Ejemplo n.º 1
0
class SnapshotSerializer(s.InstanceSerializer):
    """
    vms.models.Snapshot
    """
    _model_ = Snapshot
    _update_fields_ = ('note', )
    _default_fields_ = ('hostname', 'name', 'disk_id')

    hostname = s.CharField(source='vm.hostname', read_only=True)
    vm_uuid = s.CharField(source='vm.uuid', read_only=True)
    define = s.CharField(source='define.name', read_only=True)
    name = s.RegexField(r'^[A-Za-z0-9][A-Za-z0-9\._-]*$',
                        max_length=24,
                        min_length=1)
    disk_id = s.IntegerField(source='array_disk_id',
                             max_value=DISK_ID_MAX,
                             min_value=DISK_ID_MIN)
    note = s.SafeCharField(max_length=128, required=False)
    type = s.IntegerChoiceField(choices=Snapshot.TYPE,
                                default=2,
                                read_only=True)
    created = s.DateTimeField(read_only=True, required=False)
    status = s.IntegerChoiceField(choices=Snapshot.STATUS,
                                  read_only=True,
                                  required=False)
    size = s.IntegerField(read_only=True)
    id = s.SafeCharField(read_only=True)
Ejemplo n.º 2
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class VmMonitoringSerializer(s.InstanceSerializer):
    """
    Serializer for validating mon_vm_define parameters.
    """
    _model_ = Vm
    _blank_fields_ = ('ip', )
    _update_fields_ = ('ip', 'dns', 'port', 'useip', 'proxy', 'templates',
                       'hostgroups')

    hostname = s.CharField(read_only=True)
    uuid = s.CharField(read_only=True)
    monitored = s.BooleanField(read_only=True)
    ip = s.IPAddressField(source='monitoring_ip', required=False)
    dns = s.RegexField(r'^[A-Za-z0-9\.-]+$',
                       source='monitoring_dns',
                       required=False,
                       min_length=1,
                       max_length=128)
    port = s.IntegerField(source='monitoring_port',
                          required=False,
                          min_value=1,
                          max_value=65535)
    useip = s.BooleanField(source='monitoring_useip', required=False)
    proxy = s.CharField(source='monitoring_proxy',
                        required=False,
                        min_length=1,
                        max_length=128)
    templates = s.ArrayField(source='monitoring_templates',
                             max_items=32,
                             required=False,
                             default=[])
    hostgroups = s.ArrayField(
        source='monitoring_hostgroups',
        max_items=16,
        required=False,
        default=[],
        validators=(RegexValidator(
            regex=MonitoringBackend.RE_MONITORING_HOSTGROUPS), ))

    def __init__(self, request, vm, *args, **kwargs):
        super(VmMonitoringSerializer, self).__init__(request, vm, *args,
                                                     **kwargs)
        self.dc_settings = dc_settings = request.dc.settings
        self.fields['dns'].default = vm.hostname
        self.fields['port'].default = dc_settings.MON_ZABBIX_HOST_VM_PORT
        self.fields['useip'].default = dc_settings.MON_ZABBIX_HOST_VM_USEIP
        self.fields['proxy'].default = dc_settings.MON_ZABBIX_HOST_VM_PROXY

    def validate_useip(self, attrs, source):
        # null value will remove the useip parameter in monitoring_useip property => the default value will be used
        if source in attrs and self.init_data.get('useip', True) is None:
            attrs[source] = None

        return attrs

    # Allow to use only available templates
    validate_templates = VmDefineSerializer.validate_monitoring_templates.im_func

    # Allow to use only available hostgroups
    validate_hostgroups = VmDefineSerializer.validate_monitoring_hostgroups.im_func
Ejemplo n.º 3
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class SnapshotDefineSerializer(s.InstanceSerializer):
    """
    vms.models.SnapshotDefine
    """
    _model_ = SnapshotDefine
    _update_fields_ = ('desc', 'active', 'schedule', 'retention')
    _default_fields_ = ('hostname', 'name', 'disk_id')

    hostname = s.CharField(source='vm.hostname', read_only=True)
    vm_uuid = s.CharField(source='vm.uuid', read_only=True)
    name = s.RegexField(r'^[A-Za-z0-9][A-Za-z0-9\._-]*$',
                        max_length=8,
                        min_length=1)
    disk_id = s.IntegerField(source='array_disk_id',
                             max_value=DISK_ID_MAX,
                             min_value=DISK_ID_MIN)
    desc = s.SafeCharField(max_length=128, required=False)
    active = s.BooleanField(default=True)
    schedule = s.CronField()
    retention = s.IntegerField()  # limits set below
    fsfreeze = s.BooleanField(default=False)

    def __init__(self, request, instance, *args, **kwargs):
        super(SnapshotDefineSerializer, self).__init__(request, instance,
                                                       *args, **kwargs)

        if not kwargs.get('many', False):
            dc_settings = request.dc.settings

            # Limit maximum number of snapshots - Issue #chili-447
            if dc_settings.VMS_VM_SNAPSHOT_LIMIT_AUTO is None:
                min_count, max_count = RETENTION_MIN, RETENTION_MAX
            else:
                min_count, max_count = 1, int(
                    dc_settings.VMS_VM_SNAPSHOT_LIMIT_AUTO)

            self.fields['retention'].validators.append(
                validators.MinValueValidator(min_count))
            self.fields['retention'].validators.append(
                validators.MaxValueValidator(max_count))

            if instance.vm.is_hvm():
                self._update_fields_ = list(self._update_fields_)
                self._update_fields_.append('fsfreeze')
                if instance.vm.is_bhyve():
                    self.fields['disk_id'].max_value = DISK_ID_MAX_BHYVE

    def validate(self, attrs):
        # Check total number of existing snapshot definitions - Issue #chili-447
        if self.request.method == 'POST':
            limit = self.request.dc.settings.VMS_VM_SNAPSHOT_DEFINE_LIMIT

            if limit is not None:
                total = self._model_.objects.filter(vm=self.object.vm).count()
                if int(limit) <= total:
                    raise s.ValidationError(
                        _('Maximum number of snapshot definitions reached.'))

        return attrs
Ejemplo n.º 4
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class VmStatusSerializer(s.Serializer):
    hostname = s.CharField(read_only=True)
    uuid = s.CharField(read_only=True)
    alias = s.CharField(read_only=True)
    status = s.DisplayChoiceField(choices=Vm.STATUS, read_only=True)
    status_change = s.DateTimeField(read_only=True)
    node_status = s.DisplayChoiceField(source='node.status', choices=Node.STATUS_DB, read_only=True)
    tasks = s.CharField(source='tasks', read_only=True)
    uptime = s.IntegerField(source='uptime_actual', read_only=True)
Ejemplo n.º 5
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class UpdateSerializer(s.Serializer):
    """
    Validate update urls and login credentials.
    """
    version = s.CharField(required=True, max_length=1024, min_length=2)
    key = s.CharField(required=False,
                      max_length=1048576,
                      validators=(validate_pem_key, ))
    cert = s.CharField(required=False,
                       max_length=1048576,
                       validators=(validate_pem_cert, ))

    def __init__(self, request, *args, **kwargs):
        self.request = request
        super(UpdateSerializer, self).__init__(*args, **kwargs)
Ejemplo n.º 6
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class TincHostSerializer(serializers.ModelSerializer):
    """ TincHost readonly serializer """
    name = serializers.CharField(read_only=True)
    pubkey = serializers.CharField(required=True)
    addresses = TincAddressSerializer()

    class Meta:
        model = TincHost
        fields = ('name', 'pubkey', 'addresses')

    def to_native(self, obj):
        """ Keep API clean. A tinc without pubkey is equivalent to None {} """
        if obj.pubkey is None:
            return None
        return super(TincHostSerializer, self).to_native(obj)
Ejemplo n.º 7
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class RecordSerializer(s.InstanceSerializer):
    """
    pdns.models.Record
    """
    _model_ = Record
    _update_fields_ = ('name', 'type', 'content', 'ttl', 'prio', 'disabled')
    _null_fields_ = frozenset({'content', 'ttl', 'prio'})

    id = s.Field()
    domain = s.Field()
    name = s.CharField(max_length=253)  # Validated via pdns.validators
    type = s.ChoiceField(choices=Record.TYPE)
    content = s.CharField(max_length=65535, required=False)
    ttl = s.IntegerField(default=Record.TTL, required=False, min_value=0, max_value=2147483647)
    prio = s.IntegerField(default=Record.PRIO, required=False, min_value=0, max_value=65535)
    disabled = s.BooleanField(default=False)
    changed = s.DateTimeField(read_only=True, required=False)

    # noinspection PyMethodMayBeStatic
    def validate_name(self, attrs, source):
        if source in attrs:
            name = attrs[source]

            if name == '@':
                name = self.object.domain.name

            attrs[source] = name.lower()  # The record name must be always lower-cased (DB requirement)

        return attrs

    def validate(self, attrs):
        record = self.object

        try:
            run_record_validator(record.domain, attrs.get('type', record.type), attrs.get('name', record.name),
                                 attrs.get('content', record.content))
        except RecordValidationError as exc:
            self._errors = exc.message_dict

        return attrs

    def detail_dict(self, **kwargs):
        """Always include id and name"""
        dd = super(RecordSerializer, self).detail_dict(**kwargs)
        dd['id'] = self.object.id
        dd['name'] = self.object.name

        return dd
Ejemplo n.º 8
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class ResourceSerializer(serializers.ModelSerializer):
    avail = serializers.Field()
    unit = serializers.CharField(read_only=True)

    class Meta:
        model = Resource
        fields = ['name', 'max_req', 'dflt_req', 'unit', 'avail']
Ejemplo n.º 9
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def create_dummy_serializer(serializer_cls, skip_fields=(),
                            required_fields=()):
    """Convert existing serializer class into serializer that can be used as a serializer field.
    The resulting serializer is missing the original validators and field required attribute

    @type serializer_cls: api.serializers.Serializer
    """
    class Serializer(s.Serializer):
        pass

    # noinspection PyUnresolvedReferences
    for name, field in iteritems(serializer_cls.base_fields):
        if name in skip_fields or field.read_only:
            continue

        if isinstance(field, s.RelatedField):
            new_field = s.CharField()
        else:
            new_field = deepcopy(field)  # Do not touch the original field

        if name in required_fields:
            new_field.required = True
        else:
            new_field.required = False

        # noinspection PyUnresolvedReferences
        Serializer.base_fields[name] = new_field

    return Serializer
Ejemplo n.º 10
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class NodeGeolocationSerializer(serializers.ModelSerializer):
    coordinates = serializers.CharField(source='geolocation')
    lat = serializers.Field()
    lon = serializers.Field()

    class Meta:
        model = NodeGeolocation
        fields = ('address', 'coordinates', 'lat', 'lon')
Ejemplo n.º 11
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class ActionSerializer(s.Serializer):
    name = s.SafeCharField(max_length=200)  # The name in Zabbix will be prefixed with DC name
    enabled = s.BooleanField(default=True)
    # As we implement dynamic hostgroup creation everywhere, we will not validate whether any hostgroup exists.
    # Also we don't have to have any hostgroup defined while we create the Action as it is not a required field.
    hostgroups = s.ArrayField(max_items=1024, default=[],
                              validators=(RegexValidator(regex=MonitoringBackend.RE_MONITORING_HOSTGROUPS),))
    usergroups = s.ArrayField(max_items=1024)
    message_subject = s.CharField(max_length=255, default=DEFAULT_ACTION_MESSAGE_SUBJECT)
    message_text = s.CharField(default=DEFAULT_ACTION_MESSAGE)
    recovery_message_enabled = s.BooleanField(default=False)
    recovery_message_subject = s.CharField(max_length=255, default=DEFAULT_ACTION_MESSAGE_SUBJECT)
    recovery_message_text = s.CharField(default=DEFAULT_ACTION_MESSAGE)

    def __init__(self, request, *args, **kwargs):
        super(ActionSerializer, self).__init__(*args, **kwargs)
        self.request = request
        self.dc_settings = request.dc.settings

        if request.method == 'POST':
            self.fields['usergroups'].required = True
        else:
            self.fields['usergroups'].default = []
            self.fields['usergroups'].required = False

    def validate_usergroups(self, attrs, source):
        # User groups are created in the monitoring system according to groups in the DB. We should validate this array
        # against groups available in the current DC.
        try:
            groups_requested = set(attrs[source])
        except KeyError:
            pass
        else:
            if not groups_requested:  # The Zabbix API does not allow to set empty operations
                raise s.ValidationError(s.WritableField.default_error_messages['invalid'])

            groups_available = set(Role.objects.filter(dc=self.request.dc, name__in=groups_requested)
                                               .values_list('name', flat=True))
            groups_unavailable = groups_requested - groups_available

            if groups_unavailable:
                raise s.ValidationError([_('User group with name=%s does not exist.') % group
                                         for group in groups_unavailable])

        return attrs
Ejemplo n.º 12
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class SSLCertificateSerializer(s.Serializer):
    """
    Validate update urls and login credentials.
    """
    cert = s.CharField(max_length=2097152,
                       validators=(validate_pem_cert, validate_pem_key))

    def __init__(self, request, *args, **kwargs):
        self.request = request
        super(SSLCertificateSerializer, self).__init__(*args, **kwargs)
Ejemplo n.º 13
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class VmStatusActionIsoSerializer(s.Serializer):
    iso = None
    iso2 = None
    cdimage = s.CharField(required=False)
    cdimage2 = s.CharField(required=False)
    cdimage_once = s.BooleanField(default=True)

    def __init__(self, request, vm, *args, **kwargs):
        self.request = request
        self.vm = vm
        super(VmStatusActionIsoSerializer, self).__init__(*args, **kwargs)

    def validate_iso(self, value):
        try:
            return get_iso_images(self.request, self.vm.ostype).get(name=value)
        except Iso.DoesNotExist:
            msg = s.ChoiceField.default_error_messages['invalid_choice']
            raise s.ValidationError(msg % {'value': value})

    def validate_cdimage(self, attrs, source):
        try:
            value = attrs[source]
        except KeyError:
            pass
        else:
            if value:
                self.iso = self.validate_iso(value)

        return attrs

    def validate_cdimage2(self, attrs, source):
        try:
            value = attrs[source]
        except KeyError:
            pass
        else:
            if value:
                self.iso2 = self.validate_iso(value)

        return attrs
Ejemplo n.º 14
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class NetworkNodeMonHistorySerializer(MonHistorySerializer):
    """
    Used by NodeHistoryView to validate nic_id value.
    """
    nic = s.CharField(required=True)

    def validate(self, attrs):
        nic = attrs.get('nic')
        assert nic

        if nic in self.obj.used_nics:
            self.item_id = nic
        else:
            raise s.ValidationError(_('NIC not defined on compute node.'))

        return attrs
Ejemplo n.º 15
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class StorageNodeMonHistorySerializer(MonHistorySerializer):
    """
    Used by NodeHistoryView to validate zpools value.
    """
    zpool = s.CharField(required=True)

    def validate(self, attrs):
        zpool = attrs.get('zpool')
        assert zpool

        if zpool in self.obj.zpools:
            self.item_id = zpool
        else:
            raise s.ValidationError(_('Zpool not defined on compute node.'))

        return attrs
Ejemplo n.º 16
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        class PasswordSerializer(serializers.Serializer):
            disable_password = serializers.BooleanField(default=True)
            password = serializers.CharField(default='', required=False)

            def __init__(self, node, *args, **kwargs):
                super(PasswordSerializer, self).__init__(*args, **kwargs)
                self.node = node

            def validate(self, attrs):
                # check that password is provided or has been disabled
                if not attrs['disable_password'] and not attrs['password']:
                    raise serializers.ValidationError(
                        'You must provide a password or disable it.')
                return attrs

            def process_post(self):
                assert self.is_valid()
                self.data['disabled'] = self.data['disable_password']
                return process_data(self.node, self.data)
Ejemplo n.º 17
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class VmSerializer(VmBaseSerializer):
    """
    VM details (read-only)
    """
    hostname = s.Field()
    uuid = s.CharField(read_only=True)
    alias = s.Field()
    node = s.SlugRelatedField(slug_field='hostname',
                              read_only=True,
                              required=False)
    owner = s.SlugRelatedField(slug_field='username', read_only=True)
    status = s.DisplayChoiceField(choices=Vm.STATUS, read_only=True)
    node_status = s.DisplayChoiceField(source='node.status',
                                       choices=Node.STATUS_DB,
                                       read_only=True)
    vcpus = s.IntegerField(read_only=True)
    ram = s.IntegerField(read_only=True)
    disk = s.IntegerField(read_only=True)
    ips = s.ArrayField(read_only=True)
    uptime = s.IntegerField(source='uptime_actual', read_only=True)
    locked = s.BooleanField(read_only=True)
Ejemplo n.º 18
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class BackupSerializer(_HideNodeSerializer):
    """
    vms.models.Backup
    """
    _model_ = Backup
    _update_fields_ = ('note', )
    _default_fields_ = ('hostname', 'vm', 'dc', 'name', 'disk_id')

    hostname = s.CharField(source='vm_hostname', read_only=True)
    vm_uuid = s.CharField(source='vm.uuid', read_only=True)
    vm = s.CharField(source='vm', required=False, read_only=True)
    dc = s.CharField(source='dc', read_only=True)
    define = s.CharField(source='define.name', read_only=True)
    name = s.RegexField(r'^[A-Za-z0-9][A-Za-z0-9\._-]*$',
                        max_length=24,
                        min_length=1)
    disk_id = s.IntegerField(source='array_disk_id',
                             max_value=DISK_ID_MAX,
                             min_value=DISK_ID_MIN)
    type = s.IntegerChoiceField(choices=Backup.TYPE, read_only=True)
    node = s.CharField(source='node.hostname', read_only=True)
    zpool = s.CharField(source='zpool.zpool', read_only=True)
    created = s.DateTimeField(read_only=True, required=False)
    status = s.IntegerChoiceField(choices=Backup.STATUS,
                                  read_only=True,
                                  required=False)
    size = s.IntegerField(read_only=True)
    time = s.IntegerField(read_only=True)
    file_path = s.CharField(read_only=True)
    note = s.SafeCharField(max_length=128, required=False)

    def __init__(self, request, instance, node_view=False, *args, **kwargs):
        super(BackupSerializer, self).__init__(request, instance, *args,
                                               **kwargs)
        if not node_view:
            del self.fields['dc']
Ejemplo n.º 19
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class BackupDefineSerializer(_HideNodeSerializer):
    """
    vms.models.BackupDefine
    """
    _model_ = BackupDefine
    _update_fields_ = ('type', 'desc', 'node', 'zpool', 'bwlimit', 'active',
                       'schedule', 'retention', 'compression')
    _default_fields_ = ('hostname', 'name', 'disk_id')

    hostname = s.CharField(source='vm.hostname', read_only=True)
    vm_uuid = s.CharField(source='vm.uuid', read_only=True)
    name = s.RegexField(r'^[A-Za-z0-9][A-Za-z0-9\._-]*$',
                        max_length=8,
                        min_length=1)
    disk_id = s.IntegerField(source='array_disk_id',
                             max_value=DISK_ID_MAX,
                             min_value=DISK_ID_MIN)
    type = s.IntegerChoiceField(choices=BackupDefine.TYPE,
                                default=BackupDefine.DATASET)
    node = s.SlugRelatedField(slug_field='hostname',
                              queryset=Node.objects)  # queryset set below
    zpool = s.CharField(max_length=64)  # validated below
    desc = s.SafeCharField(max_length=128, required=False)
    bwlimit = s.IntegerField(required=False, min_value=0, max_value=2147483647)
    active = s.BooleanField(default=True)
    schedule = s.CronField()
    retention = s.IntegerField()  # limits set below
    compression = s.IntegerChoiceField(choices=BackupDefine.COMPRESSION)
    fsfreeze = s.BooleanField(default=False)

    def __init__(self, request, instance, *args, **kwargs):
        vm_template = kwargs.pop('vm_template', False)
        self._update_fields_ = list(self._update_fields_)
        super(BackupDefineSerializer, self).__init__(request, instance, *args,
                                                     **kwargs)

        if not kwargs.get('many', False):
            dc_settings = request.dc.settings
            backup_nodes = get_nodes(request, is_backup=True)
            self.fields['node'].queryset = backup_nodes
            self.fields['zpool'].default = dc_settings.VMS_STORAGE_DEFAULT
            self.fields[
                'compression'].default = dc_settings.VMS_VM_BACKUP_COMPRESSION_DEFAULT

            # Set first backup node and backup node storage available in DC
            # (used only when called by VmDefineBackup.create_from_template())
            if vm_template:
                try:
                    self.fields['node'].default = first_node = backup_nodes[0]
                except IndexError:
                    pass
                else:
                    first_node_zpools = get_zpools(request).filter(
                        node=first_node).values_list('zpool', flat=True)

                    if first_node_zpools and dc_settings.VMS_STORAGE_DEFAULT not in first_node_zpools:
                        self.fields['zpool'].default = first_node_zpools[0]

            if request.method != 'POST':
                self.fields['type'].read_only = True

            # Limit maximum number of backups - Issue #chili-447
            if dc_settings.VMS_VM_BACKUP_LIMIT is None:
                min_count, max_count = RETENTION_MIN, RETENTION_MAX
            else:
                min_count, max_count = 1, int(dc_settings.VMS_VM_BACKUP_LIMIT)
            self.fields['retention'].validators.append(
                validators.MinValueValidator(min_count))
            self.fields['retention'].validators.append(
                validators.MaxValueValidator(max_count))

            if instance.vm.is_kvm():
                self._update_fields_.append('fsfreeze')

    def validate(self, attrs):
        try:
            zpool = attrs['zpool']
        except KeyError:
            zpool = self.object.zpool

        try:
            node = attrs['node']
        except KeyError:
            node = self.object.node

        try:
            attrs['zpool'] = get_zpools(self.request).get(node=node,
                                                          zpool=zpool)
        except NodeStorage.DoesNotExist:
            self._errors['zpool'] = s.ErrorList(
                [_('Zpool does not exist on node.')])

        # Check total number of existing backup definitions - Issue #chili-447
        if self.request.method == 'POST':
            limit = self.request.dc.settings.VMS_VM_BACKUP_DEFINE_LIMIT

            if limit is not None:
                total = self._model_.objects.filter(vm=self.object.vm).count()
                if int(limit) <= total:
                    raise s.ValidationError(
                        _('Maximum number of backup definitions reached.'))

        return attrs
Ejemplo n.º 20
0
class TaskLogFilterSerializer(s.Serializer):
    _content_type = None
    _object_pks = None
    status = s.ChoiceField(label=_('Status'),
                           required=False,
                           choices=TASK_STATES)
    object_type = s.ChoiceField(source='content_type',
                                label=_('Object type'),
                                required=False,
                                choices=TASK_OBJECT_TYPES)
    object_name = s.CharField(label=_('Object name'),
                              max_length=2048,
                              required=False)
    show_running = s.BooleanField(label=_('Show only running tasks'),
                                  required=False,
                                  default=False)
    hide_auto = s.BooleanField(label=_('Hide automatic tasks'),
                               required=False,
                               default=False)
    date_from = s.DateField(label=_('Since'), required=False)
    date_to = s.DateField(label=_('Until'), required=False)

    def validate(self, attrs):
        object_type = attrs.get('content_type', None)
        object_name = attrs.get('object_name', None)

        # object_name depends on object_type
        if object_name:
            if not object_type:
                self._errors['object_type'] = s.ErrorList([
                    _('object_type attribute is required when '
                      'filtering by object_name.')
                ])
                return attrs

            self._content_type = content_type = ContentType.objects.get(
                model=object_type)
            model_class = content_type.model_class()
            lookup_kwargs = model_class.get_log_name_lookup_kwargs(object_name)
            filter_kwargs = {
                key + '__icontains': val
                for key, val in lookup_kwargs.items()
            }
            self._object_pks = list(
                model_class.objects.filter(**filter_kwargs).values_list(
                    'pk', flat=True))

        return attrs

    def get_filters(self, pending_tasks=()):
        if self._object_pks is not None and not self._object_pks:  # Means that we want to return empty filter results
            return False

        tz = timezone.get_current_timezone()
        data = self.object
        query = []

        date_from = data.get('date_from')
        if date_from:
            date_from = datetime.combine(date_from, datetime.min.time())
            query.append(
                Q(time__gte=date_from.replace(tzinfo=utc).astimezone(tz)))

        date_to = data.get('date_to')
        if date_to:
            date_to = datetime.combine(date_to, datetime.min.time())
            query.append(
                Q(time__lte=date_to.replace(tzinfo=utc).astimezone(tz)))

        if self._object_pks:
            query.append(Q(object_pk__in=self._object_pks))

        status = data.get('status')
        if status:
            query.append(Q(status=status))

        if data.get('show_running'):
            query.append(Q(task__in=pending_tasks))

        object_type = data.get('content_type')
        if object_type:
            if self._content_type:
                content_type = self._content_type
            else:
                content_type = ContentType.objects.get(model=object_type)
            query.append(Q(content_type=content_type))

        if data.get('hide_auto'):
            query.append(~Q(task_type__in=get_task_types(tt=(TT_AUTO, ))))

        if query:
            return reduce(and_, query)
        else:
            return None
Ejemplo n.º 21
0
class UserSerializer(ApiKeysSerializer):
    """
    gui.models.User
    """
    _model_ = User
    _update_fields_ = ('email', 'first_name', 'last_name', 'is_super_admin',
                       'is_active', 'api_access', 'api_key', 'callback_key',
                       'groups', 'dc_bound', 'password')
    _default_fields_ = ('username', 'is_super_admin', 'is_active',
                        'api_access', 'password')

    username = s.RegexField(r'^[A-Za-z0-9@.+_-]*$', max_length=254)
    current_dc = s.SlugRelatedField(source='default_dc',
                                    slug_field='name',
                                    read_only=True,
                                    required=False)
    email = s.EmailField(max_length=254)
    first_name = s.SafeCharField(max_length=30)
    last_name = s.SafeCharField(max_length=30)
    is_super_admin = s.BooleanField(source='is_staff')
    is_active = s.BooleanField()
    api_access = s.BooleanField()
    groups = s.ArrayField(required=False, source='roles_api')
    dc_bound = s.BooleanField(source='dc_bound_bool', default=True)
    created = s.DateTimeField(source='date_joined', read_only=True)
    password = s.CharField()
    old_email = None  # variable for value storage on email change
    is_staff_changed = False
    old_roles = ()

    def __init__(self, request, user, *args, **kwargs):
        super(UserSerializer, self).__init__(request, user, *args, **kwargs)
        if not kwargs.get('many', False):
            self._dc_bound = user.dc_bound

    def _normalize(self, attr, value):
        if attr == 'dc_bound':
            return self._dc_bound
        # noinspection PyProtectedMember
        return super(UserSerializer, self)._normalize(attr, value)

    # noinspection PyProtectedMember
    @atomic
    def save(self, **kwargs):
        user = self.object
        new_flag = (not user.pk or getattr(user, 'new', False))
        user.save()

        if user._roles_to_save is not None:
            self.old_roles = set(user.roles.all())
            user.roles = user._roles_to_save

        # Newly created user via API is automatically marked as verified
        # Creator has to provide correct email, or in user profile set email as not verified (since email is required)!

        # Email change by user will trigger email with verification code so he can finish profile!
        # If admin doesnt set phone user is force to set it and when phone is changed sms verification is send
        if new_flag:
            user.userprofile.email_verified = True
            user.userprofile.phone_verified = True
            user.userprofile.save()

        # Changing a user email makes the email not verified
        # (unless request.user is not part of the staff or registration is disabled)
        if self.old_email and not self.request.user.is_staff and settings.REGISTRATION_ENABLED:
            user.userprofile.email_verified = False
            user.userprofile.email_token = user.userprofile.generate_token(6)
            user.userprofile.save()

            sendmail(user,
                     'accounts/user/base/profile_verify_subject.txt',
                     'accounts/user/base/profile_verify_email.txt',
                     extra_context={
                         'email_token': user.userprofile.email_token,
                     })

    def validate_username(self, attrs, source):
        try:
            value = attrs[source]
        except KeyError:
            pass
        else:
            if self.object.id == settings.ADMIN_USER:
                raise s.NoPermissionToModify
            elif value in INVALID_USERNAMES:
                raise s.ValidationError(
                    s.WritableField.default_error_messages['invalid'])

        return attrs

    def validate_email(self, attrs, source):
        try:
            value = attrs[source]
        except KeyError:
            pass
        else:
            qs = User.objects

            if self.object.pk:
                if self.object.email == value:
                    return attrs
                else:
                    self.old_email = self.object.email
                    qs = qs.exclude(pk=self.object.pk)

            # Check if someone does not use this email (or username) already
            if qs.filter(Q(email__iexact=value)
                         | Q(username__iexact=value)).exists():
                raise s.ValidationError(
                    _('This email is already in use. Please supply a different email.'
                      ))

        return attrs

    # noinspection PyMethodMayBeStatic
    def validate_groups(self, attrs, source):
        try:
            value = attrs[source]
        except KeyError:
            pass
        else:
            groups = []

            for grp in value:
                try:
                    group = Role.objects.get(name=grp)
                except Role.DoesNotExist:
                    raise s.ObjectDoesNotExist(grp)
                else:
                    if self.request.user.is_staff:
                        groups.append(group)
                    else:
                        if group.dc_bound and self._dc_bound and group.dc_bound == self._dc_bound:
                            groups.append(group)
                        else:
                            raise s.ValidationError(
                                _('You don\'t have permission to use DC-unbound groups.'
                                  ))

            attrs[source] = groups

        return attrs

    def validate_dc_bound(self, attrs, source):
        try:
            value = bool(attrs[source])
        except KeyError:
            pass
        else:
            if value != self.object.dc_bound_bool:
                if not self.request.user.is_staff:
                    raise s.NoPermissionToModify

                if value:
                    data = self.init_data or {}
                    self._dc_bound = get_dc(
                        self.request, data.get('dc', self.request.dc.name))
                else:
                    self._dc_bound = None

        return attrs

    def validate_is_super_admin(self, attrs, source):
        try:
            value = attrs[source]
        except KeyError:
            pass
        else:
            if self.object.is_staff != value:
                if self.object.id == settings.ADMIN_USER:
                    raise s.NoPermissionToModify

                if self.request.user.is_staff:
                    self.is_staff_changed = self.object.is_staff != value
                else:
                    raise s.NoPermissionToModify

        return attrs

    def validate_is_active(self, attrs, source):
        try:
            value = attrs[source]
        except KeyError:
            pass
        else:
            if self.object.is_active != value and self.object.id == settings.ADMIN_USER:
                raise s.NoPermissionToModify

        return attrs

    def validate_api_access(self, attrs, source):
        try:
            value = attrs[source]
        except KeyError:
            pass
        else:
            if self.object.api_access != value and self.object.id == settings.ADMIN_USER:
                raise s.NoPermissionToModify

        return attrs

    def validate(self, attrs):
        # User is or will be bound to this DC
        dc = self._dc_bound

        if attrs.get('dc_bound_bool', self.object.dc_bound_bool) and attrs.get(
                'is_staff', self.object.is_staff):
            self._errors['dc_bound'] = _(
                'A SuperAdmin user cannot be DC-bound.')

        if dc:
            # User is or will be member of these groups
            try:
                groups = attrs['roles_api']
            except KeyError:
                if self.object.pk:
                    groups = self.object.roles.all()
                else:
                    groups = ()

            # A DC-bound user cannot be a member of a group that is assigned to another DC other than user.dc_bound
            if Dc.objects.filter(roles__in=groups).exclude(id=dc.id).exists():
                self._errors['dc_bound'] = s.ErrorList([
                    _("User's group(s) are attached into another datacenter(s)."
                      )
                ])

        return attrs

    def _setattr(self, instance, source, value):
        """Update user password if parameter was passed from es"""
        if source == 'password':
            self.object.set_password(value)
        else:
            # noinspection PyProtectedMember
            super(UserSerializer, self)._setattr(instance, source, value)

    def detail_dict(self, **kwargs):
        dd = super(UserSerializer, self).detail_dict(**kwargs)
        # Remove sensitive data from detail dict
        if 'password' in dd:
            dd['password'] = '******'
        if 'api_key' in dd:
            dd['api_key'] = '***'
        if 'callback_key' in dd:
            dd['callback_key'] = '***'
        return dd

    def to_native(self, obj):
        """Updated so we don't display password hash"""
        ret = super(UserSerializer, self).to_native(obj)
        if 'password' in ret:
            del ret['password']
        if 'api_key' in ret:
            ret['api_key'] = '***'
        if 'callback_key' in ret:
            ret['callback_key'] = '***'
        return ret
Ejemplo n.º 22
0
class NodeDefineSerializer(s.InstanceSerializer):
    """
    vms.models.Node
    """
    error_negative_resources = s.ErrorList(
        [_('Value is too low because of existing virtual machines.')])

    _model_ = Node
    _update_fields_ = ('status', 'owner', 'is_compute', 'is_backup',
                       'cpu_coef', 'ram_coef', 'monitoring_hostgroups',
                       'monitoring_templates')

    hostname = s.CharField(read_only=True)
    uuid = s.CharField(read_only=True)
    address = s.CharField(read_only=True)
    status = s.IntegerChoiceField(choices=Node.STATUS_DB)
    node_status = s.DisplayChoiceField(source='status',
                                       choices=Node.STATUS_DB,
                                       read_only=True)
    owner = s.SlugRelatedField(slug_field='username',
                               queryset=User.objects,
                               read_only=False)
    is_head = s.BooleanField(read_only=True)
    is_compute = s.BooleanField()
    is_backup = s.BooleanField()
    cpu = s.IntegerField(source='cpu_total', read_only=True)
    ram = s.IntegerField(source='ram_total', read_only=True)
    cpu_coef = s.DecimalField(min_value=0, max_digits=4, decimal_places=2)
    ram_coef = s.DecimalField(min_value=0,
                              max_value=1,
                              max_digits=4,
                              decimal_places=2)
    cpu_free = s.IntegerField(read_only=True)
    ram_free = s.IntegerField(read_only=True)
    ram_kvm_overhead = s.IntegerField(read_only=True)
    sysinfo = s.Field(
        source='api_sysinfo')  # Field is read_only=True by default
    monitoring_hostgroups = s.ArrayField(max_items=16, default=[])
    monitoring_templates = s.ArrayField(max_items=32, default=[])
    created = s.DateTimeField(read_only=True, required=False)

    def __init__(self, request, instance, *args, **kwargs):
        super(NodeDefineSerializer, self).__init__(request, instance, *args,
                                                   **kwargs)
        self.clear_cache = False
        self.status_changed = False
        self.monitoring_changed = False

        if not kwargs.get('many', False):
            # Used for update_node_resources()
            self._cpu_coef = instance.cpu_coef
            self._ram_coef = instance.ram_coef
            # Only active users
            self.fields['owner'].queryset = get_owners(request)

    def validate_owner(self, attrs, source):
        """Cannot change owner while pending tasks exist"""
        validate_owner(self.object, attrs.get(source, None), _('Compute node'))

        return attrs

    def validate_status(self, attrs, source):
        """Mark the status change -> used for triggering the signal.
        Do not allow a manual status change from unlicensed status."""
        try:
            value = attrs[source]
        except KeyError:
            return attrs

        if self.object.status != value:
            node = self.object

            if node.is_unlicensed():
                raise s.ValidationError(
                    _('Cannot change status. Please add a valid license first.'
                      ))

            if node.is_unreachable() or node.is_offline(
            ):  # Manual switch from unreachable and offline state
                if settings.DEBUG:
                    logger.warning(
                        'DEBUG mode on => skipping status checking of node %s',
                        self.object)
                elif not node_ping(self.object, all_workers=False
                                   ):  # requires that node is really online
                    raise s.ValidationError(
                        _('Cannot change status. Compute node is down.'))

            self.clear_cache = True
            self.status_changed = value

        return attrs

    def validate_is_compute(self, attrs, source):
        """Search for defined VMs when turning compute capability off"""
        if source in attrs and self.object.is_compute != attrs[source]:
            if self.object.vm_set.exists():
                raise s.ValidationError(_('Found existing VMs on node.'))
            self.clear_cache = True

        return attrs

    def validate_is_backup(self, attrs, source):
        """Search for existing backup definitions, which are using this node"""
        if source in attrs and self.object.is_backup != attrs[source]:
            if self.object.backupdefine_set.exists():
                raise s.ValidationError(
                    _('Found existing VM backup definitions.'))
            self.clear_cache = True

        # Check existing backups when removing node
        if self.request.method == 'DELETE':
            if self.object.backup_set.exists():
                raise s.ValidationError(_('Found existing VM backups.'))
            self.clear_cache = True

        return attrs

    def validate_monitoring_hostgroups(self, attrs, source):
        """Mark the monitoring change -> used for triggering the signal"""
        if source in attrs and self.object.monitoring_hostgroups != attrs[
                source]:
            self.monitoring_changed = True

        return attrs

    def validate_monitoring_templates(self, attrs, source):
        """Mark the monitoring change -> used for triggering the signal"""
        if source in attrs and self.object.monitoring_templates != attrs[
                source]:
            self.monitoring_changed = True

        return attrs

    @property
    def update_node_resources(self):
        """True if cpu_coef or ram_coef changed"""
        return not (self.object.cpu_coef == self._cpu_coef
                    and self.object.ram_coef == self._ram_coef)
Ejemplo n.º 23
0
class VmMigrateSerializer(s.Serializer):
    node = s.SlugRelatedField(slug_field='hostname',
                              queryset=Node.objects,
                              required=False)
    root_zpool = s.CharField(max_length=64, required=False)
    disk_zpools = DiskPoolDictField(required=False)

    def __init__(self, request, vm, *args, **kwargs):
        self.img_required = None
        self.request = request
        self.vm = vm

        super(VmMigrateSerializer, self).__init__(*args, **kwargs)
        self.fields['node'].queryset = get_nodes(request, is_compute=True)
        self._disks = vm.json_active_get_disks()

        if vm.is_kvm():
            self.fields['disk_zpools'].max_items = len(self._disks)
        else:
            del self.fields['disk_zpools']

    def validate_disk_zpools(self, attrs, source):
        disk_zpools = attrs.get(source, None)

        if disk_zpools:
            if max(disk_zpools.keys()) > len(self._disks):
                raise s.ValidationError(_('Invalid disk_id.'))

        return attrs

    def validate_node(self, attrs, source):
        """Basic node validation"""
        node = attrs.get(source, None)

        if not node:
            attrs.pop(source, None)
            return attrs

        vm = self.vm

        if node == vm.node:
            raise s.ValidationError(
                _('Target node is the same as current node.'))

        if node.status != Node.ONLINE:
            raise s.ValidationError(_('Target node is not in online state.'))

        # Check nic tags
        try:
            validate_nic_tags(vm, new_node=node)
        except s.ValidationError:
            raise s.ValidationError(
                _('Some networks are not available on target node.'))

        return attrs

    def validate(self, attrs):
        vm = self.vm
        node = attrs.get('node', vm.node)
        changing_node = attrs.get('node', vm.node) != vm.node
        # Ghost VM is a copy of a VM used to take up place in DB.
        # When node is changing we have to have all disks in a ghost VM.
        # When changing only disk pools, only the changed disks have to be in a ghost VM.
        ghost_vm = SlaveVm(_master_vm=vm)
        ghost_vm.reserve_resources = changing_node
        ghost_vm.set_migration_hostname()
        ghost_vm.node = node
        ghost_vm_define = SlaveVmDefine(ghost_vm)

        # Validate root_zpool (we can do this after we know the new node)
        root_zpool = attrs.get('root_zpool', None)
        # Every pool must be validated when changing node
        try:
            root_zpool = ghost_vm_define.save_root_zpool(
                root_zpool, save_same_zpool=changing_node)
        except APIValidationError as exc:
            self._errors['node'] = exc.api_errors
            return attrs

        # Validate disk_zpools (we can do this after we know the new node)
        if ghost_vm.vm.is_kvm():
            disk_zpools = attrs.get('disk_zpools', {})
            try:
                disk_zpools = ghost_vm_define.save_disk_zpools(
                    disk_zpools, save_same_zpool=changing_node)
            except APIValidationError as exc:
                self._errors['node'] = exc.api_errors
                return attrs
        else:
            disk_zpools = {}

        # Nothing changed, he?
        if not changing_node and not (root_zpool or disk_zpools):
            raise s.ValidationError(_('Nothing to do.'))

        # Validate dc_node resources
        try:
            ghost_vm_define.validate_node_resources(
                ignore_cpu_ram=not changing_node)
        except APIValidationError as exc:
            self._errors['node'] = exc.api_errors
            return attrs

        # Validate storage resources
        try:
            ghost_vm_define.validate_storage_resources()
        except APIValidationError as exc:
            self._errors['node'] = exc.api_errors
            return attrs

        # Validate images
        self.img_required = ghost_vm_define.check_required_images()

        # Save params
        # noinspection PyAttributeOutsideInit
        self._root_zpool = root_zpool
        # noinspection PyAttributeOutsideInit
        self._disk_zpools = disk_zpools
        # noinspection PyAttributeOutsideInit
        self.ghost_vm_define = ghost_vm_define
        # noinspection PyAttributeOutsideInit
        self.changing_node = changing_node

        return attrs

    def save_ghost_vm(self):
        self.ghost_vm_define.save()
        return self.ghost_vm_define.slave_vm

    def node_image_import(self):
        if self.img_required:
            ns, img = self.img_required
            return NodeImageView.import_for_vm(self.request, ns, img, self.vm)
        return None

    @property
    def esmigrate_cmd(self):
        """Create esmigrate command"""
        vm = self.vm
        get_json = 'vmadm get %s 2>/dev/null' % vm.uuid
        params = []

        if self.changing_node:
            node = self.object['node']
            params.append('-H %s' % node.address)
            ssh = 'ssh -o ConnectTimeout=10 -o BatchMode=yes -o StrictHostKeyChecking=no ' \
                  '-o GSSAPIKeyExchange=no -o GSSAPIAuthentication=no -o LogLevel=QUIET -l root'
            get_json = '%s %s "%s"' % (ssh, node.address, get_json)

        if self._root_zpool:
            params.append('-p %s' % self._root_zpool)

        if self._disk_zpools:
            for n, zpool in self._disk_zpools.items():
                n -= 1
                params.append('-%s %s' % (n, zpool))

        return 'esmigrate migrate %s %s >&2; ' % (vm.uuid,
                                                  ' '.join(params)) + get_json

    def detail_dict(self, **kwargs):
        dd = {}

        if self.changing_node:
            dd['node'] = self.object['node'].hostname

        if self._root_zpool:
            dd['root_zpool'] = self._root_zpool

        if self._disk_zpools:
            dd['disk_zpools'] = self._disk_zpools

        return dd
Ejemplo n.º 24
0
class DcSettingsSerializer(s.InstanceSerializer):
    """
    vms.models.Dc.settings
    """
    _global_settings = None
    _model_ = Dc
    modules = settings.MODULES  # Used in gui forms
    third_party_modules = []  # Class level storage, updated only with the decorator function
    third_party_settings = []  # Class level storage, updated only with the decorator function
    # List of settings which cannot be changed when set to False in (local_)settings.py (booleans only)
    _override_disabled_ = settings.MODULES
    _blank_fields_ = frozenset({
        'SITE_LOGO',
        'SITE_ICON',
        'SHADOW_EMAIL',
        'SUPPORT_PHONE',
        'VMS_DISK_IMAGE_DEFAULT',
        'VMS_DISK_IMAGE_ZONE_DEFAULT',
        'VMS_DISK_IMAGE_LX_ZONE_DEFAULT',
        'VMS_NET_DEFAULT',
        'VMS_STORAGE_DEFAULT',
        'MON_ZABBIX_HTTP_USERNAME',
        'MON_ZABBIX_HTTP_PASSWORD',
        'MON_ZABBIX_HOST_VM_PROXY',
        'DNS_SOA_DEFAULT',
        'EMAIL_HOST_USER',
        'EMAIL_HOST_PASSWORD',
        'SMS_FROM_NUMBER',
        'SMS_SERVICE_USERNAME',
        'SMS_SERVICE_PASSWORD',
    })
    _null_fields_ = frozenset({
        'VMS_VM_DEFINE_LIMIT',
        'VMS_VM_SNAPSHOT_DEFINE_LIMIT',
        'VMS_VM_SNAPSHOT_LIMIT_AUTO',
        'VMS_VM_SNAPSHOT_LIMIT_MANUAL',
        'VMS_VM_SNAPSHOT_LIMIT_MANUAL_DEFAULT',
        'VMS_VM_SNAPSHOT_SIZE_LIMIT',
        'VMS_VM_SNAPSHOT_SIZE_LIMIT_DEFAULT',
        'VMS_VM_SNAPSHOT_DC_SIZE_LIMIT',
        'VMS_VM_BACKUP_DEFINE_LIMIT',
        'VMS_VM_BACKUP_LIMIT',
        'VMS_VM_BACKUP_DC_SIZE_LIMIT',
        'VMS_NET_LIMIT',
        'VMS_IMAGE_VM',
        'VMS_IMAGE_LIMIT',
        'VMS_ISO_LIMIT'
    })

    dc = s.CharField(label=_('Datacenter'), read_only=True)

    # Modules
    VMS_VM_SNAPSHOT_ENABLED = s.BooleanField(label=_('Snapshots'))
    VMS_VM_BACKUP_ENABLED = s.BooleanField(label=_('Backups'))
    MON_ZABBIX_ENABLED = s.BooleanField(label=_('Monitoring'))
    DNS_ENABLED = s.BooleanField(label=_('DNS'))
    SUPPORT_ENABLED = s.BooleanField(label=_('Support'))
    REGISTRATION_ENABLED = s.BooleanField(label=_('Registration'))
    FAQ_ENABLED = s.BooleanField(label=_('FAQ'))  # Not part of MODULES (can be overridden even if disabled in settings)

    # Advanced settings
    VMS_VM_DOMAIN_DEFAULT = s.RegexField(r'^[A-Za-z0-9][A-Za-z0-9\._/-]*$', label='VMS_VM_DOMAIN_DEFAULT',
                                         max_length=255, min_length=3,
                                         help_text=_('Default domain part of the hostname of a newly '
                                                     'created virtual server.'))

    COMPANY_NAME = s.CharField(label='COMPANY_NAME', max_length=255,
                               help_text=_('Name of the company using this virtual datacenter.'))
    SITE_NAME = s.CharField(label='SITE_NAME', max_length=255,
                            help_text=_('Name of this site used mostly in email and text message templates.'))
    SITE_LINK = s.CharField(label='SITE_LINK', max_length=255,
                            help_text=_('Link to this site used mostly in email and text message templates.'))
    SITE_SIGNATURE = s.CharField(label='SITE_SIGNATURE', max_length=255,
                                 help_text=_('Signature attached to outgoing emails related '
                                             'to this virtual datacenter.'))
    SITE_LOGO = s.URLField(label='SITE_LOGO', max_length=2048, required=False,
                           help_text=_('URL pointing to an image, which will be displayed as a logo on the main page. '
                                       'If empty the default Danube Cloud logo will be used.'))
    SITE_ICON = s.URLField(label='SITE_ICON', max_length=2048, required=False,
                           help_text=_('URL pointing to an image, which will be displayed as an icon in the navigation '
                                       'bar. If empty the default Danube Cloud icon will be used.'))
    SUPPORT_EMAIL = s.EmailField(label='SUPPORT_EMAIL', max_length=255,
                                 help_text=_('Destination email address used for all support tickets '
                                             'related to this virtual datacenter.'))
    SUPPORT_PHONE = s.CharField(label='SUPPORT_PHONE', max_length=255, required=False,
                                help_text=_('Phone number displayed in the support contact details.'))
    SUPPORT_USER_CONFIRMATION = s.BooleanField(label='SUPPORT_USER_CONFIRMATION',
                                               help_text=_('Whether to send a confirmation email to the user after '
                                                           'a support ticket has been sent to SUPPORT_EMAIL.'))
    DEFAULT_FROM_EMAIL = s.EmailField(label='DEFAULT_FROM_EMAIL', max_length=255,
                                      help_text=_('Email address used as the "From" address for all outgoing emails '
                                                  'related to this virtual datacenter.'))
    EMAIL_ENABLED = s.BooleanField(label='EMAIL_ENABLED',
                                   help_text=_('Whether to completely disable sending of emails '
                                               'related to this virtual datacenter.'))
    API_LOG_USER_CALLBACK = s.BooleanField(label='API_LOG_USER_CALLBACK',
                                           help_text=_('Whether to log API user callback requests into the tasklog.'))

    VMS_ZONE_ENABLED = s.BooleanField(label='VMS_ZONE_ENABLED',  # Module
                                      help_text=_('Whether to enable support for SunOS and Linux zones in '
                                                  'this virtual datacenter.'))
    VMS_VM_DEFINE_LIMIT = s.IntegerField(label='VMS_VM_DEFINE_LIMIT', required=False,
                                         help_text=_('Maximum number of virtual servers that can be defined in '
                                                     'this virtual datacenter.'))
    VMS_VM_CPU_CAP_REQUIRED = s.BooleanField(label='VMS_VM_CPU_CAP_REQUIRED',
                                             help_text='When disabled, the vCPUs server parameter on SunOS and Linux '
                                                       'Zones can be set to 0, which removes the compute node CPU '
                                                       'limit (cpu_cap) for the virtual server.')
    VMS_VM_STOP_TIMEOUT_DEFAULT = s.IntegerField(label='VMS_VM_STOP_TIMEOUT_DEFAULT',
                                                 help_text='Default time period (in seconds) for a graceful VM stop or '
                                                           'reboot, after which a force stop/reboot is send to the VM '
                                                           '(KVM only).')
    VMS_VM_STOP_WIN_TIMEOUT_DEFAULT = s.IntegerField(label='VMS_VM_STOP_WIN_TIMEOUT_DEFAULT',
                                                     help_text='This is the same setting as VMS_VM_STOP_TIMEOUT_DEFAULT'
                                                               ' but for a VM with Windows OS type, which usually takes'
                                                               ' longer to shutdown.')
    VMS_VM_OSTYPE_DEFAULT = s.IntegerChoiceField(label='VMS_VM_OSTYPE_DEFAULT', choices=Vm.OSTYPE,
                                                 help_text=_('Default operating system type. One of: 1 - Linux VM, '
                                                             '2 - SunOS VM, 3 - BSD VM, 4 - Windows VM, '
                                                             '5 - SunOS Zone, 6 - Linux Zone.'))
    VMS_VM_MONITORED_DEFAULT = s.BooleanField(label='VMS_VM_MONITORED_DEFAULT',
                                              help_text=_('Controls whether server synchronization with the monitoring '
                                                          'system is enabled by default.'))
    VMS_VM_CPU_SHARES_DEFAULT = s.IntegerField(label='VMS_VM_CPU_SHARES_DEFAULT', min_value=0, max_value=1048576,
                                               help_text=_("Default value of the server's CPU shares, "
                                                           "relative to other servers."))
    VMS_VM_ZFS_IO_PRIORITY_DEFAULT = s.IntegerField(label='VMS_VM_ZFS_IO_PRIORITY_DEFAULT', min_value=0, max_value=1024,
                                                    help_text=_("Default value of the server's IO throttling "
                                                                "priority, relative to other servers."))
    VMS_VM_RESOLVERS_DEFAULT = s.IPAddressArrayField(label='VMS_VM_RESOLVERS_DEFAULT', max_items=8,
                                                     help_text=_('Default DNS resolvers used for newly '
                                                                 'created servers.'))
    VMS_VM_SSH_KEYS_DEFAULT = s.ArrayField(label='VMS_VM_SSH_KEYS_DEFAULT', max_items=32, required=False,
                                           help_text=_('List of public SSH keys added to every virtual machine '
                                                       'in this virtual datacenter.'))
    VMS_VM_MDATA_DEFAULT = s.MetadataField(label='VMS_VM_MDATA_DEFAULT', required=False,
                                           validators=(validate_mdata(Vm.RESERVED_MDATA_KEYS),),
                                           help_text=_('Default VM metadata (key=value string pairs).'))
    VMS_DISK_MODEL_DEFAULT = s.ChoiceField(label='VMS_DISK_MODEL_DEFAULT', choices=Vm.DISK_MODEL,
                                           help_text=_('Default disk model of newly created server disks. One of: '
                                                       'virtio, ide, scsi.'))
    VMS_DISK_COMPRESSION_DEFAULT = s.ChoiceField(label='VMS_DISK_COMPRESSION_DEFAULT', choices=Vm.DISK_COMPRESSION,
                                                 help_text=_('Default disk compression algorithm. '
                                                             'One of: off, lzjb, gzip, gzip-N, zle, lz4.'))
    VMS_DISK_IMAGE_DEFAULT = s.CharField(label='VMS_DISK_IMAGE_DEFAULT', max_length=64, required=False,
                                         help_text=_('Name of the default disk image used for '
                                                     'newly created server disks.'))
    VMS_DISK_IMAGE_ZONE_DEFAULT = s.CharField(label='VMS_DISK_IMAGE_ZONE_DEFAULT', max_length=64, required=False,
                                              help_text=_('Name of the default disk image used for '
                                                          'newly created SunOS zone servers.'))
    VMS_DISK_IMAGE_LX_ZONE_DEFAULT = s.CharField(label='VMS_DISK_IMAGE_LX_ZONE_DEFAULT', max_length=64, required=False,
                                                 help_text=_('Name of the default disk image used for '
                                                             'newly created Linux zone servers.'))
    VMS_NIC_MODEL_DEFAULT = s.ChoiceField(label='VMS_NIC_MODEL_DEFAULT', choices=Vm.NIC_MODEL,
                                          help_text=_('Default virtual NIC model of newly created server NICs. '
                                                      'One of: virtio, e1000, rtl8139.'))
    VMS_NIC_MONITORING_DEFAULT = s.IntegerField(label='VMS_NIC_MONITORING_DEFAULT', min_value=NIC_ID_MIN,
                                                max_value=NIC_ID_MAX,
                                                help_text=_('Default NIC ID, which will be used for '
                                                            'external monitoring.'))
    VMS_NET_DEFAULT = s.CharField(label='VMS_NET_DEFAULT', max_length=64, required=False,
                                  help_text=_('Name of the default network used for newly created server NICs.'))
    VMS_NET_LIMIT = s.IntegerField(label='VMS_NET_LIMIT', required=False,
                                   help_text=_('Maximum number of DC-bound networks that can be created in '
                                               'this virtual datacenter.'))
    VMS_NET_VLAN_RESTRICT = s.BooleanField(label='VMS_NET_VLAN_RESTRICT',
                                           help_text=_('Whether to restrict VLAN IDs to the '
                                                       'VMS_NET_VLAN_ALLOWED list.'))
    VMS_NET_VLAN_ALLOWED = s.IntegerArrayField(label='VMS_NET_VLAN_ALLOWED', required=False,
                                               help_text=_('List of VLAN IDs available for newly created DC-bound '
                                                           'networks in this virtual datacenter.'))
    VMS_NET_VXLAN_RESTRICT = s.BooleanField(label='VMS_NET_VXLAN_RESTRICT',
                                            help_text=_('Whether to restrict VXLAN IDs to the '
                                                        'VMS_NET_VXLAN_ALLOWED list.'))
    VMS_NET_VXLAN_ALLOWED = s.IntegerArrayField(label='VMS_NET_VXLAN_ALLOWED', required=False,
                                                help_text=_('List of VXLAN IDs available for newly created DC-bound '
                                                            'networks in this virtual datacenter.'))
    VMS_IMAGE_LIMIT = s.IntegerField(label='VMS_IMAGE_LIMIT', required=False,
                                     help_text=_('Maximum number of DC-bound server images that can be created in '
                                                 'this virtual datacenter.'))
    VMS_ISO_LIMIT = s.IntegerField(label='VMS_ISO_LIMIT', required=False,
                                   help_text=_('Maximum number of DC-bound ISO images that can be created in '
                                               'this virtual datacenter.'))
    VMS_STORAGE_DEFAULT = s.CharField(label='VMS_STORAGE_DEFAULT', max_length=64, required=False,
                                      help_text=_('Name of the default storage used for newly created servers '
                                                  'and server disks.'))
    VMS_VGA_MODEL_DEFAULT = s.ChoiceField(label='VMS_VGA_MODEL_DEFAULT', choices=Vm.VGA_MODEL,
                                          help_text=_('Default VGA emulation driver of newly created servers. '
                                                      'One of: std, cirrus, vmware.'))

    VMS_VM_SNAPSHOT_DEFINE_LIMIT = s.IntegerField(label='VMS_VM_SNAPSHOT_DEFINE_LIMIT', required=False,
                                                  help_text=_('Maximum number of snapshot definitions per server.'))
    VMS_VM_SNAPSHOT_LIMIT_AUTO = s.IntegerField(label='VMS_VM_SNAPSHOT_LIMIT_AUTO', required=False,
                                                help_text=_('Maximum number of automatic snapshots per server.'))
    VMS_VM_SNAPSHOT_LIMIT_MANUAL = s.IntegerField(label='VMS_VM_SNAPSHOT_LIMIT_MANUAL', required=False,
                                                  help_text=_('Maximum number of manual snapshots per server.'))
    VMS_VM_SNAPSHOT_LIMIT_MANUAL_DEFAULT = s.IntegerField(label='VMS_VM_SNAPSHOT_LIMIT_MANUAL_DEFAULT', required=False,
                                                          help_text=_('Predefined manual snapshot limit '
                                                                      'for new servers.'))
    VMS_VM_SNAPSHOT_SIZE_LIMIT = s.IntegerField(label='VMS_VM_SNAPSHOT_SIZE_LIMIT', required=False,
                                                help_text=_('Maximum size (MB) of all snapshots per server.'))
    VMS_VM_SNAPSHOT_SIZE_LIMIT_DEFAULT = s.IntegerField(label='VMS_VM_SNAPSHOT_SIZE_LIMIT_DEFAULT', required=False,
                                                        help_text=_('Predefined snapshot size limit (MB) for new '
                                                                    'servers.'))
    VMS_VM_SNAPSHOT_DC_SIZE_LIMIT = s.IntegerField(label='VMS_VM_SNAPSHOT_DC_SIZE_LIMIT', required=False,
                                                   help_text=_('Maximum size (MB) of all snapshots in this '
                                                               'virtual datacenter.'))
    VMS_VM_BACKUP_DEFINE_LIMIT = s.IntegerField(label='VMS_VM_BACKUP_DEFINE_LIMIT', required=False,
                                                help_text=_('Maximum number of backup definitions per server.'))
    VMS_VM_BACKUP_LIMIT = s.IntegerField(label='VMS_VM_BACKUP_LIMIT', required=False,
                                         help_text=_('Upper retention limit used for new backup definitions.'))
    VMS_VM_BACKUP_DC_SIZE_LIMIT = s.IntegerField(label='VMS_VM_BACKUP_DC_SIZE_LIMIT', required=False,
                                                 help_text=_('Maximum size (MB) of all backups in this '
                                                             'virtual datacenter.'))
    VMS_VM_BACKUP_COMPRESSION_DEFAULT = s.ChoiceField(label='VMS_VM_BACKUP_COMPRESSION_DEFAULT',
                                                      choices=BackupDefine.COMPRESSION,
                                                      help_text=_('Predefined compression algorithm for '
                                                                  'new file backups.'))

    DNS_PTR_DEFAULT = s.CharField(label='DNS_PTR_DEFAULT', max_length=255, min_length=4,
                                  help_text=_("Default value used for reverse DNS records of virtual server "
                                              "NIC's IP addresses. Available placeholders are: "
                                              "{ipaddr}, {hostname}, {alias}."))

    MON_ZABBIX_SERVER = s.RegexField(r'^https?://.*$', label='MON_ZABBIX_SERVER', max_length=1024,
                                     help_text=_('URL address of Zabbix server used for external monitoring of servers '
                                                 'in this virtual datacenter. WARNING: Changing this and other '
                                                 'MON_ZABBIX_* values in default virtual datacenter will '
                                                 'affect the built-in internal monitoring of servers and '
                                                 'compute nodes.'))
    MON_ZABBIX_SERVER_SSL_VERIFY = s.BooleanField(label='MON_ZABBIX_SERVER_SSL_VERIFY',
                                                  help_text=_('Whether to perform HTTPS certificate verification when '
                                                              'connecting to the Zabbix API.'))
    MON_ZABBIX_TIMEOUT = s.IntegerField(label='MON_ZABBIX_TIMEOUT', min_value=1, max_value=180,
                                        help_text=_('Timeout in seconds used for connections to the Zabbix API.'))
    MON_ZABBIX_USERNAME = s.CharField(label='MON_ZABBIX_USERNAME', max_length=255,
                                      help_text=_('Username used for connecting to the Zabbix API.'))
    MON_ZABBIX_PASSWORD = s.CharField(label='MON_ZABBIX_PASSWORD', max_length=255,
                                      help_text=_('Password used for connecting to the Zabbix API.'))
    MON_ZABBIX_HTTP_USERNAME = s.CharField(label='MON_ZABBIX_HTTP_USERNAME', max_length=255, required=False,
                                           help_text=_('Username used for the HTTP basic authentication required for '
                                                       'connections to the Zabbix API.'))
    MON_ZABBIX_HTTP_PASSWORD = s.CharField(label='MON_ZABBIX_HTTP_PASSWORD', max_length=255, required=False,
                                           help_text=_('Password used for the HTTP basic authentication required for '
                                                       'connections to the Zabbix API.'))

    MON_ZABBIX_VM_SLA = s.BooleanField(label='MON_ZABBIX_VM_SLA',
                                       help_text=_('Whether to fetch and display the SLA value of virtual servers.'))
    MON_ZABBIX_VM_SYNC = s.BooleanField(label='MON_ZABBIX_VM_SYNC',
                                        help_text=_('Whether newly created virtual servers can be automatically '
                                                    'synchronized with the monitoring server.'))
    MON_ZABBIX_HOSTGROUP_VM = s.SafeCharField(label='MON_ZABBIX_HOSTGROUP_VM', max_length=255,
                                              help_text=_('Existing Zabbix host group, which will be used for all '
                                                          'monitored servers in this virtual datacenter.'))
    MON_ZABBIX_HOSTGROUPS_VM = s.ArrayField(label='MON_ZABBIX_HOSTGROUPS_VM', max_items=32, required=False,
                                            help_text=_('List of Zabbix host groups, which will be used '
                                                        'for all monitored servers in this virtual datacenter. '
                                                        'Available placeholders are: {ostype}, {ostype_text}, '
                                                        '{disk_image}, {disk_image_abbr}, {dc_name}.'))
    MON_ZABBIX_HOSTGROUPS_VM_RESTRICT = s.BooleanField(label='MON_ZABBIX_HOSTGROUPS_VM_RESTRICT',
                                                       help_text=_('Whether to restrict Zabbix host group names to the '
                                                                   'MON_ZABBIX_HOSTGROUPS_VM_ALLOWED list.'))
    MON_ZABBIX_HOSTGROUPS_VM_ALLOWED = s.ArrayField(label='MON_ZABBIX_HOSTGROUPS_VM_ALLOWED', max_items=32,
                                                    required=False,
                                                    help_text=_('List of Zabbix host groups that can be used by servers'
                                                                ' in this virtual datacenter. Available placeholders'
                                                                ' are: {ostype}, {ostype_text}, {disk_image},'
                                                                ' {disk_image_abbr}, {dc_name}.'))
    MON_ZABBIX_TEMPLATES_VM = s.ArrayField(label='MON_ZABBIX_TEMPLATES_VM', max_items=128, required=False,
                                           help_text=_('List of existing Zabbix templates, which will be used for all '
                                                       'monitored servers in this virtual datacenter. '
                                                       'Available placeholders are: {ostype}, {ostype_text}, '
                                                       '{disk_image}, {disk_image_abbr}, {dc_name}.'))
    MON_ZABBIX_TEMPLATES_VM_MAP_TO_TAGS = s.BooleanField(label='MON_ZABBIX_TEMPLATES_VM_MAP_TO_TAGS',
                                                         help_text=_('Whether to find and use existing Zabbix templates'
                                                                     ' according to tags of a monitored '
                                                                     'virtual server.'))
    MON_ZABBIX_TEMPLATES_VM_RESTRICT = s.BooleanField(label='MON_ZABBIX_TEMPLATES_VM_RESTRICT',
                                                      help_text=_('Whether to restrict Zabbix template names to the '
                                                                  'MON_ZABBIX_TEMPLATES_VM_ALLOWED list.'))
    MON_ZABBIX_TEMPLATES_VM_ALLOWED = s.ArrayField(label='MON_ZABBIX_TEMPLATES_VM_ALLOWED', max_items=128,
                                                   required=False,
                                                   help_text=_('List of Zabbix templates that can be used by servers '
                                                               'in this virtual datacenter. Available placeholders are:'
                                                               ' {ostype}, {ostype_text}, {disk_image},'
                                                               ' {disk_image_abbr}, {dc_name}.'))
    MON_ZABBIX_TEMPLATES_VM_NIC = s.ArrayField(label='MON_ZABBIX_TEMPLATES_VM_NIC', max_items=16, required=False,
                                               help_text=_('List of Zabbix templates that will be used for all '
                                                           'monitored servers, for every virtual NIC of a server. '
                                                           'Available placeholders are: {net}, {nic_id} + '
                                                           'MON_ZABBIX_TEMPLATES_VM placeholders.'))
    MON_ZABBIX_TEMPLATES_VM_DISK = s.ArrayField(label='MON_ZABBIX_TEMPLATES_VM_DISK', max_items=16, required=False,
                                                help_text=_('List of Zabbix templates that will be used for all '
                                                            'monitored servers, for every virtual disk of a server. '
                                                            'Available placeholders: {disk}, {disk_id} + '
                                                            'MON_ZABBIX_TEMPLATES_VM placeholders.'))
    MON_ZABBIX_HOST_VM_PROXY = s.CharField(label='MON_ZABBIX_HOST_VM_PROXY', min_length=1, max_length=128,
                                           required=False,
                                           help_text=_('Name or ID of the monitoring proxy, which will be used to '
                                                       'monitor all monitored virtual servers.'))

    def __init__(self, request, dc, *args, **kwargs):
        # noinspection PyNoneFunctionAssignment
        global_settings = self.get_global_settings()

        if global_settings and not dc.is_default():  # Displaying global settings for non default DC
            dc1_settings = DefaultDc().settings      # These setting should be read-only and read from default DC
            dc_settings = DefAttrDict(dc.custom_settings, defaults=dc1_settings)  # instance
        else:
            dc1_settings = None
            dc_settings = dc.settings  # instance

        self.dc_settings = dc_settings
        dc_settings['dc'] = dc.name
        super(DcSettingsSerializer, self).__init__(request, dc_settings, *args, **kwargs)
        self._update_fields_ = self.fields.keys()
        self._update_fields_.remove('dc')
        self.settings = {}
        self.dc = dc

        if dc1_settings is not None:
            for i in global_settings:
                self.fields[i].read_only = True

    @classmethod
    def get_global_settings(cls):
        if cls._global_settings is None:
            # noinspection PyUnresolvedReferences
            cls._global_settings = frozenset(set(cls.base_fields.keys()) - set(DcSettingsSerializer.base_fields.keys()))
        return cls._global_settings

    @staticmethod
    def _filter_sensitive_data(dictionary):
        """Replace sensitive data in input dict with ***"""
        for key in dictionary.keys():
            if any([i in key for i in SENSITIVE_FIELD_NAMES]):
                dictionary[key] = SENSITIVE_FIELD_VALUE
        return dictionary

    def _setattr(self, instance, source, value):
        # noinspection PyProtectedMember
        super(DcSettingsSerializer, self)._setattr(instance, source, value)
        self.settings[source] = value

    def detail_dict(self, **kwargs):
        # Remove sensitive data from detail dict
        return self._filter_sensitive_data(super(DcSettingsSerializer, self).detail_dict(**kwargs))

    @property
    def data(self):
        if self._data is None:
            # Remove sensitive data from output
            self._data = self._filter_sensitive_data(super(DcSettingsSerializer, self).data)
        return self._data

    # noinspection PyPep8Naming
    def validate_VMS_VM_DOMAIN_DEFAULT(self, attrs, source):
        if self.dc_settings.DNS_ENABLED:
            try:
                value = attrs[source]
            except KeyError:
                pass
            else:
                try:
                    domain = Domain.objects.get(name=value)
                except Domain.DoesNotExist:
                    raise s.ValidationError(_('Object with name=%s does not exist.') % value)
                else:
                    if not self.dc.domaindc_set.filter(domain_id=domain.id).exists():
                        raise s.ValidationError(_('Domain is not available in this datacenter.'))

        return attrs

    # noinspection PyMethodMayBeStatic,PyPep8Naming
    def validate_VMS_VM_SSH_KEYS_DEFAULT(self, attrs, source):
        try:
            value = attrs[source]
        except KeyError:
            pass
        else:
            for key in value:
                validate_ssh_key(key)

        return attrs

    # noinspection PyMethodMayBeStatic,PyPep8Naming
    def validate_DNS_PTR_DEFAULT(self, attrs, source):
        try:
            value = attrs[source]
        except KeyError:
            pass
        else:
            testvalue = placeholder_validator(value, ipaddr='test', hostname='test', alias='test')
            RegexValidator(r'^[a-z0-9][a-z0-9\.-]+[a-z0-9]$')(testvalue)

        return attrs

    # noinspection PyMethodMayBeStatic,PyPep8Naming
    def validate_MON_ZABBIX_HOSTGROUPS_VM(self, attrs, source):
        return validate_array_placeholders(attrs, source, VM_KWARGS)

    # noinspection PyMethodMayBeStatic,PyPep8Naming
    def validate_MON_ZABBIX_HOSTGROUPS_VM_ALLOWED(self, attrs, source):
        return validate_array_placeholders(attrs, source, VM_KWARGS)

    # noinspection PyMethodMayBeStatic,PyPep8Naming
    def validate_MON_ZABBIX_TEMPLATES_VM(self, attrs, source):
        return validate_array_placeholders(attrs, source, VM_KWARGS)

    # noinspection PyMethodMayBeStatic,PyPep8Naming
    def validate_MON_ZABBIX_TEMPLATES_VM_ALLOWED(self, attrs, source):
        return validate_array_placeholders(attrs, source, VM_KWARGS)

    # noinspection PyMethodMayBeStatic,PyPep8Naming
    def validate_MON_ZABBIX_TEMPLATES_VM_NIC(self, attrs, source):
        return validate_array_placeholders(attrs, source, VM_KWARGS_NIC)

    # noinspection PyMethodMayBeStatic,PyPep8Naming
    def validate_MON_ZABBIX_TEMPLATES_VM_DISK(self, attrs, source):
        return validate_array_placeholders(attrs, source, VM_KWARGS_DISK)

    def validate(self, attrs):
        # Check if it is possible to override a boolean setting
        for source, value in attrs.items():
            if source in self._override_disabled_ and not getattr(settings, source, False) and value:
                self._errors[source] = s.ErrorList([_('Cannot override global setting.')])
                del attrs[source]

        return attrs
Ejemplo n.º 25
0
class ImageSerializer(s.InstanceSerializer):
    """
    vms.models.Image
    Also used in api.dc.image.serializers.
    """
    _backup_attrs_map_ = {
        'owner': 'owner_id',
        'dc_bound': 'dc_bound_id',
    }
    _model_ = Image
    _update_fields_ = ('alias', 'version', 'dc_bound', 'owner', 'access',
                       'desc', 'resize', 'deploy', 'tags')
    # TODO: 'nic_model', 'disk_model'
    _default_fields_ = ('name', 'alias', 'owner')

    name = s.RegexField(r'^[A-Za-z0-9][A-Za-z0-9\._-]*$', max_length=32)
    uuid = s.CharField(read_only=True)
    alias = s.SafeCharField(max_length=32)
    version = s.SafeCharField(max_length=16, default='1.0')
    owner = s.SlugRelatedField(slug_field='username', queryset=User.objects)
    access = s.IntegerChoiceField(choices=Image.ACCESS, default=Image.PRIVATE)
    desc = s.SafeCharField(max_length=128, required=False)
    ostype = s.IntegerChoiceField(choices=Image.OSTYPE, read_only=True)
    size = s.IntegerField(read_only=True)
    resize = s.BooleanField(default=False)
    deploy = s.BooleanField(default=False)
    # nic_model = s.ChoiceField(choices=Vm.NIC_MODEL)   # KVM only
    # disk_model = s.ChoiceField(choices=Vm.DISK_MODEL)  # KVM only
    tags = s.TagField(required=False, default=[])
    dc_bound = s.BooleanField(source='dc_bound_bool', default=True)
    status = s.IntegerChoiceField(choices=Image.STATUS,
                                  read_only=True,
                                  required=False)
    created = s.DateTimeField(read_only=True, required=False)

    def __init__(self, request, img, *args, **kwargs):
        super(ImageSerializer, self).__init__(request, img, *args, **kwargs)

        if not kwargs.get('many', False):
            self.update_manifest = True
            self._dc_bound = img.dc_bound
            self.fields['owner'].queryset = get_owners(request, all=True)

    def create_img_backup(self):
        """Creates a dictionary that maps Image object attributes to its values;
        this will be used as a backup in case the update should fail"""
        items = self._backup_attrs_map_
        return {
            items.get(attr, attr): getattr(self.object, items.get(attr, attr))
            for attr in self._update_fields_
        }

    def _normalize(self, attr, value):
        if attr == 'dc_bound':
            return self._dc_bound
        # noinspection PyProtectedMember
        return super(ImageSerializer, self)._normalize(attr, value)

    def validate_owner(self, attrs, source):
        """Cannot change owner while pending tasks exist"""
        validate_owner(self.object, attrs.get(source, None), _('Image'))

        return attrs

    def validate_dc_bound(self, attrs, source):
        try:
            value = bool(attrs[source])
        except KeyError:
            pass
        else:
            if value != self.object.dc_bound_bool:
                self._dc_bound = validate_dc_bound(self.request, self.object,
                                                   value, _('Image'))

        return attrs

    def validate(self, attrs):
        db_only_manifest_keys = {'dc_bound', 'dc_bound_bool', 'owner'}

        if db_only_manifest_keys.issuperset(attrs.keys()):
            self.update_manifest = False

        try:
            alias = attrs['alias']
        except KeyError:
            alias = self.object.alias

        try:
            version = attrs['version']
        except KeyError:
            version = self.object.version

        qs = Image.objects

        if self.object.pk:
            qs = qs.exclude(pk=self.object.pk)

        if qs.filter(alias__iexact=alias, version=version).exists():
            self._errors['alias'] = s.ErrorList([
                _('This alias is already in use. '
                  'Please supply a different alias or version.')
            ])

        if self.request.method == 'POST' and self._dc_bound:
            limit = self._dc_bound.settings.VMS_IMAGE_LIMIT

            if limit is not None:
                if Image.objects.filter(
                        dc_bound=self._dc_bound).count() >= int(limit):
                    raise s.ValidationError(
                        _('Maximum number of server disk images reached'))

        return attrs
Ejemplo n.º 26
0
class VmReplicaSerializer(s.InstanceSerializer):
    _model_ = SlaveVm
    _default_fields_ = ('repname', )
    _update_fields_ = ('reserve_resources', 'sleep_time', 'enabled', 'bwlimit')

    hostname = s.CharField(source='master_vm.hostname', read_only=True)
    repname = s.RegexField(r'^[A-Za-z0-9][A-Za-z0-9\._-]*$',
                           source='name',
                           max_length=24,
                           min_length=1)
    node = s.SlugRelatedField(slug_field='hostname',
                              queryset=Node.objects,
                              required=True)  # Updated only by POST
    root_zpool = s.CharField(max_length=64,
                             required=False)  # Updated only by POST
    disk_zpools = DiskPoolDictField(required=False)  # Updated only by POST
    reserve_resources = s.BooleanField(
        default=True)  # Default value changed below during POST
    sleep_time = s.IntegerField(source='rep_sleep_time',
                                min_value=0,
                                max_value=86400,
                                default=60)
    enabled = s.BooleanField(source='rep_enabled', default=True)
    bwlimit = s.IntegerField(source='rep_bwlimit',
                             required=False,
                             min_value=0,
                             max_value=2147483647)
    last_sync = s.DateTimeField(read_only=True, required=False)
    reinit_required = s.BooleanField(source='rep_reinit_required',
                                     read_only=True,
                                     required=False)
    node_status = s.DisplayChoiceField(source='vm.node.status',
                                       choices=Node.STATUS_DB,
                                       read_only=True)
    created = s.DateTimeField(source="vm.created",
                              read_only=True,
                              required=False)

    def __init__(self, request, slave_vm, *args, **kwargs):
        self.img_required = None
        self.reserve_resources_changed = False
        self._detail_dict = {}

        super(VmReplicaSerializer, self).__init__(request, slave_vm, *args,
                                                  **kwargs)

        if request.method == 'POST':
            vm = slave_vm.vm
            dc_settings = request.dc.settings
            self.fields[
                'reserve_resources'].default = dc_settings.VMS_VM_REPLICA_RESERVATION_DEFAULT
            self.fields['node'].queryset = get_nodes(request, is_compute=True)
            self._disks = vm.json_get_disks()

            if vm.is_hvm():
                self.fields['disk_zpools'].max_items = len(self._disks)
            else:
                del self.fields['disk_zpools']
        else:
            self.fields['node'].required = False
            self.fields['node'].read_only = True
            self.fields['root_zpool'].read_only = True
            self.fields['disk_zpools'].read_only = True

    def validate_disk_zpools(self, attrs, source):
        """Basic disk_zpools validation (POST only)"""
        disk_zpools = attrs.get(source, None)

        if disk_zpools:
            if max(disk_zpools.keys()) > len(self._disks):
                raise s.ValidationError(_('Invalid disk_id.'))

        return attrs

    def validate_node(self, attrs, source):
        """Basic node validation (POST only)"""
        try:
            node = attrs[source]
        except KeyError:
            return attrs

        if node == self.object.node:
            raise s.ValidationError(
                _('Target node is the same as current node.'))

        if node.status != Node.ONLINE:
            raise s.ValidationError(_('Target node is not in online state.'))

        # Check nic tags
        try:
            validate_nic_tags(self.object.vm, new_node=node)
        except s.ValidationError:
            raise s.ValidationError(
                _('Some networks are not available on target node.'))

        return attrs

    def _validate_create(self, attrs):
        """Validate node storage zpools, resources, ... and create slave VM (POST only)"""
        node = attrs['node']
        self._detail_dict['node'] = node.hostname
        slave_vm = self.object
        slave_vm.set_rep_hostname()
        slave_vm.node = node
        slave_vm.reserve_resources = attrs.get('reserve_resources', True)
        slave_vm_define = SlaveVmDefine(slave_vm)

        # Validate root_zpool (we can do this after we know the new node)
        root_zpool = attrs.get('root_zpool', None)
        try:
            root_zpool = slave_vm_define.save_root_zpool(root_zpool)
        except s.APIValidationError as exc:
            self._errors['node'] = exc.api_errors
            return False
        else:
            if root_zpool:
                self._detail_dict['root_zpool'] = root_zpool

        # Validate disk_zpools (we can do this after we know the new node)
        if slave_vm.vm.is_hvm():
            disk_zpools = attrs.get('disk_zpools', {})
            try:
                disk_zpools = slave_vm_define.save_disk_zpools(disk_zpools)
            except s.APIValidationError as exc:
                self._errors['node'] = exc.api_errors
                return False
            else:
                if disk_zpools:
                    self._detail_dict['disk_zpools'] = disk_zpools

        # Validate dc_node resources
        try:
            slave_vm_define.validate_node_resources(
                ignore_cpu_ram=not slave_vm.reserve_resources)
        except s.APIValidationError as exc:
            self._errors['node'] = exc.api_errors
            return False

        # Validate storage resources
        try:
            slave_vm_define.validate_storage_resources()
        except s.APIValidationError as exc:
            self._errors['node'] = exc.api_errors
            return False

        # Validate images
        self.img_required = slave_vm_define.check_required_images()

        # noinspection PyAttributeOutsideInit
        self.slave_vm_define = slave_vm_define

        return True

    def _validate_update(self, attrs):
        """Validate node resources if reserve_resources changed to True"""
        try:
            reserve_resource = attrs['reserve_resources']
        except KeyError:
            pass
        else:
            # We need to know whether the user requested change of the reserve_resources attribute
            self.reserve_resources_changed = reserve_resource != self.object.reserve_resources

            if self.reserve_resources_changed and reserve_resource:
                slave_vm_define = SlaveVmDefine(self.object)

                try:
                    slave_vm_define.validate_node_resources(
                        ignore_cpu_ram=False, ignore_disk=True)
                except s.APIValidationError as exc:
                    self._errors['node'] = exc.api_errors
                    return False

        return True

    def validate(self, attrs):
        if self.object.rep_reinit_required:
            raise s.ValidationError(
                _('Server replica requires re-initialization.'))

        if self.request.method == 'POST':
            total = SlaveVm.objects.filter(
                master_vm=self.object.master_vm).exclude(name=u'').count()
            self.object.rep_id = total + 1
            limit = self.request.dc.settings.VMS_VM_REPLICA_LIMIT

            if limit is not None:
                if int(limit) <= total:
                    raise s.ValidationError(
                        _('Maximum number of server replicas reached.'))

            self._validate_create(attrs)
        else:  # PUT
            self._validate_update(attrs)

        return attrs

    def save_slave_vm(self):
        """Initial saving of slave VM - used only by POST vm_replica"""
        # The only difference between a slave and master VM should be the hostname
        # hence we change the slave hostname temporarily to the real hostname for the purpose of sync_json()
        slave_vm = self.object
        hostname = slave_vm.vm.hostname
        slave_vm.vm.hostname = slave_vm.master_vm.hostname
        slave_vm.vm.choose_vnc_port()
        slave_vm.vm.sync_json()
        slave_vm.vm.hostname = hostname

        # We also don't want to save the replication state (which can be only updated by vm_replica_cb)
        sync_status = slave_vm.sync_status
        slave_vm.sync_status = SlaveVm.DIS
        self.slave_vm_define.save()
        slave_vm.sync_status = sync_status

        return self.slave_vm_define.slave_vm

    def node_image_import(self):
        if self.img_required:
            ns, img = self.img_required
            return NodeImageView.import_for_vm(self.request, ns, img,
                                               self.object)
        return None

    def detail_dict(self, **kwargs):
        # noinspection PyStatementEffect
        self.data
        dd = super(VmReplicaSerializer, self).detail_dict(**kwargs)
        dd.update(self._detail_dict)
        dd['repname'] = self.object.name

        return dd
Ejemplo n.º 27
0
class NodeDefineSerializer(s.InstanceSerializer):
    """
    vms.models.Node
    """
    error_negative_resources = s.ErrorList(
        [_('Value is too low because of existing virtual machines.')])

    _model_ = Node
    _update_fields_ = ('status', 'owner', 'address', 'is_compute', 'is_backup',
                       'note', 'cpu_coef', 'ram_coef', 'monitoring_hostgroups',
                       'monitoring_templates')

    hostname = s.CharField(read_only=True)
    uuid = s.CharField(read_only=True)
    address = s.ChoiceField()
    status = s.IntegerChoiceField(choices=Node.STATUS_DB)
    node_status = s.DisplayChoiceField(source='status',
                                       choices=Node.STATUS_DB,
                                       read_only=True)
    owner = s.SlugRelatedField(slug_field='username',
                               queryset=User.objects,
                               read_only=False)
    is_head = s.BooleanField(read_only=True)
    is_compute = s.BooleanField()
    is_backup = s.BooleanField()
    note = s.CharField(required=False)
    cpu = s.IntegerField(source='cpu_total', read_only=True)
    ram = s.IntegerField(source='ram_total', read_only=True)
    cpu_coef = s.DecimalField(min_value=0, max_digits=4, decimal_places=2)
    ram_coef = s.DecimalField(min_value=0,
                              max_value=1,
                              max_digits=4,
                              decimal_places=2)
    cpu_free = s.IntegerField(read_only=True)
    ram_free = s.IntegerField(read_only=True)
    ram_kvm_overhead = s.IntegerField(read_only=True)
    sysinfo = s.Field(
        source='api_sysinfo')  # Field is read_only=True by default
    monitoring_hostgroups = s.ArrayField(
        max_items=16,
        default=[],
        validators=(RegexValidator(
            regex=MonitoringBackend.RE_MONITORING_HOSTGROUPS), ))
    monitoring_templates = s.ArrayField(max_items=32, default=[])
    created = s.DateTimeField(read_only=True, required=False)

    def __init__(self, request, instance, *args, **kwargs):
        super(NodeDefineSerializer, self).__init__(request, instance, *args,
                                                   **kwargs)
        self.clear_cache = False
        self.status_changed = False
        self.address_changed = False
        self.old_ip_address = None
        self.monitoring_changed = False

        if not kwargs.get('many', False):
            # Valid node IP addresses
            self.fields['address'].choices = [(ip, ip) for ip in instance.ips]
            # Used for update_node_resources()
            self._cpu_coef = instance.cpu_coef
            self._ram_coef = instance.ram_coef
            # Only active users
            self.fields['owner'].queryset = get_owners(request)

    def validate_owner(self, attrs, source):
        """Cannot change owner while pending tasks exist"""
        validate_owner(self.object, attrs.get(source, None), _('Compute node'))

        return attrs

    def validate_address(self, attrs, source):
        """Mark that node IP address is going to change"""
        new_address = attrs.get(source, None)

        if new_address and self.object.address != new_address:
            self.address_changed = True

            try:
                self.old_ip_address = self.object.ip_address
            except ObjectDoesNotExist:
                self.old_ip_address = None

        return attrs

    def validate_status(self, attrs, source):
        """Mark the status change -> used for triggering the signal.
        Do not allow a manual status change from unlicensed status."""
        try:
            value = attrs[source]
        except KeyError:
            return attrs

        if self.object.status != value:
            node = self.object

            if node.is_unlicensed():
                raise s.ValidationError(
                    _('Cannot change status. Please add a valid license first.'
                      ))

            if node.is_unreachable() or node.is_offline(
            ):  # Manual switch from unreachable and offline state
                if settings.DEBUG:
                    logger.warning(
                        'DEBUG mode on => skipping status checking of node %s',
                        self.object)
                elif not node_ping(self.object, all_workers=False
                                   ):  # requires that node is really online
                    raise s.ValidationError(
                        _('Cannot change status. Compute node is down.'))

            self.clear_cache = True
            self.status_changed = value

        return attrs

    def validate_is_compute(self, attrs, source):
        """Search for defined VMs when turning compute capability off"""
        if source in attrs and self.object.is_compute != attrs[source]:
            if self.object.vm_set.exists():
                raise s.ValidationError(_('Found existing VMs on node.'))
            self.clear_cache = True

        return attrs

    def validate_is_backup(self, attrs, source):
        """Search for existing backup definitions, which are using this node"""
        if source in attrs and self.object.is_backup != attrs[source]:
            if self.object.backupdefine_set.exists():
                raise s.ValidationError(
                    _('Found existing VM backup definitions.'))
            self.clear_cache = True

        # Check existing backups when removing node
        if self.request.method == 'DELETE':
            if self.object.backup_set.exists():
                raise s.ValidationError(_('Found existing VM backups.'))
            self.clear_cache = True

        return attrs

    def validate_monitoring_hostgroups(self, attrs, source):
        """Mark the monitoring change -> used for triggering the signal"""
        if source in attrs and self.object.monitoring_hostgroups != attrs[
                source]:
            self.monitoring_changed = True

        return attrs

    def validate_monitoring_templates(self, attrs, source):
        """Mark the monitoring change -> used for triggering the signal"""
        if source in attrs and self.object.monitoring_templates != attrs[
                source]:
            self.monitoring_changed = True

        return attrs

    @property
    def update_node_resources(self):
        """True if cpu_coef or ram_coef changed"""
        return not (self.object.cpu_coef == self._cpu_coef
                    and self.object.ram_coef == self._ram_coef)

    def save(self):
        """Update compute node attributes in database"""
        node = self.object

        # NOTE:
        # Changing cpu or disk coefficients can lead to negative numbers in node.cpu/ram_free or dc_node.cpu/ram_free
        try:
            with transaction.atomic():
                node.save(update_resources=self.update_node_resources,
                          clear_cache=self.clear_cache)

                if self.update_node_resources:
                    if node.cpu_free < 0 or node.dcnode_set.filter(
                            cpu_free__lt=0).exists():
                        raise IntegrityError('cpu_check')

                    if node.ram_free < 0 or node.dcnode_set.filter(
                            ram_free__lt=0).exists():
                        raise IntegrityError('ram_check')

        except IntegrityError as exc:
            errors = {}
            exc_error = str(exc)
            # ram or cpu constraint was violated on vms_dcnode (can happen when DcNode strategy is set to RESERVED)
            # OR a an exception was raised above
            if 'ram_check' in exc_error:
                errors['ram_coef'] = self.error_negative_resources
            if 'cpu_check' in exc_error:
                errors['cpu_coef'] = self.error_negative_resources

            if not errors:
                raise exc

            return errors

        if self.update_node_resources:  # cpu_free or ram_free changed
            self.reload()

        return None
Ejemplo n.º 28
0
class DiskPoolDictField(s.BaseDictField):
    _key_field = s.IntegerField(min_value=DISK_ID_MIN + 1,
                                max_value=DISK_ID_MAX + 1)
    _val_field = s.CharField(max_length=64)
Ejemplo n.º 29
0
class DefaultDcSettingsSerializer(DcSettingsSerializer):
    """
    vms.models.DefaultDc.settings
    """
    _global_settings = None
    default_dc_third_party_modules = []  # Class level storage, updated only with the decorator function
    default_dc_third_party_settings = []  # Class level storage, updated only with the decorator function

    ACL_ENABLED = s.BooleanField(label=_('Advanced User Management'))  # Global Module
    API_ENABLED = s.BooleanField(label=_('API access'))  # Global Module
    VMS_DC_ENABLED = s.BooleanField(label=_('Virtual Datacenters'))  # Global Module
    SMS_ENABLED = s.BooleanField(label=_('SMS'))  # Global Module

    VMS_NODE_SSH_KEYS_SYNC = s.BooleanField(label='VMS_NODE_SSH_KEYS_SYNC',
                                            help_text=_('WARNING: Do not disable this unless '
                                                        'you know what you are doing!'))
    VMS_NODE_SSH_KEYS_DEFAULT = s.ArrayField(label='VMS_NODE_SSH_KEYS_DEFAULT',
                                             help_text=_('List of SSH keys to be added to compute nodes by default'))

    VMS_IMAGE_VM = s.SafeCharField(label='VMS_IMAGE_VM', required=False,
                                   help_text=_('Global image server (hostname or uuid) - primary IMGAPI source on all '
                                               'compute nodes. Empty value means that most of the image-related '
                                               'operations will be performed only in the DB.'))
    VMS_IMAGE_VM_NIC = s.IntegerField(label='VMS_IMAGE_VM_NIC', min_value=NIC_ID_MIN, max_value=NIC_ID_MAX,
                                      help_text=_('Image server\'s NIC ID, which will be used to determine the IP '
                                                  'address for constructing the IMGAPI source set on all compute '
                                                  'nodes.'))
    VMS_IMAGE_SOURCES = s.ArrayField(label='VMS_IMAGE_SOURCES', required=False, max_items=16,
                                     help_text=_('List of additional IMGAPI sources that will be set on all '
                                                 'compute nodes.'))
    VMS_IMAGE_REPOSITORIES = s.URLDictField(label='VMS_IMAGE_REPOSITORIES', required=False, max_items=16,
                                            help_text=_('Object (key=name, value=URL) with remote disk image '
                                                        'repositories available in every virtual datacenter.'))

    DNS_DOMAIN_TYPE_DEFAULT = s.ChoiceField(label='DNS_DOMAIN_TYPE_DEFAULT', choices=Domain.TYPE_MASTER,
                                            help_text='Default PowerDNS replication type of newly created domain.')
    DNS_HOSTMASTER = s.EmailField(label='DNS_HOSTMASTER', max_length=255,
                                  help_text=_('Default hostmaster email address used for SOA records '
                                              'of newly created domains.'))
    DNS_NAMESERVERS = s.ArrayField(label='DNS_NAMESERVERS', max_items=8,
                                   help_text=_('List of DNS servers used for NS records of newly created domains.'
                                               ' Set to an empty list to disable automatic creation of NS records.'))
    DNS_SOA_DEFAULT = s.CharField(label='DNS_SOA_DEFAULT', max_length=255, min_length=0, required=False,
                                  help_text=_('Default value for the SOA record of newly created domains. '
                                              'Available placeholders are: '
                                              '{nameserver} (replaced by first nameserver in DNS_NAMESERVERS) and '
                                              '{hostmaster} (replaced by DNS_HOSTMASTER). '
                                              'Set to an empty value to disable automatic creation of SOA records.'))

    EMAIL_HOST = s.SafeCharField(label='EMAIL_HOST',
                                 help_text=_('Hostname or IP address of the SMTP server used for all outgoing emails.'))
    EMAIL_PORT = s.IntegerField(label='EMAIL_PORT', min_value=1, max_value=65535,
                                help_text=_('Port of the SMTP server.'))
    EMAIL_USE_TLS = s.BooleanField(label='EMAIL_USE_TLS',
                                   help_text=_('Whether to use an explicit TLS (secure) SMTP connection (STARTTLS).'))
    EMAIL_USE_SSL = s.BooleanField(label='EMAIL_USE_SSL',
                                   help_text=_('Whether to use an implicit TLS (secure) SMTP connection.'))
    EMAIL_HOST_USER = s.CharField(label='EMAIL_HOST_USER', max_length=255, required=False,
                                  help_text=_('Username for SMTP authentication.'))
    EMAIL_HOST_PASSWORD = s.CharField(label='EMAIL_HOST_PASSWORD', max_length=255, required=False,
                                      help_text=_('Password for SMTP authentication.'))
    SHADOW_EMAIL = s.EmailField(label='SHADOW_EMAIL', required=False,
                                help_text=_('Email address to which hidden copies of all outgoing emails are sent.'))

    PROFILE_SSH_KEY_LIMIT = s.IntegerField(label='PROFILE_SSH_KEY_LIMIT', max_value=64,
                                           help_text=_('Maximum number of public SSH keys '
                                                       'that can be stored in one user profile.'))
    PROFILE_COUNTRY_CODE_DEFAULT = s.ChoiceField(label='PROFILE_COUNTRY_CODE_DEFAULT', choices=UserProfile.COUNTRIES,
                                                 help_text=_("Default country in user's profile."))
    PROFILE_PHONE_PREFIX_DEFAULT = s.ChoiceField(label='PROFILE_PHONE_PREFIX_DEFAULT',
                                                 choices=UserProfile.PHONE_PREFIXES,
                                                 help_text=_("Default country phone prefix in user's profile."))
    PROFILE_TIME_ZONE_DEFAULT = s.ChoiceField(label='PROFILE_TIME_ZONE_DEFAULT', choices=UserProfile.TIMEZONES,
                                              help_text=_("Default time zone in user's profile."))

    MON_ZABBIX_NODE_SYNC = s.BooleanField(label='MON_ZABBIX_NODE_SYNC',
                                          help_text=_('Whether compute nodes should be automatically '
                                                      'synchronized with the monitoring server.'))
    MON_ZABBIX_NODE_SLA = s.BooleanField(label='MON_ZABBIX_NODE_SLA',
                                         help_text=_('Whether to fetch and display the SLA value of compute nodes.'))
    MON_ZABBIX_HOSTGROUP_NODE = s.SafeCharField(label='MON_ZABBIX_HOSTGROUP_NODE', max_length=255,
                                                help_text=_('Existing Zabbix host group, which will be used for all '
                                                            'monitored compute nodes.'))
    MON_ZABBIX_HOSTGROUPS_NODE = s.ArrayField(label='MON_ZABBIX_HOSTGROUPS_NODE', max_items=32, required=False,
                                              help_text=_('List of other Zabbix host groups, which will be '
                                                          'used for all monitored compute nodes.'))
    MON_ZABBIX_TEMPLATES_NODE = s.ArrayField(label='MON_ZABBIX_TEMPLATES_NODE', max_items=128, required=False,
                                             help_text=_('List of existing Zabbix templates, which will be used for all'
                                                         ' monitored compute nodes.'))

    SMS_PREFERRED_SERVICE = s.ChoiceField(label='SMS_PREFERRED_SERVICE', choices=get_services(),
                                          help_text=_('Currently used SMS provider.'))
    SMS_SERVICE_USERNAME = s.CharField(label='SMS_SERVICE_USERNAME', max_length=255, required=False,
                                       help_text=_('Username required for the selected SMS provider.'))
    SMS_SERVICE_PASSWORD = s.CharField(label='SMS_SERVICE_PASSWORD', max_length=255, required=False,
                                       help_text=_('Password required for the selected SMS provider.'))
    SMS_FROM_NUMBER = s.SafeCharField(label='SMS_FROM_NUMBER', max_length=64, required=False,
                                      help_text=_('Phone number used as sender for outgoing text messages.'))
    SMS_REGISTRATION_ENABLED = s.BooleanField(label='SMS_REGISTRATION_ENABLED',
                                              help_text=_("Whether to verify user's phone number during registration "
                                                          "and phone number change"))

    # noinspection PyMethodMayBeStatic,PyPep8Naming
    def validate_VMS_NODE_SSH_KEYS_DEFAULT(self, attrs, source):
        try:
            value = attrs[source]
        except KeyError:
            pass
        else:
            for key in value:
                validate_ssh_key(key)

        return attrs

    # noinspection PyPep8Naming
    def validate_VMS_IMAGE_VM(self, attrs, source):
        try:
            value = attrs[source]
        except KeyError:
            pass
        else:
            if value:
                try:
                    vm = get_vm(self.request, value, exists_ok=True, noexists_fail=True, dc_bound=False)
                except ObjectNotFound as exc:
                    raise s.ValidationError(exc.detail)
                else:
                    if vm.status not in (Vm.RUNNING, Vm.STOPPED):
                        raise s.ValidationError(_('Invalid VM status; VM must be running or stopped.'))

                    if vm.ostype != Vm.SUNOS_ZONE:
                        raise s.ValidationError(_('Invalid OS type; VM must be a SunOS Zone.'))

                    attrs[source] = vm.uuid

        return attrs

    # noinspection PyMethodMayBeStatic,PyPep8Naming
    def validate_DNS_SOA_DEFAULT(self, attrs, source):
        try:
            value = attrs[source]
        except KeyError:
            return attrs

        if not value:
            attrs[source] = ''
            return attrs

        testvalue = placeholder_validator(value, nameserver='ns01.example.com', hostmaster='hostmaster.example.com')
        # {nameserver} {hostmaster} 2013010100 28800 7200 604800 86400
        RegexValidator(r'^([A-Za-z0-9\._/-]+)\s+([A-Za-z0-9\._-]+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)$')(testvalue)

        return attrs

    def validate(self, attrs):
        if attrs.get('EMAIL_USE_TLS', None) and attrs.get('EMAIL_USE_SSL', None):
            self._errors['EMAIL_USE_TLS'] = self._errors['EMAIL_USE_SSL'] = s.ErrorList([
                _('Cannot enable EMAIL_USE_TLS and EMAIL_USE_SSL together.')
            ])

        # Do not allow SMS registration without the SMS module
        if (attrs.get('SMS_REGISTRATION_ENABLED', None) and
                not attrs.get('SMS_ENABLED', self.request.dc.settings.SMS_ENABLED)):
            self._errors['SMS_REGISTRATION_ENABLED'] = s.ErrorList([_('SMS support must be enabled first.')])

        return super(DefaultDcSettingsSerializer, self).validate(attrs)
Ejemplo n.º 30
0
class NetworkSerializer(s.InstanceSerializer):
    """
    vms.models.Subnet
    """
    _model_ = Subnet
    _update_fields_ = ('alias', 'owner', 'access', 'desc', 'network',
                       'netmask', 'gateway', 'resolvers', 'dns_domain',
                       'ptr_domain', 'nic_tag', 'vlan_id', 'dc_bound',
                       'dhcp_passthrough')
    _default_fields_ = ('name', 'alias', 'owner')
    _blank_fields_ = frozenset({'desc', 'dns_domain', 'ptr_domain'})
    _null_fields_ = frozenset({'gateway'})

    # min_length because of API URL: /network/ip/
    name = s.RegexField(r'^[A-Za-z0-9][A-Za-z0-9\._-]*$',
                        min_length=3,
                        max_length=32)
    uuid = s.CharField(read_only=True)
    alias = s.SafeCharField(max_length=32)
    owner = s.SlugRelatedField(slug_field='username',
                               queryset=User.objects,
                               required=False)
    access = s.IntegerChoiceField(choices=Subnet.ACCESS,
                                  default=Subnet.PRIVATE)
    desc = s.SafeCharField(max_length=128, required=False)
    network = s.IPAddressField()
    netmask = s.IPAddressField()
    gateway = s.IPAddressField(required=False)  # can be null
    nic_tag = s.ChoiceField()
    vlan_id = s.IntegerField(min_value=0, max_value=4096)
    resolvers = s.IPAddressArrayField(source='resolvers_api',
                                      required=False,
                                      max_items=8)
    dns_domain = s.RegexField(r'^[A-Za-z0-9][A-Za-z0-9\._-]*$',
                              max_length=250,
                              required=False)  # can be blank
    ptr_domain = s.RegexField(r'^[A-Za-z0-9][A-Za-z0-9\._-]*$',
                              max_length=250,
                              required=False)  # can be blank
    dhcp_passthrough = s.BooleanField(default=False)
    dc_bound = s.BooleanField(source='dc_bound_bool', default=True)
    created = s.DateTimeField(read_only=True, required=False)

    def __init__(self, request, net, *args, **kwargs):
        super(NetworkSerializer, self).__init__(request, net, *args, **kwargs)
        if not kwargs.get('many', False):
            self._dc_bound = net.dc_bound
            self.fields['owner'].queryset = get_owners(request, all=True)
            self.fields['nic_tag'].choices = [
                (i, i) for i in DefaultDc().settings.VMS_NET_NIC_TAGS
            ]

    def _normalize(self, attr, value):
        if attr == 'dc_bound':
            return self._dc_bound
        # noinspection PyProtectedMember
        return super(NetworkSerializer, self)._normalize(attr, value)

    def validate_dc_bound(self, attrs, source):
        try:
            value = bool(attrs[source])
        except KeyError:
            pass
        else:
            if value != self.object.dc_bound_bool:
                self._dc_bound = validate_dc_bound(self.request, self.object,
                                                   value, _('Network'))

        return attrs

    def validate_alias(self, attrs, source):
        try:
            value = attrs[source]
        except KeyError:
            pass
        else:
            validate_alias(self.object, value)

        return attrs

    def validate_vlan_id(self, attrs, source):
        try:
            value = attrs[source]
        except KeyError:
            pass
        else:
            net = self.object

            if not net.new:
                # TODO: Cannot use ip__in=net_ips (ProgrammingError)
                net_ips = set(net.ipaddress_set.all().values_list('ip',
                                                                  flat=True))
                other_ips = set(
                    IPAddress.objects.exclude(subnet=net).filter(
                        subnet__vlan_id=int(value)).values_list('ip',
                                                                flat=True))
                if net_ips.intersection(other_ips):
                    raise s.ValidationError(
                        _('Network has IP addresses that already exist in another '
                          'network with the same VLAN ID.'))

        return attrs

    # noinspection PyMethodMayBeStatic
    def validate_ptr_domain(self, attrs, source):
        try:
            value = attrs[source]
        except KeyError:
            pass
        else:
            if value:
                if not value.endswith('in-addr.arpa'):
                    raise s.ValidationError(_('Invalid PTR domain name.'))
                if settings.DNS_ENABLED:
                    if not Domain.objects.filter(name=value).exists():
                        raise s.ObjectDoesNotExist(value)

        return attrs

    def validate(self, attrs):
        try:
            network = attrs['network']
        except KeyError:
            network = self.object.network

        try:
            netmask = attrs['netmask']
        except KeyError:
            netmask = self.object.netmask

        try:
            ip_network = Subnet.get_ip_network(network, netmask)
            if ip_network.is_reserved:
                raise ValueError
        except ValueError:
            self._errors['network'] = self._errors['netmask'] = \
                s.ErrorList([_('Enter a valid IPv4 network and netmask.')])

        if self.request.method == 'POST' and self._dc_bound:
            limit = self._dc_bound.settings.VMS_NET_LIMIT

            if limit is not None:
                if Subnet.objects.filter(
                        dc_bound=self._dc_bound).count() >= int(limit):
                    raise s.ValidationError(
                        _('Maximum number of networks reached'))

        if self._dc_bound:
            try:
                vlan_id = attrs['vlan_id']
            except KeyError:
                vlan_id = self.object.vlan_id

            dc_settings = self._dc_bound.settings

            if dc_settings.VMS_NET_VLAN_RESTRICT and vlan_id not in dc_settings.VMS_NET_VLAN_ALLOWED:
                self._errors['vlan_id'] = s.ErrorList(
                    [_('VLAN ID is not available in datacenter.')])

        return attrs

    # noinspection PyMethodMayBeStatic
    def update_errors(self, fields, err_msg):
        errors = {}
        for i in fields:
            errors[i] = s.ErrorList([err_msg])
        return errors