def initialize_migration(self, request, database_id):
from region_migration.models import DatabaseRegionMigration
database = Database.objects.get(id=database_id)
url = reverse(
'admin:region_migration_databaseregionmigration_changelist')
region_migration = DatabaseRegionMigration(database=database,
current_step=0,)
if database.is_in_quarantine:
self.message_user(
request, "Database in quarantine and cannot be migrated", level=messages.ERROR)
return HttpResponseRedirect(url)
if database.status != Database.ALIVE or not database.database_status.is_alive:
self.message_user(
request, "Database is dead and cannot be migrated", level=messages.ERROR)
return HttpResponseRedirect(url)
if database.has_migration_started():
self.message_user(
request, "Database {} is already migrating".format(database.name), level=messages.ERROR)
return HttpResponseRedirect(url)
try:
region_migration.save()
self.message_user(request, "Migration for {} started!".format(
database.name), level=messages.SUCCESS)
except IntegrityError, e:
self.message_user(request, "Database {} is already migrating!".format(
database.name), level=messages.ERROR)
def multiple_initialize_migration(self, queryset, request, instances):
from region_migration.models import DatabaseRegionMigration
url = reverse('admin:region_migration_databaseregionmigration_changelist')
for database in instances:
region_migration = DatabaseRegionMigration(database=database,
current_step=0,
)
try:
region_migration.save()
except IntegrityError:
pass
self.message_user(
request, "Migration for selected database(s) started!", level=messages.SUCCESS)
return HttpResponseRedirect(url)
def initialize_migration(self, request, database_id):
from region_migration.models import DatabaseRegionMigration
database = Database.objects.get(id=database_id)
url = reverse(
'admin:region_migration_databaseregionmigration_changelist')
region_migration = DatabaseRegionMigration(
database=database,
current_step=0,
)
if database.is_in_quarantine:
self.message_user(request,
"Database in quarantine and cannot be migrated",
level=messages.ERROR)
return HttpResponseRedirect(url)
if database.status != Database.ALIVE or not database.database_status.is_alive:
self.message_user(request,
"Database is dead and cannot be migrated",
level=messages.ERROR)
return HttpResponseRedirect(url)
if database.has_migration_started():
self.message_user(request,
"Database {} is already migrating".format(
database.name),
level=messages.ERROR)
return HttpResponseRedirect(url)
try:
region_migration.save()
self.message_user(request,
"Migration for {} started!".format(
database.name),
level=messages.SUCCESS)
except IntegrityError, e:
self.message_user(request,
"Database {} is already migrating!".format(
database.name),
level=messages.ERROR)
def multiple_initialize_migration(self, queryset, request, instances):
from region_migration.models import DatabaseRegionMigration
url = reverse(
'admin:region_migration_databaseregionmigration_changelist')
for database in instances:
region_migration = DatabaseRegionMigration(
database=database,
current_step=0,
)
try:
region_migration.save()
except IntegrityError:
pass
self.message_user(request,
"Migration for selected database(s) started!",
level=messages.SUCCESS)
return HttpResponseRedirect(url)
