Ejemplo n.º 1
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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 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 3
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class BackupRestoreSerializer(s.Serializer):
    target_hostname_or_uuid = s.RegexField(r'^[A-Za-z0-9][A-Za-z0-9\._-]*$',
                                           required=True)
    target_disk_id = s.IntegerField(max_value=DISK_ID_MAX,
                                    min_value=DISK_ID_MIN,
                                    required=True)
    disk_id = s.IntegerField(max_value=DISK_ID_MAX,
                             min_value=DISK_ID_MIN,
                             default=1,
                             required=True)
    force = s.BooleanField(default=True)
Ejemplo n.º 4
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class SliceCreateSerializer(serializers.UriHyperlinkedModelSerializer):
    id = serializers.Field()
    expires_on = serializers.DateTimeField(read_only=True)
    instance_sn = serializers.IntegerField(read_only=True)
    properties = serializers.PropertyField()
    isolated_vlan_tag = serializers.IntegerField(read_only=True)
    sliver_defaults = SliverDefaultsSerializer()
    slivers = serializers.RelHyperlinkedRelatedField(many=True, read_only=True,
        view_name='sliver-detail')
    
    class Meta:
        model = Slice
        exclude = ('set_state',)
Ejemplo n.º 5
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class ExtendedDcSerializer(SuperDcSerializer):
    """
    Include extended datacenter statistics (only available for staff).
    """
    extra_select = frozendict({
        'nodes':
        '''SELECT COUNT(*) FROM "vms_dcnode" WHERE "vms_dc"."id" = "vms_dcnode"."dc_id"''',
        'vms':
        '''SELECT COUNT(*) FROM "vms_vm" WHERE "vms_dc"."id" = "vms_vm"."dc_id"''',
        'real_vms':
        '''SELECT COUNT(*) FROM "vms_vm" LEFT OUTER JOIN "vms_slavevm" ON
    ( "vms_vm"."uuid" = "vms_slavevm"."vm_id" ) WHERE "vms_dc"."id" = "vms_vm"."dc_id" AND
    "vms_slavevm"."vm_id" IS NULL''',
        'snapshots':
        '''SELECT COUNT(*) FROM "vms_snapshot" LEFT OUTER JOIN "vms_vm" ON
    ( "vms_vm"."uuid" = "vms_snapshot"."vm_id" ) WHERE "vms_dc"."id" = "vms_vm"."dc_id"''',
        'backups':
        '''SELECT COUNT(*) FROM "vms_backup" WHERE "vms_dc"."id" = "vms_backup"."dc_id"''',
    })

    vms = s.IntegerField(read_only=True)
    nodes = s.IntegerField(read_only=True)
    snapshots = s.IntegerField(read_only=True)
    backups = s.IntegerField(read_only=True)
    real_vms = s.IntegerField(read_only=True)
    size_vms = s.IntegerField(read_only=True, source='size_vms')
    size_snapshots = s.IntegerField(read_only=True, source='size_snapshots')
    size_backups = s.IntegerField(read_only=True, source='size_backups')
Ejemplo n.º 6
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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 7
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class NetworkIPPlanSerializer(NetworkIPSerializer):
    """
    Read-only serializer. Includes subnet/netmask and network name to NetworkIPSerializer.
    """
    net = s.Field(source='subnet.name')
    subnet = s.Field(source='subnet.ip_network.with_prefixlen')
    vlan_id = s.IntegerField(source='subnet.vlan_id', read_only=True)
Ejemplo n.º 8
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class VmStatusStopSerializer(s.Serializer):
    timeout = s.IntegerField(default=settings.VMS_VM_STOP_TIMEOUT_DEFAULT)
    force = s.BooleanField(default=False)

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

        if vm.is_kvm():
            dc_settings = request.dc.settings

            if vm.ostype == vm.WINDOWS:
                self.fields['timeout'].default = dc_settings.VMS_VM_STOP_WIN_TIMEOUT_DEFAULT
            else:
                self.fields['timeout'].default = dc_settings.VMS_VM_STOP_TIMEOUT_DEFAULT
        else:
            del self.fields['timeout']

    @property
    def data(self):
        data = super(VmStatusStopSerializer, self).data

        if 'timeout' not in data:
            data['timeout'] = None

        return data
Ejemplo n.º 9
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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 10
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class NodeSerializer(s.Serializer):
    """
    Node details serializer (read-only).
    """
    hostname = s.Field()
    address = s.Field()
    status = s.IntegerChoiceField(choices=Node.STATUS_DB, read_only=True)
    node_status = s.DisplayChoiceField(source='status',
                                       choices=Node.STATUS_DB,
                                       read_only=True)
    owner = s.SlugRelatedField(slug_field='username', read_only=True)
    is_head = s.BooleanField(read_only=True)
    cpu = s.IntegerField(source='cpu_total', read_only=True)
    ram = s.IntegerField(source='ram_total', read_only=True)
    cpu_free = s.IntegerField(read_only=True)
    ram_free = s.IntegerField(read_only=True)
    ram_kvm_overhead = s.IntegerField(read_only=True)
Ejemplo n.º 11
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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 12
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class SliverSerializer(serializers.UriHyperlinkedModelSerializer):
    id = serializers.Field(source='api_id')
    interfaces = SliverIfaceSerializer(required=False, many=True, allow_add_remove=True)
    properties = serializers.PropertyField()
    data_uri = FakeFileField(field='data', required=False)
    instance_sn = serializers.IntegerField(read_only=True)
    mgmt_net = serializers.Field()
    
    # FIXME remove when api.aggregate supports nested serializers
    # is only required because SliverDefaultsSerializer imports resources
    # serializers, and breaks api.aggregate functionality based on
    # api._registry (see class SliverDefaultsSerializer)
    if is_installed('resources'):
        from resources.serializers import ResourceReqSerializer
        resources = ResourceReqSerializer(many=True, required=False)
    
    class Meta:
        model = Sliver
        exclude = ('data',)
    
    def to_native(self, obj):
        """ hack for implementing dynamic file_uri's on FakeFile """
        self.__object__ = obj
        return super(SliverSerializer, self).to_native(obj)
    
    def validate(self, attrs):
        """ workaround about nested serialization
            sliverifaces need to be validated with an associated sliver
        """
        super(SliverSerializer, self).validate(attrs)
        ifaces = attrs.get('interfaces', []) or []
        for iface in ifaces:
            Sliver.get_registered_ifaces()[iface.type].clean_model(iface)
        return attrs

    def validate_interfaces(self, attrs, source):
        """Check that one interface of type private has been defined."""
        interfaces = attrs.get(source, [])
        
        # check that mandatory private interface has been defined
        priv_ifaces = 0
        for iface in interfaces:
            if iface.type == 'private':
                priv_ifaces += 1
            if priv_ifaces > 1:
                raise serializers.ValidationError('There can only be one interface of type private.')
        if priv_ifaces == 0:
            raise serializers.ValidationError('There must exist one interface of type private.')
        
        validate_private_iface(interfaces)
        
        for name, iface_cls in Sliver.get_registered_ifaces().items():
            validate_ifaces_nr(name, iface_cls, interfaces)
        return attrs
Ejemplo n.º 13
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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 14
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class TaskLogReportSerializer(s.Serializer):
    """
    Display task log stats.
    """
    pending = s.IntegerField(read_only=True)
    revoked = s.IntegerField(read_only=True)
    succeeded = s.IntegerField(read_only=True)
    failed = s.IntegerField(read_only=True)

    @classmethod
    def get_report(cls, basequery):
        def get_count(status):
            return basequery.filter(status=status).aggregate(
                count=Count('id')).get('count', 0)

        return {
            'pending': get_count(states.PENDING),
            'revoked': get_count(states.REVOKED),
            'succeeded': get_count(states.SUCCESS),
            'failed': get_count(states.FAILURE),
        }
Ejemplo n.º 15
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class ExtendedNetworkSerializer(NetworkSerializer):
    _free_ip_subquery = '"vms_ipaddress"."vm_id" IS NULL AND "vms_ipaddress"."usage" = %d '\
                        'AND "vms_ipaddress_vms"."vm_id" IS NULL' % IPAddress.VM

    ips_free_query = 'SELECT COUNT(*) FROM "vms_ipaddress" LEFT OUTER JOIN '\
                     '"vms_ipaddress_vms" ON ("vms_ipaddress"."id" = "vms_ipaddress_vms"."ipaddress_id") ' \
                     'WHERE "vms_subnet"."uuid" = "vms_ipaddress"."subnet_id" '\
                     'AND %s' % _free_ip_subquery

    ips_used_query = 'SELECT COUNT(*) FROM "vms_ipaddress" LEFT OUTER JOIN '\
                     '"vms_ipaddress_vms" ON ("vms_ipaddress"."id" = "vms_ipaddress_vms"."ipaddress_id") ' \
                     'WHERE "vms_subnet"."uuid" = "vms_ipaddress"."subnet_id" '\
                     'AND NOT (%s)' % _free_ip_subquery

    extra_select = frozendict({
        'ips_free': ips_free_query,
        'ips_used': ips_used_query
    })

    dcs = s.DcsField()
    ips_free = s.IntegerField(read_only=True)
    ips_used = s.IntegerField(read_only=True)
Ejemplo n.º 16
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class ExtendedNodeStorageSerializer(NodeStorageSerializer):
    size_vms = s.IntegerField(read_only=True)
    size_snapshots = s.IntegerField(read_only=True)
    size_rep_snapshots = s.IntegerField(read_only=True)
    size_backups = s.IntegerField(read_only=True)
    # size_images = s.IntegerField(read_only=True)  # TODO: fix size_images implementation and enable
    snapshots = s.IntegerField(read_only=True, source='snapshot_count')
    backups = s.IntegerField(read_only=True, source='backup_count')
    images = s.IntegerField(read_only=True, source='image_count')
    dcs = s.DcsField()
    vms = s.ArrayField(read_only=True)
Ejemplo n.º 17
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class DcNodeStorageSerializer(s.InstanceSerializer):
    """
    vms.models.NodeStorage
    """
    _model_ = NodeStorage

    node = s.Field(source='node.hostname')
    zpool = s.Field()
    alias = s.Field(source='storage.alias')
    owner = s.Field(source='storage.owner.username')
    access = s.IntegerField(source='storage.access', read_only=True)
    type = s.IntegerField(source='storage.type', read_only=True)
    size = s.IntegerField(
        read_only=True)  # storage.size_total or dc_node.disk if local storage
    size_free = s.IntegerField(
        read_only=True
    )  # storage.size_free or dc_node.disk_free if local storage
    desc = s.Field(source='storage.desc')

    def detail_dict(self, **kwargs):
        # Add dc into detail dict
        return {'dc': self.request.dc}
Ejemplo n.º 18
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class SnapshotRestoreSerializer(s.Serializer):
    target_hostname_or_uuid = s.RegexField(r'^[A-Za-z0-9][A-Za-z0-9\._-]*$',
                                           required=False)
    # we're using DISK_ID_MAX_BHYVE because it's bigger
    target_disk_id = s.IntegerField(max_value=DISK_ID_MAX_BHYVE,
                                    min_value=DISK_ID_MIN,
                                    required=False)
    force = s.BooleanField(default=True)

    def __init__(self, request, vm, *args, **kwargs):
        self.request = request
        self.vm = vm
        self.target_vm = vm
        self.target_vm_disk_id = None
        self.target_vm_real_disk_id = None
        self.target_vm_disk_zfs_filesystem = None
        super(SnapshotRestoreSerializer, self).__init__(*args, **kwargs)

    def validate(self, attrs):
        target_hostname_or_uuid = attrs.get('target_hostname_or_uuid', None)
        target_disk_id = attrs.get('target_disk_id', None)

        if target_hostname_or_uuid and not target_disk_id:
            err_msg = _(
                'This field is required when target_hostname_or_uuid is specified.'
            )
            self._errors['target_disk_id'] = s.ErrorList([err_msg])
            return attrs
        elif not target_hostname_or_uuid and target_disk_id:
            err_msg = _(
                'This field is required when target_disk_id is specified.')
            self._errors['target_hostname_or_uuid'] = s.ErrorList([err_msg])
            return attrs
        elif target_hostname_or_uuid and target_disk_id:
            try:
                self.target_vm = get_vm(self.request,
                                        target_hostname_or_uuid,
                                        exists_ok=True,
                                        noexists_fail=True,
                                        check_node_status=None)
            except ObjectNotFound as exc:
                self._errors['target_hostname_or_uuid'] = s.ErrorList(
                    [exc.detail])
            else:
                try:
                    self.target_vm_disk_id, self.target_vm_real_disk_id, self.target_vm_disk_zfs_filesystem = \
                        get_disk_id(self.request, self.target_vm, disk_id=target_disk_id)
                except InvalidInput as exc:
                    self._errors['target_disk_id'] = s.ErrorList([exc.detail])

        return attrs
Ejemplo n.º 19
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class ExtendedNodeSerializer(NodeSerializer):
    """
    Extended node details serializer (read-only).
    """
    extra_select = frozendict({
        'vms':
        '''SELECT COUNT(*) FROM "vms_vm" WHERE "vms_node"."uuid" = "vms_vm"."node_id"''',
        'real_vms':
        '''SELECT COUNT(*) FROM "vms_vm" LEFT OUTER JOIN "vms_slavevm" ON
    ( "vms_vm"."uuid" = "vms_slavevm"."vm_id" ) WHERE "vms_node"."uuid" = "vms_vm"."node_id" AND
    "vms_slavevm"."id" IS NULL''',
        'snapshots':
        '''SELECT COUNT(*) FROM "vms_snapshot" LEFT OUTER JOIN "vms_vm" ON
    ( "vms_vm"."uuid" = "vms_snapshot"."vm_id" ) WHERE "vms_node"."uuid" = "vms_vm"."node_id"''',
        'backups':
        '''SELECT COUNT(*) FROM "vms_backup" WHERE "vms_node"."uuid" = "vms_backup"."node_id"'''
    })

    dcs = s.DcsField()
    vms = s.IntegerField(read_only=True)
    snapshots = s.IntegerField(read_only=True)
    backups = s.IntegerField(read_only=True)
    real_vms = s.IntegerField(read_only=True)
Ejemplo n.º 20
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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 21
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class NetworkVmMonHistorySerializer(MonHistorySerializer):
    """
    Used by VmHistoryView to validate nic_id value.
    """
    nic_id = s.IntegerField(required=True, min_value=NIC_ID_MIN + 1, max_value=NIC_ID_MAX + 1)

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

        try:
            self.item_id = self.obj.get_real_nic_id(self.obj.json_active_get_nics()[nic_id - 1])
        except IndexError:
            raise s.ValidationError(_('NIC ID not defined on VM.'))

        return attrs
Ejemplo n.º 22
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class ExtendedVmSerializer(VmSerializer):
    """
    Extended VM details (read-only)
    """
    extra_select = frozendict({
        'snapshots':
        '''SELECT COUNT(*) FROM "vms_snapshot" WHERE "vms_vm"."uuid" = "vms_snapshot"."vm_id"''',
        'backups':
        '''SELECT COUNT(*) FROM "vms_backup" WHERE "vms_vm"."uuid" = "vms_backup"."vm_id"''',
        'snapshot_define_active':
        '''SELECT COUNT(*) FROM "vms_snapshotdefine"
    LEFT OUTER JOIN "djcelery_periodictask" ON ("vms_snapshotdefine"."periodic_task_id" = "djcelery_periodictask"."id")
    WHERE "vms_snapshotdefine"."vm_id" = "vms_vm"."uuid" AND "djcelery_periodictask"."enabled" = True''',
        'snapshot_define_inactive':
        '''SELECT COUNT(*) FROM "vms_snapshotdefine"
    LEFT OUTER JOIN "djcelery_periodictask" ON ("vms_snapshotdefine"."periodic_task_id" = "djcelery_periodictask"."id")
    WHERE "vms_snapshotdefine"."vm_id" = "vms_vm"."uuid" AND "djcelery_periodictask"."enabled" = False''',
        'backup_define_active':
        '''SELECT COUNT(*) FROM "vms_backupdefine"
    LEFT OUTER JOIN "djcelery_periodictask" ON ("vms_backupdefine"."periodic_task_id" = "djcelery_periodictask"."id")
    WHERE "vms_backupdefine"."vm_id" = "vms_vm"."uuid" AND "djcelery_periodictask"."enabled" = True''',
        'backup_define_inactive':
        '''SELECT COUNT(*) FROM "vms_backupdefine"
    LEFT OUTER JOIN "djcelery_periodictask" ON ("vms_backupdefine"."periodic_task_id" = "djcelery_periodictask"."id")
    WHERE "vms_backupdefine"."vm_id" = "vms_vm"."uuid" AND "djcelery_periodictask"."enabled" = False''',
        'slaves':
        '''SELECT COUNT(*) FROM "vms_slavevm" WHERE "vms_vm"."uuid" = "vms_slavevm"."master_vm_id"''',
    })

    tags = s.TagField(required=False, default=[])
    snapshot_define_inactive = s.IntegerField(read_only=True)
    snapshot_define_active = s.IntegerField(read_only=True)
    snapshots = s.IntegerField(read_only=True)
    backup_define_inactive = s.IntegerField(read_only=True)
    backup_define_active = s.IntegerField(read_only=True)
    backups = s.IntegerField(read_only=True)
    slaves = s.IntegerField(read_only=True)
    size_snapshots = s.IntegerField(read_only=True)
    size_backups = s.IntegerField(read_only=True)
Ejemplo n.º 23
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class DiskVmMonHistorySerializer(MonHistorySerializer):
    """
    Used by VmHistoryView to validate disk_id value.
    """
    disk_id = s.IntegerField(required=True, min_value=DISK_ID_MIN + 1, max_value=DISK_ID_MAX + 1)

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

        try:
            self.item_id = disk_id - 1  # KVM IO templates are using "array_disk_id"
            self.obj.get_real_disk_id(self.obj.json_active_get_disks()[self.item_id])
        except IndexError:
            raise s.ValidationError(_('Disk ID not defined on VM.'))

        return attrs
Ejemplo n.º 24
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class SliverDefaultsSerializer(serializers.ModelSerializer):
    instance_sn = serializers.IntegerField(read_only=True)
    data_uri = FakeFileField(field='data', required=False)
    template = serializers.RelHyperlinkedRelatedField(view_name='template-detail')
    # FIXME refactor move to resources app when api.aggregate supports nested serializers
    if is_installed('resources'):
        from resources.serializers import ResourceReqSerializer
        resources = ResourceReqSerializer(source='slice_resources', many=True, required=False)

    class Meta:
        model = SliverDefaults
        exclude = ('id', 'slice', 'data')
    
    def to_native(self, obj):
        """ hack for implementing dynamic file_uri's on FakeFile """
        self.__object__ = obj
        return super(SliverDefaultsSerializer, self).to_native(obj)
Ejemplo n.º 25
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class NodeCreateSerializer(serializers.UriHyperlinkedModelSerializer):
    id = serializers.Field()
    properties = serializers.PropertyField()
    arch = serializers.ChoiceField(choices=settings.NODES_NODE_ARCHS, required=True)
    slivers = serializers.RelHyperlinkedRelatedField(many=True, read_only=True,
        view_name='sliver-detail')
    direct_ifaces = DirectIfaceSerializer(required=False, many=True, allow_add_remove=True)
    cert = serializers.Field(source='api.cert')
    boot_sn = serializers.IntegerField(read_only=True)
    api = NodeApiSerializer(required=False)
    
    class Meta:
        model = Node
        exclude = ('set_state',) + FW_CONFIG_FIELDS

    def get_fields(self, *args, **kwargs):
        """
        Filter groups: the user creating this node must be a
        group or node administrator of this group, and the group
        must have node creation allowed (/allow_nodes=true).
        
        """
        fields = super(NodeCreateSerializer, self).get_fields(*args, **kwargs)
        try:
            user = self.context['view'].request.user
        except KeyError: # avoid error when used out of Rest API
            return fields
        queryset = fields['group'].queryset
        if not user.is_superuser:
            msg = " Check if you have group or node administrator roles at the provided group."
            fields['group'].error_messages['does_not_exist'] += msg
            # bug #321: filter by user.id (None for Anonymous users)
            fields['group'].queryset = queryset.filter(
                Q(roles__is_group_admin=True) | Q(roles__is_node_admin=True),
                allow_nodes=True, roles__user=user.id)
        return fields
    
    def validate_tinc(self, attrs, source):
        from tinc.serializers import validate_tinc
        return validate_tinc(self, attrs, source)
Ejemplo n.º 26
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class ExtendedDcNodeStorageSerializer(DcNodeStorageSerializer):
    size_vms = s.IntegerField(read_only=True, source='size_dc_vms')
    size_snapshots = s.IntegerField(read_only=True, source='size_dc_snapshots')
    size_backups = s.IntegerField(read_only=True, source='size_dc_backups')
Ejemplo n.º 27
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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 28
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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 29
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 30
0
class ExtendedBackupDefineSerializer(BackupDefineSerializer):
    """Add backup count to BackupDefineSerializer"""
    backups = s.IntegerField(read_only=True)