# mkmysqldump -- dump MySQL (master) data
# Copyright (c)2015 Alexander Barton <alex@barton.de>
#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+# Please read the file COPYING, README and AUTHORS for more information.
+#
NAME=$(basename "$0")
MYPW=""
OUTFILE="$(hostname -s)-$(date "+%Y%m%d-%H%M%S").sql"
STATS=""
+COMPRESS=""
Help() {
echo "$NAME [<options> ...]"
echo " Directory for automatically named dump files."
echo " --summary|-s"
echo " Display file and file system status summary."
+ echo " --gzip"
+ echo " Compress SQL dump file using gzip(1)"
+ echo " --bzip2"
+ echo " Compress SQL dump file using bzip2(1)"
+ echo " --xz"
+ echo " Compress SQL dump file using xz(1)"
echo
}
exit 2
}
+ErrorNotice() {
+ echo
+ echo "-----> THERE HAVE BEEN ERRORS! <-----"
+ echo
+}
+
for cmd in mysql mysqldump; do
if ! which "$cmd" >/dev/null 2>&1; then
echo "$NAME: \"$cmd\" command not found!"
;;
"--user"|"-u")
[ $# -ge 2 ] || Usage
- MYHOST="$2"
+ MYUSER="$2"
shift 2
;;
"--password"|"-p")
OUTFILE="$2/$(hostname -s)-$(date "+%Y%m%d-%H%M%S").sql"
shift 2
;;
+ "--gzip")
+ COMPRESS="gzip -v"
+ shift
+ ;;
+ "--bzip2")
+ COMPRESS="bzip2 -v"
+ shift
+ ;;
+ "--xz")
+ COMPRESS="xz -v"
+ shift
+ ;;
"--summary"|"-s")
STATS=1
shift
done
echo "Dumping MySQL server on \"$MYHOST\" (user \"$MYUSER\"):"
+echo
+echo "Started: $(date)"
+
umask 0077
[ -n "$MYPW" ] && PWSWITCH="--password='$MYPW'" || PWSWITCH=""
)
if [ $? -ne 0 ]; then
echo "Failed to get list of databases! Aborting!"
+ ErrorNotice
exit 1
fi
+echo "Checking slave status ..."
+Slave_IO_Running=""; Slave_SQL_Running=""
+eval "$(echo 'SHOW SLAVE STATUS\G' | mysql -h "$MYHOST" -u "$MYUSER" $PWSWITCH | sed -n '/Running/p' | sed 's/: /=/g')"
+if [ -n "$Slave_IO_Running" -o -n "$Slave_SQL_Running" ]; then
+ if [ "$Slave_IO_Running" = "Yes" -a "$Slave_SQL_Running" = "Yes" ]; then
+ echo "Server is running as MySQL slave, replication is Ok."
+ else
+ echo "Server is running as MySQL slave, but replication FAILED!"
+ ErrorNotice
+ exit 1
+ fi
+else
+ echo "Server is not running as MySQL slave. Ok."
+fi
+
+echo "Will dump the following databases:"
+for d in $DATABASES; do
+ echo " - $d"
+done
+
echo "Dumping SQL data to file \"$OUTFILE\" ..."
+echo "Beginning dump: $(date)"
CMD="mysqldump \
-h $MYHOST \
-u $MYUSER \
$PWSWITCH \
- --lock-all-tables \
--master-data=1 \
--databases $DATABASES"
-
-echo "Start: $(date)"
-echo $CMD
$CMD >"$OUTFILE"; r=$?
+if [ -n "$COMPRESS" -a -s "$OUTFILE" -a $r -eq 0 ]; then
+ echo "Dump done: $(date)"
+ echo "Compressing dump file ($COMPRESS) ..."
+ $COMPRESS "$OUTFILE"
+fi
echo "End: $(date)"
+echo
-[ $r -eq 0 ] \
- && echo "Dump command exited with code 0, success." \
- || echo "Dump command FAILED with code $r!" >&2
-
-if [ -e "$OUTFILE" -a -n "$STATS" ]; then
- echo
+if [ -n "$STATS" ]; then
echo "SQL dump file"
- ls -lh "$OUTFILE"
+ for f in "$OUTFILE"*; do
+ ls -lh "$f"*
+ done
echo
- df -h "$OUTFILE"
+ df -h "$(dirname "$OUTFILE")"
echo
fi
+if [ $r -eq 0 ]; then
+ echo "Dump command exited with code 0, success."
+else
+ echo "Dump command FAILED with code $r!" >&2
+ ErrorNotice
+fi
+
+echo
exit $r