perf: 优化自定义平台和 applet 导入

apps/assets/migrations/0028_protocol.py

@@ -1,12 +1,12 @@
 # Generated by Django 2.1.7 on 2019-05-22 02:58
 
+import uuid
+
 import django.core.validators
 from django.db import migrations, models
-import uuid
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
         ('assets', '0027_auto_20190521_1703'),
     ]
@@ -16,8 +16,12 @@ class Migration(migrations.Migration):
             name='Protocol',
             fields=[
                 ('id', models.UUIDField(default=uuid.uuid4, primary_key=True, serialize=False)),
-                ('name', models.CharField(choices=[('ssh', 'ssh'), ('rdp', 'rdp'), ('telnet', 'telnet (beta)'), ('vnc', 'vnc')], default='ssh', max_length=16, verbose_name='Name')),
-                ('port', models.IntegerField(default=22, validators=[django.core.validators.MaxValueValidator(65535), django.core.validators.MinValueValidator(1)], verbose_name='Port')),
+                ('name',
+                 models.CharField(choices=[('ssh', 'ssh'), ('rdp', 'rdp'), ('telnet', 'telnet (beta)'), ('vnc', 'vnc')],
+                                  default='ssh', max_length=16, verbose_name='Name')),
+                ('port', models.IntegerField(default=22, validators=[django.core.validators.MaxValueValidator(65535),
+                                                                     django.core.validators.MinValueValidator(0)],
+                                             verbose_name='Port')),
             ],
         ),
         migrations.AddField(

apps/assets/serializers/asset/common.py

@@ -28,7 +28,7 @@ __all__ = [
 
 
 class AssetProtocolsSerializer(serializers.ModelSerializer):
-    port = serializers.IntegerField(required=False, allow_null=True, max_value=65535, min_value=1)
+    port = serializers.IntegerField(required=False, allow_null=True, max_value=65535, min_value=0)
 
     def to_file_representation(self, data):
         return '{name}/{port}'.format(**data)
@@ -259,8 +259,8 @@ class AssetSerializer(BulkOrgResourceModelSerializer, WritableNestedModelSeriali
         protocols_data_map = {p['name']: p for p in protocols_data}
         for p in protocols_data:
             port = p.get('port', 0)
-            if port < 1 or port > 65535:
-                error = p.get('name') + ': ' + _("port out of range (1-65535)")
+            if port < 0 or port > 65535:
+                error = p.get('name') + ': ' + _("port out of range (0-65535)")
                 raise serializers.ValidationError(error)
 
         protocols_required, protocols_default = self._get_protocols_required_default()

apps/assets/serializers/asset/custom.py

@@ -1,22 +1,32 @@
 from django.db.models import QuerySet
 from django.utils.translation import gettext_lazy as _
+from rest_framework import serializers
 
 from assets.models import Custom, Platform, Asset
 from common.const import UUID_PATTERN
-from common.serializers import MethodSerializer, create_serializer_class
-from common.serializers.common import DictSerializer
+from common.serializers import create_serializer_class
+from common.serializers.common import DictSerializer, MethodSerializer
 from .common import AssetSerializer
 
 __all__ = ['CustomSerializer']
 
 
+class CustomInfoSerializer(serializers.Serializer):
+    name = serializers.CharField(required=False)
+
+
 class CustomSerializer(AssetSerializer):
-    custom_info = MethodSerializer(label=_('Custom info'))
+    custom_info = MethodSerializer(label=_('Custom info'), required=False, allow_null=True)
 
     class Meta(AssetSerializer.Meta):
         model = Custom
         fields = AssetSerializer.Meta.fields + ['custom_info']
 
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        if hasattr(self, 'initial_data') and not self.initial_data.get('custom_info'):
+            self.initial_data['custom_info'] = {}
+
     def get_custom_info_serializer(self):
         request = self.context.get('request')
         default_field = DictSerializer()

apps/common/serializers/common.py

@@ -14,7 +14,7 @@ __all__ = [
     'MethodSerializer', 'EmptySerializer', 'BulkModelSerializer',
     'AdaptedBulkListSerializer', 'CeleryTaskExecutionSerializer',
     'WritableNestedModelSerializer', 'GroupedChoiceSerializer',
-    'FileSerializer'
+    'FileSerializer', 'DictSerializer'
 ]
 
 

apps/terminal/models/applet/applet.py

@@ -10,6 +10,7 @@ from django.db import models
 from django.utils.translation import gettext_lazy as _
 from rest_framework.serializers import ValidationError
 
+from assets.models import Platform
 from common.db.models import JMSBaseModel
 from common.utils import lazyproperty, get_logger
 from common.utils.yml import yaml_load_with_i18n
@@ -91,8 +92,7 @@ class Applet(JMSBaseModel):
             raise ValidationError({'error': 'Missing name in manifest.yml'})
         return manifest
 
-    @classmethod
-    def load_platform_if_need(cls, d):
+    def load_platform_if_need(self, d):
         from assets.serializers import PlatformSerializer
         from assets.const import CustomTypes
 
@@ -109,16 +109,21 @@ class Applet(JMSBaseModel):
 
         try:
             tp = data['type']
+            platform_name = data['name']
         except KeyError:
             raise ValidationError({'error': _('Missing type in platform.yml')})
 
         if not data.get('automation'):
             data['automation'] = CustomTypes._get_automation_constrains()['*']
 
-        s = PlatformSerializer(data=data)
+        created_by = 'Applet:{}'.format(self.name)
+        instance = Platform.objects.filter(name=platform_name, created_by=created_by).first()
+        s = PlatformSerializer(data=data, instance=instance)
         s.add_type_choices(tp, tp)
         s.is_valid(raise_exception=True)
-        s.save()
+        p = s.save()
+        p.created_by = created_by
+        p.save(update_fields=['created_by'])
 
     @classmethod
     def install_from_dir(cls, path, builtin=True):
@@ -129,9 +134,8 @@ class Applet(JMSBaseModel):
         instance = cls.objects.filter(name=name).first()
         serializer = AppletSerializer(instance=instance, data=manifest)
         serializer.is_valid()
-        serializer.save(builtin=builtin)
-
-        cls.load_platform_if_need(path)
+        instance = serializer.save(builtin=builtin)
+        instance.load_platform_if_need(path)
 
         pkg_path = default_storage.path('applets/{}'.format(name))
         if os.path.exists(pkg_path):
@@ -157,6 +161,11 @@ class Applet(JMSBaseModel):
             cache.set(prefer_key, host.id, timeout=None)
         return host
 
+    def get_related_platform(self):
+        created_by = 'Applet:{}'.format(self.name)
+        platform = Platform.objects.filter(created_by=created_by).first()
+        return platform
+
     @staticmethod
     def random_select_prefer_account(user, host, accounts):
         msg = 'Applet host remain public accounts: {}: {}'.format(host.name, len(accounts))
@@ -197,7 +206,8 @@ class Applet(JMSBaseModel):
             if private_account and private_account.username not in accounts_username_used:
                 account = private_account
             else:
-                accounts = accounts.exclude(username__in=accounts_username_used).filter(username__startswith='jms_')
+                accounts = accounts.exclude(username__in=accounts_username_used) \
+                    .filter(username__startswith='jms_')
                 account = self.random_select_prefer_account(user, host, accounts)
                 if not account:
                     return
@@ -212,6 +222,12 @@ class Applet(JMSBaseModel):
             'ttl': ttl
         }
 
+    def delete(self, using=None, keep_parents=False):
+        platform = self.get_related_platform()
+        if platform and platform.assets.count() == 0:
+            platform.delete()
+        return super().delete(using, keep_parents)
+
 
 class AppletPublication(JMSBaseModel):
     applet = models.ForeignKey('Applet', on_delete=models.CASCADE, related_name='publications',