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iiab/roles/openvpn/templates/announcer.j2
2018-08-14 05:34:15 -04:00

37 lines
1.4 KiB
Django/Jinja
Executable file

#!/bin/bash -x
# Small daemon to identify this machine to the OpenVPN server
HANDLE=
UUID=
if [ -f /etc/iiab/openvpn_handle ]; then
# Option #0: Might source directly from /etc/iiab/local_vars.yml in future
# Option #1
HANDLE=`cat /etc/iiab/openvpn_handle`
else
# Option #2: Dangerous to invoke hypothetical variables :(
source /etc/iiab/iiab.env
# Option #3: CAUSED FAILURES IN AUGUST 2018, invoking stale variable from /etc/iiab/iiab.ini, but safer now that relegated to #3 ?
if [ -z "$HANDLE" ]; then
HANDLE=`cat /etc/iiab/iiab.ini | gawk \
'{ if((toupper($1) == "HANDLE") && ($2 == "=")) { print $3;}}'`
fi
fi
HANDLE=${HANDLE// /_}
if [ -f /etc/iiab/uuid ]; then
UUID=`cat /etc/iiab/uuid`
fi
SERVER=/usr/bin/ncat
ID=`printf "HANDLE = %s|UUID = %s" $HANDLE $UUID`
# August 2018: Removal of trailing slash tested on Raspbian, Ubuntu 18.04 & Ubuntu 16.04
#ID=`printf "HANDLE = %s|UUID = %s|" $HANDLE $UUID`
# Start the daemon which will serve the handle on demand
{% if is_debuntu %}
$SERVER -l -k -p1705 --exec "/bin/echo $ID" &
{% else %}
source /etc/init.d/functions
PID_FILE=/var/run/openvpn/announce.pid
daemon --pidfile=${PID_FILE} $SERVER "-l -k -p1705 --exec \"/usr/bin/echo $ID\"" &
#daemon --pidfile=${PID_FILE} $SERVER "-l -k -p1705 --exec \"/usr/bin/echo $(printf 'HANDLE = %s|UUID = %s' $HANDLE $UUID)\"" &
{% endif %}