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104 lines
3.9 KiB
104 lines
3.9 KiB
import os
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import shutil
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from django.conf import settings
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from django.core.files.storage import default_storage
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from django.db import models
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from django.utils._os import safe_join
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from django.utils.translation import gettext_lazy as _
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from rest_framework.serializers import ValidationError
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from common.db.models import JMSBaseModel
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from common.utils import lazyproperty
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from common.utils.yml import yaml_load_with_i18n
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__all__ = ['VirtualApp', 'VirtualAppPublication']
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class VirtualApp(JMSBaseModel):
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name = models.SlugField(max_length=128, verbose_name=_('Name'), unique=True)
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display_name = models.CharField(max_length=128, verbose_name=_('Display name'))
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version = models.CharField(max_length=16, verbose_name=_('Version'))
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author = models.CharField(max_length=128, verbose_name=_('Author'))
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is_active = models.BooleanField(default=True, verbose_name=_('Is active'))
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protocols = models.JSONField(default=list, verbose_name=_('Protocol'))
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image_name = models.CharField(max_length=128, verbose_name=_('Image name'))
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image_protocol = models.CharField(max_length=16, default='vnc', verbose_name=_('Image protocol'))
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image_port = models.IntegerField(default=5900, verbose_name=_('Image port'))
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comment = models.TextField(default='', blank=True, verbose_name=_('Comment'))
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tags = models.JSONField(default=list, verbose_name=_('Tags'))
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providers = models.ManyToManyField(
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through_fields=('app', 'provider',), through='VirtualAppPublication',
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to='AppProvider', verbose_name=_('Providers')
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)
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class Meta:
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verbose_name = _('Virtual app')
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def __str__(self):
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return self.name
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@property
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def path(self):
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return default_storage.path('virtual_apps/{}'.format(self.name))
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@lazyproperty
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def readme(self):
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readme_file = os.path.join(self.path, 'README.md')
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if os.path.isfile(readme_file):
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with open(readme_file, 'r') as f:
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return f.read()
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return ''
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@property
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def icon(self):
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path = os.path.join(self.path, 'icon.png')
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if not os.path.exists(path):
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return None
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return os.path.join(settings.MEDIA_URL, 'virtual_apps', self.name, 'icon.png')
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@staticmethod
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def validate_pkg(d):
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files = ['manifest.yml', 'icon.png', ]
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for name in files:
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path = safe_join(d, name)
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if not os.path.exists(path):
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raise ValidationError({'error': _('Applet pkg not valid, Missing file {}').format(name)})
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with open(safe_join(d, 'manifest.yml'), encoding='utf8') as f:
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manifest = yaml_load_with_i18n(f)
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if not manifest.get('name', ''):
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raise ValidationError({'error': 'Missing name in manifest.yml'})
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return manifest
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@classmethod
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def install_from_dir(cls, path):
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from terminal.serializers import VirtualAppSerializer
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manifest = cls.validate_pkg(path)
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name = manifest['name']
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instance = cls.objects.filter(name=name).first()
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serializer = VirtualAppSerializer(instance=instance, data=manifest)
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serializer.is_valid(raise_exception=True)
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instance = serializer.save()
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pkg_path = default_storage.path('virtual_apps/{}'.format(name))
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if os.path.exists(pkg_path):
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shutil.rmtree(pkg_path)
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shutil.copytree(path, pkg_path)
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return instance, serializer
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class VirtualAppPublication(JMSBaseModel):
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provider = models.ForeignKey(
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'AppProvider', on_delete=models.CASCADE, related_name='publications', verbose_name=_('App Provider')
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)
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app = models.ForeignKey(
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'VirtualApp', on_delete=models.CASCADE, related_name='publications', verbose_name=_('Virtual app')
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)
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status = models.CharField(max_length=16, default='pending', verbose_name=_('Status'))
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class Meta:
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verbose_name = _('Virtual app publication')
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unique_together = ('provider', 'app')
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