Beispiel #1
0
 def add_default_instances(self, user):
     existing_instances = UserInstance.objects.filter(user=user)
     if not existing_instances:
         for instance_name in self.default_instances:
             instance = Instance.objects.get(name=instance_name)
             user_instance = UserInstance(user=user, instance=instance)
             user_instance.save()
Beispiel #2
0
def add_default_instances(user):
    """
    Adds instances listed in NEW_USER_DEFAULT_INSTANCES to user
    """
    existing_instances = UserInstance.objects.filter(user=user)
    if not existing_instances:
        for instance_name in settings.NEW_USER_DEFAULT_INSTANCES:
            instance = Instance.objects.get(name=instance_name)
            user_instance = UserInstance(user=user, instance=instance)
            user_instance.save()
Beispiel #3
0
def account(request, user_id):
    """
    :param request:
    :return:
    """

    if not request.user.is_authenticated():
        return HttpResponseRedirect(reverse('index'))

    if not request.user.is_superuser:
        return HttpResponseRedirect(reverse('index'))

    error_messages = []
    user = User.objects.get(id=user_id)
    user_insts = UserInstance.objects.filter(user_id=user_id)
    instances = Instance.objects.all()

    if user.username == request.user.username:
        return HttpResponseRedirect(reverse('profile'))

    if request.method == 'POST':
        if 'delete' in request.POST:
            user_inst = request.POST.get('user_inst', '')
            del_user_inst = UserInstance.objects.get(id=user_inst)
            del_user_inst.delete()
            return HttpResponseRedirect(request.get_full_path())
        if 'permission' in request.POST:
            user_inst = request.POST.get('user_inst', '')
            inst_vnc = request.POST.get('inst_vnc', '')
            inst_change = request.POST.get('inst_change', '')
            inst_delete = request.POST.get('inst_delete', '')
            edit_user_inst = UserInstance.objects.get(id=user_inst)
            edit_user_inst.is_change = bool(inst_change)
            edit_user_inst.is_delete = bool(inst_delete)
            edit_user_inst.is_vnc = bool(inst_vnc)
            edit_user_inst.save()
            return HttpResponseRedirect(request.get_full_path())
        if 'add' in request.POST:
            inst_id = request.POST.get('inst_id', '')
            try:
                check_inst = UserInstance.objects.get(instance_id=int(inst_id))
                msg = _("Instance already added")
                error_messages.append(msg)
            except UserInstance.DoesNotExist:
                add_user_inst = UserInstance(instance_id=int(inst_id), user_id=user_id)
                add_user_inst.save()
                return HttpResponseRedirect(request.get_full_path())

    return render(request, 'account.html', locals())
Beispiel #4
0
def instance(request, compute_id, vname):
    """
    :param request:
    :return:
    """

    error_messages = []
    messages = []
    compute = get_object_or_404(Compute, pk=compute_id)
    computes = Compute.objects.all().order_by('name')
    computes_count = computes.count()
    users = User.objects.all().order_by('username')
    publickeys = UserSSHKey.objects.filter(user_id=request.user.id)
    keymaps = settings.QEMU_KEYMAPS
    console_types = settings.QEMU_CONSOLE_TYPES
    console_listen_addresses = settings.QEMU_CONSOLE_LISTEN_ADDRESSES
    try:
        userinstace = UserInstance.objects.get(instance__compute_id=compute_id,
                                               instance__name=vname,
                                               user__id=request.user.id)
    except UserInstance.DoesNotExist:
        userinstace = None

    if not request.user.is_superuser:
        if not userinstace:
            return HttpResponseRedirect(reverse('index'))

    def show_clone_disk(disks, vname=''):
        clone_disk = []
        for disk in disks:
            if disk['image'] is None:
                continue
            if disk['image'].count("-") and disk['image'].rsplit(
                    "-", 1)[0] == vname:
                name, suffix = disk['image'].rsplit("-", 1)
                image = name + "-clone" + "-" + suffix
            elif disk['image'].count(".") and len(disk['image'].rsplit(
                    ".", 1)[1]) <= 7:
                name, suffix = disk['image'].rsplit(".", 1)
                image = name + "-clone" + "." + suffix
            else:
                image = disk['image'] + "-clone"
            clone_disk.append({
                'dev': disk['dev'],
                'storage': disk['storage'],
                'image': image,
                'format': disk['format']
            })
        return clone_disk

    def filesizefstr(size_str):
        if size_str == '':
            return 0
        size_str = size_str.encode('ascii',
                                   'ignore').upper().translate(None, " B")
        if 'K' == size_str[-1]:
            return long(float(size_str[:-1])) << 10
        elif 'M' == size_str[-1]:
            return long(float(size_str[:-1])) << 20
        elif 'G' == size_str[-1]:
            return long(float(size_str[:-1])) << 30
        elif 'T' == size_str[-1]:
            return long(float(size_str[:-1])) << 40
        elif 'P' == size_str[-1]:
            return long(float(size_str[:-1])) << 50
        else:
            return long(float(size_str))

    def get_clone_free_names(size=10):
        prefix = settings.CLONE_INSTANCE_DEFAULT_PREFIX
        free_names = []
        existing_names = [
            i.name for i in Instance.objects.filter(name__startswith=prefix)
        ]
        index = 1
        while len(free_names) < size:
            new_name = prefix + str(index)
            if new_name not in existing_names:
                free_names.append(new_name)
            index += 1
        return free_names

    def check_user_quota(instance, cpu, memory, disk_size):
        user_instances = UserInstance.objects.filter(
            user_id=request.user.id, instance__is_template=False)
        instance += user_instances.count()
        for usr_inst in user_instances:
            if connection_manager.host_is_up(
                    usr_inst.instance.compute.type,
                    usr_inst.instance.compute.hostname):
                conn = wvmInstance(usr_inst.instance.compute,
                                   usr_inst.instance.compute.login,
                                   usr_inst.instance.compute.password,
                                   usr_inst.instance.compute.type,
                                   usr_inst.instance.name)
                cpu += int(conn.get_vcpu())
                memory += int(conn.get_memory())
                for disk in conn.get_disk_device():
                    if disk['size']:
                        disk_size += int(disk['size']) >> 30

        ua = request.user.userattributes
        msg = ""
        if ua.max_instances > 0 and instance > ua.max_instances:
            msg = "instance"
            if settings.QUOTA_DEBUG:
                msg += " (%s > %s)" % (instance, ua.max_instances)
        if ua.max_cpus > 0 and cpu > ua.max_cpus:
            msg = "cpu"
            if settings.QUOTA_DEBUG:
                msg += " (%s > %s)" % (cpu, ua.max_cpus)
        if ua.max_memory > 0 and memory > ua.max_memory:
            msg = "memory"
            if settings.QUOTA_DEBUG:
                msg += " (%s > %s)" % (memory, ua.max_memory)
        if ua.max_disk_size > 0 and disk_size > ua.max_disk_size:
            msg = "disk"
            if settings.QUOTA_DEBUG:
                msg += " (%s > %s)" % (disk_size, ua.max_disk_size)
        return msg

    def get_new_disk_dev(disks, bus):
        if bus == "virtio":
            dev_base = "vd"
        else:
            dev_base = "sd"
        existing_devs = [disk['dev'] for disk in disks]
        for l in string.lowercase:
            dev = dev_base + l
            if dev not in existing_devs:
                return dev
        raise Exception(_('None available device name'))

    try:
        conn = wvmInstance(compute.hostname, compute.login, compute.password,
                           compute.type, vname)

        status = conn.get_status()
        autostart = conn.get_autostart()
        vcpu = conn.get_vcpu()
        cur_vcpu = conn.get_cur_vcpu()
        uuid = conn.get_uuid()
        memory = conn.get_memory()
        cur_memory = conn.get_cur_memory()
        title = conn.get_title()
        description = conn.get_description()
        disks = conn.get_disk_device()
        media = conn.get_media_device()
        networks = conn.get_net_device()
        if len(media) != 0:
            media_iso = sorted(conn.get_iso_media())
        else:
            media_iso = []
        vcpu_range = conn.get_max_cpus()
        memory_range = [256, 512, 768, 1024, 2048, 4096, 6144, 8192, 16384]
        if memory not in memory_range:
            insort(memory_range, memory)
        if cur_memory not in memory_range:
            insort(memory_range, cur_memory)
        memory_host = conn.get_max_memory()
        vcpu_host = len(vcpu_range)
        telnet_port = conn.get_telnet_port()
        console_type = conn.get_console_type()
        console_port = conn.get_console_port()
        console_keymap = conn.get_console_keymap()
        snapshots = sorted(conn.get_snapshot(),
                           reverse=True,
                           key=lambda k: k['date'])
        inst_xml = conn._XMLDesc(VIR_DOMAIN_XML_SECURE)
        has_managed_save_image = conn.get_managed_save_image()
        clone_disks = show_clone_disk(disks, vname)
        console_passwd = conn.get_console_passwd()
        clone_free_names = get_clone_free_names()
        user_quota_msg = check_user_quota(0, 0, 0, 0)
        storages = sorted(conn.get_storages())
        cache_modes = sorted(conn.get_cache_modes().items())
        default_cache = settings.INSTANCE_VOLUME_DEFAULT_CACHE
        default_format = settings.INSTANCE_VOLUME_DEFAULT_FORMAT
        formats = conn.get_image_formats()
        busses = conn.get_busses()
        default_bus = settings.INSTANCE_VOLUME_DEFAULT_BUS
        show_access_root_password = settings.SHOW_ACCESS_ROOT_PASSWORD
        show_access_ssh_keys = settings.SHOW_ACCESS_SSH_KEYS

        try:
            instance = Instance.objects.get(compute_id=compute_id, name=vname)
            if instance.uuid != uuid:
                instance.uuid = uuid
                instance.save()
        except Instance.DoesNotExist:
            instance = Instance(compute_id=compute_id, name=vname, uuid=uuid)
            instance.save()

        userinstances = UserInstance.objects.filter(
            instance=instance).order_by('user__username')

        if request.method == 'POST':
            if 'poweron' in request.POST:
                conn.start()
                msg = _("Power On")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() +
                                            '#poweron')

            if 'powercycle' in request.POST:
                conn.force_shutdown()
                conn.start()
                msg = _("Power Cycle")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() +
                                            '#powercycle')

            if 'poweroff' in request.POST:
                conn.shutdown()
                msg = _("Power Off")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() +
                                            '#poweroff')

            if 'powerforce' in request.POST:
                conn.force_shutdown()
                msg = _("Force Off")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() +
                                            '#powerforce')

            if 'delete' in request.POST and (request.user.is_superuser
                                             or userinstace.is_delete):
                if conn.get_status() == 1:
                    conn.force_shutdown()
                if request.POST.get('delete_disk', ''):
                    for snap in snapshots:
                        conn.snapshot_delete(snap['name'])
                    conn.delete_disk()
                conn.delete()

                instance = Instance.objects.get(compute_id=compute_id,
                                                name=vname)
                instance_name = instance.name
                instance.delete()

                try:
                    del_userinstance = UserInstance.objects.filter(
                        instance__compute_id=compute_id, instance__name=vname)
                    del_userinstance.delete()
                except UserInstance.DoesNotExist:
                    pass

                msg = _("Destroy")
                addlogmsg(request.user.username, instance_name, msg)

                return HttpResponseRedirect(reverse('instances'))

            if 'rootpasswd' in request.POST:
                passwd = request.POST.get('passwd', '')
                passwd_hash = crypt.crypt(passwd, '$6$kgPoiREy')
                data = {
                    'action': 'password',
                    'passwd': passwd_hash,
                    'vname': vname
                }

                if conn.get_status() == 5:
                    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
                    s.connect((compute.hostname, 16510))
                    s.send(json.dumps(data))
                    result = json.loads(s.recv(1024))
                    s.close()
                    msg = _("Reset root password")
                    addlogmsg(request.user.username, instance.name, msg)

                    if result['return'] == 'success':
                        messages.append(msg)
                    else:
                        error_messages.append(msg)
                else:
                    msg = _(
                        "Please shutdow down your instance and then try again")
                    error_messages.append(msg)

            if 'addpublickey' in request.POST:
                sshkeyid = request.POST.get('sshkeyid', '')
                publickey = UserSSHKey.objects.get(id=sshkeyid)
                data = {
                    'action': 'publickey',
                    'key': publickey.keypublic,
                    'vname': vname
                }

                if conn.get_status() == 5:
                    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
                    s.connect((compute.hostname, 16510))
                    s.send(json.dumps(data))
                    result = json.loads(s.recv(1024))
                    s.close()
                    msg = _("Installed new ssh public key %s" %
                            publickey.keyname)
                    addlogmsg(request.user.username, instance.name, msg)

                    if result['return'] == 'success':
                        messages.append(msg)
                    else:
                        error_messages.append(msg)
                else:
                    msg = _(
                        "Please shutdow down your instance and then try again")
                    error_messages.append(msg)

            if 'resize' in request.POST and (request.user.is_superuser
                                             or request.user.is_staff
                                             or userinstace.is_change):
                new_vcpu = request.POST.get('vcpu', '')
                new_cur_vcpu = request.POST.get('cur_vcpu', '')
                new_memory = request.POST.get('memory', '')
                new_memory_custom = request.POST.get('memory_custom', '')
                if new_memory_custom:
                    new_memory = new_memory_custom
                new_cur_memory = request.POST.get('cur_memory', '')
                new_cur_memory_custom = request.POST.get(
                    'cur_memory_custom', '')
                if new_cur_memory_custom:
                    new_cur_memory = new_cur_memory_custom
                disks_new = []
                for disk in disks:
                    input_disk_size = filesizefstr(
                        request.POST.get('disk_size_' + disk['dev'], ''))
                    if input_disk_size > disk['size'] + (64 << 20):
                        disk['size_new'] = input_disk_size
                        disks_new.append(disk)
                disk_sum = sum([disk['size'] >> 30 for disk in disks_new])
                disk_new_sum = sum(
                    [disk['size_new'] >> 30 for disk in disks_new])
                quota_msg = check_user_quota(0,
                                             int(new_vcpu) - vcpu,
                                             int(new_memory) - memory,
                                             disk_new_sum - disk_sum)
                if not request.user.is_superuser and quota_msg:
                    msg = _("User %s quota reached, cannot resize '%s'!" %
                            (quota_msg, instance.name))
                    error_messages.append(msg)
                else:
                    cur_memory = new_cur_memory
                    memory = new_memory
                    cur_vcpu = new_cur_vcpu
                    vcpu = new_vcpu
                    conn.resize(cur_memory, memory, cur_vcpu, vcpu, disks_new)
                    msg = _("Resize")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() +
                                                '#resize')

            if 'addvolume' in request.POST and (request.user.is_superuser
                                                or userinstace.is_change):
                connCreate = wvmCreate(compute.hostname, compute.login,
                                       compute.password, compute.type)
                storage = request.POST.get('storage', '')
                name = request.POST.get('name', '')
                extension = request.POST.get('extension', '')
                format = request.POST.get('format', '')
                size = request.POST.get('size', 0)
                meta_prealloc = request.POST.get('meta_prealloc', False)
                bus = request.POST.get('bus', '')
                cache = request.POST.get('cache', '')
                target = get_new_disk_dev(disks, bus)

                path = connCreate.create_volume(storage, name, size, format,
                                                meta_prealloc, extension)
                conn.attach_disk(path,
                                 target,
                                 subdriver=format,
                                 cache=cache,
                                 targetbus=bus)
                msg = _('Attach new disk')
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() +
                                            '#resize')

            if 'umount_iso' in request.POST:
                image = request.POST.get('path', '')
                dev = request.POST.get('umount_iso', '')
                conn.umount_iso(dev, image)
                msg = _("Mount media")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() + '#media')

            if 'mount_iso' in request.POST:
                image = request.POST.get('media', '')
                dev = request.POST.get('mount_iso', '')
                conn.mount_iso(dev, image)
                msg = _("Umount media")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() + '#media')

            if 'snapshot' in request.POST:
                name = request.POST.get('name', '')
                conn.create_snapshot(name)
                msg = _("New snapshot")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() +
                                            '#restoresnapshot')

            if 'delete_snapshot' in request.POST:
                snap_name = request.POST.get('name', '')
                conn.snapshot_delete(snap_name)
                msg = _("Delete snapshot")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() +
                                            '#restoresnapshot')

            if 'revert_snapshot' in request.POST:
                snap_name = request.POST.get('name', '')
                conn.snapshot_revert(snap_name)
                msg = _("Successful revert snapshot: ")
                msg += snap_name
                messages.append(msg)
                msg = _("Revert snapshot")
                addlogmsg(request.user.username, instance.name, msg)

            if request.user.is_superuser:
                if 'suspend' in request.POST:
                    conn.suspend()
                    msg = _("Suspend")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() +
                                                '#resume')

                if 'resume' in request.POST:
                    conn.resume()
                    msg = _("Resume")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() +
                                                '#suspend')

                if 'set_autostart' in request.POST:
                    conn.set_autostart(1)
                    msg = _("Set autostart")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() +
                                                '#autostart')

                if 'unset_autostart' in request.POST:
                    conn.set_autostart(0)
                    msg = _("Unset autostart")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() +
                                                '#autostart')

                if 'change_xml' in request.POST:
                    exit_xml = request.POST.get('inst_xml', '')
                    if exit_xml:
                        conn._defineXML(exit_xml)
                        msg = _("Edit XML")
                        addlogmsg(request.user.username, instance.name, msg)
                        return HttpResponseRedirect(request.get_full_path() +
                                                    '#xmledit')

            if request.user.is_superuser or userinstace.is_vnc:
                if 'set_console_passwd' in request.POST:
                    if request.POST.get('auto_pass', ''):
                        passwd = randomPasswd()
                    else:
                        passwd = request.POST.get('console_passwd', '')
                        clear = request.POST.get('clear_pass', False)
                        if clear:
                            passwd = ''
                        if not passwd and not clear:
                            msg = _(
                                "Enter the console password or select Generate"
                            )
                            error_messages.append(msg)
                    if not error_messages:
                        if not conn.set_console_passwd(passwd):
                            msg = _(
                                "Error setting console password. You should check that your instance have an graphic device."
                            )
                            error_messages.append(msg)
                        else:
                            msg = _("Set VNC password")
                            addlogmsg(request.user.username, instance.name,
                                      msg)
                            return HttpResponseRedirect(
                                request.get_full_path() + '#vncsettings')

                if 'set_console_keymap' in request.POST:
                    keymap = request.POST.get('console_keymap', '')
                    clear = request.POST.get('clear_keymap', False)
                    if clear:
                        conn.set_console_keymap('')
                    else:
                        conn.set_console_keymap(keymap)
                    msg = _("Set VNC keymap")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() +
                                                '#vncsettings')

                if 'set_console_type' in request.POST:
                    console_type = request.POST.get('console_type', '')
                    conn.set_console_type(console_type)
                    msg = _("Set VNC type")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() +
                                                '#vncsettings')

                if 'set_console_listen_address' in request.POST:
                    console_type = request.POST.get('console_listen_address',
                                                    '')
                    conn.set_console_listen_addr(console_type)
                    msg = _("Set VNC listen address")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() +
                                                '#vncsettings')

            if request.user.is_superuser:
                if 'migrate' in request.POST:
                    compute_id = request.POST.get('compute_id', '')
                    live = request.POST.get('live_migrate', False)
                    unsafe = request.POST.get('unsafe_migrate', False)
                    xml_del = request.POST.get('xml_delete', False)
                    offline = request.POST.get('offline_migrate', False)
                    new_compute = Compute.objects.get(id=compute_id)
                    conn_migrate = wvmInstances(new_compute.hostname,
                                                new_compute.login,
                                                new_compute.password,
                                                new_compute.type)
                    conn_migrate.moveto(conn, vname, live, unsafe, xml_del,
                                        offline)
                    instance.compute = new_compute
                    instance.save()
                    conn_migrate.close()
                    if autostart:
                        conn_new = wvmInstance(new_compute.hostname,
                                               new_compute.login,
                                               new_compute.password,
                                               new_compute.type, vname)
                        conn_new.set_autostart(1)
                        conn_new.close()
                    msg = _("Migrate to %s" % new_compute.hostname)
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(
                        reverse('instance', args=[compute_id, vname]))

                if 'change_network' in request.POST:
                    network_data = {}

                    for post in request.POST:
                        if post.startswith('net-'):
                            network_data[post] = request.POST.get(post, '')

                    conn.change_network(network_data)
                    msg = _("Edit network")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() +
                                                '#network')

                if 'add_owner' in request.POST:
                    user_id = int(request.POST.get('user_id', ''))

                    if settings.ALLOW_INSTANCE_MULTIPLE_OWNER:
                        check_inst = UserInstance.objects.filter(
                            instance=instance, user_id=user_id)
                    else:
                        check_inst = UserInstance.objects.filter(
                            instance=instance)

                    if check_inst:
                        msg = _("Owner already added")
                        error_messages.append(msg)
                    else:
                        add_user_inst = UserInstance(instance=instance,
                                                     user_id=user_id)
                        add_user_inst.save()
                        msg = _("Added owner %d" % user_id)
                        addlogmsg(request.user.username, instance.name, msg)
                        return HttpResponseRedirect(request.get_full_path() +
                                                    '#users')

                if 'del_owner' in request.POST:
                    userinstance_id = int(request.POST.get('userinstance', ''))
                    userinstance = UserInstance.objects.get(pk=userinstance_id)
                    userinstance.delete()
                    msg = _("Deleted owner %d" % userinstance_id)
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() +
                                                '#users')

            if request.user.is_superuser or request.user.userattributes.can_clone_instances:
                if 'clone' in request.POST:
                    clone_data = {}
                    clone_data['name'] = request.POST.get('name', '')

                    disk_sum = sum([disk['size'] >> 30 for disk in disks])
                    quota_msg = check_user_quota(1, vcpu, memory, disk_sum)
                    check_instance = Instance.objects.filter(
                        name=clone_data['name'])

                    for post in request.POST:
                        clone_data[post] = request.POST.get(post, '').strip()

                    if not request.user.is_superuser and quota_msg:
                        msg = _("User %s quota reached, cannot create '%s'!" %
                                (quota_msg, clone_data['name']))
                        error_messages.append(msg)
                    elif check_instance:
                        msg = _("Instance '%s' already exists!" %
                                clone_data['name'])
                        error_messages.append(msg)
                    elif not re.match(r'^[a-zA-Z0-9-]+$', clone_data['name']):
                        msg = _(
                            "Instance name '%s' contains invalid characters!" %
                            clone_data['name'])
                        error_messages.append(msg)
                    elif not re.match(r'^([0-9A-F]{2})(\:?[0-9A-F]{2}){5}$',
                                      clone_data['clone-net-mac-0'],
                                      re.IGNORECASE):
                        msg = _("Instance mac '%s' invalid format!" %
                                clone_data['clone-net-mac-0'])
                        error_messages.append(msg)
                    else:
                        new_uuid = conn.clone_instance(clone_data)
                        new_instance = Instance(compute_id=compute_id,
                                                name=clone_data['name'],
                                                uuid=new_uuid)
                        new_instance.save()
                        userinstance = UserInstance(
                            instance_id=new_instance.id,
                            user_id=request.user.id,
                            is_delete=True)
                        userinstance.save()

                        msg = _("Clone of '%s'" % instance.name)
                        addlogmsg(request.user.username, new_instance.name,
                                  msg)
                        return HttpResponseRedirect(
                            reverse('instance',
                                    args=[compute_id, clone_data['name']]))

                if 'change_options' in request.POST:
                    instance.is_template = request.POST.get(
                        'is_template', False)
                    instance.save()

                    options = {}
                    for post in request.POST:
                        if post in ['title', 'description']:
                            options[post] = request.POST.get(post, '')
                    conn.set_options(options)

                    msg = _("Edit options")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() +
                                                '#options')

        conn.close()

    except libvirtError as lib_err:
        error_messages.append(lib_err.message)
        addlogmsg(request.user.username, vname, lib_err.message)

    return render(request, 'instance.html', locals())
Beispiel #5
0
def instance(request, compute_id, vname):
    """
    :param request:
    :return:
    """

    error_messages = []
    messages = []
    compute = get_object_or_404(Compute, pk=compute_id)
    computes = Compute.objects.all()
    computes_count = len(computes)
    publickeys = UserSSHKey.objects.filter(user_id=request.user.id)
    keymaps = QEMU_KEYMAPS
    console_types = QEMU_CONSOLE_TYPES
    try:
        userinstace = UserInstance.objects.get(instance__compute_id=compute_id,
                                               instance__name=vname,
                                               user__id=request.user.id)
    except UserInstance.DoesNotExist:
        userinstace = None

    if not request.user.is_superuser:
        if not userinstace:
            return HttpResponseRedirect(reverse('index'))

    def show_clone_disk(disks, vname=''):
        clone_disk = []
        for disk in disks:
            if disk['image'] is None:
                continue
            if disk['image'].count("-") and disk['image'].rsplit("-", 1)[0] == vname:
                name, suffix = disk['image'].rsplit("-", 1)
                image = name + "-clone" + "-" + suffix
            elif disk['image'].count(".") and len(disk['image'].rsplit(".", 1)[1]) <= 7:
                name, suffix = disk['image'].rsplit(".", 1)
                image = name + "-clone" + "." + suffix
            else:
                image = disk['image'] + "-clone"
            clone_disk.append(
                {'dev': disk['dev'], 'storage': disk['storage'],
                 'image': image, 'format': disk['format']})
        return clone_disk
    
    def filesizefstr(size_str):
        if size_str == '':
            return 0
        size_str = size_str.encode('ascii', 'ignore').upper().translate(None, " B")
        if 'K' == size_str[-1]:
            return long(float(size_str[:-1]))<<10
        elif 'M' == size_str[-1]:
            return long(float(size_str[:-1]))<<20
        elif 'G' == size_str[-1]:
            return long(float(size_str[:-1]))<<30
        elif 'T' == size_str[-1]:
            return long(float(size_str[:-1]))<<40
        elif 'P' == size_str[-1]:
            return long(float(size_str[:-1]))<<50
        else:
            return long(float(size_str))

    def get_clone_free_names(size=10):
        prefix = settings.CLONE_INSTANCE_DEFAULT_PREFIX
        free_names = []
        existing_names = [i.name for i in Instance.objects.filter(name__startswith=prefix)]
        index = 1
        while len(free_names) < size:
            new_name = prefix + str(index)
            if new_name not in existing_names:
                free_names.append(new_name)
            index += 1
        return free_names

    def check_user_quota(instance, cpu, memory, disk_size):
        user_instances = UserInstance.objects.filter(user_id=request.user.id, instance__is_template=False)
        instance += len(user_instances)
        for usr_inst in user_instances:
            if connection_manager.host_is_up(usr_inst.instance.compute.type,
                                             usr_inst.instance.compute.hostname):
                conn = wvmInstance(usr_inst.instance.compute,
                                      usr_inst.instance.compute.login,
                                      usr_inst.instance.compute.password,
                                      usr_inst.instance.compute.type,
                                      usr_inst.instance.name)
                cpu += int(conn.get_vcpu())
                memory += int(conn.get_memory())
                for disk in conn.get_disk_device():
                    disk_size += int(disk['size'])>>30
        
        ua = request.user.userattributes
        msg = ""
        if ua.max_instances > 0 and instance > ua.max_instances:
            msg = "instance"
            if settings.QUOTA_DEBUG:
                msg += " (%s > %s)" % (instance, ua.max_instances)
        if ua.max_cpus > 0 and cpu > ua.max_cpus:
            msg = "cpu"
            if settings.QUOTA_DEBUG:
                msg += " (%s > %s)" % (cpu, ua.max_cpus)
        if ua.max_memory > 0 and memory > ua.max_memory:
            msg = "memory"
            if settings.QUOTA_DEBUG:
                msg += " (%s > %s)" % (memory, ua.max_memory)
        if ua.max_disk_size > 0 and disk_size > ua.max_disk_size:
            msg = "disk"
            if settings.QUOTA_DEBUG:
                msg += " (%s > %s)" % (disk_size, ua.max_disk_size)
        return msg

    try:
        conn = wvmInstance(compute.hostname,
                           compute.login,
                           compute.password,
                           compute.type,
                           vname)

        status = conn.get_status()
        autostart = conn.get_autostart()
        vcpu = conn.get_vcpu()
        cur_vcpu = conn.get_cur_vcpu()
        uuid = conn.get_uuid()
        memory = conn.get_memory()
        cur_memory = conn.get_cur_memory()
        title = conn.get_title()
        description = conn.get_description()
        disks = conn.get_disk_device()
        media = conn.get_media_device()
        networks = conn.get_net_device()
        media_iso = sorted(conn.get_iso_media())
        vcpu_range = conn.get_max_cpus()
        memory_range = [256, 512, 768, 1024, 2048, 4096, 6144, 8192, 16384]
        if memory not in memory_range:
            insort(memory_range, memory)
        if cur_memory not in memory_range:
            insort(memory_range, cur_memory)
        memory_host = conn.get_max_memory()
        vcpu_host = len(vcpu_range)
        telnet_port = conn.get_telnet_port()
        console_type = conn.get_console_type()
        console_port = conn.get_console_port()
        console_keymap = conn.get_console_keymap()
        snapshots = sorted(conn.get_snapshot(), reverse=True)
        inst_xml = conn._XMLDesc(VIR_DOMAIN_XML_SECURE)
        has_managed_save_image = conn.get_managed_save_image()
        clone_disks = show_clone_disk(disks, vname)
        console_passwd = conn.get_console_passwd()
        clone_free_names = get_clone_free_names()
        user_quota_msg = check_user_quota(0, 0, 0, 0)

        try:
            instance = Instance.objects.get(compute_id=compute_id, name=vname)
            if instance.uuid != uuid:
                instance.uuid = uuid
                instance.save()
        except Instance.DoesNotExist:
            instance = Instance(compute_id=compute_id, name=vname, uuid=uuid)
            instance.save()

        if request.method == 'POST':
            if 'poweron' in request.POST:
                conn.start()
                msg = _("Power On")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() + '#poweron')

            if 'powercycle' in request.POST:
                conn.force_shutdown()
                conn.start()
                msg = _("Power Cycle")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() + '#powercycle')

            if 'poweroff' in request.POST:
                conn.shutdown()
                msg = _("Power Off")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() + '#poweroff')

            if 'powerforce' in request.POST:
                conn.force_shutdown()
                msg = _("Force Off")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() + '#powerforce')

            if 'delete' in request.POST:
                if conn.get_status() == 1:
                    conn.force_shutdown()
                if request.POST.get('delete_disk', ''):
                    conn.delete_disk()
                conn.delete()

                instance = Instance.objects.get(compute_id=compute_id, name=vname)
                instance_name = instance.name
                instance.delete()

                try:
                    del_userinstance = UserInstance.objects.filter(instance__compute_id=compute_id, instance__name=vname)
                    del_userinstance.delete()
                except UserInstance.DoesNotExist:
                    pass

                msg = _("Destroy")
                addlogmsg(request.user.username, instance_name, msg)

                return HttpResponseRedirect(reverse('instances'))

            if 'rootpasswd' in request.POST:
                passwd = request.POST.get('passwd', '')
                passwd_hash = crypt.crypt(passwd, '$6$kgPoiREy')
                data = {'action': 'password', 'passwd': passwd_hash, 'vname': vname}

                if conn.get_status() == 5:
                    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
                    s.connect((compute.hostname, 16510))
                    s.send(json.dumps(data))
                    result = json.loads(s.recv(1024))
                    s.close()
                    msg = _("Reset root password")
                    addlogmsg(request.user.username, instance.name, msg)

                    if result['return'] == 'success':
                        messages.append(msg)
                    else:
                        error_messages.append(msg)
                else:
                    msg = _("Please shutdow down your instance and then try again")
                    error_messages.append(msg)

            if 'addpublickey' in request.POST:
                sshkeyid = request.POST.get('sshkeyid', '')
                publickey = UserSSHKey.objects.get(id=sshkeyid)
                data = {'action': 'publickey', 'key': publickey.keypublic, 'vname': vname}

                if conn.get_status() == 5:
                    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
                    s.connect((compute.hostname, 16510))
                    s.send(json.dumps(data))
                    result = json.loads(s.recv(1024))
                    s.close()
                    msg = _("Installed new ssh public key %s" % publickey.keyname)
                    addlogmsg(request.user.username, instance.name, msg)

                    if result['return'] == 'success':
                        messages.append(msg)
                    else:
                        error_messages.append(msg)
                else:
                    msg = _("Please shutdow down your instance and then try again")
                    error_messages.append(msg)

            if 'resize' in request.POST:
                new_vcpu = request.POST.get('vcpu', '')
                new_cur_vcpu = request.POST.get('cur_vcpu', '')
                new_memory = request.POST.get('memory', '')
                new_memory_custom = request.POST.get('memory_custom', '')
                if new_memory_custom:
                    new_memory = new_memory_custom
                new_cur_memory = request.POST.get('cur_memory', '')
                new_cur_memory_custom = request.POST.get('cur_memory_custom', '')
                if new_cur_memory_custom:
                    new_cur_memory = new_cur_memory_custom
                disks_new = []
                for disk in disks:
                    input_disk_size = filesizefstr(request.POST.get('disk_size_' + disk['dev'], ''))
                    if input_disk_size > disk['size']+(64<<20):
                        disk['size_new'] = input_disk_size
                        disks_new.append(disk) 
                disk_sum = sum([disk['size']>>30 for disk in disks_new])
                disk_new_sum = sum([disk['size_new']>>30 for disk in disks_new])
                quota_msg = check_user_quota(0, int(new_vcpu)-vcpu, int(new_memory)-memory, disk_new_sum-disk_sum)
                if not request.user.is_superuser and quota_msg:    
                    msg = _("User %s quota reached, cannot resize '%s'!" % (quota_msg, instance.name))
                    error_messages.append(msg)
                else:
                    cur_memory = new_cur_memory
                    memory = new_memory
                    cur_vcpu = new_cur_vcpu
                    vcpu = new_vcpu
                    conn.resize(cur_memory, memory, cur_vcpu, vcpu, disks_new)
                    msg = _("Resize")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#resize')

            if 'umount_iso' in request.POST:
                image = request.POST.get('path', '')
                dev = request.POST.get('umount_iso', '')
                conn.umount_iso(dev, image)
                msg = _("Mount media")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() + '#media')

            if 'mount_iso' in request.POST:
                image = request.POST.get('media', '')
                dev = request.POST.get('mount_iso', '')
                conn.mount_iso(dev, image)
                msg = _("Umount media")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() + '#media')

            if 'snapshot' in request.POST:
                name = request.POST.get('name', '')
                conn.create_snapshot(name)
                msg = _("New snapshot")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() + '#restoresnapshot')

            if 'delete_snapshot' in request.POST:
                snap_name = request.POST.get('name', '')
                conn.snapshot_delete(snap_name)
                msg = _("Delete snapshot")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() + '#restoresnapshot')

            if 'revert_snapshot' in request.POST:
                snap_name = request.POST.get('name', '')
                conn.snapshot_revert(snap_name)
                msg = _("Successful revert snapshot: ")
                msg += snap_name
                messages.append(msg)
                msg = _("Revert snapshot")
                addlogmsg(request.user.username, instance.name, msg)

            if request.user.is_superuser:
                if 'suspend' in request.POST:
                    conn.suspend()
                    msg = _("Suspend")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#resume')

                if 'resume' in request.POST:
                    conn.resume()
                    msg = _("Resume")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#suspend')

                if 'set_autostart' in request.POST:
                    conn.set_autostart(1)
                    msg = _("Set autostart")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#autostart')

                if 'unset_autostart' in request.POST:
                    conn.set_autostart(0)
                    msg = _("Unset autostart")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#autostart')

                if 'change_xml' in request.POST:
                    exit_xml = request.POST.get('inst_xml', '')
                    if exit_xml:
                        conn._defineXML(exit_xml)
                        msg = _("Edit XML")
                        addlogmsg(request.user.username, instance.name, msg)
                        return HttpResponseRedirect(request.get_full_path() + '#xmledit')

                if 'set_console_passwd' in request.POST:
                    if request.POST.get('auto_pass', ''):
                        passwd = ''.join([choice(letters + digits) for i in xrange(12)])
                    else:
                        passwd = request.POST.get('console_passwd', '')
                        clear = request.POST.get('clear_pass', False)
                        if clear:
                            passwd = ''
                        if not passwd and not clear:
                            msg = _("Enter the console password or select Generate")
                            error_messages.append(msg)
                    if not error_messages:
                        if not conn.set_console_passwd(passwd):
                            msg = _("Error setting console password. You should check that your instance have an graphic device.")
                            error_messages.append(msg)
                        else:
                            msg = _("Set VNC password")
                            addlogmsg(request.user.username, instance.name, msg)
                            return HttpResponseRedirect(request.get_full_path() + '#vncsettings')

                if 'set_console_keymap' in request.POST:
                    keymap = request.POST.get('console_keymap', '')
                    clear = request.POST.get('clear_keymap', False)
                    if clear:
                        conn.set_console_keymap('')
                    else:
                        conn.set_console_keymap(keymap)
                    msg = _("Set VNC keymap")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#vncsettings')

                if 'set_console_type' in request.POST:
                    console_type = request.POST.get('console_type', '')
                    conn.set_console_type(console_type)
                    msg = _("Set VNC type")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#vncsettings')

                if 'migrate' in request.POST:
                    compute_id = request.POST.get('compute_id', '')
                    live = request.POST.get('live_migrate', False)
                    unsafe = request.POST.get('unsafe_migrate', False)
                    xml_del = request.POST.get('xml_delete', False)
                    new_compute = Compute.objects.get(id=compute_id)
                    conn_migrate = wvmInstances(new_compute.hostname,
                                                new_compute.login,
                                                new_compute.password,
                                                new_compute.type)
                    conn_migrate.moveto(conn, vname, live, unsafe, xml_del)
                    conn_migrate.define_move(vname)
                    conn_migrate.close()
                    msg = _("Migrate")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(reverse('instance', args=[compute_id, vname]))

                if 'change_network' in request.POST:
                    network_data = {}

                    for post in request.POST:
                        if post.startswith('net-'):
                            network_data[post] = request.POST.get(post, '')

                    conn.change_network(network_data)
                    msg = _("Edit network")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#network')

                if 'change_options' in request.POST:
                    instance.is_template = request.POST.get('is_template', False)
                    instance.save()
                    
                    options = {}
                    for post in request.POST:
                        if post in ['title', 'description']:
                            options[post] = request.POST.get(post, '')
                    conn.set_options(options)
                    
                    msg = _("Edit options")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#options')

            if request.user.is_superuser or request.user.userattributes.can_clone_instances:
                if 'clone' in request.POST:
                    clone_data = {}
                    clone_data['name'] = request.POST.get('name', '')

                    disk_sum = sum([disk['size']>>30 for disk in disks])
                    quota_msg = check_user_quota(1, vcpu, memory, disk_sum)
                    check_instance = Instance.objects.filter(name=clone_data['name'])
                    
                    if not request.user.is_superuser and quota_msg:    
                        msg = _("User %s quota reached, cannot create '%s'!" % (quota_msg, clone_data['name']))
                        error_messages.append(msg)
                    elif check_instance:
                        msg = _("Instance '%s' already exists!" % clone_data['name'])
                        error_messages.append(msg)
                    else:
                        for post in request.POST:
                            clone_data[post] = request.POST.get(post, '')

                        new_uuid = conn.clone_instance(clone_data)
                        new_instance = Instance(compute_id=compute_id, name=clone_data['name'], uuid=new_uuid)
                        new_instance.save()
                        userinstance = UserInstance(instance_id=new_instance.id, user_id=request.user.id, is_delete=True)
                        userinstance.save()

                        msg = _("Clone of '%s'" % instance.name)
                        addlogmsg(request.user.username, new_instance.name, msg)
                        return HttpResponseRedirect(reverse('instance', args=[compute_id, clone_data['name']]))

        conn.close()

    except libvirtError as lib_err:
        error_messages.append(lib_err.message)
        addlogmsg(request.user.username, vname, lib_err.message)

    return render(request, 'instance.html', locals())
Beispiel #6
0
def instance(request, compute_id, vname):
    """
    :param request:
    :return:
    """

    error_messages = []
   #messages = []
    compute = get_object_or_404(Compute, pk=compute_id)
    computes = Compute.objects.all().order_by('name')
    computes_count = computes.count()
    users = User.objects.all().order_by('username')
    publickeys = UserSSHKey.objects.filter(user_id=request.user.id)
    keymaps = settings.QEMU_KEYMAPS
    console_types = settings.QEMU_CONSOLE_TYPES
    console_listen_addresses = settings.QEMU_CONSOLE_LISTEN_ADDRESSES
    try:
        userinstance = UserInstance.objects.get(instance__compute_id=compute_id,
                                               instance__name=vname,
                                               user__id=request.user.id)
    except UserInstance.DoesNotExist:
        userinstance = None

    if not request.user.is_superuser:
        if not userinstance:
            return HttpResponseRedirect(reverse('index'))

    def show_clone_disk(disks, vname=''):
        clone_disk = []
        for disk in disks:
            if disk['image'] is None:
                continue
            if disk['image'].count("-") and disk['image'].rsplit("-", 1)[0] == vname:
                name, suffix = disk['image'].rsplit("-", 1)
                image = name + "-clone" + "-" + suffix
            elif disk['image'].count(".") and len(disk['image'].rsplit(".", 1)[1]) <= 7:
                name, suffix = disk['image'].rsplit(".", 1)
                image = name + "-clone" + "." + suffix
            else:
                image = disk['image'] + "-clone"
            clone_disk.append(
                {'dev': disk['dev'], 'storage': disk['storage'],
                 'image': image, 'format': disk['format']})
        return clone_disk
    
    def filesizefstr(size_str):
        if size_str == '':
            return 0
        size_str = size_str.encode('ascii', 'ignore').upper().translate(None, " B")
        if 'K' == size_str[-1]:
            return long(float(size_str[:-1]))<<10
        elif 'M' == size_str[-1]:
            return long(float(size_str[:-1]))<<20
        elif 'G' == size_str[-1]:
            return long(float(size_str[:-1]))<<30
        elif 'T' == size_str[-1]:
            return long(float(size_str[:-1]))<<40
        elif 'P' == size_str[-1]:
            return long(float(size_str[:-1]))<<50
        else:
            return long(float(size_str))

    def get_clone_free_names(size=10):
        prefix = settings.CLONE_INSTANCE_DEFAULT_PREFIX
        free_names = []
        existing_names = [i.name for i in Instance.objects.filter(name__startswith=prefix)]
        index = 1
        while len(free_names) < size:
            new_name = prefix + str(index)
            if new_name not in existing_names:
                free_names.append(new_name)
            index += 1
        return free_names

    def check_user_quota(instance, cpu, memory, disk_size):
        user_instances = UserInstance.objects.filter(user_id=request.user.id, instance__is_template=False)
        instance += user_instances.count()
        for usr_inst in user_instances:
            if connection_manager.host_is_up(usr_inst.instance.compute.type,
                                             usr_inst.instance.compute.hostname):
                conn = wvmInstance(usr_inst.instance.compute,
                                      usr_inst.instance.compute.login,
                                      usr_inst.instance.compute.password,
                                      usr_inst.instance.compute.type,
                                      usr_inst.instance.name)
                cpu += int(conn.get_vcpu())
                memory += int(conn.get_memory())
                for disk in conn.get_disk_device():
                    if disk['size']:
                        disk_size += int(disk['size'])>>30
        
        ua = request.user.userattributes
        msg = ""
        if ua.max_instances > 0 and instance > ua.max_instances:
            msg = "instance"
            if settings.QUOTA_DEBUG:
                msg += " (%s > %s)" % (instance, ua.max_instances)
        if ua.max_cpus > 0 and cpu > ua.max_cpus:
            msg = "cpu"
            if settings.QUOTA_DEBUG:
                msg += " (%s > %s)" % (cpu, ua.max_cpus)
        if ua.max_memory > 0 and memory > ua.max_memory:
            msg = "memory"
            if settings.QUOTA_DEBUG:
                msg += " (%s > %s)" % (memory, ua.max_memory)
        if ua.max_disk_size > 0 and disk_size > ua.max_disk_size:
            msg = "disk"
            if settings.QUOTA_DEBUG:
                msg += " (%s > %s)" % (disk_size, ua.max_disk_size)
        return msg

    def get_new_disk_dev(disks, bus):
        if bus == "virtio":
            dev_base = "vd"
        else:
            dev_base = "sd"
        existing_devs = [ disk['dev'] for disk in disks ]
        for l in string.lowercase:
            dev = dev_base + l
            if dev not in existing_devs:
                return dev
        raise Exception(_('None available device name'))

    def get_network_tuple(network_source_str):
        network_source_pack = network_source_str.split(":", 1)
        if len(network_source_pack) > 1:
            return (network_source_pack[1], network_source_pack[0])
        else:
            return (network_source_pack[0], 'net')
            
    try:
        conn = wvmInstance(compute.hostname,
                           compute.login,
                           compute.password,
                           compute.type,
                           vname)
        compute_networks = sorted(conn.get_networks())
        compute_interfaces = sorted(conn.get_ifaces())
        status = conn.get_status()
        autostart = conn.get_autostart()
        vcpu = conn.get_vcpu()
        cur_vcpu = conn.get_cur_vcpu()
        uuid = conn.get_uuid()
        memory = conn.get_memory()
        cur_memory = conn.get_cur_memory()
        title = conn.get_title()
        description = conn.get_description()
        disks = conn.get_disk_device()
        media = conn.get_media_device()
        networks = conn.get_net_device()
        if len(media) != 0:
            media_iso = sorted(conn.get_iso_media())
        else:
            media_iso = []
        vcpu_range = conn.get_max_cpus()
        memory_range = [256, 512, 768, 1024, 2048, 4096, 6144, 8192, 16384]
        if memory not in memory_range:
            insort(memory_range, memory)
        if cur_memory not in memory_range:
            insort(memory_range, cur_memory)
        memory_host = conn.get_max_memory()
        vcpu_host = len(vcpu_range)
        telnet_port = conn.get_telnet_port()
        console_type = conn.get_console_type()
        console_port = conn.get_console_port()
        console_keymap = conn.get_console_keymap()
        console_listen_address = conn.get_console_listen_addr()
        snapshots = sorted(conn.get_snapshot(), reverse=True, key=lambda k:k['date'])
        inst_xml = conn._XMLDesc(VIR_DOMAIN_XML_SECURE)
        has_managed_save_image = conn.get_managed_save_image()
        clone_disks = show_clone_disk(disks, vname)
        console_passwd = conn.get_console_passwd()
        clone_free_names = get_clone_free_names()
        user_quota_msg = check_user_quota(0, 0, 0, 0)
        storages = sorted(conn.get_storages())
        cache_modes = sorted(conn.get_cache_modes().items())
        default_cache = settings.INSTANCE_VOLUME_DEFAULT_CACHE
        default_format = settings.INSTANCE_VOLUME_DEFAULT_FORMAT
        formats = conn.get_image_formats()


        busses = conn.get_busses()
        default_bus = settings.INSTANCE_VOLUME_DEFAULT_BUS
        show_access_root_password = settings.SHOW_ACCESS_ROOT_PASSWORD
        show_access_ssh_keys = settings.SHOW_ACCESS_SSH_KEYS
        clone_instance_auto_name = settings.CLONE_INSTANCE_AUTO_NAME

        try:
            instance = Instance.objects.get(compute_id=compute_id, name=vname)
            if instance.uuid != uuid:
                instance.uuid = uuid
                instance.save()
        except Instance.DoesNotExist:
            instance = Instance(compute_id=compute_id, name=vname, uuid=uuid)
            instance.save()

        userinstances = UserInstance.objects.filter(instance=instance).order_by('user__username')

        if request.method == 'POST':
            if 'poweron' in request.POST:
                conn.start()
                msg = _("Power On")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() + '#poweron')

            if 'powercycle' in request.POST:
                conn.force_shutdown()
                conn.start()
                msg = _("Power Cycle")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() + '#powercycle')

            if 'poweroff' in request.POST:
                conn.shutdown()
                msg = _("Power Off")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() + '#poweroff')

            if 'powerforce' in request.POST:
                conn.force_shutdown()
                msg = _("Force Off")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() + '#powerforce')

            if 'delete' in request.POST and (request.user.is_superuser or userinstance.is_delete):
                if conn.get_status() == 1:
                    conn.force_shutdown()
                if request.POST.get('delete_disk', ''):
                    for snap in snapshots:
                        conn.snapshot_delete(snap['name'])
                    conn.delete_disk()
                conn.delete()

                instance = Instance.objects.get(compute_id=compute_id, name=vname)
                instance_name = instance.name
                instance.delete()

                try:
                    del_userinstance = UserInstance.objects.filter(instance__compute_id=compute_id, instance__name=vname)
                    del_userinstance.delete()
                except UserInstance.DoesNotExist:
                    pass

                msg = _("Destroy")
                addlogmsg(request.user.username, instance_name, msg)

                return HttpResponseRedirect(reverse('instances'))

            if 'rootpasswd' in request.POST:
                passwd = request.POST.get('passwd', '')
                passwd_hash = crypt.crypt(passwd, '$6$kgPoiREy')
                data = {'action': 'password', 'passwd': passwd_hash, 'vname': vname}

                if conn.get_status() == 5:
                    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
                    s.connect((compute.hostname, 16510))
                    s.send(json.dumps(data))
                    result = json.loads(s.recv(1024))
                    s.close()
                    msg = _("Reset root password")
                    addlogmsg(request.user.username, instance.name, msg)

                    if result['return'] == 'success':
                        messages.success(request, msg)
                    else:
                        error_messages.append(msg)
                else:
                    msg = _("Please shutdow down your instance and then try again")
                    error_messages.append(msg)

            if 'addpublickey' in request.POST:
                sshkeyid = request.POST.get('sshkeyid', '')
                publickey = UserSSHKey.objects.get(id=sshkeyid)
                data = {'action': 'publickey', 'key': publickey.keypublic, 'vname': vname}

                if conn.get_status() == 5:
                    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
                    s.connect((compute.hostname, 16510))
                    s.send(json.dumps(data))
                    result = json.loads(s.recv(1024))
                    s.close()
                    msg = _("Installed new ssh public key %s" % publickey.keyname)
                    addlogmsg(request.user.username, instance.name, msg)

                    if result['return'] == 'success':
                        messages.success(request, msg)
                    else:
                        error_messages.append(msg)
                else:
                    msg = _("Please shutdow down your instance and then try again")
                    error_messages.append(msg)

            if 'resize' in request.POST and (request.user.is_superuser or request.user.is_staff or userinstance.is_change):
                new_vcpu = request.POST.get('vcpu', '')
                new_cur_vcpu = request.POST.get('cur_vcpu', '')
                new_memory = request.POST.get('memory', '')
                new_memory_custom = request.POST.get('memory_custom', '')
                if new_memory_custom:
                    new_memory = new_memory_custom
                new_cur_memory = request.POST.get('cur_memory', '')
                new_cur_memory_custom = request.POST.get('cur_memory_custom', '')
                if new_cur_memory_custom:
                    new_cur_memory = new_cur_memory_custom
                disks_new = []
                for disk in disks:
                    input_disk_size = filesizefstr(request.POST.get('disk_size_' + disk['dev'], ''))
                    if input_disk_size > disk['size']+(64<<20):
                        disk['size_new'] = input_disk_size
                        disks_new.append(disk) 
                disk_sum = sum([disk['size']>>30 for disk in disks_new])
                disk_new_sum = sum([disk['size_new']>>30 for disk in disks_new])
                quota_msg = check_user_quota(0, int(new_vcpu)-vcpu, int(new_memory)-memory, disk_new_sum-disk_sum)
                if not request.user.is_superuser and quota_msg:    
                    msg = _("User %s quota reached, cannot resize '%s'!" % (quota_msg, instance.name))
                    error_messages.append(msg)
                else:
                    cur_memory = new_cur_memory
                    memory = new_memory
                    cur_vcpu = new_cur_vcpu
                    vcpu = new_vcpu
                    conn.resize(cur_memory, memory, cur_vcpu, vcpu, disks_new)
                    msg = _("Resize")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#resize')

            if 'addvolume' in request.POST and (request.user.is_superuser or userinstance.is_change):
                connCreate = wvmCreate(compute.hostname,
                                   compute.login,
                                   compute.password,
                                   compute.type)
                storage = request.POST.get('storage', '')
                name = request.POST.get('name', '')
                format = request.POST.get('format', '')
                size = request.POST.get('size', 0)
                meta_prealloc = request.POST.get('meta_prealloc', False)
                bus = request.POST.get('bus', '')
                cache = request.POST.get('cache', '')
                target = get_new_disk_dev(disks, bus)
                
                path = connCreate.create_volume(storage, name, size, format, meta_prealloc)
                conn.attach_disk(path, target, subdriver=format, cache=cache, targetbus=bus)
                msg = _('Attach new disk')
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() + '#resize')

            if 'umount_iso' in request.POST:
                image = request.POST.get('path', '')
                dev = request.POST.get('umount_iso', '')
                conn.umount_iso(dev, image)
                msg = _("Mount media")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() + '#media')

            if 'mount_iso' in request.POST:
                image = request.POST.get('media', '')
                dev = request.POST.get('mount_iso', '')
                conn.mount_iso(dev, image)
                msg = _("Umount media")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() + '#media')

            if 'snapshot' in request.POST:
                name = request.POST.get('name', '')
                conn.create_snapshot(name)
                msg = _("New snapshot")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() + '#restoresnapshot')

            if 'delete_snapshot' in request.POST:
                snap_name = request.POST.get('name', '')
                conn.snapshot_delete(snap_name)
                msg = _("Delete snapshot")
                addlogmsg(request.user.username, instance.name, msg)
                return HttpResponseRedirect(request.get_full_path() + '#restoresnapshot')

            if 'revert_snapshot' in request.POST:
                snap_name = request.POST.get('name', '')
                conn.snapshot_revert(snap_name)
                msg = _("Successful revert snapshot: ")
                msg += snap_name
                messages.success(request, msg)
                msg = _("Revert snapshot")
                addlogmsg(request.user.username, instance.name, msg)

            if request.user.is_superuser:
                if 'suspend' in request.POST:
                    conn.suspend()
                    msg = _("Suspend")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#resume')

                if 'resume' in request.POST:
                    conn.resume()
                    msg = _("Resume")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#suspend')

                if 'set_autostart' in request.POST:
                    conn.set_autostart(1)
                    msg = _("Set autostart")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#autostart')

                if 'unset_autostart' in request.POST:
                    conn.set_autostart(0)
                    msg = _("Unset autostart")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#autostart')

                if 'change_xml' in request.POST:
                    exit_xml = request.POST.get('inst_xml', '')
                    if exit_xml:
                        conn._defineXML(exit_xml)
                        msg = _("Edit XML")
                        addlogmsg(request.user.username, instance.name, msg)
                        return HttpResponseRedirect(request.get_full_path() + '#xmledit')

            if request.user.is_superuser or userinstance.is_vnc:
                if 'set_console_passwd' in request.POST:
                    if request.POST.get('auto_pass', ''):
                        passwd = randomPasswd()
                    else:
                        passwd = request.POST.get('console_passwd', '')
                        clear = request.POST.get('clear_pass', False)
                        if clear:
                            passwd = ''
                        if not passwd and not clear:
                            msg = _("Enter the console password or select Generate")
                            error_messages.append(msg)
                    if not error_messages:
                        if not conn.set_console_passwd(passwd):
                            msg = _("Error setting console password. You should check that your instance have an graphic device.")
                            error_messages.append(msg)
                        else:
                            msg = _("Set VNC password")
                            addlogmsg(request.user.username, instance.name, msg)
                            return HttpResponseRedirect(request.get_full_path() + '#vncsettings')

                if 'set_console_keymap' in request.POST:
                    keymap = request.POST.get('console_keymap', '')
                    clear = request.POST.get('clear_keymap', False)
                    if clear:
                        conn.set_console_keymap('')
                    else:
                        conn.set_console_keymap(keymap)
                    msg = _("Set VNC keymap")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#vncsettings')

                if 'set_console_type' in request.POST:
                    console_type = request.POST.get('console_type', '')
                    conn.set_console_type(console_type)
                    msg = _("Set VNC type")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#vncsettings')
                
                if 'set_console_listen_address' in request.POST:
                    console_type = request.POST.get('console_listen_address', '')
                    conn.set_console_listen_addr(console_type)
                    msg = _("Set VNC listen address")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#vncsettings')

            if request.user.is_superuser:
                if 'migrate' in request.POST:
                    compute_id = request.POST.get('compute_id', '')
                    live = request.POST.get('live_migrate', False)
                    unsafe = request.POST.get('unsafe_migrate', False)
                    xml_del = request.POST.get('xml_delete', False)
                    offline = request.POST.get('offline_migrate', False)
                    new_compute = Compute.objects.get(id=compute_id)
                    conn_migrate = wvmInstances(new_compute.hostname,
                                                new_compute.login,
                                                new_compute.password,
                                                new_compute.type)
                    conn_migrate.moveto(conn, vname, live, unsafe, xml_del, offline)
                    instance.compute = new_compute
                    instance.save()
                    conn_migrate.close()
                    if autostart:
                        conn_new = wvmInstance(new_compute.hostname,
                                               new_compute.login,
                                               new_compute.password,
                                               new_compute.type,
                                               vname)
                        conn_new.set_autostart(1)
                        conn_new.close()
                    msg = _("Migrate to %s" % new_compute.hostname)
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(reverse('instance', args=[compute_id, vname]))

                if 'change_network' in request.POST:
                    network_data = {}

                    for post in request.POST:
                        if post.startswith('net-source-'):
                            (source, source_type) = get_network_tuple(request.POST.get(post))
                            network_data[post] = source
                            network_data[post + '-type'] = source_type
                        elif post.startswith('net-'):
                            network_data[post] = request.POST.get(post, '')

                    conn.change_network(network_data)
                    msg = _("Edit network")
                    addlogmsg(request.user.username, instance.name, msg)
                    msg = _("Network Devices are changed. Please reboot instance to activate.")
                    messages.success(request, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#network')

                if 'add_network' in request.POST:
                    mac = request.POST.get('add-net-mac')
                    (source, source_type) = get_network_tuple(request.POST.get('add-net-network'))

                    conn.add_network(mac, source, source_type)
                    msg = _("Edit network")
                    addlogmsg(request.user.username, instance.name, msg)
                    msg = _("Network Devices are changed. Please reboot instance to activate.")
                    messages.success(request, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#network')
                
                if 'add_owner' in request.POST:
                    user_id = int(request.POST.get('user_id', ''))
                    
                    if settings.ALLOW_INSTANCE_MULTIPLE_OWNER:
                        check_inst = UserInstance.objects.filter(instance=instance, user_id=user_id)
                    else:
                        check_inst = UserInstance.objects.filter(instance=instance)
                    
                    if check_inst:
                        msg = _("Owner already added")
                        error_messages.append(msg)
                    else:
                        add_user_inst = UserInstance(instance=instance, user_id=user_id)
                        add_user_inst.save()
                        msg = _("Added owner %d" % user_id)
                        addlogmsg(request.user.username, instance.name, msg)
                        return HttpResponseRedirect(request.get_full_path() + '#users')

                if 'del_owner' in request.POST:
                    userinstance_id = int(request.POST.get('userinstance', ''))
                    userinstance = UserInstance.objects.get(pk=userinstance_id)
                    userinstance.delete()
                    msg = _("Deleted owner %d" % userinstance_id)
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#users')


            if request.user.is_superuser or request.user.userattributes.can_clone_instances:
                if 'clone' in request.POST:
                    clone_data = {}
                    clone_data['name'] = request.POST.get('name', '')

                    disk_sum = sum([disk['size']>>30 for disk in disks])
                    quota_msg = check_user_quota(1, vcpu, memory, disk_sum)
                    check_instance = Instance.objects.filter(name=clone_data['name'])
                    
                    for post in request.POST:
                        clone_data[post] = request.POST.get(post, '').strip()
                    
                    if clone_instance_auto_name and not clone_data['name']:
                        auto_vname = clone_free_names[0]
                        clone_data['name'] = auto_vname
                        clone_data['clone-net-mac-0'] = _get_dhcp_mac_address(auto_vname)
                        for post in clone_data.keys():
                            if post.startswith('disk-'):
                                disk_name = clone_data[post]
                                if "-" in disk_name:
                                    suffix = disk_name.split("-")[-1]
                                    disk_name = '-'.join((auto_vname, suffix))
                                else:
                                    suffix = disk_name.split(".")[-1]
                                    disk_name = '.'.join((auto_vname, suffix))
                                clone_data[post] = disk_name
                    
                    if not request.user.is_superuser and quota_msg:
                        msg = _("User %s quota reached, cannot create '%s'!" % (quota_msg, clone_data['name']))
                        error_messages.append(msg)
                    elif check_instance:
                        msg = _("Instance '%s' already exists!" % clone_data['name'])
                        error_messages.append(msg)
                    elif not re.match(r'^[a-zA-Z0-9-]+$', clone_data['name']):
                        msg = _("Instance name '%s' contains invalid characters!" % clone_data['name'])
                        error_messages.append(msg)
                    elif not re.match(r'^([0-9A-F]{2})(\:?[0-9A-F]{2}){5}$', clone_data['clone-net-mac-0'], re.IGNORECASE):
                        msg = _("Instance mac '%s' invalid format!" % clone_data['clone-net-mac-0'])
                        error_messages.append(msg)
                    else:
                        new_uuid = conn.clone_instance(clone_data)
                        new_instance = Instance(compute_id=compute_id, name=clone_data['name'], uuid=new_uuid)
                        new_instance.save()
                        userinstance = UserInstance(instance_id=new_instance.id, user_id=request.user.id, is_delete=True)
                        userinstance.save()

                        msg = _("Clone of '%s'" % instance.name)
                        addlogmsg(request.user.username, new_instance.name, msg)
                        return HttpResponseRedirect(reverse('instance', args=[compute_id, clone_data['name']]))

                if 'change_options' in request.POST:
                    instance.is_template = request.POST.get('is_template', False)
                    instance.save()
                    
                    options = {}
                    for post in request.POST:
                        if post in ['title', 'description']:
                            options[post] = request.POST.get(post, '')
                    conn.set_options(options)
                    
                    msg = _("Edit options")
                    addlogmsg(request.user.username, instance.name, msg)
                    return HttpResponseRedirect(request.get_full_path() + '#options')

        conn.close()

    except libvirtError as lib_err:
        error_messages.append(lib_err.message)
        addlogmsg(request.user.username, vname, lib_err.message)

    return render(request, 'instance.html', locals())