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Merge branch 'graph_topo' into 'master'

Browse source 
branche de création de graph

See merge request federez/re2o!164
This commit is contained in:
chirac 2018-05-23 12:05:43 +02:00
commit d610ac6d93
6 changed files with 466 additions and 102 deletions
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21
machines/migrations/0081_auto_20180521_1413.py Normal file
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@ -0,0 +1,21 @@
# -*- coding: utf-8 -*-
# Generated by Django 1.10.7 on 2018-05-21 19:13
from __future__ import unicode_literals
from django.db import migrations, models
import django.db.models.deletion
class Migration(migrations.Migration):
dependencies = [
('machines', '0080_auto_20180502_2334'),
]
operations = [
migrations.AlterField(
model_name='extension',
name='soa',
field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='machines.SOA'),
),
]

25
topologie/migrations/0060_server.py Normal file
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@ -0,0 +1,25 @@
# -*- coding: utf-8 -*-
# Generated by Django 1.10.7 on 2018-05-21 19:13
from __future__ import unicode_literals
from django.db import migrations
class Migration(migrations.Migration):
dependencies = [
('machines', '0081_auto_20180521_1413'),
('topologie', '0059_auto_20180415_2249'),
]
operations = [
migrations.CreateModel(
name='Server',
fields=[
],
options={
'proxy': True,
},
bases=('machines.machine',),
),
]

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
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@ -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="Bâtiment {{ 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 %}

35
topologie/templates/topologie/index.html
View file

@ -29,18 +29,39 @@ 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% />
<script type="text/javascript" src="/static/js/jquery.ez-plus.js"></script>
<script>
$("#zoom_01").ezPlus({
scrollZoom: true,
zoomType: 'inner',
cursor: 'crosshair'
});
function toggle_graph() {
$("#collImg").collapse('toggle');
ezImg = $("#zoom_01").data("ezPlus");
if (ezImg) {
ezImg.destroy();
$("#zoom_01").removeData("ezPlus");
} else {
$("#zoom_01").ezPlus({
scrollZoom: true,
zoomType: 'inner',
cursor: 'crosshair'
});
}
}
</script>
<button class="btn btn-primary" type="button" onclick="toggle_graph()">
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" class="collapse" aria-expanded="false">
<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>
<h2>Switchs</h2>
{% can_create Switch %}
<a class="btn btn-primary btn-sm" role="button" href="{% url 'topologie:new-switch' %}"><i class="fa fa-plus"></i> Ajouter un switch</a>

242
topologie/views.py
View file

@ -43,6 +43,12 @@ from django.db import IntegrityError
from django.db.models import ProtectedError, Prefetch
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 tempfile
from users.views import form
from re2o.utils import re2o_paginator, SortTable
@ -53,13 +59,14 @@ from re2o.acl import (
can_view,
can_view_all,
)
from re2o.settings import MEDIA_ROOT
from machines.forms import (
DomainForm,
EditInterfaceForm,
AddInterfaceForm
)
from machines.views import generate_ipv4_mbf_param
from machines.models import Interface
from machines.models import Interface, Service_link
from preferences.models import AssoOption, GeneralOption
from .models import (
@ -71,7 +78,8 @@ from .models import (
ConstructorSwitch,
AccessPoint,
SwitchBay,
Building
Building,
Server,
)
from .forms import (
EditPortForm,
@ -89,7 +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
@ -112,6 +126,14 @@ def index(request):
)
pagination_number = GeneralOption.get_cached_value('pagination_number')
switch_list = re2o_paginator(request, switch_list, pagination_number)
if any(service_link.need_regen() for service_link in Service_link.objects.filter(service__service_type='graph_topo')):
make_machine_graph()
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',
@ -935,95 +957,133 @@ def del_constructor_switch(request, constructor_switch, **_kwargs):
def make_machine_graph():
"""
Crée le fichier dot et l'image du graph des Switchs
Create the graph of switchs, machines and access points.
"""
#Syntaxe DOT temporaire, A mettre dans un template:
lignes=['''digraph Switchs {
node [
fontname=Helvetica
fontsize=8
shape=plaintext]
edge[arrowhead=odot,arrowtail=dot]''']
node_fixe='''node [label=<
<TABLE BGCOLOR="palegoldenrod" BORDER="0" CELLBORDER="0" CELLSPACING="0">
<TR><TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BGCOLOR="olivedrab4">
<FONT FACE="Helvetica Bold" COLOR="white">
{}
</FONT></TD></TR>
<TR><TD ALIGN="LEFT" BORDER="0">
<FONT COLOR="#7B7B7B" >{}</FONT>
</TD>
<TD ALIGN="LEFT">
<FONT COLOR="#7B7B7B" >{}</FONT>
</TD></TR>
<TR><TD ALIGN="LEFT" BORDER="0">
<FONT COLOR="#7B7B7B" >{}</FONT>
</TD>
<TD ALIGN="LEFT">
<FONT>{}</FONT>
</TD></TR>'''
node_ports='''<TR><TD ALIGN="LEFT" BORDER="0">
<FONT COLOR="#7B7B7B" >{}</FONT>
</TD>
<TD ALIGN="LEFT">
<FONT>{}</FONT>
</TD></TR>'''
cluster='''subgraph cluster_{} {{
color=blue;
label="Batiment {}";'''
end_table='''</TABLE>
>] \"{}_{}\" ;'''
switch_alone='''{} [label=<
<TABLE BGCOLOR="palegoldenrod" BORDER="0" CELLBORDER="0" CELLSPACING="0">
<TR><TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BGCOLOR="olivedrab4">
<FONT FACE="Helvetica Bold" COLOR="white">
{}
</FONT></TD></TR>
</TABLE>
>]'''
missing=[]
detected=[]
for sw in Switch.objects.all():
if(sw not in detected):
missing.append(sw)
for building in Building.objects.all():
lignes.append(cluster.format(len(lignes),building))
dico = {
'subs': [],
'links' : [],
'alone': [],
'colors': {
'head': "#7f0505", # Color parameters for the graph
'back': "#b5adad",
'texte': "#563d01",
'border_bornes': "#02078e",
'head_bornes': "#25771c",
'head_server': "#1c3777"
}
}
missing = list(Switch.objects.all())
detected = []
for building in Building.objects.all(): # Visit all buildings
dico['subs'].append(
{
'bat_id': building.id,
'bat_name': building,
'switchs': [],
'bornes': [],
'machines': []
}
)
# Visit all switchs in this building
for switch in Switch.objects.filter(switchbay__building=building):
lignes.append(node_fixe.format(switch.main_interface().domain.name,"Modèle",switch.model,"Nombre de ports",switch.number))
for p in switch.ports.all().filter(related__isnull=False):
lignes.append(node_ports.format(p.port,p.related.switch.main_interface().domain.name))
lignes.append(end_table.format(building.id,switch.id))
lignes.append("}")
while(missing!=[]):
lignes,new_detected=recursive_switchs(missing[0].ports.all().filter(related=None).first(),None,lignes,[missing[0]])
missing=[i for i in missing if i not in new_detected]
detected+=new_detected
for switch in Switch.objects.all().filter(switchbay__isnull=True).exclude(ports__related__isnull=False):
lignes.append(switch_alone.format(switch.id,switch.main_interface().domain.name))
lignes.append("}")
fichier = open("media/images/switchs.dot","w")
for ligne in lignes:
fichier.write(ligne+"\n")
fichier.close()
unflatten = Popen(["unflatten","-l", "3", "media/images/switchs.dot"], stdout=PIPE)
image = Popen(["dot", "-Tpng", "-o", "media/images/switchs.png"], stdin=unflatten.stdout, stdout=PIPE)
dico['subs'][-1]['switchs'].append({
'name': switch.main_interface().domain.name,
'nombre': switch.number,
'model': switch.model,
'id': switch.id,
'batiment': building,
'ports': []
})
# 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,
'related': port.related.switch.main_interface().domain.name
})
for ap in AccessPoint.all_ap_in(building):
dico['subs'][-1]['bornes'].append({
'name': ap.short_name,
'switch': ap.switch()[0].main_interface().domain.name,
'port': ap.switch()[0].ports.filter(
machine_interface__machine=ap
)[0].port
})
for server in Server.all_server_in(building):
dico['subs'][-1]['machines'].append({
'name': server.short_name,
'switch': server.switch()[0].main_interface().domain.name,
'port': Port.objects.filter(machine_interface__machine=server)[0].port
})
# While the list of forgotten ones is not empty
while missing:
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
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
del missing[0]
# 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,
'name': switch.main_interface().domain.name
})
def recursive_switchs(port_start, switch_before, lignes,detected):
"""
Parcour récursivement le switchs auquel appartient port_start pour trouver les ports suivants liés
"""
l_ports=port_start.switch.ports.filter(related__isnull=False)
for port in l_ports:
if port.related.switch!=switch_before and port.related.switch!=port.switch:
links=[]
for sw in [switch for switch in [port_start.switch,port.related.switch]]:
if(sw not in detected):
detected.append(sw)
if(sw.switchbay.building):
links.append("\"{}_{}\"".format(sw.switchbay.building.id,sw.id))
else:
links.append("\"{}\"".format(sw.id))
lignes.append(links[0]+" -> "+links[1])
lignes, detected = recursive_switchs(port.related, port_start.switch, lignes, detected)
return (lignes, detected)
dot_data=generate_dot(dico,'topologie/graph_switch.dot') # generate the dot file
f = tempfile.NamedTemporaryFile(mode='w+', encoding='utf-8', delete=False) # Create a temporary file to store the dot data
with f:
f.write(dot_data)
unflatten = Popen( # unflatten the graph to make it look better
["unflatten","-l", "3", f.name],
stdout=PIPE
)
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):
"""create the dot file
:param data: dictionary passed to the template
:param template: path to the dot template
:return: all the lines of the dot file"""
t = loader.get_template(template)
if not isinstance(t, Template) and not (hasattr(t, 'template') and isinstance(t.template, Template)):
raise Exception("Le template par défaut de Django n'est pas utilisé."
"Cela peut mener à des erreurs de rendu."
"Vérifiez les paramètres")
c = Context(data).flatten()
dot = t.render(c)
return(dot)
def recursive_switchs(switch_start, switch_before, detected):
"""Visit the switch and travel to the switchs linked to it.
:param switch_start: the switch to begin the visit on
: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
'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 link:
links_return.append(link)
links_return.append(links) # Add current and below levels links
detected.append(switch_start) # This switch is considered detected
return (links_return, detected)