feat(applications): 添加 k8s 应用

apps/perms/models/k8s_app_permission.py

@@ -0,0 +1,39 @@
+# coding: utf-8
+# 
+
+from django.db import models
+from django.utils.translation import ugettext_lazy as _
+
+from common.utils import lazyproperty
+from .base import BasePermission
+
+__all__ = [
+    'K8sAppPermission',
+]
+
+
+class K8sAppPermission(BasePermission):
+    k8s_apps = models.ManyToManyField(
+        'applications.K8sApp', related_name='granted_by_permissions',
+        blank=True, verbose_name=_("KubernetesApp")
+    )
+    system_users = models.ManyToManyField(
+        'assets.SystemUser', related_name='granted_by_k8s_app_permissions',
+        verbose_name=_("System user")
+    )
+
+    class Meta:
+        unique_together = [('org_id', 'name')]
+        verbose_name = _('KubernetesApp permission')
+        ordering = ('name',)
+
+    def get_all_k8s_apps(self):
+        return self.k8s_apps.all()
+
+    @lazyproperty
+    def k8s_apps_amount(self):
+        return self.k8s_apps.count()
+
+    @lazyproperty
+    def system_users_amount(self):
+        return self.system_users.count()