Commit f7b2e22d authored by grisel-davy's avatar grisel-davy

Templatisation du graphe

parent 736c676b
{% block graph_dot %}
digraph switchs {
node [
fontname=Helvetica
fontsize=8
shape=plaintext]
edge[arrowhead=odot,arrowtail=dot]
{% block subgraphs %}
{% for sub in subs %}
subgraph cluster_{{ sub.bat_id }} {
label="Batiment {{ sub.bat_name }}";
{% block switchs %}
{% for switch in sub.switchs %}
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">
{{ switch.name }}
</FONT></TD></TR>
<TR><TD ALIGN="LEFT" BORDER="0">
<FONT COLOR="#7B7B7B" >Modèle</FONT>
</TD>
<TD ALIGN="LEFT">
<FONT COLOR="#7B7B7B" >{{ switch.model }}</FONT>
</TD></TR>
<TR><TD ALIGN="LEFT" BORDER="0">
<FONT COLOR="#7B7B7B" >Nombre de ports</FONT>
</TD>
<TD ALIGN="LEFT">
<FONT>{{ switch.nombre }}</FONT>
</TD></TR>
<TR><TD ALIGN="LEFT" BORDER="0">
<FONT COLOR="#7B7B7B" >21</FONT>
</TD>
<TD ALIGN="LEFT">
<FONT>bata-2</FONT>
</TD></TR>
{% block liens %}
{% for port in switch.ports %}
<TR><TD ALIGN="LEFT" BORDER="0">
<FONT COLOR="#7B7B7B" >{{ port.numero }}</FONT>
</TD>
<TD ALIGN="LEFT">
<FONT>{{ 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="palegoldenrod" BORDER="0" CELLBORDER="0" CELLSPACING="0">
<TR><TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BGCOLOR="olivedrab4">
<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 %}
\ No newline at end of file
......@@ -43,6 +43,10 @@ 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
import pprint
from users.views import form
from re2o.utils import re2o_paginator, SortTable
......@@ -940,93 +944,78 @@ def make_machine_graph():
"""
Crée le fichier dot et l'image du graph des Switchs
"""
#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>
>]'''
dico={'subs':[],'links':[],'alone':[]}
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))
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]])
for building in Building.objects.all():#Parcour tous les batiments
dico['subs'].append({'bat_id':building.id,'bat_name':building,'switchs':[]})
for switch in Switch.objects.filter(switchbay__building=building):#Parcour tous les switchs de ce batiment
dico['subs'][-1]['switchs'].append({'name':switch.main_interface().domain.name,'nombre':switch.number,'model':switch.model,'id':switch.id,'batiment':building,'ports':[]})
for p in switch.ports.all().filter(related__isnull=False):#Parcour tout les ports liés de ce switch
dico['subs'][-1]['switchs'][-1]['ports'].append({'numero':p.port,'related':p.related.switch.main_interface().domain.name})
while(missing!=[]):#Tant que la liste des oubliés n'est pas vide i.e on les a pas tous passer
links,new_detected=recursive_switchs(missing[0].ports.all().filter(related=None).first(),None,[missing[0]])
for link in links:
dico['links'].append(link)
#on recrée la liste des oubliés et des detectés
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("}")
for switch in Switch.objects.all().filter(switchbay__isnull=True).exclude(ports__related__isnull=False):#Tous ceux qui ne sont ni connectés ni dans un batiment
dico['alone'].append({'id':switch.id,'name':switch.main_interface().domain.name})
dot_data=generate_image(dico)
fichier = open("media/images/switchs.dot","w")
for ligne in lignes:
fichier.write(ligne+"\n")
fichier.write(dot_data)
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)
def generate_image(data,template='topologie/graph_switch.dot'):
t = loader.get_template(template)
def recursive_switchs(port_start, switch_before, lignes,detected):
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(port_start, switch_before, 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)
links_return=[]#Liste de dictionaires qui stockes les nouveaux liens détéctés
l_ports=port_start.switch.ports.filter(related__isnull=False)#Liste des ports dont le related est non null
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)
if port.related.switch!=switch_before and port.related.switch!=port.switch:#Pas le switch dont on vient, pas le switch actuel
detected.append(port_start.switch)
detected.append(port.related.switch)
links={'depart':port_start.switch.id,'arrive':port.related.switch.id}
links_down, detected = recursive_switchs(port.related, port_start.switch, detected)
links_return.append(links)
for link in links_down:
if(link!=[]):
links_return.append(link)
return (links_return, detected)
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