yanhechao 2021-12-28 16:41:08

install_mysql-8.0.sh

#!/bin/env bash
# =================================================
# Author: renwole.com               #
# See: https://renwole.com/archives/2215  #
# Description: MySQL automatic installation tool  #
# =================================================
export PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin

Install_MySQL() {
	# CentOS 8 mysql: error while loading shared libraries: libncurses.so.5
	yum install ncurses ncurses-compat-libs -y
	# Install dependencies
	setenforce 0
	yum -y install epel-release
	yum -y install wget tar jemalloc jemalloc-devel gcc gcc-c++

	# MySQL configuration
	mysql_version="8.0.27"
	mysql_password="nd.mm#2021"
	mkdir -p /apps/server/mysql/data
	mysql_install_dir="/apps/server/mysql"
	mysql_data_dir="/apps/server/mysql/data"
	download_mysql="https://mirrors.tuna.tsinghua.edu.cn/mysql/downloads"

	# Download MySQL
	cd /mnt
	useradd -M -s /sbin/nologin mysql >/dev/null 2>&1
	wget -c ${download_mysql}/MySQL-8.0/mysql-${mysql_version}-linux-glibc2.12-x86_64.tar.xz
    echo "========== Start installing MySQL ============"
	tar xJf mysql-${mysql_version}-linux-glibc2.12-x86_64.tar.xz
	\mv mysql-${mysql_version}-linux-glibc2.12-x86_64/* ${mysql_install_dir}
	
	if [[ -d "${mysql_install_dir}/support-files" ]]; then
		rm -rf mysql-${mysql_version}-linux-glibc2.12-x86_64
	else
		rm -rf ${mysql_install_dir}
		echo "Error: MySQL install failed, Please contact the author"
		kill -9 $$
	fi

	# Initialize the database
	${mysql_install_dir}/bin/mysqld --initialize-insecure --user=mysql --lower-case-table-names=1 --basedir=${mysql_install_dir} --datadir=${mysql_data_dir}
	chown -R root . ${mysql_install_dir}
	chown -R mysql.mysql ${mysql_data_dir}
	\cp -f ${mysql_install_dir}/support-files/mysql.server /etc/init.d/mysqld
	sed -i "s@^basedir=.*@basedir=${mysql_install_dir}@" /etc/init.d/mysqld
	sed -i "s@^datadir=.*@datadir=${mysql_data_dir}@" /etc/init.d/mysqld
	sed -i "s@/usr/local/mysql@${mysql_install_dir}@g" ${mysql_install_dir}/bin/mysqld_safe
	sed -i 's@executing mysqld_safe@executing mysqld_safe\nexport LD_PRELOAD=/usr/lib64/libjemalloc.so@' ${mysql_install_dir}/bin/mysqld_safe
	echo 'PATH=$PATH:'${mysql_install_dir}'/bin' >/etc/profile.d/mariadb_renwole.com.sh

	# my.conf configuration
	cat > /etc/my.cnf << EOF
[client]
port = 3306
socket = /tmp/mysql.sock
default-character-set = utf8mb4

[mysql]
prompt="MySQL [\\d]> "
no-auto-rehash

[mysqld]
port = 3306
socket = /tmp/mysql.sock
default_authentication_plugin = mysql_native_password

basedir = ${mysql_install_dir}
datadir = ${mysql_data_dir}
pid-file = ${mysql_data_dir}/mysql.pid
user = mysql
bind-address = 0.0.0.0
server-id = 1

init-connect = 'SET NAMES utf8mb4'
character-set-server = utf8mb4
collation-server = utf8mb4_0900_ai_ci
lower-case-table-names = 1

skip-name-resolve
#skip-networking
back_log = 300

max_connections = 1000
max_connect_errors = 6000
open_files_limit = 65535
table_open_cache = 128
max_allowed_packet = 500M
binlog_cache_size = 1M
max_heap_table_size = 8M
tmp_table_size = 16M

read_buffer_size = 2M
read_rnd_buffer_size = 8M
sort_buffer_size = 8M
join_buffer_size = 8M
key_buffer_size = 4M

thread_cache_size = 8

ft_min_word_len = 4

log_bin = mysql-bin
binlog_format = mixed
binlog_expire_logs_seconds = 604800

log_error = ${mysql_data_dir}/mysql-error.log
slow_query_log = 1
long_query_time = 1
slow_query_log_file = ${mysql_data_dir}/mysql-slow.log

performance_schema = 0
explicit_defaults_for_timestamp

lower_case_table_names = 1

skip-external-locking

default_storage_engine = InnoDB
#default-storage-engine = MyISAM
innodb_file_per_table = 1
innodb_open_files = 500
innodb_buffer_pool_size = 64M
innodb_write_io_threads = 4
innodb_read_io_threads = 4
innodb_thread_concurrency = 0
innodb_purge_threads = 1
innodb_flush_log_at_trx_commit = 2
innodb_log_buffer_size = 2M
innodb_log_file_size = 32M
innodb_log_files_in_group = 3
innodb_max_dirty_pages_pct = 90
innodb_lock_wait_timeout = 120

bulk_insert_buffer_size = 8M
myisam_sort_buffer_size = 8M
myisam_max_sort_file_size = 10G
myisam_repair_threads = 1

interactive_timeout = 28800
wait_timeout = 28800

[mysqldump]
quick
max_allowed_packet = 500M

[myisamchk]
key_buffer_size = 8M
sort_buffer_size = 8M
read_buffer = 4M
write_buffer = 4M
EOF
	# Set up MySQL
	chmod 600 /etc/my.cnf
	chmod +x /etc/init.d/mysqld
	systemctl enable mysqld
  	systemctl start mysqld
  	${mysql_install_dir}/bin/mysql -uroot -hlocalhost -e "create user root@'127.0.0.1' identified by \"${mysql_password}\";"
  	${mysql_install_dir}/bin/mysql -uroot -hlocalhost -e "grant all privileges on *.* to root@'127.0.0.1' with grant option;"
 	${mysql_install_dir}/bin/mysql -uroot -hlocalhost -e "grant all privileges on *.* to root@'localhost' with grant option;"
  	${mysql_install_dir}/bin/mysql -uroot -hlocalhost -e "alter user root@'localhost' identified by \"${mysql_password}\";"
  	${mysql_install_dir}/bin/mysql -uroot -p${mysql_password} -e "reset master;"
  	rm -rf /etc/ld.so.conf.d/{mysql,mariadb,percona,alisql}*.conf
  	echo "${mysql_install_dir}/lib" > /etc/ld.so.conf.d/mysql_renwole.com.conf
  	ldconfig
  	echo "========== MySQL installing Successfully ====="
  	echo
	echo "=============================================="
	echo "    Thank you for using Renwole.com script"
	echo "=============================================="
	echo "MySQL:"
	echo "account: root"
	echo "password: ${mysql_password}"
	echo "database: ${mysql_data_dir}"
	echo "=============================================="
}

Install_MySQL
source /etc/profile

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