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This commit was bulk generated and pushed by the OpenDev sysadmins as a part of the Git hosting and code review systems migration detailed in these mailing list posts: http://lists.openstack.org/pipermail/openstack-discuss/2019-March/003603.html http://lists.openstack.org/pipermail/openstack-discuss/2019-April/004920.html Attempts have been made to correct repository namespaces and hostnames based on simple pattern matching, but it's possible some were updated incorrectly or missed entirely. Please reach out to us via the contact information listed at https://opendev.org/ with any questions you may have. |
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Service Types Authority
The following is a central authority for handing out service types to projects for their services.
Each OpenStack service with a REST API must have a well known service type. The well known service type guarantees a documented API is available for that service. Users of this service can trust that it will be the same between different OpenStack environments.
Attributes
The following attributes are required for a service type registration:
service-type (required)
The unique identifier for the service to be used in the service catalog.
project (required)
The name of the OpenStack project that contains the definition of the API claimed by this service type. OpenStack project source code is found in https://git.openstack.org/openstack/{project}. If the API reference docs are not found in the project repository, the api_reference_project field can be used to indicate the repository in which they are found.
api_reference (required)
A published API reference document for the API identified by this service type. If not specified in the source yaml file, it will be generated as http://developer.openstack.org/api-ref/{service-type}/.
api_reference_project (optional)
An OpenStack git project holding the source code for the project's API reference.
description (optional)
A short description about the service in question. It helps people reading only this document.
aliases (optional)
An ordered list of historical aliases for this service type.
Note
The list of aliases is only for communicating the
existing set of other names that services have gone by from the time
before this list existed. Changing a service-type is
VERY BAD and breaks users. It's important to list them
so that everyone can share in the knowledge of what to do with the
clouds that are out there, but seriously, putting things here is only
for documenting history, not for making new changes.
A service must have one and only one known service type. However,
there are older names that have been commonly used for some services. In
order for API consumers to be able to count on the Service Types
Authority service-type as an inbound interface they expect,
aliases provides a ordered list of known fallback names. If
an API consumer cannot find a given service-type in the
service-catalog, they are directed to try the list of
aliases here, in the order they are given, in order to find
the requested endpoint.
secondary (optional)
If secondary is set and is true, the project is not the primary
service people associate with the project codename. For instance, the
nova project has two services, compute and
placement. compute is the primary project.
placement is secondary.
Naming
Note
Established service types need not be forcefully retrofitted to
conform to these guidelines. For this reason you may see entries such as
ec2-api (contains a digit) or clustering (an
action, not a thing).
New service type names should:
- Be English words
- Match the regex
^[a-z][a-z-]*[a-z]$. - Be meaningful
- Not use terms which are incredibly overloaded in OpenStack space (e.g. policy)
- Be a thing, not an action (e.g. load-balancer, not load-balancing)
- Be singular instead of plural (e.g. image, not images)
- Be unversioned (e.g. volume, not volumev2)
Non Official Types in Service Catalog
The OpenStack Service Catalog can be used for listing services outside of the standardized service types. There will be no official registry of these types, so conflicts are possible. As such, the types should include an org prefix '$org:' where $org is something recognizable to a particular organization and not part of the OpenStack ecosystem.