neo4j 通过连接mysql 动态取数据图形展示 python

neo4j 通过连接mysql 动态取数据图形展示 python

程序分二个部分:
1.创建节点,会先判断节点是否存在,存在则打印“already exists 1” 或 “already exists 2”,不存在则创建。
如:
nginx访问后端tomcat ,数据库填写如下信息:
192.168.1.1 nginx access 192.168.1.2 tomcat
2.创建关系,会按行扫描mysql
node_1 = Relationship(node1, ‘node’, node2)
3.python 运行时会先删除所有数据重新来过
4.做crontab 后,可以修改数据库后自动图形展示

# coding:utf-8
from py2neo import Graph, Node, Relationship,NodeMatcher
import MySQLdb
def createnode():
    sql = "select * from `neo4j`  ;"
    cursor.execute(sql)
    results = cursor.fetchall()
    #py2neo 4.3.0 version
    #graph = Graph('http://192.168.6.245:7474', username='neo4j', password='passwd')
    #py2neo 2021.1 version
    graph = Graph('http://192.168.1.245:7474', auth=('neo4j', 'passwd'))
    graph.delete_all()
    for row in results:
        id,monitor,ip,product,relationship,ip1,product1 = row[0],row[1],row[2],row[3],row[4],row[5],row[6]
        if monitor == 1 :
            print id,monitor,ip,product,relationship,ip1,product1
            node1 = Node('product', name=product+ip)
            node2 = Node('product', name=product1+ip1)
            matcher = NodeMatcher(graph)
            ifnode1 = matcher.match('product', name=product+ip).first()
            if ifnode1 == None:
                graph.create(node1)
            else:
                cc = ifnode1['name']
                if product+ip == cc:
                    print "already exists 1"
                else:
                    graph.create(node1)
            ifnode2 = matcher.match('product', name=product1+ip1).first()
            if ifnode2 == None:
                graph.create(node2)
            else:
                dd = ifnode2['name']
                if product1+ip1 == dd:
                    print "already exists 2"
                else:
                    graph.create(node2)
    print "create node ok"
def neo4jrelationship():
    sql = "select * from `neo4j`  ;"
    cursor.execute(sql)
    results = cursor.fetchall()
    graph = Graph('http://192.168.1.245:7474', auth=('neo4j', 'passwd'))
    for row in results:
        id,monitor,ip,product,relationship,ip1,product1 = row[0],row[1],row[2],row[3],row[4],row[5],row[6]
        if monitor == 1 :
            print id,monitor,ip,product,relationship,ip1,product1
            matcher = NodeMatcher(graph)
            node1 = matcher.match('product',name=product+ip).first()
            node2 = matcher.match('product',name=product1+ip1).first()
            node_1 = Relationship(node1, 'node', node2)
            graph.create(node_1)
if __name__=="__main__":
    try:
        conn = MySQLdb.connect("192.168.1.23", "root", "passwd", "test", charset='utf8' )
        cursor = conn.cursor()
        print "connect mysql "
        createnode()
        neo4jrelationship()
        conn.close()
    except:
        print "Error"

mysql结构:

在这里插入图片描述图形展示:

在这里插入图片描述

本图文内容来源于网友网络收集整理提供,作为学习参考使用,版权属于原作者。
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