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Final commit pour la reconfiguration automatique centralisée des services

This commit is contained in:
Gabriel Detraz 2017-08-08 19:40:30 +02:00 committed by root
parent 8acc3fb8c9
commit 7e1e207b99
5 changed files with 82 additions and 5 deletions

View file

@ -0,0 +1,21 @@
# -*- coding: utf-8 -*-
# Generated by Django 1.10.7 on 2017-08-08 12:23
from __future__ import unicode_literals
import datetime
from django.db import migrations, models
class Migration(migrations.Migration):
dependencies = [
('machines', '0045_auto_20170808_0348'),
]
operations = [
migrations.AlterField(
model_name='service',
name='time_regen',
field=models.DurationField(default=datetime.timedelta(0, 60)),
),
]

View file

@ -31,9 +31,11 @@ from netaddr import mac_bare, EUI, IPSet, IPNetwork
from django.core.validators import MinValueValidator,MaxValueValidator
import re
from reversion import revisions as reversion
from datetime import timedelta
from re2o.settings import MAIN_EXTENSION
class Machine(models.Model):
""" Class définissant une machine, object parent user, objets fils interfaces"""
PRETTY_NAME = "Machine"
@ -273,15 +275,17 @@ class IpList(models.Model):
class Service(models.Model):
""" Definition d'un service (dhcp, dns, etc)"""
service_type = models.CharField(max_length=255, blank=True, unique=True)
time_regen = models.DurationField()
time_regen = models.DurationField(default=timedelta(minutes=1))
servers = models.ManyToManyField('Interface', through='Service_link')
def ask_regen(self):
for serv in Service_link.objects.filter(service=self):
""" Marque à True la demande de régénération pour un service x """
for serv in Service_link.objects.filter(service=self).exclude(asked_regen=True):
serv.asked_regen = True
serv.save()
def process_link(self, servers):
""" Django ne peut créer lui meme les relations manytomany avec table intermediaire explicite"""
for serv in servers.exclude(pk__in=Interface.objects.filter(service=self)):
link = Service_link(service=self, server=serv)
link.save()
@ -295,6 +299,12 @@ class Service(models.Model):
def __str__(self):
return str(self.service_type)
def regen(service):
""" Fonction externe pour régérération d'un service, prend un objet service en arg"""
obj, created = Service.objects.get_or_create(service_type=service)
obj.ask_regen()
return
class Service_link(models.Model):
""" Definition du lien entre serveurs et services"""
service = models.ForeignKey('Service', on_delete=models.CASCADE)
@ -302,9 +312,15 @@ class Service_link(models.Model):
last_regen = models.DateTimeField(auto_now_add=True)
asked_regen = models.BooleanField(default=False)
def done_regen(self):
""" Appellé lorsqu'un serveur a regénéré son service"""
self.last_regen = timezone.now()
self.asked_regen = False
self.save()
def need_regen(self):
if self.asked_regen and (self.last_regen + self.service.time_regen) > timezone.now():
""" Décide si le temps minimal écoulé est suffisant pour provoquer une régénération de service"""
if self.asked_regen and (self.last_regen + self.service.time_regen) < timezone.now():
return True
else:
return False
@ -316,6 +332,8 @@ class Service_link(models.Model):
def machine_post_save(sender, **kwargs):
user = kwargs['instance'].user
user.ldap_sync(base=False, access_refresh=False, mac_refresh=True)
regen('dhcp')
regen('dns')
@receiver(post_delete, sender=Machine)
def machine_post_delete(sender, **kwargs):
@ -328,6 +346,8 @@ def interface_post_save(sender, **kwargs):
interface = kwargs['instance']
user = interface.machine.user
user.ldap_sync(base=False, access_refresh=False, mac_refresh=True)
regen('dhcp')
regen('dns')
@receiver(post_delete, sender=Interface)
def interface_post_delete(sender, **kwargs):

View file

@ -23,7 +23,7 @@
#Augustin Lemesle
from rest_framework import serializers
from machines.models import Interface, IpType, Extension, IpList, MachineType, Domain, Mx, Ns
from machines.models import Interface, IpType, Extension, IpList, MachineType, Domain, Mx, Service_link, Ns
class IpTypeField(serializers.RelatedField):
def to_representation(self, value):
@ -118,3 +118,20 @@ class DomainSerializer(serializers.ModelSerializer):
def get_cname_name(self, obj):
return str(obj.cname)
class ServiceServersSerializer(serializers.ModelSerializer):
server = serializers.SerializerMethodField('get_server_name')
service = serializers.SerializerMethodField('get_service_name')
need_regen = serializers.SerializerMethodField('get_regen_status')
class Meta:
model = Service_link
fields = ('server', 'service', 'need_regen')
def get_server_name(self, obj):
return str(obj.server.domain.name)
def get_service_name(self, obj):
return str(obj.service)
def get_regen_status(self, obj):
return obj.need_regen()

View file

@ -68,10 +68,12 @@ urlpatterns = [
url(r'^$', views.index, name='index'),
url(r'^rest/mac-ip/$', views.mac_ip, name='mac-ip'),
url(r'^rest/login/$', views.login_user, name='login'),
url(r'^rest/regen-achieved/$', views.regen_achieved, name='regen-achieved'),
url(r'^rest/mac-ip-dns/$', views.mac_ip_dns, name='mac-ip-dns'),
url(r'^rest/alias/$', views.alias, name='alias'),
url(r'^rest/corresp/$', views.corresp, name='corresp'),
url(r'^rest/mx/$', views.mx, name='mx'),
url(r'^rest/ns/$', views.ns, name='ns'),
url(r'^rest/zones/$', views.zones, name='zones'),
url(r'^rest/service_servers/$', views.service_servers, name='service-servers'),
]

View file

@ -38,7 +38,7 @@ from django.contrib.auth import authenticate, login
from django.views.decorators.csrf import csrf_exempt
from rest_framework.renderers import JSONRenderer
from machines.serializers import InterfaceSerializer, TypeSerializer, DomainSerializer, MxSerializer, ExtensionSerializer, NsSerializer
from machines.serializers import InterfaceSerializer, TypeSerializer, DomainSerializer, MxSerializer, ExtensionSerializer, ServiceServersSerializer, NsSerializer
from reversion import revisions as reversion
from reversion.models import Version
@ -804,6 +804,23 @@ def mac_ip_dns(request):
seria = mac_ip_list(request)
return JSONResponse(seria)
@csrf_exempt
@login_required
@permission_required('serveur')
def service_servers(request):
service_link = Service_link.objects.all().select_related('server__domain').select_related('service')
seria = ServiceServersSerializer(service_link, many=True)
return JSONResponse(seria.data)
@csrf_exempt
@login_required
@permission_required('serveur')
def regen_achieved(request):
obj = Service_link.objects.filter(service__in=Service.objects.filter(service_type=request.POST['service']), server__in=Interface.objects.filter(domain=Domain.objects.filter(name=request.POST['server'])))
if obj:
obj[0].done_regen()
return HttpReponse("Ok")
@csrf_exempt
def login_user(request):
user = authenticate(username=request.POST['username'], password=request.POST['password'])