views.py 16.3 KB
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# Re2o est un logiciel d'administration développé initiallement au rezometz. Il
# se veut agnostique au réseau considéré, de manière à être installable en
# quelques clics.
#
# Copyright © 2017  Gabriel Détraz
# Copyright © 2017  Goulven Kermarec
# Copyright © 2017  Augustin Lemesle
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

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from django.shortcuts import render, redirect
from django.contrib import messages
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from django.contrib.auth.decorators import login_required, permission_required
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from django.db import IntegrityError
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from django.db import transaction
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from django.db.models import ProtectedError
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from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
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from reversion import revisions as reversion
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from reversion.models import Version
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from topologie.models import Switch, Port, Room, Stack
from topologie.forms import EditPortForm, NewSwitchForm, EditSwitchForm, AddPortForm, EditRoomForm, StackForm
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from users.views import form
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from users.models import User
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from machines.forms import AliasForm, NewMachineForm, EditMachineForm, EditInterfaceForm, AddInterfaceForm
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from preferences.models import AssoOption, GeneralOption
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@login_required
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@permission_required('cableur')
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def index(request):
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    switch_list = Switch.objects.order_by('stack','stack_member_id','location').select_related('switch_interface__domain__extension').select_related('switch_interface__ipv4').select_related('switch_interface__domain')
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    return render(request, 'topologie/index.html', {'switch_list': switch_list})
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@login_required
@permission_required('cableur')
def history(request, object, id):
    if object == 'switch':
        try:
             object_instance = Switch.objects.get(pk=id)
        except Switch.DoesNotExist:
             messages.error(request, "Switch inexistant")
             return redirect("/topologie/")
    elif object == 'port':
        try:
             object_instance = Port.objects.get(pk=id)
        except Port.DoesNotExist:
             messages.error(request, "Port inexistant")
             return redirect("/topologie/") 
    elif object == 'room':  
        try:
             object_instance = Room.objects.get(pk=id)
        except Room.DoesNotExist:
             messages.error(request, "Chambre inexistante")
             return redirect("/topologie/")
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    elif object == 'stack':  
        try:
             object_instance = Stack.objects.get(pk=id)
        except Room.DoesNotExist:
             messages.error(request, "Stack inexistante")
             return redirect("/topologie/")
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    else:
        messages.error(request, "Objet  inconnu")
        return redirect("/topologie/")
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    options, created = GeneralOption.objects.get_or_create()
    pagination_number = options.pagination_number
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    reversions = Version.objects.get_for_object(object_instance)
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    paginator = Paginator(reversions, pagination_number)
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    page = request.GET.get('page')
    try:
        reversions = paginator.page(page)
    except PageNotAnInteger:
        # If page is not an integer, deliver first page.
        reversions = paginator.page(1)
    except EmptyPage:
        # If page is out of range (e.g. 9999), deliver last page of results.
        reversions = paginator.page(paginator.num_pages)
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    return render(request, 're2o/history.html', {'reversions': reversions, 'object': object_instance})

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@login_required
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@permission_required('cableur')
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def index_port(request, switch_id):
    try:
        switch = Switch.objects.get(pk=switch_id)
    except Switch.DoesNotExist:
        messages.error(request, u"Switch inexistant")
        return redirect("/topologie/")
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    port_list = Port.objects.filter(switch = switch).select_related('room').select_related('machine_interface__domain__extension').select_related('related').select_related('switch').order_by('port')
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    return render(request, 'topologie/index_p.html', {'port_list':port_list, 'id_switch':switch_id, 'nom_switch':switch})
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@login_required
@permission_required('cableur')
def index_room(request):
    room_list = Room.objects.order_by('name')
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    options, created = GeneralOption.objects.get_or_create()
    pagination_number = options.pagination_number
    paginator = Paginator(room_list, pagination_number)
    page = request.GET.get('page')
    try:
        room_list = paginator.page(page)
    except PageNotAnInteger:
        # If page is not an integer, deliver first page.
        room_list = paginator.page(1)
    except EmptyPage:
        # If page is out of range (e.g. 9999), deliver last page of results.
        room_list = paginator.page(paginator.num_pages)
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    return render(request, 'topologie/index_room.html', {'room_list': room_list})

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@login_required
@permission_required('infra')
def index_stack(request):
    stack_list = Stack.objects.order_by('name')
    return render(request, 'topologie/index_stack.html', {'stack_list': stack_list})


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@login_required
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@permission_required('infra')
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def new_port(request, switch_id):
    try:
        switch = Switch.objects.get(pk=switch_id)
    except Switch.DoesNotExist:
        messages.error(request, u"Switch inexistant")
        return redirect("/topologie/")
    port = AddPortForm(request.POST or None)
    if port.is_valid():
        port = port.save(commit=False)
        port.switch = switch
        try:
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            with transaction.atomic(), reversion.create_revision():
                port.save()
                reversion.set_user(request.user)
                reversion.set_comment("Création")
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            messages.success(request, "Port ajouté")
        except IntegrityError:
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            messages.error(request,"Ce port existe déjà" )
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        return redirect("/topologie/switch/" + switch_id)
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    return form({'topoform':port}, 'topologie/topo.html', request)
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@login_required
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@permission_required('infra')
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def edit_port(request, port_id):
    try:
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        port_object = Port.objects.select_related('switch__switch_interface__domain__extension').select_related('machine_interface__domain__extension').select_related('machine_interface__switch').select_related('room').select_related('related').get(pk=port_id)
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    except Port.DoesNotExist:
        messages.error(request, u"Port inexistant")
        return redirect("/topologie/")
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    port = EditPortForm(request.POST or None, instance=port_object)
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    if port.is_valid():
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        with transaction.atomic(), reversion.create_revision():
            port.save()
            reversion.set_user(request.user)
            reversion.set_comment("Champs modifié(s) : %s" % ', '.join(field for field in port.changed_data))
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        messages.success(request, "Le port a bien été modifié")
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        return redirect("/topologie/switch/" + str(port_object.switch.id))
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    return form({'topoform':port}, 'topologie/topo.html', request)
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@login_required
@permission_required('infra')
def new_stack(request):
    stack = StackForm(request.POST or None)
    #if stack.is_valid():
    if request.POST:
        try:
            with transaction.atomic(), reversion.create_revision():
                stack.save()
                reversion.set_user(request.user)
                reversion.set_comment("Création")
            messages.success(request, "Stack crée")
        except:
            messages.error(request, "Cette stack existe déjà")
    return form({'topoform':stack}, 'topologie/topo.html', request)


@login_required
@permission_required('infra')
def edit_stack(request,stack_id):
    try:
        stack = Stack.objects.get(pk=stack_id)
    except Stack.DoesNotExist:
        messages.error(request, u"Stack inexistante")
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        return redirect('/topologie/index_stack/')
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    stack = StackForm(request.POST or None, instance=stack)
    if stack.is_valid():
        with transaction.atomic(), reversion.create_revision():
            stack.save()
            reversion.set_user(request.user)
            reversion.set_comment("Champs modifié(s) : %s" % ', '.join(field for field in stack.changed_data))
        return redirect('/topologie/index_stack')
    return form({'topoform':stack}, 'topologie/topo.html', request)

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@login_required
@permission_required('infra')
def del_stack(request,stack_id):
    try:
        stack = Stack.objects.get(pk=stack_id)
    except Stack.DoesNotExist:
        messages.error(request, u"Stack inexistante")
        return redirect('/topologie/index_stack')
    if request.method == "POST":
        try:
            with transaction.atomic(), reversion.create_revision():
                stack.delete()
                reversion.set_user(request.user)
                reversion.set_comment("Destruction")
                messages.success(request, "La stack a eté détruite")
        except ProtectedError:
            messages.error(request, "La stack %s est affectée à un autre objet, impossible de la supprimer" % stack)
        return redirect('/topologie/index_stack')
    return form({'objet':stack}, 'topologie/delete.html', request)

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@login_required
@permission_required('infra')
def edit_switchs_stack(request,stack_id):
    try:
        stack = Stack.objects.get(pk=stack_id)
    except Stack.DoesNotExist:
        messages.error(request, u"Stack inexistante")
        return redirect('/topologie/index_stack')
    if request.method == "POST":
        pass
    else:
        context = {'stack': stack}
        context['switchs_stack'] = stack.switchs_set.all()
        context['switchs_autres'] = Switch.object.filter(stack=None)
        pass


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@login_required
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@permission_required('infra')
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def new_switch(request):
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    switch = NewSwitchForm(request.POST or None)
    machine = NewMachineForm(request.POST or None)
    interface = AddInterfaceForm(request.POST or None, infra=request.user.has_perms(('infra',)))
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    domain = AliasForm(request.POST or None, infra=request.user.has_perms(('infra',)))
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    if switch.is_valid() and machine.is_valid() and interface.is_valid():
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        options, created = AssoOption.objects.get_or_create()
        user = options.utilisateur_asso
        if not user:
            messages.error(request, "L'user association n'existe pas encore, veuillez le créer ou le linker dans preferences")
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            return redirect("/topologie/")
        new_machine = machine.save(commit=False)
        new_machine.user = user
        new_interface = interface.save(commit=False)
        new_switch = switch.save(commit=False)
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        new_domain = domain.save(commit=False)
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        with transaction.atomic(), reversion.create_revision():
            new_machine.save()
            reversion.set_user(request.user)
            reversion.set_comment("Création")
        new_interface.machine = new_machine
        with transaction.atomic(), reversion.create_revision():
            new_interface.save()
            reversion.set_user(request.user)
            reversion.set_comment("Création")
        new_domain.interface_parent = new_interface
        with transaction.atomic(), reversion.create_revision():
            new_domain.save()
            reversion.set_user(request.user)
            reversion.set_comment("Création")
        new_switch.switch_interface = new_interface
        with transaction.atomic(), reversion.create_revision():
            new_switch.save()
            reversion.set_user(request.user)
            reversion.set_comment("Création")
        messages.success(request, "Le switch a été crée")
        return redirect("/topologie/")
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    return form({'topoform':switch, 'machineform': machine, 'interfaceform': interface, 'domainform': domain}, 'topologie/switch.html', request)
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@login_required
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@permission_required('infra')
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def edit_switch(request, switch_id):
    try:
        switch = Switch.objects.get(pk=switch_id)
    except Switch.DoesNotExist:
        messages.error(request, u"Switch inexistant")
        return redirect("/topologie/")
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    switch_form = EditSwitchForm(request.POST or None, instance=switch)
    machine_form = EditMachineForm(request.POST or None, instance=switch.switch_interface.machine)
    interface_form = EditInterfaceForm(request.POST or None, instance=switch.switch_interface)
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    domain_form = AliasForm(request.POST or None, infra=request.user.has_perms(('infra',)), instance=switch.switch_interface.domain)
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    if switch_form.is_valid() and machine_form.is_valid() and interface_form.is_valid():
        new_interface = interface_form.save(commit=False)
        new_machine = machine_form.save(commit=False)
        new_switch = switch_form.save(commit=False)
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        new_domain = domain_form.save(commit=False)
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        with transaction.atomic(), reversion.create_revision():
            new_machine.save()
            reversion.set_user(request.user)
            reversion.set_comment("Champs modifié(s) : %s" % ', '.join(field for field in machine_form.changed_data))
        with transaction.atomic(), reversion.create_revision():
            new_interface.save()
            reversion.set_user(request.user)
            reversion.set_comment("Champs modifié(s) : %s" % ', '.join(field for field in interface_form.changed_data))
        with transaction.atomic(), reversion.create_revision():
            new_domain.save()
            reversion.set_user(request.user)
            reversion.set_comment("Champs modifié(s) : %s" % ', '.join(field for field in domain_form.changed_data))
        with transaction.atomic(), reversion.create_revision():
            new_switch.save()
            reversion.set_user(request.user)
            reversion.set_comment("Champs modifié(s) : %s" % ', '.join(field for field in switch_form.changed_data))
        messages.success(request, "Le switch a bien été modifié")
        return redirect("/topologie/")
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    return form({'topoform':switch_form, 'machineform': machine_form, 'interfaceform': interface_form, 'domainform': domain_form}, 'topologie/switch.html', request)
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@login_required
@permission_required('infra')
def new_room(request):
    room = EditRoomForm(request.POST or None)
    if room.is_valid():
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        with transaction.atomic(), reversion.create_revision():
            room.save()
            reversion.set_user(request.user)
            reversion.set_comment("Création")
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        messages.success(request, "La chambre a été créé")
        return redirect("/topologie/index_room/")
    return form({'topoform':room}, 'topologie/topo.html', request)

@login_required
@permission_required('infra')
def edit_room(request, room_id):
    try:
        room = Room.objects.get(pk=room_id)
    except Room.DoesNotExist:
        messages.error(request, u"Chambre inexistante")
        return redirect("/topologie/index_room/")
    room = EditRoomForm(request.POST or None, instance=room)
    if room.is_valid():
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        with transaction.atomic(), reversion.create_revision():
            room.save()
            reversion.set_user(request.user)
            reversion.set_comment("Champs modifié(s) : %s" % ', '.join(field for field in room.changed_data))
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        messages.success(request, "La chambre a bien été modifiée")
        return redirect("/topologie/index_room/")
    return form({'topoform':room}, 'topologie/topo.html', request)

@login_required
@permission_required('infra')
def del_room(request, room_id):
    try:
        room = Room.objects.get(pk=room_id)
    except Room.DoesNotExist:
        messages.error(request, u"Chambre inexistante" )
        return redirect("/topologie/index_room/")
    if request.method == "POST":
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        try:
            with transaction.atomic(), reversion.create_revision():
                room.delete()
                reversion.set_user(request.user)
                reversion.set_comment("Destruction")
                messages.success(request, "La chambre/prise a été détruite")
        except ProtectedError:
            messages.error(request, "La chambre %s est affectée à un autre objet, impossible de la supprimer (switch ou user)" % room)
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        return redirect("/topologie/index_room/")
    return form({'objet': room, 'objet_name': 'Chambre'}, 'topologie/delete.html', request)