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added script for databases

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some little fixes in backup.sh
This commit is contained in:
lookshe 2014-10-05 17:12:35 +02:00
parent 230462cbce
commit 41995c1ef2
2 changed files with 78 additions and 6 deletions
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13
backup.sh
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@ -25,9 +25,10 @@ function source_section {
line_end=$(expr $(grep -n "$section_end" "$config_name" | cut -d: -f1) - 1)
line_diff=$(expr $line_end - $line_start)
head -n $line_end "$config_name" | tail -n $line_diff > /tmp/backup.tmp
source /tmp/backup.tmp
rm -f /tmp/backup.tmp
tmp_file=$(mktemp)
head -n $line_end "$config_name" | tail -n $line_diff > "$tmp_file"
source "$tmp_file"
rm -f "$tmp_file"
}
# copy file with rsync to server and save last timestamp to logfile
@ -35,9 +36,9 @@ function rsync_server {
filefrom="$1"
dirto="$2"
logfileentry="$3"
#nice -n 19 rsync -rle "ssh -i $keyfile" "$1" "$userserver:$dirto"
#nice -n 19 rsync -rle "ssh -i $keyfile" "$filefrom" "$userserver:$dirto"
# limit the bandwith
nice -n 19 rsync --bwlimit=100000 -rle "ssh -i $keyfile" "$1" "$userserver:$dirto"
nice -n 19 rsync --bwlimit=100000 -rle "ssh -i $keyfile" "$filefrom" "$userserver:$dirto"
ret=$?
if [ $ret -ne 0 ]
then
@ -46,7 +47,7 @@ function rsync_server {
echo "$filefrom" | grep ".month." > /dev/null 2>&1
ret2=$?
# on monthly backups and connection errors there should be no update of logfile
if [ $ret2 -ne 0 -a $ret -e 0 ]
if [ $ret2 -ne 0 -a $ret -eq 0 ]
then
sed -e "s/^$logfileentry .*$/${logfileentry} $backup_time/" "$logfile" > "$logfile.tmp"
mv -f "$logfile.tmp" "$logfile"

71
backup_db.sh Executable file
View file

@ -0,0 +1,71 @@
#!/bin/bash
#set -x
# main configuration
script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
config_file="$script_dir/main.cfg"
db_dir="$script_dir/db"
backupdirsingle=db
# source a specified section from a specified config
function source_section {
config_name="$1"
section_name="$2"
section_start="^\[$section_name\]$"
section_end="^\[/$section_name\]$"
line_start=$(grep -n "$section_start" "$config_name" | cut -d: -f1)
line_end=$(expr $(grep -n "$section_end" "$config_name" | cut -d: -f1) - 1)
line_diff=$(expr $line_end - $line_start)
tmp_file=$(mktemp)
head -n $line_end "$config_name" | tail -n $line_diff > "$tmp_file"
source "$tmp_file"
rm -f "$tmp_file"
}
# copy file with rsync to server and save last timestamp to logfile
function rsync_server {
filefrom="$1"
dirto="$2"
#nice -n 19 rsync -rle "ssh -i $keyfile" "$filefrom" "$userserver:$dirto"
# limit the bandwith
nice -n 19 rsync --bwlimit=100000 -rle "ssh -i $keyfile" "$filefrom" "$userserver:$dirto"
ret=$?
if [ $ret -ne 0 ]
then
echo "problem in rsync: $filefrom"
fi
}
# general section from main config
source_section "$config_file" "general"
cd "$db_dir"
databases=$(nice -n 19 mysql -u root -N -e "show databases;" | grep -v "^information_schema$" | grep -v "^mysql$")
for database in $databases
do
nice -n 19 mysqldump -u root "$database" > "$database.sql"
nice -n 19 gzip "$database.sql"
# mount for renaming
sshfs $userserver:$backupdir $backupdir_local -o IdentityFile=$keyfile -o IdentitiesOnly=yes
# rotate old backups
for count in `seq 7 -1 2`
do
count_last=$(expr $count - 1)
rm -f "$backupdir_local/$backupdirsingle/$database.sql.gz.$count"
mv -f "$backupdir_local/$backupdirsingle/$database.sql.gz.$count_last" "$backupdir_local/$backupdirsingle/$database.sql.gz.$count" > /dev/null 2>&1
done
rm -f "$backupdir_local/$backupdirsingle/$database.sql.gz.1"
mv -f "$backupdir_local/$backupdirsingle/$database.sql.gz" "$backupdir_local/$backupdirsingle/$database.sql.gz.1" > /dev/null 2>&1
# unmount
umount $backupdir_local
rsync_server "$database.sql.gz" "$backupdir/$backupdirsingle/"
rm -f "$database.sql.gz"
done