def overcloud_ssh_client(hostname=None,
ip_version=None,
network_name=None,
server=None,
host_config=None):
if host_config is None:
host_config = overcloud_host_config(hostname=hostname,
ip_version=ip_version,
network_name=network_name,
server=server)
return ssh.ssh_client(host=hostname, host_config=host_config)
def _ssh_client(self,
address,
username=None,
port=None,
key_filename=None,
**ssh_parameters):
username = username or self.config.conf.username
port = port or self.config.conf.port
key_filename = key_filename or self.config.conf.key_file
return ssh.ssh_client(host=str(address),
username=username,
key_filename=key_filename,
**ssh_parameters)
def _request(self, client_stack, server_ip_address, protocol, server_port):
"""Perform a request on a server.
Returns the response in case of success, throws an RequestException
otherwise.
"""
if ':' in server_ip_address:
# Add square brackets around IPv6 address to please curl
server_ip_address = "[{}]".format(server_ip_address)
cmd = "curl {} {}://{}:{}/id".format(CURL_OPTIONS, protocol.lower(),
server_ip_address, server_port)
ssh_client = ssh.ssh_client(
client_stack.floating_ip_address,
username=client_stack.image_fixture.username)
ret = sh.ssh_execute(ssh_client, cmd)
if ret.exit_status != 0:
raise RequestException(command=cmd, error=ret.stderr)
return ret.stdout
def overcloud_ssh_client(hostname, ip_version=None, network_name=None):
host_config = overcloud_host_config(hostname=hostname,
ip_version=ip_version,
network_name=network_name)
return ssh.ssh_client(host=hostname, host_config=host_config)
def ssh_client(self):
return ssh.ssh_client(host=self.ip_address,
username=self.username,
password=self.password,
proxy_jump=self.peer_stack.ssh_client)
def ssh_client(self):
return ssh.ssh_client(host=self.ip_address,
username=self.username,
password=self.password)
def ssh_client(self):
host = tobiko.tobiko_config().neutron.nameservers_host
if host is None:
return ssh.ssh_proxy_client()
else:
return ssh.ssh_client(host)
def test_ssh_traffic(self):
"""SSH every member server to get its hostname using a load balancer
"""
username: typing.Optional[str] = None
password: typing.Optional[str] = None
missing_replies = set()
for member_server in [
self.listener_stack.server_stack,
self.listener_stack.other_server_stack
]:
ssh_client = member_server.ssh_client
hostname = sh.get_hostname(ssh_client=ssh_client)
missing_replies.add(hostname)
if username is None:
username = member_server.username
else:
self.assertEqual(
username, member_server.username,
"Not all member servers have the same "
"username to login with")
if password is None:
password = member_server.password
else:
self.assertEqual(
password, member_server.password,
"Not all member servers have the same "
"password to login with")
# Get SSH client to the load balancer virtual IP
ssh_client = ssh.ssh_client(
host=self.loadbalancer_stack.floating_ip_address,
port=self.listener_stack.lb_port,
username=username,
password=password)
replies = []
for attempt in tobiko.retry(timeout=120.):
LOG.debug(f"SSH to member server by using the load balancer "
f"(login='******', attempt={attempt})...")
with ssh_client: # disconnect after every loop
hostname = sh.ssh_hostname(ssh_client=ssh_client)
try:
missing_replies.remove(hostname)
except KeyError:
self.assertIn(hostname, replies,
f"Unexpected hostname reached: {hostname}")
replies.append(hostname)
if missing_replies:
LOG.debug('Reached member server(s):\n'
f'{pretty_replies(replies)}')
if attempt.is_last:
self.fail('Unreached member server(s): {missing_replies}')
else:
LOG.debug('Waiting for reaching remaining server(s)... '
f'{missing_replies}')
else:
LOG.debug('All member servers reached:\n'
f'{pretty_replies(replies)}')
break
else:
raise RuntimeError('Broken retry loop')
def ssh_client(self):
return ssh.ssh_client(host=self.server_public_ip,
username=self.ssh_username,
password=self.ssh_password,
proxy_client=self.ssh_proxy_client)
def undercloud_ssh_client():
host_config = undercloud_host_config()
return ssh.ssh_client(host='undercloud-0', host_config=host_config)
def undercloud_ssh_client() -> ssh.SSHClientFixture:
host_config = undercloud_host_config()
if not host_config.hostname:
raise NoSuchUndercloudHostname('No such undercloud hostname')
return ssh.ssh_client(host=host_config.hostname, host_config=host_config)