def connect_to(self, user, host, command):
while True:
print("connecting to %s (%i/10)" % (host, self.i))
try:
client = paramiko.SSHClient()
client._policy = paramiko.WarningPolicy()
client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh_config = paramiko.SSHConfig()
user_config_file = os.path.expanduser("~/.ssh/config")
if os.path.exists(user_config_file):
with open(user_config_file) as f:
ssh_config.parse(f)
cfg = {'hostname': host, 'username': user}
user_config = ssh_config.lookup(cfg['hostname'])
for k in ('hostname', 'username', 'port'):
if k in user_config:
cfg[k] = user_config[k]
if 'proxycommand' in user_config:
cfg['sock'] = paramiko.ProxyCommand(
user_config['proxycommand'])
client.connect(**cfg)
# execute command
stdin, stdout, stderr = client.exec_command(command)
out = stdout.read().decode('utf-8')
err = stderr.read().decode('utf-8')
#print('OUT:'+out+' ERR:'+err)
if not out:
print(colors.red('STDERR: ' + err))
else:
print(colors.green('STDOUT: ' + out))
break
except paramiko.AuthenticationException:
print("Authentication failed when connecting to %s" % host)
sys.exit(1)
except:
print("Could not SSH to %s, waiting for it to start" % host)
self.i += 1
time.sleep(2)
# If we could not connect within time limit
if self.i == 10:
print
"Could not connect to %s. Giving up" % host
sys.exit(1)
def gethostconfig(self, file, host):
file = os.path.expanduser(file)
if not os.path.isfile(file):
return {}
sshconfig = paramiko.SSHConfig()
try:
sshconfig.parse(open(file))
except Exception as e:
raise BackendException(u"could not load '%s', maybe corrupt?" % (file))
return sshconfig.lookup(host)
def __init__(
self,
remote_host,
remote_port,
username=None,
password=None,
key_file=None,
key_string=None,
timeout=10,
keepalive_interval=30,
compress=True,
no_host_key_check=True,
allow_host_key_change=False,
logger=None,
):
self.remote_host = check.str_param(remote_host, 'remote_host')
self.remote_port = check.opt_int_param(remote_port, 'remote_port')
self.username = check.opt_str_param(username, 'username')
self.password = check.opt_str_param(password, 'password')
self.key_file = check.opt_str_param(key_file, 'key_file')
self.timeout = check.opt_int_param(timeout, 'timeout')
self.keepalive_interval = check.opt_int_param(keepalive_interval, 'keepalive_interval')
self.compress = check.opt_bool_param(compress, 'compress')
self.no_host_key_check = check.opt_bool_param(no_host_key_check, 'no_host_key_check')
self.allow_host_key_change = check.opt_bool_param(
allow_host_key_change, 'allow_host_key_change'
)
self.log = logger
self.host_proxy = None
# Create RSAKey object from private key string
self.key_obj = key_from_str(key_string) if key_string is not None else None
# Auto detecting username values from system
if not self.username:
logger.debug(
'username to ssh to host: %s is not specified. Using system\'s default provided by'
' getpass.getuser()' % self.remote_host
)
self.username = getpass.getuser()
user_ssh_config_filename = os.path.expanduser('~/.ssh/config')
if os.path.isfile(user_ssh_config_filename):
ssh_conf = paramiko.SSHConfig()
ssh_conf.parse(open(user_ssh_config_filename))
host_info = ssh_conf.lookup(self.remote_host)
if host_info and host_info.get('proxycommand'):
self.host_proxy = paramiko.ProxyCommand(host_info.get('proxycommand'))
if not (self.password or self.key_file):
if host_info and host_info.get('identityfile'):
self.key_file = host_info.get('identityfile')[0]
def get_host_details(host):
cmd = "vagrant ssh-config {}".format(host)
p = subprocess.Popen(cmd.split(), stdout=subprocess.PIPE)
config = paramiko.SSHConfig()
config.parse(p.stdout)
c = config.lookup(host)
return {
'ansible_host': c['hostname'],
'ansible_port': c['port'],
'ansible_user': c['user'],
'ansible_private_key_file': c['identityfile'][0]
}
def get_ssh_configs(hosts):
cmd = ['vagrant', 'ssh-config'] + hosts
try:
output = subprocess.check_output(cmd,
universal_newlines=True,
stderr=DEVNULL).decode()
except subprocess.CalledProcessError:
return None
config = paramiko.SSHConfig()
config.parse(StringIO(output))
return config
def get_host_details(host):
cmd = f"vagrant ssh-config {host}"
p = subprocess.Popen(cmd.split(), stdout=subprocess.PIPE)
ssh = paramiko.SSHConfig()
ssh.parse(p.stdout)
config = ssh.lookup(host)
return {
'ansible_host': config['hostname'],
'ansible_port': config['port'],
'ansible_user': config['user'],
'ansible_private_key_file': config['identityfile'][0],
}
def __init__(self):
# self.jobInfos = []
paramiko.util.log_to_file("ssh_log.log") #<- sometimes throws problem
self.client = paramiko.SSHClient()
self.client._policy = paramiko.WarningPolicy()
self.client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
self.ssh_config = paramiko.SSHConfig()
user_config_file = os.path.expanduser("~/.ssh/config")
if os.path.exists(user_config_file):
with open(user_config_file) as f:
self.ssh_config.parse(f)
def __init__(self, host, interval):
self.client = paramiko.SSHClient()
self.client._policy = paramiko.WarningPolicy()
ssh_config = paramiko.SSHConfig()
user_config_file = os.path.expanduser("~/.ssh/config")
with open(user_config_file) as f:
ssh_config.parse(f)
user_config = ssh_config.lookup(host)
keys = user_config['identityfile']
key = paramiko.RSAKey.from_private_key_file(keys[0])
self.client.connect(user_config['hostname'], self.port,
user_config['user'], None, key)
def __getDataHost(self, host, ssh_config_file=None):
"""
This function returns a dictionary for the given host
The structure of the dictionary is the following
{'hostname': IP, 'user': usernameofthemachine}
"""
# ssh config file
if ssh_config_file is not None:
config = paramiko.SSHConfig()
#config.parse(open(CONS.SSHCONFIG))
config.parse(open(ssh_config_file))
return config.lookup(host)
def sendDirsToIMR(dirs, vaspfiles):
print("type your passwd for IMR supercomputer node")
passwd = getpass()
config_file = os.path.join(os.getenv('HOME'), '.ssh/config')
ssh_config = paramiko.SSHConfig()
ssh_config.parse(open(config_file, 'r'))
# please adjust for your environment
lkup = ssh_config.lookup('super.imr')
# ProxyCommand setup
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.load_system_host_keys()
print("what found in config file")
print(lkup)
ssh.connect(lkup['hostname'],
username=lkup['user'],
sock=paramiko.ProxyCommand(lkup['proxycommand']),
password=passwd)
sftp = ssh.open_sftp()
#get pass for home
stdin, stdout, stderr = ssh.exec_command('echo $HOME')
outlines = stdout.readlines()
result = outlines[0].rstrip('\n')
print(result)
#please change property to your enviroment
workingdir = result + '/work/'
for i in dirs:
mkdircommand = 'mkdir ' + workingdir + i
stdin, stdout, stderr = ssh.exec_command(mkdircommand)
outlines = stdout.readlines()
result = ''.join(outlines)
print(result)
for i in dirs:
#TODO catch stderr
for f in vaspfiles:
origin = "./" + i + "/" + f
print("origin:" + origin)
#print(os.path.exists(origin))
target = workingdir + i + "/" + f
print("target:" + target)
sftp.put(origin, target)
sftp.close()
ssh.close()
def make_ssh_connection(self):
if self._ssh_client is not None:
return True
self._ssh_client = paramiko.SSHClient()
self._ssh_client.load_system_host_keys()
self._ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
# Merge any configuration present in ssh-config with the ones passed on the command-line
ssh_config = paramiko.SSHConfig()
user_config_file = os.path.expanduser("~/.ssh/config")
if os.path.exists(user_config_file):
f = open(user_config_file)
ssh_config.parse(f)
f.close()
user_config = ssh_config.lookup(self._host_ip)
# If SSH port is not passed by the user then lookup in ssh-config, if port is configured there then use it,
# otherwise use the default ssh port '22'
if self._ssh_port is None or self._ssh_port < 1:
if 'port' in user_config:
self._ssh_port = user_config['port']
else:
self._ssh_port = 22
else:
self._ssh_port = int(self._ssh_port)
# If SSH username is not passed by the user then lookup in ssh-config, if username is configured there then
# use it, otherwise use the current system user
if self._ssh_user is None:
if 'username' in user_config:
self._ssh_user = user_config['username']
else:
self._ssh_user = pwd.getpwuid(os.getuid())[0]
cfg = dict(hostname=self._host_ip, username=self._ssh_user, port=self._ssh_port)
if 'identityfile' in user_config:
cfg['key_filename'] = user_config['identityfile']
try:
print("Connecting to '%s'@'%s'" % (self._ssh_user, self._host))
self._ssh_client.connect(**cfg)
except paramiko.SSHException as e:
print("Error connecting to '%s': %s" % (self._host, repr(e)))
return False
except socket.error as e:
print("Failed to connect to '%s': %s" % (self._host, repr(e)))
return False
return True
def __identity_file(self, node_name, username, port):
""" It processes the Identity File for use with remote node
Returns:
tuple(identity_file, host, username, port)
"""
ssh_config = paramiko.SSHConfig()
user_config_file = os.path.expanduser("~/.ssh/config")
if os.path.exists(user_config_file):
with open(user_config_file) as f:
ssh_config.parse(f)
user_config = ssh_config.lookup(node_name)
identity_file = None
if 'identityfile' in user_config:
host = user_config['hostname']
identity_file = user_config['identityfile']
if not username:
username = user_config['user']
if not port:
port = user_config['port']
if identity_file is None:
self.raise_error(
'Clouder does not have a record in the ssh config to '
'connect to your node.\n'
'Make sure there is a "%s" record in the "~/.ssh/config" '
'of the Clouder system user.\n'
'To easily add this record, you can click on the '
'"Reinstall" button of the node record, or the '
'"Reset Key" button of the service record you are '
'trying to access',
self._name,
)
# Security with latest version of Paramiko
# https://github.com/clouder-community/clouder/issues/11
if isinstance(identity_file, list):
identity_file = identity_file[0]
# Probably not useful anymore, to remove later
if not isinstance(identity_file, basestring):
self.raise_error(
'For an unknown reason, the variable identityfile '
'in the connect ssh function is invalid. Please report '
'this message.\n'
'IdentityFile: "%s", Type: "%s"',
(identity_file, type(identity_file)),
)
return identity_file, host, username, int(port)
def cleanFilesOnECCHost(files, host):
import paramiko
logger = getLogger(__name__)
filesUploaded = []
if len(files) < 1:
return filesUploaded
client = paramiko.SSHClient()
client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
client.load_system_host_keys()
ssh_config = paramiko.SSHConfig()
user_config_file = os.path.expanduser("~/.ssh/config")
if os.path.exists(user_config_file):
with open(user_config_file) as f:
ssh_config.parse(f)
host = socket.getfqdn(host)
cfg = {'hostname': host, 'username': getpass.getuser()}
user_config = ssh_config.lookup(cfg['hostname'])
for k in ('hostname', 'username', 'port'):
if k in user_config:
cfg[k] = user_config[k]
if 'identityfile' in user_config:
cfg['key_filename'] = user_config['identityfile']
if 'proxycommand' in user_config:
cfg['sock'] = paramiko.ProxyCommand(user_config['proxycommand'])
logger.info("Connecting to host %s", host)
try:
client.connect(**cfg)
except EnvironmentError as e:
logger.error("Could not connect to host %s. %d:%s", host, e.errno,
os.strerror(e.errno))
return filesUploaded
# Setup sftp connection and transmit this script
sftp = client.open_sftp()
for f in files:
f = os.path.join(eccFileDir, os.path.basename(f))
try:
sftp.remove(f)
except Exception:
logger.exception("Could not delete '%s' on host %s.", f, host)
continue
try:
dirFiles = sftp.listdir(eccFileDir)
if dirFiles and len(dirFiles) == 0:
sftp.rmdir(eccFileDir)
except Exception:
logger.exception("Could not delete directory '%s' on host %s.",
eccFileDir, host)
def _get_ssh_config(config_path='~/.ssh/config'):
"""Extract the configuration located at ``config_path``.
Returns:
paramiko.SSHConfig: the configuration instance.
"""
ssh_config = paramiko.SSHConfig()
try:
with open(os.path.realpath(os.path.expanduser(config_path))) as f:
ssh_config.parse(f)
except IOError:
pass
return ssh_config
def lookup_host_in_ssh_config(hostname):
parser = paramiko.SSHConfig()
parser.parse(open(settings.TASK_CONFIG_BACKUP_SSH_CONFIG))
config = parser.lookup(hostname)
if 'port' in config:
ssh_port = int(config['port'])
else:
ssh_port = 22
if 'hostname' in config:
ssh_hostname = config['hostname']
else:
ssh_hostname = hostname
return ssh_hostname, ssh_port
def get_host_details(host):
"""vagrant.py --host <hostname> function"""
cmd = ["vagrant", "ssh-config", host]
ssh_config = subprocess.check_output(cmd).decode("utf-8")
config = paramiko.SSHConfig()
config.parse(io.StringIO(ssh_config))
host_config = config.lookup(host)
return {
'ansible_host': host_config['hostname'],
'ansible_port': host_config['port'],
'ansible_user': host_config['user'],
'ansible_private_key_file': host_config['identityfile'][0]
}
def _load_user_ssh_config(hostname):
import paramiko
user_config_file = RemoteSSH.ssh_config_filename()
user_ssh_config = {}
if hostname and os.path.exists(user_config_file):
ssh_config = paramiko.SSHConfig()
with open(user_config_file) as f:
# For whatever reason parsing directly from f is unreliable
f_copy = io.StringIO(f.read())
ssh_config.parse(f_copy)
user_ssh_config = ssh_config.lookup(hostname)
return user_ssh_config
def get_info_from_ssh_config(hostname):
user_config_file = os.path.expanduser("~/.ssh/config")
ssh_config = paramiko.SSHConfig()
if os.path.exists(user_config_file):
with open(user_config_file) as f:
ssh_config.parse(f)
cfg = ssh_config.lookup(hostname)
full_hostname = cfg["hostname"]
username = cfg["user"]
proxy = (
paramiko.ProxyCommand(cfg["proxycommand"]) if "proxycommand" in cfg else None
)
return username, full_hostname, proxy
def ssh_config_run(host, cmd):
ssh = paramiko.SSHClient()
ssh.load_system_host_keys()
ssh._policy = paramiko.WarningPolicy()
#ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh_config = paramiko.SSHConfig()
user_config_file = os.path.expanduser("~/.ssh/config")
try:
with open(user_config_file) as f:
ssh_config.parse(f)
except:
print("{} file could not be found. Aborting.".format(user_config_file))
sys.exit(1)
user_config = ssh_config.lookup(host)
cfg = {
'hostname': user_config['hostname'],
'username': user_config['user'],
'look_for_keys': False
}
if 'proxycommand' in user_config:
cfg['sock'] = paramiko.ProxyCommand(user_config['proxycommand'])
ssh.connect(**cfg)
retout = []
for m in cmd:
print(host, m)
if m[:4] == 'sudo':
transport = ssh.get_transport()
session = transport.open_session()
session.set_combine_stderr(True)
session.get_pty()
session.exec_command(m)
stdin = session.makefile('wb', -1)
stdout = session.makefile('rb', -1)
stdin.write('Ranchyang!1\n')
stdin.flush()
for line in stdout.read().splitlines():
print 'host: %s: %s' % (host, line)
continue
stdin, stdout, stderr = ssh.exec_command(m)
outt = stdout.readlines()
retout.append(outt)
for o in outt:
print(host, 'out', o)
err = stderr.readlines()
for e in err:
print(host, 'err', e)
ssh.close()
return retout
def _sshconf_lkup(self):
home = os.getenv('HOME')
if not home:
return
sshconf_path = os.path.join(os.getenv('HOME'), '.ssh/config')
if not os.path.exists(sshconf_path):
return
sshconf = paramiko.SSHConfig()
sshconf.parse(open(sshconf_path, 'r'))
found = sshconf.lookup(self._hostname)
self._hostname = found.get('hostname', self._hostname)
self._port = found.get('port', self._port)
self._auth_user = found.get('user')
def __init__(self):
super(_SSHClientBuilder, self).__init__()
self._hostname = None
self._port = 22
self._username = None
self._password = None
self._config = paramiko.SSHConfig()
self._client_class = paramiko.SSHClient
self._missing_host_key_policy = paramiko.AutoAddPolicy
self._timeout = DEFAULT_TIMEOUT
self._banner_timeout = DEFAULT_TIMEOUT
self._allow_agent = None
self._proxy_command = None
self._sock = None
def connect(self):
"""Connect to the SLURM master node."""
config = paramiko.SSHConfig()
config.parse(open(self.sshconfigfile))
host = config.lookup("cluster")
self.set_missing_host_key_policy(paramiko.AutoAddPolicy())
proxy = paramiko.ProxyCommand(host['proxycommand'])
super(SlurmSSHClient, self).connect(host['hostname'],
22,
username=self.usr,
key_filename=host["identityfile"],
sock=proxy)
return self
def put(self):
"""sync data"""
logging.basicConfig(level=logging.DEBUG)
hostname = self.hostname
print(hostname)
username = self.username
mypath = '/data/kafka-to-nexus/nicos000187.hdf'
mypath = os.getcwd() + '/x.txt'
print(mypath)
basepath = '/users/detector/experiments/V20/'
prop = GetProposal()
file_mgr = GetFiles()
file_mgr.set_base('./demo')
file_array = file_mgr.get()
remote_directory = basepath + prop.fetch()
remote_directory = '/users/' + username + '/'
print("remote_dir", remote_directory)
from os.path import expanduser
home = expanduser("~")
ssh_config_file = os.path.expanduser("~/.ssh/config")
proxy = None
if os.path.exists(ssh_config_file):
conf = paramiko.SSHConfig()
with open(ssh_config_file) as ssh_conf:
conf.parse(ssh_conf)
host_config = conf.lookup('login')
if 'proxycommand' in host_config:
print(host_config['proxycommand'])
proxy = paramiko.ProxyCommand(host_config['proxycommand'])
keyname = home + "/.ssh/id_ed25519"
print(username)
print(keyname)
ed25519_key = paramiko.Ed25519Key.from_private_key_file(keyname)
ssh = paramiko.SSHClient()
ssh.load_system_host_keys()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(hostname, username=username, pkey=ed25519_key, sock=proxy)
scp = SCPClient(ssh.get_transport())
for file in file_array:
mypath = file
basename = os.path.basename(mypath)
remotepath = remote_directory + '/' + basename
print(remotepath)
scp.put(mypath, recursive=True, remote_path=remotepath)
scp.close()
def get_host_details(host):
if debugging:
print(host)
cmd = "vagrant ssh-config {}".format(host)
p = subprocess.Popen(cmd.split(), stdout=subprocess.PIPE)
config = paramiko.SSHConfig()
config.parse(p.stdout)
c = config.lookup(host)
return {
"ansible_host": c["hostname"],
"ansible_port": c["port"],
"ansible_user": c["user"],
"ansible_private_key_file": c["identityfile"][0]
}
def _ssh_client(host_name, host_args, **kwargs):
"""prepare a paramiko.SSHClient with host keys and our
custom config. Returns client object and connection arguments.
Example usage:
```
client, args = _ssh_client('myhost.domain.name', {})
client.connect(**args)
client.exec_command('echo hello')
```
"""
client = paramiko.SSHClient()
client.load_system_host_keys()
if not config.ssh_strict_host_key_checking:
client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
args = {
'hostname':
host_name,
'username':
host_args.get('ssh-user', config.ssh_user),
'key_filename':
host_args.get('ssh-id-rsa-file', config.ssh_id_rsa_file),
'password':
host_args.get('ssh-id-rsa-password', config.ssh_id_rsa_password),
'timeout':
host_args.get('ssh-timeout', 5)
}
try:
proxy_command = host_args.get('ssh-proxycommand')
if proxy_command is None:
with open(config.ssh_config_file, 'r') as fin:
conf = paramiko.SSHConfig()
conf.parse(fin)
proxy_command = conf.lookup(host_name).get('proxycommand')
if proxy_command is not None:
logging.debug('[{}] Using proxy command {}'.format(
host_name, proxy_command))
args.update({'sock': paramiko.ProxyCommand(proxy_command)})
except Exception:
pass
args.update(**kwargs)
return client, args
def sshConfig(self, name):
p = Popen(['vagrant', 'ssh-config', name],
stdout=PIPE,
stderr=None,
stdin=None,
cwd='tests/',
)
p.wait()
if p.returncode != 0:
raise RuntimeError('Could not get ssh-config for ' + repr(name))
ssh_config = paramiko.SSHConfig()
ssh_config.parse(p.stdout)
p.stdout.close()
return ssh_config.lookup(name)
def _read_login_ssh_config(host, username, port_number, proxy_cmd):
ssh_config_file = os.path.expanduser("~/.ssh/config")
if os.path.exists(ssh_config_file):
conf = paramiko.SSHConfig()
with open(ssh_config_file) as f:
conf.parse(f)
port = int(
PythonSSHClient._get_ssh_config_port(conf, host, port_number))
user = PythonSSHClient._get_ssh_config_user(conf, host, username)
proxy_command = PythonSSHClient._get_ssh_config_proxy_cmd(
conf, host, proxy_cmd)
host = PythonSSHClient._get_ssh_config_host(conf, host)
return host, user, port, proxy_command
return host, username, port_number, proxy_cmd
def __init__(self,
name,
ip_addr,
base_dir,
shell_setup_commands=[],
use_ssh=True,
ssh_key_file=None,
ssh_port=22,
ssh_username=None,
ssh_config_file_path=None,
spy_port=None,
**kwargs):
raise Exception(f'Deprecated!!')
del kwargs
self.name = name
self._ip_addr = ip_addr
self.ssh_key_file = ssh_key_file
self.ssh_port = ssh_port
self._ssh_client = None
self._sftp_client = None
self.ssh_username = ssh_username
self._base_dir = base_dir
self.spy_port = spy_port
assert isinstance(shell_setup_commands, list)
self.shell_setup_commands = ["cd '%s'" % base_dir
] + list(shell_setup_commands)
self.use_ssh = use_ssh
self.reserved_ports = []
# If key file is not given, check
# if default config option is viable
if use_ssh and self.ssh_key_file is None:
if ssh_config_file_path is None and ssh_username is not None:
ssh_config_file_path = '/home/%s/.ssh/config' % ssh_username
config = paramiko.SSHConfig()
with open(ssh_config_file_path, 'r') as f:
config.parse(f)
res = config.lookup(ip_addr)
if 'identityfile' in res:
self.ssh_key_file = res['identityfile']
else:
raise Exception(
'ssh key file not provided and default not found in ssh config file at %s'
% ssh_config_file_path)
self._capacity = None
self._util = None
self.collected_spy_stats = False
def parse_ssh_config(
ssh_config: str | paramiko.SSHConfig | SSHConfigsDictT | None,
host: str,
) -> HostsSSHConfigs:
"""Parse ssh config to get real connection parameters.
:param ssh_config: SSH configuration for connection. Maybe config path, parsed as dict and paramiko parsed.
:type ssh_config:
typing.Union[
str,
paramiko.SSHConfig,
typing.Dict[str, typing.Dict[str, typing.Union[str, int, bool, typing.List[str]]]],
None
]
:param host: remote hostname
:type host: str
:return: parsed ssh config if available
:rtype: HostsSSHConfigs
"""
if isinstance(ssh_config, paramiko.SSHConfig):
return _parse_paramiko_ssh_config(ssh_config, host)
if isinstance(ssh_config, dict):
return _parse_dict_ssh_config(ssh_config, host)
if isinstance(ssh_config, str):
ssh_config_path = pathlib.Path(ssh_config).expanduser()
if ssh_config_path.exists():
real_config = paramiko.SSHConfig()
with ssh_config_path.open("t", encoding="utf-8") as f_config:
real_config.parse(f_config)
return _parse_paramiko_ssh_config(real_config, host)
system_ssh_config: paramiko.config.SSHConfig | None = _parse_ssh_config_file(
SSH_CONFIG_FILE_SYSTEM)
user_ssh_config: paramiko.config.SSHConfig | None = _parse_ssh_config_file(
SSH_CONFIG_FILE_USER)
if system_ssh_config is not None:
config = _parse_paramiko_ssh_config(system_ssh_config, host)
else:
config = HostsSSHConfigs({host: SSHConfig(host)})
if user_ssh_config is not None:
user_config = _parse_paramiko_ssh_config(user_ssh_config, host)
for hostname, cfg in user_config.items():
config[hostname] = config[hostname].overridden_by(cfg)
return config
def open(
self,
hostname: Optional[str],
username: Optional[str],
password: Optional[str],
port: Optional[int],
platform: Optional[str],
extras: Optional[Dict[str, Any]] = None,
configuration: Optional[Config] = None,
) -> None:
extras = extras or {}
client = paramiko.SSHClient()
client._policy = paramiko.WarningPolicy()
client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh_config = paramiko.SSHConfig()
ssh_config_file = configuration.ssh.config_file # type: ignore
if os.path.exists(ssh_config_file):
with open(ssh_config_file) as f:
ssh_config.parse(f)
parameters = {
"hostname": hostname,
"username": username,
"password": password,
"port": port,
}
user_config = ssh_config.lookup(hostname)
for k in ("hostname", "username", "port"):
if k in user_config:
parameters[k] = user_config[k]
if "proxycommand" in user_config:
parameters["sock"] = paramiko.ProxyCommand(
user_config["proxycommand"])
self.state["ssh_forward_agent"] = user_config.get(
"forwardagent") == "yes"
# TODO configurable
# if ssh_key_file:
# parameters['key_filename'] = ssh_key_file
if "identityfile" in user_config:
parameters["key_filename"] = user_config["identityfile"]
extras.update(parameters)
client.connect(**extras)
self.connection = client