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update.sh 8.58 KiB
#!/bin/bash
#
# update.sh
#
# Copyright (C) 2011-2014 Cesnet z.s.p.o
#
# Use of this source is governed by a BSD-style license, see LICENSE file.
VERSION="2.2"
#-------------------------------------------------------------------------------
# Script functions
#-------------------------------------------------------------------------------
usage()
{
echo "Usage: ${0##*/} -d <directory> [-hV]"
echo "-d <directory> destination directory of Warden server"
echo "-s <directory> directory for symlinks to Warden server control scripts (optional)"
echo "-h print this help"
echo "-V print script version number and exit"
echo
echo "Example: $ ./${0##*/} -d /opt/warden-server"
echo
echo "For more information about update process, see README file (section Update)."
echo
exit 0
}
version()
{
echo "${0##*/} - current version is $VERSION"
exit 0
}
err()
{
echo "FAILED!"
cat "$err"
rm -f "$backup"
rm -f "$err"
echo
echo "Update from $old_package_version to $package_version package FAILED!!!"
exit 1
}
errClean()
{
echo "FAILED!"
echo " -> Reverting changes of Warden server package ... OK"
rm -r ${server_path}/* > /dev/null 2>&1
cp -R ${backup_dir}/* $server_path
cat $err
rm -r $err $backup
echo
echo "Update from $old_package_version to $package_version package FAILED!!!"
exit 1
}
paramsChck()
{
if [ -z "$basedir" ]; then
echo "Parameter -d <directory> is not set!"
exit 1
fi
}
#-------------------------------------------------------------------------------
# Installation functions
#-------------------------------------------------------------------------------
wardenDirChck()
{
echo -n "Checking Warden server directory ... "
if [[ ! -d "$basedir" ]] && [[ ! -w "$basedir" ]]; then
echo "FAILED!"
echo "No version of Warden server is not installed!"
exit 1
else
echo "OK"
fi
}
oldPackageChck()
{
echo -n "Checking previous Warden server installation ... "
old_package_version_file=$(find "$basedir" -name package_version)
if [ -f "$old_package_version_file" ]; then
old_package_version=$(<"$old_package_version_file")
if [ "$old_package_version" == "$package_version" ]; then
echo "Sorry, but $package_version package is already installed!"
exit 1
elif [ "$old_package_version" == "warden-server-2.0" ]; then
echo "Sorry, first of all you must upgrade to package warden-server-2.1!"
exit 1
fi
else
echo "Sorry, but Warden server package is not yet installed!"
echo "For installation of Warden server package please use install.sh"
exit 1
fi
echo "OK"
}
perlChck()
{
echo -n "Checking Perl interpreter ... "
if which perl 1> /dev/null; then
echo "OK"
else
echo "FAILED!"
echo
echo "Error: Perl interpreter is not installed!"
exit 1
fi
}
modulesChck()
{
sed '/^use [A-Z]/!d; /Warden/d' $(find "${dirname}" -type f) 2>/dev/null | cut -f 2 -d " " | sed 's/;//' | sort -u | \
while read module;
do
echo -n "Checking $module module ... "
perl -e "use $module" 2> "$err" && echo "OK" || err
done
}
backup()
{
echo -n "Making Warden server backup ... "
mkdir "$backup"
if cp -R "${basedir}/"* "$backup" 2> "$err"; then
echo "OK"
else
err
fi
}
updateWardenDir()
{
echo -n "Updating Warden server ... "
for file in $(<"$manifest")
do
dir="$basedir/${file%/*}"
[[ ! -d "$dir" ]] && mkdir -p "$dir"
cp "$file" "${basedir}/$file" 2> "$err" || errClean
done
echo "OK"
}
getConfValue() {
perl -e "require \"$1\"; print \"\$$2\";"
}
doTemplate()
{
vars=""
while (($#)); do
vars="'$1'=>'$2', $vars"
shift 2
done
perl -e "my %repl=($vars); foreach my \$l (<>) {\$l =~ s/\$_/\$repl{\$_}/g for keys %repl; print \$l}"
}
createManifest()
{
echo -n "Creating MANIFEST file ... "
cd "$basedir" && find . -mindepth 2 -type f | sed 's/.\///' | sort > "${doc}/MANIFEST" && cd $OLDPWD 2> "$err" || errClean
echo "OK"
}
createSymlinks()
{
echo "Creating symbolic links to $symbin ..."
for file in "${bin}/"*
do
echo "- making symlink: ${symbin}/${file##*/} -> $file"
ln -s "$file" "${symbin}/${file##*/}"
done
}
#-------------------------------------------------------------------------------
# MAIN
#-------------------------------------------------------------------------------
# read input
while getopts "d:s:Vh" options; do
case "$options" in
d ) basedir="$OPTARG";;
s ) symbin="$OPTARG";;
h ) usage;;
V ) version;;
* ) usage;;
esac
done
# remove last char (slash) from name of directories
[[ "$basedir" == */ ]] && basedir="${basedir%?}"
[[ "$symbin" == */ ]] && symbin="${symbin%?}"
# params test
paramsChck
# set variables
err="/tmp/warden-err"
backup="/tmp/warden-server-backup"
hostname=$(hostname -f || echo "unspecified.server")
dirname=${0%/*}
doc="${basedir}/doc"
etc="${basedir}/etc"
server_conf="${etc}/warden-server.conf"
apache_conf="${etc}/warden-apache.conf"
watchdog_conf="${etc}/warden-watchdog.conf"
server_conf_tmpl="${dirname}/etc/warden-server.conf.tmpl.update"
apache_conf_tmpl="${dirname}/etc/warden-apache.conf.tmpl.update"
watchdog_conf_tmpl="${dirname}/etc/warden-watchdog.conf.tmpl.update"
package_version=$(<"${dirname}/etc/package_version")
manifest="${dirname}/doc/MANIFEST"
echo
echo "------------------------- Dependencies check-in -------------------------"
# check warden server directory
wardenDirChck
# check previous Warden server instalation
oldPackageChck
# Perl interpreter test
perlChck
# Perl modules test
modulesChck
echo
echo "------------------------- Update process --------------------------------"
# backup old warden server installation
backup
# make warden server directory
updateWardenDir
# update server configuration file
echo -n "Updating Warden server configuration file ... "
syslog=$(getConfValue "$server_conf" SYSLOG)
syslog_verbose=$(getConfValue "$server_conf" SYSLOG_VERBOSE)
syslog_facility=$(getConfValue "$server_conf" SYSLOG_FACILITY)
db_name=$(getConfValue "$server_conf" DB_NAME)
db_user=$(getConfValue "$server_conf" DB_USER)
db_pass=$(getConfValue "$server_conf" DB_PASS)
db_host=$(getConfValue "$server_conf" DB_HOST)
max_events_limit=$(getConfValue "$server_conf" MAX_EVENTS_LIMIT)
doTemplate \
_BASEDIR_ "$basedir" \
_SYSLOG_ "$syslog" \
_SYSLOG_VERBOSE_ "$syslog_verbose" \
_SYSLOG_FACILITY_ "$syslog_facility" \
_DB_NAME_ "$db_name" \
_DB_USER_ "$db_user" \
_DB_PASS_ "$db_pass" \
_DB_HOST_ "$db_host" \
_MAX_EVENTS_LIMIT_ "$max_events_limit" \
< $server_conf_tmpl \
> $server_conf && echo "OK" || errClean
# update Apache configuration file
echo -n "Updating Apache configuration file ... "
<<<<<<< HEAD
cert_file_tmp=`fgrep SSLCertificateFile $apache_conf`
key_file_tmp=`fgrep SSLCertificateKeyFile $apache_conf`
ca_file_tmp=`fgrep SSLCACertificateFile $apache_conf`
lib_tmp=`fgrep PerlSwitches $apache_conf`
cert_file=${cert_file_tmp##*" "}
key_file=${key_file_tmp##*" "}
ca_file=${ca_file_tmp##*" "}
lib=${lib_tmp##*" "}
>>>>>>> ced3b6d0c942211d77a5763d722ec616009be87f
doTemplate \
_CERT_FILE_ "$cert_file" \
_KEY_FILE_ "$key_file" \
_CA_FILE_ "$ca_file" \
_LIB_ "$lib" \
< $apache_conf_tmpl \
> $apache_conf && echo "OK" || errClean
# update wardenWatchdog configuration file
echo -n "Updating Warden Watchdog configuration file ... "
hostname=$(getConfValue "$watchdog_conf" hostname)
contact=$(getConfValue "$watchdog_conf" contact)
email_subject=$(getConfValue "$warden_conf" email_subject)
email_server_conf=$(getConfValue "$warden_conf" email_server_conf)
doTemplate \
_HOSTNAME_ "$hostname" \
_CONTACT_ "$contact" \
_EMAIL_SUBJECT_ "$email_subject" \
_EMAIL_SERVER_CONF_ "$email_server_conf" \
< $watchdog_conf_tmpl \
> $watchdog_conf && echo "OK" || errClean
# create MANIFEST file
createManifest
# crate symlinks from warden server bin to user path (if -s option is set)
[[ ! -z "$symbin" ]] && [[ -d "$symbin" ]] && [[ -w "$symbin" ]] && createSymlinks
echo
echo "Please check updated configuration files:"
echo " - $server_conf"
echo " - $server_conf"
echo " - $watchdog_conf"
echo
echo "Warden server directory: $basedir"
echo
echo "Update from $old_package_version to $package_version package was SUCCESSFUL!!!"
echo
echo "Please follow post-update steps in ${doc}/UPDATE!"
echo
# cleanup section
rm -f "$err" "$backup"
exit 0