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-rw-r--r--handlers/mysql74
1 files changed, 54 insertions, 20 deletions
diff --git a/handlers/mysql b/handlers/mysql
index 8283ba4..13dd62f 100644
--- a/handlers/mysql
+++ b/handlers/mysql
@@ -3,17 +3,28 @@
#
getconf backupdir /var/backups/mysql
-getconf configfile /etc/mysql/debian.cnf
getconf databases all
-getconf compress yes
-getconf dbusername
-getconf dbpassword
getconf dbhost localhost
-getconf hotcopy yes
+getconf hotcopy no
getconf sqldump no
-getconf user root
+getconf compress yes
getconf vsname
+# authentication:
+getconf user
+getconf dbusername
+getconf dbpassword
+getconf configfile /etc/mysql/debian.cnf
+
+if [ "$user" == "" ]; then
+ userset=false;
+ user=root;
+else
+ userset=true;
+ userhome=`grep "^$user:" /etc/passwd | awk -F: '{print $6}'`
+ [ -f $userhome/.my.cnf ] || fatal "Can't find config file in $userhome/.my.cnf"
+fi
+
# If vservers are configured, decide if the handler should
# use them or if it should just operate on the host
@@ -51,17 +62,33 @@ else
[ "$hotcopy" == "no" -o -d $hotdir ] || mkdir -p $hotdir
fi
+#######################################################################
+## AUTHENTICATION
+
+#
+# one of three authentication methods:
+# 1. setting the user, so that /home/user/.my.cnf is used.
+# 2. specifying the user and password in the handler config,
+# which generates a temporary .my.cnf in /root/.my.cnf
+# 3. specify the config file with --defaults-file
+# (this option DOESN'T WORK WITH MYSQLHOTCOPY)
+#
+
# create .my.cnf
# only if dbusername and dbpassword specified.
-# we create a tmp file because we don't want to have to
+# we create a tmp file because we don't want to
# specify the password on the command line.
defaultsfile=""
if [ "$dbusername" != "" -a "$dbpassword" != "" ]; then
- mycnf="/tmp/backupninja.$$.my.cnf"
+ 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
- debug "rm $mycnf"
- rm $mycnf
+ # rename temporarily
+ tmpcnf="$home/my.cnf.disable"
+ debug "mv $mycnf $tmpcnf"
+ mv $mycnf $tmpcnf
fi
oldmask=`umask`
umask 077
@@ -80,21 +107,22 @@ user=$dbusername
password=$dbpassword
EOF
umask $oldmask
- defaultsfile="--defaults-file $mycnf"
-else
- # otherwise, use $configfile
- defaultsfile="--defaults-file $configfile"
+ defaultsfile="--defaults-file=$mycnf"
+elif [ "$userset" == "false" ]; then
+ # if user is set, don't use $configfile
+ defaultsfile="--defaults-file=$configfile"
fi
+#######################################################################
## HOT COPY
if [ "$hotcopy" == "yes" ]; then
if [ "$databases" == "all" ]; then
if [ $usevserver ]
then
- execstr="$VSERVER $vsname exec $MYSQLHOTCOPY $defaultsfile --quiet --allowold --regexp /.\*/./.\*/ $hotdir"
+ execstr="$VSERVER $vsname exec $MYSQLHOTCOPY --quiet --allowold --regexp /.\*/./.\*/ $hotdir"
else
- execstr="$MYSQLHOTCOPY $defaultsfile --quiet --allowold --regexp /.\*/./.\*/ $hotdir"
+ execstr="$MYSQLHOTCOPY --quiet --allowold --regexp /.\*/./.\*/ $hotdir"
fi
debug "su $user -c '$execstr'"
if [ ! $test ]; then
@@ -112,9 +140,9 @@ if [ "$hotcopy" == "yes" ]; then
for db in $databases; do
if [ $usevserver ]
then
- execstr="$VSERVER $vsname exec $MYSQLHOTCOPY $defaultsfile --allowold $db $hotdir"
+ execstr="$VSERVER $vsname exec $MYSQLHOTCOPY --allowold $db $hotdir"
else
- execstr="$MYSQLHOTCOPY $defaultsfile --allowold $db $hotdir"
+ execstr="$MYSQLHOTCOPY --allowold $db $hotdir"
fi
debug "su $user -c '$execstr'"
if [ ! $test ]; then
@@ -131,7 +159,8 @@ if [ "$hotcopy" == "yes" ]; then
done
fi
fi
-
+
+##########################################################################
## SQL DUMP
if [ "$sqldump" == "yes" ]; then
@@ -172,9 +201,14 @@ if [ "$sqldump" == "yes" ]; then
fi
# clean up tmp config file
-if [ -f "$mycnf" ]; then
+if [ "$dbusername" != "" ]; 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