+++ /dev/null
-# -*- mode: sh; sh-basic-offset: 3; indent-tabs-mode: nil; -*-
-#
-# mysql handler script for backupninja
-#
-
-getconf backupdir /var/backups/mysql
-getconf databases all
-getconf ignores
-getconf dbhost localhost
-getconf hotcopy no
-getconf sqldump no
-getconf compress yes
-getconf vsname
-
-# authentication:
-getconf user
-getconf dbusername
-getconf dbpassword
-getconf configfile /etc/mysql/debian.cnf
-
-
-# Decide if the handler should operate on a vserver or on the host.
-# In the former case, check that $vsname exists and is running.
-local usevserver=no
-local vroot
-if [ $vservers_are_available = yes ]; then
- if [ -n "$vsname" ]; then
- # does it exist ?
- if ! vservers_exist "$vsname" ; then
- fatal "The vserver given in vsname ($vsname) does not exist."
- fi
- # is it running ?
- $VSERVERINFO -q $vsname RUNNING
- if [ $? -ne 0 ]; then
- fatal "The vserver $vsname is not running."
- fi
- # everything ok
- info "Using vserver '$vsname'."
- usevserver=yes
- vroot="$VROOTDIR/$vsname"
- else
- info "No vserver name specified, actions will be performed on the host."
- fi
-fi
-
-## Prepare ignore part of the command
-## This only works for mysqldump at the moment
-
-ignore=''
-for i in $ignores; do
- ignore="$ignore --ignore-table=$i"
-done
-
-# create backup dirs, $vroot will be empty if no vsname was specified
-# and we will instead proceed to operate on the host
-[ -d $vroot$backupdir ] || mkdir -p $vroot$backupdir
-[ -d $vroot$backupdir ] || fatal "Backup directory '$vroot$backupdir'"
-hotdir="$backupdir/hotcopy"
-dumpdir="$backupdir/sqldump"
-
-if [ $usevserver = yes ]
-then
- [ "$sqldump" == "no" -o -d $vroot$dumpdir ] || $VSERVER $vsname exec mkdir -p $dumpdir
- [ "$hotcopy" == "no" -o -d $vroot$hotdir ] || $VSERVER $vsname exec mkdir -p $hotdir
-else
- [ "$sqldump" == "no" -o -d $dumpdir ] || mkdir -p $dumpdir
- [ "$hotcopy" == "no" -o -d $hotdir ] || mkdir -p $hotdir
-fi
-
-#######################################################################
-## AUTHENTICATION
-
-#
-# one of three authentication methods:
-# 1. setting the user, so that /home/user/.my.cnf is used.
-# 2. specifying the user and password in the handler config,
-# which generates a temporary .my.cnf in /root/.my.cnf
-# 3. specify the config file with --defaults-extra-file
-# (this option DOESN'T WORK WITH MYSQLHOTCOPY)
-#
-
-# create .my.cnf
-# only if dbusername and dbpassword specified.
-# we create a tmp file because we don't want to
-# specify the password on the command line.
-
-defaultsfile=""
-
-if [ "$dbusername" != "" -a "$dbpassword" != "" ]
-then
- if [ $usevserver = yes ]
- then
- vhome=`$VSERVER $vsname exec getent passwd "root" | @AWK@ -F: '{print $6}'`
- home="$vroot$vhome"
- else
- home=`getent passwd "root" | @AWK@ -F: '{print $6}'`
- fi
-
- [ -d $home ] || fatal "Can't find root's home directory ($home)."
-
- mycnf="$home/.my.cnf"
-
- if [ -f $mycnf ]
- then
- # rename temporarily
- tmpcnf="$home/my.cnf.disable"
- debug "mv $mycnf $tmpcnf"
- mv $mycnf $tmpcnf
- fi
-
- oldmask=`umask`
- umask 077
- cat > $mycnf <<EOF
-# auto generated backupninja mysql conf
-[mysql]
-host=$dbhost
-user=$dbusername
-password="$dbpassword"
-
-[mysqldump]
-host=$dbhost
-user=$dbusername
-password="$dbpassword"
-
-[mysqlhotcopy]
-host=$dbhost
-user=$dbusername
-password="$dbpassword"
-EOF
- umask $oldmask
- if [ $usevserver = yes ]
- then
- defaultsfile="--defaults-extra-file=$vhome/.my.cnf"
- else
- defaultsfile="--defaults-extra-file=$mycnf"
- fi
-fi
-
-# if a user is not set, use $configfile, otherwise use $mycnf
-if [ "$user" == "" ]; then
- user=root;
- defaultsfile="--defaults-extra-file=$configfile"
-else
- userset=true;
- if [ $usevserver = yes ]
- then
- vuserhome=`$VSERVER $vsname exec getent passwd "$user" | @AWK@ -F: '{print $6}'`
- if [ $? -eq 2 ]
- then
- fatal "User $user not found in /etc/passwd"
- fi
- userhome="$vroot$vuserhome"
- else
- userhome=`getent passwd "$user" | @AWK@ -F: '{print $6}'`
- if [ $? -eq 2 ]
- then
- fatal "User $user not found in /etc/passwd"
- fi
- fi
-
- debug "User home set to: $userhome"
- [ -f $userhome/.my.cnf ] || fatal "Can't find config file in $userhome/.my.cnf"
- defaultsfile="--defaults-extra-file=$userhome/.my.cnf"
- debug "using $defaultsfile"
-fi
-
-#######################################################################
-## HOT COPY
-
-if [ "$hotcopy" == "yes" ]
-then
- info "Initializing hotcopy method"
- if [ "$databases" == "all" ]
- then
- if [ $usevserver = yes ]
- then
- info "dbhost: $dbhost"
- execstr="$VSERVER $vsname exec $MYSQLHOTCOPY -h $dbhost --quiet --allowold --regexp /.\*/./.\*/ $hotdir"
- else
- execstr="$MYSQLHOTCOPY --quiet --allowold --regexp /.\*/./.\*/ $hotdir"
- fi
- debug "su $user -c \"$execstr\""
- if [ ! $test ]
- then
- output=`su $user -c "$execstr" 2>&1`
- code=$?
- if [ "$code" == "0" ]
- then
- debug $output
- info "Successfully finished hotcopy of all mysql databases"
- else
- warning $output
- warning "Failed to hotcopy all mysql databases"
- fi
- fi
- else
- for db in $databases
- do
- if [ $usevserver = yes ]
- then
- execstr="$VSERVER $vsname exec $MYSQLHOTCOPY --allowold $db $hotdir"
- else
- execstr="$MYSQLHOTCOPY --allowold $db $hotdir"
- fi
- debug 'su $user -c \"$execstr\"'
- if [ ! $test ]
- then
- output=`su $user -c "$execstr" 2>&1`
- code=$?
- if [ "$code" == "0" ]
- then
- debug $output
- info "Successfully finished hotcopy of mysql database $db"
- else
- warning $output
- warning "Failed to hotcopy mysql database $db"
- fi
- fi
- done
- fi
-fi
-
-##########################################################################
-## SQL DUMP
-
-if [ "$sqldump" == "yes" ]
-then
- info "Initializing SQL dump method"
- if [ "$databases" == "all" ]
- then
- if [ $usevserver = yes ]
- then
- debug 'echo show databases | $VSERVER $vsname exec su $user -c \"$MYSQL $defaultsfile\" | grep -v Database'
- databases=`echo 'show databases' | $VSERVER $vsname exec su $user -c "$MYSQL $defaultsfile" | grep -v Database`
- if [ $? -ne 0 ]
- then
- fatal "Authentication problem, maybe user/password is wrong or mysqld is not running?"
- fi
- else
- databases=`echo 'show databases' | su $user -c "$MYSQL $defaultsfile" | grep -v Database`
- if [ $? -ne 0 ]
- then
- fatal "Authentication problem, maybe user/password is wrong or mysqld is not running?"
- fi
- fi
-fi
-
- for db in $databases
- do
- if [ $usevserver = yes ]
- then
- # Test to make sure mysqld is running, if it is not sqldump will not work
- $VSERVER $vsname exec su $user -c "$MYSQLADMIN $defaultsfile ping"
- if [ $? -ne 0 ]; then
- fatal "Either you have an authentication problem, or mysqld doesn't appear to be running!"
- fi
- if [ "$compress" == "yes" ]; then
- execstr="$VSERVER $vsname exec $MYSQLDUMP $defaultsfile --lock-tables --complete-insert --add-drop-table --quick --quote-names $ignore $db | $GZIP > $vroot$dumpdir/${db}.sql.gz"
- else
- execstr="$VSERVER $vsname exec $MYSQLDUMP $defaultsfile --lock-tables --complete-insert --add-drop-table --quick --quote-names $ignore $db -r $vroot$dumpdir/${db}.sql"
- fi
- else
- # Test to make sure mysqld is running, if it is not sqldump will not work
- su $user -c "$MYSQLADMIN $defaultsfile ping"
- if [ $? -ne 0 ]; then
- fatal "Either you have an authentication problem, or mysqld doesn't appear to be running!"
- fi
- if [ "$compress" == "yes" ]; then
- execstr="$MYSQLDUMP $defaultsfile --lock-tables --complete-insert --add-drop-table --quick --quote-names $ignore $db | $GZIP > $dumpdir/${db}.sql.gz"
- else
- execstr="$MYSQLDUMP $defaultsfile --lock-tables --complete-insert --add-drop-table --quick --quote-names $ignore $db -r $dumpdir/${db}.sql"
- fi
- fi
- debug "su $user -c \"$execstr\""
- if [ ! $test ]
- then
- output=`su $user -c "$execstr" 2>&1`
- code=$?
- if [ "$code" == "0" ]
- then
- debug $output
- info "Successfully finished dump of mysql database $db"
- else
- warning $output
- warning "Failed to dump mysql databases $db"
- fi
- fi
- done
-fi
-
-# clean up tmp config file
-if [ "$dbusername" != "" -a "$dbpassword" != "" ]
-then
- ## clean up tmp config file
- debug "rm $mycnf"
- rm $mycnf
- if [ -f "$tmpcnf" ]
- then
- debug "mv $tmpcnf $mycnf"
- mv $tmpcnf $mycnf
- fi
-fi
-
-return 0
projects / matthijs / upstream / backupninja.git / blobdiff