Example #1
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
Example #2
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
Example #3
0
class NetworkSerializer(s.ConditionalDCBoundSerializer):
    """
    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', 'vxlan_id', 'mtu')
    _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\._-]*$',
                        min_length=3,
                        max_length=32)
    uuid = s.CharField(read_only=True)
    alias = s.SafeCharField(max_length=32)
    owner = s.SlugRelatedField(slug_field='username',
                               queryset=User.objects,
                               required=False)
    access = s.IntegerChoiceField(choices=Subnet.ACCESS,
                                  default=Subnet.PRIVATE)
    desc = s.SafeCharField(max_length=128, required=False)
    network = s.IPAddressField()
    netmask = s.IPAddressField()
    gateway = s.IPAddressField(required=False)  # can be null
    nic_tag = s.ChoiceField()
    nic_tag_type = s.CharField(read_only=True)
    vlan_id = s.IntegerField(min_value=0, max_value=4096)
    vxlan_id = s.IntegerField(min_value=1, max_value=16777215,
                              required=False)  # (2**24 - 1) based on RFC 7348
    mtu = s.IntegerField(min_value=576, max_value=9000,
                         required=False)  # values from man vmadm
    resolvers = s.IPAddressArrayField(source='resolvers_api',
                                      required=False,
                                      max_items=8)
    dns_domain = s.RegexField(r'^[A-Za-z0-9][A-Za-z0-9\._-]*$',
                              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)
    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 = Node.all_nictags_choices()

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

    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):  # noqa: R701
        try:
            network = attrs['network']
        except KeyError:
            network = self.object.network

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

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

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

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

        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.'))

        nic_tag_type = Node.all_nictags()[nic_tag]
        # retrieve all available nictags and see what is the type of the current nic tag
        # if type is overlay then vxlan is mandatory argument
        if nic_tag_type == 'overlay rule':
            if not vxlan_id:
                self._errors['vxlan_id'] = s.ErrorList([
                    _('VXLAN ID is required when an '
                      'overlay NIC tag is selected.')
                ])
        else:
            attrs['vxlan_id'] = None

        # validate MTU for overlays and etherstubs, and physical nics
        if nic_tag_type == 'overlay rule':
            # if MTU was not set for the overlay
            if not mtu:
                attrs['mtu'] = 1400

            if mtu > 8900:
                self._errors['mtu'] = s.ErrorList([
                    s.IntegerField.default_error_messages['max_value'] % {
                        'limit_value': 8900
                    }
                ])

        if nic_tag_type in ('normal', 'aggr') and mtu and mtu < 1500:
            self._errors['mtu'] = s.ErrorList([
                s.IntegerField.default_error_messages['min_value'] % {
                    'limit_value': 1500
                }
            ])

        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.')])

            if dc_settings.VMS_NET_VXLAN_RESTRICT and vxlan_id not in dc_settings.VMS_NET_VXLAN_ALLOWED:
                self._errors['vxlan_id'] = s.ErrorList(
                    [_('VXLAN ID is not available in datacenter.')])

        return super(NetworkSerializer, self).validate(attrs)

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