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mysql/restore_database.sh

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#!/usr/bin/env bash
CUR_IFS="$IFS"
script_name="$(basename $(realpath $0))"
working_dir="$(dirname $(realpath $0))"
conf_file="${working_dir}/conf/${script_name%%.*}.conf"
log_file="$(mktemp)"
backup_date=$(date +%Y-%m-%d-%H%M)
# =============
# --- Some Variable
# =============
# - Give your default values here
# -
right_tabstop=75
DATABASE_SERVER=""
DATABASE_SERVER_NEEDED=true
DATABASE_NAME=""
DATABASE_NAME_NEEDED=true
DATABASE_CREDENTIALS_ARGS=""
_DATABASE_CREDENTIALS_ARGS=""
DATABASE_CREDENTIALS_NEEDED=true
DATABASE_DUMP_FILE=""
DATABASE_DUMP_FILE_NEEDED=true
BATCH_MODE=false
QUIET_MODE=false
NON_INTERACTIVE_MODE=false
# =============
# --- Some functions
# =============
usage() {
[[ -n "$1" ]] && error "$1"
[[ $terminal ]] && echo -e "
\033[1mUsage:\033[m
$(basename $0) [OPTION [OPTION ..
\033[1mDescription\033[m
Script restores a database from a database dump file.
\033[1mNotice\033[m
This script was created to restore large databases. The recovery of such databases often takes
a lot of time (often several hours). For a more performant but above all faster recovery,
global variables are changed for the recovery time. This requires extensive rights on the
database server. Please take this into account when specifying the MySQL login information.
\033[1mOptions\033[m
-b
Sets batch mode to true - no interaction will be made.
-c <database credentials>
A string containing credentials to establish a database connection. This character string
can consist of username and password, but also of login information stored in the file system
or the database itself.
Example:
-c "u root -p '<password>'"
-c "--login-path=local"
-c "--defaults-file=/usr/local/mysql/sys-maint.cnf"
-c "-u root -S /run/mysqld/mysqld.sock"
If this Parameter is omitted, the script tries to detect the right credentials.
-d <db-name>
The name of the database to restore.
-f <dqpn-to-db-dump-file>
Full qualified Path Name (FQPN) to the Dump file from which the database is to be restored.
-h
Prints this help.
-s <db-server>
The database server to restore the database to. It is possible to enter an IP address or a host name.
\033[1mFiles\033[m
Configuration file: $conf_file
\033[1mExample:\033[m
Restore database 'cloud_fm' from file '/backup/cl-fm.oopen.de/MariaDB/cloud_fm/cloud_fm-2022-07-04-0006.sql'.
Run in batch mode.
\033[1m$(basename $0) -b -d cloud_01 -c "-u root -S /run/mysqld/mysqld.sock"\033[m
"
clean_up 1
}
clean_up() {
if [[ -f "$_backup_crontab_file" ]]; then
blank_line
#echononl " (Re)Install Crontab from previously saved crontab file '$_backup_crontab_file'.."
echononl " (Re)Install Crontab from previously saved crontab file ..."
crontab $_backup_crontab_file >> $log_file 2>&1
if [[ $? -eq 0 ]]; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
fi
if [[ -n "$CUR_AUTOCOMMIT" ]] ; then
mysql $DATABASE_CREDENTIALS_ARGS -N -s -e "SET GLOBAL autocommit='$CUR_AUTOCOMMIT'" > /dev/null 2>&1
fi
if [[ -n "$CUR_FOREIGN_KEY_CHECKS" ]] ; then
mysql $DATABASE_CREDENTIALS_ARGS -N -s -e "SET GLOBAL autocommit='$CUR_FOREIGN_KEY_CHECKS'" > /dev/null 2>&1
fi
if [[ -n "$CUR_UNIQUE_CHECKS" ]] ; then
mysql $DATABASE_CREDENTIALS_ARGS -N -s -e "SET GLOBAL autocommit='$CUR_UNIQUE_CHECKS'" > /dev/null 2>&1
fi
if [[ -n "$CUR_INNODB_FLUSH_LOG_AT_TRX_COMMIT" ]] ; then
mysql $DATABASE_CREDENTIALS_ARGS -N -s -e "SET GLOBAL autocommit='$CUR_INNODB_FLUSH_LOG_AT_TRX_COMMIT'" > /dev/null 2>&1
fi
# Perform program exit housekeeping
rm -f $log_file
blank_line
exit $1
}
is_number() {
return $(test ! -z "${1##*[!0-9]*}" > /dev/null 2>&1);
# - also possible
# -
#[[ ! -z "${1##*[!0-9]*}" ]] && return 0 || return 1
#return $([[ ! -z "${1##*[!0-9]*}" ]])
}
echononl(){
if $terminal && ! $QUIET_MODE ; then
echo X\\c > /tmp/shprompt$$
if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
echo -e -n "$*\\c" 1>&2
else
echo -e -n "$*" 1>&2
fi
rm /tmp/shprompt$$
fi
}
echo_done() {
if $terminal && ! $QUIET_MODE ; then
echo -e "\033[${right_tabstop}G[ \033[32mdone\033[m ]"
fi
}
echo_ok() {
if $terminal && ! $QUIET_MODE ; then
echo -e "\033[${right_tabstop}G[ \033[32mok\033[m ]"
fi
}
echo_warning() {
if $terminal && ! $QUIET_MODE ; then
echo -e "\033[${right_tabstop}G[ \033[33m\033[1mwarn\033[m ]"
fi
}
echo_failed(){
if $terminal && ! $QUIET_MODE ; then
echo -e "\033[${right_tabstop}G[ \033[1;31mfailed\033[m ]"
fi
}
echo_skipped() {
if $terminal && ! $QUIET_MODE; then
echo -e "\033[${right_tabstop}G[ \033[37mskipped\033[m ]"
fi
}
fatal (){
blank_line
if $terminal ; then
echo -e "\t[ \033[31m\033[1mFatal\033[m ]: \033[37m\033[1m$*\033[m"
echo ""
echo -e "\t\033[31m\033[1m Script will be interrupted..\033[m\033[m"
else
echo "fatal: $*"
echo "Script will be interrupted.."
fi
clean_up 1
}
error(){
blank_line
if $terminal ; then
echo -e "\t[ \033[31m\033[1mFehler\033[m ]: $*"
else
echo "Error: $*"
fi
blank_line
}
warn (){
blank_line
if $terminal && ! $QUIET_MODE ; then
echo -e "\t[ \033[33m\033[1mWarning\033[m ]: $*"
else
echo "Warning: $*"
fi
blank_line
}
info (){
if $terminal && ! $QUIET_MODE ; then
echo ""
echo -e "\t[ \033[32m\033[1mInfo\033[m ]: $*"
echo ""
fi
}
time_duration () {
local __begin=$1
local __end=$2
local __duration
if [[ "$__begin" ]] && [[ "$__end" ]] ; then
local __duration
local __time=`expr $__end - $__begin`
local __t_h=`expr $__time / 60 / 60`
local __t_rest_h=`expr $__time - $__t_h \\* 60 \\* 60`
local __t_m=`expr $__t_rest_h / 60`
local __t_s=`expr $__t_rest_h - $__t_m \\* 60`
if [[ $__t_h -gt 0 ]]; then
if [[ $__t_h -lt 10 ]] ; then
__t_h=" $__t_h"
fi
if [[ $__t_m -lt 10 ]] ; then
__t_m=" $__t_m"
fi
if [[ $__t_s -lt 10 ]] ; then
__t_s=" $__t_s"
fi
echo "$__t_h h : $__t_m min : $__t_s sec"
elif [[ $__t_m -gt 0 ]]; then
if [[ $__t_m -lt 10 ]] ; then
__t_m=" $__t_m"
fi
if [[ $__t_s -lt 10 ]] ; then
__t_s=" $__t_s"
fi
echo "$__t_m min : $__t_s sec"
else
if [[ $__t_s -lt 10 ]] ; then
echo " $__t_s sec"
else
echo "$__t_s sec"
fi
fi
else
echo "N/A"
fi
}
echo_duration () {
local __time_duration=${1}
local __length=${#__time_duration}
# print duratuion inside inside square brackets "[ duration ]" with blank delimiter,
# so add reduce tabstop by 4 characters
#
__tabstop=`expr ${right_tabstop} - ${__length} - 1 - 4`
echo -en "\033[${__tabstop}G[ \033[33m${__time_duration}\033[m ]"
}
detect_mysql_version () {
_MYSQLD_VERSION="$(mysqld -V 2>/dev/null)"
if [[ -z "$_MYSQLD_VERSION" ]]; then
fatal "No installed MySQL server or distribution found!"
elif [[ -d "/usr/local/mysql" ]] && [[ "$(basename "$(realpath "/usr/local/mysql")")" =~ percona- ]]; then
MYSQL_CUR_DISTRIBUTION="Percona"
elif [[ "$_MYSQLD_VERSION" =~ MariaDB ]]; then
MYSQL_CUR_DISTRIBUTION="MariaDB"
elif [[ "$_MYSQLD_VERSION" =~ MySQL ]]; then
MYSQL_CUR_DISTRIBUTION="MySQL"
elif [[ -d "/usr/local/mysql" ]] && [[ "$(basename "$(realpath "/usr/local/mysql")")" =~ mysql- ]]; then
MYSQL_CUR_DISTRIBUTION="MySQL"
elif [[ -d "/usr/local/mysql" ]] && [[ "$(basename "$(realpath "/usr/local/mysql")")" =~ mariadb- ]]; then
MYSQL_CUR_DISTRIBUTION="MariaDB"
else
if $BATCH_MODE ; then
fatal "No MySQL Instalation on this Server found!"
fi
error "MySQL Instalation found, but cannot determin the distribution!"
MYSQL_CUR_DISTRIBUTION=
echo ""
echo " Select the MySQL distribution to install."
echo ""
echo " [1] MySQL (the original community edition)"
echo " [2] Percona Server for MySQL"
echo " [3] MariaDB"
echo ""
echononl " Eingabe [1/2/3]: "
while [ "$MYSQL_CUR_DISTRIBUTION" != "MySQL" -a "$MYSQL_CUR_DISTRIBUTION" != "MariaDB" -a "$MYSQL_CUR_DISTRIBUTION" != "Percona" ];do
read OPTION
case $OPTION in
1) MYSQL_CUR_DISTRIBUTION="MySQL"
;;
2) MYSQL_CUR_DISTRIBUTION="Percona"
;;
3) MYSQL_CUR_DISTRIBUTION="MariaDB"
;;
*) echo ""
echo -e "\tFalsche Eingabe ! [ 1 = MySQL ; 2 = Percona ; 3 = MariaDB ]"
echo ""
echononl " Eingabe:"
;;
esac
done
fi
MYSQL_VERSION="$(echo $_MYSQLD_VERSION | grep -o -E "[0-9]+\.[0-9]+\.[0-9]+(-[0-9]+)?" | head -n 1)"
MYSQL_MAJOR_VERSION="$(echo $MYSQL_VERSION | cut -d '.' -f1)"
MYSQL_MINOR_VERSION="$(echo $MYSQL_VERSION | cut -d '.' -f2)"
MYSQL_PATCH_LEVEL="$(echo $MYSQL_VERSION | cut -d '.' -f3)"
MYSQL_MAIN_VERSION="$(echo $MYSQL_VERSION | cut -d '.' -f1,2)"
}
# Check if systemd service exists
#
service_exists() {
local n=$1
if [[ $(systemctl list-units --all -t service --full --no-legend "$n.service" | sed 's/^\s*//g' | cut -f1 -d' ') == $n.service ]]; then
return 0
else
return 1
fi
}
# Check if a given array (parameter 2) contains a given string (parameter 1)
#
containsElement () {
local e
for e in "${@:2}"; do [[ "$e" == "$1" ]] && return 0; done
return 1
}
trim() {
local var="$*"
var="${var#"${var%%[![:space:]]*}"}" # remove leading whitespace characters
var="${var%"${var##*[![:space:]]}"}" # remove trailing whitespace characters
echo -n "$var"
}
blank_line() {
if $terminal ; then
echo ""
fi
}
# ----------
# - Jobhandling
# ----------
# - Run 'clean_up' for signals SIGHUP SIGINT SIGTERM
# -
trap clean_up SIGHUP SIGINT SIGTERM
# =============
# --- Some
# =============
# - Support systemd ?
# -
if [[ "X$(which systemd)" = "X" ]]; then
SYSTEMD_EXISTS=false
else
SYSTEMD_EXISTS=true
fi
# - Running in a terminal?
# -
if [[ -t 1 ]] ; then
terminal=true
clear
else
terminal=false
QUIET_MODE=true
NON_INTERACTIVE_MODE=true
fi
# ----------
# Read Configurations from $conf_file
# ----------
if ! $QUIET_MODE ; then
echo ""
fi
echononl " Loading configuration settings from $(basename ${conf_file}).."
if [[ -f "$conf_file" ]]; then
source "$conf_file" > $log_file 2>&1
if [[ $? -eq 0 ]]; then
echo_done
else
echo_failed
fatal "$(cat $log_file)"
fi
else
echo_skipped
warn "No Configuration File found. Loading defaults.."
fi
# ----------
# - Read commandline parameter
# ----------
echononl " Read Commandline Parameter.."
while getopts bd:f:hs: opt ; do
case $opt in
b) BATCH_MODE=true
NON_INTERACTIVE_MODE=true
;;
c) DATABASE_CREDENTIALS_ARGS="$OPTARG"
;;
d) DATABASE_NAME="$OPTARG"
;;
f) DATABASE_DUMP_FILE="$OPTARG"
;;
h) usage
;;
s) DATABASE_SERVER="$OPTARG"
;;
\?) usage ;;
esac
done
echo_done
[[ -n "$DATABASE_CREDENTIALS_ARGS" ]] && DATABASE_CREDENTIALS_NEEDED=false
[[ -n "$DATABASE_SERVER" ]] && DATABASE_SERVER_NEEDED=false
[[ -n "$DATABASE_NAME" ]] && DATABASE_NAME_NEEDED=false
[[ -n "$DATABASE_DUMP_FILE" ]] && DATABASE_DUMP_FILE_NEEDED=false
if $BATCH_MODE ; then
if [[ -z "$DATABASE_DUMP_FILE" ]] ; then
fatal "No SQL Dump File given \033[m(Option -f)\033[1m!"
elif [[ ! -f "$DATABASE_DUMP_FILE" ]] ; then
fatal "\033[mSQL Dump File \033[1m${DATABASE_DUMP_FILE}\033[m not found!"
fi
if [[ -z "$DATABASE_NAME" ]] ; then
fatal "No Database given \033[m(Option -d)\033[1m!"
fi
if [[ -z "$DATABASE_CREDENTIALS_ARGS" ]] && [[ -z "$DATABASE_SERVER" ]]; then
# Try to detect local MySQL Installation
#
detect_mysql_version
MAJOR_VERSION="$MYSQL_MAJOR_VERSION"
MINOR_VERSION="$MYSQL_MINOR_VERSION"
PATCH_LEVEL="$MYSQL_PATCH_LEVEL"
if [[ "$MYSQL_CUR_DISTRIBUTION" = "MariaDB" ]] && ([[ $MAJOR_VERSION -gt 10 ]] \
|| ( [[ $MAJOR_VERSION -eq 10 ]] && [[ $MINOR_VERSION -gt 3 ]] )) ; then
if [[ -S "/tmp/mysql.sock" ]]; then
DATABASE_CREDENTIALS_ARGS="-u root -S /tmp/mysql.sock"
elif [[ -S "/run/mysqld/mysqld.sock" ]]; then
DATABASE_CREDENTIALS_ARGS="-u root -S /run/mysqld/mysqld.sock"
elif [[ -S "/var/run/mysqld/mysqld.sock" ]]; then
DATABASE_CREDENTIALS_ARGS="-u root -S /var/run/mysqld/mysqld.sock"
else
fatal "Parameter 'DATABASE_CREDENTIALS_ARGS' cannot be determined automated.
Use configuration file "$conf_file" or commandline Parameter or set
thr mysql credentials."
fi
else
if $(mysql --login-path=local -e ";" > /dev/null 2>&1) ; then
DATABASE_CREDENTIALS_ARGS="--login-path=local"
elif [[ -f "/usr/local/mysql/sys-maint.cnf" ]] ; then
DATABASE_CREDENTIALS_ARGS="--defaults-file=/usr/local/mysql/sys-maint.cnf"
elif [[ -f "/etc/mysql/debian.cnf" ]] ; then
DATABASE_CREDENTIALS_ARGS="--defaults-file=/etc/mysql/debian.cnf"
else
fatal "Parameter 'DATABASE_CREDENTIALS_ARGS' cannot be determined automated.
Use configuration file "$conf_file" to set
parameter manually."
fi
fi
elif [[ -z "$DATABASE_CREDENTIALS_ARGS" ]] && [[ -n "$DATABASE_SERVER" ]]; then
fatal "Cannot detect database credentials on remote machines. You have to set Parameter '-c'"
fi
else
if $DATABASE_SERVER ; then
echo ""
echo -e "\033[32m--\033[m"
echo ""
echo "Insert Database Server which should be created.."
echo ""
echo ""
echo -e " \033[33mType <Return> to accept the default (localhost).\033[m"
echo ""
echononl "Database Server [localhost]: "
read DATABASE_SERVER
if [[ "X$DATABASE_SERVER" = "X" ]] \
|| [[ "$DATABASE_SERVER" = 'localhost' ]] \
|| [[ "$DATABASE_SERVER" =~ ^127\. ]]; then
DATABASE_SERVER=""
fi
fi
if $DATABASE_NAME_NEEDED ; then
echo ""
echo -e "\033[32m--\033[m"
echo ""
echo "Insert Database name which should be created.."
echo ""
echo ""
echononl "Database name: "
read DATABASE_NAME
while [ "X$DATABASE_NAME" = "X" ] ; do
echo -e "\n\t\033[33m\033[1mEingabe erforderlich.\033[m\n"
echononl "Database name: "
read DATABASE_NAME
done
fi
if $DATABASE_CREDENTIALS_NEEDED ; then
# Try to detect local MySQL Installation
#
detect_mysql_version
MAJOR_VERSION="$MYSQL_MAJOR_VERSION"
MINOR_VERSION="$MYSQL_MINOR_VERSION"
PATCH_LEVEL="$MYSQL_PATCH_LEVEL"
if [[ "$MYSQL_CUR_DISTRIBUTION" = "MariaDB" ]] && ([[ $MAJOR_VERSION -gt 10 ]] \
|| ( [[ $MAJOR_VERSION -eq 10 ]] && [[ $MINOR_VERSION -gt 3 ]] )) ; then
if [[ -S "/tmp/mysql.sock" ]]; then
_DATABASE_CREDENTIALS_ARGS="-u root -S /tmp/mysql.sock"
elif [[ -S "/run/mysqld/mysqld.sock" ]]; then
_DATABASE_CREDENTIALS_ARGS="-u root -S /run/mysqld/mysqld.sock"
elif [[ -S "/var/run/mysqld/mysqld.sock" ]]; then
_DATABASE_CREDENTIALS_ARGS="-u root -S /var/run/mysqld/mysqld.sock"
fi
else
if $(mysql --login-path=local -e ";" > /dev/null 2>&1) ; then
_DATABASE_CREDENTIALS_ARGS="--login-path=local"
elif [[ -f "/usr/local/mysql/sys-maint.cnf" ]] ; then
_DATABASE_CREDENTIALS_ARGS="--defaults-file=/usr/local/mysql/sys-maint.cnf"
elif [[ -f "/etc/mysql/debian.cnf" ]] ; then
_DATABASE_CREDENTIALS_ARGS="--defaults-file=/etc/mysql/debian.cnf"
fi
fi
echo ""
echo -e "\033[32m--\033[m"
echo ""
echo "Insert Database Credentials.."
echo ""
echo -e "A string containing credentials to establish a database connection. This character string
can consist of username and password, but also of login information stored in the file system
or the database itself.
Example:
\033[33m-u root -p'<password>'\033[m
\033[33m--login-path=local\033[m
\033[33m--defaults-file=/usr/local/mysql/sys-maint.cnf\033[m
\033[33m-u root -S /run/mysqld/mysqld.sock\033[m"
echo ""
if [[ -n "$_DATABASE_CREDENTIALS_ARGS" ]] ; then
echo -e " Type <Return> to accept the default (${_DATABASE_CREDENTIALS_ARGS})."
echo ""
echononl "Database Credentials [\033[1m$_DATABASE_CREDENTIALS_ARGS\033[m]: "
read DATABASE_CREDENTIALS_ARGS
if [[ "X${DATABASE_CREDENTIALS_ARGS}" = "X" ]]; then
DATABASE_CREDENTIALS_ARGS="${_DATABASE_CREDENTIALS_ARGS}"
fi
else
echononl "Database Credentials: "
read DATABASE_CREDENTIALS_ARGS
while [ "X$DATABASE_CREDENTIALS_ARGS" = "X" ] ; do
echo -e "\n\t\033[33m\033[1mEingabe erforderlich.\033[m\n"
echononl "Database Credentials: "
read DATABASE_CREDENTIALS_ARGS
done
fi # if [[ -n "$_DATABASE_CREDENTIALS_ARGS" ]]
fi # if $DATABASE_CREDENTIALS_NEEDED ; then
if $DATABASE_DUMP_FILE_NEEDED ; then
echo ""
echo -e "\033[32m--\033[m"
echo ""
echo "Give full qualified path name (FQPN) of MySQL Dump file."
echo ""
echo ""
while [ "X$DATABASE_DUMP_FILE" = "X" ] ; do
echononl "FQPN to MySQL Dump File: "
read DATABASE_DUMP_FILE
if [[ "X$DATABASE_DUMP_FILE" = "X" ]] ; then
echo -e "\n\t\033[33m\033[1mEingabe erforderlich.\033[m\n"
continue
fi
if [[ ! -f "$DATABASE_DUMP_FILE" ]] ; then
echo -e "\n\t\033[33m\033[1mMySQL Dump File '${DATABASE_DUMP_FILE}' not found!.\033[m\n"
DATABASE_DUMP_FILE=""
fi
done
:
fi
fi # if $BATCH_MODE ; then
if ! $QUIET_MODE ; then
echo ""
echo ""
echo -e "\033[32m\033[1m====================\033[m"
echo "Create MySQL Database settings"
echo -e "\033[32m\033[1m====================\033[m"
echo ""
echo " MySQL Distribution...........: $MYSQL_CUR_DISTRIBUTION"
if [[ "$MYSQL_CUR_DISTRIBUTION" = "MariaDB" ]] ; then
echo " MariaDB Version..............: ${MAJOR_VERSION}.${MINOR_VERSION}.${PATCH_LEVEL}"
else
echo " MySQL Version................: ${MAJOR_VERSION}.${MINOR_VERSION}.${PATCH_LEVEL}"
fi
echo ""
if [[ -n "$DATABASE_SERVER" ]] ; then
echo " Database server..............: $DATABASE_SERVER"
else
echo " Database server..............: localhost"
fi
echo " Database name................: $DATABASE_NAME"
echo ""
echo " MySQL Credentials............: $DATABASE_CREDENTIALS_ARGS"
echo ""
echo " Database Dump File...........: $DATABASE_DUMP_FILE"
echo ""
echo ""
echo ""
fi
if ! $NON_INTERACTIVE_MODE ; then
echo -e -n "\033[1mContinue restoring database with above settings? [y/n]:\033[m "
read OK
while [[ "X${OK}X" = "XX" ]] ; do
echo ""
echo -e -n "\033[1mContinue with above settings? [y/n]:\033[m "
read OK
done
if [[ "${OK,,}" != 'yes' ]] && [[ "${OK,,}" != 'y' ]]; then
fatal "Abort by user request."
fi
fi
# -----
# - Doing some checks
# -----
if ! $QUIET_MODE ; then
echo ""
echo ""
echo -e "\033[37m\033[1mDoing some checks..\033[m"
echo ""
fi
echononl " Checkif Database Dump File exists .."
if [[ ! -f "$DATABASE_DUMP_FILE" ]]; then
fatal "Database Dump File '$DATABASE_DUMP_FILE' not found!"
fi
echononl " Check connection to Database Server.."
if [[ -n "$DATABASE_SERVER" ]] ; then
if ! $(mysql -h $DATABASE_SERVER $DATABASE_CREDENTIALS_ARGS -e ";" > /dev/null 2>&1) ; then
fatal "Cannot connect to Database Server '$DATABASE_SERVER'!"
fi
else
if ! $(mysql $DATABASE_CREDENTIALS_ARGS -e ";" > /dev/null 2>&1) ; then
fatal "Cannot connect to Database Server!"
fi
fi
echo_done
echononl " Check connection to Database '$DATABASE_NAME'.."
if [[ -n "$DATABASE_SERVER" ]] ; then
if ! $(mysql -h $DATABASE_SERVER $DATABASE_CREDENTIALS_ARGS $DATABASE_NAME -e ";" > /dev/null 2>&1) ; then
fatal "Cannot connect to Database '$DATABASE_NAME'!"
fi
else
if ! $(mysql $DATABASE_CREDENTIALS_ARGS $DATABASE_NAME -e ";" > /dev/null 2>&1) ; then
fatal "Cannot connect to Database '$DATABASE_NAME'!"
fi
fi
echo_done
# -----
# - Doing some pre-script tasks
# -----
if ! $QUIET_MODE ; then
echo ""
echo ""
echo -e "\033[37m\033[1mDoing some pre-script tasks..\033[m"
echo ""
fi
# - Deaktiviere Cronjobs
# -
_backup_crontab_file=/tmp/crontab_root.${backup_date}
echononl " Backup Crontab to '$_backup_crontab_file'"
crontab -l > $_backup_crontab_file 2> $log_file
if [[ $? -eq 0 ]]; then
echo_ok
else
echo_failed
fatal "$(cat $log_file)"
fi
echononl " Remove crontab for root.."
crontab -r > $log_file 2>&1
if [[ $? -eq 0 ]]; then
echo_ok
else
echo_failed
fatal "$(cat $log_file)"
fi
# - Stop Apache Webserver
# -
blank_line
echononl " Stop Apache Webserver.."
if service_exists apache2 ; then
systemctl stop apache2
if [[ $? -eq 0 ]]; then
echo_ok
else
echo_failed
fatal "$(cat $log_file)"
fi
else
echo_skipped
fi
blank_line
# - GET current (global) Autocommit value
# -
echononl " GET current (global) value \033[1mautocommit\033[m"
CUR_AUTOCOMMIT="$(mysql $DATABASE_CREDENTIALS_ARGS -N -s -e "SHOW GLOBAL VARIABLES LIKE 'autocommit'" | awk '{print$2}')" >> $log_file 2>&1
if [[ $? -eq 0 ]];then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
# - GET current (global) value for 'foreign_key_checks'
# -
echononl " GET current (global) value \033[1mforeign_key_checks\033[m"
CUR_FOREIGN_KEY_CHECKS="$(mysql $DATABASE_CREDENTIALS_ARGS -N -s -e "SHOW GLOBAL VARIABLES LIKE 'foreign_key_checks'" | awk '{print$2}')" >> $log_file 2>&1
if [[ $? -eq 0 ]];then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
# - GET current (global) value for 'unique_checks'
# -
echononl " GET current (global) value \033[1munique_checks\033[m"
CUR_UNIQUE_CHECKS="$(mysql $DATABASE_CREDENTIALS_ARGS -N -s -e "SHOW GLOBAL VARIABLES LIKE 'unique_checks'" | awk '{print$2}')" >> $log_file 2>&1
if [[ $? -eq 0 ]];then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
# - GET current (global) value for 'innodb_flush_log_at_trx_commit'
# -
echononl " GET current (global) value \033[1minnodb_flush_log_at_trx_commit\033[m"
CUR_INNODB_FLUSH_LOG_AT_TRX_COMMIT="$(mysql $DATABASE_CREDENTIALS_ARGS -N -s -e "SHOW GLOBAL VARIABLES LIKE 'innodb_flush_log_at_trx_commit'" | awk '{print$2}')" >> $log_file 2>&1
if [[ $? -eq 0 ]];then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
blank_line
echononl " Set Autocommit to OFF"
mysql $DATABASE_CREDENTIALS_ARGS -N -s -e "SET GLOBAL autocommit='OFF'" >> $log_file 2>&1
if [[ $? -eq 0 ]];then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
echononl " Set foreign_key_checks to OFF"
mysql $DATABASE_CREDENTIALS_ARGS -N -s -e "SET GLOBAL foreign_key_checks='OFF'" >> $log_file 2>&1
if [[ $? -eq 0 ]];then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
echononl " Set unique_checks to OFF"
mysql $DATABASE_CREDENTIALS_ARGS -N -s -e "SET GLOBAL unique_checks='OFF'" >> $log_file 2>&1
if [[ $? -eq 0 ]];then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
echononl " Set innodb_flush_log_at_trx_commit to 2"
mysql $DATABASE_CREDENTIALS_ARGS -N -s -e "SET GLOBAL innodb_flush_log_at_trx_commit=2" >> $log_file 2>&1
if [[ $? -eq 0 ]];then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
if ! $QUIET_MODE ; then
echo ""
echo ""
echo -e "\033[1mProcessing restoring database \033[32m$DATABASE_NAME\033[m"
echo ""
fi
echononl " Restore Database '${DATABASE_NAME}'.."
b_timestamp=$(date +"%s")
if [[ -n "$DATABASE_SERVER" ]] ; then
mysql -h $DATABASE_SERVER $DATABASE_CREDENTIALS_ARGS $DATABASE_NAME < $DATABASE_DUMP_FILE > $log_file 2>&1
else
mysql $DATABASE_CREDENTIALS_ARGS $DATABASE_NAME < $DATABASE_DUMP_FILE > $log_file 2>&1
fi
retval=$?
e_timestamp=$(date +"%s")
echo_duration "$(time_duration $b_timestamp $e_timestamp)"
if [[ $retval -eq 0 ]]; then
echo_ok
else
echo_failed
fatal "$(cat $log_file)"
fi
# -----
# - Doing some post-script tasks
# -----
if ! $QUIET_MODE ; then
echo ""
echo ""
echo -e "\033[37m\033[1mDoing some post-script tasks..\033[m"
echo ""
fi
echononl " Set Autocommit to $CUR_AUTOCOMMIT"
mysql $DATABASE_CREDENTIALS_ARGS -N -s -e "SET GLOBAL autocommit='$CUR_AUTOCOMMIT'" >> $log_file 2>&1
if [[ $? -eq 0 ]];then
echo_ok
CUR_AUTOCOMMIT=""
else
echo_failed
error "$(cat $log_file)"
fi
echononl " Set foreign_key_checks to $CUR_FOREIGN_KEY_CHECKS"
mysql $DATABASE_CREDENTIALS_ARGS -N -s -e "SET GLOBAL foreign_key_checks='$CUR_FOREIGN_KEY_CHECKS'" >> $log_file 2>&1
if [[ $? -eq 0 ]];then
echo_ok
CUR_FOREIGN_KEY_CHECKS=""
else
echo_failed
error "$(cat $log_file)"
fi
echononl " Set unique_checks to $CUR_UNIQUE_CHECKS"
mysql $DATABASE_CREDENTIALS_ARGS -N -s -e "SET GLOBAL unique_checks='$CUR_UNIQUE_CHECKS'" >> $log_file 2>&1
if [[ $? -eq 0 ]];then
echo_ok
CUR_UNIQUE_CHECKS=""
else
echo_failed
error "$(cat $log_file)"
fi
echononl " Set innodb_flush_log_at_trx_commit to $CUR_INNODB_FLUSH_LOG_AT_TRX_COMMIT"
mysql $DATABASE_CREDENTIALS_ARGS -N -s -e "SET GLOBAL innodb_flush_log_at_trx_commit=$CUR_INNODB_FLUSH_LOG_AT_TRX_COMMIT" >> $log_file 2>&1
if [[ $? -eq 0 ]];then
echo_ok
CUR_INNODB_FLUSH_LOG_AT_TRX_COMMIT=""
else
echo_failed
error "$(cat $log_file)"
fi
blank_line
# - Start Apache Webserver
# -
blank_line
echononl " Start Apache Webserver.."
if service_exists apache2 ; then
systemctl start apache2 > $log_file 2>&1
if [[ $? -eq 0 ]]; then
echo_ok
else
echo_failed
error "$(cat $log_file)"
fi
else
echo_skipped
fi
clean_up 0
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