MySQL inspection script (must read)

#!/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 completed ...")
  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 before 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=''' <div class="stage-list">
          <div class="stage-title"><span>{0}</span></div>
          <div class="detail">
            <p class="detail-list">
              <span class="detail-title">Distinguish formats</span>
              <span class="detail-describe">{1}</span>
            </p>
            <p class="detail-list">
              <span class="detail-title">Total space size</span>
              {2:8.2f}G
            </p>
            <p class="detail-list">
              <span class="detail-title">Free space (%)</span>
              {3:8.2f}
            </p>
            <p class="detail-list">
              
            </p>
          </div>
        </div>\n'''.format(self.mount_point,self.status['fstype'],self.status['total'],self.status['used_percent'])
    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=''' <div class="list-item">
      <div class="category">
        <span>Disk</span>
      </div>
      <div class="second-stage">\n'''
    for index in range(len(self.disks)):
      result = result + self.disks[index].__str__()
    result=result+''' </div>
    </div>\n'''
    return result

class cpuResources(object):
  def __init__(self, status):
    self.status = status
  def __str__(self):
    result=''' <div class="list-item">
      <div class="category">
        <span>CPU</span>
      </div>
      <div class="second-stage">
        <div class="stage-list">
          <div class="stage-title"><span>global</span></div>
          <div class="detail">
            <p class="detail-list">
              <span class="detail-title">User space usage (%)</span>
              <span class="detail-describe">{0}</span>
            </p>
            <p class="detail-list">
              <span class="detail-title">Kernel space usage (%)</span>
              <span class="detail-describe">{1}</span>
            </p>
            <p class="detail-list">
              <span class="detail-title">Idle (%)</span>
              <span class="detail-describe">{2}</span>
            </p>
            <p class="detail-list">
              <span class="detail-title">Hard interrupt (%)</span>
              <span class="detail-describe">{3}</span>
            </p>
            <p class="detail-list">
              <span class="detail-title">Soft interrupt (%)</span>
              <span class="detail-describe">{4}</span>
            </p>
            <p class="detail-list">
              <span class="detail-title">io wait (%)</span>
              {5}
            </p>
            <p class="detail-list">

            </p>
          </div>
        </div>
      </div>
    </div>\n'''.format(self.status['user'],self.status['system'],self.status['idle'],self.status['hardirq'],self.status['softirq'],self.status['iowait'])
    return result

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

  def __str__(self):
    result=''' <div class="list-item">
      <div class="category">
        <span>MEM</span>
      </div>
      <div class="second-stage">
        <div class="stage-list">
          <div class="stage-title"><span>global</span></div>
          <div class="detail">
            <p class="detail-list">
              <span class="detail-title">Total size</span>
              {0:8.2f}G
            </p>
            <p class="detail-list">
              <span class="detail-title">Free size</span>
              {1:8.2f}G
            </p>
            
            <p class="detail-list">
              
            </p>
          </div>
        </div>
      </div>
    </div>'''.format(self.status['total'],self.status['avariable'])
    return result


class mysqlResources(object):
  def __init__(self, status):
    self.status = status
  def __str__(self):
    result=''' <div class="list-item">
      <div class="category">
        <span>MYSQL</span>
      </div>
      <div class="second-stage">
        <div class="stage-list">
          <div class="stage-title"><span>{0}</span></div>
          <div class="detail">
            <p class="detail-list">
              innodb_log_wait
              <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>
          </div>
        </div>
      </div>
    </div>'''.format(self.status['port'],self.status['Innodb_log_waits'],self.status['Binlog_cache_use'],
             self.status['Created_tmp_disk_tables'], self.status['Slow_queries'])

    return result

class hostResources(object):
  def __init__(self,cpu_info,mem_info,disk_info,mysql_info,report_title='MySQL Inspection Report'):
    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='''<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Inspection Report</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>
  <div class="content">
        <div class="list-item">
            <p class="top-title">report_title</p>
        </div>\n'''

    result = result.replace('report_title', 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+''' </div>
</body>
</html>'''
    return result


if __name__=="__main__":
  parser = argparse.ArgumentParser()
  parser.add_argument('--verbose',type=int,default=1,help='verbose for output')
  parser.add_argument('--user',default='chkuser',help='user name for connect to mysql')
  parser.add_argument('--password',default='123456',help='user password for connect to mysql')
  parser.add_argument('--host',default='127.0.0.1',help='mysql host ip')
  parser.add_argument('--port',default=3306,type=int,help='mysql port')
  parser.add_argument('--int-status',default=('Com_select,Com_insert,Com_update,Com_delete,Innodb_log_waits,'
                        'Binlog_cache_disk_use,Binlog_cache_use,Created_tmp_disk_tables,'
                        'Slow_queries')
            ,help='mysql status its value like int')
  parser.add_argument('--report-title',default='MySQL Inspection Report',help='report title')
  parser.add_argument('--output-dir',default='/tmp/',help='default report file output path')
  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(',')]
  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(' ','^')
  if args.output_dir.endswith('/') != True:
    args.output_dir = args.output_dir + '/'
  filename=args.output_dir+'mysql_inspection_{0}.html'.format(now)
  with open(filename,'w') as output:
    output.write(hr.__str__())
  print('[report] the report was saved to {0} ok.... ....'.format(filename))