13 Discover Stack

• It is an LCM Discover Rest I/F. This information can be further used by the orchestrator to scale out the stack.
• Before discovering the stack, make sure the following information is available:
  • The Stack ID of the previously created stack.
  • The following information about the OpenStack instance on which the Stack must be discovered:
    • OpenStack Controller URI
    • Use Domain Name
    • Project Domain Id
    • Username
    • Password
    • Tenant name
  • The Interface discovers the stack and performs the following operations:
    • Download the parameter file of the discovered stack.
    • Create the Instance file of the discovered stack.
    • These two files are saved in /var/vnfm/instances/<autoDiscovery InstanceId>/ directory.

Sample Request for Discover Interface

Request URL: POST:
https://<<VNFM HOST IP>>:8443/vnflcm/v1/discover/<<discover stack id>>
For example:
https://localhost:8443/vnflcm/v1/discover/b30ac203-5fe1-4007-a3ba-078f3422708b
Accept: application/json
Content-Type: application/json
X-Token: Token generated after login
Request Body:
{
  "vimConnectionInfo": [
    {
      "id": "vimid",
      "vimType": "OpenStack",
      "interfaceInfo": {
        "controllerUri": "https://oortcloud.us.oracle.com:5000/v3"
      },
      "accessInfo": {
        "username": "dsrat.user",
        "password": "xxxx",
        “userDomain”: “Default”,
        "projectDomain": "default",
        "tenant": "DSR AT Dev 1"
      }
    }
  ]
}

Sample Response for Discover Interface

Response Code: 200
{ 
"vnfInstanceId": "dsrNetworkOam-945cffa107c235bb-43d87678-756b-4f8e-a59c-d9b7d4dd95a1",
"discoverStackId": "7d861391-0ed2-4d0b-9f01-e84e186e9244"
 }

Note:

• Discover VNF Stack supports only the stacks created on VNFM of the same release.
• Discover VNF stack supports only the stack created by VNFM templates of the same release through CLI.
• Discover VNF stack also supports the stack created by VNFM GUI, Double Failure of Active VNFM and its persistent volume.