Service Function Chain (SFC) Management¶
Warning
Service Function Chain (SFC) Management commands are deprecated and will be removed in the first major release after the Tacker server version 9.0.0 (2023.1 Antelope release).
Prerequisites¶
The following packages should be installed:
tacker
python-tackerclient
A default VIM should be registered according to VIM Management.
The following VNFDs are created with the name VNFD1 and VNFD2
according to VNF Descriptor (VNFD) Management.
$ openstack vnf descriptor create --vnfd-file tosca-vnffg-vnfd1.yaml VNFD1
$ openstack vnf descriptor create --vnfd-file tosca-vnffg-vnfd2.yaml VNFD2
The VNFs from the created VNFDs are deployed with the name VNF1 and
VNF2 according to VNF Management.
$ openstack vnf create --vnfd-name VNFD1 VNF1
$ openstack vnf create --vnfd-name VNFD2 VNF2
A VNFFG should be deployed according to VNF Forwarding Graph (VNFFG) Management. Before deploying the VNFFG, a VNFFGD may need to be created according to VNF Forwarding Graph Descriptor (VNFFGD) Management.
CLI reference for SFC Management¶
1. List Service Function Chain¶
$ openstack vnf chain list
Result:
+--------------------------------------+--------+--------------------------------------+
| ID | Status | NFP ID |
+--------------------------------------+--------+--------------------------------------+
| 89f99c03-a152-413b-bb39-c7618a54b23a | ACTIVE | ed450e71-345d-4dc8-8f32-69e3a697ad56 |
+--------------------------------------+--------+--------------------------------------+
Help:
$ openstack vnf chain list --help
usage: openstack vnf chain list [-h] [-f {csv,json,table,value,yaml}]
[-c COLUMN]
[--quote {all,minimal,none,nonnumeric}]
[--noindent] [--max-width <integer>]
[--fit-width] [--print-empty]
[--sort-column SORT_COLUMN] [--nfp-id NFP_ID]
[--tenant-id TENANT_ID]
List SFC(s) that belong to a given tenant.
optional arguments:
-h, --help show this help message and exit
--nfp-id NFP_ID List SFC(s) with specific nfp id
--tenant-id TENANT_ID
The owner tenant ID or project ID
2. Show Service Function Chain¶
$ openstack vnf chain show <SFC: 89f99c03-a152-413b-bb39-c7618a54b23a>
Result:
+-------------+----------------------------------------------------+
| Field | Value |
+-------------+----------------------------------------------------+
| chain | [ |
| | { |
| | "name": "VNF1", |
| | "connection_points": [ |
| | "d4940639-764a-4a62-9b21-6ba2e86498eb" |
| | ], |
| | "sfc_encap": true |
| | }, |
| | { |
| | "name": "VNF2", |
| | "connection_points": [ |
| | "eeda565a-656b-4c86-b2da-c38683ff14e3" |
| | ], |
| | "sfc_encap": true |
| | } |
| | ] |
| id | 89f99c03-a152-413b-bb39-c7618a54b23a |
| instance_id | ba0b5218-1e63-49b2-9112-aba1747f29af |
| nfp_id | ed450e71-345d-4dc8-8f32-69e3a697ad56 |
| path_id | 51 |
| project_id | e77397d2a02c4af1b7d79cef2a406396 |
| status | ACTIVE |
| symmetrical | False |
+-------------+----------------------------------------------------+
Help:
$ openstack vnf chain show --help
usage: openstack vnf chain show [-h] [-f {json,shell,table,value,yaml}]
[-c COLUMN] [--noindent] [--prefix PREFIX]
[--max-width <integer>] [--fit-width]
[--print-empty]
<SFC>
Display SFC details
positional arguments:
<SFC> SFC to display (name or ID)
optional arguments:
-h, --help show this help message and exit
