#!/bin/sh

#
# Script evobackup client
# $Id: evobackup_cron_daily_client,v 1.21 2010-08-22 10:15:42 gcolpart Exp $
#

# lang = C pour gerer les outputs en anglais
LANGUAGE=C
LANG=C

# Verification qu'un autre evobackup n'est pas deja lance
PIDFILE=/var/run/evobackup.pid
if [ -e $PIDFILE ]; then
    # Killing the childs of evobackup.
    for pid in $(ps h --ppid $(cat $PIDFILE) -o pid | tr -s '\n' ' '); do
        kill -9 $pid;
    done
    # Then kill the main PID.
    kill -9 $(cat $PIDFILE)
    echo "$0 tourne encore (PID `cat $PIDFILE`). Processus killé" >&2
fi
echo "$$" > $PIDFILE
trap "rm -f $PIDFILE" EXIT

# port SSH
SSH_PORT=2228

# systeme de la machine ("linux" ou "bsd")
SYSTEME=linux

# mail de remontee
MAIL=jdoe@example.com

NODE=$(expr `date +%d` % 2)

# operations specifiques

mkdir -p -m 700 /home/backup

# Dump LDAP
# slapcat -l /home/backup/ldap.bak

# Dump MySQL
# mysqldump --defaults-extra-file=/etc/mysql/debian.cnf \
# --opt --all-databases --force --events --hex-blob | gzip --best > /home/backup/mysql.bak.gz

# Dump des BDD en .sql.gz
# mkdir -p /home/mysqldump/
# for i in $(mysql -e 'show databases' -s --skip-column-names | egrep -v "^(Database|information_schema|performance_schema)"); do
#         mysqldump --force --events --hex-blob $i | gzip --best > /home/mysqldump/${i}.sql.gz
# done

# for i in $(echo SHOW DATABASES | mysql | egrep -v "^(Database|information_schema|performance_schema)" ); \
# do mkdir -p /home/mysqldump/$i ; chown -RL mysql /home/mysqldump ; \
# mysqldump --defaults-extra-file=/etc/mysql/debian.cnf --force -Q --opt --events --hex-blob --skip-comments -T \
# /home/mysqldump/$i $i; done

# Dump par base
# mkdir -p -m 700 /home/mysqldump/BASE
# chown -RL mysql /home/mysqldump/
# mysqldump --defaults-extra-file=/etc/mysql/debian.cnf --force -Q \
# --opt --events --hex-blob --skip-comments -T /home/mysqldump/BASE BASE

# mkdir -p /home/mysqlhotcopy/
# mysqlhotcopy BASE /home/mysqlhotcopy/

# Dump instanceS MySQL
#
## Recherche du mot de passe mysqladmin
#mysqladminpasswd=`cat /root/.my.cnf |grep -m1 'password = .*' |cut -d" " -f3`
#
## Determination des instances MySQL disponibles sur le serveur (hors 3306)
#grep -E "^port\s*=\s*\d*" /etc/mysql/my.cnf |while read instance; do
#  instance=$(echo $instance |tr -d '\t')
#  instance=${instance// /}
#  instance=${instance//port=/}
#  if [ "$instance" != "3306" ]
#  then
#    mysqldump -P $instance --opt --all-databases --hex-blob -u mysqladmin -p$mysqladminpasswd > /home/backup/mysql.$instance.bak
#  fi
#done


# Dump PostgreSQL
# su - postgres -c "pg_dumpall > ~/pg.dump.bak"
# mv ~postgres/pg.dump.bak /home/backup/

# Exemple de backups...
# On sauvegarde les tables d'une base sauf des exceptions
# pg_dump -p 5432 -h 127.0.0.1 -U USER --clean -F t --inserts -f /home/backup/pg-backup.tar -t 'TABLE1' -t 'TABLE2' BASE
# On sauvegarde uniquement certaines tables d'une base
# pg_dump -p 5432 -h 127.0.0.1 -U USER --clean -F t --inserts -f /home/backup/pg-backup.tar -T 'TABLE1' -T 'TABLE2' BASE

# Dump MongoDB
# Creation d'un utilisateur en lecture seule :
# > use admin
# > db.addUser("mongobackup", "PASS", true);
#mongodump -u mongobackup -pPASS -o /home/backup/mongodump/ >/dev/null 2>&1 |grep -v "^connected to:"

# Dump Redis
# cp /var/lib/redis/dump.rdb /home/backup/

## Dump ElasticSearch
## Disable ES translog flush
#curl -s -XPUT 'localhost:9200/_settings' -d '{"index.translog.disable_flush": true}' >/dev/null
## Flushes translog
#curl -s 'localhost:9200/_flush' | grep -qe '"ok":true'
## If it succeed, do an rsync of the datadir
#if [ $? -eq 0 ]; then
#    rsync -a /var/lib/elasticsearch /home/backup/
#else
#    echo "Error when flushing ES translog indexes."
#fi
## In any case re-enable translog flush
#curl -s -XPUT 'localhost:9200/_settings' -d '{"index.translog.disable_flush": false}' > /dev/null

# Dump MBR / table partitions
# dd if=/dev/sda of=/home/backup/MBR bs=512 count=1 2>&1 | egrep -v "(records in|records out|512 bytes)"
# sfdisk -d /dev/sda > /home/backup/partitions 2>&1 | egrep -v "(Warning: extended partition does not start at a cylinder boundary|DOS and Linux will interpret the contents differently)"

# Dump routes
for addr in 8.8.8.8 backup.evolix.net www.evolix.fr www.evolix.net; do
    mtr -r $addr > /home/backup/mtr-${addr}
    traceroute -n $addr > /home/backup/traceroute-${addr}
done

# Dump des processus
ps aux >/home/backup/ps.out

# Dump des connexions reseaux en cours
netstat -taupen >/home/backup/netstat.out

# Liste des paquets installes
dpkg -l >/home/backup/packages

HOSTNAME=$(hostname)

DATE=$(/bin/date +"%d-%m-%Y")

DEBUT=$(/bin/date +"%d-%m-%Y ; %H:%M")

if [ $SYSTEME = "linux" ]; then
    rep="/bin /boot /lib /opt /sbin /usr"
else
    rep="/bsd /bin /boot /sbin /usr"
fi

rsync -avzh --stats --delete --delete-excluded --force --ignore-errors --partial \
    --exclude "lost+found"                             \
    --exclude ".nfs.*"                                 \
    --exclude "/var/log"                               \
    --exclude "/var/log/evobackup*"                    \
    --exclude "/var/lib/mysql"                         \
    --exclude "/var/lib/postgres"                      \
    --exclude "/var/lib/postgresql"                    \
    --exclude "/var/lib/sympa"                         \
    --exclude "/var/lib/metche"                        \
    --exclude "/var/run"                               \
    --exclude "/var/lock"                              \
    --exclude "/var/state"                             \
    --exclude "/var/apt"                               \
    --exclude "/var/cache"                             \
    --exclude "/usr/src"                               \
    --exclude "/usr/doc"                               \
    --exclude "/usr/share/doc"                         \
    --exclude "/usr/obj"                               \
    --exclude "dev"                                    \
    --exclude "/var/spool/postfix"                     \
    --exclude "/var/lib/amavis/amavisd.sock"           \
    --exclude "/var/lib/munin/*.tmp"                   \
    --exclude "/var/lib/php5"                          \
    --exclude "/var/spool/squid"                       \
    --exclude "/var/lib/elasticsearch"                 \
    --exclude "/var/lib/amavis/tmp"                    \
    --exclude "/var/lib/clamav/*.tmp"                  \
    --exclude "/home/mysqltmp"                         \
        $rep                                           \
        /etc                                           \
        /root                                          \
        /var                                           \
        /home                                          \
        /srv                                           \
    -e "ssh -p $SSH_PORT"                              \
    root@node$NODE.backup.example.com:/var/backup/     \
    | tail -30 >> /var/log/evobackup.log

FIN=$(/bin/date +"%d-%m-%Y ; %H:%M")

echo "EvoBackup - $HOSTNAME - START $DEBUT"            \
    >> /var/log/evobackup.log

echo "EvoBackup - $HOSTNAME - STOP $FIN"               \
    >> /var/log/evobackup.log

tail -10 /var/log/evobackup.log |                      \
    mail -s "[info] EvoBackup - Client $HOSTNAME"      \
    $MAIL