Add script 'remove_mysql_installation.sh'.
This commit is contained in:
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7a446ef2ea
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330
remove_mysql_installation.sh
Executable file
330
remove_mysql_installation.sh
Executable file
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#!/usr/bin/env bash
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working_dir="$(dirname $(realpath $0))"
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tmp_log_file="$(mktemp)"
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# -------------
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# - Variable settings
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# -------------
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MYSQL_SERVICE_FILE="mysqld.service"
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MYSQL_SYSV_INIT_SCRIPT="mysql.server"
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_mysql_bin="/usr/local/mysql/bin/mysql"
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# -------------
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# --- Some functions
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# -------------
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clean_up() {
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# Perform program exit housekeeping
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rm -f $tmp_log_file
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exit $1
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}
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echononl(){
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echo X\\c > /tmp/shprompt$$
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if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
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echo -e -n "$*\\c" 1>&2
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else
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echo -e -n "$*" 1>&2
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fi
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rm /tmp/shprompt$$
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}
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fatal(){
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echo ""
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if [[ -n "$*" ]] ; then
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echo -e " [ \033[31m\033[1mFatal\033[m ]: $*"
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else
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echo " \033[31m\033[1mFatal error\033[m:"
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fi
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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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echo ""
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clean_up 1
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}
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error(){
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echo ""
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echo -e " [ \033[31m\033[1mError\033[m ]: $*"
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echo ""
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}
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warn (){
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echo ""
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echo -e " [ \033[33m\033[1mWarning\033[m ]: $*"
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echo ""
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}
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info (){
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echo ""
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echo -e " [ \033[32m\033[1mInfo\033[m ]: $*"
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echo ""
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}
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echo_ok() {
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echo -e "\033[80G[ \033[32mok\033[m ]"
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}
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echo_failed(){
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echo -e "\033[80G[ \033[1;31mfailed\033[m ]"
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}
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echo_skipped() {
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echo -e "\033[80G[ \033[37mskipped\033[m ]"
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}
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trap clean_up SIGHUP SIGINT SIGTERM
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clear
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echo ""
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echo ""
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echo -e " \033[32m\033[1m=========================\033[m"
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echo " Remove MYSQL Installation"
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echo -e " \033[32m\033[1m=========================\033[m"
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echo ""
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echo ""
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echo -n " Remove also the database directory? [yes/no]: "
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read OK
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if [[ "$(echo "${OK,,}")" = "yes" ]] ; then
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remove_data_dir=true
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else
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remove_data_dir=false
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fi
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echo ""
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if $remove_data_dir ; then
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warn "This will also remove the MYSQL Data Directory!"
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else
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info "The MYSQL Data Directory will be left untouched."
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fi
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echo -e " \033[32m--\033[m"
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echo ""
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echo -e -n " Type \033[1muppercase 'YES'\033[m to continue:\033[m "
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read OK
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if [[ "$OK" != "YES" ]] ; then
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echo ""
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echo -e " \033[32m--\033[m"
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fatal "Abort by user request - Answer as not 'YES'"
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else
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echo ""
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echo -e " \033[32m--\033[m"
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echo ""
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fi
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_MYSQL_INITSCRIPT=
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if [ -f "/etc/init.d/$MYSQL_SYSV_INIT_SCRIPT" ];then
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_MYSQL_INITSCRIPT="${MYSQL_SYSV_INIT_SCRIPT}"
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elif [ -f /etc/init.d/mysql.server ];then
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_MYSQL_INITSCRIPT="mysql.server"
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elif [ -f /etc/init.d/mysql ];then
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_MYSQL_INITSCRIPT="mysql"
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fi
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_SYSTEMD_SERVICE_FILE=
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if [[ -f "/etc/systemd/system/$MYSQL_SERVICE_FILE" ]]; then
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_SYSTEMD_SERVICE_FILE="${MYSQL_SERVICE_FILE}"
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elif [[ -f /etc/systemd/system/mysql.service ]] ; then
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_SYSTEMD_SERVICE_FILE="mysql.service"
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elif [[ -f /etc/systemd/system/mysqld.service ]] ; then
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_SYSTEMD_SERVICE_FILE="mysqld.service"
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fi
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echo ""
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echononl " Determine installed version number.."
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if [[ -x "$_mysql_bin" ]]; then
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CURRENT_VERSION="$($_mysql_bin -V | grep -o -E "Distrib\s+[0-9]+\.[0-9]+\.[0-9]+" | awk '{print$2}')"
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if [[ -n "$CURRENT_VERSION" ]] ; then
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echo_ok
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else
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echo_failed
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fi
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else
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CURRENT_VERSION=""
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echo_skipped
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fi
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echo ""
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_found=false
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if [[ -f "/etc/init.d/$_MYSQL_INITSCRIPT" ]] || [[ -h "$_MYSQL_INITSCRIPT" ]] ; then
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echononl " Stop MYSQL service.."
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/etc/init.d/$_MYSQL_INITSCRIPT stop > $tmp_log_file 2>&1
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if [[ $? -ne 0 ]] ; then
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echo_failed
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error "$(cat $tmp_log_file)"
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else
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echo_ok
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fi
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echononl " Disable MYSQL service.."
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update-rc.d -f $_MYSQL_INITSCRIPT remove > $tmp_log_file 2>&1
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if [[ $? -ne 0 ]] ; then
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echo_failed
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error "$(cat $tmp_log_file)"
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else
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echo_ok
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fi
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echononl " Remove '/etc/init.d/$_MYSQL_INITSCRIPT'.."
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rm "/etc/init.d/$_MYSQL_INITSCRIPT" > $tmp_log_file 2>&1
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if [[ $? -ne 0 ]] ; then
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echo_failed
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error "$(cat $tmp_log_file)"
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else
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echo_ok
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fi
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_found=true
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elif [[ -f "/etc/systemd/system/$_SYSTEMD_SERVICE_FILE" ]] ; then
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echononl " Stop MYSQL service.."
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systemctl stop $_SYSTEMD_SERVICE_FILE > $tmp_log_file 2>&1
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if [[ $? -ne 0 ]] ; then
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echo_failed
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error "$(cat $tmp_log_file)"
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else
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echo_ok
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fi
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echononl " Disable MYSQL service.."
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systemctl disable $_SYSTEMD_SERVICE_FILE > $tmp_log_file 2>&1
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if [[ $? -ne 0 ]] ; then
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echo_failed
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error "$(cat $tmp_log_file)"
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else
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echo_ok
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fi
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echononl " Remove '/etc/systemd/system/$_SYSTEMD_SERVICE_FILE'.."
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rm "/etc/systemd/system/$_SYSTEMD_SERVICE_FILE"
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if [[ $? -ne 0 ]] ; then
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echo_failed
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error "$(cat $tmp_log_file)"
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else
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echo_ok
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fi
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_found=true
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else
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warn "No SysV Initscript or Systemd Service File found."
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fi
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echo ""
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_failed=false
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echononl " Remove MYSQL data directory"
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if $remove_data_dir ; then
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if [[ -h "/data/mysql" ]]; then
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_real_dir="$(realpath /data/mysql)"
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rm "/data/mysql" > $tmp_log_file 2>&1
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if [[ $? -ne 0 ]]; then
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_failed=true
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echo_failed
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error " rm \"/data/mysql\": \n$(cat $tmp_log_file)"
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fi
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if [[ -d "${_real_dir}" ]]; then
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rm -r "${_real_dir}" > $tmp_log_file 2>&1
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if [[ $? -ne 0 ]]; then
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if ! $_failed ; then
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echo_failed
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_failed=true
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fi
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error " rm -r \"${_real_dir}\": \n$(cat $tmp_log_file)"
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fi
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fi
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if ! $_failed ; then
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echo_ok
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fi
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else
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echo_skipped
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fi
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fi
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_failed=false
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echononl " Remove MYSQL installation directory"
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if [[ -h "/usr/local/mysql" ]]; then
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_real_dir="$(realpath "/usr/local/mysql")"
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rm "/usr/local/mysql" > $tmp_log_file 2>&1
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if [[ $? -ne 0 ]]; then
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_failed=true
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echo_failed
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error " rm \"/usr/local/mysql\": \n$(cat $tmp_log_file)"
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fi
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if [[ -d "${_real_dir}" ]]; then
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rm -r "${_real_dir}" > $tmp_log_file 2>&1
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if [[ $? -ne 0 ]]; then
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if $_failed ; then
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echo_failed
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_failed=true
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fi
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error " rm -r \"${_real_dir}\": \n$(cat $tmp_log_file)"
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fi
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fi
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if ! $_failed ; then
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echo_ok
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fi
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else
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echo_skipped
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fi
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if [[ -n "$CURRENT_VERSION" ]] ; then
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echo ""
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echononl " Remove directory '${working_dir}/log-${CURRENT_VERSION}'.."
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if [[ -d "${working_dir}/log-${CURRENT_VERSION}" ]] ; then
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rm -r ${working_dir}/log-${CURRENT_VERSION} > $tmp_log_file 2>&1
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if [[ $? -ne 0 ]] ; then
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echo_failed
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error "$(cat $tmp_log_file)"
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else
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echo_ok
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fi
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else
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echo_skipped
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fi
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echononl " Remove directory '${working_dir}/mysql-${CURRENT_VERSION}'.."
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if [[ -d "${working_dir}/mysql-${CURRENT_VERSION}" ]] ; then
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rm -r ${working_dir}/mysql-${CURRENT_VERSION} > $tmp_log_file 2>&1
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if [[ $? -ne 0 ]] ; then
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echo_failed
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error "$(cat $tmp_log_file)"
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else
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echo_ok
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fi
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else
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echo_skipped
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fi
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fi
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echo ""
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clean_up 0
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