a62cd50e00
If the ON condition is not specified when calling join() as part of a query, sqlalchemy infers what columns in the tables to use in the ON condition of the SQL JOIN. We have encountered at least one bug where the inferred ON condition did not produce the intended result, and unexpected data was returned from the query. In order to ensure similar issues are not going undetected, the ON condition is now explicitly specified for all JOINs in the apic_aim MD's queries. Doing so exposed several queries that were including unnecessary JOINs, which have also been cleaned up. Change-Id: Ic77a7c7e7b41d27c35f8cf08155d9e1eb1e10d09 |
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README.rst
Group Based Policy (GBP) provides declarative abstractions for achieving scalable intent-based infrastructure automation.
GBP complements the OpenStack networking model with the notion of policies that can be applied between groups of network endpoints. As users look beyond basic connectivity, richer network services with diverse implementations and network properties are naturally expressed as policies. Examples include service chaining, QoS, path properties, access control, etc.
GBP allows application administrators to express their networking requirements using a Group and a Policy Rules-Set abstraction. The specifics of policy rendering are left to the underlying pluggable policy driver.
GBP model also supports a redirect operation that makes it easy to abstract and consume complex network service chains and graphs.
Checkout the GBP wiki page for more detailed information: <https://wiki.openstack.org/wiki/GroupBasedPolicy>
The latest code is available at: <http://git.openstack.org/cgit/openstack/group-based-policy>.
GBP project management (blueprints, bugs) is done via Launchpad: <https://launchpad.net/group-based-policy>
For help using or hacking on GBP, you can send mail to <mailto:openstack-dev@lists.openstack.org>.
Acronyms used in code for brevity:
- PT: Policy Target
- PTG: Policy Target Group
- PR: Policy Rule
- PRS: Policy Rule Set
- L2P: L2 Policy
- L3P: L3 Policy
- NSP: Network Service Policy
- EP: External Policy
- ES: External Segment