106 lines
3.0 KiB
Python
Executable File
106 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python3
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import platform
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import socket
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from ipaddress import ip_address
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from os import environ as env
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from os import system
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from os.path import exists, expanduser
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from time import sleep
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from typing import List
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import novaclient.client
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import novaclient.v2.client
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from keystoneauth1.identity import v3
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from keystoneauth1.session import Session
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from novaclient.v2.keypairs import Keypair
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from novaclient.v2.servers import Server
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from pick import pick
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SERVER_NAME='gbv'
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def try_connect(ip: str) -> bool:
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sock = None
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try:
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sock = socket.create_connection((ip, 22), 1)
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except socket.timeout:
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return False
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sock.close()
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return True
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def open_conn(ip: str, port: int = 23406):
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print('Opening tunnel...')
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system(f'ssh -D {port} -i ~/.ssh/id_ovh -o StrictHostKeyChecking=no -o GlobalKnownHostsFile=/dev/null -o UserKnownHostsFile=/dev/null -N debian@{ip}')
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sess = Session(v3.Password(
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auth_url=env['OS_AUTH_URL'],
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username=env['OS_USERNAME'],
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password=env['OS_PASSWORD'],
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project_id=env['OS_TENANT_ID'],
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user_domain_name=env['OS_USER_DOMAIN_NAME']))
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print('Logging in...')
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nova: novaclient.v2.client.Client = novaclient.client.Client(
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"2.1", session=sess, region_name=env['OS_REGION_NAME'])
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if not exists(expanduser('~/.ssh/id_ovh')):
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system("ssh-keygen -f ~/.ssh/id_ovh")
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print('Making sure keypair is present...')
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keypairs: List[Keypair] = nova.keypairs.list()
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keyname = 'ovh_' + platform.uname()[1].split('.', 1)[0]
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if keyname not in (k.name for k in keypairs):
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with open(expanduser('~/.ssh/id_ovh')) as f:
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print('Uploading keypair...')
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nova.keypairs.create(keyname, f.read())
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flavor = nova.flavors.find(name='s1-2')
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image = nova.glance.find_image('Debian 10')
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net = nova.neutron.find_network('Ext-Net')
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print('Creating server...')
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nova.servers.create(SERVER_NAME, image, flavor,
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nics=[{'net-id': net.id}], key_name=keyname)
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sv: Server = nova.servers.find(name=SERVER_NAME)
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while sv.status != 'ACTIVE':
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print('Waiting for server to POST...')
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sleep(5)
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sv = nova.servers.find(name=SERVER_NAME)
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pass
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ips = []
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interface = None
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while not interface:
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interfaces = sv.interface_list()
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ext_interface = [k for k in interfaces if k.net_id == net.id]
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if ext_interface and ext_interface[0].port_state == 'ACTIVE':
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interface = ext_interface[0]
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else:
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sleep(2)
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for i in interface.fixed_ips:
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ips.append(i['ip_address'])
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ip = list(filter(lambda x: ip_address(x).version == 4, ips))[0]
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while not try_connect(ip):
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print('Waiting for SSH service to become available...')
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pass
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open_conn(ip)
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exit = False
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while not exit:
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choice = pick(['Reconnect', 'Destroy server and exit', 'Keep server online and exit'],
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'The connection has ended. How do you want to proceed?')[0]
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if choice == 'Reconnect':
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open_conn(ip)
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elif choice == 'Destroy server and exit':
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sv.delete()
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exit = True
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else:
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exit = True
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