ADG监控

cx_Oracle环境配置

export ORACLE_BASE=/u01/app/oracle
export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/db_1
export LD_LIBRARY_PATH=$ORACLE_HOME/lib/
export TNS_ADMIN=$ORACLE_HOME/network/admin/

脚本正本

#!/usr/bin/python
# coding:utf-8

__author__ = 'Jipu FANG'

import cx_Oracle
import sys

# 主库状态
def pdb():
    conn = cx_Oracle.connect('user/passwd@rac01/orcl')  
    cursor = conn.cursor ()
    cursor.execute ("select switchover_status from v$database")
    row = cursor.fetchone ()
    status = row[0]
    if status == 'TO STANDBY' or status == 'SESSIONS ACTIVE':
        cursor.close ()
	conn.close ()
        return "0"
    else:
	return "200"

# 备库状态
def sdb():
    conn = cx_Oracle.connect('user/passwd@rdata01/phydb')  
    cursor = conn.cursor ()
    cursor.execute ("select switchover_status from v$database")
    row = cursor.fetchone ()
    status = row[0]
    if status == 'NOT ALLOWED':
        cursor.close ()
    	conn.close ()
        return "0"
    else:
	return "200"

# DG延迟，基于SCN
class dg_delay():
    def rac1_scn(self):
    	conn = cx_Oracle.connect('user/passwd@rac01/orcl')
    	cursor = conn.cursor ()
    	cursor.execute ("select current_scn from v$database")
    	row = cursor.fetchone ()
	if row:
            scn = row[0]
	else:
	    scn = 0
    	cursor.close()
    	conn.close ()
	return scn 
 
    def sdb_scn(self):
        conn = cx_Oracle.connect('user/passwd@rdata01/phydb')
        cursor = conn.cursor ()
        cursor.execute ("select current_scn from v$database")
        row = cursor.fetchone ()
	if row:
            scn = row[0]
	else:
	    scn = 0
        cursor.close()
        conn.close ()
        return scn

    def run(self):
	scn = int(self.rac1_scn()) - int(self.sdb_scn())
	return scn
		
item = sys.argv[1]

if __name__ == '__main__':
	if item == 'pdb':
	    print pdb()
 	elif item == 'sdb':
	    print sdb()
	elif item == 'dg':
	    a = dg_delay()
	    print a.run()

脚本执行

# ./check_dg_delay_status.py dg
5