diff dns
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2bc0bd855e
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18
backUpDB.sh
18
backUpDB.sh
@ -3,8 +3,8 @@
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dbUser=$1
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dbUser=$1
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dbPassword=$2
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dbPassword=$2
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dbHost=$3
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dbHost=$3
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dbName=$5
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dbPort=$4
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dbPort=$4
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dbName=$5
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backUpPath=$6
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backUpPath=$6
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ossPath=$7
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ossPath=$7
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hostName=$(echo $HOSTNAME)
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hostName=$(echo $HOSTNAME)
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@ -12,28 +12,26 @@ hostName=$(echo $HOSTNAME)
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PATH=PATH:/usr/bin:/usr/sbin:/usr/local/bin
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PATH=PATH:/usr/bin:/usr/sbin:/usr/local/bin
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check_port() {
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check_port() {
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nc -z -w5 $dbHost $dbPort
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nc -z -w5 $dbHost $dbPort
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}
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}
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cd /tmp
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cd /tmp
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rm ${hostName}_${dbName}.sql_bak3.tar.gz -f || true
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rm ${hostName}_${dbName}.sql_bak3.tar.gz -f || true
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mv ${hostName}_${dbName}.sql_bak2.tar.gz ${hostName}_${dbName}.sql_bak3.tar.gz -f || true
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mv ${hostName}_${dbName}.sql_bak2.tar.gz ${hostName}_${dbName}.sql_bak3.tar.gz -f || true
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mv ${hostName}_${dbName}.sql_bak1.tar.gz ${hostName}_${dbName}.sql_bak2.tar.gz -f || true
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mv ${hostName}_${dbName}.sql_bak1.tar.gz ${hostName}_${dbName}.sql_bak2.tar.gz -f || true
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mv ${hostName}_${dbName}.sql.tar.gz ${hostName}_${dbName}.sql_bak1.tar.gz -f || true
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mv ${hostName}_${dbName}.sql.tar.gz ${hostName}_${dbName}.sql_bak1.tar.gz -f || true
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sed -i 's/lower_case_table_names=1/lower_case_table_names=0/g' /root/mysql/conf/append.cnf
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sed -i 's/lower_case_table_names=1/lower_case_table_names=0/g' /root/mysql/conf/append.cnf
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if check_port; then
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if check_port; then
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echo "端口 $dbPort 是活跃的,一切正常。"
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echo "端口 $dbPort 是活跃的,一切正常。"
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else
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else
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echo "警告:端口 $dbPort 不活跃,请检查数据库连接。"
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echo "警告:端口 $dbPort 不活跃,请检查数据库连接。"
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docker restart maria
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docker restart maria
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sleep 10
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sleep 10
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fi
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fi
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/usr/bin/mysqldump -R --opt --protocol=TCP --user="${dbUser}" --password="${dbPassword}" --host="${dbHost}" --port=${dbPort} ${dbName} > /tmp/${hostName}_${dbName}.sql
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/usr/bin/mysqldump -R --opt --protocol=TCP --user="${dbUser}" --password="${dbPassword}" --host="${dbHost}" --port=${dbPort} ${dbName} >/tmp/${hostName}_${dbName}.sql
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sed -i 's/lower_case_table_names=0/lower_case_table_names=1/g' /root/mysql/conf/append.cnf
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sed -i 's/lower_case_table_names=0/lower_case_table_names=1/g' /root/mysql/conf/append.cnf
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rm sql -fr || true
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rm sql -fr || true
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mkdir sql
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mkdir sql
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mv ${hostName}_${dbName}.sql sql
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mv ${hostName}_${dbName}.sql sql
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13
checkDns.sh
Executable file
13
checkDns.sh
Executable file
@ -0,0 +1,13 @@
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#!/bin/bash
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# 检查参数个数是否正确
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if [ $# -ne 2 ]; then
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echo "用法: $0 <域名> <DNS服务器地址>"
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exit 1
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fi
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domain="$1"
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dns_server="$2"
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# 使用dig命令查询域名对应的IP地址,并过滤结果只保留IP地址
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dig +short "$domain" @$dns_server | grep -E "^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$"
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36
diffDns.sh
Executable file
36
diffDns.sh
Executable file
@ -0,0 +1,36 @@
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#!/bin/bash
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# 检查参数个数是否正确
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if [ $# -ne 3 ]; then
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echo "用法: $0 <域名> <DNS服务器地址1> <DNS服务器地址2>"
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exit 1
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fi
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domain="$1"
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dns_server1="$2"
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dns_server2="$3"
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# 调用checkDns.sh获取第一个DNS服务器解析的所有IP地址
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result1=$(./checkDns.sh "$domain" "$dns_server1")
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# 调用checkDns.sh获取第二个DNS服务器解析的所有IP地址
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result2=$(./checkDns.sh "$domain" "$dns_server2")
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# 获取result1的第一个IP地址
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first_ip_result1=$(echo "$result1" | head -n 1)
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# 检查result1的第一个IP地址是否包含在result2中
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if echo "$result2" | grep -q "^$first_ip_result1$"; then
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echo "result1的第一个IP地址包含在result2的结果集合中"
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else
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echo "result1的第一个IP地址不包含在result2的结果集合中,执行指定命令"
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# 在这里替换成你实际要执行的命令,比如:
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# some_command arg1 arg2
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fi
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# 输出第一个DNS服务器解析的所有IP地址
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echo "DNS服务器 $dns_server1 解析的IP地址:"
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echo "$result1"
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# 输出第二个DNS服务器解析的所有IP地址
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echo "DNS服务器 $dns_server2 解析的IP地址:"
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echo "$result2"
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