ETSI NFV-SOL VNF Healing¶
This document describes how to heal VNF in Tacker v1 API.
Note
This is a document for Tacker v1 API. See ETSI NFV-SOL VNF Healing for Tacker v2 API.
Overview¶
The diagram below shows an overview of the VNF healing.
Request heal VNF
A user requests tacker-server to heal a VNF or all VNFs with tacker-client by requesting
heal VNF.Call OpenStack Heat API
Upon receiving a request from tacker-client, tacker-server redirects it to tacker-conductor. In tacker-conductor, the request is redirected again to an appropriate infra-driver (in this case OpenStack infra-driver) according to the contents of the instantiate parameters. Then, OpenStack infra-driver calls OpenStack Heat APIs.
Re-create VMs
OpenStack Heat re-creates VMs according to the API calls.
Prerequisites¶
The following packages should be installed:
tacker
python-tackerclient
A default VIM should be registered according to VIM Management.
The VNF Package(sample_vnf_package_csar.zip) used below is prepared by referring to VNF Package.
The procedure of prepare for healing operation that from “register VIM” to “Instantiate VNF”, basically refer to ETSI NFV-SOL VNF Deployment as VM with TOSCA or ETSI NFV-SOL VNF Deployment as VM with LCM Operation User Data.
This procedure uses an example using the sample VNF package.
Healing Target VNF Instance¶
Assuming that the following VNF instance exists, this instance will be healed.
$ openstack vnflcm show VNF_INSTANCE_ID
Result:
+-----------------------------+----------------------------------------------------------------------------------------------------------------------+
| Field | Value |
+-----------------------------+----------------------------------------------------------------------------------------------------------------------+
| ID | c3f9c200-7f52-42c5-9c64-6032faa3faf8 |
| Instantiated Vnf Info | { |
| | "flavourId": "simple", |
| | "vnfState": "STARTED", |
| | "scaleStatus": [ |
| | { |
| | "aspectId": "worker_instance", |
| | "scaleLevel": 0 |
| | } |
| | ], |
| | "extCpInfo": [ |
| | { |
| | "id": "d7c14d6f-3bac-4e11-a512-5101b4933545", |
| | "cpdId": "VDU1_CP1", |
| | "extLinkPortId": null, |
| | "associatedVnfcCpId": "b0f677ce-93db-416a-839b-998707338d14", |
| | "cpProtocolInfo": [] |
| | }, |
| | { |
| | "id": "e3513495-c555-4a1f-a9cc-07a0feae2720", |
| | "cpdId": "VDU2_CP1", |
| | "extLinkPortId": null, |
| | "associatedVnfcCpId": "9da6945b-d9a3-4001-a03a-7b239b7e7084", |
| | "cpProtocolInfo": [] |
| | }, |
| | { |
| | "id": "53c187aa-d05c-4995-9518-3119ac02ee66", |
| | "cpdId": "VDU1_CP2", |
| | "extLinkPortId": null, |
| | "associatedVnfcCpId": "b0f677ce-93db-416a-839b-998707338d14", |
| | "cpProtocolInfo": [ |
| | { |
| | "layerProtocol": "IP_OVER_ETHERNET", |
| | "ipOverEthernet": { |
| | "macAddress": null, |
| | "ipAddresses": [ |
| | { |
| | "type": "IPV4", |
| | "subnetId": "d290cae3-0dbc-44a3-a043-1a50ded04a64", |
| | "isDynamic": false, |
| | "addresses": [ |
| | "22.22.1.10" |
| | ] |
| | } |
| | ] |
| | } |
| | } |
| | ] |
| | }, |
| | { |
| | "id": "9fcec4e1-e808-4dc6-b048-79ec88d0aa40", |
| | "cpdId": "VDU2_CP2", |
| | "extLinkPortId": null, |
| | "associatedVnfcCpId": "9da6945b-d9a3-4001-a03a-7b239b7e7084", |
| | "cpProtocolInfo": [ |
| | { |
| | "layerProtocol": "IP_OVER_ETHERNET", |
| | "ipOverEthernet": { |
| | "macAddress": null, |
| | "ipAddresses": [ |
| | { |
| | "type": "IPV4", |
| | "subnetId": "d290cae3-0dbc-44a3-a043-1a50ded04a64", |
| | "isDynamic": false, |
| | "addresses": [ |
| | "22.22.1.20" |
| | ] |
| | } |
| | ] |
| | } |
| | } |
| | ] |
| | } |
| | ], |
| | "extVirtualLinkInfo": [ |
| | { |
| | "id": "91bcff6d-4703-4ba9-b1c2-009e6db92a9c", |
| | "resourceHandle": { |
| | "vimConnectionId": "79a97d01-e5f3-4eaa-b2bc-8f513ecb8a56", |
| | "resourceId": "3019b1e7-99d8-4748-97ac-104922bc78d9", |
| | "vimLevelResourceType": null |
| | }, |
| | "extLinkPorts": [ |
| | { |
| | "id": "6b7c0b3a-cc2d-4b94-9f6f-81df69a7cc2f", |
| | "resourceHandle": { |
| | "vimConnectionId": "79a97d01-e5f3-4eaa-b2bc-8f513ecb8a56", |
| | "resourceId": "972a375d-921f-46f5-bfdb-19af95fc49e1", |
| | "vimLevelResourceType": null |
| | }, |
| | "cpInstanceId": "9fcec4e1-e808-4dc6-b048-79ec88d0aa40" |
| | }, |
| | { |
| | "id": "02d867e7-b955-4b4a-b92f-c78c7ede63bf", |
| | "resourceHandle": { |
| | "vimConnectionId": "79a97d01-e5f3-4eaa-b2bc-8f513ecb8a56", |
| | "resourceId": "b853b5c5-cd97-4dfb-8750-cac6e5c62477", |
| | "vimLevelResourceType": null |
| | }, |
| | "cpInstanceId": "9fcec4e1-e808-4dc6-b048-79ec88d0aa40" |
| | } |
| | ] |
| | }, |
| | { |
| | "id": "a96d2f5b-c01a-48e1-813c-76132965042c", |
| | "resourceHandle": { |
| | "vimConnectionId": "79a97d01-e5f3-4eaa-b2bc-8f513ecb8a56", |
| | "resourceId": "589a045a-65d9-4f4d-a9b3-35aa655374d0", |
| | "vimLevelResourceType": null |
| | } |
| | } |
| | ], |
| | "extManagedVirtualLinkInfo": [ |
| | { |
| | "id": "8f9d8da0-2386-4f00-bbb0-860f50d32a5a", |
| | "vnfVirtualLinkDescId": "internalVL1", |
| | "networkResource": { |
| | "vimConnectionId": null, |
| | "resourceId": "0e498d08-ed3a-4212-83e0-1b6808f6fcb6", |
| | "vimLevelResourceType": "OS::Neutron::Net" |
| | }, |
| | "vnfLinkPorts": [ |
| | { |
| | "id": "f5de777b-22e9-480a-a044-5359cc8b6263", |
| | "resourceHandle": { |
| | "vimConnectionId": "c637c425-62e8-432f-94f4-bff8d3323e29", |
| | "resourceId": "ddb45b78-385d-4c18-aec3-10bf6bafb840", |
| | "vimLevelResourceType": "OS::Neutron::Port" |
| | }, |
| | "cpInstanceId": "a98f1c4b-f4c9-4603-8813-4a9dbb003950" |
| | }, |
| | { |
| | "id": "d754bcb0-5ab4-4715-9469-e946ec69733e", |
| | "resourceHandle": { |
| | "vimConnectionId": "c637c425-62e8-432f-94f4-bff8d3323e29", |
| | "resourceId": "29de4ae6-1004-4607-9023-818efacba3ce", |
| | "vimLevelResourceType": "OS::Neutron::Port" |
| | }, |
| | "cpInstanceId": "c408c3a8-924b-4570-a896-ddb5bd56d14a" |
| | } |
| | ] |
| | }, |
| | { |
| | "id": "11d68761-aab7-419c-955c-0c6497f13692", |
| | "vnfVirtualLinkDescId": "internalVL2", |
| | "networkResource": { |
| | "vimConnectionId": null, |
| | "resourceId": "38a8d4ba-ac1b-41a2-a92b-ff2a3e5e9b12", |
| | "vimLevelResourceType": "OS::Neutron::Net" |
| | }, |
| | "vnfLinkPorts": [ |
| | { |
| | "id": "1b664cfb-6c8b-4f02-a535-f683fe414e31", |
| | "resourceHandle": { |
| | "vimConnectionId": "c637c425-62e8-432f-94f4-bff8d3323e29", |
| | "resourceId": "2215cb28-9876-4c43-a71d-c63ae42a7ab4", |
| | "vimLevelResourceType": "OS::Neutron::Port" |
| | }, |
| | "cpInstanceId": "f16e20d7-cb86-4b4d-a4fa-f27802eaf628" |
| | }, |
| | { |
| | "id": "65c35b4c-1a8b-4495-a396-73d09f4cebea", |
| | "resourceHandle": { |
| | "vimConnectionId": "c637c425-62e8-432f-94f4-bff8d3323e29", |
| | "resourceId": "0019f288-38b3-4247-89fc-51ecf7663401", |
| | "vimLevelResourceType": "OS::Neutron::Port" |
| | }, |
| | "cpInstanceId": "269b2b44-7577-45b5-8038-1e67d34dea41" |
| | } |
| | ] |
| | } |
| | ], |
| | "vnfcResourceInfo": [ |
| | { |
| | "id": "b0f677ce-93db-416a-839b-998707338d14", |
| | "vduId": "VDU1", |
| | "computeResource": { |
| | "vimConnectionId": "c637c425-62e8-432f-94f4-bff8d3323e29", |
| | "resourceId": "2bd41386-1971-425c-9f27-310c7a4d6181", |
| | "vimLevelResourceType": "OS::Nova::Server" |
| | }, |
| | "storageResourceIds": [], |
| | "vnfcCpInfo": [ |
| | { |
| | "id": "c86cef0a-150d-4eff-a21f-a48c6fcfa258", |
| | "cpdId": "VDU1_CP1", |
| | "vnfExtCpId": "6b7c0b3a-cc2d-4b94-9f6f-81df69a7cc2f", |
| | "vnfLinkPortId": "f2105dd9-fed4-43dd-8d74-fcf0199cb716" |
| | }, |
| | { |
| | "id": "426c0473-2de1-42dc-ae1f-ff4cf4d8b29b", |
| | "cpdId": "VDU1_CP2", |
| | "vnfExtCpId": null, |
| | "vnfLinkPortId": "9925668e-ceea-45ef-817a-25d19572a494", |
| | "cpProtocolInfo": [ |
| | { |
| | "layerProtocol": "IP_OVER_ETHERNET", |
| | "ipOverEthernet": { |
| | "macAddress": null, |
| | "ipAddresses": [ |
| | { |
| | "type": "IPV4", |
| | "subnetId": "d290cae3-0dbc-44a3-a043-1a50ded04a64", |
| | "isDynamic": false, |
| | "addresses": [ |
| | "22.22.1.10" |
| | ] |
| | } |
| | ] |
| | } |
| | } |
| | ] |
| | }, |
| | { |
| | "id": "a98f1c4b-f4c9-4603-8813-4a9dbb003950", |
| | "cpdId": "VDU1_CP3", |
| | "vnfExtCpId": null, |
| | "vnfLinkPortId": "f5de777b-22e9-480a-a044-5359cc8b6263" |
| | }, |
| | { |
| | "id": "f16e20d7-cb86-4b4d-a4fa-f27802eaf628", |
| | "cpdId": "VDU1_CP4", |
| | "vnfExtCpId": null, |
| | "vnfLinkPortId": "1b664cfb-6c8b-4f02-a535-f683fe414e31" |
| | }, |
| | { |
| | "id": "89dd97c3-ef2d-4df5-a18a-f542e573a5bd", |
| | "cpdId": "VDU1_CP5", |
| | "vnfExtCpId": null, |
| | "vnfLinkPortId": "1a8d6c49-40bb-4f24-96e7-6efba6001671" |
| | } |
| | ] |
| | }, |
| | { |
| | "id": "9da6945b-d9a3-4001-a03a-7b239b7e7084", |
| | "vduId": "VDU2", |
| | "computeResource": { |
| | "vimConnectionId": "c637c425-62e8-432f-94f4-bff8d3323e29", |
| | "resourceId": "777515dd-35c9-4f06-ad6b-f79323097e0f", |
| | "vimLevelResourceType": "OS::Nova::Server" |
| | }, |
| | "storageResourceIds": [], |
| | "vnfcCpInfo": [ |
| | { |
| | "id": "12ea4352-66a5-47a4-989f-d4d06d5bab1a", |
| | "cpdId": "VDU2_CP1", |
| | "vnfExtCpId": "02d867e7-b955-4b4a-b92f-c78c7ede63bf", |
| | "vnfLinkPortId": "6043706d-6173-40ef-8bc5-519868ce9fe4" |
| | }, |
| | { |
| | "id": "b6a56d88-da99-4036-872f-f10759b00ed8", |
| | "cpdId": "VDU2_CP2", |
| | "vnfExtCpId": null, |
| | "vnfLinkPortId": "bfd0d3ad-1f9c-4102-b446-c7f33881b136", |
| | "cpProtocolInfo": [ |
| | { |
| | "layerProtocol": "IP_OVER_ETHERNET", |
| | "ipOverEthernet": { |
| | "macAddress": null, |
| | "ipAddresses": [ |
| | { |
| | "type": "IPV4", |
| | "subnetId": "d290cae3-0dbc-44a3-a043-1a50ded04a64", |
| | "isDynamic": false, |
| | "addresses": [ |
| | "22.22.1.20" |
| | ] |
| | } |
| | ] |
| | } |
| | } |
| | ] |
| | }, |
| | { |
| | "id": "c408c3a8-924b-4570-a896-ddb5bd56d14a", |
| | "cpdId": "VDU2_CP3", |
| | "vnfExtCpId": null, |
| | "vnfLinkPortId": "d754bcb0-5ab4-4715-9469-e946ec69733e" |
| | }, |
| | { |
| | "id": "269b2b44-7577-45b5-8038-1e67d34dea41", |
| | "cpdId": "VDU2_CP4", |
| | "vnfExtCpId": null, |
| | "vnfLinkPortId": "65c35b4c-1a8b-4495-a396-73d09f4cebea" |
| | }, |
| | { |
| | "id": "bb1ed2d3-da19-4b45-b326-cf9e76fd788a", |
| | "cpdId": "VDU2_CP5", |
| | "vnfExtCpId": null, |
| | "vnfLinkPortId": "46cd8f09-d877-491b-8928-345ec6461637" |
| | } |
| | ] |
| | } |
| | ], |
| | "vnfVirtualLinkResourceInfo": [ |
| | { |
| | "id": "b3244c22-2365-476e-bc7b-40cbaee45ce1", |
| | "vnfVirtualLinkDescId": "internalVL1", |
| | "networkResource": { |
| | "vimConnectionId": null, |
| | "resourceId": "0e498d08-ed3a-4212-83e0-1b6808f6fcb6", |
| | "vimLevelResourceType": "OS::Neutron::Net" |
| | }, |
| | "vnfLinkPorts": [ |
| | { |
| | "id": "f5de777b-22e9-480a-a044-5359cc8b6263", |
| | "resourceHandle": { |
| | "vimConnectionId": "c637c425-62e8-432f-94f4-bff8d3323e29", |
| | "resourceId": "ddb45b78-385d-4c18-aec3-10bf6bafb840", |
| | "vimLevelResourceType": "OS::Neutron::Port" |
| | }, |
| | "cpInstanceId": "a98f1c4b-f4c9-4603-8813-4a9dbb003950" |
| | }, |
| | { |
| | "id": "d754bcb0-5ab4-4715-9469-e946ec69733e", |
| | "resourceHandle": { |
| | "vimConnectionId": "c637c425-62e8-432f-94f4-bff8d3323e29", |
| | "resourceId": "29de4ae6-1004-4607-9023-818efacba3ce", |
| | "vimLevelResourceType": "OS::Neutron::Port" |
| | }, |
| | "cpInstanceId": "c408c3a8-924b-4570-a896-ddb5bd56d14a" |
| | } |
| | ] |
| | }, |
| | { |
| | "id": "c9182342-bfc4-4ba8-9e26-02fd0565db4d", |
| | "vnfVirtualLinkDescId": "internalVL2", |
| | "networkResource": { |
| | "vimConnectionId": null, |
| | "resourceId": "38a8d4ba-ac1b-41a2-a92b-ff2a3e5e9b12", |
| | "vimLevelResourceType": "OS::Neutron::Net" |
| | }, |
| | "vnfLinkPorts": [ |
| | { |
| | "id": "1b664cfb-6c8b-4f02-a535-f683fe414e31", |
| | "resourceHandle": { |
| | "vimConnectionId": "c637c425-62e8-432f-94f4-bff8d3323e29", |
| | "resourceId": "2215cb28-9876-4c43-a71d-c63ae42a7ab4", |
| | "vimLevelResourceType": "OS::Neutron::Port" |
| | }, |
| | "cpInstanceId": "f16e20d7-cb86-4b4d-a4fa-f27802eaf628" |
| | }, |
| | { |
| | "id": "65c35b4c-1a8b-4495-a396-73d09f4cebea", |
| | "resourceHandle": { |
| | "vimConnectionId": "c637c425-62e8-432f-94f4-bff8d3323e29", |
| | "resourceId": "0019f288-38b3-4247-89fc-51ecf7663401", |
| | "vimLevelResourceType": "OS::Neutron::Port" |
| | }, |
| | "cpInstanceId": "269b2b44-7577-45b5-8038-1e67d34dea41" |
| | } |
| | ] |
| | }, |
| | { |
| | "id": "81ed1791-a1c2-46fb-a999-dd9d601b06ec", |
| | "vnfVirtualLinkDescId": "internalVL3", |
| | "networkResource": { |
| | "vimConnectionId": null, |
| | "resourceId": "", |
| | "vimLevelResourceType": null |
| | }, |
| | "vnfLinkPorts": [ |
| | { |
| | "id": "1a8d6c49-40bb-4f24-96e7-6efba6001671", |
| | "resourceHandle": { |
| | "vimConnectionId": "c637c425-62e8-432f-94f4-bff8d3323e29", |
| | "resourceId": "84d7fc8c-fb52-4593-875b-bf303ec5fc8c", |
| | "vimLevelResourceType": "OS::Neutron::Port" |
| | }, |
| | "cpInstanceId": "89dd97c3-ef2d-4df5-a18a-f542e573a5bd" |
| | }, |
| | { |
| | "id": "46cd8f09-d877-491b-8928-345ec6461637", |
| | "resourceHandle": { |
| | "vimConnectionId": "c637c425-62e8-432f-94f4-bff8d3323e29", |
| | "resourceId": "65650d05-a562-4c5f-84d2-e9304ef68377", |
| | "vimLevelResourceType": "OS::Neutron::Port" |
| | }, |
| | "cpInstanceId": "bb1ed2d3-da19-4b45-b326-cf9e76fd788a" |
| | } |
| | ] |
| | }, |
| | { |
| | "id": "1d1a0824-5c4d-461e-9a29-5e72db1e5855", |
| | "vnfVirtualLinkDescId": "91bcff6d-4703-4ba9-b1c2-009e6db92a9c", |
| | "networkResource": { |
| | "vimConnectionId": "79a97d01-e5f3-4eaa-b2bc-8f513ecb8a56", |
| | "resourceId": "3019b1e7-99d8-4748-97ac-104922bc78d9", |
| | "vimLevelResourceType": "OS::Neutron::Net" |
| | }, |
| | "vnfLinkPorts": [ |
| | { |
| | "id": "f2105dd9-fed4-43dd-8d74-fcf0199cb716", |
| | "resourceHandle": { |
| | "vimConnectionId": "c637c425-62e8-432f-94f4-bff8d3323e29", |
| | "resourceId": "f0cf8bfd-261a-4c54-b783-42cce6d90859", |
| | "vimLevelResourceType": "OS::Neutron::Port" |
| | }, |
| | "cpInstanceId": "c86cef0a-150d-4eff-a21f-a48c6fcfa258" |
| | }, |
| | { |
| | "id": "6043706d-6173-40ef-8bc5-519868ce9fe4", |
| | "resourceHandle": { |
| | "vimConnectionId": "c637c425-62e8-432f-94f4-bff8d3323e29", |
| | "resourceId": "6a349003-66a1-4bfa-bd4b-83705957482a", |
| | "vimLevelResourceType": "OS::Neutron::Port" |
| | }, |
| | "cpInstanceId": "12ea4352-66a5-47a4-989f-d4d06d5bab1a" |
| | } |
| | ] |
| | }, |
| | { |
| | "id": "d8fc6199-c9d6-4e74-b896-c44018fa4382", |
| | "vnfVirtualLinkDescId": "a96d2f5b-c01a-48e1-813c-76132965042c", |
| | "networkResource": { |
| | "vimConnectionId": "79a97d01-e5f3-4eaa-b2bc-8f513ecb8a56", |
| | "resourceId": "589a045a-65d9-4f4d-a9b3-35aa655374d0", |
| | "vimLevelResourceType": "OS::Neutron::Net" |
| | }, |
| | "vnfLinkPorts": [ |
| | { |
| | "id": "9925668e-ceea-45ef-817a-25d19572a494", |
| | "resourceHandle": { |
| | "vimConnectionId": "c637c425-62e8-432f-94f4-bff8d3323e29", |
| | "resourceId": "53700068-3c4b-444b-b4eb-bbaa887a0e28", |
| | "vimLevelResourceType": "OS::Neutron::Port" |
| | }, |
| | "cpInstanceId": "426c0473-2de1-42dc-ae1f-ff4cf4d8b29b" |
| | }, |
| | { |
| | "id": "bfd0d3ad-1f9c-4102-b446-c7f33881b136", |
| | "resourceHandle": { |
| | "vimConnectionId": "c637c425-62e8-432f-94f4-bff8d3323e29", |
| | "resourceId": "136f1448-feb7-480d-8d92-15d7e4d02f37", |
| | "vimLevelResourceType": "OS::Neutron::Port" |
| | }, |
| | "cpInstanceId": "b6a56d88-da99-4036-872f-f10759b00ed8" |
| | } |
| | ] |
| | } |
| | ], |
| | "vnfcInfo": [ |
| | { |
| | "id": "b9b73267-40ce-468f-87ab-a6653cee664f", |
| | "vduId": "VDU1", |
| | "vnfcState": "STARTED" |
| | }, |
| | { |
| | "id": "1842c052-b6af-45bb-b976-f99cd1212182", |
| | "vduId": "VDU2", |
| | "vnfcState": "STARTED" |
| | } |
| | ], |
| | "additionalParams": { |
| | "lcm-operation-user-data": "./UserData/lcm_user_data.py", |
| | "lcm-operation-user-data-class": "SampleUserData" |
| | } |
| | } |
| Instantiation State | INSTANTIATED |
| Links | { |
| | "self": { |
| | "href": "http://localhost:9890/vnflcm/v1/vnf_instances/c3f9c200-7f52-42c5-9c64-6032faa3faf8" |
| | }, |
| | "terminate": { |
| | "href": "http://localhost:9890/vnflcm/v1/vnf_instances/c3f9c200-7f52-42c5-9c64-6032faa3faf8/terminate" |
| | }, |
| | "scale": { |
| | "href": "http://localhost:9890/vnflcm/v1/vnf_instances/c3f9c200-7f52-42c5-9c64-6032faa3faf8/scale" |
| | }, |
| | "heal": { |
| | "href": "http://localhost:9890/vnflcm/v1/vnf_instances/c3f9c200-7f52-42c5-9c64-6032faa3faf8/heal" |
| | }, |
| | "changeExtConn": { |
| | "href": "http://localhost:9890/vnflcm/v1/vnf_instances/c3f9c200-7f52-42c5-9c64-6032faa3faf8/change_ext_conn" |
| | } |
| | } |
| VIM Connection Info | [ |
| | { |
| | "id": "79a97d01-e5f3-4eaa-b2bc-8f513ecb8a56", |
| | "vimId": null, |
| | "vimType": "ETSINFV.OPENSTACK_KEYSTONE.V_2", |
| | "interfaceInfo": { |
| | "endpoint": "http://127.0.0.1/identity" |
| | }, |
| | "accessInfo": { |
| | "region": "RegionOne", |
| | "tenant": "1994d69783d64c00aadab564038c2fd7", |
| | "password": "devstack", |
| | "username": "nfv_user" |
| | }, |
| | "extra": {} |
| | }, |
| | { |
| | "id": "700a68db-0789-49e0-97d5-9824d5eeb272", |
| | "vimId": "c637c425-62e8-432f-94f4-bff8d3323e29", |
| | "vimType": "openstack", |
| | "interfaceInfo": {}, |
| | "accessInfo": {}, |
| | "extra": {} |
| | } |
| | ] |
| VNF Configurable Properties | |
| VNF Instance Description | |
| VNF Instance Name | vnf-c3f9c200-7f52-42c5-9c64-6032faa3faf8 |
| VNF Package ID | c92757ec-1408-481a-91f7-7f3b2831eb28 |
| VNF Product Name | Sample VNF |
| VNF Provider | Company |
| VNF Software Version | 1.0 |
| VNFD ID | b1bb0ce7-ebca-4fa7-95ed-4840d7000321 |
| VNFD Version | 1.0 |
| metadata | tenant=nfv |
+-----------------------------+----------------------------------------------------------------------------------------------------------------------+
Note
The value set for ‘VNF Instance Name’ corresponds to ‘Stack Name’ managed by Heat. In this manual, it corresponds to vnf-c3f9c200-7f52-42c5-9c64-6032faa3faf8.
VNF Healing Procedure¶
As mentioned in Prerequisites and Healing target VNF instance, the VNF must be instantiated before healing.
Details of CLI commands are described in VNF Lifecycle Management with v1 Tacker.
There are two main methods for VNF healing.
Healing of the entire VNF
Healing specified with VNFC instances
Note
A VNFC is a ‘VNF Component’, and one VNFC basically corresponds to one VDU in the VNF. For more information on VNFC, see NFV-SOL002 v2.6.1.
How to Heal of the Entire VNF¶
When healing of the entire VNF, the following APIs are executed from Tacker to Heat. See Heat API reference. for details on Heat APIs.
stack delete
stack create
Execute Heat CLI command and check ‘ID’ and ‘Stack Status’ of the stack before and after healing. This is to confirm that stack ‘ID’ has changed before and after healing, and that the re-creation has been completed successfully. See Heat CLI reference. for details on Heat CLI commands.
Stack information before healing:
$ openstack stack list -c 'ID' -c 'Stack Name' -c 'Stack Status'
Result:
+--------------------------------------+---------------------------------------------+-----------------+
| ID | Stack Name | Stack Status |
+--------------------------------------+---------------------------------------------+-----------------+
| 00d1871d-4acc-4d6b-99bc-cc68ad0b8a6a | vnflcm_c3f9c200-7f52-42c5-9c64-6032faa3faf8 | CREATE_COMPLETE |
+--------------------------------------+---------------------------------------------+-----------------+
Healing execution of the entire VNF:
$ openstack vnflcm heal VNF_INSTANCE_ID
Result:
Heal request for VNF Instance 0c3644ff-b207-4a6a-9d3a-d1295cda153a has been accepted.
Stack information after healing:
$ openstack stack list -c 'ID' -c 'Stack Name' -c 'Stack Status'
Result:
+--------------------------------------+---------------------------------------------+-----------------+
| ID | Stack Name | Stack Status |
+--------------------------------------+---------------------------------------------+-----------------+
| c220dd92-034e-4e7f-bea3-e5e7e95b145c | vnflcm_c3f9c200-7f52-42c5-9c64-6032faa3faf8 | CREATE_COMPLETE |
+--------------------------------------+---------------------------------------------+-----------------+
Note
‘ID’ has changed from the ID before healing. ‘Stack Status’ transitions to CREATE_COMPLETE.
How to Heal Specified with VNFC Instances¶
Extract the value of vnfcResourceInfo -> id from ‘Instantiated Vnf Info’ in Healing target VNF instance. This is the VNFC instance ID.
$ openstack vnflcm show c3f9c200-7f52-42c5-9c64-6032faa3faf8 \
-f json | jq '."Instantiated Vnf Info".vnfcResourceInfo[].id'
"b0f677ce-93db-416a-839b-998707338d14"
"9da6945b-d9a3-4001-a03a-7b239b7e7084"
This manual shows an example of healing VDU1 as VNFC. In this manual, b0f677ce-93db-416a-839b-998707338d14 corresponds to the VNFC instance ID of VDU1.
When healing specified with VNFC instances, the following APIs are executed from Tacker to Heat. See Heat API reference for details on Heat APIs.
stack resource mark unhealthy
stack update
Execute Heat CLI command and check physical_resource_id and resource_status of VDU1 before and after healing. This is to confirm that the resource ID of this VDU1 has changed before and after healing, and that the re-creation has been completed successfully. See Heat CLI reference for details on Heat CLI commands.
Note
Note that ‘vnfc-instance-id’ managed by Tacker and ‘physical-resource-id’ managed by Heat are different.
VDU1 information before healing:
$ openstack stack resource show HEAT_STACK_ID VDU1_SERVER_NAME \
-c physical_resource_id -c resource_name -c resource_status -c resource_type
$ openstack stack resource show HEAT_STACK_ID VDU1_VOLUME_NAME \
-c physical_resource_id -c resource_name -c resource_status -c resource_type
Result:
+----------------------+--------------------------------------+
| Field | Value |
+----------------------+--------------------------------------+
| physical_resource_id | ed781426-c59d-4c32-8bc3-e26144167220 |
| resource_name | VDU1 |
| resource_status | CREATE_COMPLETE |
| resource_type | OS::Nova::Server |
+----------------------+--------------------------------------+
+----------------------+--------------------------------------+
| Field | Value |
+----------------------+--------------------------------------+
| physical_resource_id | 2d4715e6-1e0e-449e-91b5-a6c162adbb39 |
| resource_name | VDU1-VirtualStorage |
| resource_status | CREATE_COMPLETE |
| resource_type | OS::Cinder::Volume |
+----------------------+--------------------------------------+
Heal Specified with VNFC Instances can control whether related Cinder block storage is recreated for the healed VNFC(s).
This is done via an optional key inside additionalParams in the Heal
request. The key name is operator-configurable, and when the request
omits the key, a configurable default is applied [Conf-Options].
Request key (configurable): the key to read from
additionalParamsis configured by[vnf_lcm] heal_include_block_storage_keyon the VNFM. By default it istacker_extension_heal_include_block_storage.Default behavior (configurable): when the request does not include the key, the behavior is decided by
[vnf_lcm] heal_vnfc_block_storage.
Warning
The default behavior (when the key is not provided) and the key name
itself depend on tacker.conf. If you are unsure, contact your
environment administrator.
In the examples below, the parameter name is shown as
tacker_extension_heal_include_block_storage.
Example: recreate storage (boolean true)
{
"additionalParams": {
"tacker_extension_heal_include_block_storage": true
}
}
Example: do not recreate storage (boolean false)
{
"additionalParams": {
"tacker_extension_heal_include_block_storage": false
}
}
Healing execution of VDU1:
$ openstack vnflcm heal VNF_INSTANCE_ID --vnfc-instance VNFC_INSTANCE_ID \
--additional-param-file heal-params.json \
Result:
Heal request for VNF Instance c3f9c200-7f52-42c5-9c64-6032faa3faf8 has been accepted.
Note
It is possible to specify multiple VNFC instance IDs in ‘–vnfc-instance’ option.
VDU1 information after healing:
$ openstack stack resource show HEAT_STACK_ID VDU1_SERVER_NAME \
-c physical_resource_id -c resource_name -c resource_status -c resource_type
$ openstack stack resource show HEAT_STACK_ID VDU1_VOLUME_NAME \
-c physical_resource_id -c resource_name -c resource_status -c resource_type
Result:
+----------------------+--------------------------------------+
| Field | Value |
+----------------------+--------------------------------------+
| physical_resource_id | ed781426-c59d-4c32-8bc3-e26144167220 |
| resource_name | VDU1 |
| resource_status | UPDATE_COMPLETE |
| resource_type | OS::Nova::Server |
+----------------------+--------------------------------------+
recreate storage
+----------------------+--------------------------------------+
| Field | Value |
+----------------------+--------------------------------------+
| physical_resource_id | 2d4715e6-1e0e-449e-91b5-a6c162adbb39 |
| resource_name | VDU1-VirtualStorage |
| resource_status | UPDATE_COMPLETE |
| resource_type | OS::Cinder::Volume |
+----------------------+--------------------------------------+
do not recreate storage
+----------------------+--------------------------------------+
| Field | Value |
+----------------------+--------------------------------------+
| physical_resource_id | 2d4715e6-1e0e-449e-91b5-a6c162adbb39 |
| resource_name | VDU1-VirtualStorage |
| resource_status | CREATE_COMPLETE |
| resource_type | OS::Cinder::Volume |
+----------------------+--------------------------------------+
Note
‘physical_resource_id’ has not changed from the ID before healing. ‘resource_status’ transitions to UPDATE_COMPLETE.
