blob: 6e36758519037eef9dc113478855bea5eb5773a1 [file] [log] [blame]
from django.contrib import admin
from syndicate_storage.models import *
from django import forms
from django.utils.safestring import mark_safe
from django.contrib.auth.admin import UserAdmin
from django.contrib.admin.widgets import FilteredSelectMultiple
from django.contrib.auth.forms import ReadOnlyPasswordHashField
from django.contrib.auth.signals import user_logged_in
from django.utils import timezone
from django.contrib.contenttypes import generic
from suit.widgets import LinkedSelect
from core.admin import ReadOnlyAwareAdmin,SingletonAdmin,SliceInline,ServiceAttrAsTabInline,XOSBaseAdmin, XOSTabularInline
from suit.widgets import LinkedSelect
from django.core.exceptions import ValidationError, ObjectDoesNotExist
class SyndicateServiceAdmin(SingletonAdmin,ReadOnlyAwareAdmin):
model = SyndicateService
verbose_name = "Syndicate Storage"
verbose_name_plural = "Syndicate Storage"
list_display = ("name","enabled")
fieldsets = [(None, {'fields': ['name','enabled','versionNumber', 'description',], 'classes':['suit-tab suit-tab-general']})]
inlines = [SliceInline,ServiceAttrAsTabInline]
user_readonly_fields = ['name','enabled','versionNumber','description']
suit_form_tabs =(('general', 'Syndicate Storage Details'),
('slices','Slices'),
('serviceattrs','Additional Attributes'),
)
class VolumeAccessRightInline(XOSTabularInline):
model = VolumeAccessRight
extra = 0
suit_classes = 'suit-tab suit-tab-volumeAccessRights'
class VolumeSliceFormSet( forms.models.BaseInlineFormSet ):
# verify that our VolumeSlice is valid
@classmethod
def verify_unchanged( cls, volume_pk, slice_pk, field_name, new_value ):
vs = None
try:
vs = VolumeSlice.objects.get( volume_id=volume_pk, slice_id=slice_pk )
except ObjectDoesNotExist, dne:
return True, None
old_value = getattr( vs, field_name )
if old_value != new_value:
return False, old_value
else:
return True, None
def clean( self ):
for form in self.forms:
# check each inline's cleaned data, if it's valid
cleaned_data = None
try:
if form.cleaned_data:
cleaned_data = form.cleaned_data
except AttributeError:
continue
# verify that the ports haven't changed
volume_pk = cleaned_data['volume_id'].pk
slice_pk = cleaned_data['slice_id'].pk
if not cleaned_data.has_key('UG_portnum'):
raise ValidationError("Missing UG port number")
if not cleaned_data.has_key('RG_portnum'):
raise ValidationError("Missing RG port number")
rc1, old_peer_port = VolumeSliceFormSet.verify_unchanged( volume_pk, slice_pk, 'UG_portnum', cleaned_data['UG_portnum'] )
rc2, old_replicate_port = VolumeSliceFormSet.verify_unchanged( volume_pk, slice_pk, 'RG_portnum', cleaned_data['RG_portnum'] )
err1str = ""
err2str = ""
if not rc1:
err1str = "change %s back to %s" % (cleaned_data['UG_portnum'], old_peer_port)
if not rc2:
err2str = " and change %s back to %s" % (cleaned_data['RG_portnum'], old_replicate_port )
if not rc1 or not rc2:
raise ValidationError("At this time, port numbers cannot be changed once they are set. Please %s %s" % (err1str, err2str))
class VolumeSliceInline(XOSTabularInline):
model = VolumeSlice
extra = 0
suit_classes = 'suit-tab suit-tab-volumeSlices'
fields = ['volume_id', 'slice_id', 'cap_read_data', 'cap_write_data', 'cap_host_data', 'UG_portnum', 'RG_portnum']
formset = VolumeSliceFormSet
readonly_fields = ['credentials_blob']
class VolumeAdmin(ReadOnlyAwareAdmin):
model = Volume
def get_readonly_fields(self, request, obj=None ):
always_readonly = []
if obj == None:
# all fields are editable on add
return always_readonly
else:
# can't change owner, slice id, or block size on update
return ['blocksize', 'owner_id'] + always_readonly
list_display = ['name', 'owner_id']
detailsFieldList = ['name', 'owner_id', 'description','blocksize', 'private','archive', 'cap_read_data', 'cap_write_data', 'cap_host_data' ]
fieldsets = [
(None, {'fields': detailsFieldList, 'classes':['suit-tab suit-tab-general']}),
]
inlines = [VolumeAccessRightInline, VolumeSliceInline]
user_readonly_fields = ['name','owner_id','description','blocksize','private', 'archive', 'cap_read_data', 'cap_write_data', 'cap_host_data']
suit_form_tabs =(('general', 'Volume Details'),
('volumeSlices', 'Slices'),
('volumeAccessRights', 'Volume Access Rights'))
def queryset(self, request):
# only show volumes that are public, or owned by the caller
return Volume.select_by_user(request.user)
# left panel:
admin.site.register(SyndicateService, SyndicateServiceAdmin)
admin.site.register(Volume, VolumeAdmin)