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authorRyota MIBU <r-mibu@cq.jp.nec.com>2015-04-20 09:29:54 +0900
committerRyota MIBU <r-mibu@cq.jp.nec.com>2015-05-20 00:36:19 +0900
commit7381fa56501f8a1c51b13e511f4bd6c44977a4d2 (patch)
tree7eeb143f65884cb19f07d0948502e9194de2d635 /requirements/resource_management/07-schemas.rst
parentb88d791c1e02b9a4b270882ea66c1b5048167182 (diff)
Add requirement doc
Change-Id: Ibfd83f84ae47291ece09150af9f35d38ef3a1288 JIRA: PROMISE-1 Signed-off-by: Ryota MIBU <r-mibu@cq.jp.nec.com>
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+Promise YANG Schemas based on StormForge
+----------------------------------------
+
+Promise Schema
+^^^^^^^^^^^^^^
+
+.. code::
+
+ module opnfv-promise {
+ namespace "urn:opnfv:vim:promise";
+ prefix prom;
+
+ import opnfv-promise-models { prefix opm; }
+ import complex-types { prefix ct; }
+
+ description
+ "OPNFV Promise Resource Reservation/Allocation controller module";
+
+ revision 2015-04-16 {
+ description
+ "Initial revision.";
+ }
+
+ // MAIN CONTAINER
+
+ container promise {
+ ct:instance-list reservations {
+ description
+ "Aggregate collection of all registered ResourceReservation
+ instances";
+ ct:instance-type opm:ResourceReservation;
+ }
+ }
+
+ rpc list-reservations;
+ rpc create-reservation;
+ rpc cancel-reservation;
+
+ notification reservation-event;
+ notification capacity-event;
+ notification allocation-event;
+ }
+
+OPNFV Promise YANG Schema
+^^^^^^^^^^^^^^^^^^^^^^^^^
+
+.. code::
+
+ module opnfv-promise-models {
+ prefix opm;
+
+ import storm-common-models { prefix scm; }
+ import complex-types { prefix ct; }
+
+ feature resource-reservation;
+
+ ct:complex-type ResourceReservation {
+ ct:extends scm:ResourceElement;
+
+ description
+ "Contains the capacities of various resource services being reserved
+ along with any resource elements needed to be available at
+ the time of allocation(s).";
+
+ reference "OPNFV-PROMISE, Section 3.4.1";
+
+ leaf start { type ct:date-and-time; }
+ leaf end { type ct:date-and-time; }
+ leaf expiry {
+ description
+ "Duration in seconds from start when unallocated reserved resources
+ will be released back into the pool";
+ type number; units "seconds";
+ }
+ leaf zone {
+ type instance-identifier { ct:instance-type scm:AvailabilityZone; }
+ }
+ container capacity {
+ uses scm:compute-capacity;
+ uses scm:networking-capcity;
+ uses scm:storage-capacity;
+ }
+ leaf-list resources {
+ description
+ "Reference to a collection of existing resource elements required by
+ this reservation. It can contain any instance derived from
+ ResourceElement, such as ServerInstances or even other
+ ResourceReservations. If the ResourceReservation request is
+ accepted, the ResourceElement(s) listed here will be placed
+ into 'protected' mode as to prevent accidental delete.";
+ type instance-identifier {
+ ct:instance-type scm:ResourceElement;
+ }
+ // following 'must' statement applies to each element
+ must "boolean(/provider/elements/*[@id=id])" {
+ error-message
+ "One or more of the ResourceElement(s) does not exist in the
+ provider to be reserved";
+ }
+ }
+
+ leaf provider {
+ if-feature multi-provider;
+ config false;
+
+ description
+ "Reference to a specified existing provider from which this
+ reservation will be drawn if used in the context of multi-provider
+ environment.";
+ type instance-identifier {
+ ct:instance-type scm:ResourceProvider;
+ require-instance true;
+ }
+ }
+
+ container remaining {
+ config false;
+ description
+ "Provides visibility into total remaining capacity for this
+ reservation based on allocations that took effect utilizing
+ this reservation ID as a reference.";
+
+ uses scm:compute-capacity;
+ uses scm:networking-capcity;
+ uses scm:storage-capacity;
+ }
+
+ leaf-list allocations {
+ config false;
+ description
+ "Reference to a collection of consumed allocations referencing
+ this reservation.";
+ type instance-identifier {
+ ct:instance-type ResourceAllocation;
+ }
+ }
+
+ }
+
+ ct:complex-type ResourceAllocation {
+ ct:extends scm:ResourceElement;
+
+ description
+ "Contains a list of resources to be allocated with optional reference
+ to an existing reservation.
+
+ If reservation is specified but this request is received prior
+ to reservation start timestamp, then it will be rejected unless
+ 'allocate-on-start' is set to true. 'allocate-on-start' allows
+ the allocation to be auto-initiated and scheduled to run in the
+ future.
+
+ The 'priority' state indicates the classification for dealing
+ with resource starvation scenarios. Lower priority allocations
+ will be forcefully terminated to allow for higher priority
+ allocations to be fulfilled.
+
+ Allocations without reference to an existing reservation will
+ receive the lowest priority.";
+
+ reference "OPNFV-PROMISE, Section 3.4.3";
+
+ leaf reservation {
+ description "Reference to an existing reservation identifier";
+
+ type instance-identifier {
+ ct:instance-type ResourceReservation;
+ require-instance true;
+ }
+ }
+
+ leaf allocate-on-start {
+ description
+ "If 'allocate-on-start' is set to true, the 'planned' allocations will
+ take effect automatically at the reservation 'start' date/time.";
+ type boolean; default false;
+ }
+
+ ct:instance-list resources {
+ description "Contains list of new ResourceElements that will be
+ allocated";
+ ct:instance-type scm:ResourceElement;
+ }
+
+ leaf priority {
+ description
+ "Reflects current priority level of the allocation according to
+ classification rules";
+ type number;
+ config false;
+ }
+ }
+ }
+
+.. -*