Add optional compression: --gzip|--bzip2|--xz

[MkMySqlDump.git] / bin / mkmysqldump

diff --git a/bin/mkmysqldump b/bin/mkmysqldump
index 8489f2eeaab359f5d864513a6d083b9137488d05..80c299e64d2faa070a4bbe4d31eaab01b9dd6985 100755 (executable)
--- a/bin/mkmysqldump
+++ b/bin/mkmysqldump
@@ -12,6 +12,7 @@ MYUSER="root"
 MYPW=""
 OUTFILE="$(hostname -s)-$(date "+%Y%m%d-%H%M%S").sql"
 STATS=""
+COMPRESS=""
 
 Help() {
        echo "$NAME [<options> ...]"
@@ -28,6 +29,12 @@ Help() {
        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
 }
 
@@ -70,6 +77,18 @@ while [ $# -gt 0 ]; do
                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
@@ -84,6 +103,7 @@ while [ $# -gt 0 ]; do
 done
 
 echo "Dumping MySQL server on \"$MYHOST\" (user \"$MYUSER\"):"
+echo "Started: $(date)"
 umask 0077
 
 [ -n "$MYPW" ] && PWSWITCH="--password='$MYPW'" || PWSWITCH=""
@@ -92,7 +112,9 @@ echo "Getting list of databases from server ..."
 DATABASES=$(
        mysql -h "$MYHOST" -u "$MYUSER" $PWSWITCH -e 'show databases' \
         | grep "^\| " | cut -d' ' -f2 | grep -v "Database" \
-        | grep -v "information_schema" | grep -v "mysql"
+        | grep -v "information_schema" \
+        | grep -v "performance_schema" \
+        | grep -v "mysql"
 )
 if [ $? -ne 0 ]; then
        echo "Failed to get list of databases! Aborting!"
@@ -104,25 +126,33 @@ CMD="mysqldump \
        -h $MYHOST \
        -u $MYUSER \
        $PWSWITCH \
-       --single-transaction \
+       --master-data=1 \
        --databases $DATABASES"
 
-echo "Start: $(date)"
+echo "Start date: $(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
 
+[ $r -eq 0 ] \
+       && echo "Dump command exited with code 0, success." \
+       || echo "Dump command FAILED with code $r!" >&2
+
+echo
 exit $r