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config-utils.sh.in
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config-utils.sh.in

#!@BASH_SHELL@
#
# Copyright (C) 1997-2003 Sistina Software, Inc. All rights reserved.
# Copyright (C) 2004-2011 Red Hat, Inc. All rights reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
declare RA_COMMON_pid_dir=/var/run/cluster
declare RA_COMMON_conf_dir=/etc/cluster
declare -i FAIL=255
declare -a ip_keys
generate_configTemplate()
{
cat > "$1" << EOT
#
# "$1" was created from the "$2"
#
# This template configuration was automatically generated, and will be
# automatically regenerated if removed. Once this file has been altered,
# automatic re-generation will stop. Remember to copy this file to all
# other cluster members after making changes, or your service will not
# operate correctly.
#
EOT
}
generate_configTemplateXML()
{
cat > "$1" << EOT
<!--
"$1" was created from the "$2"
This template configuration was automatically generated, and will be
automatically regenerated if removed. Once this file has been altered,
automatic re-generation will stop. Remember to copy this file to all
other cluster members after making changes, or your service will not
operate correctly.
-->
EOT
}
sha1_addToFile()
{
declare sha1line="# rgmanager-sha1 $(sha1sum "$1")"
echo $sha1line >> "$1"
}
sha1_addToFileXML()
{
declare sha1line="<!--# rgmanager-sha1 $(sha1sum "$1")-->"
echo $sha1line >> "$1"
}
sha1_verify()
{
declare sha1_new sha1_old
declare oldFile=$1
ocf_log debug "Checking: SHA1 checksum of config file $oldFile"
sha1_new=`cat "$oldFile" | grep -v "# rgmanager-sha1" | sha1sum | sed 's/^\([a-z0-9]\+\) .*$/\1/'`
sha1_old=`tail -n 1 "$oldFile" | sed 's/^\(<!--\)\?# rgmanager-sha1 \(.*\)$/\2/' | sed 's/^\([a-z0-9]\+\) .*$/\1/'`
if [ "$sha1_new" = "$sha1_old" ]; then
ocf_log debug "Checking: SHA1 checksum > succeed"
return 0;
else
ocf_log debug "Checking: SHA1 checksum > failed - file changed"
return 1;
fi
}
#
# Usage: ccs_get key
#
ccs_get()
{
declare outp
declare key
[ -n "$1" ] || return $FAIL
key="$*"
outp=$(ccs_tool query "$key" 2>&1)
if [ $? -ne 0 ]; then
if [[ "$outp" =~ "Query failed: Invalid argument" ]]; then
# This usually means that element does not exist
# e.g. when checking for IP address
return 0;
fi
if [ "$outp" = "${outp/No data available/}" ] || [ "$outp" = "${outp/Operation not permitted/}" ]; then
ocf_log err "$outp ($key)"
return $FAIL
fi
# no real error, just no data available
return 0
fi
echo $outp
return 0
}
#
# Build a list of service IP keys; traverse refs if necessary
# Usage: get_service_ip_keys desc serviceName
#
get_service_ip_keys()
{
declare svc=$1
declare -i x y=0
declare outp
declare key
#
# Find service-local IP keys
#
x=1
while : ; do
key="/cluster/rm/service[@name=\"$svc\"]/ip[$x]"
#
# Try direct method
#
outp=$(ccs_get "$key/@address")
if [ $? -ne 0 ]; then
return 1
fi
#
# Try by reference
#
if [ -z "$outp" ]; then
outp=$(ccs_get "$key/@ref")
if [ $? -ne 0 ]; then
return 1
fi
key="/cluster/rm/resources/ip[@address=\"$outp\"]"
fi
if [ -z "$outp" ]; then
break
fi
#ocf_log debug "IP $outp found @ $key"
ip_keys[$y]="$key"
((y++))
((x++))
done
ocf_log debug "$y IP addresses found for $svc/$OCF_RESKEY_name"
return 0
}
build_ip_list()
{
declare ipaddrs ipaddr
declare -i x=0
while [ -n "${ip_keys[$x]}" ]; do
ipaddr=$(ccs_get "${ip_keys[$x]}/@address")
if [ -z "$ipaddr" ]; then
break
fi
# remove netmask
iponly=`echo $ipaddr | sed 's/\/.*//'`
ipaddrs="$ipaddrs $iponly"
((x++))
done
echo $ipaddrs
}
generate_name_for_pid_file()
{
declare filename=$(basename $0)
echo "$RA_COMMON_pid_dir/$(basename $0 | sed 's/^\(.*\)\..*/\1/')/$OCF_RESOURCE_INSTANCE.pid"
return 0;
}
generate_name_for_pid_dir()
{
declare filename=$(basename $0)
echo "$RA_COMMON_pid_dir/$(basename $0 | sed 's/^\(.*\)\..*/\1/')/$OCF_RESOURCE_INSTANCE"
return 0;
}
generate_name_for_conf_dir()
{
declare filename=$(basename $0)
echo "$RA_COMMON_conf_dir/$(basename $0 | sed 's/^\(.*\)\..*/\1/')/$OCF_RESOURCE_INSTANCE"
return 0;
}
set_pid_directory_permissions()
{
declare program_name="$1"
declare dirname="$2"
declare username="$3"
if [ "$program_name" = "mysql" ]; then
if [ -n "$username" ]; then
chown "${username}.root" "$dirname"
else
chown mysql.root "$dirname"
fi
elif [ "$program_name" = "tomcat-5" -o "$program_name" = "tomcat-6" ]; then
if [ -n "$username" ]; then
chown "${username}.root" "$dirname"
else
chown tomcat.root "$dirname"
fi
elif [ "$program_name" = "named" ]; then
if [ -n "$username" ]; then
chown "${username}.root" "$dirname"
fi
fi
}
#
# Usage: create_pid_directory [username]
#
create_pid_directory()
{
declare program_name="$(basename $0 | sed 's/^\(.*\)\..*/\1/')"
declare dirname="$RA_COMMON_pid_dir/$program_name"
declare username="$1"
if [ -d "$dirname" ]; then
# make sure the permissions are correct even if directory exists
set_pid_directory_permissions "$program_name" "$dirname" "$username"
return 0;
fi
chmod 711 "$RA_COMMON_pid_dir"
mkdir -p "$dirname"
set_pid_directory_permissions "$program_name" "$dirname" "$username"
return 0;
}
create_conf_directory()
{
declare dirname="$1"
if [ -d "$dirname" ]; then
return 0;
fi
mkdir -p "$dirname"
return 0;
}
check_pid_file() {
declare pid_file="$1"
if [ -z "$pid_file" ]; then
return 1;
fi
if [ ! -e "$pid_file" ]; then
return 0;
fi
## if PID file is empty then it should be safe to remove it
read pid < "$pid_file"
if [ -z "$pid" ]; then
rm $pid_file
ocf_log debug "PID File \"$pid_file\" Was Removed - Zero length";
return 0;
fi
if [ ! -d /proc/`cat "$pid_file"` ]; then
rm "$pid_file"
ocf_log debug "PID File \"$pid_file\" Was Removed - PID Does Not Exist";
return 0;
fi
return 1;
}

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