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PXaaS integration with Middleware API

Local test-bed

Here are the steps followed to integrate the PXaaS VNF with the mAPI. Rundeck and Middleware API were deployed on Ubuntu 14.04. Two different PXaaS VNF instances were tested:

  • On Virtualbox at the same machine with Rundeck and mAPI
  • On Dimokritos OpenStack

Deploy Rundeck

In order to deploy Rundeck follow:

mAPI README. Proceed with the following steps:

Install Rundeck

Install MySQL

Install Python dependencies

Get mAPI code

Clone the wp5 repository from stash

Configuration

vim wp5/WP5/mAPI/Config/mAPI.cfg

[authentication]
#authentication_method can be basic or gatekeeper
authentication_method = basic
#basic authentication configuration
username = admin
password = changeme
#gatekeeper authentication configuration
gatekeeper_host = 0.0.0.0
gatekeeper_port = 1234
service_key = secret
[server]
ip = 0.0.0.0
port = 1234
[general]
# the path where the mAPI is located
folder = /home/george/Desktop/wp5/WP5/mAPI/
[rundeck]
host = localhost
port = 4440
# get the token from Rundeck UI
token = OdPBTMKkI8mjk63UZXwssVg4ryhS43AB
project_folder = /var/rundeck/projects/
TNOVA_user = george
[db]
user = root
password = <password>
ip = localhost

Create a pair of public/private key

This step is needed in order for the middleware API to send remote commands to the VNF

ssh-keygen -t rsa

and then:

  • add the public key under ./ssh/authorized_keys on the VNF
  • add the private key in the VNFD (see below)

Create a folder on the VNF

In this folder the middleware API will copy the configuration files and parameters

mkdir /home/vagrant/container

Create VNFD.json

VNFD_local.json

The start and stop lifecycle events are defined

Execution scripts on VNF

The start and stop scripts will be executed on the VNF once the start and stop lifecycle events are executed. Make sure that the scripts are executable.

Running Middleware API

Make sure that the wp5/WP5/mAPI/keys directory is present otherwise create it and then:

cd wp5/WP5/mAPI/
sudo python northboundinterface.py

Load VNFD and create project in Rundeck

From a new console run:

curl -X POST 0.0.0.0:1234/vnf_api/ -u admin:changeme -d @<path to VNFD>/VNFD_local.json -v

Run commands

Create start and stop files

Normally those files will be created automatically (I am not sure from which component) based on the template files described in the VNFD. However, in order to test the mAPI we create them manually.

start.json

{
  "event":"start",
  "vnf_controller":["10.10.1.90"],
  "parameters":{
    "vdu1_PublicIp":["10.10.1.90"]
  }
}

stop.json

{
  "event":"stop",
  "vnf_controller":["10.10.1.90"]
}

Run the start command

curl -X POST 0.0.0.0:1234/vnf_api/PXaaS/config/ -u admin:changeme -d @start.json

Run the stop command

curl -X PUT 0.0.0.0:1234/vnf_api/PXaaS/config/ -u admin:changeme -d @stop.json