django-orchestra/orchestra/contrib/saas/services/options.py

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from functools import lru_cache
from urllib.parse import urlparse
from django.core.exceptions import ValidationError, ObjectDoesNotExist
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from django.utils.translation import ugettext_lazy as _
from orchestra import plugins
from orchestra.contrib.databases.models import Database, DatabaseUser
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from orchestra.contrib.orchestration import Operation
from orchestra.contrib.websites.models import Website, WebsiteDirective
from orchestra.utils.apps import isinstalled
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from orchestra.utils.python import import_class
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from . import helpers
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from .. import settings
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from ..forms import SaaSPasswordForm
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class SoftwareService(plugins.Plugin):
PROTOCOL_MAP = {
'http': (Website.HTTP, (Website.HTTP, Website.HTTP_AND_HTTPS)),
'https': (Website.HTTPS_ONLY, (Website.HTTPS, Website.HTTP_AND_HTTPS, Website.HTTPS_ONLY)),
}
name = None
verbose_name = None
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form = SaaSPasswordForm
site_domain = None
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has_custom_domain = False
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icon = 'orchestra/icons/apps.png'
class_verbose_name = _("Software as a Service")
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plugin_field = 'service'
allow_custom_url = False
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@classmethod
@lru_cache()
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def get_plugins(cls):
plugins = []
for cls in settings.SAAS_ENABLED_SERVICES:
plugins.append(import_class(cls))
return plugins
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def get_change_readonly_fileds(cls):
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fields = super(SoftwareService, cls).get_change_readonly_fileds()
return fields + ('name',)
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def get_site_domain(self):
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context = {
'site_name': self.instance.name,
'name': self.instance.name,
}
return self.site_domain % context
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def clean(self):
if self.allow_custom_url:
if self.instance.custom_url:
if isinstalled('orchestra.contrib.websites'):
helpers.clean_custom_url(self)
elif self.instance.custom_url:
raise ValidationError({
'custom_url': _("Custom URL not allowed for this service."),
})
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def clean_data(self):
data = super(SoftwareService, self).clean_data()
if not self.instance.pk:
try:
log = Operation.execute_action(self.instance, 'validate_creation')[0]
except IndexError:
pass
else:
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if log.state != log.SUCCESS:
raise ValidationError(_("Validate creation execution has failed."))
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errors = {}
if 'user-exists' in log.stdout:
errors['name'] = _("User with this username already exists.")
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if 'email-exists' in log.stdout:
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errors['email'] = _("User with this email address already exists.")
if errors:
raise ValidationError(errors)
return data
def get_directive_name(self):
return '%s-saas' % self.name
def get_directive(self, *args):
if not args:
instance = self.instance
else:
instance = args[0]
url = urlparse(instance.custom_url)
account = instance.account
return WebsiteDirective.objects.get(
name=self.get_directive_name(),
value=url.path,
website__protocol__in=self.PROTOCOL_MAP[url.scheme][1],
website__domains__name=url.netloc,
website__account=account,
)
def get_website(self):
url = urlparse(self.instance.custom_url)
account = self.instance.account
return Website.objects.get(
protocol__in=self.PROTOCOL_MAP[url.scheme][1],
domains__name=url.netloc,
account=account,
directives__name=self.get_directive_name(),
directives__value=url.path,
)
def create_or_update_directive(self):
return helpers.create_or_update_directive(self)
def delete_directive(self):
try:
old = type(self.instance).objects.get(pk=self.instance.pk)
directive = self.get_directive(old)
except ObjectDoesNotExist:
pass
else:
directive.delete()
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def save(self):
# pre instance.save()
if isinstalled('orchestra.contrib.websites'):
if self.instance.custom_url:
self.create_or_update_directive()
elif self.instance.pk:
self.delete_directive()
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def delete(self):
if isinstalled('orchestra.contrib.websites'):
self.delete_directive()
def get_related(self):
return []
class DBSoftwareService(SoftwareService):
db_name = None
db_user = None
def get_db_name(self):
context = {
'name': self.instance.name,
'site_name': self.instance.name,
}
db_name = self.db_name % context
# Limit for mysql database names
return db_name[:65]
def get_db_user(self):
return self.db_user
@lru_cache()
def get_account(self):
account_model = self.instance._meta.get_field_by_name('account')[0]
return account_model.rel.to.objects.get_main()
def validate(self):
super(DBSoftwareService, self).validate()
create = not self.instance.pk
if create:
account = self.get_account()
# Validated Database
db_user = self.get_db_user()
try:
DatabaseUser.objects.get(username=db_user)
except DatabaseUser.DoesNotExist:
raise ValidationError(
_("Global database user for PHPList '%(db_user)s' does not exists.") % {
'db_user': db_user
}
)
db = Database(name=self.get_db_name(), account=account)
try:
db.full_clean()
except ValidationError as e:
raise ValidationError({
'name': e.messages,
})
def save(self):
super(DBSoftwareService, self).save()
account = self.get_account()
# Database
db_name = self.get_db_name()
db_user = self.get_db_user()
db, db_created = account.databases.get_or_create(name=db_name, type=Database.MYSQL)
user = DatabaseUser.objects.get(username=db_user)
db.users.add(user)
self.instance.database_id = db.pk