keystone.limit.backends.sql module

class keystone.limit.backends.sql.LimitModel(*args, **kwargs)[source]

Bases: sqlalchemy.ext.declarative.api.Base, keystone.common.sql.core.ModelDictMixin

attributes = ['internal_id', 'id', 'project_id', 'domain_id', 'service_id', 'region_id', 'resource_name', 'resource_limit', 'description', 'registered_limit_id']
description
domain_id
id
internal_id
project_id
region_id
registered_limit
registered_limit_id
resource_limit
resource_name
service_id
to_dict()[source]

Return the model’s attributes as a dictionary.

class keystone.limit.backends.sql.RegisteredLimitModel(*args, **kwargs)[source]

Bases: sqlalchemy.ext.declarative.api.Base, keystone.common.sql.core.ModelDictMixin

attributes = ['internal_id', 'id', 'service_id', 'region_id', 'resource_name', 'default_limit', 'description']
default_limit
description
id
internal_id
region_id
resource_name
service_id
to_dict()[source]

Return the model’s attributes as a dictionary.

class keystone.limit.backends.sql.UnifiedLimit[source]

Bases: keystone.limit.backends.base.UnifiedLimitDriverBase

create_limits(**kwargs)[source]

Create new limits.

Parameters

limits – a list of dictionaries representing limits to create.

Returns

all the newly created limits.

Raises
create_registered_limits(**kwargs)[source]

Create new registered limits.

Parameters

registered_limits – a list of dictionaries representing limits to create.

Returns

all the newly created registered limits.

Raises

keystone.exception.Conflict – If a duplicate registered limit exists.

delete_limit(limit_id)[source]

Delete an existing limit.

Parameters

limit_id – the limit id to delete.

Raises

keystone.exception.LimitNotFound – If limit doesn’t exist.

delete_limits_for_project(project_id)[source]

Delete the existing limits which belong to the specified project.

Parameters

project_id – the limits’ project id.

Returns

a dictionary representing the deleted limits id. Used for cache invalidating.

delete_registered_limit(registered_limit_id)[source]

Delete an existing registered limit.

Parameters

registered_limit_id – the registered limit id to delete.

Raises

keystone.exception.RegisteredLimitNotFound – If registered limit doesn’t exist.

get_limit(limit_id)[source]

Get a limit.

Parameters

limit_id – the limit id to get.

Returns

a dictionary representing a limit reference.

Raises

keystone.exception.LimitNotFound – If limit doesn’t exist.

get_registered_limit(registered_limit_id)[source]

Get a registered limit.

Parameters

registered_limit_id – the registered limit id to get.

Returns

a dictionary representing a registered limit reference.

Raises

keystone.exception.RegisteredLimitNotFound – If registered limit doesn’t exist.

list_limits(hints, *args, **kwargs)[source]

List all limits.

Parameters

hints – contains the list of filters yet to be satisfied. Any filters satisfied here will be removed so that the caller will know if any filters remain.

Returns

a list of dictionaries or an empty list.

list_registered_limits(hints, *args, **kwargs)[source]

List all registered limits.

Parameters

hints – contains the list of filters yet to be satisfied. Any filters satisfied here will be removed so that the caller will know if any filters remain.

Returns

a list of dictionaries or an empty registered limit.

update_limit(**kwargs)[source]

Update existing limits.

Parameters
  • limit_id – the id of the limit.

  • limit – a dict containing the limit attributes to update.

Returns

the updated limit.

Raises
update_registered_limit(**kwargs)[source]

Update existing registered limits.

Parameters
  • registered_limit_id – the id of the registered limit.

  • registered_limit – a dict containing the registered limit attributes to update.

Returns

the updated registered limit.

Raises