__init__.py
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import sys
import os
from configparser import ConfigParser
from logging import getLogger
from datetime import datetime
from subprocess import (
Popen,
PIPE,
)
from sqlalchemy import engine_from_config
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
from zope.sqlalchemy import register
import transaction
from maintenance.logger import setup_logging
from maintenance.daemon import (
read_pid_file,
write_pid_file,
is_live,
)
from .models import (
Base,
VPN,
)
def out(s):
print(s)
sys.exit()
def init_db(argv=sys.argv[1:]):
conf_file = argv[0]
conf = ConfigParser()
conf.read(conf_file)
cf = dict(conf.items('main'))
engine = engine_from_config(cf, 'sqlalchemy.')
Base.metadata.create_all(engine)
def get_ipp_file():
files = ['/etc/openvpn/ipp.txt', '/var/log/openvpn/ipp.txt']
for filename in files:
if os.path.exists(filename):
return filename
def get_db_session(engine):
factory = sessionmaker(bind=engine)
db_session = factory()
register(db_session)
return db_session
def ping(ip: str) -> bool:
cmd1 = ['ping', '-c1', '-w', '2', ip]
cmd2 = ['grep', 'received']
cmd3 = ['cut', '-f4', '-d', ' ']
p1 = Popen(cmd1, stdout=PIPE)
p2 = Popen(cmd2, stdin=p1.stdout, stdout=PIPE)
p3 = Popen(cmd3, stdin=p2.stdout, stdout=PIPE)
stdout, stderr = p3.communicate()
n = stdout.decode('utf-8').rstrip()
return n == '1'
def init_ip(argv=sys.argv[1:]):
conf_file = argv[0]
setup_logging(conf_file)
log = getLogger()
conf = ConfigParser()
conf.read(conf_file)
cf = dict(conf.items('main'))
engine = engine_from_config(cf, 'sqlalchemy.')
ipp_file = get_ipp_file()
db_session = get_db_session(engine)
base_q = db_session.query(VPN)
with open(ipp_file) as f:
for line in f.readlines():
nama, ip = line.strip().split(',')[:2]
i = int(ip.split('.')[-1])
i += 2
ip = '.'.join(ip.split('.')[:-1]) + '.%d' % i
q = base_q.filter_by(ip=ip)
row = q.first()
if row:
continue
terhubung = ping(ip)
row = VPN(nama=nama, ip=ip, terhubung=terhubung)
with transaction.manager:
db_session.add(row)
log.info(
f'{nama} {ip} sudah ditambahkan, konektivitas {terhubung}')
def main(argv=sys.argv[1:]):
conf_file = argv[0]
conf = ConfigParser()
conf.read(conf_file)
cf = dict(conf.items('main'))
pid_file = cf['pid_file']
pid = read_pid_file(pid_file)
if pid and is_live(pid):
out(f'PID saya {pid} masih aktif.')
write_pid_file(pid_file)
setup_logging(conf_file)
log = getLogger()
engine = engine_from_config(cf, 'sqlalchemy.')
factory = sessionmaker(bind=engine)
db_session = factory()
register(db_session)
q = db_session.query(VPN)
for row in q.order_by(VPN.ip):
status_lalu = row.terhubung
cmd1 = ['ping', '-c1', '-w', '2', row.ip]
cmd2 = ['grep', 'received']
cmd3 = ['cut', '-f4', '-d', ' ']
p1 = Popen(cmd1, stdout=PIPE)
p2 = Popen(cmd2, stdin=p1.stdout, stdout=PIPE)
p3 = Popen(cmd3, stdin=p2.stdout, stdout=PIPE)
stdout, stderr = p3.communicate()
n = stdout.decode('utf-8').rstrip()
status_kini = n == '1'
status_kini = ping(row.ip)
if status_lalu == status_kini:
continue
msg = f'{row.nama} {row.ip} konektivitas: {status_lalu} -> '\
f'{status_kini}'
log.info(msg)
row.terhubung = status_kini
row.perubahan = datetime.now()
with transaction.manager:
db_session.add(row)