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proftpd
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#!/bin/sh
#
# Resource script for Proftpd
#
# Description: Manages Proftpd as an OCF resource in
# an Active-Passive High Availability setup.
#
# Author: Rajat Upadhyaya <urajat@novell.com> : Pure-FTPd script
# Author: Achim Stumpf <hakim.news@googlemail.com> : Rewrite as Proftpd
# License: GNU General Public License (GPL)
#
#
# usage: $0 {start|stop|status|monitor|validate-all|meta-data}
#
# The "start" arg starts Proftpd.
#
# The "stop" arg stops it.
#
# OCF parameters:
# OCF_RESKEY_binary
# OCF_RESKEY_conffile
# OCF_RESKEY_pidfile
# OCF_RESKEY_curl_binary
# OCF_RESKEY_curl_url
# OCF_RESKEY_test_user
# OCF_RESKEY_test_pass
#
##########################################################################
# Initialization:
: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
# Parameter defaults
OCF_RESKEY_binary_default="/usr/sbin/proftpd"
OCF_RESKEY_conffile_default="/etc/proftpd.conf"
OCF_RESKEY_pidfile_default="/var/run/proftpd.pid"
OCF_RESKEY_curl_binary_default="/usr/bin/curl"
OCF_RESKEY_curl_url_default="ftp://localhost/"
OCF_RESKEY_test_user_default="test"
OCF_RESKEY_test_pass_default=""
: ${OCF_RESKEY_binary=${OCF_RESKEY_binary_default}}
: ${OCF_RESKEY_conffile=${OCF_RESKEY_conffile_default}}
: ${OCF_RESKEY_pidfile=${OCF_RESKEY_pidfile_default}}
: ${OCF_RESKEY_curl_binary=${OCF_RESKEY_curl_binary_default}}
: ${OCF_RESKEY_curl_url=${OCF_RESKEY_curl_url_default}}
: ${OCF_RESKEY_test_user=${OCF_RESKEY_test_user_default}}
: ${OCF_RESKEY_test_pass=${OCF_RESKEY_test_pass_default}}
USAGE="Usage: $0 {start|stop|status|monitor|validate-all|meta-data}";
##########################################################################
usage() {
echo $USAGE >&2
}
meta_data() {
cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="proftpd" version="1.0">
<version>1.0</version>
<longdesc lang="en">
This script manages Proftpd in an Active-Passive setup
</longdesc>
<shortdesc lang="en">OCF Resource Agent compliant FTP script.</shortdesc>
<parameters>
<parameter name="binary" unique="0" required="0">
<longdesc lang="en">The Proftpd binary</longdesc>
<shortdesc lang="en">The Proftpd binary</shortdesc>
<content type="string" default="${OCF_RESKEY_binary_default}" />
</parameter>
<parameter name="conffile" unique="0" required="0">
<longdesc lang="en">
The Proftpd configuration file name with full path.
For example, "/etc/proftpd.conf"
</longdesc>
<shortdesc lang="en">Configuration file name with full path</shortdesc>
<content type="string" default="${OCF_RESKEY_conffile_default}" />
</parameter>
<parameter name="pidfile" unique="0" required="0">
<longdesc lang="en">The Proftpd PID file. The location of the PID file is configured in the Proftpd configuration file.</longdesc>
<shortdesc lang="en">PID file</shortdesc>
<content type="string" default="${OCF_RESKEY_pidfile_default}" />
</parameter>
<parameter name="curl_binary" unique="0" required="0">
<longdesc lang="en">The absolute path to the curl binary for monitoring with OCF_CHECK_LEVEL greater zero.</longdesc>
<shortdesc lang="en">The absolute path to the curl binary</shortdesc>
<content type="string" default="${OCF_RESKEY_curl_binary_default}" />
</parameter>
<parameter name="curl_url" unique="0" required="0">
<longdesc lang="en">The URL which is checked by curl with OCF_CHECK_LEVEL greater zero.</longdesc>
<shortdesc lang="en">The URL which is checked by curl</shortdesc>
<content type="string" default="${OCF_RESKEY_curl_url_default}" />
</parameter>
<parameter name="test_user" unique="0" required="0">
<longdesc lang="en">The name of the ftp user for monitoring with OCF_CHECK_LEVEL greater zero.</longdesc>
<shortdesc lang="en">The name of the ftp user</shortdesc>
<content type="string" default="${OCF_RESKEY_test_user_default}" />
</parameter>
<parameter name="test_pass" unique="0" required="0">
<longdesc lang="en">The password of the ftp user for monitoring with OCF_CHECK_LEVEL greater zero.</longdesc>
<shortdesc lang="en">The password of the ftp user</shortdesc>
<content type="string" default="${OCF_RESKEY_test_pass_default}" />
</parameter>
</parameters>
<actions>
<action name="start" timeout="20s" />
<action name="stop" timeout="20s" />
<action name="monitor" depth="0" timeout="20s" interval="60s" />
<action name="monitor" depth="10" timeout="20s" interval="120s" />
<action name="validate-all" timeout="20s" />
<action name="meta-data" timeout="5s" />
</actions>
</resource-agent>
END
exit $OCF_SUCCESS
}
isRunning()
{
kill -s 0 "$1" > /dev/null 2>&1
}
proftpd_status()
{
if [ -f "$OCF_RESKEY_pidfile" ]
then
# Proftpd is probably running
PID=`head -n 1 $OCF_RESKEY_pidfile`
if [ ! -z "$PID" ] ; then
isRunning "$PID" && `ps -p $PID | grep proftpd > /dev/null 2>&1`
return $?
fi
fi
# Proftpd is not running
return $OCF_NOT_RUNNING;
}
proftpd_start()
{
# make a few checks and start Proftpd
if ocf_is_root ; then : ; else
ocf_log err "You must be root"
exit $OCF_ERR_PERM
fi
# if Proftpd is running return success
if proftpd_status ; then
ocf_log info "Proftpd is running already"
exit $OCF_SUCCESS
fi
# starting Proftpd
${OCF_RESKEY_binary} --config ${OCF_RESKEY_conffile} 2>/dev/null
if [ "$?" -ne 0 ]; then
ocf_log err "Proftpd returned error" $?
exit $OCF_ERR_GENERIC
fi
exit $OCF_SUCCESS
}
proftpd_stop()
{
if proftpd_status ; then
PID=`head -n 1 $OCF_RESKEY_pidfile`
if [ ! -z "$PID" ]; then
ocf_log info "Killing Proftpd PID $PID"
kill $PID > /dev/null 2>&1
if [ "$?" -eq 0 ]; then
TRIES=0
while isRunning "$PID" && [ "$TRIES" -lt 30 ]
do
sleep 1
ocf_log info "Proftpd PID $PID is still running"
TRIES=`expr $TRIES + 1`
done
isRunning "$PID"
RET=$?
if [ "$RET" -eq 0 ]; then
ocf_log info "Killing Proftpd PID $PID with SIGKILL"
kill -s 9 $PID > /dev/null 2>&1
while isRunning "$PID"
do
sleep 1
ocf_log info "Proftpd PID $PID is still running"
done
fi
else
ocf_log err "Killing Proftpd PID $PID FAILED"
exit $OCF_ERR_GENERIC
fi
fi
fi
exit $OCF_SUCCESS
}
proftpd_monitor()
{
proftpd_status
RET=$?
if [ "$RET" -ne 0 -o "$OCF_CHECK_LEVEL" = 0 ]; then
if [ "$RET" -eq 0 ]; then
PID=`head -n 1 $OCF_RESKEY_pidfile`
ocf_log debug "Proftpd monitor on PID $PID succeeded"
return $OCF_SUCCESS
else
ocf_log debug "Proftpd monitor on PID $PID failed"
return $OCF_NOT_RUNNING
fi
else
${OCF_RESKEY_curl_binary} -sS -u "${OCF_RESKEY_test_user}:${OCF_RESKEY_test_pass}" ${OCF_RESKEY_curl_url} > /dev/null 2>&1
if [ "$?" -eq 0 ]; then
ocf_log debug "Proftpd monitor with curl on URL $OCF_RESKEY_curl_url succeeded"
return $OCF_SUCCESS
else
ocf_log err "Proftpd monitor with curl on URL $OCF_RESKEY_curl_url failed"
return $OCF_NOT_RUNNING
fi
fi
}
proftpd_validate_all()
{
# check that the proftpd binary exists
if [ ! -x "$OCF_RESKEY_binary" ]; then
ocf_log err "Proftpd binary $OCF_RESKEY_binary does not exist"
exit $OCF_ERR_INSTALLED
fi
# check that the Proftpd config file exists
if [ ! -f "$OCF_RESKEY_conffile" ]; then
ocf_log err "Proftpd config file $OCF_RESKEY_conffile does not exist"
exit $OCF_ERR_CONFIGURED
fi
# check that the curl binary exists
if [ ! -x "$OCF_RESKEY_curl_binary" ]; then
ocf_log err "$OCF_RESKEY_curl_binary does not exist"
exit $OCF_ERR_INSTALLED
fi
}
#
# Main
#
if [ $# -ne 1 ]
then
usage
exit $OCF_ERR_ARGS
fi
case $1 in
start) proftpd_validate_all
proftpd_start
;;
stop) proftpd_stop
;;
status) if proftpd_status
then
ocf_log info "Proftpd is running"
exit $OCF_SUCCESS
else
ocf_log info "Proftpd is stopped"
exit $OCF_NOT_RUNNING
fi
;;
monitor) proftpd_monitor
exit $?
;;
validate-all) proftpd_validate_all
exit $OCF_SUCCESS
;;
meta-data) meta_data
;;
usage) usage
exit $OCF_SUCCESS
;;
*) usage
exit $OCF_ERR_UNIMPLEMENTED
;;
esac
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