requirements.txt

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+keystoneauth1
+python-novaclient
+pick

setup_tunnel.py

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+import novaclient.client
+from novaclient.v2.client import Client
+from novaclient.v2.keypairs import Keypair
+from novaclient.v2.servers import Server
+from keystoneauth1 import session
+from keystoneauth1.identity import v3
+from os import environ as env
+from os.path import exists, expanduser
+from os import system
+from time import sleep
+import platform
+from pick import pick
+from typing import List
+from ipaddress import ip_address
+import socket
+
+def try_connect(ip):
+    sock = None
+    try:
+        sock = socket.create_connection((ip, 22), 1)
+    except socket.timeout:
+        return False
+    sock.close()
+    return True
+
+def open_conn(ip, port=23406):
+    system(f'ssh -D {port} -i ~/.ssh/id_ovh -o StrictHostKeyChecking=no -o GlobalKnownHostsFile=/dev/null -o UserKnownHostsFile=/dev/null -N debian@{ip}')
+
+
+auth = v3.Password(auth_url=env['OS_AUTH_URL'],
+                                 username=env['OS_USERNAME'],
+                                 password=env['OS_PASSWORD'],
+                                 project_id=env['OS_TENANT_ID'],
+                                 user_domain_name=env['OS_USER_DOMAIN_NAME'])
+sess = session.Session(auth)
+
+nova: Client = novaclient.client.Client("2.1", session=sess, region_name=env['OS_REGION_NAME'])
+
+if not exists(expanduser('~/.ssh/id_ovh')):
+    system("ssh-keygen -f ~/.ssh/id_ovh")
+
+# List keypairs
+keypairs: List[Keypair] = nova.keypairs.list()
+keyname = 'ovh_' + platform.uname()[1].split('.', 1)[0]
+if keyname not in (k.name for k in keypairs):
+    with open(expanduser('~/.ssh/id_ovh')) as f:
+        nova.keypairs.create(keyname, f.read())
+
+# Select flavor
+flavor = nova.flavors.find(name='s1-2')
+
+# Select image
+
+image = nova.glance.find_image('Debian 10')
+net = nova.neutron.find_network('Ext-Net')
+nova.servers.create('gbv', image, flavor, nics=[{'net-id':net.id}], key_name=keyname)
+sv: Server = nova.servers.find(name='gbv')
+ips = []
+for x in sv.interface_list():
+    for i in x.fixed_ips:
+        ips.append(i['ip_address'])
+
+ip = list(filter(lambda x: ip_address(x).version == 4, ips))[0]
+
+while not try_connect(ip):
+    print('Waiting for server to come online...')
+    pass
+
+open_conn(ip)
+
+exit = False
+while not exit:
+    choice = pick(['Reconnect', 'Destroy server and exit', 'Keep server online and exit'], 'The connection has ended. How do you want to proceed?')
+    if choice == 'Reconnect':
+        open_conn(ip)
+    elif choice == 'Destroy server and exit':
+        sv.delete()
+        exit = True
+    else:
+        exit = True