install_mysql-8.0.sh

@H_502_2@
#!/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
install_mysql-8.0.sh

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