def resize_flavor(self, new_flavor_id):
self.validate_can_perform_action()
LOG.debug("resizing instance %s flavor to %s" %
(self.id, new_flavor_id))
# Validate that the flavor can be found and that it isn't the same size
# as the current one.
client = create_nova_client(self.context)
try:
new_flavor = client.flavors.get(new_flavor_id)
except nova_exceptions.NotFound:
raise exception.FlavorNotFound(uuid=new_flavor_id)
old_flavor = client.flavors.get(self.flavor_id)
new_flavor_size = new_flavor.ram
old_flavor_size = old_flavor.ram
if CONF.reddwarf_volume_support:
if new_flavor.ephemeral != 0:
raise exception.LocalStorageNotSupported()
if new_flavor_size == old_flavor_size:
raise exception.CannotResizeToSameSize()
elif CONF.device_path is not None:
# ephemeral support enabled
if new_flavor.ephemeral == 0:
raise exception.LocalStorageNotSpecified(flavor=new_flavor_id)
if (new_flavor_size == old_flavor_size
and new_flavor.ephemeral == new_flavor.ephemeral):
raise exception.CannotResizeToSameSize()
# Set the task to RESIZING and begin the async call before returning.
self.update_db(task_status=InstanceTasks.RESIZING)
LOG.debug("Instance %s set to RESIZING." % self.id)
task_api.API(self.context).resize_flavor(self.id, new_flavor_id,
old_flavor_size,
new_flavor_size)
def create(cls, context, name, flavor_id, image_id, databases, users,
service_type, volume_size):
client = create_nova_client(context)
try:
flavor = client.flavors.get(flavor_id)
except nova_exceptions.NotFound:
raise exception.FlavorNotFound(uuid=flavor_id)
db_info = DBInstance.create(name=name,
flavor_id=flavor_id,
tenant_id=context.tenant,
volume_size=volume_size,
task_status=InstanceTasks.BUILDING)
LOG.debug(
_("Tenant %s created new Reddwarf instance %s...") %
(context.tenant, db_info.id))
service_status = InstanceServiceStatus.create(
instance_id=db_info.id, status=ServiceStatuses.NEW)
dns_support = config.Config.get("reddwarf_dns_support", 'False')
if utils.bool_from_string(dns_support):
dns_client = create_dns_client(context)
hostname = dns_client.determine_hostname(db_info.id)
db_info.hostname = hostname
db_info.save()
task_api.API(context).create_instance(db_info.id, name, flavor_id,
flavor.ram, image_id, databases,
users, service_type, volume_size)
return SimpleInstance(context, db_info, service_status)
def _delete_resources():
backup = cls.get_by_id(backup_id)
if backup.is_running:
msg = ("Backup %s cannot be delete because it is running." %
backup_id)
raise exception.UnprocessableEntity(msg)
cls.verify_swift_auth_token(context)
api.API(context).delete_backup(backup_id)
def _delete_resources():
if self.is_building:
raise exception.UnprocessableEntity("Instance %s is not ready."
% self.id)
LOG.debug(_(" ... deleting compute id = %s") %
self.db_info.compute_instance_id)
LOG.debug(_(" ... setting status to DELETING."))
self.update_db(task_status=InstanceTasks.DELETING)
task_api.API(self.context).delete_instance(self.id)
def restart(self):
self._validate_can_perform_action()
LOG.info("Restarting MySQL on instance %s..." % self.id)
# Set our local status since Nova might not change it quick enough.
#TODO(tim.simpson): Possible bad stuff can happen if this service
# shuts down before it can set status to NONE.
# We need a last updated time to mitigate this;
# after some period of tolerance, we'll assume the
# status is no longer in effect.
self.update_db(task_status=InstanceTasks.REBOOTING)
task_api.API(self.context).restart(self.id)
def delete(self):
if (self.db_info.server_status in ["BUILD"]
and not self.db_info.task_status.is_error):
raise exception.UnprocessableEntity("Instance %s is not ready." %
self.id)
LOG.debug(
_(" ... deleting compute id = %s") %
self.db_info.compute_instance_id)
LOG.debug(_(" ... setting status to DELETING."))
self.update_db(task_status=InstanceTasks.DELETING)
task_api.API(self.context).delete_instance(self.id)
def resize_volume(self, new_size):
self._validate_can_perform_action()
LOG.info("Resizing volume of instance %s..." % self.id)
if not self.volume_size:
raise exception.BadRequest("Instance %s has no volume." % self.id)
old_size = self.volume_size
if int(new_size) <= old_size:
msg = ("The new volume 'size' must be larger than the current "
"volume size of '%s'")
raise exception.BadRequest(msg % old_size)
# Set the task to Resizing before sending off to the taskmanager
self.update_db(task_status=InstanceTasks.RESIZING)
task_api.API(self.context).resize_volume(new_size, self.id)
def _create_resources():
client = create_nova_client(context)
security_groups = None
try:
flavor = client.flavors.get(flavor_id)
except nova_exceptions.NotFound:
raise exception.FlavorNotFound(uuid=flavor_id)
if backup_id is not None:
backup_info = Backup.get_by_id(backup_id)
if backup_info.is_running:
raise exception.BackupNotCompleteError(backup_id=backup_id)
location = backup_info.location
LOG.info(_("Checking if backup exist in '%s'") % location)
if not Backup.check_object_exist(context, location):
raise exception.BackupFileNotFound(location=location)
db_info = DBInstance.create(name=name,
flavor_id=flavor_id,
tenant_id=context.tenant,
volume_size=volume_size,
task_status=InstanceTasks.BUILDING)
LOG.debug(
_("Tenant %s created new Reddwarf instance %s...") %
(context.tenant, db_info.id))
service_status = InstanceServiceStatus.create(
instance_id=db_info.id, status=ServiceStatuses.NEW)
if CONF.reddwarf_dns_support:
dns_client = create_dns_client(context)
hostname = dns_client.determine_hostname(db_info.id)
db_info.hostname = hostname
db_info.save()
if CONF.reddwarf_security_groups_support:
security_group = SecurityGroup.create_for_instance(
db_info.id, context)
security_groups = [security_group["name"]]
task_api.API(context).create_instance(db_info.id, name, flavor_id,
flavor.ram, image_id,
databases, users,
service_type, volume_size,
security_groups, backup_id)
return SimpleInstance(context, db_info, service_status)
def _create_resources():
client = create_nova_client(context)
security_groups = None
try:
flavor = client.flavors.get(flavor_id)
except nova_exceptions.NotFound:
raise exception.FlavorNotFound(uuid=flavor_id)
db_info = DBInstance.create(name=name,
flavor_id=flavor_id,
tenant_id=context.tenant,
volume_size=volume_size,
task_status=InstanceTasks.BUILDING)
LOG.debug(
_("Tenant %s created new Reddwarf instance %s...") %
(context.tenant, db_info.id))
service_status = InstanceServiceStatus.create(
instance_id=db_info.id, status=ServiceStatuses.NEW)
if CONF.reddwarf_dns_support:
dns_client = create_dns_client(context)
hostname = dns_client.determine_hostname(db_info.id)
db_info.hostname = hostname
db_info.save()
if CONF.reddwarf_security_groups_support:
security_group = SecurityGroup.create_for_instance(
db_info.id, context)
security_groups = [security_group["name"]]
task_api.API(context).create_instance(db_info.id, name, flavor_id,
flavor.ram, image_id,
databases, users,
service_type, volume_size,
security_groups)
return SimpleInstance(context, db_info, service_status)
def resize_flavor(self, new_flavor_id):
self._validate_can_perform_action()
LOG.debug("resizing instance %s flavor to %s" %
(self.id, new_flavor_id))
# Validate that the flavor can be found and that it isn't the same size
# as the current one.
client = create_nova_client(self.context)
try:
new_flavor = client.flavors.get(new_flavor_id)
except nova_exceptions.NotFound:
raise exception.FlavorNotFound(uuid=new_flavor_id)
old_flavor = client.flavors.get(self.flavor_id)
new_flavor_size = new_flavor.ram
old_flavor_size = old_flavor.ram
if new_flavor_size == old_flavor_size:
raise exception.CannotResizeToSameSize()
# Set the task to RESIZING and begin the async call before returning.
self.update_db(task_status=InstanceTasks.RESIZING)
LOG.debug("Instance %s set to RESIZING." % self.id)
task_api.API(self.context).resize_flavor(self.id, new_flavor_id,
old_flavor_size,
new_flavor_size)
def _create_resources():
# parse the ID from the Ref
instance_id = utils.get_id_from_href(instance)
# verify that the instance exist and can perform actions
from reddwarf.instance.models import Instance
instance_model = Instance.load(context, instance_id)
instance_model.validate_can_perform_action()
cls.verify_swift_auth_token(context)
try:
db_info = DBBackup.create(name=name,
description=description,
tenant_id=context.tenant,
state=BackupState.NEW,
instance_id=instance_id,
deleted=False)
except exception.InvalidModelError as ex:
LOG.exception("Unable to create Backup record:")
raise exception.BackupCreationError(str(ex))
api.API(context).create_backup(db_info.id, instance_id)
return db_info
def reboot(self):
self._validate_can_perform_action()
LOG.info("Rebooting instance %s..." % self.id)
self.update_db(task_status=InstanceTasks.REBOOTING)
task_api.API(self.context).reboot(self.id)
def migrate(self):
self._validate_can_perform_action()
LOG.info("Migrating instance %s..." % self.id)
self.update_db(task_status=InstanceTasks.MIGRATING)
task_api.API(self.context).migrate(self.id)
