Made some tweaks, hopefully not breaking things.

openvpn/start.sh

@@ -1,6 +1,7 @@
 #!/bin/bash
 VPN_PROVIDER="${OPENVPN_PROVIDER,,}"
 VPN_PROVIDER_CONFIGS="/etc/openvpn/${VPN_PROVIDER}"
+OPENVPN_CREDS=/config/openvpn-credentials.txt
 
 if [[ "${OPENVPN_PROVIDER}" == "**None**" ]] || [[ -z "${OPENVPN_PROVIDER-}" ]]; then
   echo "OpenVPN provider not set. Exiting."
@@ -41,7 +42,7 @@ fi
 
 # add OpenVPN user/pass
 if [[ "${OPENVPN_USERNAME}" == "**None**" ]] || [[ "${OPENVPN_PASSWORD}" == "**None**" ]] ; then
-  if [[ ! -f /data/openvpn-credentials.txt ]] ; then
+  if [[ ! -f "${OPENVPN_CREDS}" ]] ; then
     echo "OpenVPN credentials not set. Exiting."
     exit 1
   fi
@@ -49,9 +50,10 @@ if [[ "${OPENVPN_USERNAME}" == "**None**" ]] || [[ "${OPENVPN_PASSWORD}" == "**N
 else
   echo "Setting OPENVPN credentials..."
   mkdir -p /data
-  echo "${OPENVPN_USERNAME}" > /data/openvpn-credentials.txt
-  echo "${OPENVPN_PASSWORD}" >> /data/openvpn-credentials.txt
-  chmod 600 /data/openvpn-credentials.txt
+  touch "${OPENVPN_CREDS}"
+  chmod 600 "${OPENVPN_CREDS}"
+  echo "${OPENVPN_USERNAME}" >> "${OPENVPN_CREDS}"
+  echo "${OPENVPN_PASSWORD}" >> "${OPENVPN_CREDS}"
 fi
 
 ## add deluge credentials from env vars