jumpserver/apps/terminal/serializers/terminal.py

136 lines
4.6 KiB
Python

from rest_framework import serializers
from django.utils.translation import ugettext_lazy as _
from common.drf.serializers import BulkModelSerializer
from common.drf.fields import LabeledChoiceField
from common.utils import get_request_ip, pretty_string, is_uuid
from users.serializers import ServiceAccountSerializer
from .. import const
from ..models import Terminal, Status, Task, CommandStorage, ReplayStorage
class StatSerializer(serializers.ModelSerializer):
sessions = serializers.ListSerializer(
child=serializers.CharField(max_length=36),
write_only=True
)
class Meta:
model = Status
fields_mini = ['id']
fields_write_only = ['sessions', ]
fields_small = fields_mini + fields_write_only + [
'cpu_load', 'memory_used', 'disk_used',
'session_online', 'date_created'
]
fields_fk = ['terminal']
fields = fields_small + fields_fk
extra_kwargs = {
"cpu_load": {'default': 0},
"memory_used": {'default': 0},
"disk_used": {'default': 0},
}
class TerminalSerializer(BulkModelSerializer):
session_online = serializers.ReadOnlyField(source='get_online_session_count')
is_alive = serializers.BooleanField(read_only=True)
is_active = serializers.BooleanField(read_only=True, label='Is active')
load = LabeledChoiceField(
read_only=True, choices=const.ComponentLoad.choices,
label=_('Load status')
)
stat = StatSerializer(read_only=True, source='last_stat')
class Meta:
model = Terminal
fields_mini = ['id', 'name']
fields_small = fields_mini + [
'type', 'remote_addr', 'session_online',
'command_storage', 'replay_storage',
'is_active', 'is_alive',
'date_created', 'comment',
]
fields_fk = ['load', 'stat']
fields = fields_small + fields_fk
read_only_fields = ['type', 'date_created']
extra_kwargs = {
'command_storage': {'required': True, },
'replay_storage': {'required': True, },
}
@staticmethod
def get_kwargs_may_be_uuid(value):
kwargs = {}
if is_uuid(value):
kwargs['id'] = value
else:
kwargs['name'] = value
return kwargs
def validate_command_storage(self, value):
kwargs = self.get_kwargs_may_be_uuid(value)
storage = CommandStorage.objects.filter(**kwargs).first()
if storage:
return storage.name
else:
raise serializers.ValidationError(_('Not found'))
def validate_replay_storage(self, value):
kwargs = self.get_kwargs_may_be_uuid(value)
storage = ReplayStorage.objects.filter(**kwargs).first()
if storage:
return storage.name
else:
raise serializers.ValidationError(_('Not found'))
class TaskSerializer(BulkModelSerializer):
class Meta:
fields = '__all__'
model = Task
ref_name = 'TerminalTaskSerializer'
class TerminalRegistrationSerializer(serializers.ModelSerializer):
service_account = ServiceAccountSerializer(read_only=True)
class Meta:
model = Terminal
fields = ['name', 'type', 'comment', 'service_account', 'remote_addr']
extra_kwargs = {
'name': {'max_length': 1024},
'remote_addr': {'read_only': True}
}
def is_valid(self, raise_exception=False):
valid = super().is_valid(raise_exception=raise_exception)
if not valid:
return valid
raw_name = self.validated_data.get('name')
name = pretty_string(raw_name)
self.validated_data['name'] = name
if len(raw_name) > 128:
self.validated_data['comment'] = raw_name
data = {'name': name}
kwargs = {'data': data}
if self.instance and self.instance.user:
kwargs['instance'] = self.instance.user
self.service_account = ServiceAccountSerializer(**kwargs)
valid = self.service_account.is_valid(raise_exception=True)
return valid
def create(self, validated_data):
instance = super().create(validated_data)
request = self.context.get('request')
instance.is_accepted = True
if request:
instance.remote_addr = get_request_ip(request)
sa = self.service_account.create(validated_data)
sa.system_roles.add_role_system_component()
instance.user = sa
instance.command_storage = CommandStorage.default().name
instance.replay_storage = ReplayStorage.default().name
instance.save()
return instance