mysql検査スクリプトのケースコードの詳細な紹介

以下のエディターは、mysql検査スクリプトを提供します (必読の記事)。編集者はこれがとても良いと思ったので、参考として共有します。以下に示すように、エディターと一緒に見てみましょう

:

#!/usr/bin/env python3.5

import psutil
import mysql.connector
import argparse
import json
import datetime

def get_cpu_info(verbose):
  cpu_info={}
  if verbose >0:
    print("[cpu]  start collect cpu info ...")
  data=psutil.cpu_times_percent(3)
  cpu_info['user']=data[0]
  cpu_info['system']=data[2]
  cpu_info['idle']=data[3]
  cpu_info['iowait']=data[4]
  cpu_info['hardirq']=data[5]
  cpu_info['softirq']=data[6]
  cpu_info['cpu_cores']=psutil.cpu_count()
  if verbose >0:
    print("{0}".format(json.dumps(cpu_info,ensure_ascii=False,indent=4)))
    print("[cpu]  collection compeleted ...")
  return cpu_info

def get_mem_info(verbose):
  mem_info={}
  if verbose >0:
    print("[mem]  start collect mem info ...")
  data=psutil.virtual_memory()
  mem_info['total']=data[0]/1024/1024/1024
  mem_info['avariable']=data[1]/1024/1024/1024
  if verbose>0:
    print("{0}".format(json.dumps(mem_info,ensure_ascii=False,indent=4)))
    print("[mem]  collection compeletd ...")
  return mem_info

def get_disk_info(verbose):
  disk_info={}
  if verbose >0:
    print("[disk]  start collect disk info ...")
  partitions=psutil.disk_partitions()
  partitions=[(partition[1],partition[2])for partition in partitions if partition[2]!='iso9660']
  disk_info={}
  for partition in partitions:
    disk_info[partition[0]]={}
    disk_info[partition[0]]['fstype']=partition[1]
  for mount_point in disk_info.keys():
    data=psutil.disk_usage(mount_point)
    disk_info[mount_point]['total']=data[0]/1024/1024/1024
    disk_info[mount_point]['used_percent']=data[3]
  if verbose >0:
    print("{0}".format(json.dumps(disk_info,ensure_ascii=False,indent=4)))
    print("[disk]  collection compeleted ....")
  return disk_info

def get_mysql_info(cnx_args,status_list):
  config={
    'user':cnx_args.user,
    'password':cnx_args.password,
    'host':cnx_args.host,
    'port':cnx_args.port}
  cnx=None
  cursor=None
  mysql_info={}
  try:
    cnx=mysql.connector.connect(**config)
    cursor=cnx.cursor(prepared=True)
    for index in range(len(status_list)):
      status_list[index].get_status(cursor)
      status=status_list[index]
      mysql_info[status.name]=status.value
    mysql_info['port']=config['port']
  except mysql.connector.Error as err:
    print(err)
  finally:
    if cursor != None:
      cursor.close()
    if cnx != None:
      cnx.close()
  return mysql_info

class Status(object):
  def init(self,name):
    self.name=name
    self._value=None


  def get_status(self,cursor):
    stmt="show global status like '{0}';".format(self.name)
    cursor.execute(stmt)
    value=cursor.fetchone()[1].decode('utf8')
    self._value=int(value)


  @property
  def value(self):
    if self._value==None:
      raise Exception("cant get value befor execute the get_status function")
    else:
      return self._value

IntStatus=Status


class diskResource(object):
  def init(self,mount_point,status):
    self.mount_point=mount_point
    self.status=status

  def str(self):
    result=&#39;&#39;&#39;        <p class="stage-list">
          <p class="stage-title"><span>{0}</span></p>
          <p class="detail">
            <p class="detail-list">
              <span class="detail-title">区分格式</span>
              <span class="detail-describe">{1}</span>
            </p>
            <p class="detail-list">
              <span class="detail-title">总空间大小</span>
              <span class="detail-describe">{2:8.2f}G</span>
            </p>
            <p class="detail-list">
              <span class="detail-title">空闲空间(%)</span>
              <span class="detail-describe">{3:8.2f}</span>
            </p>
            <p class="detail-list">
              
            </p>
          </p>
        </p>\n&#39;&#39;&#39;.format(self.mount_point,self.status[&#39;fstype&#39;],self.status[&#39;total&#39;],self.status[&#39;used_percent&#39;])
    return result

class diskResources(object):
  def init(self,status):
    self.disks=[]
    for mount_point in status.keys():
      self.disks.append(diskResource(mount_point,status[mount_point]))

  def str(self):
    result=&#39;&#39;&#39;    <p class="list-item">
      <p class="category">
        <span>磁盘</span>
      </p>
      <p class="second-stage">\n&#39;&#39;&#39;
    for index in range(len(self.disks)):
      result=result+self.disks[index].str()
    result=result+&#39;&#39;&#39;      </p>
    </p>\n&#39;&#39;&#39;
    return result

class cpuResources(object):
  def init(self,status):
    self.status=status
  def str(self):
    result=&#39;&#39;&#39;    <p class="list-item">
      <p class="category">
        <span>CPU</span>
      </p>
      <p class="second-stage">
        <p class="stage-list">
          <p class="stage-title"><span>global</span></p>
          <p class="detail">
            <p class="detail-list">
              <span class="detail-title">用户空间使用（%）</span>
              <span class="detail-describe">{0}</span>
            </p>
            <p class="detail-list">
              <span class="detail-title">内核空间使用（%）</span>
              <span class="detail-describe">{1}</span>
            </p>
            <p class="detail-list">
              <span class="detail-title">空闲（%）</span>
              <span class="detail-describe">{2}</span>
            </p>
            <p class="detail-list">
              <span class="detail-title">硬中断（%）</span>
              <span class="detail-describe">{3}</span>
            </p>
            <p class="detail-list">
              <span class="detail-title">软中断（%）</span>
              <span class="detail-describe">{4}</span>
            </p>
            <p class="detail-list">
              <span class="detail-title">io等待（%）</span>
              <span class="detail-describe">{5}</span>
            </p>
            <p class="detail-list">

            </p>
          </p>
        </p>
      </p>
    </p>\n&#39;&#39;&#39;.format(self.status[&#39;user&#39;],self.status[&#39;system&#39;],self.status[&#39;idle&#39;],self.status[&#39;hardirq&#39;],self.status[&#39;softirq&#39;],self.status[&#39;iowait&#39;])
    return result

class memResources(object):
  def init(self,status):
    self.status=status

  def str(self):
    result=&#39;&#39;&#39;    <p class="list-item">
      <p class="category">
        <span>MEM</span>
      </p>
      <p class="second-stage">
        <p class="stage-list">
          <p class="stage-title"><span>global</span></p>
          <p class="detail">
            <p class="detail-list">
              <span class="detail-title">总大小</span>
              <span class="detail-describe">{0:8.2f}G</span>
            </p>
            <p class="detail-list">
              <span class="detail-title">空闲大小</span>
              <span class="detail-describe">{1:8.2f}G</span>
            </p>
            
            <p class="detail-list">
              
            </p>
          </p>
        </p>
      </p>
    </p>&#39;&#39;&#39;.format(self.status[&#39;total&#39;],self.status[&#39;avariable&#39;])
    return result


class mysqlResources(object):
  def init(self,status):
    self.status=status
  def str(self):
    result=&#39;&#39;&#39;    <p class="list-item">
      <p class="category">
        <span>MYSQL</span>
      </p>
      <p class="second-stage">
        <p class="stage-list">
          <p class="stage-title"><span>{0}</span></p>
          <p class="detail">
            <p class="detail-list">
              <span class="detail-title">innodb_log_wait</span>
              <span class="detail-describe">{1}</span>
            </p>
            <p class="detail-list">
              <span class="detail-title">binlog_cache_use</span>
              <span class="detail-describe">{2}</span>
            </p>
            <p class="detail-list">
              <span class="detail-title">create_temp_disk_table</span>
              <span class="detail-describe">{3}</span>
            </p>
                        <p class="detail-list">
                            <span class="detail-title">Slow_querys</span>
                            <span class="detail-describe">{4}</span>
                        </p>

            <p class="detail-list">
              
            </p>
          </p>
        </p>
      </p>
    </p>&#39;&#39;&#39;.format(self.status[&#39;port&#39;],self.status[&#39;Innodb_log_waits&#39;],self.status[&#39;Binlog_cache_use&#39;],
             self.status[&#39;Created_tmp_disk_tables&#39;],self.status[&#39;Slow_queries&#39;])

    return result

class hostResources(object):
  def init(self,cpu_info,mem_info,disk_info,mysql_info,report_title=&#39;MySQL巡检报告&#39;):
    self.cpu=cpuResources(cpu_info)
    self.mem=memResources(mem_info)
    self.disk=diskResources(disk_info)
    self.mysql=mysqlResources(mysql_info)
    self.report_title=report_title
  def str(self):
    result=&#39;&#39;&#39;<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>巡检报告</title>
<style>
*{
  margin: 0;
  padding: 0;
}
  .content{
    width:1000px;
    height: auto;
    margin: 30px auto;
    border-bottom:1px solid #b2b2b2;
  }
  .list-item{
    border:1px solid #b2b2b2;
    border-bottom: none;
    transition: all .35s;
    overflow: hidden;
    display: flex;
  }
  .list-item:empty{
    display: none;
  }
  .top-title{
    line-height: 32px;
    font-size: 16px;
    color: #333;
    text-indent: 10px;
    font-weight: 600;
  }
  .category{
    width:97px;
    height: auto;
    border-right: 1px solid #b2b2b2;
    float: left;
    text-align: center;
    position: relative;
  }
  .stage-title>span,
  .category>span{
    display: block;
    height: 20px;
    width:100%;
    text-align: center;
    line-height: 20px;
    position: absolute;
    top: 50%;
    margin-top: -10px;left: 0;
  }
  .second-stage{
    width:900px;
    float: left;
  }
  .stage-list{
    border-bottom: 1px solid #b2b2b2;
    display: flex;
  }
  .stage-list:last-child{
    border-bottom: 0;
  }
  .stage-title{
    width:99px;
    border-right: 1px solid #b2b2b2;
    position: relative;
  }
  .detail{
    flex: 1;
  }
  .detail-list{
    border-bottom: 1px solid #b2b2b2;
    height: 40px;
    display: flex;
    transition: all .35s;
  }
  .detail-title{
    padding: 10px;
    height: 20px;
    line-height: 20px;
    border-right: 1px solid #b2b2b2;
    width:200px;
  }
  .detail-describe{
    flex: 1;
    padding: 10px;line-height: 20px;
  }
  .detail-list:last-child{
    border-bottom: 0;
  }
  .list-item:hover{
    background-color: #eee;
  }
  .detail-list:hover{
    background-color: #d1d1d1;
  }
</style>
</head>
<body>
  <p class="content">
        <p class="list-item">
            <p class="top-title">report_title</p>
        </p>\n&#39;&#39;&#39;

    result=result.replace(&#39;report_title&#39;,self.report_title)
    result=result+self.cpu.str()
    result=result+self.mem.str()
    result=result+self.disk.str()
    result=result+self.mysql.str()
    result=result+&#39;&#39;&#39;  </p>
</body>
</html>&#39;&#39;&#39;
    return result


if name=="main":
  parser=argparse.ArgumentParser()
  parser.add_argument(&#39;--verbose&#39;,type=int,default=1,help=&#39;verbose for output&#39;)
  parser.add_argument(&#39;--user&#39;,default=&#39;chkuser&#39;,help=&#39;user name for connect to mysql&#39;)
  parser.add_argument(&#39;--password&#39;,default=&#39;123456&#39;,help=&#39;user password for connect to mysql&#39;)
  parser.add_argument(&#39;--host&#39;,default=&#39;127.0.0.1&#39;,help=&#39;mysql host ip&#39;)
  parser.add_argument(&#39;--port&#39;,default=3306,type=int,help=&#39;mysql port&#39;)
  parser.add_argument(&#39;--int-status&#39;,default=(&#39;Com_select,Com_insert,Com_update,Com_delete,Innodb_log_waits,&#39;
                        &#39;Binlog_cache_disk_use,Binlog_cache_use,Created_tmp_disk_tables,&#39;
                        &#39;Slow_queries&#39;)
            ,help=&#39;mysql status its value like int&#39;)
  parser.add_argument(&#39;--report-title&#39;,default=&#39;MySQL巡检报告&#39;,help=&#39;report title&#39;)
  parser.add_argument(&#39;--output-dir&#39;,default=&#39;/tmp/&#39;,help=&#39;default report file output path&#39;)
  args=parser.parse_args()
  cpu_info=get_cpu_info(args.verbose)
  mem_info=get_mem_info(args.verbose)
  disk_info=get_disk_info(args.verbose)
  status_list=[ IntStatus(name=item) for item in args.int_status.split(&#39;,&#39;)]
  mysql_info=get_mysql_info(args,status_list)
  #dr=diskResources(disk_info)
  #cr=cpuResources(cpu_info)
  #mr=memResources(mem_info)
  #msr=mysqlResources(mysql_info)
  hr=hostResources(cpu_info,mem_info,disk_info,mysql_info,args.report_title)
  now=str(datetime.datetime.now()).replace(&#39; &#39;,&#39;^&#39;)
  if args.output_dir.endswith(&#39;/&#39;) != True:
    args.output_dir=args.output_dir+&#39;/&#39;
  filename=args.output_dir+&#39;mysql_inspection_{0}.html&#39;.format(now)
  with open(filename,&#39;w&#39;) as output:
    output.write(hr.str())
  print(&#39;[report]  the report been saved to {0}  ok.... ....&#39;.format(filename))

以上がmysql検査スクリプトのケースコードの詳細な紹介の詳細内容です。詳細については、PHP 中国語 Web サイトの他の関連記事を参照してください。