查看Mysql集羣狀態

查看Mysql集羣狀態

依賴sshpass命令，所以需要先安裝sshpass-1.06-1.el7.x86_64.rpm

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chmod +x check-mysql.sh

#!/bin/sh
#set -ex

#日誌名稱
LOG_FILE=host_check_$(date "+%Y%m%d").log
#註釋變量或密碼留空則執行腳本時輸入
SSHPASS=[password]
MYSQLPASS=[password]

if [[ ! -x $(command -v sshpass 2> /dev/null) ]]; then
  echo -e 'sshpass does not exist, you should install sshpass.'
  exit 0
fi

if [[ -z ${SSHPASS} ]]; then
  read -s -p 'Enter SSH password for hosts:' SSHPASS
  export SSHPASS
  echo
else
  export SSHPASS
fi

if [[ -z ${MYSQLPASS} ]]; then
  read -s -p 'Enter MySQL password for hosts:' MYSQLPASS
  export MYSQLPASS
  echo
else
  export MYSQLPASS
fi

cat << EOF > ~/.ssh/config
StrictHostKeyChecking no
EOF

function format_output {
  COL=$(($(tput cols) - 2))
  IFS= read -r -d '\n' INPUT
  MAX_LEN=$(echo "${INPUT}" | awk '{print length($0)}' | awk 'BEGIN {max = 0} {if ($1+0 > max+0) {max=$1; content=$0} } END {print content}')
  if [[ ${MAX_LEN} -gt ${COL} ]]; then
    MAX_LEN=${COL}
  fi
  MLINE=$(awk -v len=${MAX_LEN} 'BEGIN{OFS="─"; NF=len+1; print}')
  echo "┌${MLINE}┐"
  IFS=''
  echo -n "${INPUT}" | while read LINE; do
    if [[ -z ${LINE} ]]; then
      echo "├${MLINE}┤"
    else
      printf "│%-${MAX_LEN}s│\n" "${LINE}"
    fi
  done
  echo -e "└${MLINE}┘\n"
}

function ping_host {
  ping -c 1 -W 1 $1 2>&1 > /dev/null || (echo -e "Host $1: Ping Failed.\n" && exit 1)
}

function get_mysql_service {
  CT='$(cat /tmp/.mysql.socks)'
  for HOST_IP in $(echo $1 | tr ',' ' '); do
    (ping_host ${HOST_IP} && sshpass -e ssh root@${HOST_IP} 'bash -s' << EOF) | format_output | tee -a ${LOG_FILE}
export LANG=en_US.UTF-8
echo -e "MySQL Server: ${HOST_IP}\n"
echo -e "MySQL Status:"
/opt/upsql/mysql/bin/mysql -h ${HOST_IP} -P 60001 -ucup_dba -p${MYSQLPASS} -e 'show status' 2>&1 | sed -r 's/\t/   /g' | grep 'Uptime '
/opt/upsql/mysql/bin/mysql -h ${HOST_IP} -P 60001 -ucup_dba -p${MYSQLPASS} -e 'show status' 2>&1 | sed -r 's/\t/   /g' | grep 'Com_select '
/opt/upsql/mysql/bin/mysql -h ${HOST_IP} -P 60001 -ucup_dba -p${MYSQLPASS} -e 'show status' 2>&1 | sed -r 's/\t/   /g' | grep 'Com_insert '
/opt/upsql/mysql/bin/mysql -h ${HOST_IP} -P 60001 -ucup_dba -p${MYSQLPASS} -e 'show status' 2>&1 | sed -r 's/\t/   /g' | grep 'Com_update '
/opt/upsql/mysql/bin/mysql -h ${HOST_IP} -P 60001 -ucup_dba -p${MYSQLPASS} -e 'show status' 2>&1 | sed -r 's/\t/   /g' | grep 'Com_delete '
/opt/upsql/mysql/bin/mysql -h ${HOST_IP} -P 60001 -ucup_dba -p${MYSQLPASS} -e 'show status' 2>&1 | sed -r 's/\t/   /g' | grep 'Threads_connected '
echo -e "\nMySQL Database Status:"
/opt/upsql/mysql/bin/mysql -h ${HOST_IP} -P 60001 -ucup_dba -p${MYSQLPASS} -e "select table_schema as 'Database',sum(table_rows) as 'Records',sum(truncate(data_length/1024/1024, 2)) as 'Data(MB)',sum(truncate(index_length/1024/1024, 2)) as 'Index(MB)'from information_schema.tables where table_schema='cbei_isp';" 2>&1 | sed -r 's/\t/   /g' | grep -v 'password'
echo -e "\nMySQL Tables Status:"
/opt/upsql/mysql/bin/mysql -h ${HOST_IP} -P 60001 -ucup_dba -p${MYSQLPASS} -e "select table_schema as 'Database',table_name as 'Table',table_rows as 'Records', truncate(data_length/1024/1024, 2) as 'Data(MB)', truncate(index_length/1024/1024, 2) as 'Index(MB)' from information_schema.tables where table_schema='cbei_isp' order by data_length desc,index_length desc;" 2>&1 | sed 's/\t/ /g' | grep -v 'password' > /tmp/.mysql.socks
printf '%-10s %-30s %-10s %-10s %-10s\n' $CT
rm -f /tmp/.mysql.socks
EOF
  done
}

get_mysql_service 192.168.1.1

rm -f ~/.ssh/config

腳本作者：wuli濤濤