149 lines
4.0 KiB
Bash
Executable File
149 lines
4.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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working_dir="$(dirname $(realpath $0))"
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conf_file="${working_dir}/conf/mysql_credetials.conf"
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#LOGGING=true
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LOGGING=false
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# -------------
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# --- Some functions
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# -------------
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fatal(){
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echo ""
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if $terminal ; then
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if [[ -n "$*" ]] ; then
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echo -e " [ \033[31m\033[1mFatal\033[m ]: $*"
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echo ""
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echo -e " \033[31m\033[1mScript will be interrupted.\033[m\033[m"
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else
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echo -e " \033[31m\033[1mFatal error\033[m: \033[1mScript will be interrupted.\033[m"
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fi
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else
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if [[ -n "$*" ]] ; then
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echo " [ Fatal ]: $*"
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echo ""
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echo " Script was terminated.."
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else
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echo " Fatal error: Script was terminated.."
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fi
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fi
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echo ""
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clean_up 1
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}
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detect_mysql_version () {
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_MYSQLD_VERSION="$(mysqld -V 2>/dev/null)"
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if [[ -z "$_MYSQLD_VERSION" ]]; then
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fatal "No installed MySQL server or distribution found!"
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elif [[ "$_MYSQLD_VERSION" =~ MariaDB ]]; then
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MYSQL_CUR_DISTRIBUTION="MariaDB"
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elif [[ "$(basename "$(realpath "/usr/local/mysql")")" =~ percona- ]]; then
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MYSQL_CUR_DISTRIBUTION="Percona"
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elif [[ "$(basename "$(realpath "/usr/local/mysql")")" =~ mysql- ]]; then
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MYSQL_CUR_DISTRIBUTION="MySQL"
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fi
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MYSQL_VERSION="$(echo $_MYSQLD_VERSION | grep -o -E "[0-9]+\.[0-9]+\.[0-9]+(-[0-9]+)?" | head -n 1)"
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MYSQL_MAJOR_VERSION="$(echo $MYSQL_VERSION | cut -d '.' -f1)"
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MYSQL_MINOR_VERSION="$(echo $MYSQL_VERSION | cut -d '.' -f2)"
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MYSQL_PATCH_LEVEL="$(echo $MYSQL_VERSION | cut -d '.' -f3)"
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MYSQL_MAIN_VERSION="$(echo $MYSQL_VERSION | cut -d '.' -f1,2)"
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}
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mysqladmin=`realpath $(which mysqladmin) 2>/dev/null`
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if [ -z "$mysqladmin" ]; then
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if [ -x "/usr/local/mysql/bin/mysqladmin" ]; then
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mysql=/usr/local/mysql/bin/mysqladmin
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else
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echo
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echo -e "\t[ Error ]: \"mysqladmin\" not found !!!"
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echo
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exit
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fi
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fi
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# - Is this script running on terminal ?
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# -
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if [[ -t 1 ]] ; then
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terminal=true
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else
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terminal=false
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fi
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#---------------------------------------
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#-----------------------------
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# Read Configurations from $conf_file
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#-----------------------------
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#---------------------------------------
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if [[ -f "$conf_file" ]]; then
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source "$conf_file"
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fi
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#[[ -z "$mysql_credential_args" ]] && mysql_credential_args="--defaults-file=/usr/local/mysql/sys-maint.cnf"
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if $LOGGING ;then
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echo -e "\n[ `date` ] Going to flush host cache.."
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fi
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if [[ -z "$mysql_credential_args" ]]; then
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detect_mysql_version
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MAJOR_VERSION="$MYSQL_MAJOR_VERSION"
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MINOR_VERSION="$MYSQL_MINOR_VERSION"
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PATCH_LEVEL="$MYSQL_PATCH_LEVEL"
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if [[ "$MYSQL_CUR_DISTRIBUTION" = "MariaDB" ]] && ([[ $MAJOR_VERSION -gt 10 ]] \
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|| ( [[ $MAJOR_VERSION -eq 10 ]] && [[ $MINOR_VERSION -gt 3 ]] )) ; then
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if [[ -S "/tmp/mysql.sock" ]]; then
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mysql_credential_args="-u root -S /tmp/mysql.sock"
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elif [[ -S "/run/mysqld/mysqld.sock" ]]; then
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mysql_credential_args="-u root -S /run/mysqld/mysqld.sock"
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elif [[ -S "/var/run/mysqld/mysqld.sock" ]]; then
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mysql_credential_args="-u root -S /var/run/mysqld/mysqld.sock"
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else
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fatal "Parameter 'MYSQL_CREDENTIAL_ARGS' cannot be determined automated.
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Use configuration file "$conf_file" to set
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parameter manually."
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fi
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else
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if [[ -f "/usr/local/mysql/sys-maint.cnf" ]] ; then
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mysql_credential_args="--defaults-file=/usr/local/mysql/sys-maint.cnf"
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elif [[ -f "/etc/mysql/debian.cnf" ]] ; then
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mysql_credential_args="--defaults-file=/etc/mysql/debian.cnf"
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else
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fatal "Parameter 'MYSQL_CREDENTIAL_ARGS' cannot be determined automated.
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Use configuration file "$conf_file" to set
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parameter manually."
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fi
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fi
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fi
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# Flush host cache
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#
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$mysqladmin $mysql_credential_args flush-hosts
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[[ $? -gt 0 ]] && echo -e "\t[ Error ]: Flushing host cache failed !!"
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if $LOGGING ;then
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echo -e "\n[ `date` ] End flushing host cache"
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fi
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exit 0
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