Add docs of ETSI CNF Healing
Usage guides for how to heal ETSI NFV-SOL containerized VNF is added in user docs. Change-Id: Ib9b0b7073130ff73f1da4bd6a080e1d21f92a79f
This commit is contained in:
Ayumu Ueha
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cc4b7b6bef
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1d8c0a89dd
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========================
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ETSI NFV-SOL CNF Healing
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========================
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This document describes how to heal CNF in Tacker.
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Prerequisites
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-------------
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The following packages should be installed:
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* tacker
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* python-tackerclient
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The procedure of prepare for healing operation that from "register VIM" to
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"Instantiate VNF", basically refer to
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:doc:`./etsi_containerized_vnf_usage_guide`.
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This procedure uses an example using the sample VNF package.
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How to create VNF package for healing
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Using `tacker/tests/etc/samples/etsi/nfv/test_cnf_heal`_,
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describe how to create VNF package for healing.
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.. code-block:: console
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$ cd tacker/tests/etc/samples/etsi/nfv/test_cnf_heal
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Download official definition files from ETSI NFV.
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ETSI GS NFV-SOL 001 [i.4] specifies the structure and format of the VNFD based
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on TOSCA specifications.
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.. code-block:: console
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$ cd Definitions
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$ wget https://forge.etsi.org/rep/nfv/SOL001/raw/v2.6.1/etsi_nfv_sol001_common_types.yaml
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$ wget https://forge.etsi.org/rep/nfv/SOL001/raw/v2.6.1/etsi_nfv_sol001_vnfd_types.yaml
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CSAR Package should be compressed into a ZIP file for uploading.
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Following commands are an example of compressing a VNF Package:
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.. code-block:: console
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$ cd -
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$ zip deployment.zip -r Definitions/ Files/ TOSCA-Metadata/
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$ ls
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Definitions deployment.zip Files TOSCA-Metadata
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After creating a vnf package with :command:`openstack vnf package create`,
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some information including ID, Links,
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Onboarding State, Operational State, and Usage State will be returned.
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When the Onboarding State is CREATED, the Operational State is DISABLED,
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and the Usage State is NOT_IN_USE, indicate the creation is successful.
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.. code-block:: console
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$ openstack vnf package create
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+-------------------+-------------------------------------------------------------------------------------------------+
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| Field | Value |
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+-------------------+-------------------------------------------------------------------------------------------------+
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| ID | 08d00a5c-e8aa-4219-9412-411458eaa7d2 |
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| Links | { |
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| | "self": { |
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| | "href": "/vnfpkgm/v1/vnf_packages/08d00a5c-e8aa-4219-9412-411458eaa7d2" |
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| | }, |
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| | "packageContent": { |
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| | "href": "/vnfpkgm/v1/vnf_packages/08d00a5c-e8aa-4219-9412-411458eaa7d2/package_content" |
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| | } |
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| | } |
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| Onboarding State | CREATED |
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| Operational State | DISABLED |
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| Usage State | NOT_IN_USE |
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| User Defined Data | {} |
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+-------------------+-------------------------------------------------------------------------------------------------+
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Upload the CSAR zip file to the VNF Package by running the following command
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:command:`openstack vnf package upload --path <path of vnf package> <vnf package ID>`.
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Here is an example of uploading VNF package:
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.. code-block:: console
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$ openstack vnf package upload --path deployment.zip 08d00a5c-e8aa-4219-9412-411458eaa7d2
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Upload request for VNF package 08d00a5c-e8aa-4219-9412-411458eaa7d2 has been accepted.
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Create VNF instance by running :command:`openstack vnflcm create <VNFD ID>`.
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Here is an example of creating VNF :
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.. code-block:: console
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$ openstack vnflcm create b1bb0ce7-ebca-4fa7-95ed-4840d70a1177
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+--------------------------+---------------------------------------------------------------------------------------------+
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| Field | Value |
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+--------------------------+---------------------------------------------------------------------------------------------+
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| ID | 92cf0ccb-e575-46e2-9c0d-30c67e75aaf6 |
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| Instantiation State | NOT_INSTANTIATED |
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| Links | { |
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| | "self": { |
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| | "href": "/vnflcm/v1/vnf_instances/92cf0ccb-e575-46e2-9c0d-30c67e75aaf6" |
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| | }, |
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| | "instantiate": { |
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| | "href": "/vnflcm/v1/vnf_instances/92cf0ccb-e575-46e2-9c0d-30c67e75aaf6/instantiate" |
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| | } |
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| | } |
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| VNF Instance Description | None |
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| VNF Instance Name | None |
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| VNF Product Name | Sample VNF |
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| VNF Provider | Company |
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| VNF Software Version | 1.0 |
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| VNFD ID | b1bb0ce7-ebca-4fa7-95ed-4840d70a1177 |
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| VNFD Version | 1.0 |
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+--------------------------+---------------------------------------------------------------------------------------------+
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After the command is executed, instantiate VNF.
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Instantiate VNF by running the following command
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:command:`openstack vnflcm instantiate <VNF instance ID> <json file>`.
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The following example shows a json file that deploys the Kubernetes resources
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described in ``deployment_heal_simple.yaml``. Please note that ``additionalParams``
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includes path of Kubernetes resource definition file and that
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``lcm-kubernetes-def-files`` should be a list.
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.. code-block:: console
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$ cat ./instance_kubernetes.json
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{
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"flavourId": "simple",
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"additionalParams": {
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"lcm-kubernetes-def-files": [
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"Files/kubernetes/deployment_heal_simple.yaml"
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]
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},
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"vimConnectionInfo": [
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{
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"id": "8a3adb69-0784-43c7-833e-aab0b6ab4470",
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"vimId": "8d8373fe-6977-49ff-83ac-7756572ed186",
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"vimType": "kubernetes"
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}
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]
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}
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$ openstack vnflcm instantiate 92cf0ccb-e575-46e2-9c0d-30c67e75aaf6 instance_kubernetes.json
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Instantiate request for VNF Instance 92cf0ccb-e575-46e2-9c0d-30c67e75aaf6 has been accepted.
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CNF healing procedure
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---------------------
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As mentioned in Prerequisites and Healing target VNF instance, the VNF must be
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instantiated before healing.
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Details of CLI commands are described in :doc:`../cli/cli-etsi-vnflcm`.
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There are two main methods for CNF healing.
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* Healing of the entire VNF
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Heal entire VNF instance by termination and instantiation of the VNF.
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* Healing specified with VNFC instances
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Heal Pod (mapped as VNFC) that is singleton or created using controller
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resources of Kubernetes such as Deployment, DaemonSet, StatefulSet and
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ReplicaSet.
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.. note:: A VNFC is a 'VNF Component', and one VNFC basically corresponds to
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one VDU in the VNF. For more information on VNFC, see
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`NFV-SOL002 v2.6.1`_.
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.. _labelCapHealingtargetVNFinstance:
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Healing target VNF instance
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~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Assuming that the following VNF instance exists. VNF Instance is made by using
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`tacker/tests/etc/samples/etsi/nfv/test_cnf_heal`_.
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This instance will be healed.
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.. code-block:: console
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$ openstack vnflcm show VNF_INSTANCE_ID
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Result:
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.. code-block:: console
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+--------------------------+-------------------------------------------------------------------------------------------+
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| Field | Value |
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+--------------------------+-------------------------------------------------------------------------------------------+
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| ID | 92cf0ccb-e575-46e2-9c0d-30c67e75aaf6 |
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| Instantiated Vnf Info | { |
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| | "flavourId": "simple", |
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| | "vnfState": "STARTED", |
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| | "scaleStatus": [ |
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| | { |
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| | "aspectId": "vdu1_aspect", |
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| | "scaleLevel": 0 |
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| | } |
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| | ], |
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| | "extCpInfo": [], |
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| | "vnfcResourceInfo": [ |
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| | { |
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| | "id": "686b356f-8096-4e24-99e5-3c81d36341be", |
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| | "vduId": "VDU1", |
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| | "computeResource": { |
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| | "vimConnectionId": null, |
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| | "resourceId": "vdu1-heal-simple-75b5566444-wgc7m", |
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| | "vimLevelResourceType": "Deployment" |
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| | }, |
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| | "storageResourceIds": [] |
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| | }, |
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| | { |
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| | "id": "73cb41e7-31ae-494b-b4d0-66b8168c257e", |
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| | "vduId": "VDU1", |
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| | "computeResource": { |
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| | "vimConnectionId": null, |
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| | "resourceId": "vdu1-heal-simple-75b5566444-wwzcm", |
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| | "vimLevelResourceType": "Deployment" |
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| | }, |
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| | "storageResourceIds": [] |
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| | } |
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| | ], |
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| | "additionalParams": {} |
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| | } |
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| Instantiation State | INSTANTIATED |
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| Links | { |
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| | "self": { |
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| | "href": "/vnflcm/v1/vnf_instances/92cf0ccb-e575-46e2-9c0d-30c67e75aaf6" |
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| | }, |
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| | "terminate": { |
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| | "href": "/vnflcm/v1/vnf_instances/92cf0ccb-e575-46e2-9c0d-30c67e75aaf6/terminate" |
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| | }, |
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| | "heal": { |
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| | "href": "/vnflcm/v1/vnf_instances/92cf0ccb-e575-46e2-9c0d-30c67e75aaf6/heal" |
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| | } |
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| | } |
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| VIM Connection Info | [ |
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| | { |
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| | "id": "8a3adb69-0784-43c7-833e-aab0b6ab4470", |
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| | "vimId": "8d8373fe-6977-49ff-83ac-7756572ed186", |
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| | "vimType": "kubernetes", |
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| | "interfaceInfo": {}, |
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| | "accessInfo": {} |
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| | } |
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| | ] |
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| VNF Instance Description | None |
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| VNF Instance Name | None |
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| VNF Product Name | Sample VNF |
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| VNF Provider | Company |
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| VNF Software Version | 1.0 |
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| VNFD ID | b1bb0ce7-ebca-4fa7-95ed-4840d70a1177 |
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| VNFD Version | 1.0 |
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+--------------------------+-------------------------------------------------------------------------------------------+
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How to heal of the entire VNF
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Execute Heal of the entire CNF with CLI command and check the name and age of
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pod information before and after healing.
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This is to confirm that the name has changed and age has been new after heal.
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Pod information before heal:
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.. code-block:: console
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$ kubectl get pod
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NAME READY STATUS RESTARTS AGE
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vdu1-heal-simple-75b5566444-wgc7m 1/1 Running 0 20m
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vdu1-heal-simple-75b5566444-wwzcm 1/1 Running 0 20m
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Heal entire VNF can be executed by the following CLI command.
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.. code-block:: console
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$ openstack vnflcm heal VNF_INSTANCE_ID
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Result:
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.. code-block:: console
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Heal request for VNF Instance 92cf0ccb-e575-46e2-9c0d-30c67e75aaf6 has been accepted.
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Pod information after heal:
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.. code-block:: console
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$ kubectl get pod
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NAME READY STATUS RESTARTS AGE
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vdu1-heal-simple-75b5566444-ks785 1/1 Running 0 60s
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vdu1-heal-simple-75b5566444-p5mjv 1/1 Running 0 60s
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All ``vnfcResourcecInfo`` in ``Instnatiated Vnf Info`` will be updated from
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the VNF Instance displayed in :ref:`labelCapHealingtargetVNFinstance`.
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.. code-block:: console
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$ openstack vnflcm show VNF_INSTANCE_ID
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Result:
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.. code-block:: console
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+--------------------------+-------------------------------------------------------------------------------------------+
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| Field | Value |
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+--------------------------+-------------------------------------------------------------------------------------------+
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| ID | 92cf0ccb-e575-46e2-9c0d-30c67e75aaf6 |
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| Instantiated Vnf Info | { |
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| | "flavourId": "simple", |
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| | "vnfState": "STARTED", |
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| | "scaleStatus": [ |
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| | { |
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| | "aspectId": "vdu1_aspect", |
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| | "scaleLevel": 0 |
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| | } |
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| | ], |
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| | "extCpInfo": [], |
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| | "vnfcResourceInfo": [ |
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| | { |
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| | "id": "a77b9a8e-a672-492d-9459-81c7b6483947", |
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| | "vduId": "VDU1", |
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| | "computeResource": { |
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| | "vimConnectionId": null, |
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| | "resourceId": "vdu1-heal-simple-75b5566444-j45qb", |
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| | "vimLevelResourceType": "Deployment" |
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| | }, |
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| | "storageResourceIds": [] |
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| | }, |
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| | { |
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| | "id": "9463d02b-faba-41cb-8131-e90eaa319c83", |
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| | "vduId": "VDU1", |
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| | "computeResource": { |
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| | "vimConnectionId": null, |
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| | "resourceId": "vdu1-heal-simple-75b5566444-p5mjv", |
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| | "vimLevelResourceType": "Deployment" |
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| | }, |
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| | "storageResourceIds": [] |
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| | } |
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| | ], |
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| | "additionalParams": {} |
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| | } |
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| Instantiation State | INSTANTIATED |
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| Links | { |
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| | "self": { |
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| | "href": "/vnflcm/v1/vnf_instances/92cf0ccb-e575-46e2-9c0d-30c67e75aaf6" |
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| | }, |
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| | "terminate": { |
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| | "href": "/vnflcm/v1/vnf_instances/92cf0ccb-e575-46e2-9c0d-30c67e75aaf6/terminate" |
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| | }, |
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| | "heal": { |
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| | "href": "/vnflcm/v1/vnf_instances/92cf0ccb-e575-46e2-9c0d-30c67e75aaf6/heal" |
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| | } |
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| | } |
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| VIM Connection Info | [ |
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| | { |
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| | "id": "8a3adb69-0784-43c7-833e-aab0b6ab4470", |
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| | "vimId": "8d8373fe-6977-49ff-83ac-7756572ed186", |
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| | "vimType": "kubernetes", |
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| | "interfaceInfo": {}, |
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| | "accessInfo": {} |
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| | } |
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| | ] |
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| VNF Instance Description | None |
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| VNF Instance Name | None |
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| VNF Product Name | Sample VNF |
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| VNF Provider | Company |
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| VNF Software Version | 1.0 |
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| VNFD ID | b1bb0ce7-ebca-4fa7-95ed-4840d70a1177 |
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| VNFD Version | 1.0 |
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+--------------------------+-------------------------------------------------------------------------------------------+
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How to heal specified with VNFC instances
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Execute Heal of the partial CNF CLI command and check the name and age of pod
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information before and after healing.
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This is to confirm that the name has changed and age has been new after heal.
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Pod information before heal:
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.. code-block:: console
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$ kubectl get pod
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NAME READY STATUS RESTARTS AGE
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vdu1-heal-simple-75b5566444-wgc7m 1/1 Running 0 20m
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vdu1-heal-simple-75b5566444-wwzcm 1/1 Running 0 20m
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Heal specified with VNFC instances can be executed by running
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:command:`openstack vnflcm heal VNF_INSTANCE_ID --vnfc-instance VNFC_INSTANCE_ID`.
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In the example of this procedure, specify the ID
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``686b356f-8096-4e24-99e5-3c81d36341be`` of the first ``vnfcResourceInfo`` as
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``VNFC_INATANCE_ID``.
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.. code-block:: console
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$ openstack vnflcm heal 92cf0ccb-e575-46e2-9c0d-30c67e75aaf6 --vnfc-instance 686b356f-8096-4e24-99e5-3c81d36341be
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Result:
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.. code-block:: console
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Heal request for VNF Instance 92cf0ccb-e575-46e2-9c0d-30c67e75aaf6 has been accepted.
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Pod information after heal:
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.. code-block:: console
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$ kubectl get pod
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NAME READY STATUS RESTARTS AGE
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vdu1-heal-simple-75b5566444-ks785 1/1 Running 0 24s
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vdu1-heal-simple-75b5566444-wwzcm 1/1 Running 0 20m
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Only the ``resourceId`` of target ``vnfcResourcecInfo`` in
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``Instnatiated Vnf Info`` will be updated from the VNF Instance displayed in
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:ref:`labelCapHealingtargetVNFinstance`.
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.. code-block:: console
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$ openstack vnflcm show VNF_INSTANCE_ID
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Result:
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.. code-block:: console
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+--------------------------+-------------------------------------------------------------------------------------------+
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| Field | Value |
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+--------------------------+-------------------------------------------------------------------------------------------+
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| ID | 92cf0ccb-e575-46e2-9c0d-30c67e75aaf6 |
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| Instantiated Vnf Info | { |
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| | "flavourId": "simple", |
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| | "vnfState": "STARTED", |
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| | "scaleStatus": [ |
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| | { |
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||||
| | "aspectId": "vdu1_aspect", |
|
||||
| | "scaleLevel": 0 |
|
||||
| | } |
|
||||
| | ], |
|
||||
| | "extCpInfo": [], |
|
||||
| | "vnfcResourceInfo": [ |
|
||||
| | { |
|
||||
| | "id": "686b356f-8096-4e24-99e5-3c81d36341be", |
|
||||
| | "vduId": "VDU1", |
|
||||
| | "computeResource": { |
|
||||
| | "vimConnectionId": null, |
|
||||
| | "resourceId": "vdu1-heal-simple-75b5566444-ks785", |
|
||||
| | "vimLevelResourceType": "Deployment" |
|
||||
| | }, |
|
||||
| | "storageResourceIds": [] |
|
||||
| | }, |
|
||||
| | { |
|
||||
| | "id": "73cb41e7-31ae-494b-b4d0-66b8168c257e", |
|
||||
| | "vduId": "VDU1", |
|
||||
| | "computeResource": { |
|
||||
| | "vimConnectionId": null, |
|
||||
| | "resourceId": "vdu1-heal-simple-75b5566444-wwzcm", |
|
||||
| | "vimLevelResourceType": "Deployment" |
|
||||
| | }, |
|
||||
| | "storageResourceIds": [] |
|
||||
| | } |
|
||||
| | ], |
|
||||
| | "additionalParams": {} |
|
||||
| | } |
|
||||
| Instantiation State | INSTANTIATED |
|
||||
| Links | { |
|
||||
| | "self": { |
|
||||
| | "href": "/vnflcm/v1/vnf_instances/92cf0ccb-e575-46e2-9c0d-30c67e75aaf6" |
|
||||
| | }, |
|
||||
| | "terminate": { |
|
||||
| | "href": "/vnflcm/v1/vnf_instances/92cf0ccb-e575-46e2-9c0d-30c67e75aaf6/terminate" |
|
||||
| | }, |
|
||||
| | "heal": { |
|
||||
| | "href": "/vnflcm/v1/vnf_instances/92cf0ccb-e575-46e2-9c0d-30c67e75aaf6/heal" |
|
||||
| | } |
|
||||
| | } |
|
||||
| VIM Connection Info | [ |
|
||||
| | { |
|
||||
| | "id": "8a3adb69-0784-43c7-833e-aab0b6ab4470", |
|
||||
| | "vimId": "8d8373fe-6977-49ff-83ac-7756572ed186", |
|
||||
| | "vimType": "kubernetes", |
|
||||
| | "interfaceInfo": {}, |
|
||||
| | "accessInfo": {} |
|
||||
| | } |
|
||||
| | ] |
|
||||
| VNF Instance Description | None |
|
||||
| VNF Instance Name | None |
|
||||
| VNF Product Name | Sample VNF |
|
||||
| VNF Provider | Company |
|
||||
| VNF Software Version | 1.0 |
|
||||
| VNFD ID | b1bb0ce7-ebca-4fa7-95ed-4840d70a1177 |
|
||||
| VNFD Version | 1.0 |
|
||||
+--------------------------+-------------------------------------------------------------------------------------------+
|
||||
|
||||
|
||||
.. _NFV-SOL002 v2.6.1 : https://www.etsi.org/deliver/etsi_gs/NFV-SOL/001_099/002/02.06.01_60/gs_nfv-sol002v020601p.pdf
|
||||
.. _tacker/tests/etc/samples/etsi/nfv/test_cnf_heal : https://opendev.org/openstack/tacker/src/branch/master/tacker/tests/etc/samples/etsi/nfv/test_cnf_heal
|
||||
|
|
@ -56,6 +56,7 @@ Use cases
|
|||
etsi_vnf_error_handling.rst
|
||||
etsi_vnf_healing.rst
|
||||
etsi_vnf_scaling.rst
|
||||
etsi_cnf_healing.rst
|
||||
etsi_cnf_scaling.rst
|
||||
containerized_vnf_usage_guide.rst
|
||||
../reference/mistral_workflows_usage_guide.rst
|
||||
|
|
|
|||
Loading…
Reference in New Issue