+# -*- mode: sh; sh-basic-offset: 3; indent-tabs-mode: nil; -*-
#
# mysql handler script for backupninja
#
getconf backupdir /var/backups/mysql
getconf databases all
-getconf compress yes
-getconf dbusername
-getconf dbpassword
+getconf ignores
getconf dbhost localhost
getconf hotcopy no
getconf sqldump no
-getconf user root
+getconf compress yes
+getconf vsname
-# create backup dirs
+# authentication:
+getconf user
+getconf dbusername
+getconf dbpassword
+getconf configfile /etc/mysql/debian.cnf
-[ -d $backupdir ] || mkdir -p $backupdir
-[ -d $backupdir ] || fatal "Backup directory '$backupdir'"
+
+# 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"
-[ "$sqldump" == "no" -o -d $dumpdir ] || mkdir -p $dumpdir
-[ "$hotcopy" == "no" -o -d $hotdir ] || mkdir -p $hotdir
+
+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 $hotdir
+fi
+
+#######################################################################
+## AUTHENTICATION
+
+#
+# one of three authentication methods:
+# 1. setting the user, so that /home/user/.my.cnf is used.
+# 2. specifying the user and password in the handler config,
+# which generates a temporary .my.cnf in /root/.my.cnf
+# 3. specify the config file with --defaults-extra-file
+# (this option DOESN'T WORK WITH MYSQLHOTCOPY)
+#
# create .my.cnf
- # (we do this because we don't want to have to specify the password on the command line
- # because then anyone would be able to see it with a 'ps aux'. instead, we create a
- # temporary ~/.my.cnf in root's home directory).
-
-if [ "$dbusername" != "" ]; then
- home=`grep '^root' /etc/passwd | awk -F: '{print $6}'`
- [ -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 > $mycnf <<EOF
+# only if dbusername and dbpassword specified.
+# we create a tmp file because we don't want to
+# specify the password on the command line.
+
+defaultsfile=""
+
+if [ "$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
+password="$dbpassword"
[mysqldump]
+host=$dbhost
user=$dbusername
-password=$dbpassword
+password="$dbpassword"
[mysqlhotcopy]
+host=$dbhost
user=$dbusername
-password=$dbpassword
+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
- if [ "$databases" == "all" ]; then
+if [ "$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"
- debug "su $user -c '$execstr'"
- if [ ! $test ]; then
+ 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
+ if [ "$code" == "0" ]
+ then
debug $output
- info "Successfully finished hotcopy of all mysql databases"
+ info "Successfully finished hotcopy of mysql database $db"
else
warning $output
- warning "Failed to hotcopy all mysql databases"
+ warning "Failed to hotcopy mysql database $db"
fi
fi
- else
- for db in $databases; do
- execstr="$MYSQLHOTCOPY --allowold $db $hotdir"
- 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 $db"
- fi
- fi
- done
- fi
+ done
+ fi
fi
-
+
+##########################################################################
## SQL DUMP
-if [ "$sqldump" == "yes" ]; then
- if [ "$databases" == "all" ]; then
- databases=`echo 'show databases' | su $user -c "$MYSQL" | grep -v Database`
+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"
+ 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"
+ fi
fi
+fi
- for db in $databases; do
- execstr="$MYSQLDUMP --lock-tables --complete-insert --add-drop-table --quick --quote-names $db > $dumpdir/${db}.sql"
- debug "su $user -c '$execstr'"
- if [ ! $test ]; then
+ for db in $databases
+ do
+ if [ $usevserver = yes ]
+ then
+ if [ "$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 > $vroot$dumpdir/${db}.sql"
+ fi
+ else
+ if [ "$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 > $dumpdir/${db}.sql"
+ fi
+ fi
+ debug "su $user -c \"$execstr\""
+ if [ ! $test ]
+ then
output=`su $user -c "$execstr" 2>&1`
code=$?
- if [ "$code" == "0" ]; then
+ if [ "$code" == "0" ]
+ then
debug $output
info "Successfully finished dump of mysql database $db"
else
fi
fi
done
-
- if [ "$compress" == "yes" ]; then
- output=`$GZIP -f $dumpdir/*.sql 2>&1`
- debug $output
- fi
fi
-if [ "$dbusername" != "" ]; then
+# clean up tmp config file
+if [ "$dbusername" != "" -a "$dbpassword" != "" ]
+then
## clean up tmp config file
debug "rm $mycnf"
rm $mycnf
- if [ -f "$tmpcnf" ]; then
+ if [ -f "$tmpcnf" ]
+ then
debug "mv $tmpcnf $mycnf"
mv $tmpcnf $mycnf
fi
projects / matthijs / upstream / backupninja.git / blobdiff