stash it

apps/assets/api/asset/common.py

@@ -12,7 +12,6 @@ from assets.models import Asset, Node, Gateway
 from assets import serializers
 from assets.tasks import (
     update_assets_hardware_info_manual, test_assets_connectivity_manual,
-    test_system_users_connectivity_a_asset, push_system_users_a_asset
 )
 from assets.filters import FilterAssetByNodeFilterBackend, LabelFilterBackend, IpInFilterBackend
 

apps/assets/migrations/0090_add_host.py

@@ -1,20 +0,0 @@
-# Generated by Django 3.1.14 on 2022-03-30 10:35
-
-from django.db import migrations, models
-import django.db.models.deletion
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('assets', '0089_auto_20220310_0616'),
-    ]
-
-    operations = [
-        migrations.CreateModel(
-            name='Host',
-            fields=[
-                ('asset_ptr', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, primary_key=True, serialize=False, to='assets.asset')),
-            ],
-        ),
-    ]

apps/assets/migrations/0091_auto_20220401_1558.py

@@ -1,40 +0,0 @@
-# Generated by Django 3.1.14 on 2022-04-01 07:58
-
-from django.db import migrations, models
-import django.db.models.deletion
-
-
-def migrate_to_host(apps, schema_editor):
-    asset_model = apps.get_model("assets", "Asset")
-    host_model = apps.get_model("assets", 'Host')
-    db_alias = schema_editor.connection.alias
-
-    created = 0
-    batch_size = 1000
-
-    while True:
-        start = created
-        end = created + batch_size
-        assets = asset_model.objects.using(db_alias).all()[start:end]
-        if not assets:
-            break
-
-        hosts = [host_model(asset_ptr=asset) for asset in assets]
-        host_model.objects.using(db_alias).bulk_create(hosts, ignore_conflicts=True)
-        created += len(hosts)
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('assets', '0090_add_host'),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name='host',
-            name='asset_ptr',
-            field=models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='assets.asset'),
-        ),
-        migrations.RunPython(migrate_to_host)
-    ]

apps/assets/migrations/0092_add_host.py

@@ -1,17 +1,23 @@
-# Generated by Django 3.1.14 on 2022-04-02 09:09
+# Generated by Django 3.1.14 on 2022-03-30 10:35
 
+import uuid
 from django.db import migrations, models
 import django.db.models.deletion
-import uuid
 
 
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('assets', '0091_auto_20220401_1558'),
+        ('assets', '0091_auto_20220629_1826'),
     ]
 
     operations = [
+        migrations.CreateModel(
+            name='Host',
+            fields=[
+                ('asset_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='assets.asset')),
+            ],
+        ),
         migrations.CreateModel(
             name='DeviceInfo',
             fields=[

apps/assets/migrations/0093_auto_20220403_1627.py

@@ -41,12 +41,33 @@ def migrate_hardware(apps, *args):
         created += len(hardware_infos)
 
 
+def migrate_to_host(apps, schema_editor):
+    asset_model = apps.get_model("assets", "Asset")
+    host_model = apps.get_model("assets", 'Host')
+    db_alias = schema_editor.connection.alias
+
+    created = 0
+    batch_size = 1000
+
+    while True:
+        start = created
+        end = created + batch_size
+        assets = asset_model.objects.using(db_alias).all()[start:end]
+        if not assets:
+            break
+
+        hosts = [host_model(asset_ptr=asset) for asset in assets]
+        host_model.objects.using(db_alias).bulk_create(hosts, ignore_conflicts=True)
+        created += len(hosts)
+
+
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('assets', '0092_hardware'),
+        ('assets', '0092_add_host'),
     ]
 
     operations = [
-        migrations.RunPython(migrate_hardware)
+        migrations.RunPython(migrate_to_host),
+        migrations.RunPython(migrate_hardware),
     ]

apps/assets/migrations/0094_alter_systemuser_assets.py.bak

@@ -1,22 +0,0 @@
-# Generated by Django 3.2.12 on 2022-07-13 09:38
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('assets', '0093_auto_20220711_1413'),
-    ]
-
-    operations = [
-        migrations.RemoveField(
-            model_name='systemuser',
-            name='assets',
-        ),
-        migrations.AddField(
-            model_name='systemuser',
-            name='assets',
-            field=models.ManyToManyField(blank=True, related_name='system_users', to='assets.Asset', verbose_name='Assets'),
-        ),
-    ]

apps/assets/migrations/0094_auto_20220803_1448.py

@@ -1,16 +0,0 @@
-# Generated by Django 3.2.14 on 2022-08-03 06:48
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('assets', '0093_auto_20220711_1413'),
-    ]
-
-    operations = [
-        migrations.DeleteModel(
-            name='Cluster',
-        ),
-    ]

apps/assets/migrations/0095_auto_20220713_1746.py.bak

@@ -1,45 +0,0 @@
-# Generated by Django 3.2.12 on 2022-07-13 09:46
-
-import time
-from django.db import migrations
-
-
-def migrate_asset_system_user_relations(apps, schema_editor):
-    system_user_model = apps.get_model('assets', 'SystemUser')
-    old_model = apps.get_model('assets', 'AuthBook')
-    new_model = system_user_model.assets.through
-
-    count = 0
-    bulk_size = 1000
-    print("\nStart migrate asset system user relations")
-    while True:
-        start = time.time()
-        auth_books = old_model.objects.only('asset_id', 'systemuser_id')[count:count+bulk_size]
-        auth_books = list(auth_books)
-        count += len(auth_books)
-        if not auth_books:
-            break
-        asset_system_users = []
-        for auth_book in auth_books:
-            if not auth_book.asset_id or not auth_book.systemuser_id:
-                continue
-            asset_system_user = new_model(
-                asset_id=auth_book.asset_id,
-                systemuser_id=auth_book.systemuser_id
-            )
-            asset_system_users.append(asset_system_user)
-        new_model.objects.bulk_create(asset_system_users, ignore_conflicts=True)
-        print("Create asset system user relations: {}-{} using: {:.2f}s".format(
-            count - bulk_size, count, time.time()-start
-        ))
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('assets', '0094_alter_systemuser_assets'),
-    ]
-
-    operations = [
-        migrations.RunPython(migrate_asset_system_user_relations)
-    ]

apps/assets/migrations/0096_auto_20220714_1627.py.bak

@@ -1,23 +0,0 @@
-# Generated by Django 3.2.12 on 2022-07-14 08:27
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('assets', '0095_auto_20220713_1746'),
-    ]
-
-    operations = [
-        migrations.RenameField(
-            model_name='systemuser',
-            old_name='auto_push',
-            new_name='auto_push_account',
-        ),
-        migrations.AddField(
-            model_name='systemuser',
-            name='account_template_enabled',
-            field=models.BooleanField(default=False, verbose_name='Auto account if not exist'),
-        ),
-    ]

apps/assets/migrations/0101_auto_20220711_1409.py

@@ -13,7 +13,7 @@ class Migration(migrations.Migration):
 
     dependencies = [
         migrations.swappable_dependency(settings.AUTH_USER_MODEL),
-        ('assets', '0091_auto_20220629_1826'),
+        ('assets', '0100_auto_20220430_2126'),
     ]
 
     operations = [

apps/assets/migrations/0102_auto_20220711_1413.py

@@ -57,7 +57,7 @@ def migrate_accounts(apps, schema_editor):
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('assets', '0092_auto_20220711_1409'),
+        ('assets', '0101_auto_20220711_1409'),
     ]
 
     operations = [

apps/assets/migrations/0103_auto_20220803_1448.py

@@ -0,0 +1,51 @@
+# Generated by Django 3.2.14 on 2022-08-03 10:14
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('assets', '0102_auto_20220711_1413'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Protocol',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=32, verbose_name='Name')),
+                ('port', models.IntegerField(verbose_name='Port')),
+            ],
+        ),
+        migrations.RemoveField(
+            model_name='asset',
+            name='port',
+        ),
+        migrations.RemoveField(
+            model_name='asset',
+            name='protocol',
+        ),
+        migrations.AddField(
+            model_name='asset',
+            name='_protocols',
+            field=models.CharField(blank=True, default='ssh/22', max_length=128, verbose_name='Protocols'),
+        ),
+        migrations.RemoveField(
+            model_name='asset',
+            name='protocols',
+        ),
+        migrations.AlterField(
+            model_name='systemuser',
+            name='protocol',
+            field=models.CharField(default='ssh', max_length=16, verbose_name='Protocol'),
+        ),
+        migrations.AddField(
+            model_name='asset',
+            name='protocols',
+            field=models.ManyToManyField(blank=True, to='assets.Protocol', verbose_name='Protocols'),
+        ),
+        migrations.DeleteModel(
+            name='Cluster',
+        ),
+    ]

apps/assets/migrations/0104_auto_20220803_1859.py

@@ -0,0 +1,42 @@
+# Generated by Django 3.2.14 on 2022-08-03 10:59
+import time
+from django.db import migrations
+
+
+def migrate_asset_protocols(apps, schema_editor):
+    asset_model = apps.get_model('assets', 'Asset')
+    protocol_model = apps.get_model('assets', 'Protocol')
+
+    count = 0
+    bulk_size = 1000
+    print("\nStart migrate asset protocols")
+    while True:
+        start = time.time()
+        assets = asset_model.objects.all()[count:count+bulk_size]
+        count += len(assets)
+        if not assets:
+            break
+
+        protocols = []
+        for asset in assets:
+            for protocol in asset.protocols.all():
+                protocols.append(protocol_model(
+                    asset_id=asset.id,
+                    protocol=protocol.protocol,
+                    port=protocol.port,
+                ))
+        protocol_model.objects.bulk_create(protocols, ignore_conflicts=True)
+        print("Create asset protocols: {}-{} using: {:.2f}s".format(
+            count - bulk_size, count, time.time()-start
+        ))
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('assets', '0103_auto_20220803_1448'),
+    ]
+
+    operations = [
+        migrations.RunPython(migrate_asset_protocols)
+    ]

apps/assets/models/_user.py

@@ -41,7 +41,7 @@ class SystemUser(ProtocolMixin, BaseUser):
     groups = models.ManyToManyField('users.UserGroup', blank=True, verbose_name=_("User groups"))
     type = models.CharField(max_length=16, choices=Type.choices, default=Type.common, verbose_name=_('Type'))
     priority = models.IntegerField(default=81, verbose_name=_("Priority"), help_text=_("1-100, the lower the value will be match first"), validators=[MinValueValidator(1), MaxValueValidator(100)])
-    protocol = models.CharField(max_length=16, choices=ProtocolMixin.Protocol.choices, default='ssh', verbose_name=_('Protocol'))
+    protocol = models.CharField(max_length=16, default='ssh', verbose_name=_('Protocol'))
     auto_push = models.BooleanField(default=True, verbose_name=_('Auto push'))
     sudo = models.TextField(default='/bin/whoami', verbose_name=_('Sudo'))
     shell = models.CharField(max_length=64,  default='/bin/bash', verbose_name=_('Shell'))

apps/assets/models/asset/common.py

@@ -5,19 +5,17 @@
 import uuid
 import logging
 from functools import reduce
-from collections import OrderedDict
 
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 
-from common.db.fields import JsonDictTextField
 from common.utils import lazyproperty
 from orgs.mixins.models import OrgModelMixin, OrgManager
 from assets.const import Category, AllTypes
 from ..platform import Platform
 from ..base import AbsConnectivity
 
-__all__ = ['Asset', 'ProtocolsMixin', 'AssetQuerySet', 'default_node', 'default_cluster']
+__all__ = ['Asset', 'AssetQuerySet', 'default_node']
 logger = logging.getLogger(__name__)
 
 
@@ -45,49 +43,6 @@ class AssetQuerySet(models.QuerySet):
         return self.filter(protocols__contains=name)
 
 
-class ProtocolsMixin:
-    protocols = ''
-
-    class Protocol(models.TextChoices):
-        ssh = 'ssh', 'SSH'
-        rdp = 'rdp', 'RDP'
-        telnet = 'telnet', 'Telnet'
-        vnc = 'vnc', 'VNC'
-
-    @property
-    def protocols_as_list(self):
-        if not self.protocols:
-            return []
-        return self.protocols.split(' ')
-
-    @property
-    def protocols_as_dict(self):
-        d = OrderedDict()
-        protocols = self.protocols_as_list
-        for i in protocols:
-            if '/' not in i:
-                continue
-            name, port = i.split('/')[:2]
-            if not all([name, port]):
-                continue
-            d[name] = int(port)
-        return d
-
-    @property
-    def protocols_as_json(self):
-        return [
-            {"name": name, "port": port}
-            for name, port in self.protocols_as_dict.items()
-        ]
-
-    def has_protocol(self, name):
-        return name in self.protocols_as_dict
-
-    @property
-    def ssh_port(self):
-        return self.protocols_as_dict.get("ssh", 22)
-
-
 class NodesRelationMixin:
     NODES_CACHE_KEY = 'ASSET_NODES_{}'
     ALL_ASSET_NODES_CACHE_KEY = 'ALL_ASSETS_NODES'
@@ -112,17 +67,15 @@ class NodesRelationMixin:
         return nodes
 
 
-class Asset(AbsConnectivity, ProtocolsMixin, NodesRelationMixin, OrgModelMixin):
+class Asset(AbsConnectivity, NodesRelationMixin, OrgModelMixin):
     Category = Category
     id = models.UUIDField(default=uuid.uuid4, primary_key=True)
     hostname = models.CharField(max_length=128, verbose_name=_('Hostname'))
     ip = models.CharField(max_length=128, verbose_name=_('IP'), db_index=True)
     category = models.CharField(max_length=16, choices=Category.choices, verbose_name=_("Category"))
     type = models.CharField(max_length=128, choices=AllTypes.choices, verbose_name=_("Type"))
-    protocol = models.CharField(max_length=128, default=ProtocolsMixin.Protocol.ssh,
+    _protocols = models.CharField(max_length=128, default='ssh/22', blank=True, verbose_name=_("Protocols"))
-                                choices=ProtocolsMixin.Protocol.choices, verbose_name=_('Protocol'))
+    protocols = models.ManyToManyField('Protocol', verbose_name=_("Protocols"), blank=True)
-    port = models.IntegerField(default=22, verbose_name=_('Port'))
-    protocols = models.CharField(max_length=128, default='ssh/22', blank=True, verbose_name=_("Protocols"))
     platform = models.ForeignKey(Platform, default=Platform.default, on_delete=models.PROTECT,
                                  verbose_name=_("Platform"), related_name='assets')
     domain = models.ForeignKey("assets.Domain", null=True, blank=True, related_name='assets',
@@ -134,7 +87,6 @@ class Asset(AbsConnectivity, ProtocolsMixin, NodesRelationMixin, OrgModelMixin):
     # Auth
     admin_user = models.ForeignKey('assets.SystemUser', on_delete=models.SET_NULL, null=True,
                                    verbose_name=_("Admin user"), related_name='admin_assets')
-
     # Some information
     public_ip = models.CharField(max_length=128, blank=True, null=True, verbose_name=_('Public IP'))
     number = models.CharField(max_length=128, null=True, blank=True, verbose_name=_('Asset number'))
@@ -178,55 +130,6 @@ class Asset(AbsConnectivity, ProtocolsMixin, NodesRelationMixin, OrgModelMixin):
         """
         return self.admin_user.username
 
-    def is_windows(self):
-        return self.platform.is_windows()
-
-    def is_unixlike(self):
-        return self.platform.is_unixlike()
-
-    def is_support_ansible(self):
-        return self.has_protocol('ssh') and self.platform_base not in ("Other",)
-
-    def get_auth_info(self, with_become=False):
-        if not self.admin_user:
-            return {}
-
-        if self.is_unixlike() and self.admin_user.su_enabled and self.admin_user.su_from:
-            auth_user = self.admin_user.su_from
-            become_user = self.admin_user
-        else:
-            auth_user = self.admin_user
-            become_user = None
-
-        auth_user.load_asset_special_auth(self)
-        info = {
-            'username': auth_user.username,
-            'password': auth_user.password,
-            'private_key': auth_user.private_key_file
-        }
-
-        if not with_become or self.is_windows():
-            return info
-
-        if become_user:
-            become_user.load_asset_special_auth(self)
-            become_method = 'su'
-            become_username = become_user.username
-            become_pass = become_user.password
-        else:
-            become_method = 'sudo'
-            become_username = 'root'
-            become_pass = auth_user.password
-        become_info = {
-            'become': {
-                'method': become_method,
-                'username': become_username,
-                'pass': become_pass
-            }
-        }
-        info.update(become_info)
-        return info
-
     def nodes_display(self):
         names = []
         for n in self.nodes.all():
@@ -270,7 +173,7 @@ class Asset(AbsConnectivity, ProtocolsMixin, NodesRelationMixin, OrgModelMixin):
                     'id': self.id,
                     'hostname': self.hostname,
                     'ip': self.ip,
-                    'protocols': self.protocols_as_list,
+                    'protocols': self.protocols,
                     'platform': self.platform_base,
                 }
             }

apps/assets/models/protocol.py

@@ -1,10 +1,8 @@
 from django.db import models
 from django.utils.translation import gettext_lazy as _
 
-from common.db.models import JMSBaseModel
 
-
+class Protocol(models.Model):
-class Protocol(JMSBaseModel):
     name = models.CharField(max_length=32, verbose_name=_("Name"))
     port = models.IntegerField(verbose_name=_("Port"))
 

apps/assets/serializers/__init__.py

@@ -3,7 +3,6 @@
 
 from .asset import *
 from .label import *
-from .system_user import *
 from .node import *
 from .domain import *
 from .gathered_user import *

apps/assets/serializers/system_user.py

@@ -1,128 +0,0 @@
-from rest_framework import serializers
-from django.utils.translation import ugettext_lazy as _
-
-from common.validators import alphanumeric_re, alphanumeric_cn_re, alphanumeric_win_re
-from orgs.mixins.serializers import BulkOrgResourceModelSerializer
-
-__all__ = [
-    'SystemUserSerializer', 'MiniSystemUserSerializer',
-    'SystemUserSimpleSerializer',
-]
-
-
-class SystemUserSerializer(BulkOrgResourceModelSerializer):
-    """
-    系统用户
-    """
-
-    class Meta:
-        model = SystemUser
-        fields_mini = ['id', 'name', 'username', 'protocol']
-        fields_small = fields_mini + [
-            'login_mode', 'su_enabled', 'su_from',
-            'date_created', 'date_updated', 'comment',
-            'created_by',
-        ]
-        fields = fields_small
-        extra_kwargs = {
-            'cmd_filters': {"required": False, 'label': _('Command filter')},
-            'login_mode_display': {'label': _('Login mode display')},
-            'created_by': {'read_only': True},
-            'ad_domain': {'required': False, 'allow_blank': True, 'label': _('Ad domain')},
-            'su_from': {'help_text': _('Only ssh and automatic login system users are supported')}
-        }
-
-    def validate_username_same_with_user(self, username_same_with_user):
-        if not username_same_with_user:
-            return username_same_with_user
-        protocol = self.get_initial_value("protocol", "ssh")
-        queryset = SystemUser.objects.filter(
-            protocol=protocol,
-            username_same_with_user=True
-        )
-        if self.instance:
-            queryset = queryset.exclude(id=self.instance.id)
-        exists = queryset.exists()
-        if not exists:
-            return username_same_with_user
-        error = _("Username same with user with protocol {} only allow 1").format(protocol)
-        raise serializers.ValidationError(error)
-
-    def validate_username(self, username):
-        protocol = self.get_initial_value("protocol")
-        if username:
-            if protocol == Protocol.telnet:
-                regx = alphanumeric_cn_re
-            elif protocol == Protocol.rdp:
-                regx = alphanumeric_win_re
-            else:
-                regx = alphanumeric_re
-            if not regx.match(username):
-                raise serializers.ValidationError(_('Special char not allowed'))
-            return username
-
-        username_same_with_user = self.get_initial_value("username_same_with_user")
-        if username_same_with_user:
-            return ''
-
-        login_mode = self.get_initial_value("login_mode")
-        if login_mode == SystemUser.LOGIN_AUTO and protocol != Protocol.vnc \
-                and protocol != Protocol.redis:
-            msg = _('* Automatic login mode must fill in the username.')
-            raise serializers.ValidationError(msg)
-        return username
-
-    @staticmethod
-    def validate_sftp_root(value):
-        if value in ['home', 'tmp']:
-            return value
-        if not value.startswith('/'):
-            error = _("Path should starts with /")
-            raise serializers.ValidationError(error)
-        return value
-
-    def validate_su_from(self, su_from: SystemUser):
-        # self: su enabled
-        su_enabled = self.get_initial_value('su_enabled', default=False)
-        if not su_enabled:
-            return
-        if not su_from:
-            error = _('This field is required.')
-            raise serializers.ValidationError(error)
-        # self: protocol ssh
-        protocol = self.get_initial_value('protocol', default=Protocol.ssh.value)
-        if protocol not in [Protocol.ssh.value]:
-            error = _('Only ssh protocol system users are allowed')
-            raise serializers.ValidationError(error)
-        # su_from: protocol same
-        if su_from.protocol != protocol:
-            error = _('The protocol must be consistent with the current user: {}').format(protocol)
-            raise serializers.ValidationError(error)
-        # su_from: login model auto
-        if su_from.login_mode != su_from.LOGIN_AUTO:
-            error = _('Only system users with automatic login are allowed')
-            raise serializers.ValidationError(error)
-        return su_from
-
-
-class MiniSystemUserSerializer(serializers.ModelSerializer):
-    class Meta:
-        model = SystemUser
-        fields = SystemUserSerializer.Meta.fields_mini
-
-
-class SystemUserSimpleSerializer(serializers.ModelSerializer):
-    """
-    系统用户最基本信息的数据结构
-    """
-
-    class Meta:
-        model = SystemUser
-        fields = ('id', 'name', 'username')
-
-
-class SystemUserTempAuthSerializer(SystemUserSerializer):
-    instance_id = serializers.CharField()
-
-    class Meta(SystemUserSerializer.Meta):
-        fields = ['instance_id', 'username', 'password']

apps/rbac/api/role.py

@@ -4,11 +4,11 @@ from rest_framework.exceptions import PermissionDenied
 from rest_framework.decorators import action
 
 from common.drf.api import JMSModelViewSet
+from common.mixins.api import PaginatedResponseMixin
 from ..filters import RoleFilter
 from ..serializers import RoleSerializer, RoleUserSerializer
 from ..models import Role, SystemRole, OrgRole
 from .permission import PermissionViewSet
-from common.mixins.api import PaginatedResponseMixin
 
 __all__ = [
     'RoleViewSet', 'SystemRoleViewSet', 'OrgRoleViewSet',
@@ -16,7 +16,7 @@ __all__ = [
 ]
 
 
-class RoleViewSet(PaginatedResponseMixin, JMSModelViewSet):
+class RoleViewSet(JMSModelViewSet):
     queryset = Role.objects.all()
     serializer_classes = {
         'default': RoleSerializer,

apps/terminal/migrations/0052_auto_20220707_1726.py

@@ -6,7 +6,7 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('terminal', '0047_auto_20220302_1951'),
+        ('terminal', '0051_sessionsharing_users'),
     ]
 
     operations = [