def _su_sudo_cmd(self, cmd):
if self.runner.su and self.runner.su_user:
return utils.make_su_cmd(self.runner.su_user, '/bin/sh', cmd)
elif self.runner.sudo:
return utils.make_sudo_cmd(self.runner.sudo_user, '/bin/sh', cmd)
else:
return cmd, None, None
def exec_command(
self, cmd, tmp_path, sudo_user=None, sudoable=False, executable="/bin/sh", in_data=None, su_user=None, su=False
):
""" run a command on the remote host """
ssh_cmd = self._password_cmd()
ssh_cmd += ["ssh", "-C"]
if not in_data:
# we can only use tty when we are not pipelining the modules. piping data into /usr/bin/python
# inside a tty automatically invokes the python interactive-mode but the modules are not
# compatible with the interactive-mode ("unexpected indent" mainly because of empty lines)
ssh_cmd += ["-tt"]
if utils.VERBOSITY > 3:
ssh_cmd += ["-vvv"]
else:
ssh_cmd += ["-q"]
ssh_cmd += self.common_args
if self.ipv6:
ssh_cmd += ["-6"]
ssh_cmd += [self.host]
if su and su_user:
sudocmd, prompt, success_key = utils.make_su_cmd(su_user, executable, cmd)
ssh_cmd.append(sudocmd)
elif not self.runner.sudo or not sudoable:
prompt = None
if executable:
ssh_cmd.append(executable + " -c " + pipes.quote(cmd))
else:
ssh_cmd.append(cmd)
else:
sudocmd, prompt, success_key = utils.make_sudo_cmd(self.runner.sudo_exe, sudo_user, executable, cmd)
ssh_cmd.append(sudocmd)
vvv("EXEC %s" % " ".join(ssh_cmd), host=self.host)
not_in_host_file = self.not_in_host_file(self.host)
if C.HOST_KEY_CHECKING and not_in_host_file:
# lock around the initial SSH connectivity so the user prompt about whether to add
# the host to known hosts is not intermingled with multiprocess output.
fcntl.lockf(self.runner.process_lockfile, fcntl.LOCK_EX)
fcntl.lockf(self.runner.output_lockfile, fcntl.LOCK_EX)
# create process
(p, stdin) = self._run(ssh_cmd, in_data)
self._send_password()
no_prompt_out = ""
no_prompt_err = ""
if (self.runner.sudo and sudoable and self.runner.sudo_pass) or (self.runner.su and su and self.runner.su_pass):
# several cases are handled for sudo privileges with password
# * NOPASSWD (tty & no-tty): detect success_key on stdout
# * without NOPASSWD:
# * detect prompt on stdout (tty)
# * detect prompt on stderr (no-tty)
fcntl.fcntl(p.stdout, fcntl.F_SETFL, fcntl.fcntl(p.stdout, fcntl.F_GETFL) | os.O_NONBLOCK)
fcntl.fcntl(p.stderr, fcntl.F_SETFL, fcntl.fcntl(p.stderr, fcntl.F_GETFL) | os.O_NONBLOCK)
sudo_output = ""
sudo_errput = ""
while True:
if (
success_key in sudo_output
or (self.runner.sudo_pass and sudo_output.endswith(prompt))
or (self.runner.su_pass and utils.su_prompts.check_su_prompt(sudo_output))
):
break
rfd, wfd, efd = select.select([p.stdout, p.stderr], [], [p.stdout], self.runner.timeout)
if p.stderr in rfd:
chunk = p.stderr.read()
if not chunk:
raise errors.AnsibleError("ssh connection closed waiting for sudo or su password prompt")
sudo_errput += chunk
incorrect_password = gettext.dgettext("sudo", "Sorry, try again.")
if sudo_errput.strip().endswith("%s%s" % (prompt, incorrect_password)):
raise errors.AnsibleError("Incorrect sudo password")
elif prompt and sudo_errput.endswith(prompt):
stdin.write(self.runner.sudo_pass + "\n")
if p.stdout in rfd:
chunk = p.stdout.read()
if not chunk:
raise errors.AnsibleError("ssh connection closed waiting for sudo or su password prompt")
sudo_output += chunk
if not rfd:
# timeout. wrap up process communication
stdout = p.communicate()
raise errors.AnsibleError("ssh connection error waiting for sudo or su password prompt")
if success_key not in sudo_output:
if sudoable:
stdin.write(self.runner.sudo_pass + "\n")
elif su:
stdin.write(self.runner.su_pass + "\n")
else:
no_prompt_out += sudo_output
no_prompt_err += sudo_errput
(returncode, stdout, stderr) = self._communicate(p, stdin, in_data, su=su, sudoable=sudoable, prompt=prompt)
if C.HOST_KEY_CHECKING and not_in_host_file:
# lock around the initial SSH connectivity so the user prompt about whether to add
# the host to known hosts is not intermingled with multiprocess output.
fcntl.lockf(self.runner.output_lockfile, fcntl.LOCK_UN)
fcntl.lockf(self.runner.process_lockfile, fcntl.LOCK_UN)
controlpersisterror = (
"Bad configuration option: ControlPersist" in stderr
or "unknown configuration option: ControlPersist" in stderr
)
if C.HOST_KEY_CHECKING:
if ssh_cmd[0] == "sshpass" and p.returncode == 6:
raise errors.AnsibleError(
"Using a SSH password instead of a key is not possible because Host Key checking is enabled and sshpass does not support this. Please add this host's fingerprint to your known_hosts file to manage this host."
)
if p.returncode != 0 and controlpersisterror:
raise errors.AnsibleError(
'using -c ssh on certain older ssh versions may not support ControlPersist, set ANSIBLE_SSH_ARGS="" (or ssh_args in [ssh_connection] section of the config file) before running again'
)
if p.returncode == 255 and (in_data or self.runner.module_name == "raw"):
raise errors.AnsibleError(
"SSH Error: data could not be sent to the remote host. Make sure this host can be reached over ssh"
)
return (p.returncode, "", no_prompt_out + stdout, no_prompt_err + stderr)
vvv("EXEC %s" % quoted_command, host=self.host)
chan.exec_command(quoted_command)
else:
# sudo usually requires a PTY (cf. requiretty option), therefore
# we give it one by default (pty=True in ansble.cfg), and we try
# to initialise from the calling environment
if C.PARAMIKO_PTY:
chan.get_pty(term=os.getenv('TERM', 'vt100'),
width=int(os.getenv('COLUMNS', 0)),
height=int(os.getenv('LINES', 0)))
if self.runner.sudo or sudoable:
shcmd, prompt, success_key = utils.make_sudo_cmd(self.runner.sudo_exe, sudo_user, executable, cmd)
elif self.runner.su or su:
shcmd, prompt, success_key = utils.make_su_cmd(su_user, executable, cmd)
vvv("EXEC %s" % shcmd, host=self.host)
sudo_output = ''
try:
chan.exec_command(shcmd)
if self.runner.sudo_pass or self.runner.su_pass:
while True:
if success_key in sudo_output or \
(self.runner.sudo_pass and sudo_output.endswith(prompt)) or \
(self.runner.su_pass and utils.su_prompts.check_su_prompt(sudo_output)):
def exec_command(self,
cmd,
tmp_path,
sudo_user=None,
sudoable=False,
executable='/bin/sh',
in_data=None,
su=None,
su_user=None):
''' run a command on the remote host '''
if in_data:
raise errors.AnsibleError(
"Internal Error: this module does not support optimized module pipelining"
)
bufsize = 4096
try:
self.ssh.get_transport().set_keepalive(5)
chan = self.ssh.get_transport().open_session()
except Exception as e:
msg = "Failed to open session"
if len(str(e)) > 0:
msg += ": %s" % str(e)
raise errors.AnsibleConnectionFailed(msg)
no_prompt_out = ''
no_prompt_err = ''
if not (self.runner.sudo and sudoable) and not (self.runner.su and su):
if executable:
quoted_command = executable + ' -c ' + pipes.quote(cmd)
else:
quoted_command = cmd
vvv("EXEC %s" % quoted_command, host=self.host)
chan.exec_command(quoted_command)
else:
# sudo usually requires a PTY (cf. requiretty option), therefore
# we give it one by default (pty=True in ansble.cfg), and we try
# to initialise from the calling environment
if C.PARAMIKO_PTY:
chan.get_pty(term=os.getenv('TERM', 'vt100'),
width=int(os.getenv('COLUMNS', 0)),
height=int(os.getenv('LINES', 0)))
if self.runner.sudo or sudoable:
shcmd, prompt, success_key = utils.make_sudo_cmd(
self.runner.sudo_exe, sudo_user, executable, cmd)
elif self.runner.su or su:
shcmd, prompt, success_key = utils.make_su_cmd(
su_user, executable, cmd)
vvv("EXEC %s" % shcmd, host=self.host)
sudo_output = ''
try:
chan.exec_command(shcmd)
if self.runner.sudo_pass or self.runner.su_pass:
while True:
if success_key in sudo_output or \
(self.runner.sudo_pass and sudo_output.endswith(prompt)) or \
(self.runner.su_pass and utils.su_prompts.check_su_prompt(sudo_output)):
break
chunk = chan.recv(bufsize)
if not chunk:
if 'unknown user' in sudo_output:
raise errors.AnsibleError(
'user %s does not exist' % sudo_user)
else:
raise errors.AnsibleError(
'ssh connection ' +
'closed waiting for password prompt')
sudo_output += chunk
if success_key not in sudo_output:
if sudoable:
chan.sendall(self.runner.sudo_pass + '\n')
elif su:
chan.sendall(self.runner.su_pass + '\n')
else:
no_prompt_out += sudo_output
no_prompt_err += sudo_output
except socket.timeout:
raise errors.AnsibleError('ssh timed out waiting for sudo.\n' +
sudo_output)
stdout = ''.join(chan.makefile('rb', bufsize))
stderr = ''.join(chan.makefile_stderr('rb', bufsize))
return (chan.recv_exit_status(), '', no_prompt_out + stdout,
no_prompt_out + stderr)
else:
quoted_command = cmd
vvv("EXEC %s" % quoted_command, host=self.host)
chan.exec_command(quoted_command)
else:
# sudo usually requires a PTY (cf. requiretty option), therefore
# we give it one by default (pty=True in ansble.cfg), and we try
# to initialise from the calling environment
if C.PARAMIKO_PTY:
chan.get_pty(term=os.getenv('TERM', 'vt100'),
width=int(os.getenv('COLUMNS', 0)),
height=int(os.getenv('LINES', 0)))
if self.runner.sudo or sudoable:
shcmd, prompt, success_key = utils.make_sudo_cmd(sudo_user, executable, cmd)
elif self.runner.su or su:
shcmd, prompt, success_key = utils.make_su_cmd(su_user, executable, cmd)
prompt_re = re.compile(prompt)
vvv("EXEC %s" % shcmd, host=self.host)
sudo_output = ''
try:
chan.exec_command(shcmd)
if self.runner.sudo_pass or self.runner.su_pass:
while True:
if success_key in sudo_output or \
(self.runner.sudo_pass and sudo_output.endswith(prompt)) or \
(self.runner.su_pass and prompt_re.match(sudo_output)):
break
chunk = chan.recv(bufsize)
if not chunk:
if 'unknown user' in sudo_output:
raise errors.AnsibleError(
def exec_command(self, cmd, tmp_path, sudo_user=None, sudoable=False, executable='/bin/sh', in_data=None, su_user=None, su=False):
''' run a command on the remote host '''
ssh_cmd = self._password_cmd()
ssh_cmd += ["ssh", "-C"]
if not in_data:
# we can only use tty when we are not pipelining the modules. piping data into /usr/bin/python
# inside a tty automatically invokes the python interactive-mode but the modules are not
# compatible with the interactive-mode ("unexpected indent" mainly because of empty lines)
ssh_cmd += ["-tt"]
if utils.VERBOSITY > 3:
ssh_cmd += ["-vvv"]
else:
ssh_cmd += ["-q"]
ssh_cmd += self.common_args
if self.ipv6:
ssh_cmd += ['-6']
ssh_cmd += [self.host]
if su and su_user:
sudocmd, prompt, success_key = utils.make_su_cmd(su_user, executable, cmd)
ssh_cmd.append(sudocmd)
elif not self.runner.sudo or not sudoable:
prompt = None
if executable:
ssh_cmd.append(executable + ' -c ' + pipes.quote(cmd))
else:
ssh_cmd.append(cmd)
else:
sudocmd, prompt, success_key = utils.make_sudo_cmd(sudo_user, executable, cmd)
ssh_cmd.append(sudocmd)
vvv("EXEC %s" % ' '.join(ssh_cmd), host=self.host)
not_in_host_file = self.not_in_host_file(self.host)
if C.HOST_KEY_CHECKING and not_in_host_file:
# lock around the initial SSH connectivity so the user prompt about whether to add
# the host to known hosts is not intermingled with multiprocess output.
fcntl.lockf(self.runner.process_lockfile, fcntl.LOCK_EX)
fcntl.lockf(self.runner.output_lockfile, fcntl.LOCK_EX)
# create process
(p, stdin) = self._run(ssh_cmd, in_data)
self._send_password()
no_prompt_out = ''
no_prompt_err = ''
if (self.runner.sudo and sudoable and self.runner.sudo_pass) or \
(self.runner.su and su and self.runner.su_pass):
(no_prompt_out, no_prompt_err) = self.send_su_sudo_password(p, stdin, success_key, sudoable, prompt)
com = self.CommunicateCallbacks(self.runner, in_data, su=su, sudoable=sudoable, prompt=prompt)
returncode = self._communicate(p, stdin, callbacks=(com.stdin_cb, com.stdout_cb, com.stderr_cb))
if C.HOST_KEY_CHECKING and not_in_host_file:
# lock around the initial SSH connectivity so the user prompt about whether to add
# the host to known hosts is not intermingled with multiprocess output.
fcntl.lockf(self.runner.output_lockfile, fcntl.LOCK_UN)
fcntl.lockf(self.runner.process_lockfile, fcntl.LOCK_UN)
controlpersisterror = 'Bad configuration option: ControlPersist' in com.stderr or \
'unknown configuration option: ControlPersist' in com.stderr
if C.HOST_KEY_CHECKING:
if ssh_cmd[0] == "sshpass" and p.returncode == 6:
raise errors.AnsibleError('Using a SSH password instead of a key is not possible because Host Key checking is enabled and sshpass does not support this. Please add this host\'s fingerprint to your known_hosts file to manage this host.')
if p.returncode != 0 and controlpersisterror:
raise errors.AnsibleError('using -c ssh on certain older ssh versions may not support ControlPersist, set ANSIBLE_SSH_ARGS="" (or ssh_args in [ssh_connection] section of the config file) before running again')
if p.returncode == 255 and (in_data or self.runner.module_name == 'raw'):
raise errors.AnsibleError('SSH Error: data could not be sent to the remote host. Make sure this host can be reached over ssh')
return (p.returncode, '', no_prompt_out + com.stdout, no_prompt_err + com.stderr)
def exec_command(self,
cmd,
tmp_path,
sudo_user=None,
sudoable=False,
executable='/bin/sh',
in_data=None,
su_user=None,
su=False):
''' run a command on the remote host '''
ssh_cmd = self._password_cmd()
ssh_cmd += ["ssh", "-C"]
if not in_data:
# we can only use tty when we are not pipelining the modules. piping data into /usr/bin/python
# inside a tty automatically invokes the python interactive-mode but the modules are not
# compatible with the interactive-mode ("unexpected indent" mainly because of empty lines)
ssh_cmd += ["-tt"]
if utils.VERBOSITY > 3:
ssh_cmd += ["-vvv"]
else:
ssh_cmd += ["-q"]
ssh_cmd += self.common_args
if self.ipv6:
ssh_cmd += ['-6']
#ssh_cmd += [self.host]
ssh_cmd += [self.sliver_name]
if su and su_user:
sudocmd, prompt, success_key = utils.make_su_cmd(
su_user, executable, cmd)
prompt_re = re.compile(prompt)
ssh_cmd.append(sudocmd)
elif not self.runner.sudo or not sudoable:
prompt = None
if executable:
ssh_cmd.append(executable + ' -c ' + pipes.quote(cmd))
else:
ssh_cmd.append(cmd)
else:
sudocmd, prompt, success_key = utils.make_sudo_cmd(
sudo_user, executable, cmd)
ssh_cmd.append(sudocmd)
vvv("EXEC %s" % ssh_cmd, host=self.host)
not_in_host_file = self.not_in_host_file(self.host)
if C.HOST_KEY_CHECKING and not_in_host_file:
# lock around the initial SSH connectivity so the user prompt about whether to add
# the host to known hosts is not intermingled with multiprocess output.
fcntl.lockf(self.runner.process_lockfile, fcntl.LOCK_EX)
fcntl.lockf(self.runner.output_lockfile, fcntl.LOCK_EX)
# create process
(p, stdin) = self._run(ssh_cmd, in_data)
self._send_password()
if (self.runner.sudo and sudoable and self.runner.sudo_pass) or \
(self.runner.su and su and self.runner.su_pass):
# several cases are handled for sudo privileges with password
# * NOPASSWD (tty & no-tty): detect success_key on stdout
# * without NOPASSWD:
# * detect prompt on stdout (tty)
# * detect prompt on stderr (no-tty)
fcntl.fcntl(p.stdout, fcntl.F_SETFL,
fcntl.fcntl(p.stdout, fcntl.F_GETFL) | os.O_NONBLOCK)
fcntl.fcntl(p.stderr, fcntl.F_SETFL,
fcntl.fcntl(p.stderr, fcntl.F_GETFL) | os.O_NONBLOCK)
sudo_output = ''
sudo_errput = ''
while True:
if success_key in sudo_output or \
(self.runner.sudo_pass and sudo_output.endswith(prompt)) or \
(self.runner.su_pass and prompt_re.match(sudo_output)):
break
rfd, wfd, efd = select.select([p.stdout, p.stderr], [],
[p.stdout], self.runner.timeout)
if p.stderr in rfd:
chunk = p.stderr.read()
if not chunk:
raise errors.AnsibleError(
'ssh connection closed waiting for sudo or su password prompt'
)
sudo_errput += chunk
incorrect_password = gettext.dgettext(
"sudo", "Sorry, try again.")
if sudo_errput.strip().endswith(
"%s%s" % (prompt, incorrect_password)):
raise errors.AnsibleError('Incorrect sudo password')
elif sudo_errput.endswith(prompt):
stdin.write(self.runner.sudo_pass + '\n')
if p.stdout in rfd:
chunk = p.stdout.read()
if not chunk:
raise errors.AnsibleError(
'ssh connection closed waiting for sudo or su password prompt'
)
sudo_output += chunk
if not rfd:
# timeout. wrap up process communication
stdout = p.communicate()
raise errors.AnsibleError(
'ssh connection error waiting for sudo or su password prompt'
)
if success_key not in sudo_output:
if sudoable:
stdin.write(self.runner.sudo_pass + '\n')
elif su:
stdin.write(self.runner.su_pass + '\n')
(returncode, stdout, stderr) = self._communicate(p,
stdin,
in_data,
su=su,
sudoable=sudoable,
prompt=prompt)
if C.HOST_KEY_CHECKING and not_in_host_file:
# lock around the initial SSH connectivity so the user prompt about whether to add
# the host to known hosts is not intermingled with multiprocess output.
fcntl.lockf(self.runner.output_lockfile, fcntl.LOCK_UN)
fcntl.lockf(self.runner.process_lockfile, fcntl.LOCK_UN)
controlpersisterror = 'Bad configuration option: ControlPersist' in stderr or \
'unknown configuration option: ControlPersist' in stderr
if C.HOST_KEY_CHECKING:
if ssh_cmd[0] == "sshpass" and p.returncode == 6:
raise errors.AnsibleError(
'Using a SSH password instead of a key is not possible because Host Key checking is enabled and sshpass does not support this. Please add this host\'s fingerprint to your known_hosts file to manage this host.'
)
if p.returncode != 0 and controlpersisterror:
raise errors.AnsibleError(
'using -c ssh on certain older ssh versions may not support ControlPersist, set ANSIBLE_SSH_ARGS="" (or ssh_args in [ssh_connection] section of the config file) before running again'
)
if p.returncode == 255 and (in_data
or self.runner.module_name == 'raw'):
raise errors.AnsibleError(
'SSH Error: data could not be sent to the remote host. Make sure this host can be reached over ssh'
)
return (p.returncode, '', stdout, stderr)
def exec_command(self,
cmd,
tmp_path,
sudo_user=None,
sudoable=False,
executable='/bin/sh',
in_data=None,
su=False,
su_user=None):
''' run a command on the remote host '''
if in_data:
raise errors.AnsibleError(
"Internal Error: this module does not support optimized module pipelining"
)
ssh_cmd = self._password_cmd()
ssh_cmd += ["ssh", "-tt"]
if utils.VERBOSITY > 3:
ssh_cmd += ["-vvv"]
else:
ssh_cmd += ["-q"]
ssh_cmd += self.common_args
if self.ipv6:
ssh_cmd += ['-6']
ssh_cmd += [self.host]
if su and su_user:
sudocmd, prompt, success_key = utils.make_su_cmd(
su_user, executable, cmd)
ssh_cmd.append(sudocmd)
elif not self.runner.sudo or not sudoable:
if executable:
ssh_cmd.append(executable + ' -c ' + pipes.quote(cmd))
else:
ssh_cmd.append(cmd)
else:
sudocmd, prompt, success_key = utils.make_sudo_cmd(
sudo_user, executable, cmd)
ssh_cmd.append(sudocmd)
vvv("EXEC %s" % ssh_cmd, host=self.host)
not_in_host_file = self.not_in_host_file(self.host)
if C.HOST_KEY_CHECKING and not_in_host_file:
# lock around the initial SSH connectivity so the user prompt about whether to add
# the host to known hosts is not intermingled with multiprocess output.
fcntl.lockf(self.runner.process_lockfile, fcntl.LOCK_EX)
fcntl.lockf(self.runner.output_lockfile, fcntl.LOCK_EX)
try:
# Make sure stdin is a proper (pseudo) pty to avoid: tcgetattr errors
master, slave = pty.openpty()
p = subprocess.Popen(ssh_cmd,
stdin=slave,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdin = os.fdopen(master, 'w', 0)
os.close(slave)
except:
p = subprocess.Popen(ssh_cmd,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdin = p.stdin
self._send_password()
if (self.runner.sudo and sudoable and self.runner.sudo_pass) or \
(self.runner.su and su and self.runner.su_pass):
fcntl.fcntl(p.stdout, fcntl.F_SETFL,
fcntl.fcntl(p.stdout, fcntl.F_GETFL) | os.O_NONBLOCK)
sudo_output = ''
while not sudo_output.endswith(
prompt) and success_key not in sudo_output:
rfd, wfd, efd = select.select([p.stdout], [], [p.stdout],
self.runner.timeout)
if p.stdout in rfd:
chunk = p.stdout.read()
if not chunk:
raise errors.AnsibleError(
'ssh connection closed waiting for sudo or su password prompt'
)
sudo_output += chunk
else:
stdout = p.communicate()
raise errors.AnsibleError(
'ssh connection error waiting for sudo or su password prompt'
)
if success_key not in sudo_output:
if sudoable:
stdin.write(self.runner.sudo_pass + '\n')
elif su:
stdin.write(self.runner.su_pass + '\n')
fcntl.fcntl(p.stdout, fcntl.F_SETFL,
fcntl.fcntl(p.stdout, fcntl.F_GETFL) & ~os.O_NONBLOCK)
# We can't use p.communicate here because the ControlMaster may have stdout open as well
stdout = ''
stderr = ''
rpipes = [p.stdout, p.stderr]
while True:
rfd, wfd, efd = select.select(rpipes, [], rpipes, 1)
# fail early if the sudo/su password is wrong
if self.runner.sudo and sudoable and self.runner.sudo_pass:
incorrect_password = gettext.dgettext("sudo",
"Sorry, try again.")
if stdout.endswith("%s\r\n%s" % (incorrect_password, prompt)):
raise errors.AnsibleError('Incorrect sudo password')
if self.runner.su and su and self.runner.su_pass:
incorrect_password = gettext.dgettext(
"su", "su: Authentication failure")
if stdout.endswith("%s\r\n%s" % (incorrect_password, prompt)):
raise errors.AnsibleError('Incorrect su password')
if p.stdout in rfd:
dat = os.read(p.stdout.fileno(), 9000)
stdout += dat
if dat == '':
rpipes.remove(p.stdout)
if p.stderr in rfd:
dat = os.read(p.stderr.fileno(), 9000)
stderr += dat
if dat == '':
rpipes.remove(p.stderr)
# only break out if we've emptied the pipes, or there is nothing to
# read from and the process has finished.
if (not rpipes or not rfd) and p.poll() is not None:
break
# Calling wait while there are still pipes to read can cause a lock
elif not rpipes and p.poll() == None:
p.wait()
# the process has finished and the pipes are empty,
# if we loop and do the select it waits all the timeout
break
stdin.close(
) # close stdin after we read from stdout (see also issue #848)
if C.HOST_KEY_CHECKING and not_in_host_file:
# lock around the initial SSH connectivity so the user prompt about whether to add
# the host to known hosts is not intermingled with multiprocess output.
fcntl.lockf(self.runner.output_lockfile, fcntl.LOCK_UN)
fcntl.lockf(self.runner.process_lockfile, fcntl.LOCK_UN)
if C.HOST_KEY_CHECKING:
if ssh_cmd[0] == "sshpass" and p.returncode == 6:
raise errors.AnsibleError(
'Using a SSH password instead of a key is not possible because Host Key checking is enabled and sshpass does not support this. Please add this host\'s fingerprint to your known_hosts file to manage this host.'
)
controlpersisterror = stderr.find(
'Bad configuration option: ControlPersist') != -1 or stderr.find(
'unknown configuration option: ControlPersist') != -1
if p.returncode != 0 and controlpersisterror:
raise errors.AnsibleError(
'using -c ssh on certain older ssh versions may not support ControlPersist, set ANSIBLE_SSH_ARGS="" (or ansible_ssh_args in the config file) before running again'
)
return (p.returncode, '', stdout, stderr)
def exec_command(self, cmd, tmp_path, sudo_user=None, sudoable=False, executable='/bin/sh', in_data=None, su_user=None, su=False):
''' run a command on the remote host '''
ssh_cmd = self._password_cmd()
ssh_cmd += ["ssh", "-C"]
if not in_data:
# we can only use tty when we are not pipelining the modules. piping data into /usr/bin/python
# inside a tty automatically invokes the python interactive-mode but the modules are not
# compatible with the interactive-mode ("unexpected indent" mainly because of empty lines)
ssh_cmd += ["-tt"]
if utils.VERBOSITY > 3:
ssh_cmd += ["-vvv"]
else:
ssh_cmd += ["-q"]
ssh_cmd += self.common_args
if self.ipv6:
ssh_cmd += ['-6']
ssh_cmd += [self.host]
if su and su_user:
sudocmd, prompt, success_key = utils.make_su_cmd(su_user, executable, cmd)
ssh_cmd.append(sudocmd)
elif not self.runner.sudo or not sudoable:
if executable:
ssh_cmd.append(executable + ' -c ' + pipes.quote(cmd))
else:
ssh_cmd.append(cmd)
else:
sudocmd, prompt, success_key = utils.make_sudo_cmd(sudo_user, executable, cmd)
ssh_cmd.append(sudocmd)
vvv("EXEC %s" % ssh_cmd, host=self.host)
not_in_host_file = self.not_in_host_file(self.host)
if C.HOST_KEY_CHECKING and not_in_host_file:
# lock around the initial SSH connectivity so the user prompt about whether to add
# the host to known hosts is not intermingled with multiprocess output.
fcntl.lockf(self.runner.process_lockfile, fcntl.LOCK_EX)
fcntl.lockf(self.runner.output_lockfile, fcntl.LOCK_EX)
# create process
if in_data:
# do not use pseudo-pty
p = subprocess.Popen(ssh_cmd, stdin=subprocess.PIPE,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdin = p.stdin
else:
# try to use upseudo-pty
try:
# Make sure stdin is a proper (pseudo) pty to avoid: tcgetattr errors
master, slave = pty.openpty()
p = subprocess.Popen(ssh_cmd, stdin=slave,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdin = os.fdopen(master, 'w', 0)
os.close(slave)
except:
p = subprocess.Popen(ssh_cmd, stdin=subprocess.PIPE,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdin = p.stdin
self._send_password()
if (self.runner.sudo and sudoable and self.runner.sudo_pass) or \
(self.runner.su and su and self.runner.su_pass):
# several cases are handled for sudo privileges with password
# * NOPASSWD (tty & no-tty): detect success_key on stdout
# * without NOPASSWD:
# * detect prompt on stdout (tty)
# * detect prompt on stderr (no-tty)
fcntl.fcntl(p.stdout, fcntl.F_SETFL,
fcntl.fcntl(p.stdout, fcntl.F_GETFL) | os.O_NONBLOCK)
fcntl.fcntl(p.stderr, fcntl.F_SETFL,
fcntl.fcntl(p.stderr, fcntl.F_GETFL) | os.O_NONBLOCK)
sudo_output = ''
sudo_errput = ''
while not sudo_output.endswith(prompt) and success_key not in sudo_output:
rfd, wfd, efd = select.select([p.stdout, p.stderr], [],
[p.stdout], self.runner.timeout)
if p.stderr in rfd:
chunk = p.stderr.read()
if not chunk:
raise errors.AnsibleError('ssh connection closed waiting for sudo or su password prompt')
sudo_errput += chunk
incorrect_password = gettext.dgettext(
"sudo", "Sorry, try again.")
if sudo_errput.strip().endswith("%s%s" % (prompt, incorrect_password)):
raise errors.AnsibleError('Incorrect sudo password')
elif sudo_errput.endswith(prompt):
stdin.write(self.runner.sudo_pass + '\n')
if p.stdout in rfd:
chunk = p.stdout.read()
if not chunk:
raise errors.AnsibleError('ssh connection closed waiting for sudo or su password prompt')
sudo_output += chunk
if not rfd:
# timeout. wrap up process communication
stdout = p.communicate()
raise errors.AnsibleError('ssh connection error waiting for sudo or su password prompt')
if success_key not in sudo_output:
if sudoable:
stdin.write(self.runner.sudo_pass + '\n')
elif su:
stdin.write(self.runner.su_pass + '\n')
fcntl.fcntl(p.stdout, fcntl.F_SETFL, fcntl.fcntl(p.stdout, fcntl.F_GETFL) & ~os.O_NONBLOCK)
fcntl.fcntl(p.stderr, fcntl.F_SETFL, fcntl.fcntl(p.stderr, fcntl.F_GETFL) & ~os.O_NONBLOCK)
# We can't use p.communicate here because the ControlMaster may have stdout open as well
stdout = ''
stderr = ''
rpipes = [p.stdout, p.stderr]
if in_data:
try:
stdin.write(in_data)
stdin.close()
except:
raise errors.AnsibleError('SSH Error: data could not be sent to the remote host. Make sure this host can be reached over ssh')
while True:
rfd, wfd, efd = select.select(rpipes, [], rpipes, 1)
# fail early if the sudo/su password is wrong
if self.runner.sudo and sudoable and self.runner.sudo_pass:
incorrect_password = gettext.dgettext(
"sudo", "Sorry, try again.")
if stdout.endswith("%s\r\n%s" % (incorrect_password, prompt)):
raise errors.AnsibleError('Incorrect sudo password')
if self.runner.su and su and self.runner.sudo_pass:
incorrect_password = gettext.dgettext(
"su", "Sorry")
if stdout.endswith("%s\r\n%s" % (incorrect_password, prompt)):
raise errors.AnsibleError('Incorrect su password')
if p.stdout in rfd:
dat = os.read(p.stdout.fileno(), 9000)
stdout += dat
if dat == '':
rpipes.remove(p.stdout)
if p.stderr in rfd:
dat = os.read(p.stderr.fileno(), 9000)
stderr += dat
if dat == '':
rpipes.remove(p.stderr)
# only break out if we've emptied the pipes, or there is nothing to
# read from and the process has finished.
if (not rpipes or not rfd) and p.poll() is not None:
break
# Calling wait while there are still pipes to read can cause a lock
elif not rpipes and p.poll() == None:
p.wait()
# the process has finished and the pipes are empty,
# if we loop and do the select it waits all the timeout
break
stdin.close() # close stdin after we read from stdout (see also issue #848)
if C.HOST_KEY_CHECKING and not_in_host_file:
# lock around the initial SSH connectivity so the user prompt about whether to add
# the host to known hosts is not intermingled with multiprocess output.
fcntl.lockf(self.runner.output_lockfile, fcntl.LOCK_UN)
fcntl.lockf(self.runner.process_lockfile, fcntl.LOCK_UN)
controlpersisterror = 'Bad configuration option: ControlPersist' in stderr or \
'unknown configuration option: ControlPersist' in stderr
if C.HOST_KEY_CHECKING:
if ssh_cmd[0] == "sshpass" and p.returncode == 6:
raise errors.AnsibleError('Using a SSH password instead of a key is not possible because Host Key checking is enabled and sshpass does not support this. Please add this host\'s fingerprint to your known_hosts file to manage this host.')
if p.returncode != 0 and controlpersisterror:
raise errors.AnsibleError('using -c ssh on certain older ssh versions may not support ControlPersist, set ANSIBLE_SSH_ARGS="" (or ansible_ssh_args in the config file) before running again')
if p.returncode == 255 and in_data:
raise errors.AnsibleError('SSH Error: data could not be sent to the remote host. Make sure this host can be reached over ssh')
return (p.returncode, '', stdout, stderr)
