def module_apply(self, req, body, tenant_id, id):
"""Apply modules to an instance."""
context = req.environ[wsgi.CONTEXT_KEY]
instance = models.Instance.load(context, id)
if not instance:
raise exception.NotFound(uuid=id)
self.authorize_instance_action(context, 'module_apply', instance)
module_ids = [mod['id'] for mod in body.get('modules', [])]
modules = module_models.Modules.load_by_ids(context, module_ids)
module_models.Modules.validate(modules, instance.datastore.id,
instance.datastore_version.id)
module_list = module_views.convert_modules_to_list(modules)
client = create_guest_client(context, id)
result_list = client.module_apply(module_list)
models.Instance.add_instance_modules(context, id, modules)
return wsgi.Result({'modules': result_list}, 200)
def __init__(self, flavor=None, context=None, flavor_id=None):
if flavor:
self.flavor = flavor
return
if flavor_id and context:
try:
client = create_nova_client(context)
self.flavor = client.flavors.get(flavor_id)
except nova_exceptions.NotFound as e:
raise exception.NotFound(uuid=flavor_id)
except nova_exceptions.ClientException as e:
raise exception.TroveError(str(e))
return
msg = ("Flavor is not defined, and"
" context and flavor_id were not specified.")
raise exception.InvalidModelError(errors=msg)
def load_parameter_by_name(cls,
datastore_version_id,
config_param_name,
show_deleted=False):
try:
if show_deleted:
return DBDatastoreConfigurationParameters.find_by(
datastore_version_id=datastore_version_id,
name=config_param_name)
else:
return DBDatastoreConfigurationParameters.find_by(
datastore_version_id=datastore_version_id,
name=config_param_name,
deleted=False)
except exception.NotFound:
raise exception.NotFound(uuid=config_param_name)
def module_list(self, req, tenant_id, id):
"""Return information about modules on an instance."""
context = req.environ[wsgi.CONTEXT_KEY]
instance = models.Instance.load(context, id)
if not instance:
raise exception.NotFound(uuid=id)
from_guest = bool(req.GET.get('from_guest', '').lower())
include_contents = bool(req.GET.get('include_contents', '').lower())
if from_guest:
return self._module_list_guest(context,
id,
include_contents=include_contents)
else:
return self._module_list(context,
id,
include_contents=include_contents)
def guest_log_action(self, context, log_name, enable, disable,
publish, discard):
if enable and disable:
raise exception.BadRequest("Cannot enable and disable log '%s'." %
log_name)
# Enable if we are publishing, unless told to disable
if publish and not disable:
enable = True
LOG.info(_("Processing guest log '%(log)s' "
"(enable=%(en)s, disable=%(dis)s, "
"publish=%(pub)s, discard=%(disc)s).") %
{'log': log_name, 'en': enable, 'dis': disable,
'pub': publish, 'disc': discard})
self.guest_log_context = context
gl_cache = self.guest_log_cache
if log_name in gl_cache:
if ((gl_cache[log_name].type == guest_log.LogType.SYS) and
not publish):
if enable or disable:
if enable:
action_text = "enable"
else:
action_text = "disable"
raise exception.BadRequest("Cannot %s a SYSTEM log ('%s')."
% (action_text, log_name))
if gl_cache[log_name].type == guest_log.LogType.USER:
requires_change = (
(gl_cache[log_name].enabled and disable) or
(not gl_cache[log_name].enabled and enable))
if requires_change:
restart_required = self.guest_log_enable(
context, log_name, disable)
if restart_required:
self.set_guest_log_status(
guest_log.LogStatus.Restart_Required, log_name)
gl_cache[log_name].enabled = enable
log_details = gl_cache[log_name].show()
if discard:
log_details = gl_cache[log_name].discard_log()
if publish:
log_details = gl_cache[log_name].publish_log()
LOG.info(_("Details for log '%(log)s': %(det)s") %
{'log': log_name, 'det': log_details})
return log_details
raise exception.NotFound("Log '%s' is not defined." % log_name)
def module_remove(self, req, tenant_id, id, module_id):
"""Remove module from an instance."""
context = req.environ[wsgi.CONTEXT_KEY]
instance = models.Instance.load(context, id)
if not instance:
raise exception.NotFound(uuid=id)
module = module_models.Module.load(context, module_id)
module_info = module_views.DetailedModuleView(module).data()
client = create_guest_client(context, id)
client.module_remove(module_info)
instance_modules = module_models.InstanceModules.load_all(
context, instance_id=id, module_id=module_id)
for instance_module in instance_modules:
module_models.InstanceModule.delete(context, instance_module)
LOG.debug("Deleted IM record %s (instance %s, module %s)." %
(instance_module.id, id, module_id))
return wsgi.Result(None, 200)
def guest_log_list(self, req, tenant_id, id):
"""Return all information about all logs for an instance."""
LOG.debug("Listing logs for tenant %s", tenant_id)
context = req.environ[wsgi.CONTEXT_KEY]
try:
backup_model.verify_swift_auth_token(context)
except exception.SwiftNotFound:
raise exception.LogsNotAvailable()
instance = models.Instance.load(context, id)
if not instance:
raise exception.NotFound(uuid=id)
self.authorize_instance_action(context, 'guest_log_list', instance)
client = create_guest_client(context, id)
guest_log_list = client.guest_log_list()
return wsgi.Result({'logs': guest_log_list}, 200)
def guest_log_action(self, req, body, tenant_id, id):
"""Processes a guest log."""
LOG.info(_("Processing log for tenant %s"), tenant_id)
context = req.environ[wsgi.CONTEXT_KEY]
instance = models.Instance.load(context, id)
if not instance:
raise exception.NotFound(uuid=id)
log_name = body['name']
enable = body.get('enable', None)
disable = body.get('disable', None)
publish = body.get('publish', None)
discard = body.get('discard', None)
if enable and disable:
raise exception.BadRequest(_("Cannot enable and disable log."))
client = create_guest_client(context, id)
guest_log = client.guest_log_action(log_name, enable, disable, publish,
discard)
return wsgi.Result({'log': guest_log}, 200)
def remove_module(cls, driver, module_type, module_id, name, datastore,
ds_version):
datastore = datastore or cls.MODULE_APPLY_TO_ALL
ds_version = ds_version or cls.MODULE_APPLY_TO_ALL
module_dir = cls.build_module_dir(module_type, module_id)
contents_file = cls.build_contents_filename(module_dir)
if not operating_system.exists(cls.get_result_filename(module_dir)):
raise exception.NotFound(
_("Module '%s' has not been applied") % name)
try:
removed, message = driver.remove(name, datastore, ds_version,
contents_file)
cls.remove_module_result(module_dir)
except Exception:
LOG.exception(_("Could not remove module '%s'") % name)
raise
return removed, message
def guest_log_action(self, context, log_name, enable, disable, publish,
discard):
if enable and disable:
raise exception.BadRequest("Cannot enable and disable log '%s'." %
log_name)
# Enable if we are publishing, unless told to disable
if publish and not disable:
enable = True
LOG.debug("Processing guest log '%s' "
"(enable=%s, disable=%s, publish=%s, discard=%s)." %
(log_name, enable, disable, publish, discard))
self.guest_log_context = context
gl_cache = self.guest_log_cache
response = None
if log_name in gl_cache:
if ((gl_cache[log_name].type == guest_log.LogType.SYS)
and not publish):
if enable or disable:
if enable:
action_text = "enable"
else:
action_text = "disable"
raise exception.BadRequest(
"Cannot %s a SYSTEM log ('%s')." %
(action_text, log_name))
if gl_cache[log_name].type == guest_log.LogType.USER:
requires_change = ((gl_cache[log_name].enabled and disable) or
(not gl_cache[log_name].enabled and enable))
if requires_change:
restart_required = self.guest_log_enable(
context, log_name, disable)
if restart_required:
self.set_guest_log_status(
guest_log.LogStatus.Restart_Required, log_name)
gl_cache[log_name].enabled = enable
response = gl_cache[log_name].show()
if discard:
response = gl_cache[log_name].discard_log()
if publish:
response = gl_cache[log_name].publish_log()
else:
raise exception.NotFound("Log '%s' is not defined." % log_name)
return response
def module_apply(self, req, body, tenant_id, id):
"""Apply modules to an instance."""
context = req.environ[wsgi.CONTEXT_KEY]
instance = models.Instance.load(context, id)
if not instance:
raise exception.NotFound(uuid=id)
module_ids = [mod['id'] for mod in body.get('modules', [])]
modules = module_models.Modules.load_by_ids(context, module_ids)
module_list = []
for module in modules:
module.contents = module_models.Module.deprocess_contents(
module.contents)
module_info = module_views.DetailedModuleView(module).data(
include_contents=True)
module_list.append(module_info)
client = create_guest_client(context, id)
result_list = client.module_apply(module_list)
models.Instance.add_instance_modules(context, id, modules)
return wsgi.Result({'modules': result_list}, 200)
def does_configuration_need_restart(self):
datastore_v = Configuration.load_configuration_datastore_version(
self.context, self.configuration_id)
config_items = Configuration.load_items(self.context,
id=self.configuration_id)
LOG.debug("config_items: %s" % config_items)
detail_list = DatastoreConfigurationParameters.load_parameters(
datastore_v.id, show_deleted=True)
for i in config_items:
LOG.debug("config item: %s" % i)
details = Configuration.find_parameter_details(
i.configuration_key, detail_list)
LOG.debug("parameter details: %s" % details)
if not details:
raise exception.NotFound(uuid=i.configuration_key)
if bool(details.restart_required):
return True
return False
def get_db_info(context, id):
"""
Retrieves an instance of the managed datastore from the persisted
storage based on the ID and Context
:param context: the context which owns the instance
:type context: trove.common.context.TroveContext
:param id: the unique ID of the instance
:type id: unicode or str
:return: a record of the instance as its state exists in persisted storage
:rtype: trove.instance.models.DBInstance
"""
if context is None:
raise TypeError("Argument context not defined.")
elif id is None:
raise TypeError("Argument id not defined.")
try:
db_info = DBInstance.find_by(context=context, id=id, deleted=False)
except exception.NotFound:
raise exception.NotFound(uuid=id)
return db_info
def assign_configuration(self, configuration_id):
self._validate_can_perform_assign()
try:
configuration = Configuration.load(self.context, configuration_id)
except exception.ModelNotFoundError:
raise exception.NotFound(
message='Configuration group id: %s could not be found.' %
configuration_id)
config_ds_v = configuration.datastore_version_id
inst_ds_v = self.db_info.datastore_version_id
if (config_ds_v != inst_ds_v):
raise exception.ConfigurationDatastoreNotMatchInstance(
config_datastore_version=config_ds_v,
instance_datastore_version=inst_ds_v)
config = Configuration(self.context, configuration.id)
LOG.debug("Config config is %s.", config)
self.update_db(configuration_id=configuration.id)
self.update_overrides(config)
def __init__(self, volume_type=None, context=None, volume_type_id=None):
"""
Initialize the volume type either from the volume_type parameter, or
by querying cinder using the context provided.
"""
if volume_type and not (volume_type_id or context):
self.volume_type = volume_type
elif volume_type_id and context:
try:
client = create_cinder_client(context)
self.volume_type = client.volume_types.get(volume_type_id)
except cinder_exception.NotFound:
raise trove_exception.NotFound(uuid=volume_type_id)
except cinder_exception.ClientException as ce:
raise trove_exception.TroveError(str(ce))
return
else:
raise trove_exception.InvalidModelError(
errors="An invalid set of arguments were provided.")
def assign_configuration(self, configuration_id):
try:
configuration = Configuration.load(self.context, configuration_id)
except exception.ModelNotFoundError:
raise exception.NotFound(
message='Configuration group id: %s could not be found'
% configuration_id)
config_ds_v = configuration.datastore_version_id
inst_ds_v = self.db_info.datastore_version_id
if (config_ds_v != inst_ds_v):
raise exception.ConfigurationDatastoreNotMatchInstance(
config_datastore_version=config_ds_v,
instance_datastore_version=inst_ds_v)
overrides = Configuration.get_configuration_overrides(
self.context, configuration.id)
LOG.info(overrides)
self.update_overrides(overrides)
self.update_db(configuration_id=configuration.id)
def create(self, req, body, tenant_id):
LOG.info("Creating a database instance for tenant '%s'", tenant_id)
LOG.debug("req : '%s'\n\n", strutils.mask_password(req))
LOG.debug("body : '%s'\n\n", strutils.mask_password(body))
context = req.environ[wsgi.CONTEXT_KEY]
policy.authorize_on_tenant(context, 'instance:create')
context.notification = notification.DBaaSInstanceCreate(context,
request=req)
name = body['instance']['name']
slave_of_id = body['instance'].get('replica_of')
replica_count = body['instance'].get('replica_count')
flavor_ref = body['instance'].get('flavorRef')
datastore_args = body['instance'].get('datastore', {})
volume_info = body['instance'].get('volume', {})
availability_zone = body['instance'].get('availability_zone')
nics = body['instance'].get('nics', [])
locality = body['instance'].get('locality')
region_name = body['instance'].get(
'region_name', CONF.service_credentials.region_name)
access = body['instance'].get('access', None)
if slave_of_id:
if flavor_ref:
msg = 'Cannot specify flavor when creating replicas.'
raise exception.BadRequest(message=msg)
if datastore_args:
msg = 'Cannot specify datastore when creating replicas.'
raise exception.BadRequest(message=msg)
if volume_info:
msg = 'Cannot specify volume when creating replicas.'
raise exception.BadRequest(message=msg)
if locality:
msg = 'Cannot specify locality when creating replicas.'
raise exception.BadRequest(message=msg)
backup_model.verify_swift_auth_token(context)
else:
if replica_count and replica_count > 1:
msg = (f"Replica count only valid when creating replicas. "
f"Cannot create {replica_count} instances.")
raise exception.BadRequest(message=msg)
flavor_id = utils.get_id_from_href(flavor_ref)
if volume_info:
volume_size = int(volume_info.get('size'))
volume_type = volume_info.get('type')
else:
volume_size = None
volume_type = None
if slave_of_id:
try:
replica_source = models.DBInstance.find_by(context,
id=slave_of_id,
deleted=False)
flavor_id = replica_source.flavor_id
except exception.ModelNotFoundError:
LOG.error(f"Cannot create a replica of {slave_of_id} as that "
f"instance could not be found.")
raise exception.NotFound(uuid=slave_of_id)
if replica_source.slave_of_id:
raise exception.Forbidden(
f"Cannot create a replica of a replica {slave_of_id}")
datastore_version = ds_models.DatastoreVersion.load_by_uuid(
replica_source.datastore_version_id)
datastore = ds_models.Datastore.load(
datastore_version.datastore_id)
else:
datastore, datastore_version = ds_models.get_datastore_version(
**datastore_args)
# If only image_tags is configured in the datastore version, get
# the image ID using the tags.
glance_client = clients.create_glance_client(context)
image_id = common_glance.get_image_id(glance_client,
datastore_version.image_id,
datastore_version.image_tags)
LOG.info(f'Using image {image_id} for creating instance')
databases = populate_validated_databases(body['instance'].get(
'databases', []))
database_names = [database.get('_name', '') for database in databases]
users = None
try:
users = populate_users(body['instance'].get('users', []),
database_names)
except ValueError as ve:
raise exception.BadRequest(message=str(ve))
if slave_of_id and (databases or users):
raise exception.ReplicaCreateWithUsersDatabasesError()
configuration = self._configuration_parse(context, body)
modules = body['instance'].get('modules')
# The following operations have their own API calls.
# We need to make sure the same policies are enforced when
# creating an instance.
# i.e. if attaching configuration group to an existing instance is not
# allowed, it should not be possible to create a new instance with the
# group attached either
if configuration:
policy.authorize_on_tenant(context, 'instance:update')
if modules:
policy.authorize_on_tenant(context, 'instance:module_apply')
if users:
policy.authorize_on_tenant(context,
'instance:extension:user:create')
if databases:
policy.authorize_on_tenant(context,
'instance:extension:database:create')
if 'restorePoint' in body['instance']:
backupRef = body['instance']['restorePoint']['backupRef']
backup_id = utils.get_id_from_href(backupRef)
else:
backup_id = None
# Only 1 nic is allowed as defined in API jsonschema.
# Use list just for backward compatibility.
if len(nics) > 0:
nic = nics[0]
LOG.info('Checking user provided instance network %s', nic)
if slave_of_id and nic.get('ip_address'):
msg = "Cannot specify IP address when creating replicas."
raise exception.BadRequest(message=msg)
self._check_nic(context, nic)
if locality:
locality_domain = ['affinity', 'anti-affinity']
locality_domain_msg = ("Invalid locality '%s'. "
"Must be one of ['%s']" %
(locality, "', '".join(locality_domain)))
if locality not in locality_domain:
raise exception.BadRequest(message=locality_domain_msg)
instance = models.Instance.create(context,
name,
flavor_id,
image_id,
databases,
users,
datastore,
datastore_version,
volume_size,
backup_id,
availability_zone,
nics,
configuration,
slave_of_id,
replica_count=replica_count,
volume_type=volume_type,
modules=modules,
locality=locality,
region_name=region_name,
access=access)
view = views.InstanceDetailView(instance, req=req)
return wsgi.Result(view.data(), 200)
def create(cls,
context,
name,
flavor_id,
image_id,
databases,
users,
datastore,
datastore_version,
volume_size,
backup_id,
availability_zone=None,
nics=None,
configuration_id=None,
slave_of_id=None,
cluster_config=None):
datastore_cfg = CONF.get(datastore_version.manager)
client = create_nova_client(context)
try:
flavor = client.flavors.get(flavor_id)
except nova_exceptions.NotFound:
raise exception.FlavorNotFound(uuid=flavor_id)
deltas = {'instances': 1}
volume_support = datastore_cfg.volume_support
if volume_support:
validate_volume_size(volume_size)
deltas['volumes'] = volume_size
# Instance volume should have enough space for the backup
# Backup, and volume sizes are in GBs
target_size = volume_size
else:
target_size = flavor.disk # local_storage
if volume_size is not None:
raise exception.VolumeNotSupported()
if datastore_cfg.device_path:
if flavor.ephemeral == 0:
raise exception.LocalStorageNotSpecified(flavor=flavor_id)
target_size = flavor.ephemeral # ephemeral_Storage
if backup_id is not None:
backup_info = Backup.get_by_id(context, backup_id)
if backup_info.is_running:
raise exception.BackupNotCompleteError(backup_id=backup_id)
if backup_info.size > target_size:
raise exception.BackupTooLarge(backup_size=backup_info.size,
disk_size=target_size)
if not backup_info.check_swift_object_exist(
context,
verify_checksum=CONF.verify_swift_checksum_on_restore):
raise exception.BackupFileNotFound(
location=backup_info.location)
if (backup_info.datastore_version_id
and backup_info.datastore.name != datastore.name):
raise exception.BackupDatastoreMismatchError(
datastore1=backup_info.datastore.name,
datastore2=datastore.name)
if slave_of_id:
replication_support = datastore_cfg.replication_strategy
if not replication_support:
raise exception.ReplicationNotSupported(
datastore=datastore.name)
try:
# looking for replica source
replica_source = DBInstance.find_by(context,
id=slave_of_id,
deleted=False)
if replica_source.slave_of_id:
raise exception.Forbidden(
_("Cannot create a replica of a replica %(id)s.") %
{'id': slave_of_id})
except exception.ModelNotFoundError:
LOG.exception(
_("Cannot create a replica of %(id)s "
"as that instance could not be found.") %
{'id': slave_of_id})
raise exception.NotFound(uuid=slave_of_id)
if not nics:
nics = []
if CONF.default_neutron_networks:
nics = [{
"net-id": net_id
} for net_id in CONF.default_neutron_networks] + nics
def _create_resources():
if cluster_config:
cluster_id = cluster_config.get("id", None)
shard_id = cluster_config.get("shard_id", None)
instance_type = cluster_config.get("instance_type", None)
else:
cluster_id = shard_id = instance_type = None
db_info = DBInstance.create(
name=name,
flavor_id=flavor_id,
tenant_id=context.tenant,
volume_size=volume_size,
datastore_version_id=datastore_version.id,
task_status=InstanceTasks.BUILDING,
configuration_id=configuration_id,
slave_of_id=slave_of_id,
cluster_id=cluster_id,
shard_id=shard_id,
type=instance_type)
LOG.debug("Tenant %(tenant)s created new Trove instance %(db)s.", {
'tenant': context.tenant,
'db': db_info.id
})
# if a configuration group is associated with an instance,
# generate an overrides dict to pass into the instance creation
# method
config = Configuration(context, configuration_id)
overrides = config.get_configuration_overrides()
service_status = InstanceServiceStatus.create(
instance_id=db_info.id, status=tr_instance.ServiceStatuses.NEW)
if CONF.trove_dns_support:
dns_client = create_dns_client(context)
hostname = dns_client.determine_hostname(db_info.id)
db_info.hostname = hostname
db_info.save()
root_password = None
if cls.get_root_on_create(
datastore_version.manager) and not backup_id:
root_password = utils.generate_random_password()
task_api.API(context).create_instance(
db_info.id, name, flavor, image_id, databases, users,
datastore_version.manager, datastore_version.packages,
volume_size, backup_id, availability_zone, root_password, nics,
overrides, slave_of_id, cluster_config)
return SimpleInstance(context, db_info, service_status,
root_password)
return run_with_quotas(context.tenant, deltas, _create_resources)
def load_parameter(cls, config_id):
try:
return DBDatastoreConfigurationParameters.find_by(id=config_id,
deleted=False)
except exception.NotFound:
raise exception.NotFound(uuid=config_id)
def load(context, name):
client = create_nova_client(context)
try:
return DetailedHost(client.rdhosts.get(name))
except nova_exceptions.NotFound:
raise exception.NotFound(uuid=name)
def _validate_flavor_id(self, id):
try:
if int(id) != float(id):
raise exception.NotFound(uuid=id)
except ValueError:
raise exception.NotFound(uuid=id)
def _create_resources():
# parse the ID from the Ref
instance_id = utils.get_id_from_href(instance)
# verify that the instance exists and can perform actions
from trove.instance.models import Instance
instance_model = Instance.load(context, instance_id)
instance_model.validate_can_perform_action()
cls.validate_can_perform_action(instance_model, 'backup_create')
cls.verify_swift_auth_token(context)
if instance_model.cluster_id is not None:
raise exception.ClusterInstanceOperationNotSupported()
ds = instance_model.datastore
ds_version = instance_model.datastore_version
parent = None
parent_backup = None
parent_backup_id = None
if parent_id:
# Look up the parent info or fail early if not found or if
# the user does not have access to the parent.
if parent_id == 'last':
# Need to assign parent_id to a new variable
# parent_backup_id, otherwise an unbound variable error
# will be thrown
parent_backup = Backup.get_last_completed(
context, instance_id, True)
if parent_backup is None:
raise exception.NotFound()
parent_backup_id = parent_backup.id
else:
parent_backup_id = parent_id
_parent = cls.get_by_id(context, parent_backup_id)
parent = {
'id': parent_backup_id,
'location': _parent.location,
'checksum': _parent.checksum,
}
try:
db_info = DBBackup.create(name=name,
description=description,
tenant_id=context.tenant,
state=BackupState.NEW,
instance_id=instance_id,
parent_id=parent_backup_id,
datastore_version_id=ds_version.id,
deleted=False)
except exception.InvalidModelError as ex:
LOG.exception(
_("Unable to create backup record for "
"instance: %s"), instance_id)
raise exception.BackupCreationError(str(ex))
backup_info = {
'id': db_info.id,
'name': name,
'description': description,
'instance_id': instance_id,
'backup_type': db_info.backup_type,
'checksum': db_info.checksum,
'parent': parent,
'datastore': ds.name,
'datastore_version': ds_version.name,
}
api.API(context).create_backup(backup_info, instance_id)
return db_info
