
 description: Defguard gateway is a public-facing VPN endpoint.
 
 type: application
-version: 0.4.0
+version: 0.4.1
 appVersion: 1.5.1

charts/defguard-gateway/values.yaml

@@ -42,7 +42,14 @@ resources: {}
 # defguard-gateway pod security context
 podSecurityContext: {}
 # defguard-gateway container security context
-securityContext: {}
+# elevated priveleges are required for managing network interfaces
+securityContext:
+  allowPrivilegeEscalation: true
+  privileged: true
+  capabilities:
+    add:
+      - NET_ADMIN
+      - SYS_MODULE
 # defguard-gateway pod additional ENV from configmap
 additionalEnvFromConfigMap: ""
 # defguard-gateway health check configuration