Added randomvpn service and script

randomvpn

@@ -0,0 +1,24 @@
+#!/usr/bin/env sh
+# Script to select a random VPN client from /etc/openvpn/client/ (the default openvpn directory)
+
+workdir="/etc/openvpn/client/"
+
+if [ $UID -ne 0 ]; then
+  echo "You need root privileges."
+  exit
+fi
+
+if [ "$1" == "stop" ]; then
+  systemctl stop openvpn-client@*
+  exit
+fi
+
+if command -v openvpn > /dev/null && command -v systemctl > /dev/null; then
+  cd "$workdir"
+  vpn=$(shuf -ezn 1 * | xargs -0 -n1 | cut -f1 -d '.')
+  $(sudo systemctl start openvpn-client@$vpn)
+  exit
+else
+  echo "OpenVPN or systemd not installed, exiting."
+  exit
+fi

system-bin/randomvpn

@@ -0,0 +1,24 @@
+#!/usr/bin/env sh
+# Script to select a random VPN client from /etc/openvpn/client/ (the default openvpn directory)
+
+workdir="/etc/openvpn/client/"
+
+if [ $UID -ne 0 ]; then
+  echo "You need root privileges."
+  exit
+fi
+
+if [ "$1" == "stop" ]; then
+  systemctl stop openvpn-client@*
+  exit
+fi
+
+if command -v openvpn > /dev/null && command -v systemctl > /dev/null; then
+  cd "$workdir"
+  vpn=$(shuf -ezn 1 * | xargs -0 -n1 | cut -f1 -d '.')
+  $(sudo systemctl start openvpn-client@$vpn)
+  exit
+else
+  echo "OpenVPN or systemd not installed, exiting."
+  exit
+fi

system-units/randomvpn.service

@@ -0,0 +1,20 @@
+[Unit]
+Description=Random VPN client
+After=syslog.target network-online.target
+Wants=network-online.target
+
+[Service]
+Type=oneshot
+WorkingDirectory=/etc/openvpn/client/
+ProtectHome=true
+ProtectSystem=strict
+ExecStart=/usr/bin/randomvpn
+RemainAfterExit=yes
+CapabilityBoundingSet=CAP_IPC_LOCK CAP_NET_ADMIN CAP_NET_RAW CAP_SETGID CAP_SETUID CAP_SYS_CHROOT CAP_DAC_OVERRIDE LimitNPROC=10
+DeviceAllow=/dev/null rw
+DeviceAllow=/dev/net/tun rw
+ExecStop=/usr/bin/randomvpn stop
+KillMode=process
+
+[Install]
+WantedBy=multi-user.target

system-units/rnetworking.timer

@@ -1,8 +1,8 @@
 [Unit]
  Description=Comprobación automatica de servicios de red cada 5 minutos
 [Timer]
- OnBootSec=2min
- OnUnitActiveSec=10min
+ OnBootSec=1min
+ OnUnitActiveSec=5min
  Unit=rnetworking.service
 
 [Install]