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diff --git a/heartbeat/named b/heartbeat/named
index c11b4e5c1..444a0c8b7 100755
--- a/heartbeat/named
+++ b/heartbeat/named
@@ -1,454 +1,454 @@
#!/bin/sh
#
# Description: Manages a named (Bind) server as an OCF High-Availability
# resource
#
# Authors: Serge Dubrouski (sergeyfd@gmail.com)
#
# Copyright: 2011 Serge Dubrouski <sergeyfd@gmail.com>
#
# License: GNU General Public License (GPL)
#
###############################################################################
# Initialization:
: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
#Defaults
OCF_RESKEY_named_default="/usr/sbin/named"
OCF_RESKEY_rndc_default="/usr/sbin/rndc"
OCF_RESKEY_host_default="/usr/bin/host"
OCF_RESKEY_named_user_default=named
OCF_RESKEY_named_config_default=""
OCF_RESKEY_named_pidfile_default="/var/run/named/named.pid"
OCF_RESKEY_named_rootdir_default=""
OCF_RESKEY_named_options_default=""
OCF_RESKEY_named_keytab_file_default=""
OCF_RESKEY_monitor_request_default="localhost"
OCF_RESKEY_monitor_response_default="127.0.0.1"
OCF_RESKEY_monitor_ip_default="127.0.0.1"
: ${OCF_RESKEY_named=${OCF_RESKEY_named_default}}
: ${OCF_RESKEY_rndc=${OCF_RESKEY_rndc_default}}
: ${OCF_RESKEY_host=${OCF_RESKEY_host_default}}
: ${OCF_RESKEY_named_user=${OCF_RESKEY_named_user_default}}
: ${OCF_RESKEY_named_config=${OCF_RESKEY_named_config_default}}
: ${OCF_RESKEY_named_pidfile=${OCF_RESKEY_named_pidfile_default}}
: ${OCF_RESKEY_named_rootdir=${OCF_RESKEY_named_rootdir_default}}
: ${OCF_RESKEY_named_options=${OCF_RESKEY_named_options_default}}
: ${OCF_RESKEY_named_keytab_file=${OCF_RESKEY_named_keytab_file_default}}
: ${OCF_RESKEY_monitor_request=${OCF_RESKEY_monitor_request_default}}
: ${OCF_RESKEY_monitor_response=${OCF_RESKEY_monitor_response_default}}
: ${OCF_RESKEY_monitor_ip=${OCF_RESKEY_monitor_ip_default}}
usage() {
cat <<EOF
usage: $0 start|stop|reload|status|monitor|meta-data|validate-all|methods
$0 manages named (Bind) server as an HA resource.
The 'start' operation starts named server.
The 'stop' operation stops named server.
The 'reload' operation reload named configuration.
The 'status' operation reports whether named is up.
The 'monitor' operation reports whether named is running.
The 'validate-all' operation reports whether parameters are valid.
The 'methods' operation reports on the methods $0 supports.
EOF
return $OCF_ERR_ARGS
}
named_meta_data() {
cat <<EOF
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="named">
<version>1.0</version>
<longdesc lang="en">
Resource script for named (Bind) server. It manages named as an HA resource.
</longdesc>
<shortdesc lang="en">Manages a named server</shortdesc>
<parameters>
<parameter name="named" unique="0" required="0">
<longdesc lang="en">
Path to the named command.
</longdesc>
<shortdesc lang="en">named</shortdesc>
<content type="string" default="${OCF_RESKEY_named_default}" />
</parameter>
<parameter name="rndc" unique="0" required="0">
<longdesc lang="en">
Path to the rndc command.
</longdesc>
<shortdesc lang="en">rndc</shortdesc>
<content type="string" default="${OCF_RESKEY_rndc_default}" />
</parameter>
<parameter name="host" unique="0" required="0">
<longdesc lang="en">
Path to the host command.
</longdesc>
<shortdesc lang="en">host</shortdesc>
<content type="string" default="${OCF_RESKEY_host_default}" />
</parameter>
<parameter name="named_user" unique="0" required="0">
<longdesc lang="en">
User that should own named process.
</longdesc>
<shortdesc lang="en">named_user</shortdesc>
<content type="string" default="${OCF_RESKEY_named_user_default}" />
</parameter>
<parameter name="named_config" unique="1" required="0">
<longdesc lang="en">
Configuration file for named.
</longdesc>
<shortdesc lang="en">named_config</shortdesc>
<content type="string" default="${OCF_RESKEY_named_config_default}" />
</parameter>
<parameter name="named_pidfile" unique="1" required="0">
<longdesc lang="en">
PIDFILE file for named.
</longdesc>
<shortdesc lang="en">named_pidfile</shortdesc>
<content type="string" default="${OCF_RESKEY_named_pidfile_default}" />
</parameter>
<parameter name="named_rootdir" unique="1" required="0">
<longdesc lang="en">
Directory that named should use for chroot if any.
</longdesc>
<shortdesc lang="en">named_rootdir</shortdesc>
<content type="string" default="${OCF_RESKEY_named_rootdir_default}" />
</parameter>
<parameter name="named_options" unique="0" required="0">
<longdesc lang="en">
Options for named process if any.
</longdesc>
<shortdesc lang="en">named_options</shortdesc>
<content type="string" default="${OCF_RESKEY_named_options_default}" />
</parameter>
<parameter name="named_keytab_file" unique="0" required="0">
<longdesc lang="en">
named service keytab file (for GSS-TSIG).
</longdesc>
<shortdesc lang="en">named_keytab_file</shortdesc>
<content type="string" default="${OCF_RESKEY_named_keytab_file_default}" />
</parameter>
<parameter name="monitor_request" unique="0" required="0">
<longdesc lang="en">
Request that shall be sent to named for monitoring. Usually an A record in DNS.
</longdesc>
<shortdesc lang="en">monitor_request</shortdesc>
<content type="string" default="${OCF_RESKEY_monitor_request_default}" />
</parameter>
<parameter name="monitor_response" unique="0" required="0">
<longdesc lang="en">
Expected response from named server.
</longdesc>
<shortdesc lang="en">monitor_response</shortdesc>
<content type="string" default="${OCF_RESKEY_monitor_response_default}" />
</parameter>
<parameter name="monitor_ip" unique="0" required="0">
<longdesc lang="en">
IP Address where named listens.
</longdesc>
<shortdesc lang="en">monitor_ip</shortdesc>
<content type="string" default="${OCF_RESKEY_monitor_ip_default}" />
</parameter>
</parameters>
<actions>
<action name="start" timeout="60" />
<action name="stop" timeout="60" />
<action name="reload" timeout="60" />
<action name="status" timeout="10" />
<action name="monitor" depth="0" timeout="30" interval="30"/>
<action name="meta-data" timeout="5" />
<action name="validate-all" timeout="5" />
<action name="methods" timeout="5" />
</actions>
</resource-agent>
EOF
}
#
# methods: What methods/operations do we support?
#
named_methods() {
cat <<EOF
start
stop
status
monitor
methods
meta-data
validate-all
EOF
}
# Validate most critical parameters
named_validate_all() {
check_binary $OCF_RESKEY_named
check_binary $OCF_RESKEY_rndc
check_binary $OCF_RESKEY_host
if [ -n "$OCF_RESKEY_named_config" -a \
! -r "${OCF_RESKEY_named_rootdir}/${OCF_RESKEY_named_config}" ]; then
if ocf_is_probe; then
ocf_log info "Configuration file ${OCF_RESKEY_named_rootdir}/${OCF_RESKEY_named_config} not readable during probe."
else
ocf_log err "Configuration file ${OCF_RESKEY_named_rootdir}/${OCF_RESKEY_named_config} doesn't exist"
return $OCF_ERR_INSTALLED
fi
fi
getent passwd $OCF_RESKEY_named_user >/dev/null 2>&1
if [ ! $? -eq 0 ]; then
ocf_log err "User $OCF_RESKEY_named_user doesn't exist";
return $OCF_ERR_INSTALLED;
fi
if [ -z "$OCF_RESKEY_monitor_request" -o \
-z "$OCF_RESKEY_monitor_response" -o \
-z "$OCF_RESKEY_monitor_ip" ]; then
ocf_log err "None of monitor_request, monitor_response, and monitor_ip can be empty"
return $OCF_ERR_CONFIGURED
fi
return $OCF_SUCCESS
}
#
# named_getpid. Get pid of named process with a given parameters.
#
named_getpid () {
local pattern="$OCF_RESKEY_named"
if [ -n "$OCF_RESKEY_named_rootdir" ]; then
pattern="$pattern.*-t $OCF_RESKEY_named_rootdir"
fi
if [ -n "$OCF_RESKEY_named_config" ]; then
pattern="$pattern.*-c $OCF_RESKEY_named_config"
fi
pid=`ps -e -o pid,command,args | grep "$pattern" | grep -v grep | awk '{print $1}'`
echo $pid
}
#
# named_status. Simple check of the status of named process by pidfile.
#
named_status () {
ocf_pidfile_status ${OCF_RESKEY_named_pidfile} >/dev/null 2>&1
}
#
# named_monitor. Send a request to named and check response.
#
named_monitor() {
local output
if ! named_status
then
ocf_log info "named is down"
return $OCF_NOT_RUNNING
fi
output=`$OCF_RESKEY_host $OCF_RESKEY_monitor_request $OCF_RESKEY_monitor_ip`
- if [ $? -ne 0 ] || ! echo $output | grep -q '.* has address '"$OCF_RESKEY_monitor_response"
+ if [ $? -ne 0 ] || ! echo $output | egrep -q '.* has |IPv6 address '"$OCF_RESKEY_monitor_response"
then
ocf_log err "named didn't answer properly for $OCF_RESKEY_monitor_request."
ocf_log err "Expected: $OCF_RESKEY_monitor_response."
ocf_log err "Got: $output"
return $OCF_ERR_GENERIC
fi
return $OCF_SUCCESS
}
#
# Reload
#
named_reload() {
$OCF_RESKEY_rndc reload >/dev/null || return $OCF_ERR_GENERIC
return $OCF_SUCCESS
}
#
# Start
#
named_start() {
local root_dir_opt
local pid
root_dir_opt=""
named_status && return $OCF_SUCCESS
# Remove pidfile if exists
rm -f ${OCF_RESKEY_named_pidfile}
if [ -n "${OCF_RESKEY_named_rootdir}" -a "x${OCF_RESKEY_named_rootdir}" != "x/" ]
then
root_dir_opt="-t ${OCF_RESKEY_named_rootdir}"
[ -s /etc/localtime ] && cp -fp /etc/localtime ${OCF_RESKEY_named_rootdir}/etc/localtime
fi
if [ -n "$OCF_RESKEY_named_config" ]; then
OCF_RESKEY_named_options="-c $OCF_RESKEY_named_config $OCF_RESKEY_named_options"
fi
if ! ${OCF_RESKEY_named} -u ${OCF_RESKEY_named_user} $root_dir_opt ${OCF_RESKEY_named_options}
then
ocf_log err "named failed to start."
return $OCF_ERR_GENERIC
fi
pid=`named_getpid`
if [ -n "$pid" ]; then
if [ ! -e ${OCF_RESKEY_named_pidfile} ]; then
echo $pid > ${OCF_RESKEY_named_pidfile}
fi
else
ocf_log err "named failed to start. Probably error in configuration."
return $OCF_ERR_GENERIC
fi
while :
do
named_monitor && break
sleep 1
ocf_log debug "named hasn't started yet."
done
ocf_log info "named has started."
return $OCF_SUCCESS
}
#
# Stop
#
named_stop () {
local timeout
local timewait
named_status || return $OCF_SUCCESS
$OCF_RESKEY_rndc stop >/dev/null &
if [ $? -ne 0 ]; then
ocf_log info "rndc stop failed. Killing named."
kill `cat ${OCF_RESKEY_named_pidfile}`
fi
if [ -n "$OCF_RESKEY_CRM_meta_timeout" ]; then
# Allow 2/3 of the action timeout for the orderly shutdown
# (The origin unit is ms, hence the conversion)
timewait=$((OCF_RESKEY_CRM_meta_timeout/1500))
else
timewait=20
fi
sleep 1; timeout=0 # Sleep here for 1 sec to let rndc finish.
while named_status ; do
if [ $timeout -ge $timewait ]; then
break
else
sleep 1
timeout=`expr $timeout + 1`
ocf_log debug "named appears to hung, waiting ..."
fi
done
#If still up
if named_status 2>&1; then
ocf_log err "named is still up! Killing"
kill -9 `cat ${OCF_RESKEY_named_pidfile}`
fi
rm -f ${OCF_RESKEY_named_pidfile}
return $OCF_SUCCESS
}
# Main part
if [ $# -ne 1 ]; then
usage
exit $OCF_ERR_GENERIC
fi
case "$1" in
methods) named_methods
exit $?;;
meta-data) named_meta_data
exit $OCF_SUCCESS;;
esac
named_validate_all
rc=$?
[ "$1" = "validate-all" ] && exit $rc
if [ $rc -ne 0 ]
then
case "$1" in
stop) exit $OCF_SUCCESS;;
monitor) exit $OCF_NOT_RUNNING;;
status) exit $OCF_NOT_RUNNING;;
*) exit $rc;;
esac
fi
if [ "$EUID" != "0" ]; then
ocf_log err "$0 must be run as root"
exit $OCF_ERR_GENERIC
fi
case "$1" in
status) if named_status
then
ocf_log info "named is up"
exit $OCF_SUCCESS
else
ocf_log info "named is down"
exit $OCF_NOT_RUNNING
fi;;
monitor) named_monitor
exit $?;;
start) named_start
exit $?;;
stop) named_stop
exit $?;;
reload) named_reload
exit $?;;
*)
exit $OCF_ERR_UNIMPLEMENTED;;
esac

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