#!/bin/sh

### BEGIN INIT INFO
# Provides:
# Required-Start: $remote_fs $network $syslog
# Required-Stop: $remote_fs $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Glance Test Config
# Description: OpenStack Image Test Config
### END INIT INFO


TEMPEST_CONF_FILE=/etc/tempest/tempest.conf
temp_file="/tmp/do_note_delete_me.temp"


function get_field() {
    while read data; do
        if [ "$1" -lt 0 ]; then
            field="(\$(NF$1))"
        else
            field="\$$(($1 + 1))"
        fi
        echo "$data" | awk -F'[ \t]*\\|[ \t]*' "{print $field}"
    done
}

start()
{
    if [ -e $TEMPEST_CONF_FILE ]; then
        sleep 5
        source /etc/nova/openrc
        glance image-list > $temp_file 2>&1
        if [ "$?" != "0" ]; then
            echo "Glance service is not running"
            exit 1
        fi
        id=`sed -n '4p' < $temp_file | get_field 1`
        glance image-show $id > /dev/null 2>&1
        if [ "$?" != "0" ]; then
            cirros_image_file=`find /root/images/ -name "cirros*.img" | tail -1`
            id=`glance image-create --name myfirstimage --is-public true --container-format bare --disk-format qcow2 --file ${cirros_image_file} | grep " id " | get_field 2`
        fi
        sed -i "s/^image_ref = .*/image_ref = ${id}/" $TEMPEST_CONF_FILE
        sed -i "s/^image_ref_alt = .*/image_ref_alt = ${id}/" $TEMPEST_CONF_FILE
        rm -f $temp_file > /dev/null 2>&1

        nslookup google.com
        [ "$?" != "0" ] && echo "WARNING: Make sure DNS server is setup correctly or else some tempest testcases will fail"
    fi
}

case "$1" in
    start)
        start
        ;;
    stop|force-reload|restart|reload|status)
        echo "WARNING: command $1 is not supported"
        ;;
    *)
        echo "Usage: $0 {start|stop|force-reload|restart|reload|status}"
        exit 1
        ;;
esac

exit 0