[stable/openvpn/ Exec OpenVPN Process (#15575)

* Exec OpenVPN

Signed-off-by: Luke Addison <luke.addison@jetstack.io>

* Add signal explanation comment

Signed-off-by: Luke Addison <luke.addison@jetstack.io>

stable/openvpn/Chart.yaml

@@ -3,7 +3,7 @@ description: A Helm chart to install an openvpn server inside a kubernetes clust
   generation is also part of the deployment, and this chart will generate client keys
   as needed.
 name: openvpn
-version: 3.13.1
+version: 3.13.2
 appVersion: 1.1.0
 maintainers:
 - name: jfelten

stable/openvpn/templates/config-openvpn.yaml

@@ -155,7 +155,8 @@ data:
       sed 's|NETWORK|'"${NETWORK}"'|' -i /etc/openvpn/openvpn.conf
       sed 's|NETMASK|'"${NETMASK}"'|' -i /etc/openvpn/openvpn.conf
 
-      openvpn --config /etc/openvpn/openvpn.conf
+      # exec openvpn process so it receives lifecycle signals
+      exec openvpn --config /etc/openvpn/openvpn.conf
   openvpn.conf: |-
       server {{ .Values.openvpn.OVPN_NETWORK }} {{ .Values.openvpn.OVPN_SUBNET }}
       verb 3