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-.. This work is licensed under a Creative Commons Attribution 4.0 International License.
-.. http://creativecommons.org/licenses/by/4.0
-
-Abstract
-========
-This user guide document provides the users with:
-
-1. Short description of Promise project and key features implemented in
-Colorado.
-
-Promise description
-===================
-Promise is a resource reservation and management project to identify NFV related
-requirements and realize resource reservation for future usage by capacity
-management of resource pools regarding compute, network and storage.
-
-The following are the key features provided by this module:
-
-* Capacity Management
-* Reservation Management
-* Allocation Management
-
-Promise capabilities and usage
-==============================
-The Colorado implementation of Promise is built with the YangForge data modeling
-framework [#f2]_ , using a shim-layer on top of OpenStack to provide
-the Promise features. This approach requires communication between
-Consumers/Administrators and OpenStack to pass through the shim-layer. The
-shim-layer intercepts the message flow to manage the allocation requests based
-on existing reservations and available capacities in the providers. It also
-extracts information from the intercepted messages in order to update its
-internal databases. Furthermore, Promise provides additional intent-based APIs
-to allow a Consumer or Administrator to perform capacity management (i.e. add
-providers, update the capacity, and query the current capacity and utilization
-of a provider), reservation management (i.e. create, update, cancel, query
-reservations), and allocation management (i.e. create, destroy instances).
-
-Detailed information about Promise use cases, features, interface
-specifications, work flows, and the underlying Promise YANG schema can be found
-in the Promise requirement document [#f1]_ .
-
-Promise features and API usage guidelines and examples
-------------------------------------------------------
-This section lists the Promise features and API implemented in OPNFV Colorado.
-
-Note: The listed parameters are optional unless explicitly marked as "mandatory".
-
-Reservation management
-^^^^^^^^^^^^^^^^^^^^^^
-The reservation management allows a Consumer to request reservations for
-resource capacity. Reservations can be for now or a later time window.
-After the start time of a reservation has arrived, the Consumer can issue
-create server instance requests against the reserved capacity. Note, a
-reservation will expire after a predefined *expiry* time in case no
-allocation referring to the reservation is requested.
-
-The implemented workflow is well aligned with the described workflow in the
-Promise requirement document [#f1]_ (Section 6.1) except for the
-"multi-provider" scenario as described in :ref:`multi-provider` .
-
-.. _create-reservation:
-
-*create-reservation*
-""""""""""""""""""""
-
-This operation allows making a request to the reservation system to reserve
-resources.
-
-The operation takes the following input parameters:
-
-* start: start time of the requested reservation
-* end: end time of the requested reservation
-* capacity.instances: amount of instances to be reserved
-* capacity.cores: amount of cores to be reserved
-* capacity.ram: amount of ram in MB to be reserved
-
-Promise will check the available capacity in the given time window and in case
-sufficient capacity exists to meet the reservation request, will mark those
-resources "reserved" in its reservation map.
-
-*update-reservation*
-""""""""""""""""""""
-
-This operation allows to update the reservation details for an existing
-reservation.
-
-It can take the same input parameters as in *create-reservation*
-but in addition requires a mandatory reference to the *reservation-id* of the
-reservation that shall be updated.
-
-*cancel-reservation*
-""""""""""""""""""""
-
-This operation is used to cancel an existing reservation.
-
-The operation takes the following input parameter:
-
-* reservation-id (mandatory): identifier of the reservation to be canceled.
-
-*query-reservation*
-"""""""""""""""""""
-
-The operation queries the reservation system to return reservation(s) matching
-the specified query filter, e.g., reservations that are within a specified
-start/end time window.
-
-The operation takes the following input parameters to narrow down the query
-results:
-
-* without: excludes specified collection identifiers from the result
-* elements.some: query for ResourceCollection(s) that contain some or more of these element(s)
-* elements.every: query for ResourceCollection(s) that contain all of these element(s)
-* window.start: matches entries that are within the specified start/
-* window.end: end time window
-* window.scope: if set to 'exclusive', only reservations with start AND end time
- within the time window are returned. Otherwise ('inclusive'), all
- reservation starting OR ending in the time windows are returned.
-* show-utilization: boolean value that specifies whether to also return the
- resource utilization in the queried time window or not
-
-Allocation management
-^^^^^^^^^^^^^^^^^^^^^
-
-*create-instance*
-"""""""""""""""""
-
-This operation is used to create an instance of specified resource(s) for
-immediate use utilizing capacity from the pool. *Create-instance* requests can
-be issued against an existing reservation, but also allocations without a
-reference to an existing reservation are allowed. In case the allocation
-request specifies a reservation identifier, Promise checks if a reservation
-with that ID exists, the reservation start time has arrived (i.e. the
-reservation is 'active'), and the required capacity for the requested flavor is
-within the available capacity of the reservation. If those conditions are met,
-Promise creates a record for the allocation (VMState="INITIALIZED") and update
-its databases. If no *reservation_id* was provided in the allocation request,
-Promise checks whether the required capacity to meet the request can be
-provided from the available, non-reserved capacity. If yes, Promise creates a
-record for the allocation with an unique *instance-id* and update its
-databases. In any other case, Promise rejects the *create-instance* request.
-
-In case the *create-instance* request is rejected, Promise responds with a
-"status=rejected" providing the reason of the rejection. This will help the
-Consumer to take appropriate actions, e.g., send an updated *create-instance*
-request. In case the *create-instance* request was accepted and a related
-allocation record has been created, the shim-layer issues a *createServer*
-request to the VIM Controller (i.e. Nova) providing all information to create
-the server instance.
-
-The operation takes the following input parameters:
-
-* name (mandatory): Assigned name for the instance to be created
-* image (mandatory): the image to be booted in the new instance
-* flavor (mandatory): the flavor of the requested server instance
-* networks: the list of network uuids of the requested server instance
-* provider-id: identifier of the provider where the instance shall be created
-* reservation-id: identifier of a resource reservation the *create-instance*
-
-The Colorado implementation of Promise has the following limitations:
-
-* All create server instance requests shall pass through the Promise
- shim-layer such that Promise can keep track of all allocation requests. This
- is necessary as in the current release the sychronization between the VIM
- Controller and Promise on the available capacity is not yet implemented.
-* *Create-allocation* requests are limited to "simple" allocations, i.e., the
- current workflow only supports the Nova compute service and
- *create-allocation* requests are limited to creating one server instance at a
- time
-* Prioritization of reservations and allocations is yet not implemented.
- Future version may allow certain policy-based conflict resolution where,
- e.g., new allocation request with high priority can "forcefully" terminate
- lower priority allocations.
-
-
-*destroy-instance*
-""""""""""""""""""
-
-This operation request to destroy an existing server instance and release it
-back to the pool.
-
-The operation takes the following input parameter:
-
-* instance-id: identifier of the server instance to be destroyed
-
-Capacity management
-^^^^^^^^^^^^^^^^^^^
-The capacity management feature allows the Consumer or Administrator to do
-capacity planning, i.e. the capacity available to the reservation management
-can differ from the actual capacity in the registered provider(s). This feature
-can, e.g., be used to limit the available capacity for a given time window due
-to a planned downtime of some of the resources, or increase the capacity
-available to the reservation system in case of a planned upgrade of the
-available capacity.
-
-*increase/decrease-capacity*
-""""""""""""""""""""""""""""
-
-This operations allows to increase/decrease the total capacity that is made
-available to the Promise reservation service between a specified window in
-time. It does NOT increase the actual capacity of a given resource provider,
-but is used for capacity management inside Promise.
-
-This feature can be used in different ways, like
-
-* Limit the capacity available to the reservation system to a value below 100%
- of the available capacity in the VIM, e.g., in order to leave "buffer" in the
- actual NFVI to be used outside the Promise reservation service.
-
-* Inform the reservation system that, from a given time in the future,
- additional resources can be reserved, e.g., due to a planned upgrade of the
- available capacity of the provider.
-
-* Similarily, the "decrease-capacity" can be used to reduce the consumable
- resources in a given time window, e.g., to prepare for a planned downtime of
- some of the resources.
-
-* Expose multiple reservation service instances to different consumers sharing
- the same resource provider.
-
-The operation takes the following input parameters:
-
-* start: start time for the increased/decreased capacity
-* end: end time for the increased/decreased capacity
-* capacity.cores: Increased/decreased amount of cores
-* capacity.ram: Increased/decreased amount of RAM
-* capacity.instances: Increased/decreased amount of instances
-
-Note, increase/decreasing the capacity in Promise is completely transparent to
-the VIM. As such, when increasing the virtual capacity in Promise (e.g. for a
-planned upgrade of the capacity), it is in the responsibility of the
-Consumer/Administrator to ensure sufficient resources in the VIM are available
-at the appropriate time, in order to prevent allocations against reservations
-to fail due to a lack of resources. Therefore, this operations should only be
-used carefully.
-
-
-*query-capacity*
-""""""""""""""""
-
-This operation is used to query the available capacity information of the
-specified resource collection. A filter attribute can be specified to narrow
-down the query results.
-
-The current implementation supports the following filter criteria:
-
-* time window: returns reservations matching the specified window
-
-* window scope: if set to 'exclusive', only reservations with start AND end time
- within the time window are returned. Otherwise, all reservation starting OR
- ending in the time windows are returned.
-
-* metric: query for one of the following capacity metrics:
-
- * 'total': resource pools
- * 'reserved': reserved resources
- * 'usage': resource allocations
- * 'available': remaining capacity, i.e. neither reserved nor allocated
-
-.. _multi-provider:
-
-(Multi-)provider management
-^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-This API towards OpenStack allows a Consumer/Administrator to add and remove
-resource providers to Promise. Note, Promise supports a multi-provider
-configuration, however, for Colorado, multi-provider support is not yet
-fully supported.
-
-*add-provider*
-""""""""""""""
-
-This operation is used to register a new resource provider into the Promise
-reservation system.
-
-Note, for Colorado, the add-provider operation should only be used to
-register one provider with the Promise shim-layer. Further note that currently
-only OpenStack is supported as a provider.
-
-The operation takes the following input parameters:
-
-* provider-type (mandatory) = 'openstack': select a specific resource provider
- type.
-* endpoint (mandatory): target URL endpoint for the resource provider.
-* username (mandatory)
-* password (mandatory)
-* region: specified region for the provider
-* tenant.id: id of the OpenStack tenant/project
-* tenant.name: name of the OpenStack tenant/project
-
-.. [#f1] Promise requirement document,
- http://artifacts.opnfv.org/promise/docs/requirements/index.html
-
-.. [#f2] YangForge framework, http://github.com/opnfv/yangforge
-
diff --git a/docs/userguide/index.rst b/docs/userguide/index.rst
deleted file mode 100644
index f6cb21c..0000000
--- a/docs/userguide/index.rst
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@@ -1,12 +0,0 @@
-.. This work is licensed under a Creative Commons Attribution 4.0 International License.
-.. http://creativecommons.org/licenses/by/4.0
-
-==================
-Promise user guide
-==================
-
-
-.. toctree::
- :maxdepth: 3
-
- feature.userguide.rst