+# -*- mode: sh; sh-basic-offset: 3; indent-tabs-mode: nil; -*-
#
# mysql handler script for backupninja
#
getconf configfile /etc/mysql/debian.cnf
-# If vservers are configured, decide if the handler should
-# use them or if it should just operate on the host
-
-if [ "$vservers" = "yes" ]
-then
- if [ ! -z $vsname ]
- then
- info "Using vserver '$vsname'"
- usevserver=1
- else
- info "No vserver name specified, actions will be performed on the host"
- fi
-fi
-
-# If needed, make sure that the specified vserver exists and is running.
-if [ $usevserver ]
-then
- info "Examining vserver '$vsname'"
- # does it exist ?
- vroot="$VROOTDIR/$vsname"
- [ -d $vroot ] || fatal "vserver '$vsname' does not exist at '$vroot'"
- # is it running ?
- $VSERVERINFO -q $vsname RUNNING
- if [ $? -ne 0 ]
- then
- fatal "vserver $vsname is not running."
- fi
-fi
-
-if [ "$user" == "" ]; then
- userset=false;
- user=root;
-else
- userset=true;
- userhome=`getent passwd "$user" | awk -F: '{print $6}'`
- [ -f $userhome/.my.cnf ] || fatal "Can't find config file in $userhome/.my.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
ignore="$ignore --ignore-table=$i"
done
-# create backup dirs, vroot variable will be empty if no vsname was specified
-# and will proceed to operate on the host
+# 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 ]
+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 $hotdir
# 1. setting the user, so that /home/user/.my.cnf is used.
# 2. specifying the user and password in the handler config,
# which generates a temporary .my.cnf in /root/.my.cnf
-# 3. specify the config file with --defaults-file
+# 3. specify the config file with --defaults-extra-file
# (this option DOESN'T WORK WITH MYSQLHOTCOPY)
#
# specify the password on the command line.
defaultsfile=""
+
if [ "$dbusername" != "" -a "$dbpassword" != "" ]
then
- if [ $usevserver ]
+ if [ $usevserver = yes ]
then
- home=`$VSERVER $vsname exec getent passwd "root" | awk -F: '{print $6}'`
+ vhome=`$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
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 $oldmask
- defaultsfile="--defaults-file=$mycnf"
-elif [ "$userset" == "false" ]; then
- # if user is set, don't use $configfile
- defaultsfile="--defaults-file=$configfile"
+ 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 [ $usevserver ]
+if [ "$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
- execstr="$VSERVER $vsname exec $MYSQLHOTCOPY --quiet --allowold --regexp /.\*/./.\*/ $hotdir"
+ debug $output
+ info "Successfully finished hotcopy of all mysql databases"
else
- execstr="$MYSQLHOTCOPY --quiet --allowold --regexp /.\*/./.\*/ $hotdir"
+ warning $output
+ warning "Failed to hotcopy all mysql databases"
fi
- debug "su $user -c '$execstr'"
- if [ ! $test ]; then
+ 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
- if [ $usevserver ]
- then
- execstr="$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 $db"
- fi
- fi
- done
- fi
+ done
+ fi
fi
##########################################################################
## SQL DUMP
-if [ "$sqldump" == "yes" ]; then
- if [ "$databases" == "all" ]; then
- if [ $usevserver ]
+if [ "$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
- databases=`echo 'show databases' | $VSERVER $vsname exec su $user -c "$MYSQL $defaultsfile" | grep -v Database`
- if [ $? -ne 0 ]
- then
- fatal "Something unexpected happened, the defaults file may have gone missing or is corrupt"
- fi
- else
- databases=`echo 'show databases' | su $user -c "$MYSQL $defaultsfile" | grep -v Database`
- if [ $? -ne 0 ]
- then
- fatal "Something unexpected happened, the defaults file may have gone missing or is corrupt"
- fi
+ fatal "Authentication problem, maybe user/password is wrong"
fi
fi
+fi
- for db in $databases; do
- if [ $usevserver ]
+ for db in $databases
+ do
+ if [ $usevserver = yes ]
then
- execstr="$VSERVER $vsname exec $MYSQLDUMP $defaultsfile --lock-tables --complete-insert --add-drop-table --quick --quote-names $ignore $db > $vroot$dumpdir/${db}.sql"
+ if [ "$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/${db}.sql"
+ fi
else
- execstr="$MYSQLDUMP $defaultsfile --lock-tables --complete-insert --add-drop-table --quick --quote-names $ignore $db > $dumpdir/${db}.sql"
+ 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
+ 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 $vroot$dumpdir/*.sql 2>&1`
- debug $output
- fi
fi
# clean up tmp config file
-if [ "$dbusername" != "" ]; then
+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