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在Centos 7安装Mysql 5.7.27后无法启动？(语言-bash)

2022-07-27 09:36:00 【CSDN问答】
问题遇到的现象和发生背景

使用@高&玉脚本在Centos 7安装Mysql 5.7.27后无法启动
问题相关代码，请勿粘贴截图

#!/bin/bashset -eMYSQL_PASSWD="Yinhai"MYSQL_DATADIR=/data/mysql/dataMYSQL_PORT='3306'TOTAL_MEM=`free -g | grep Mem | awk '{print $2}'`TOTAL_MEM_PERCENT_70=`echo "($TOTAL_MEM*0.7)/1"`INNODB_BUFFER_POOL_SIZE=`echo $TOTAL_MEM_PERCENT_70"G"`#操作系统参数调整system_parameter_update() {echo "操作系统参数调整"#磁盘调度for disk_name in `ls /sys/block/`do    echo noop > /sys/block/$disk_name/queue/schedulerdone#大页echo  never >> /sys/kernel/mm/transparent_hugepage/enabledecho  never >> /sys/kernel/mm/transparent_hugepage/defrag#资源池限制cat >> /etc/security/limits.conf <<EOF* soft nproc 655350* hard nproc 655350* soft nofile 655350* hard nofile 655350EOFecho "fs.file-max=655350" >> /etc/sysctl.conf#SWAPecho "vm.swappiness=0" >> /etc/sysctl.conf #dirty pageecho "5" > /proc/sys/vm/dirty_background_ratioecho "10" > /proc/sys/vm/dirty_ratio}#下载安装包wget_mysql_binary() {echo "下载MySQL安装包"if read -t 60 -p "Do you download the MySQL installation package(y/n)?" WGET_VALUEthen    if [ "$WGET_VALUE" = "y" ]    then        wget https://cdn.mysql.com/archives/mysql-5.7/mysql-5.7.33-el7-x86_64.tar.gz    fielse    WGET_VALUE = "n"fi}#删除mariadb包drop_mariadb() {echo "=========================================删除mariadb==================================="mariadb_num=`rpm -qa | grep mariadb | wc -l`if [ $mariadb_num -ne 0 ]then    rpm -qa | grep mariadb | xargs rpm -e --nodepsfi}#安装依赖包yum_install_depend() {echo "安装依赖包"yum install libaio -y}#创建mysql用户user_add() {echo "创建mysql用户"useradd mysql >>/dev/nullif read -t 60 -p "(Please input the mysql password(default:$MYSQL_PASSWD):" SYS_MYSQL_PASSWORDthen    if [ "$SYS_MYSQL_PASSWORD" = "" ]; then        SYS_MYSQL_PASSWORD="$MYSQL_PASSWD"    fielse    SYS_MYSQL_PASSWORD="$MYSQL_PASSWD"fiecho "$SYS_MYSQL_PASSWORD" | passwd mysql --stdinecho "export PATH=\$PATH:/usr/local/mysql/bin" >>/home/mysql/.bashrcecho "export PATH=\$PATH:/usr/local/mysql/bin" >>/root/.bashrc}#配置MySQL目录install_mysql_path() {echo "MySQL DATADIR目录"echo -e "Please input the DATADIR of MySQL:"read -t 60 -p "(Default DATADIR:$MYSQL_DATADIR):" DATADIRif [ "$DATADIR" = "" ]; then    DATADIR=$MYSQL_DATADIRfimkdir -p $DATADIRchown -R mysql:mysql $DATADIR/chmod -R 750 $DATADIRif [ $? -eq 0 ]then    echo "Mkdir path Successfully."else    echo "Mkdir path Failed!!!"fi}#生成MySQL参数文件conf_parameter_file_1() {echo "编辑my.cnf配置文件"if [ -f /etc/mysql/my.cnf ]then    mv /etc/mysql/my.cnf /etc/mysql/my.cnf_$(date +%Y-%m-%d-%H:%M)    fiif [ -f /etc/my.cnf ]then    mv /etc/my.cnf /etc/my.cnf_$(date +%Y-%m-%d-%H:%M)    fiSERVER_ID=$(date +%s)mkdir -p /etc/mysql/cat >> /etc/mysql/my.cnf <<EOF[client]user = root#password = $PASSWD[mysqld]bind_address = 0.0.0.0port = $MYSQL_PORTbasedir = /usr/local/mysqldatadir = $DATADIRsocket = /tmp/mysql.socklower-case-table-names = 1[mysql]prompt=(\[email protected]\h) [\d]>\_no-auto-rehashEOFchown -R mysql:mysql /etc/mysql}#初始化MySQLinitdb_mysql() {echo "初始化MySQL"if [ -d /usr/local/mysql ]then    mv /usr/local/mysql /usr/local/mysql_$(date +%Y-%m-%d-%H-%M)fitar -zxf mysql-5.7.27-linux-glibc2.12-x86_64.tar.gz -C /usr/local/mv /usr/local/mysql-5.7.27-linux-glibc2.12-x86_64 /usr/local/mysqlchown -R mysql:mysql /usr/local/mysql/#初始化MySQLsu - mysql -c "mysqld --initialize-insecure --user=mysql"if [ $? -eq 0 ]then    echo "MySQL initialize Successfully."else    echo "MySQL initialize Failed!!!"fimkdir -p $DATADIR/logs/{log-bin,log-group,log-relay}chown -R mysql:mysql $DATADIR/chmod -R 750 $DATADIR}#生成MySQL参数文件conf_parameter_file_2() {echo "编辑my.cnf配置文件"if [ -f /etc/mysql/my.cnf ]then    mv /etc/mysql/my.cnf /etc/mysql/my.cnf_$(date +%Y-%m-%d-%H:%M)    fiif [ -f /etc/my.cnf ]then    mv /etc/my.cnf /etc/my.cnf_$(date +%Y-%m-%d-%H:%M)    fiSERVER_ID=$(date +%s)mkdir -p /etc/mysql/cat >> /etc/mysql/my.cnf <<EOF[client]user = root#password[mysqld]bind_address = 0.0.0.0port = $MYSQL_PORTbasedir = /usr/local/mysqldatadir = $DATADIRsocket = $DATADIR/mysql.sock#字符character_set_server = utf8mb4lower-case-table-names = 1#密码策略#plugin-load-add = validate_password.sodefault_authentication_plugin=mysql_native_password#日志设置sync_binlog = 1log-bin = $DATADIR/logs/log-bin/mysql-binbinlog_format = rowbinlog_row_image = fulllog_bin_trust_function_creators = 1expire_logs_days = 30#general_log = ongeneral_log_file = $DATADIR/logs/general.log log_error = $DATADIR/logs/error.logslow_query_log = onslow_query_log_file = $DATADIR/logs/slow.loglong_query_time = 2#min_examined_row_limit = 100#log_queries_not_using_indexes = on#log_throttle_queries_not_using_indexes = 4log_slow_admin_statements = onlog_output = filelog_slow_slave_statements = onrelay-log = $DATADIR/logs/log-relay/relay_logrelay_log_info_file = $DATADIR/logs/log-relay/relay-log.info#连接max-connections = 1000back_log = 300max_allowed_packet = 64Minteractive_timeout = 28800wait_timeout = 28800#缓存sort_buffer_size = 32Mtmp_table_size = 32Mjoin_buffer_size = 32Mread_buffer_size = 32Mread_rnd_buffer_size = 32Mkey_buffer_size = 64Mmyisam_sort_buffer_size = 64Mmax_heap_table_size = 16Mopen_files_limit = 65535thread_cache_size = 512table_open_cache = 16384table_definition_cache = 16384table_open_cache_instances = 8#InnoDBdefault-storage-engine = INNODBinnodb_buffer_pool_size = $INNODB_BUFFER_POOL_SIZEinnodb_adaptive_flushing = ONinnodb_adaptive_flushing_lwm = 15innodb_flushing_avg_loops = 30innodb_adaptive_hash_index = ONinnodb_data_home_dir = $DATADIRinnodb_file_per_table = ONinnodb_log_group_home_dir = $DATADIR/logs/log-group/innodb_log_files_in_group = 3innodb_log_buffer_size = 32Minnodb_flush_log_at_trx_commit = 1innodb_flush_log_at_timeout = 1innodb_lock_wait_timeout = 30innodb_buffer_pool_instances = 8innodb_change_buffering = allinnodb_change_buffer_max_size = 10innodb_autoextend_increment = 64innodb_thread_concurrency = 32innodb_spin_wait_delay = 6innodb_sync_spin_loops = 30innodb_open_files = 65535innodb_old_blocks_time = 30innodb_online_alter_log_max_size = 512Minnodb_write_io_threads = 8innodb_read_io_threads = 8innodb_flush_neighbors = 0innodb_io_capacity = 3000innodb_io_capacity_max = 16000innodb_lru_scan_depth = 1024innodb_purge_threads = 4innodb_purge_batch_size = 400innodb_buffer_pool_filename = ib_buffer_poolinnodb_buffer_pool_load_abort = OFFinnodb_buffer_pool_dump_now = OFFinnodb_buffer_pool_load_now = OFFinnodb_max_dirty_pages_pct = 75innodb_max_dirty_pages_pct_lwm = 0#索引列长度innodb_default_row_format = dynamicinnodb_file_format = Barracudainnodb_large_prefix = ON#Replicationserver_id = $SERVER_ID#report_host = 10.46.203.123 #本地IPgtid_mode = onenforce_gtid_consistency = onloose-plugin_load_add = 'semisync_master.so'loose-plugin_load_add = 'semisync_slave.so'loose-rpl_semi_sync_master_enabled              #安装插件后启用loose-rpl_semi_sync_slave_enabled               #安装插件后启用loose-rpl_semi_sync_master_wait_point           #安装插件后启用loose-rpl_semi_sync_master_timeout               #安装插件后启用skip_slave_start = off                           #启动MySQL是否跳过启动slave进程slave_parallel_type = LOGICAL_CLOCKslave_parallel_workers = 16slave_preserve_commit_order = onlog_slave_updates = on[mysql]prompt=(\[email protected]\h) [\d]>\_no-auto-rehashEOFchown -R mysql:mysql /etc/mysqlif [ $? -eq 0 ]then    echo "Configure my.cnf Successfully."else    echo "Configure my.cnf Failed!!!"fi}#安装MySQL SSLinstall_ssl() {echo "安装MySQL SSL"su - mysql -c "mysql_ssl_rsa_setup"chown mysql:mysql $DATADIR/*.pemif [ $? -eq 0 ]then    echo "Install MySQL SSL Successfully."else    echo "Install MySQL SSL Failed!!!"fi}#配置MySQL启动文件conf_mysqld_file() {echo "配置/etc/init.d/mysqld"if [ -f /etc/init.d/mysqld ]then    mv /etc/init.d/mysqld /etc/init.d/mysqld_$(date +%Y-%m-%d-%H:%M)ficp -f /usr/local/mysql/support-files/mysql.server /etc/rc.d/init.d/mysqldif [ $? -eq 0 ]then    echo "Configure /etc/init.d/mysqld Successfully."else    echo "Configure /etc/init.d/mysqld Failed!!!"fichown mysql:mysql /etc/rc.d/init.d/mysqld}#启动MySQLstart_mysql() {echo "启动MySQl"su - mysql -c "/usr/local/mysql/support-files/mysql.server start"}#配置增强复制config_rpl_semi() {echo "配置MySQL增强复制"su - mysql -c mysql <<EOFinstall plugin rpl_semi_sync_master soname 'semisync_master.so';install plugin rpl_semi_sync_slave soname 'semisync_slave.so';EOFsed -i "s/#rpl_semi_sync_master_enabled/rpl_semi_sync_master_enabled = on/g" /etc/mysql/my.cnfsed -i "s/#rpl_semi_sync_slave_enabled/rpl_semi_sync_slave_enabled = on/g" /etc/mysql/my.cnfsed -i "s/#rpl_semi_sync_master_wait_point/rpl_semi_sync_master_wait_point = AFTER_SYNC/g" /etc/mysql/my.cnfsed -i "s/#rpl_semi_sync_master_timeout/rpl_semi_sync_master_timeout = 5000/g" /etc/mysql/my.cnfsu - mysql -c "/etc/init.d/mysqld restart"}#修改数据库root用户的密码change_mysql_root_password() {echo "修改MySQL用户密码"echo -e "Please set the MySQL root password:"read -t 60 -p "(The default MySQL root password is '$MYSQL_PASSWD'):" MYSQL_ROOT_PASSWORDif [ "$MYSQL_ROOT_PASSWORD" = "" ]; then    MYSQL_ROOT_PASSWORD="$MYSQL_PASSWD"fisu - mysql -c mysql <<EOFset sql_log_bin = off;alter user 'root'@'localhost' identified by "$MYSQL_ROOT_PASSWORD";create user 'root'@'%' identified by "$MYSQL_ROOT_PASSWORD";grant all privileges on *.* to 'root'@'%';flush privileges;set sql_log_bin = on;EOFif [ $? -eq 0 ]then    echo "Change mysql password Successfully."else    echo "Change mysql password Failed!!!"fi}#修改my.cnf文件change_parater_passwd() {echo "修改my.cnf文件"sed -i "s/#password/password = '$MYSQL_ROOT_PASSWORD'/g" /etc/mysql/my.cnf}#操作系统参数调整system_parameter_update#下载安装包#wget_mysql_binary#删除mariadb包drop_mariadb#安装依赖包#yum_install_depend#创建用户和组user_add#配置MySQL目录install_mysql_path#生成MySQL参数文件conf_parameter_file_1#初始化MySQLinitdb_mysql#生成MySQL参数文件conf_parameter_file_2#安装MySQL SSLinstall_ssl#配置MySQL启动文件conf_mysqld_file#启动MySQLstart_mysql#配置增强复制#config_rpl_semi#修改数据库root用户的密码change_mysql_root_password#修改my.cnf文件change_parater_passwdecho -e "操作系统用户mysql的密码是:$SYS_MYSQL_PASSWORD"echo -e "MySQL数据库用户mysql的密码是:$MYSQL_ROOT_PASSWORD"