diff options
Diffstat (limited to 'maintenance')
| -rw-r--r-- | maintenance/__init__.py | 0 | ||||
| -rw-r--r-- | maintenance/admin.py | 6 | ||||
| -rw-r--r-- | maintenance/apps.py | 8 | ||||
| -rw-r--r-- | maintenance/health_monitor.py | 78 | ||||
| -rw-r--r-- | maintenance/migrations/__init__.py | 0 | ||||
| -rw-r--r-- | maintenance/models.py | 6 | ||||
| -rw-r--r-- | maintenance/tests.py | 6 | ||||
| -rw-r--r-- | maintenance/views.py | 6 |
8 files changed, 110 insertions, 0 deletions
diff --git a/maintenance/__init__.py b/maintenance/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/maintenance/__init__.py diff --git a/maintenance/admin.py b/maintenance/admin.py new file mode 100644 index 0000000..13be29d --- /dev/null +++ b/maintenance/admin.py @@ -0,0 +1,6 @@ +# -*- coding: utf-8 -*- +from __future__ import unicode_literals + +from django.contrib import admin + +# Register your models here. diff --git a/maintenance/apps.py b/maintenance/apps.py new file mode 100644 index 0000000..4262aa8 --- /dev/null +++ b/maintenance/apps.py @@ -0,0 +1,8 @@ +# -*- coding: utf-8 -*- +from __future__ import unicode_literals + +from django.apps import AppConfig + + +class MaintenanceConfig(AppConfig): + name = 'maintenance' diff --git a/maintenance/health_monitor.py b/maintenance/health_monitor.py new file mode 100644 index 0000000..87946b2 --- /dev/null +++ b/maintenance/health_monitor.py @@ -0,0 +1,78 @@ +import os, serial, smtplib +from time import sleep +from sbhs_server.credentials import ADMIN_EMAIL +from sbhs_server.helpers import mailer + +MAX_PORTS = 256 +MIN_TEMP = 10 +MAX_TEMP = 70 + +def write_to_port(s, com, arg): + s.write(chr(int(com))) + sleep(0.5) + s.write(chr(int(arg))) + sleep(0.5) + +def read_from_port(s, com): + s.write(chr(int(com))) + sleep(0.5) + if com == 255: + result = ord(s.read(1)) + (0.1 * ord(s.read(1))) + elif com == 252: + result = ord(s.read(1)) + else: + result = -1 + sleep(0.5) + return result + +def create_message(check_mids, defective_ports): + msg = '' + if len(check_mids) != 0: + msg += 'Please check the following machine ids :\n' + for i,mid in enumerate(check_mids): + msg = msg + str(i) + '. ' + str(mid) + '\n' + if len(defective_ports) != 0: + msg = msg + '\nPlease check the following ports :\n' + for port in defective_ports: + msg = msg + str(port) + '\n' + return msg + +def main(): + present_online_mids, offline_mids, defective_ports = [], [], [] + for i in range(0,MAX_PORTS): + path = '/dev/ttyUSB' + str(i) + if os.path.exists(path): + try: + s = serial.Serial(port=path, baudrate=9600, bytesize=8, parity='N', stopbits=1, timeout=2) + if not s.is_open: + s.open() + assert s.is_open + mid = read_from_port(s, 252) # get machine id + assert mid > 0 + write_to_port(s, 253, 100) # set fan speed + write_to_port(s, 254, 0) # set heater value + current_temp = read_from_port(s, 255) # get current temperature + assert current_temp >= MIN_TEMP and current_temp <= MAX_TEMP + present_online_mids.append(mid) + except: + if s.is_open: + if mid > 0: + offline_mids.append(mid) + else: + defective_ports.append(path) + if s.is_open: + s.close() + check_mids = list(set(online_mids).difference(set(present_online_mids))) + msg = create_message(check_mids, defective_ports) + if len(msg) == 0: + msg = "Nothing out of order was detected on the server. :)" + #thread.start_new_thread(mailer.email, (ADMIN_EMAIL, "Health report of SBHS Server", msg)) + mailer.email(ADMIN_EMAIL, "Health report of SBHS Server", msg) + #print msg + +if __name__ == "__main__": + main() + + + + diff --git a/maintenance/migrations/__init__.py b/maintenance/migrations/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/maintenance/migrations/__init__.py diff --git a/maintenance/models.py b/maintenance/models.py new file mode 100644 index 0000000..1dfab76 --- /dev/null +++ b/maintenance/models.py @@ -0,0 +1,6 @@ +# -*- coding: utf-8 -*- +from __future__ import unicode_literals + +from django.db import models + +# Create your models here. diff --git a/maintenance/tests.py b/maintenance/tests.py new file mode 100644 index 0000000..5982e6b --- /dev/null +++ b/maintenance/tests.py @@ -0,0 +1,6 @@ +# -*- coding: utf-8 -*- +from __future__ import unicode_literals + +from django.test import TestCase + +# Create your tests here. diff --git a/maintenance/views.py b/maintenance/views.py new file mode 100644 index 0000000..e784a0b --- /dev/null +++ b/maintenance/views.py @@ -0,0 +1,6 @@ +# -*- coding: utf-8 -*- +from __future__ import unicode_literals + +from django.shortcuts import render + +# Create your views here. |