gns3api-python/start_nodes

#!/usr/bin/env python3
#
# start_nodes - start all nodes of a project
#
# Usage: start_nodes project
#

import sys
import time
import gns3api

def die(*msg_list):
    """ abort program with error message """
    error_msg = ' '.join(str(x) for x in msg_list)
    sys.exit(error_msg.rstrip("\n\r"))


# get command line parameter
if len(sys.argv) == 2:
    proj_name = sys.argv[1]
else:
    die("Usage: start_nodes project")

# connect to GNS3 controller
try:
    api = gns3api.GNS3Api()
except gns3api.GNS3ApiException as err:
    die("Can't connect to GNS3 controller:", err)

# search for the project
project = None
for project in api.request('GET', '/v2/projects'):
    if project['name'] == proj_name:
        break
else:
    die("Project '{}' not found".format(proj_name))

if project['status'] != 'opened':
    api.request("POST", ("/v2/projects", project['project_id'], 'open'))

# start nodes
all_nodes = api.request('GET', ('/v2/projects', project['project_id'], 'nodes'))
for node in sorted(all_nodes, key=lambda k: k['name'].lower()):
    if node['status'] == 'started':
        continue
    time.sleep(3)
    while True:
        compute = api.request('GET', ('/v2/computes', node['compute_id']))
        if compute['cpu_usage_percent'] < 60.0:
            break
        time.sleep(10)
    print("Starting '{}'".format(node['name']))
    try:
        api.request("POST", ("/v2/projects", project['project_id'], 'nodes', node['node_id'], 'start'))
    except gns3api.GNS3ApiException as err:
        die(err)