diff options
Diffstat (limited to 'backupninja')
| -rwxr-xr-x | backupninja | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/backupninja b/backupninja new file mode 100755 index 0000000..236fb67 --- /dev/null +++ b/backupninja @@ -0,0 +1,271 @@ +#!/bin/bash +# |\_ +# B A C K U P N I N J A /()/ +# `\| +# +# Copyright (C) 2004 riseup.net -- property is theft. +# +# 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. +# + +##################################################### +## DEFAULTS + +DEBUG=${DEBUG:=0} +CONFFILE="/etc/backupninja.conf" +USECOLOURS=1 + +##################################################### +## FUNCTIONS + +function setupcolors() { + if [ "$USECOLOURS" == 1 ] + then + BLUE="\033[34;01m" + GREEN="\033[32;01m" + YELLOW="\033[33;01m" + PURPLE="\033[35;01m" + RED="\033[31;01m" + OFF="\033[0m" + CYAN="\033[36;01m" + fi +} + +function run() { + RUNERROR=0 + debug 0 "$@" + returnstring=`$@ 2>&1` + RUNERROR=$? + RUNERRORS=$[RUNERRORS+RUNERROR] + if [ "$RUNERROR" != 0 ]; then + debug 3 "Exitcode $RUNERROR returned when running: $@" + debug 3 "$returnstring" + else + debug 0 "$returnstring" + fi + return $RUNERROR +} + +# We have the following debug levels: +# 0 - debug - blue +# 1 - normal messages - green +# 2 - warnings - yellow +# 3 - errors - orange +# 4 - fatal - red +# First variable passed is the error level, all others are printed + +# if 1, echo out all warnings, errors, or fatal +# used to capture output from handlers +echo_debug_msg=0 + +function debug() { + + [ ${#@} -gt 1 ] || return + + TYPES=(Debug Info Warning Error Fatal) + COLOURS=($BLUE $GREEN $YELLOW $RED $PURPLE) + type=$1 + colour=${COLOURS[$type]} + shift + print=$[4-type] + if [ "$print" -lt "$loglevel" -o "$DEBUG" == 1 ]; then + if [ -z "$logfile" ]; then + echo -e "${colour}${TYPES[$type]}: $@${OFF}" >&2 + else + if [ "$DEBUG" == 1 -o "$type" == 4 ]; then + echo -e "${colour}${TYPES[$type]}: $@${OFF}" >&2 + fi + echo -e "${colour}${TYPES[$type]}: $@${OFF}" >> $logfile + fi + fi + if [ "$echo_debug_msg" != "0" -a "$type" -gt "1" ]; then + echo -e "${TYPES[$type]}: $@" + fi +} + +function fatal() { + debug 4 "$@" + exit 2 +} + +msgcount=0 +function msg { + messages[$msgcount]=$1 + let "msgcount += 1" +} + +function setfile() { + CURRENT_CONF_FILE=$1 +} + +function setsection() { + CURRENT_SECTION=$1 +} + +# +# sets a global var with name equal to $1 +# to the value of the configuration parameter $1 +# $2 is the default. +# + +function getconf() { + CURRENT_PARAM=$1 + ret=`awk -f $scriptdir/parseini S=$CURRENT_SECTION P=$CURRENT_PARAM $CURRENT_CONF_FILE` + # if nothing is returned, set the default + if [ "$ret" == "" -a "$2" != "" ]; then + ret="$2" + fi + + # replace * with %, so that it is not globbed. + ret="${ret//\\*/__star__}" + + # this is weird, but single quotes are needed to + # allow for returned values with spaces. $ret is still expanded + # because it is in an 'eval' statement. + eval $1='$ret' +} + + +##################################################### +## MAIN + +## process command line options + +if [ "$1" == "--help" ]; then + HELP=1;DEBUG=1;loglevel=4 +else + while getopts h,f:,d,t option + do + case "$option" in + h) HELP=1;DEBUG=1;loglevel=4;; + d) DEBUG=1;loglevel=4;; + f) CONFFILE="$OPTARG";; + t) test=1;DEBUG=1;; + esac + done +fi + +setupcolors + +## Print help + +if [ "$HELP" == 1 ]; then +cat << EOF +$0 usage: +This script allows you to coordinate system backup by dropping a few +simple configuration files into /etc/backup.d/. In general, this script +is run from a cron job late at night. + +The following options are available: +-h This help message +-d Run in debug mode, where all log messages are output to the current shell. +-f <file> Use <file> for the main configuration instead of /etc/backupninja.conf +-t Run in test mode, no actions are actually taken. + +When using colored output, there are: +EOF +debug 0 "Debugging info (when run with -d)" +debug 1 "Informational messages (verbosity level 4)" +debug 2 "Warnings (verbosity level 3 and up)" +debug 3 "Errors (verbosity level 2 and up)" +debug 4 "Fatal, halting errors (always shown)" +exit 0 +fi + +## Load and confirm basic configuration values + +# bootstrap +[ -r "$CONFFILE" ] || fatal "Configuration file $CONFFILE not found." +scriptdir=`grep scriptdirectory $CONFFILE | awk '{print $3}'` +[ -n "$scriptdir" ] || fatal "Cound not find entry 'scriptdirectory' in $CONFFILE." +[ -d "$scriptdir" ] || fatal "Script directory $scriptdir not found." +setfile $CONFFILE + +# get global config options (second param is the default) +getconf configdirectory /etc/backup.d +getconf reportemail +getconf loglevel 3 +getconf logfile /var/log/backupninja.log +getconf SLAPCAT /usr/sbin/slapcat +getconf RDIFFBACKUP /usr/bin/rdiff-backup +getconf MYSQL /usr/bin/mysql +getconf MYSQLHOTCOPY /usr/bin/mysqlhotcopy +getconf MYSQLDUMP /usr/bin/mysqldump +getconf GZIP /bin/gzip + +[ -d "$configdirectory" ] || fatal "Configuration directory '$configdirectory' not found." +[ `id -u` == "0" ] || fatal "Can only be run as root" + +## Process each configuration file + +debug 1 "====== starting at "`date`" ======" + +# by default, don't make files which are world or group readable. +umask 077 + +for file in $configdirectory/*; do + perms=`ls -ld $file` + perms=${perms:4:6} + if [ "$perms" != "------" ]; then + fatal "Configuration files must not be group or world readable! Dying on file $file" + fi + if [ `ls -ld $file | awk '{print $3}'` != "root" ]; then + fatal "Configuration files must be owned by root! Dying on file $file" + fi + suffix="${file##*.}" + base=`basename $file` + if [ "${base:0:1}" == "0" ]; then + debug 1 "Skipping $file" + continue + else + debug 1 "Processing $file" + fi + + if [ -e "$scriptdir/$suffix" ]; then + setfile $file + echo_debug_msg=1 + ret=`( . $scriptdir/$suffix $file )` + retcode="$?" + warnings=`echo $ret | grep -e "^Warning: " | wc -l` + errors=`echo $ret | grep -e "^Error: \|^Fatal: " | wc -l` + if [ $errors != 0 ]; then + msg "*failed* -- $file" + error="$error\n== errors from $file ==\n\n$ret\n" + elif [ $warnings != 0 ]; then + msg "*warning* -- $file" + error="$error\n== warnings from $file ==\n\n$ret\n" + elif [ $retcode == 0 ]; then + msg "success -- $file" + else + msg "unknown -- $file" + fi + echo_debug_msg=0 + else + debug 3 "Can't process file '$file': no handler script for suffix '$suffix'" + msg "*missing handler* -- $file" + fi +done + +## mail the messages to the report address + +if [ "$reportemail" != "" ]; then + hostname=`hostname` + { + for ((i=0; i < ${#messages[@]} ; i++)); do + echo ${messages[$i]} + done + echo -e "$error" + } | mail $reportemail -s "backupninja: $hostname" +fi + +debug 1 "====== finished at "`date`" ======" + +############################################################ |