xtrabackup

mysql_backup.sh

@@ -42,6 +42,9 @@ mysqlparams="   --all-databases \
                 --add-drop-database \
                 --add-drop-table \
                 --add-drop-trigger \
+                --disable-keys \
+                --lock-tables \
+                --set-charset \
                 --triggers \
                 --add-locks \
                 --create-options \
@@ -59,6 +62,7 @@ mysqlparams="   --all-databases \
                 --order-by-primary \
                 --apply-replica-statements \
                 --dump-date \
+                --max-allowed-packet=512MB \
                 --ignore-table=mysql.slow_log \
                 --log-error=/tmp/mysqldump.log" ;
 

mysql_xtrabackup.sh

@@ -0,0 +1,135 @@
+#!/bin/sh
+#
+# MySQL backup script
+# Set authorisation and host paramethers in homedir .my.cnf param. Read README.md
+# 
+# dnf install https://repo.percona.com/yum/percona-release-latest.noarch.rpm
+# dnf install percona-xtrabackup-80.x86_64
+# dnf install qpress
+#
+# xtrabackup --decompress --target-dir=/data/compressed/
+#
+
+usage()
+{
+        echo "Usage: mysql_xtrabackup.sh -d /var/backup -n daily [-c 10 -s --compress --compress-threads=6 -e test@domain.org]"
+	    echo
+       	echo "-d | --dir :: backup directory"
+	    echo "-n | --name :: backup name"
+        echo "-c | --copies :: number of copies to store (default: 10)"
+        echo "-e | --email :: notification email"
+        echo "--compress-threads :: number of worker threads to compress. (default: 2)"
+        echo "-q | --quiet :: silent mode"
+        echo "--pid-file :: pid file default ${pidfile}"
+        echo "-h | --help :: display this help"
+}
+
+error()
+{
+
+    echo -e "\033[0;31m${1}\e[00m" ;
+    if ! [ "${email}" = "" ] ; then
+        echo "ERROR: `hostname`, ${script}: ${1}" | mail -s "'ERROR: `hostname`, ${script}: ${1}'" ${email} ;
+    fi
+}
+
+export PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin" ;
+
+script="$(basename "$(test -L "${0}" && readlink "${0}" || echo "${0}")")" ;
+pidfile="/tmp/`basename ${0}`.pid" ;
+
+
+while [ "${1}" != "" ]; do
+    case ${1} in
+        -d | --dir )            shift
+                                dir=${1} ;
+                                ;;
+	    -n | --name )		    shift
+                               	name=${1} ;
+                               	;;
+       	-c | --copies )         shift
+                                copies=${1} ;
+                                ;;
+	    -e | --email )          shift
+                                email=${1} ;
+                                ;;
+        --compress-threads )    shift
+                                compress_threads=${1}
+                                ;;
+	    -q | --quiet )		    shift
+                                quiet=1
+				                ;;
+        --pid-file )		    shift
+                                pidfile=${1}
+                                ;;
+        -h | --help )           shift
+                                usage ;
+                                exit 0;
+                                ;;
+        * )                     
+                                echo "Uncnown option ${1}!" ;
+                                usage ;
+                                exit 1 ;
+    esac
+    shift
+done
+
+if [ "${copies}" = "" ] || [ ! -n "${copies}" ] || [ "${copies}" -le "0" ] ;
+then
+	copies=10 ;
+fi
+
+if [ "${compress_threads}" = "" ] || [ ! -n "${compress_threads}" ] || [ "${compress_threads}" -lt "0" ] ;
+then
+	compress_threads=2 ;
+fi
+
+if [ "${dir}" = "" ] || [ ! -d ${dir} ] ; then
+
+	error "Directory '${dir}' does not exists!" ;
+	exit 1 ;
+fi
+
+# sleep random 1-6 sec for crone
+sleep `shuf -i0-9 -n1` ;
+
+if [ -s ${pidfile} ] ; then
+    
+    error "ERROR: `hostname` script ${script} already running! Pid file \"${pidfile}\" exists!" ;
+	exit 1 ;
+fi
+
+trap "rm -f ${pidfile} ;" EXIT INT KILL TERM SIGKILL SIGTERM SIGHUP ERR ;
+
+echo $$ > ${pidfile} ;
+
+prefix="mysql_xtrabackup.`hostname -s`.${name}";
+
+if [ `ls -t ${dir} | grep ${prefix} | wc -l` -ge "${copies}" ] ; then
+	
+    i=1 ;
+	
+    for filename in `ls ${dir} | grep ${prefix} | sort -r` ; do
+		if [ "${i}" -ge "${copies}" ] ; then
+			rm "${dir}/${filename}" ;
+		fi
+		i=$(expr $i + 1) ;
+	done
+
+fi
+
+if [ ! "${quiet}" ] ; then
+	echo "Starting database dump (`date +\"%H:%M:%S\"`)" ;
+fi
+
+dump_file_name="`realpath ${dir}`/${prefix}.`date +\"%y%m%d.%H%M%S\"`" ;
+
+xtrabackup --backup --compress --compress-threads=${compress_threads} --target-dir=${dump_file_name} > /dev/null;
+
+if [ ! "${quiet}" ] ; then
+    echo "Dump completed (`date +\"%H:%M:%S\"`)..." ;
+fi
+
+rm -f ${pidfile} ;
+
+## xtrabackup --decompress --target-dir=/data/compressed/