#! /bin/sh

NAME=${1:-"myinstance"}
BASE="/var/lib/"
SHOME=${BASE}${NAME}

if [ -d ${SHOME} ]; then
    echo "directory ${SHOME} already exists"
    exit 1
fi

echo "creating ${SHOME} structure"
mkdir -p ${SHOME}/bin ${SHOME}/data ${SHOME}/etc

echo -n "changing directory to: "
pushd ${SHOME}
cat > bin/service <<EOT
#!/bin/sh
#
# init script that can be symlinked from /etc/init.d
#

# chkconfig: - 90 15
# description: ${NAME} - simplevisor instance
### BEGIN INIT INFO
# Provides:          ${NAME}
# Required-Start:    \$remote_fs \$syslog
# Required-Stop:     \$remote_fs \$syslog
# Default-Start:     3 4 5
# Default-Stop:      0 1 2 6
# Description:       Simple daemons supervisor: ${NAME}
# Short-Description: Simple daemons supervisor: ${NAME}
### END INIT INFO

. "${SHOME}/etc/simplevisor.profile"
exec "/usr/bin/simplevisor-control" \${1+"\$@"}
EOT
chmod +x bin/service
echo "$SHOME/bin/service created"

cat > etc/simplevisor.profile <<EOT
# main
export SIMPLEVISOR_NAME=${NAME}
# if you want to run it as another user:
#export SIMPLEVISOR_USER=games
export SIMPLEVISOR_CONF=${SHOME}/etc/simplevisor.conf
export SIMPLEVISOR_PIDFILE=${SHOME}/data/simplevisor.pid
export SIMPLEVISOR_LOCKFILE=${SHOME}/data/simplevisor.lock
EOT
echo "$SHOME/etc/simplevisor.profile created"

cat > etc/simplevisor.conf <<EOT
<simplevisor>
    store = ${SHOME}/data/simplevisor.json
    # log = (stdout|syslog|file)
    log = syslog
    #logfile = ${SHOME}/log/simplevisor.log
    # (debug|info|warning|error|critical)
    loglevel = info
</simplevisor>

<<include simplevisor.services>>
EOT
echo "$SHOME/etc/simplevisor.conf created"

cat > etc/simplevisor.services <<EOT
<entry>
  type = supervisor
  name = ${NAME}
  <children>
     <entry>
        type = service
        name = httpd
        expected = running
        control = /sbin/service httpd
    </entry>
    <entry>
        type = service
        name = ntpd
        expected = running
        control = /sbin/service ntpd
    </entry>
 </children>
</entry>
EOT
echo "$SHOME/etc/simplevisor.services created"

echo -n "changing directory to: "
popd


ln -s ${SHOME}/bin/service /etc/init.d/${NAME}
chkconfig --add ${NAME}
echo "/etc/init.d/${NAME} created"

echo "
*******************************

All the supervisor's file live in ${SHOME}

customize the supervisor:
${SHOME}/etc/simplevisor.conf

declare your services:
${SHOME}/etc/simplevisor.services

and start the supervisor:
$ /sbin/service ${NAME} start

for more commands:
$ /sbin/service ${NAME}
"