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#!/usr/bin/python
# -*- coding: utf-8 -*-
'''
Created by Jonas 'j' Lindstad for The Gathering 2015
License: GPLv3
Class used to fetch data from the Postgres DB
Usage examples:
lease.debug = True
x = lease({'distro_name': 'distro-test', 'distro_phy_port': 'ge-0/0/6'}).get_dict()
print('key lookup - hostname: %s' % x['hostname'])
'''
import psycopg2
import psycopg2.extras
# settings
settings = dict(
db = dict(
user = 'bootstrap',
password = 'asdf',
dbname = 'bootstrap',
host = 'localhost'
)
)
# connect to Postgres DB
connect_params = ("dbname='%s' user='%s' host='%s' password='%s'" % (settings['db']['dbname'], settings['db']['user'], settings['db']['host'], settings['db']['password']))
conn = psycopg2.connect(connect_params)
cur = conn.cursor(cursor_factory=psycopg2.extras.DictCursor)
class lease(object):
debug = False
def __init__(self, identifiers):
if len(identifiers) > 0: # 1 or more identifiers - we're good to go
# build query string
where_pieces = []
for x in identifiers.items():
where_pieces.append(str(x[0]) + " = '" + str(x[1]) + "'")
where = ' AND '.join(where_pieces)
select = "SELECT * FROM switches WHERE " + where + " LIMIT 1"
if self.debug is True:
print('Executing query: ' + select)
cur.execute(select)
rows = cur.fetchall()
if len(rows) is 1:
if self.debug is True:
print('returned from DB:')
for key, value in rows[0].items():
print('%s: %s' % (key, value))
self.row = rows[0]
else:
self.row = False
else:
print('Missing identifier parameter')
exit()
def get_ip(self):
if self.row is not False:
return self.row['ip']
else:
print('identifiers (%s) not found' % self.row)
return False
def get_config(self):
if self.row is not False:
return self.row['config']
else:
print('identifiers (%s) not found' % self.row)
return False
def get_dict(self):
if self.row is not False:
return self.row
else:
print('identifiers (%s) not found' % self.row)
return False
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