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Diffstat (limited to 'docs/Chapter5/Heat/ONAP Heat VNF Modularity.rst')
| -rw-r--r-- | docs/Chapter5/Heat/ONAP Heat VNF Modularity.rst | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/docs/Chapter5/Heat/ONAP Heat VNF Modularity.rst b/docs/Chapter5/Heat/ONAP Heat VNF Modularity.rst index 70ba197..7e1ebe3 100644 --- a/docs/Chapter5/Heat/ONAP Heat VNF Modularity.rst +++ b/docs/Chapter5/Heat/ONAP Heat VNF Modularity.rst @@ -15,12 +15,12 @@ referred to as *VNF Modules*. During orchestration, these modules are deployed incrementally to create the complete VNF. As stated in :need:`R-33132`, a VNF's Heat Orchestration Template **MAY** be - 1.) Base Module Heat Orchestration Template (also referred to as a - Base Module), - 2.) Incremental Module Heat Orchestration Template (referred to as - an Incremental Module), or - 3.) a Cinder Volume Module Heat Orchestration Template (referred to as - Cinder Volume Module). + 1. Base Module Heat Orchestration Template (also referred to as a + Base Module), + 2. Incremental Module Heat Orchestration Template (referred to as + an Incremental Module), or + 3. a Cinder Volume Module Heat Orchestration Template (referred to as + Cinder Volume Module). As stated in :need:`R-20974`, at orchestration time, the VNF's Base Module **MUST** be deployed first, prior to any incremental modules. @@ -39,6 +39,9 @@ As stated in :need:`R-37028` and :need:`R-13196`, a VNF **MUST** be composed of one Base Module and *MAY** be composed of zero to many Incremental Modules. +As stated in :need:`R-20974`, at orchestration time, the VNF's Base Module +**MUST** be deployed first, prior to any incremental modules. + ONAP also supports the concept of an optional, independently deployed Cinder volume via a separate Heat Orchestration Templates, referred to as a Cinder Volume Module. This allows the volume to persist after a VM @@ -58,6 +61,8 @@ Incremental Module. :id: R-61001 :target: VNF :keyword: MUST + :validation_mode: static + :updated: casablanca A shared Heat Orchestration Template resource must be defined in the base module. A shared resource is a resource that that will @@ -71,6 +76,9 @@ When the shared resource needs to be referenced by a resource in an incremental module, the UUID of the shared resource must be exposed by declaring an ONAP Base Module Output Parameter. +Note that a Cinder volume is not a shared resource. A volume template +must correspond 1:1 with a base module or incremental module. + An example of a shared resource is the resource OS::Neutron::SecurityGroup. Security groups are sets of IP filter rules that are applied to a VNF’s networking. The resource OS::Neutron::Port |