def getSSHInfoForHost(host):
""" Inspired by:
http://markpasc.typepad.com/blog/2010/04/loading-ssh-config-settings-for-fabric.html """
from os.path import expanduser
from paramiko.config import SSHConfig
key = None
key_filename = None
host = host
def hostinfo(host, config):
hive = config.lookup(host)
if 'hostname' in hive:
host = hive['hostname']
if 'user' in hive:
host = '%s@%s' % (hive['user'], host)
if 'port' in hive:
host = '%s:%s' % (host, hive['port'])
return host
try:
config_file = file(expanduser('~/.ssh/config'))
except IOError:
pass
else:
config = SSHConfig()
config.parse(config_file)
key = config.lookup(host).get('identityfile', None)
if key != None: key_filename = expanduser(key)
host = hostinfo(host, config)
return key_filename, host
def _annotate_hosts_with_ssh_config_info():
from os.path import expanduser
from paramiko.config import SSHConfig
def hostinfo(host, config):
hive = config.lookup(host)
if 'hostname' in hive:
host = hive['hostname']
if 'user' in hive:
host = '%s@%s' % (hive['user'], host)
if 'port' in hive:
host = '%s:%s' % (host, hive['port'])
return host
try:
config_file = file(expanduser('~/.ssh/config'))
except IOError:
pass
else:
config = SSHConfig()
config.parse(config_file)
keys = [config.lookup(host).get('identityfile', None)
for host in env.hosts]
env.key_filename = [expanduser(key) for key in keys if key is not None]
env.hosts = [hostinfo(host, config) for host in env.hosts]
for role, rolehosts in env.roledefs.items():
env.roledefs[role] = [hostinfo(host, config) for host in rolehosts]
def main(working_dir=None):
if working_dir is None:
return
logentriesprovisioning.constants.set_working_dir(working_dir)
logentriesprovisioning.constants.set_account_key(None)
logentriesprovisioning.constants.set_logentries_logging()
if working_dir is None:
ssh_config_name = 'ssh_config'
else:
ssh_config_name = '%s/ssh_config'%working_dir
env.use_ssh_config = True
try:
config_file = file(ssh_config_name)
except IOError:
pass
else:
config = SSHConfig()
config.parse(config_file)
env._ssh_config = config
for i in range(0,len(config._config)):
print str(i), ' - ' , config._config[i]
list_hosts = []
for host_config in env._ssh_config._config:
print host_config
if host_config['host'][0]!='*':
list_hosts.extend(host_config['host'])
execute(sync,hosts=list_hosts)
def hosts(self):
"""Retrieve host instances from ssh config."""
config = SSHConfig()
with Path(self.user_config).open() as fileobj:
config.parse(fileobj)
hostnames = [i for i in config.get_hostnames() if self.is_endhost(i)]
return [self.transform_to_instances(i, config.lookup(i)) for i in hostnames]
def annotate_hosts_with_ssh_config_info():
"""
Load settings from ~/.ssh/config
NOTE: Need to define env.hosts first.
Code from http://markpasc.typepad.com/blog/2010/04/loading-ssh-config-settings-for-fabric.html
"""
def hostinfo(host, config):
hive = config.lookup(host)
if 'user' in hive:
host = '%s@%s' % (hive['user'], host)
if 'port' in hive:
host = '%s:%s' % (host, hive['port'])
return host
try:
config_file = file(expanduser('~/.ssh/config'))
except IOError:
pass
else:
config = SSHConfig()
config.parse(config_file)
keys = [config.lookup(host).get('identityfile', None)
for host in env.hosts]
env.key_filename = [key for key in keys if key is not None]
env.hosts = [hostinfo(host, config) for host in env.hosts]
def parse_ssh_config(file_obj):
"""
Provided only as a backward-compatible wrapper around L{SSHConfig}.
"""
config = SSHConfig()
config.parse(file_obj)
return config
def parse_ssh_config(file_obj):
"""
Provided only as a backward-compatible wrapper around L{SSHConfig}.
"""
config = SSHConfig()
config.parse(file_obj)
return config
def ssh_config(host):
from os.path import expanduser
from paramiko.config import SSHConfig
def hostinfo(host, config):
hive = config.lookup(host)
if 'hostname' in hive:
host = hive['hostname']
if 'user' in hive:
host = '%s@%s' % (hive['user'], host)
if 'port' in hive:
host = '%s:%s' % (host, hive['port'])
return host
try:
config_file = file(expanduser('~/.ssh/config'))
except IOError:
pass
else:
config = SSHConfig()
config.parse(config_file)
key = config.lookup(host).get('identityfile', None)
key_filename = expanduser(key)
env.key_filename = [key_filename] if key_filename else []
return hostinfo(host, config)
def loadSshConfig(self):
if self._sshConfig is None:
self._sshConfigStr = self._vagrant.ssh_config(vm_name=self.host)
configObj = StringIO(self._sshConfigStr)
self._sshConfig = SSHConfig()
# noinspection PyTypeChecker
self._sshConfig.parse(configObj)
self._sshHostConfig = self._sshConfig.lookup(self.host)
def load_ssh_config(self, host):
ssh_config = SSHConfig()
for path in (os.path.expanduser('~/.ssh/config'),
'/etc/ssh/ssh_config'):
if os.path.isfile(path):
with open(path) as fd:
ssh_config.parse(fd)
return ssh_config.lookup(host)
def parse_ssh_config(file_obj):
"""
Provided only as a backward-compatible wrapper around `.SSHConfig`.
.. deprecated:: 2.7
Use `SSHConfig.from_file` instead.
"""
config = SSHConfig()
config.parse(file_obj)
return config
def _clone_init_kwargs(self, *args, **kw):
# Parent kwargs
kwargs = super(Config, self)._clone_init_kwargs(*args, **kw)
# Transmit our internal SSHConfig via explicit-obj kwarg, thus
# bypassing any file loading. (Our extension of clone() above copies
# over other attributes as well so that the end result looks consistent
# with reality.)
new_config = SSHConfig()
# TODO: as with other spots, this implies SSHConfig needs a cleaner
# public API re: creating and updating its core data.
new_config._config = copy.deepcopy(self.base_ssh_config._config)
return dict(kwargs, ssh_config=new_config)
def _clone_init_kwargs(self, *args, **kw):
# Parent kwargs
kwargs = super(Config, self)._clone_init_kwargs(*args, **kw)
# Transmit our internal SSHConfig via explicit-obj kwarg, thus
# bypassing any file loading. (Our extension of clone() above copies
# over other attributes as well so that the end result looks consistent
# with reality.)
new_config = SSHConfig()
# TODO: as with other spots, this implies SSHConfig needs a cleaner
# public API re: creating and updating its core data.
new_config._config = copy.deepcopy(self.base_ssh_config._config)
return dict(kwargs, ssh_config=new_config)
def from_ssh_config(cls,
host,
config_file=os.path.expanduser("~/.ssh/config")):
if os.path.isfile(config_file):
ssh_config = SSHConfig()
with open(config_file) as f:
ssh_config.parse(f)
user_config = ssh_config.lookup(host)
if 'proxycommand' in user_config:
return cls(user_config['proxycommand'])
return None
def __init__(self, containers_file, extra_ssh_config_file):
with open(conf.containers_file()) as infile:
containers = yaml.load(infile)
self._containers = []
self._container_default_config = {}
self._ssh_config = SSHConfig()
if extra_ssh_config_file is not None:
with open(extra_ssh_config_file) as ssh_config_file:
self._ssh_config.parse(ssh_config_file)
self._missing_host_key_policy = AutoAddPolicy()
for container_config in containers:
if container_config['Host'] == '*':
self._container_default_config = container_config
break
for container_config in containers:
if container_config['Host'] == '*':
continue
container_host = container_config['Host']
ssh_host_config = self._ssh_config.lookup(container_host)
ip_address = self._get_hostname_option(container_config)
container = {
'Hostname': container_host,
'Id': container_host,
'Name': container_host,
'Labels': {
'interface': container_config['Interface'],
'type': container_config['Type']
},
'State': {
'Running': 'running'
},
'NetworkSettings': {
'IPAddress': ip_address,
'MacAddress': None,
'Ports': None
},
'Config': container_config
}
self._containers.append(container)
self.next_exec_id = 0
self.ssh_connections = {}
self.execs = {}
def __init__(self, gerrit_host_alias):
ssh_config = SSHConfig()
user_ssh_config_file = os.path.expanduser("~/.ssh/config")
if os.path.exists(user_ssh_config_file):
with open(user_ssh_config_file) as f:
ssh_config.parse(f)
gerrit_host_name = ssh_config.lookup(gerrit_host_alias).get("hostname")
auth = HTTPBasicAuthFromNetrc("https://{}/".format(gerrit_host_alias))
self.gerrit_api_client = GerritRestAPI("https://{}/".format(gerrit_host_name), auth)
def __init__(self,
host,
credential=None,
stdout_queue=None,
stderr_queue=None):
self._password = None
self.host = host
self.credential = credential
self.stdout_queue = stdout_queue
self.stderr_queue = stderr_queue
self.client = SSHClient()
self.client.set_missing_host_key_policy(AutoAddPolicy())
self.config = SSHConfig()
self.forward_agent = False
self.parse_config_if_exists()
def _annotate_hosts_with_ssh_config_info():
from os.path import expanduser
from paramiko.config import SSHConfig
def hostinfo(host, config):
hive = config.lookup(host)
if 'hostname' in hive:
host = hive['hostname']
if 'user' in hive:
host = '%s@%s' % (hive['user'], host)
if 'port' in hive:
host = '%s:%s' % (host, hive['port'])
return host
try:
config_file = file(expanduser('~/.ssh/config'))
except IOError:
pass
else:
config = SSHConfig()
config.parse(config_file)
keys = [
config.lookup(host).get('identityfile', None)
for host in env.hosts
]
env.key_filename = [
expanduser(key) for key in keys if key is not None
]
env.hosts = [hostinfo(host, config) for host in env.hosts]
def __init__(self, hostname, user = None, filename = None):
#set defaults
if filename == None:
filename = os.path.expanduser('~/.ssh/config')
#read config file
ssh_config = SSHConfig()
with open(filename) as config_file:
ssh_config.parse(config_file)
self.update(ssh_config.lookup(hostname))
self.defaults={'port': 22, 'user': getpass.getuser(), 'hostname': hostname, 'hostkeyalias': hostname}
if user != None:
self['user'] = user
def does_not_affect_explicit_object(self, method):
sc = SSHConfig()
c = Config(ssh_config=sc, overrides={"load_ssh_configs": False})
# Implicit loading still doesn't happen...sanity check
assert not method.called
# Real test: the obj we passed in is present as usual
assert c.base_ssh_config is sc
def __init__(self, *args, **kwargs):
"""
Creates a new Fabric-specific config object.
For most API details, see `invoke.config.Config.__init__`. Parameters
new to this subclass are listed below.
:param ssh_config:
Custom/explicit `paramiko.config.SSHConfig` object. If given,
prevents loading of any SSH config files. Default: ``None``.
:param str runtime_ssh_path:
Runtime SSH config path to load. Prevents loading of system/user
files if given. Default: ``None``.
:param str system_ssh_path:
Location of the system-level SSH config file. Default:
``/etc/ssh/ssh_config``.
:param str user_ssh_path:
Location of the user-level SSH config file. Default:
``~/.ssh/config``.
:param bool lazy:
Has the same meaning as the parent class' ``lazy``, but
additionally controls whether SSH config file loading is deferred
(requires manually calling `load_ssh_config` sometime.) For
example, one may need to wait for user input before calling
`set_runtime_ssh_path`, which will inform exactly what
`load_ssh_config` does.
"""
# Tease out our own kwargs.
# TODO: consider moving more stuff out of __init__ and into methods so
# there's less of this sort of splat-args + pop thing? Eh.
ssh_config = kwargs.pop("ssh_config", None)
lazy = kwargs.get("lazy", False)
self.set_runtime_ssh_path(kwargs.pop("runtime_ssh_path", None))
system_path = kwargs.pop("system_ssh_path", "/etc/ssh/ssh_config")
self._set(_system_ssh_path=system_path)
self._set(_user_ssh_path=kwargs.pop("user_ssh_path", "~/.ssh/config"))
# Record whether we were given an explicit object (so other steps know
# whether to bother loading from disk or not)
# This needs doing before super __init__ as that calls our post_init
explicit = ssh_config is not None
self._set(_given_explicit_object=explicit)
# Arrive at some non-None SSHConfig object (upon which to run .parse()
# later, in _load_ssh_file())
if ssh_config is None:
ssh_config = SSHConfig()
self._set(base_ssh_config=ssh_config)
# Now that our own attributes have been prepared & kwargs yanked, we
# can fall up into parent __init__()
super(Config, self).__init__(*args, **kwargs)
# And finally perform convenience non-lazy bits if needed
if not lazy:
self.load_ssh_config()
def _get_host_ip(
host: str,
ssh_config_path: str = "~/.ssh/config"
) -> Union[IPv4Address, IPv6Address]:
"""
1. If host.name is a short alias,
we assume there is a corresponding record in `~/.ssh/config`:
1.1 If the corresponding `HOSTNAME` value is an IP address,
return it as the result.
1.2 If the corresponding `HOSTNAME` is a domain,
return the IP of the domain,
assuming the domain is accessible from the local machine.
2. If host.name is a domain, return its IP,
assuming the domain is accessible from the local machine.
3. Else raise an ValueError.
"""
posix_path: PosixPath = PosixPath(ssh_config_path)
path_with_user_expanded: PosixPath = posix_path.expanduser()
config: SSHConfig = SSHConfig.from_path(str(path_with_user_expanded))
# If `host.name` does not exist in `~/.ssh/config`,
# `config.lookup(host.name)['hostname']` returns `host.name` itself.
hostname: str = config.lookup(host)["hostname"]
ip: Union[IPv4Address, IPv6Address]
try:
ip = ip_address(hostname)
except ValueError:
return ip_address(socket.gethostbyname(hostname))
else:
return ip
def loadSshConfig(self):
if self._sshConfig is None:
self._sshConfigStr = self._vagrant.ssh_config(vm_name=self.host)
configObj = StringIO(self._sshConfigStr)
self._sshConfig = SSHConfig()
# noinspection PyTypeChecker
self._sshConfig.parse(configObj)
self._sshHostConfig = self._sshConfig.lookup(self.host)
def __init__(self, hostname, configpath=None, dry_run=False):
ssh_config = SSHConfig()
if not hostname:
print(red('"hostname" must be defined'))
sys.exit(1)
parsed = self.parse_host(hostname)
hostname = parsed.get('hostname')
username = parsed.get('username')
if configpath:
if not isinstance(configpath, (list, tuple)):
configpath = [configpath]
for path in configpath:
self._load_config(path, hostname)
with (Path.home() / '.ssh/config').open() as fd:
ssh_config.parse(fd)
ssh_config = ssh_config.lookup(hostname)
self.dry_run = dry_run
self.hostname = config.hostname or ssh_config['hostname']
self.username = (username or config.username
or ssh_config.get('user', getuser()))
self.formatter = Formatter()
self.key_filenames = []
if config.key_filename:
self.key_filenames.append(config.key_filename)
if 'identityfile' in ssh_config:
self.key_filenames.extend(ssh_config['identityfile'])
self.sudo = ''
self.cd = None
self.screen = None
self.env = {}
self._sftp = None
self.proxy_command = ssh_config.get('proxycommand',
config.proxy_command)
self.open()
def __init__(self,
hostname,
username=None,
password=None,
transport=None,
port=None,
ssh_config_file=None):
self.hostname = hostname
c_args = dict()
c_args['username'] = os.getenv('EOS_USER') or os.getenv(
'USER') or username
c_args['password'] = os.getenv('EOS_PASSWORD') or os.getenv(
'PASSWORD') or password
if port:
c_args['port'] = port
ssh_config_file = ssh_config_file or os.getenv('EOS_SSH_CONFIG')
if ssh_config_file:
ssh_config = SSHConfig()
ssh_config.parse(open(ssh_config_file))
found = ssh_config.lookup(hostname)
if 'user' in found:
c_args['username'] = found['user']
if 'hostname' in found:
c_args['host'] = found['hostname']
if 'localforward' in found:
port = int(first(found['localforward']).split()[0])
c_args['port'] = port
c_args['host'] = 'localhost'
else:
c_args['host'] = hostname
c_args['transport'] = transport or self.DEFAULT_TRANSPORT
self.api = pyeapi.connect(**c_args)
def __init__(self, hostname, user=None, filename=None):
#set defaults
if filename == None:
filename = os.path.expanduser('~/.ssh/config')
#read config file
ssh_config = SSHConfig()
with open(filename) as config_file:
ssh_config.parse(config_file)
self.update(ssh_config.lookup(hostname))
self.defaults = {
'port': 22,
'user': getpass.getuser(),
'hostname': hostname,
'hostkeyalias': hostname
}
if user != None:
self['user'] = user
def annotate_from_sshconfig(env):
"""
Adds support for reading the host names, users and ports from ~/ssh/config
Replaces the hosts defined in ssh config with actual host names, so that Fabric
can take the advantage from it
.. IMPORTANT:: This does not support /etc/ssh/ssh_config yet!
"""
from os.path import expanduser
from paramiko.config import SSHConfig
def hostinfo(host, config):
hive = config.lookup(host)
if 'hostname' in hive:
host = hive['hostname']
if 'user' in hive:
host = '%s@%s' % (hive['user'], host)
if 'port' in hive:
host = '%s:%s' % (host, hive['port'])
return host
# Look for user config, if found, parse it and update roledefs. Otherwise just ignore it (it is not required at all)
try:
config_file = file(expanduser('~/.ssh/config'))
except IOError:
pass
else:
config = SSHConfig()
config.parse(config_file)
keys = [
config.lookup(host).get('identityfile', None)
for host in api.env.hosts
]
env.key_filename = [expanduser(key) for key in keys if key is not None]
env.hosts = [hostinfo(host, config) for host in env.hosts]
for role, rolehosts in env.roledefs.items():
env.roledefs[role] = [hostinfo(host, config) for host in rolehosts]
def __init__(self, hostname, configpath=None):
ssh_config = SSHConfig()
if not hostname:
print(red('"hostname" must be defined'))
sys.exit(1)
parsed = self.parse_host(hostname)
hostname = parsed.get('hostname')
username = parsed.get('username')
if configpath:
if not isinstance(configpath, (list, tuple)):
configpath = [configpath]
for path in configpath:
self._load_config(path, hostname)
with (Path.home() / '.ssh/config').open() as fd:
ssh_config.parse(fd)
ssh_config = ssh_config.lookup(hostname)
self.hostname = ssh_config['hostname']
self.username = username or ssh_config.get('user', getuser())
self.open()
self.formatter = Formatter()
self.sudo = ''
self.cd = None
self.screen = None
self.env = {}
self._sftp = None
def create_worker(host):
config = SSHConfig()
proxy = None
if os.path.exists(os.path.expanduser('~/.ssh/config')):
with open(os.path.expanduser('~/.ssh/config')) as f:
config.parse(f)
if host.hostname is not None and 'proxycommand' in config.lookup(
host.hostname):
proxy = ProxyCommand(config.lookup(host.hostname)['proxycommand'])
worker = SSHClient()
worker.load_system_host_keys()
worker.set_missing_host_key_policy(AutoAddPolicy())
# store data for later reference
worker.host = host.hostname
worker.username = host.username
worker.password = host.password
worker.key_filename = host.key_filename
worker.connect(hostname=host.hostname,
username=host.username,
password=host.password,
key_filename=host.key_filename,
sock=proxy)
return worker
def ssh_hosts():
paths = []
configs = {}
try:
import pwd
for pw in pwd.getpwall():
config_path = path.join(pw.pw_dir, '.ssh', 'config')
if path.isfile(config_path):
paths.append((pw.pw_name, config_path))
except ImportError:
config_path = path.expanduser(path.join('~', '.ssh', 'config'))
if path.isfile(config_path):
import getpass
paths = [(getpass.getuser(), config_path)]
for user, config_path in paths:
ssh_config = SSHConfig()
try:
with open(config_path) as config:
ssh_config.parse(config)
except OSError:
continue
configs[user] = {
host: ssh_config.lookup(host)
for host in ssh_config.get_hostnames()
}
configs.update(ssh_putty_hosts())
return configs
def create_worker(host):
config = SSHConfig()
proxy = None
if os.path.exists(os.path.expanduser('~/.ssh/config')):
config.parse(open(os.path.expanduser('~/.ssh/config')))
if host.hostname is not None and \
'proxycommand' in config.lookup(host.hostname):
proxy = ProxyCommand(config.lookup(host.hostname)['proxycommand'])
# proxy = paramiko.ProxyCommand("ssh -o StrictHostKeyChecking=no [email protected] nc 118.138.239.241 22")
worker = SSHClient()
worker.load_system_host_keys()
worker.set_missing_host_key_policy(AutoAddPolicy())
worker.hostname = host.hostname # store all this for later reference (e.g., logging, reconnection)
worker.username = host.username
worker.password = host.password
worker.proxy = proxy
if not host.key_filename is None:
worker.pkey = RSAKey.from_private_key_file(host.key_filename,
host.key_password)
else:
worker.pkey = None
# time.sleep(4)
# worker.connect(hostname=host.hostname, username=host.username, password=host.password, key_filename=host.key_filename, sock=proxy, timeout=3600)
worker.connect(hostname=host.hostname,
username=host.username,
password=host.password,
pkey=worker.pkey,
sock=proxy)
return worker
def open_gateway(self):
"""
Obtain a socket-like object from `gateway`.
:returns:
A ``direct-tcpip`` `paramiko.channel.Channel`, if `gateway` was a
`.Connection`; or a `~paramiko.proxy.ProxyCommand`, if `gateway`
was a string.
.. versionadded:: 2.0
"""
# ProxyCommand is faster to set up, so do it first.
if isinstance(self.gateway, string_types):
# Leverage a dummy SSHConfig to ensure %h/%p/etc are parsed.
# TODO: use real SSH config once loading one properly is
# implemented.
ssh_conf = SSHConfig()
dummy = "Host {}\n ProxyCommand {}"
ssh_conf.parse(StringIO(dummy.format(self.host, self.gateway)))
return ProxyCommand(ssh_conf.lookup(self.host)["proxycommand"])
# Handle inner-Connection gateway type here.
# TODO: logging
self.gateway.open()
# TODO: expose the opened channel itself as an attribute? (another
# possible argument for separating the two gateway types...) e.g. if
# someone wanted to piggyback on it for other same-interpreter socket
# needs...
# TODO: and the inverse? allow users to supply their own socket/like
# object they got via $WHEREEVER?
# TODO: how best to expose timeout param? reuse general connection
# timeout from config?
return self.gateway.transport.open_channel(
kind="direct-tcpip",
dest_addr=(self.host, int(self.port)),
# NOTE: src_addr needs to be 'empty but not None' values to
# correctly encode into a network message. Theoretically Paramiko
# could auto-interpret None sometime & save us the trouble.
src_addr=("", 0),
)
def __init__(self, hostname, port=22, username=None, config_path=None):
self.hostname = hostname
self.client = SSHClient()
self.client.load_system_host_keys()
self.client.set_missing_host_key_policy(AutoAddPolicy())
if config_path is None:
config_path = os.path.join(os.path.expanduser('~'), '.ssh', 'config')
self.config = SSHConfig()
with open(config_path) as config_file:
self.config.parse(config_file)
if hostname in self.config.get_hostnames():
host_cfg = self.config.lookup(hostname)
full_hostname = host_cfg.get('hostname', hostname)
if username is None:
username = host_cfg.get('user', None) # If none, it will try the user running the server.
else:
full_hostname = hostname
self.client.connect(full_hostname, port, username=username)
def __init__(self, hostname: str, root: Path, port: int, username: str,
password: str, key: Union[PathLike, Sequence[PathLike]]):
ssh = SSHClient()
ssh.load_system_host_keys()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
config_path = Path('~/.ssh/config').expanduser()
if config_path.exists():
with open(config_path) as f:
config = SSHConfig()
config.parse(f)
host = config.lookup(hostname)
hostname = host.get('hostname', hostname)
port = host.get('port', port)
username = host.get('user', username)
key = host.get('identityfile', key)
[self.hostname, self.port, self.username, self.password,
self.key] = hostname, port, username, password, key
self.root = root
self.ssh = ssh
def open_gateway(self):
"""
Obtain a socket-like object from `gateway`.
:returns:
A ``direct-tcpip`` `paramiko.channel.Channel`, if `gateway` was a
`.Connection`; or a `~paramiko.proxy.ProxyCommand`, if `gateway`
was a string.
.. versionadded:: 2.0
"""
# ProxyCommand is faster to set up, so do it first.
if isinstance(self.gateway, string_types):
# Leverage a dummy SSHConfig to ensure %h/%p/etc are parsed.
# TODO: use real SSH config once loading one properly is
# implemented.
ssh_conf = SSHConfig()
dummy = "Host {}\n ProxyCommand {}"
ssh_conf.parse(StringIO(dummy.format(self.host, self.gateway)))
return ProxyCommand(ssh_conf.lookup(self.host)["proxycommand"])
# Handle inner-Connection gateway type here.
# TODO: logging
self.gateway.open()
# TODO: expose the opened channel itself as an attribute? (another
# possible argument for separating the two gateway types...) e.g. if
# someone wanted to piggyback on it for other same-interpreter socket
# needs...
# TODO: and the inverse? allow users to supply their own socket/like
# object they got via $WHEREEVER?
# TODO: how best to expose timeout param? reuse general connection
# timeout from config?
return self.gateway.transport.open_channel(
kind="direct-tcpip",
dest_addr=(self.host, int(self.port)),
# NOTE: src_addr needs to be 'empty but not None' values to
# correctly encode into a network message. Theoretically Paramiko
# could auto-interpret None sometime & save us the trouble.
src_addr=("", 0),
)
def hosts(self):
"""Retrieve host instances from ssh config."""
config = SSHConfig()
with Path(self.user_config).open() as fileobj:
config.parse(fileobj)
hostnames = [i for i in config.get_hostnames() if self.is_endhost(i)]
return [self.transform_to_instances(i, config.lookup(i))
for i in hostnames]
def main(working_dir=None, cmd='', group_name='AWS'):
"""
Main function for the module. Calls other functions according to the parameters provided.
"""
constants.set_working_dir(working_dir)
constants.set_account_key(None)
constants.set_logentries_logging()
if working_dir is None:
ssh_config_name = 'ssh_config'
else:
ssh_config_name = '%s/ssh_config'%working_dir
env.use_ssh_config = True
try:
config_file = file(ssh_config_name)
except IOError:
pass
else:
config = SSHConfig()
config.parse(config_file)
env._ssh_config = config
list_hosts = []
for host_config in env._ssh_config._config:
host_name = host_config['host'][0]
if host_config['host'][0]!='*':
ssh_config = host_config['config']['hostname']
logger.info('Found instance ssh config. instance=%s, ssh_config=%s', host_name, ssh_config)
list_hosts.extend(host_config['host'])
if cmd == 'deprovision':
execute(deprovision,hosts=list_hosts)
elif cmd == 'clean':
execute(set_instance_host_keys,hosts=list_hosts)
execute(remove_hosts,group_name,hosts=list_hosts)
elif cmd == '':
execute(sync,hosts=list_hosts)
def __power_off_linux():
cfg = SSHConfig.from_path(Path.home() / ".ssh" / "config")\
.lookup(SSH_INSTANCE)
ssh = SSHClient()
ssh.set_missing_host_key_policy(AutoAddPolicy())
ssh.connect(
**{
"hostname": cfg.get("hostname"),
"port": cfg.get("port") or 22,
"username": cfg.get("user"),
"password": cfg.get("password"),
"key_filename": cfg.get("identityfile"),
})
ssh.exec_command("sudo poweroff")
def config_parser(config_path: Union["Path", str]) -> SSHConfig:
"""Parses ssh config file.
Parameters
----------
config_path : Path
path to config file
Returns
-------
SSHConfig
paramiko SSHConfig object that parses config file
"""
if isinstance(config_path, str):
config_path = Path(config_path).expanduser()
config = SSHConfig()
try:
config.parse(config_path.open())
except FileNotFoundError:
pass
return config
def annotate_from_sshconfig(env):
"""
Adds support for reading the host names, users and ports from ~/ssh/config
Replaces the hosts defined in ssh config with actual host names, so that Fabric
can take the advantage from it
.. IMPORTANT:: This does not support /etc/ssh/ssh_config yet!
"""
from os.path import expanduser
from paramiko.config import SSHConfig
def hostinfo(host, config):
hive = config.lookup(host)
if "hostname" in hive:
host = hive["hostname"]
if "user" in hive:
host = "%s@%s" % (hive["user"], host)
if "port" in hive:
host = "%s:%s" % (host, hive["port"])
return host
# Look for user config, if found, parse it and update roledefs. Otherwise just ignore it (it is not required at all)
try:
config_file = file(expanduser("~/.ssh/config"))
except IOError:
pass
else:
config = SSHConfig()
config.parse(config_file)
keys = [config.lookup(host).get("identityfile", None) for host in api.env.hosts]
env.key_filename = [expanduser(key) for key in keys if key is not None]
env.hosts = [hostinfo(host, config) for host in env.hosts]
for role, rolehosts in env.roledefs.items():
env.roledefs[role] = [hostinfo(host, config) for host in rolehosts]
def _annotate_hosts_with_ssh_config_info():
from os.path import expanduser
from paramiko.config import SSHConfig
def hostinfo(host, config):
hive = config.lookup(host)
if "hostname" in hive:
host = hive["hostname"]
if "user" in hive:
host = "%s@%s" % (hive["user"], host)
if "port" in hive:
host = "%s:%s" % (host, hive["port"])
return host
try:
config_file = file(expanduser("~/.ssh/config"))
except IOError:
pass
else:
config = SSHConfig()
config.parse(config_file)
keys = [config.lookup(host).get("identityfile", None) for host in env.hosts]
env.key_filename = [expanduser(key) for key in keys if key is not None]
env.hosts = [hostinfo(host, config) for host in env.hosts]
def _annotate_hosts_with_ssh_config_info(path):
from os.path import expanduser
from paramiko.config import SSHConfig
def hostinfo(host, config):
hive = config.lookup(host)
# if 'hostname' in hive:
# host = hive['hostname']
if 'user' in hive:
host = '%s@%s' % (hive['user'], host)
if 'port' in hive:
host = '%s:%s' % (host, hive['port'])
#print 'hive',hive
#print 'host',host
return host
try:
config_file = file(expanduser(path))
except IOError:
pass
else:
config = SSHConfig()
config.parse(config_file)
# add hosts from ssh config to env.host & sort + unique
env.hosts.extend([h for h in config.get_hostnames() if len(h) > 1])
env.hosts = sorted(set(env.hosts))
keys = [config.lookup(host).get('identityfile', None) for host in env.hosts]
# flatten
keys = [item for sublist in keys if sublist is not None for item in sublist]
env.key_filename = [expanduser(key) for key in keys if key is not None]
env.hosts = [hostinfo(host, config) for host in env.hosts]
for role, rolehosts in env.roledefs.items():
env.roledefs[role] = [hostinfo(host, config) for host in rolehosts]
def __init__(self, host):
self.host = host
config_file = open(expanduser('.tmp/ssh_config'))
config = SSHConfig()
config.parse(config_file)
ip = config.lookup(host).get('hostname', None)
port = config.lookup(host).get('port', 22)
pk = config.lookup(host).get('identityfile', None)
self.ssh = paramiko.SSHClient()
self.ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
self.ssh.connect(hostname=ip, port=int(port), username=SSH_USERNAME, key_filename=pk)
s = self.ssh.get_transport().open_session()
paramiko.agent.AgentRequestHandler(s)
class SystemVM(object):
def __init__(self, host="default", vagrantDir=None, controlVagrant=True):
global _defaultVagrantDir
self.host = host
self._controlVagrant = controlVagrant
if vagrantDir is None:
vagrantDir = _defaultVagrantDir
self._vagrant = Vagrant(root=vagrantDir)
self._startedVagrant = False
self._sshClient = None
self._sshConfigStr = None
self._sshConfig = None
self._sshHostConfig = None
def maybeUp(self):
if not self._controlVagrant:
return
state = self._vagrant.status(vm_name=self.host)[0].state
if state == Vagrant.NOT_CREATED:
self._vagrant.up(vm_name=self.host)
self._startedVagrant = True
elif state in [Vagrant.POWEROFF, Vagrant.SAVED, Vagrant.ABORTED]:
raise Exception("SystemVM testing does not support resume(), do not use vagrant suspend/halt")
elif state == Vagrant.RUNNING:
self._startedVagrant = False
else:
raise Exception("Unrecognized vagrant state %s" % state)
def maybeDestroy(self):
if not self._controlVagrant or not self._startedVagrant:
return
self._vagrant.destroy(vm_name=self.host)
if self._sshClient is not None:
self._sshClient.close()
def loadSshConfig(self):
if self._sshConfig is None:
self._sshConfigStr = self._vagrant.ssh_config(vm_name=self.host)
configObj = StringIO(self._sshConfigStr)
self._sshConfig = SSHConfig()
# noinspection PyTypeChecker
self._sshConfig.parse(configObj)
self._sshHostConfig = self._sshConfig.lookup(self.host)
@property
def sshConfig(self):
if self._sshConfig is None:
self.loadSshConfig()
return self._sshConfig
@property
def sshConfigStr(self):
if self._sshConfigStr is None:
self.loadSshConfig()
return self._sshConfigStr
@property
def sshClient(self):
if self._sshClient is None:
self.loadSshConfig()
self._sshClient = SSHClient()
self._sshClient.set_missing_host_key_policy(AutoAddPolicy())
self._sshClient.connect(self.hostname, self.sshPort, self.sshUser, key_filename=self.sshKey, timeout=10)
return self._sshClient
@property
def hostname(self):
return self._sshHostConfig.get("hostname", self.host)
@property
def sshPort(self):
return int(self._sshHostConfig.get("port", 22))
@property
def sshUser(self):
return self._sshHostConfig.get("user", "root")
@property
def sshKey(self):
return self._sshHostConfig.get("identityfile", "~/.ssh/id_rsa")
class SshClient(object):
def __init__(self, containers_file, extra_ssh_config_file):
with open(conf.containers_file()) as infile:
containers = yaml.load(infile)
self._containers = []
self._container_default_config = {}
self._ssh_config = SSHConfig()
if extra_ssh_config_file is not None:
with open(extra_ssh_config_file) as ssh_config_file:
self._ssh_config.parse(ssh_config_file)
self._missing_host_key_policy = AutoAddPolicy()
for container_config in containers:
if container_config['Host'] == '*':
self._container_default_config = container_config
break
for container_config in containers:
if container_config['Host'] == '*':
continue
container_host = container_config['Host']
ip_address = self._get_hostname_option(container_config)
container = {
'Hostname': container_host,
'Id': container_host,
'Name': container_host,
'Labels': {
'interface': container_config['Interface'],
'type': container_config['Type']
},
'State': {
'Running': 'running'
},
'NetworkSettings': {
'IPAddress': ip_address,
'MacAddress': None,
'Ports': None
},
'Config': container_config
}
self._containers.append(container)
self.next_exec_id = 0
self.ssh_connections = {}
self.execs = {}
def inspect_container(self, container_id):
for container in self._containers:
if container_id == container['Id']:
return {'Name': container['Name'],
'Config': container,
'State': container['State'],
'NetworkSettings': container['NetworkSettings']}
return None
def containers(self, all=None):
return self._containers
def get_container_by_name(self, container_name):
for container in self._containers:
if container_name == str(container['Name']).translate(None, '/'):
return container
return None
def exec_create(self, container_name,
cmd,
stdout=True,
stderr=True,
tty=False):
LOG.info("Running command %s at container %s " % (cmd, container_name))
exec_id = self.next_exec_id
self.next_exec_id += 1
self.execs[exec_id] = (container_name, cmd, None, None)
return exec_id
def exec_start(self, exec_id, detach=False, stream=False):
container_name, cmd, stdout, stderr = self.execs[exec_id]
ssh_connection = self._get_ssh_connection(container_name)
stdin, stdout, stderr = ssh_connection.exec_command(cmd)
if stream:
self.execs[exec_id] = (container_name, cmd, stdout, stderr)
return stdout
else:
return ''.join(stdout.readlines())
def exec_inspect(self, exec_id, detach=False, stream=False):
container_name, cmd, stdout, stderr = self.execs[exec_id]
if stdout.channel.exit_status_ready():
running = False
exit_code = stdout.channel.recv_exit_status()
else:
running = True
exit_code = "N/A"
return {'Running': running,
'ProcessConfig': {
'entrypoint': cmd.split(' ')[0],
'arguments': cmd.split(' ')[1:]},
'ExitCode': exit_code}
def _get_option(self, container_config, option, paramiko_option, default):
return container_config.get(option,
self._container_default_config.get(option,
self._ssh_config.lookup(container_config['Host']).get(paramiko_option,
default)))
def _get_hostname_option(self, container_config):
hostname = self._get_option(container_config, 'HostName', 'hostname', 'localhost')
return socket.gethostbyname(hostname)
def _get_port_option(self, container_config):
return int(self._get_option(container_config, 'Port', 'port', '22'))
def _get_user_option(self, container_config):
return self._get_option(container_config, 'User', 'user', 'root')
def _get_password_option(self, container_config):
return self._get_option(container_config, 'Password', 'password', None)
def _get_identity_file_option(self, container_config):
return self._get_option(container_config, 'IdentityFile', 'identityfile', '/dev/null')
def _get_strict_host_key_checking_option(self, container_config):
return self._get_option(container_config, 'StrictHostKeyChecking',
'stricthostkeychecking', 'yes')
def _get_user_known_hosts_file(self, container_config):
return self._get_option(container_config, 'UserKnownHostsFile',
'userknownhostsfile', '/dev/null')
def _get_ssh_connection(self, container_name):
if container_name in self.ssh_connections:
return self.ssh_connections[container_name]
config = self.get_container_by_name(container_name)['Config']
ssh_connection = paramiko.SSHClient()
ssh_connection.load_system_host_keys()
ssh_connection.set_missing_host_key_policy(self._missing_host_key_policy)
try:
ssh_connection.connect(self._get_hostname_option(config),
port=self._get_port_option(config),
username=self._get_user_option(config),
password=self._get_password_option(config),
key_filename=self._get_identity_file_option(config),
look_for_keys=False,
allow_agent=False
)
except paramiko.ssh_exception.AuthenticationException:
raise Exception("AuthenticationException while trying to " +
("connect to %s container: %s with config %s" %
(container_name, container_name, config)))
self.ssh_connections[container_name] = ssh_connection
return self.ssh_connections[container_name]
def config_obj_prevents_loading_runtime_path_too(self, method):
sc = SSHConfig()
Config(ssh_config=sc, runtime_ssh_path=self._system_path)
assert not method.called
def when_config_obj_given_default_paths_are_not_sought(self, method):
sc = SSHConfig()
Config(ssh_config=sc)
assert not method.called
