python提取xml属性导入Mysql

xml文档来自ganglia-gmond端telnet localhost 8649产生出来的文档，由于ganglia每隔一段时间就更新数据，为了永久保存数据到MySQL中，就用python写了最开始的代码，后续的数据库操作应该是update 某些属性的值。

1.使用MySQL建表

mysql>create database ganglia;

mysql>show databases;

mysql>use ganglia;

mysql> create table class (NAME char(20), VAL char(40), TYPE char(10), UNITS char(15), TN int, TMAX int, DMAX int, SLOPE char(10));

mysql> describe class2;

mysql>insert into class values('load_one','0.00','float',' ',7043,70,0,'both');

mysql> select * from class;

2.将数据保存至数据库

import xml.dom.minidom as minidom
import MySQLdb

dom = minidom.parse("181.xml")
root = dom.getElementsByTagName("GANGLIA_XML")

conn=MySQLdb.connect(host='localhost',user='root',passwd='',port=3306)
cur=conn.cursor()
conn.select_db('ganglia')

for node in root:
    gangliaxml = node.getElementsByTagName("CLUSTER")
    for cluster in gangliaxml:
        host = cluster.getElementsByTagName("HOST")
        for metric in host:
            #print(metric.getAttribute("NAME"))
            for metrics in metric.getElementsByTagName("METRIC"):
                value=[metrics.attributes["NAME"].value,
                       metrics.attributes["VAL"].value,
                       metrics.attributes["TYPE"].value,
                       metrics.attributes["UNITS"].value,
                       metrics.attributes["TN"].value,
                       metrics.attributes["TMAX"].value,
                       metrics.attributes["DMAX"].value,
                       metrics.attributes["SLOPE"].value,]
                if metric.getAttribute("NAME") == '172.19.0.181':
                    cur.execute('insert into class values(%s,%s,%s,%s,%s,%s,%s,%s)',value)
                    conn.commit()
                elif metric.getAttribute("NAME") == '172.19.0.186':
                    cur.execute('insert into class2 values(%s,%s,%s,%s,%s,%s,%s,%s)',value)
                    conn.commit()
                else:
                    cur.execute('insert into class3 values(%s,%s,%s,%s,%s,%s,%s,%s)',value)
                    conn.commit()
cur.close()
conn.close()
print 'Complete!'

xml文档是：

<?xml version="1.0" encoding="ISO-8859-1" standalone="yes"?>
<!DOCTYPE GANGLIA_XML [
   <!ELEMENT GANGLIA_XML (GRID|CLUSTER|HOST)*>
      <!ATTLIST GANGLIA_XML VERSION CDATA #REQUIRED>
      <!ATTLIST GANGLIA_XML SOURCE CDATA #REQUIRED>
   <!ELEMENT GRID (CLUSTER | GRID | HOSTS | METRICS)*>
      <!ATTLIST GRID NAME CDATA #REQUIRED>
      <!ATTLIST GRID AUTHORITY CDATA #REQUIRED>
      <!ATTLIST GRID LOCALTIME CDATA #IMPLIED>
   <!ELEMENT CLUSTER (HOST | HOSTS | METRICS)*>
      <!ATTLIST CLUSTER NAME CDATA #REQUIRED>
      <!ATTLIST CLUSTER OWNER CDATA #IMPLIED>
      <!ATTLIST CLUSTER LATLONG CDATA #IMPLIED>
      <!ATTLIST CLUSTER URL CDATA #IMPLIED>
      <!ATTLIST CLUSTER LOCALTIME CDATA #REQUIRED>
   <!ELEMENT HOST (METRIC)*>
      <!ATTLIST HOST NAME CDATA #REQUIRED>
      <!ATTLIST HOST IP CDATA #REQUIRED>
      <!ATTLIST HOST LOCATION CDATA #IMPLIED>
      <!ATTLIST HOST TAGS CDATA #IMPLIED>
      <!ATTLIST HOST REPORTED CDATA #REQUIRED>
      <!ATTLIST HOST TN CDATA #IMPLIED>
      <!ATTLIST HOST TMAX CDATA #IMPLIED>
      <!ATTLIST HOST DMAX CDATA #IMPLIED>
      <!ATTLIST HOST GMOND_STARTED CDATA #IMPLIED>
   <!ELEMENT METRIC (EXTRA_DATA*)>
      <!ATTLIST METRIC NAME CDATA #REQUIRED>
      <!ATTLIST METRIC VAL CDATA #REQUIRED>
      <!ATTLIST METRIC TYPE (string | int8 | uint8 | int16 | uint16 | int32 | uint32 | float | double | timestamp) #REQUIRED>
      <!ATTLIST METRIC UNITS CDATA #IMPLIED>
      <!ATTLIST METRIC TN CDATA #IMPLIED>
      <!ATTLIST METRIC TMAX CDATA #IMPLIED>
      <!ATTLIST METRIC DMAX CDATA #IMPLIED>
      <!ATTLIST METRIC SLOPE (zero | positive | negative | both | unspecified) #IMPLIED>
      <!ATTLIST METRIC SOURCE (gmond) 'gmond'>
   <!ELEMENT EXTRA_DATA (EXTRA_ELEMENT*)>
   <!ELEMENT EXTRA_ELEMENT EMPTY>
      <!ATTLIST EXTRA_ELEMENT NAME CDATA #REQUIRED>
      <!ATTLIST EXTRA_ELEMENT VAL CDATA #REQUIRED>
   <!ELEMENT HOSTS EMPTY>
      <!ATTLIST HOSTS UP CDATA #REQUIRED>
      <!ATTLIST HOSTS DOWN CDATA #REQUIRED>
      <!ATTLIST HOSTS SOURCE (gmond | gmetad) #REQUIRED>
   <!ELEMENT METRICS (EXTRA_DATA*)>
      <!ATTLIST METRICS NAME CDATA #REQUIRED>
      <!ATTLIST METRICS SUM CDATA #REQUIRED>
      <!ATTLIST METRICS NUM CDATA #REQUIRED>
      <!ATTLIST METRICS TYPE (string | int8 | uint8 | int16 | uint16 | int32 | uint32 | float | double | timestamp) #REQUIRED>
      <!ATTLIST METRICS UNITS CDATA #IMPLIED>
      <!ATTLIST METRICS SLOPE (zero | positive | negative | both | unspecified) #IMPLIED>
      <!ATTLIST METRICS SOURCE (gmond) 'gmond'>
]>
<GANGLIA_XML VERSION="3.6.1" SOURCE="gmond">
<CLUSTER NAME="sg620g" LOCALTIME="1432625962" OWNER="unspecified" LATLONG="unspecified" URL="unspecified">
<HOST NAME="172.19.0.181" IP="172.19.0.181" TAGS="" REPORTED="1432625957" TN="4" TMAX="20" DMAX="0" LOCATION="unspecified" GMOND_STARTED="1432609944">
<METRIC NAME="load_one" VAL="0.01" TYPE="float" UNITS=" " TN="33" TMAX="70" DMAX="0" SLOPE="both">
<EXTRA_DATA>
<EXTRA_ELEMENT NAME="GROUP" VAL="load"/>
<EXTRA_ELEMENT NAME="DESC" VAL="One minute load average"/>
<EXTRA_ELEMENT NAME="TITLE" VAL="One Minute Load Average"/>
</EXTRA_DATA>
</METRIC>

...............

</HOST>
<HOST NAME="172.19.0.186" IP="172.19.0.186" TAGS="" REPORTED="1432625960" TN="2" TMAX="20" DMAX="0" LOCATION="unspecified" GMOND_STARTED="1432366857">
<METRIC NAME="load_one" VAL="0.53" TYPE="float" UNITS=" " TN="33" TMAX="70" DMAX="0" SLOPE="both">
<EXTRA_DATA>
<EXTRA_ELEMENT NAME="GROUP" VAL="load"/>
<EXTRA_ELEMENT NAME="DESC" VAL="One minute load average"/>
<EXTRA_ELEMENT NAME="TITLE" VAL="One Minute Load Average"/>
</EXTRA_DATA>
</METRIC>

...................

</HOST>
<HOST NAME="172.19.0.177" IP="172.19.0.177" TAGS="" REPORTED="1432625960" TN="2" TMAX="20" DMAX="0" LOCATION="unspecified" GMOND_STARTED="1432395875">
<METRIC NAME="load_one" VAL="0.39" TYPE="float" UNITS=" " TN="33" TMAX="70" DMAX="0" SLOPE="both">
<EXTRA_DATA>
<EXTRA_ELEMENT NAME="GROUP" VAL="load"/>
<EXTRA_ELEMENT NAME="DESC" VAL="One minute load average"/>
<EXTRA_ELEMENT NAME="TITLE" VAL="One Minute Load Average"/>
</EXTRA_DATA>
</METRIC>

.........................

</HOST>
</CLUSTER>
</GANGLIA_XML>