context.data['NODE_NAME'] = os.getenv('NODE_NAME', 'nfvbench')
context.data['BUILD_TAG'] = os.getenv('BUILD_TAG')
+ # NFVbench server host and port
+ context.host_ip = os.getenv('NFVBENCH_SERVER_HOST', '127.0.0.1')
+ context.port = int(os.getenv('NFVBENCH_SERVER_PORT', '7555'))
+
def before_feature(context, feature):
context.rates = {}
import requests
import subprocess
from subprocess import DEVNULL
+from typing import Optional
from nfvbench.summarizer import Formatter
from nfvbench.traffic_gen.traffic_utils import parse_rate_str
@when('NFVbench API is ready')
@when('NFVbench API is ready on host {host_ip}')
@when('NFVbench API is ready on host {host_ip} and port {port:d}')
-def start_server(context, host_ip="127.0.0.1", port=7555):
- context.host_ip = host_ip
- context.port = port
+def start_server(context, host_ip: Optional[str]=None, port: Optional[int]=None):
+ # NFVbench server host IP and port number have been setup from environment variables (see
+ # environment.py:before_all()). Here we allow to override them from feature files:
+ if host_ip is not None:
+ context.host_ip = host_ip
+ if port is not None:
+ context.port = port
+
try:
# check if API is already available
requests.get(
"http://{host_ip}:{port}/status".format(host_ip=context.host_ip, port=context.port))
except RequestException:
cmd = ["nfvbench", "-c", context.data['config'], "--server"]
- if host_ip != "127.0.0.1":
+ if context.host_ip != "127.0.0.1":
cmd.append("--host")
- cmd.append(host_ip)
- if port != 7555:
+ cmd.append(context.host_ip)
+ if context.port != 7555:
cmd.append("--port")
- cmd.append(port)
+ cmd.append(str(context.port))
subprocess.Popen(cmd, stdout=DEVNULL, stderr=subprocess.STDOUT)