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.. Licensed under a Creative Commons Attribution 4.0 International License.
.. http://creativecommons.org/licenses/by/4.0
.. Copyright 2017 AT&T Intellectual Property. All rights reserved.
{vm-type}
---------
.. req::
:id: R-01455
:target: VNF
:keyword: MUST
:updated: dublin
:validation_mode: static
When a VNF's Heat Orchestration Template creates a Virtual Machine
(i.e., ``OS::Nova::Server``),
each "class" of VMs **MUST** be assigned a VNF unique
``{vm-type}``; where "class" defines VMs that
**MUST** have the following identical characteristics:
1.) ``OS::Nova::Server`` resource property ``flavor`` value
2.) ``OS::Nova::Server`` resource property ``image`` value
3.) Cinder Volume attachments
- Each VM in the "class" **MUST** have the identical Cinder Volume
configuration
4.) Network attachments and IP address requirements
- Each VM in the "class" **MUST** have the identical number of
ports connecting to the identical networks and requiring the identical
IP address configuration.
The ``{vm-type}`` will be used in a VNF's Heat Orchestration Template's
* Resource IDs
* Resource property parameter names
A VNF's Heat Orchestration Template's Resource property parameter that is
associated with a unique Virtual Machine type **MUST** include
``{vm-type}`` as part of the parameter name with two exceptions:
1.) The Resource ``OS::Nova::Server`` property ``availability_zone``
parameter **MUST NOT** be prefixed with a common ``{vm-type}`` identifier,
2.) The Resource ``OS::Nova::Server`` mandatory and optional
``metadata`` parameters
* ``vnf_name``
* ``vnf_id``
* ``vf_module_id``
* ``vf_module_name``
* ``vf_module_index``
* ``environment_context``
* ``workload_context``
**MUST NOT** be prefixed with a common ``{vm-type}`` identifier.
Requirements for specific resource property parameter names can be
found in later sections of this document.
.. req::
:id: R-98407
:target: VNF
:keyword: MUST NOT
:updated: casablanca
:validation_mode: static
A VNF's Heat Orchestration Template's ``{vm-type}`` **MUST** contain only
alphanumeric characters and/or underscores '_' and **MUST NOT**
contain any of the following strings:
``_int`` or ``int_`` or ``_int_``.
.. req::
:id: R-48067
:target: VNF
:keyword: MUST NOT
:updated: casablanca
:validation_mode: static
A VNF's Heat Orchestration Template's ``{vm-type}`` **MUST NOT** be a
substring
of ``{network-role}``.
It may cause the VNF Validation Program validation-scripts project
to produce erroneous error messages.
.. req::
:id: R-32394
:target: VNF
:keyword: MUST
:updated: casablanca
:validation_mode: static
A VNF's Heat Orchestration Template's use of ``{vm-type}`` in all Resource
property parameter names **MUST** be the same case.
.. req::
:id: R-46839
:target: VNF
:keyword: MUST
:updated: casablanca
:validation_mode: static
A VNF's Heat Orchestration Template's use of ``{vm-type}``
in all Resource IDs **MUST** be the same case.
.. req::
:id: R-36687
:target: VNF
:keyword: SHOULD
:updated: casablanca
A VNF's Heat Orchestration Template's ``{vm-type}`` case in Resource
property parameter names **SHOULD** match the case of ``{vm-type}``
in Resource IDs and vice versa.
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