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Récupération de code

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grisel-davy 2018-05-21 21:13:44 +02:00
parent 7e3e27be90
commit d8f139c207
4 changed files with 287 additions and 29 deletions
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108
topologie/models.py
View file

@ -40,7 +40,8 @@ from __future__ import unicode_literals
import itertools
from django.db import models
from django.db.models.signals import post_save, post_delete
from django.db.models.signals import pre_save, post_save, post_delete
from django.utils.functional import cached_property
from django.dispatch import receiver
from django.core.exceptions import ValidationError
from django.db import IntegrityError
@ -50,6 +51,11 @@ from reversion import revisions as reversion
from machines.models import Machine, regen
from re2o.mixins import AclMixin, RevMixin
from os.path import isfile
from os import remove
class Stack(AclMixin, RevMixin, models.Model):
"""Un objet stack. Regrouppe des switchs en foreign key
@ -103,6 +109,70 @@ class AccessPoint(AclMixin, Machine):
("view_accesspoint", "Peut voir une borne"),
)
def port(self):
"""Return the queryset of ports for this device"""
return Port.objects.filter(
machine_interface__machine=self
)
def switch(self):
"""Return the switch where this is plugged"""
return Switch.objects.filter(
ports__machine_interface__machine=self
)
def building(self):
"""Return the building of the AP/Server (building of the switchs connected to...)"""
return Building.objects.filter(
switchbay__switch=self.switch()
)
@cached_property
def short_name(self):
return str(self.interface_set.first().domain.name)
@classmethod
def all_ap_in(cls, building_instance):
"""Get a building as argument, returns all ap of a building"""
return cls.objects.filter(interface__port__switch__switchbay__building=building_instance)
def __str__(self):
return str(self.interface_set.first())
class Server(Machine):
"""Dummy class, to retrieve servers of a building, or get switch of a server"""
class Meta:
proxy = True
def port(self):
"""Return the queryset of ports for this device"""
return Port.objects.filter(
machine_interface__machine=self
)
def switch(self):
"""Return the switch where this is plugged"""
return Switch.objects.filter(
ports__machine_interface__machine=self
)
def building(self):
"""Return the building of the AP/Server (building of the switchs connected to...)"""
return Building.objects.filter(
switchbay__switch=self.switch()
)
@cached_property
def short_name(self):
return str(self.interface_set.first().domain.name)
@classmethod
def all_server_in(cls, building_instance):
"""Get a building as argument, returns all server of a building"""
return cls.objects.filter(interface__port__switch__switchbay__building=building_instance).exclude(accesspoint__isnull=False)
def __str__(self):
return str(self.interface_set.first())
@ -422,15 +492,47 @@ class Room(AclMixin, RevMixin, models.Model):
def ap_post_save(**_kwargs):
"""Regeneration des noms des bornes vers le controleur"""
regen('unifi-ap-names')
regen("graph_topo")
@receiver(post_delete, sender=AccessPoint)
def ap_post_delete(**_kwargs):
"""Regeneration des noms des bornes vers le controleur"""
regen('unifi-ap-names')
regen("graph_topo")
@receiver(post_delete, sender=Stack)
def stack_post_delete(**_kwargs):
"""Vide les id des switches membres d'une stack supprimée"""
Switch.objects.filter(stack=None).update(stack_member_id=None)
@receiver(post_save, sender=Port)
def port_post_save(**_kwargs):
regen("graph_topo")
@receiver(post_delete, sender=Port)
def port_post_delete(**_kwargs):
regen("graph_topo")
@receiver(post_save, sender=ModelSwitch)
def modelswitch_post_save(**_kwargs):
regen("graph_topo")
@receiver(post_delete, sender=ModelSwitch)
def modelswitch_post_delete(**_kwargs):
regen("graph_topo")
@receiver(post_save, sender=Building)
def building_post_save(**_kwargs):
regen("graph_topo")
@receiver(post_delete, sender=Building)
def building_post_delete(**_kwargs):
regen("graph_topo")
@receiver(post_save, sender=Switch)
def switch_post_save(**_kwargs):
regen("graph_topo")
@receiver(post_delete, sender=Switch)
def switch_post_delete(**_kwargs):
regen("graph_topo")

135
topologie/templates/topologie/graph_switch.dot Normal file
View file

@ -0,0 +1,135 @@
{% block graph_dot %}
strict digraph {
graph [label="TOPOLOGIE DU RÉSEAU", labelloc=t, fontsize=40];
node [fontname=Helvetica fontsize=8 shape=plaintext];
edge[arrowhead=none];
{% block subgraphs %}
{% for sub in subs %}
subgraph cluster_{{ sub.bat_id }} {
fontsize=15;
label="Batiment {{ sub.bat_name }}";
{% if sub.bornes %}
{% block bornes %}
node [label=<
<TABLE BGCOLOR="{{ colors.back}}" BORDER="0" CELLBORDER="0" CELLSPACING="0">
<TR>
<TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BGCOLOR="{{ colors.head_bornes }}">
<FONT FACE="Helvetica Bold" COLOR="white">Borne</FONT></TD>
<TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BGCOLOR="{{ colors.head_bornes }}">
<FONT FACE="Helvetica Bold" COLOR="white">Switch</FONT></TD>
<TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BGCOLOR="{{ colors.head_bornes }}">
<FONT FACE="Helvetica Bold" COLOR="white">Port</FONT></TD>
</TR>
{% for borne in sub.bornes %}
<TR>
<TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BORDER="0">
<FONT COLOR="{{ colors.texte }}" >{{ borne.name }}</FONT>
</TD>
<TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BORDER="0">
<FONT COLOR="{{ colors.texte }}" >{{ borne.switch }}</FONT>
</TD>
<TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BORDER="0">
<FONT COLOR="{{ colors.texte }}" >{{ borne.port }}</FONT>
</TD>
</TR>
{% endfor %}
</TABLE>
>] {{sub.bat_name}}bornes;
{% endblock %}
{% endif %}
{% if sub.machines %}
{% block machines %}
node [label=<
<TABLE BGCOLOR="{{ colors.back}}" BORDER="0" CELLBORDER="0" CELLSPACING="0">
<TR>
<TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BGCOLOR="{{ colors.head_server }}">
<FONT FACE="Helvetica Bold" COLOR="white">Machine</FONT></TD>
<TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BGCOLOR="{{ colors.head_server }}">
<FONT FACE="Helvetica Bold" COLOR="white">Switch</FONT></TD>
<TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BGCOLOR="{{ colors.head_server }}">
<FONT FACE="Helvetica Bold" COLOR="white">Port</FONT></TD>
</TR>
{% for machine in sub.machines %}
<TR>
<TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BORDER="0">
<FONT COLOR="{{ colors.texte }}" >{{ machine.name }}</FONT>
</TD>
<TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BORDER="0">
<FONT COLOR="{{ colors.texte }}" >{{ machine.switch }}</FONT>
</TD>
<TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BORDER="0">
<FONT COLOR="{{ colors.texte }}" >{{ machine.port }}</FONT>
</TD>
</TR>
{% endfor %}
</TABLE>
>] {{sub.bat_name}}machines;
{% endblock %}
{% endif %}
{% block switchs %}
{% for switch in sub.switchs %}
node [label=<
<TABLE BGCOLOR="{{ colors.back }}" BORDER="0" CELLBORDER="0" CELLSPACING="0">
<TR><TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BGCOLOR="{{ colors.head }}">
<FONT FACE="Helvetica Bold" COLOR="white">
{{ switch.name }}
</FONT></TD></TR>
<TR><TD ALIGN="LEFT" BORDER="0">
<FONT COLOR="{{ colors.texte }}" >Modèle</FONT>
</TD>
<TD ALIGN="LEFT">
<FONT COLOR="{{ colors.texte }}" >{{ switch.model }}</FONT>
</TD></TR>
<TR><TD ALIGN="LEFT" BORDER="0">
<FONT COLOR="{{ colors.texte }}" >Taille</FONT>
</TD>
<TD ALIGN="LEFT">
<FONT COLOR="{{ colors.texte }}" >{{ switch.nombre }}</FONT>
</TD></TR>
{% block liens %}
{% for port in switch.ports %}
<TR><TD ALIGN="LEFT" BORDER="0">
<FONT COLOR="{{ colors.texte }}" >{{ port.numero }}</FONT>
</TD>
<TD ALIGN="LEFT">
<FONT COLOR="{{ colors.texte }}" >{{ port.related }}</FONT>
</TD></TR>
{% endfor %}
{% endblock %}
</TABLE>
>] "{{ switch.id }}" ;
{% endfor %}
{% endblock %}
}
{% endfor %}
{% endblock %}
{% block isoles %}
{% for switchs in alone %}
"{{switchs.id}}" [label=<
<TABLE BGCOLOR="{{ colors.back }}" BORDER="0" CELLBORDER="0" CELLSPACING="0">
<TR><TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BGCOLOR="{{ colors.head }}">
<FONT FACE="Helvetica Bold" COLOR="white">
{{switchs.name}}
</FONT></TD></TR>
</TABLE>
>]
{% endfor %}
{% endblock %}
{% block links %}
{% for link in links %}
"{{ link.depart }}" -> "{{ link.arrive }}";
{% endfor %}
{% endblock %}
}
{% endblock %}

13
topologie/templates/topologie/index.html
View file

@ -29,7 +29,18 @@ with this program; if not, write to the Free Software Foundation, Inc.,
{% block title %}Switchs{% endblock %}
{% block content %}
<img id="zoom_01" src="/media/images/switchs.png" data-zoom-image="/media/images/switchs.png" width=100% />
<button class="btn btn-primary" type="button" data-toggle="collapse" data-target="#collImg" aria-expanded="false" aria-controls="collapse">
Topologie des Switchs
</button>
<a target="_blank" href="/media/images/switchs.png" class="btn btn-primary">
<span class="fa fa-arrows-alt"></span>
</a>
<div id="collImg">
<img id="zoom_01" src="/media/images/switchs.png" href="/media/images/switchs.png" target="_blank" data-zoom-image="/media/images/switchs.png" width=100% />
</div>
<script type="text/javascript" src="/static/js/jquery.ez-plus.js"></script>

58
topologie/views.py
View file

@ -45,6 +45,8 @@ from django.core.exceptions import ValidationError
from django.contrib.staticfiles.storage import staticfiles_storage
from django.template.loader import get_template
from django.template import Context, Template, loader
from django.db.models.signals import post_save
from django.dispatch import receiver
import pprint
@ -95,7 +97,13 @@ from .forms import (
EditBuildingForm
)
from subprocess import Popen,PIPE
from subprocess import (
Popen,
PIPE
)
from os.path import isfile
from os import remove
@login_required
@ -124,6 +132,8 @@ def index(request):
for service_link in Service_link.objects.filter(service__service_type='graph_topo'):
service_link.done_regen()
if not isfile("/var/www/re2o/media/images/switchs.png"):
make_machine_graph()
return render(
request,
'topologie/index.html',
@ -954,7 +964,7 @@ def make_machine_graph():
'links' : [],
'alone': [],
'colors': {
'head': "#7f0505",#Color parameters for the graph
'head': "#7f0505", # Color parameters for the graph
'back': "#b5adad",
'texte': "#563d01",
'border_bornes': "#02078e",
@ -964,8 +974,8 @@ def make_machine_graph():
}
missing = list(Switch.objects.all())
detected = []
#Visit all buildings
for building in Building.objects.all():
for building in Building.objects.all(): # Visit all buildings
dico['subs'].append(
{
'bat_id': building.id,
@ -975,7 +985,7 @@ def make_machine_graph():
'machines': []
}
)
#Visit all switchs in this building
# Visit all switchs in this building
for switch in Switch.objects.filter(switchbay__building=building):
dico['subs'][-1]['switchs'].append({
'name': switch.main_interface().domain.name,
@ -985,7 +995,7 @@ def make_machine_graph():
'batiment': building,
'ports': []
})
#visit all ports of this switch and add the switchs linked to it
# visit all ports of this switch and add the switchs linked to it
for port in switch.ports.filter(related__isnull=False):
dico['subs'][-1]['switchs'][-1]['ports'].append({
'numero': port.port,
@ -1007,18 +1017,18 @@ def make_machine_graph():
'port': Port.objects.filter(machine_interface__machine=server)[0].port
})
#While the list of forgotten ones is not empty
# While the list of forgotten ones is not empty
while missing:
if missing[0].ports.count():#The switch is not empty
if missing[0].ports.count(): # The switch is not empty
links, new_detected = recursive_switchs(missing[0], None, [missing[0]])
for link in links:
dico['links'].append(link)
#Update the lists of missings and already detected switchs
# Update the lists of missings and already detected switchs
missing=[i for i in missing if i not in new_detected]
detected += new_detected
else:#If the switch have no ports, don't explore it and hop to the next one
else: # If the switch have no ports, don't explore it and hop to the next one
del missing[0]
#Switchs that are not connected or not in a building
# Switchs that are not connected or not in a building
for switch in Switch.objects.filter(switchbay__isnull=True).exclude(ports__related__isnull=False):
dico['alone'].append({
'id': switch.id,
@ -1026,21 +1036,21 @@ def make_machine_graph():
})
dot_data=generate_image(dico)#generate the dot file
dot_data=generate_dot(dico,'topologie/graph_switch.dot') # generate the dot file
fichier = open(MEDIA_ROOT + "/images/switchs.dot","w", encoding='utf-8')
fichier.write(dot_data)
fichier.close()
unflatten = Popen(#unflatten the graph to make it look better
unflatten = Popen( # unflatten the graph to make it look better
["unflatten","-l", "3", MEDIA_ROOT + "/images/switchs.dot"],
stdout=PIPE
)
image = Popen(#pipe the result of the first command into the second
image = Popen( # pipe the result of the first command into the second
["dot", "-Tpng", "-o", MEDIA_ROOT + "/images/switchs.png"],
stdin=unflatten.stdout,
stdout=PIPE
)
def generate_dot(data,template='topologie/graph_switch.dot'):
def generate_dot(data,template):
"""create the dot file
:param data: dictionary passed to the template
:param template: path to the dot template
@ -1060,19 +1070,19 @@ def recursive_switchs(switch_start, switch_before, detected):
:param switch_before: the switch that you come from. None if switch_start is the first one
:param detected: list of all switchs already visited. None if switch_start is the first one
:return: A list of all the links found and a list of all the switchs visited"""
links_return=[]#list of dictionaries of the links to be detected
for port in switch_start.ports.filter(related__isnull=False):#Ports that are related to another switch
if port.related.switch != switch_before and port.related.switch != port.switch:#Not the switch that we come from, not the current switch
links = {#Dictionary of a link
links_return=[] # list of dictionaries of the links to be detected
for port in switch_start.ports.filter(related__isnull=False): # Ports that are related to another switch
if port.related.switch != switch_before and port.related.switch != port.switch: # Not the switch that we come from, not the current switch
links = { # Dictionary of a link
'depart':switch_start.id,
'arrive':port.related.switch.id
}
if port.related.switch not in detected:#The switch at the end of this link has not been visited
links_down, detected = recursive_switchs(port.related.switch, switch_start, detected)#explore it and get the results
for link in links_down:#Add the non empty links to the current list
if port.related.switch not in detected: # The switch at the end of this link has not been visited
links_down, detected = recursive_switchs(port.related.switch, switch_start, detected) # explore it and get the results
for link in links_down: # Add the non empty links to the current list
if link:
links_return.append(link)
links_return.append(links)#Add current and below levels links
detected.append(switch_start)#This switch is considered detected
links_return.append(links) # Add current and below levels links
detected.append(switch_start) # This switch is considered detected
return (links_return, detected)