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Templatisation du graphe
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grisel-davy
parent
736c676bbe
commit
f7b2e22d3c
2 changed files with 141 additions and 73 deletions
79
topologie/templates/topologie/graph_switch.dot
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79
topologie/templates/topologie/graph_switch.dot
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@ -0,0 +1,79 @@
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{% block graph_dot %}
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digraph switchs {
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node [
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fontname=Helvetica
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fontsize=8
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shape=plaintext]
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edge[arrowhead=odot,arrowtail=dot]
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{% block subgraphs %}
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{% for sub in subs %}
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subgraph cluster_{{ sub.bat_id }} {
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label="Batiment {{ sub.bat_name }}";
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{% block switchs %}
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{% for switch in sub.switchs %}
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node [label=<
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<TABLE BGCOLOR="palegoldenrod" BORDER="0" CELLBORDER="0" CELLSPACING="0">
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<TR><TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BGCOLOR="olivedrab4">
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<FONT FACE="Helvetica Bold" COLOR="white">
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{{ switch.name }}
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</FONT></TD></TR>
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<TR><TD ALIGN="LEFT" BORDER="0">
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<FONT COLOR="#7B7B7B" >Modèle</FONT>
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</TD>
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<TD ALIGN="LEFT">
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<FONT COLOR="#7B7B7B" >{{ switch.model }}</FONT>
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</TD></TR>
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<TR><TD ALIGN="LEFT" BORDER="0">
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<FONT COLOR="#7B7B7B" >Nombre de ports</FONT>
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</TD>
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<TD ALIGN="LEFT">
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<FONT>{{ switch.nombre }}</FONT>
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</TD></TR>
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<TR><TD ALIGN="LEFT" BORDER="0">
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<FONT COLOR="#7B7B7B" >21</FONT>
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</TD>
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<TD ALIGN="LEFT">
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<FONT>bata-2</FONT>
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</TD></TR>
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{% block liens %}
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{% for port in switch.ports %}
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<TR><TD ALIGN="LEFT" BORDER="0">
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<FONT COLOR="#7B7B7B" >{{ port.numero }}</FONT>
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</TD>
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<TD ALIGN="LEFT">
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<FONT>{{ port.related }}</FONT>
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</TD></TR>
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{% endfor %}
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{% endblock %}
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</TABLE>
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>] {{ switch.id }} ;
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{% endfor %}
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{% endblock %}
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}
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{% endfor %}
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{% endblock %}
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{% block isoles %}
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{% for switchs in alone %}
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{{switchs.id}} [label=<
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<TABLE BGCOLOR="palegoldenrod" BORDER="0" CELLBORDER="0" CELLSPACING="0">
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<TR><TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BGCOLOR="olivedrab4">
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<FONT FACE="Helvetica Bold" COLOR="white">
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{{switchs.name}}
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</FONT></TD></TR>
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</TABLE>
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>]
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{% endfor %}
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{% endblock %}
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{% block links %}
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{% for link in links %}
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"{{ link.depart }}" -> "{{ link.arrive }}";
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{% endfor %}
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{% endblock %}
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}
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{% endblock %}
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@ -43,6 +43,10 @@ from django.db import IntegrityError
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from django.db.models import ProtectedError, Prefetch
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from django.core.exceptions import ValidationError
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from django.contrib.staticfiles.storage import staticfiles_storage
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from django.template.loader import get_template
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from django.template import Context, Template, loader
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import pprint
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from users.views import form
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from re2o.utils import re2o_paginator, SortTable
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@ -940,93 +944,78 @@ def make_machine_graph():
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"""
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Crée le fichier dot et l'image du graph des Switchs
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"""
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#Syntaxe DOT temporaire, A mettre dans un template:
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lignes=['''digraph Switchs {
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node [
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fontname=Helvetica
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fontsize=8
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shape=plaintext]
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edge[arrowhead=odot,arrowtail=dot]''']
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node_fixe='''node [label=<
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<TABLE BGCOLOR="palegoldenrod" BORDER="0" CELLBORDER="0" CELLSPACING="0">
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<TR><TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BGCOLOR="olivedrab4">
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<FONT FACE="Helvetica Bold" COLOR="white">
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{}
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</FONT></TD></TR>
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<TR><TD ALIGN="LEFT" BORDER="0">
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<FONT COLOR="#7B7B7B" >{}</FONT>
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</TD>
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<TD ALIGN="LEFT">
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<FONT COLOR="#7B7B7B" >{}</FONT>
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</TD></TR>
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<TR><TD ALIGN="LEFT" BORDER="0">
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<FONT COLOR="#7B7B7B" >{}</FONT>
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</TD>
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<TD ALIGN="LEFT">
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<FONT>{}</FONT>
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</TD></TR>'''
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node_ports='''<TR><TD ALIGN="LEFT" BORDER="0">
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<FONT COLOR="#7B7B7B" >{}</FONT>
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</TD>
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<TD ALIGN="LEFT">
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<FONT>{}</FONT>
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</TD></TR>'''
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cluster='''subgraph cluster_{} {{
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color=blue;
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label="Batiment {}";'''
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end_table='''</TABLE>
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>] \"{}_{}\" ;'''
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switch_alone='''{} [label=<
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<TABLE BGCOLOR="palegoldenrod" BORDER="0" CELLBORDER="0" CELLSPACING="0">
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<TR><TD COLSPAN="2" CELLPADDING="4" ALIGN="CENTER" BGCOLOR="olivedrab4">
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<FONT FACE="Helvetica Bold" COLOR="white">
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{}
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</FONT></TD></TR>
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</TABLE>
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>]'''
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dico={'subs':[],'links':[],'alone':[]}
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missing=[]
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detected=[]
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for sw in Switch.objects.all():
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if(sw not in detected):
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missing.append(sw)
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for building in Building.objects.all():
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lignes.append(cluster.format(len(lignes),building))
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for switch in Switch.objects.filter(switchbay__building=building):
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lignes.append(node_fixe.format(switch.main_interface().domain.name,"Modèle",switch.model,"Nombre de ports",switch.number))
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for p in switch.ports.all().filter(related__isnull=False):
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lignes.append(node_ports.format(p.port,p.related.switch.main_interface().domain.name))
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lignes.append(end_table.format(building.id,switch.id))
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lignes.append("}")
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while(missing!=[]):
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lignes,new_detected=recursive_switchs(missing[0].ports.all().filter(related=None).first(),None,lignes,[missing[0]])
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for building in Building.objects.all():#Parcour tous les batiments
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dico['subs'].append({'bat_id':building.id,'bat_name':building,'switchs':[]})
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for switch in Switch.objects.filter(switchbay__building=building):#Parcour tous les switchs de ce batiment
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dico['subs'][-1]['switchs'].append({'name':switch.main_interface().domain.name,'nombre':switch.number,'model':switch.model,'id':switch.id,'batiment':building,'ports':[]})
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for p in switch.ports.all().filter(related__isnull=False):#Parcour tout les ports liés de ce switch
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dico['subs'][-1]['switchs'][-1]['ports'].append({'numero':p.port,'related':p.related.switch.main_interface().domain.name})
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while(missing!=[]):#Tant que la liste des oubliés n'est pas vide i.e on les a pas tous passer
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links,new_detected=recursive_switchs(missing[0].ports.all().filter(related=None).first(),None,[missing[0]])
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for link in links:
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dico['links'].append(link)
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#on recrée la liste des oubliés et des detectés
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missing=[i for i in missing if i not in new_detected]
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detected+=new_detected
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for switch in Switch.objects.all().filter(switchbay__isnull=True).exclude(ports__related__isnull=False):
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lignes.append(switch_alone.format(switch.id,switch.main_interface().domain.name))
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lignes.append("}")
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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
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dico['alone'].append({'id':switch.id,'name':switch.main_interface().domain.name})
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dot_data=generate_image(dico)
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fichier = open("media/images/switchs.dot","w")
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for ligne in lignes:
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fichier.write(ligne+"\n")
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fichier.write(dot_data)
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fichier.close()
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unflatten = Popen(["unflatten","-l", "3", "media/images/switchs.dot"], stdout=PIPE)
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image = Popen(["dot", "-Tpng", "-o", "media/images/switchs.png"], stdin=unflatten.stdout, stdout=PIPE)
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def generate_image(data,template='topologie/graph_switch.dot'):
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def recursive_switchs(port_start, switch_before, lignes,detected):
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t = loader.get_template(template)
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if not isinstance(t, Template) and not (hasattr(t, 'template') and isinstance(t.template, Template)):
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raise Exception("Le template par défaut de Django n'est pas utilisé."
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"Cela peut mener à des erreurs de rendu."
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"Vérifiez les paramètres")
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c = Context(data).flatten()
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dot = t.render(c)
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return(dot)
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def recursive_switchs(port_start, switch_before, detected):
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"""
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Parcour récursivement le switchs auquel appartient port_start pour trouver les ports suivants liés
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"""
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l_ports=port_start.switch.ports.filter(related__isnull=False)
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links_return=[]#Liste de dictionaires qui stockes les nouveaux liens détéctés
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l_ports=port_start.switch.ports.filter(related__isnull=False)#Liste des ports dont le related est non null
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for port in l_ports:
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if port.related.switch!=switch_before and port.related.switch!=port.switch:
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links=[]
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for sw in [switch for switch in [port_start.switch,port.related.switch]]:
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if(sw not in detected):
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detected.append(sw)
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if(sw.switchbay.building):
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links.append("\"{}_{}\"".format(sw.switchbay.building.id,sw.id))
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else:
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links.append("\"{}\"".format(sw.id))
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lignes.append(links[0]+" -> "+links[1])
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lignes, detected = recursive_switchs(port.related, port_start.switch, lignes, detected)
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return (lignes, detected)
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if port.related.switch!=switch_before and port.related.switch!=port.switch:#Pas le switch dont on vient, pas le switch actuel
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detected.append(port_start.switch)
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detected.append(port.related.switch)
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links={'depart':port_start.switch.id,'arrive':port.related.switch.id}
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links_down, detected = recursive_switchs(port.related, port_start.switch, detected)
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links_return.append(links)
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for link in links_down:
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if(link!=[]):
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links_return.append(link)
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return (links_return, detected)
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