更新慢日志收集脚本，简化配置

src/script/analysis_slow_query.sh

@@ -1,4 +1,6 @@
 #!/bin/bash
+DIR="$( cd "$( dirname "$0"  )" && pwd  )"
+cd $DIR
 
 #config monitor database server 收集日志  配置archer数据库的连接地址
 monitor_db_host="127.0.0.1"
@@ -8,40 +10,32 @@ monitor_db_password="123456"
 monitor_db_database="archer"
 
 #config mysql server 被监控机
-mysql_client="/usr/local/mysql/bin/mysql"
-mysql_host="127.0.0.1" # 和archer主库配置保持一致
-mysql_port=3306 # 和archer主库配置保持一致
-mysql_user="root"
-mysql_password="123456"
+mysql_host=$mysql_host # 和archer主库配置保持一致
+mysql_port=$mysql_port # 和archer主库配置保持一致
 
 #config slowqury 被监控机慢日志位置
-slowquery_dir="/home/mysql/slow_log/"
-slowquery_long_time=1
-slowquery_file=`$mysql_client -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password  -e "show variables like 'slow_query_log_file'"|grep log|awk '{print $2}'`
-pt_query_digest="/usr/local/bin/pt-query-digest"
+slowquery_file="/home/mysql/log_slow.log"
+pt_query_digest="/usr/bin/pt-query-digest"
 
 #config server_id
 hostname="${mysql_host}:${mysql_port}" # 用于archer做筛选
 
+#获取上次分析时间，初始化时请删除last_analysis_time_$hostname文件，可分析全部日志数据
+if [ -s last_analysis_time_$hostname ]; then
+    last_analysis_time=`cat last_analysis_time_$hostname`
+else
+    last_analysis_time='0000-00-00-00 00:00:00'
+fi
+
 #collect mysql slowquery log into monitor database
 #RDS需要增加--no-version-check选项
 $pt_query_digest \
---no-version-check \
 --user=$monitor_db_user --password=$monitor_db_password --port=$monitor_db_port \
 --review h=$monitor_db_host,D=$monitor_db_database,t=mysql_slow_query_review  \
 --history h=$monitor_db_host,D=$monitor_db_database,t=mysql_slow_query_review_history  \
 --no-report --limit=100% --charset=utf8 \
+--since "$last_analysis_time" \
 --filter="\$event->{Bytes} = length(\$event->{arg}) and \$event->{hostname}=\"$hostname\"  and \$event->{client}=\$event->{ip} " \
 $slowquery_file > /tmp/analysis_slow_query.log
 
-##### set a new slow query log ###########
-tmp_log=`$mysql_client -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password -e "select concat('$slowquery_dir','slowquery_',date_format(now(),'%Y_%m_%d_%H_%i'),'.log');"|grep log|sed -n -e '2p'`
-
-#config mysql slowquery
-$mysql_client -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password -e "set global slow_query_log=1;set global long_query_time=$slowquery_long_time;"
-$mysql_client -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password -e "set global slow_query_log_file = '$tmp_log'; "
-
-#delete log before 7 days
-/usr/bin/find $slowquery_dir -name 'slowquery_*' -mtime +7|xargs rm -rf ;
-
-####END####
+echo `date +"%Y-%m-%d %H:%M:%S"`>last_analysis_time_$hostname