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Merge pull request #1634 from dhozac/ssh-password

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Add password support to -c ssh via sshpass
This commit is contained in:
Michael DeHaan 2012-11-17 07:37:51 -08:00
commit 3bc0adacbf
2 changed files with 70 additions and 43 deletions
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2
lib/ansible/runner/__init__.py
View file

@ -148,8 +148,6 @@ class Runner(object):
# don't override subset when passed from playbook
self.inventory.subset(subset)
if self.transport == 'ssh' and remote_pass:
raise errors.AnsibleError("SSH transport does not support passwords, only keys or agents")
if self.transport == 'local':
self.remote_user = pwd.getpwuid(os.geteuid())[0]

111
lib/ansible/runner/connection_plugins/ssh.py
View file

@ -57,10 +57,30 @@ class Connection(object):
return self
def _password_cmd(self):
if self.runner.remote_pass:
try:
p = subprocess.Popen(["sshpass"], stdin=subprocess.PIPE,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
p.communicate()
except OSError:
raise errors.AnsibleError("to use -c ssh with passwords, you must install the sshpass program")
(self.rfd, self.wfd) = os.pipe()
return ["sshpass", "-d%d" % self.rfd]
return []
def _send_password(self):
if self.runner.remote_pass:
os.close(self.rfd)
os.write(self.wfd, "%s\n" % self.runner.remote_pass)
os.close(self.wfd)
def exec_command(self, cmd, tmp_path, sudo_user,sudoable=False):
''' run a command on the remote host '''
ssh_cmd = ["ssh", "-tt", "-q"] + self.common_args + [self.host]
ssh_cmd = self._password_cmd()
ssh_cmd += ["ssh", "-tt", "-q"] + self.common_args + [self.host]
if self.runner.sudo and sudoable:
# Rather than detect if sudo wants a password this time, -k makes
# sudo always ask for a password if one is required.
@ -75,30 +95,31 @@ class Connection(object):
prompt, sudo_user, pipes.quote(cmd))
sudo_output = ''
ssh_cmd.append(sudocmd)
vvv("EXEC %s" % ssh_cmd, host=self.host)
p = subprocess.Popen(ssh_cmd, stdin=subprocess.PIPE,
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
if self.runner.sudo_pass:
fcntl.fcntl(p.stdout, fcntl.F_SETFL,
fcntl.fcntl(p.stdout, fcntl.F_GETFL) | os.O_NONBLOCK)
while not sudo_output.endswith(prompt):
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 password prompt')
sudo_output += chunk
else:
stdout = p.communicate()
raise errors.AnsibleError('ssh connection error waiting for sudo password prompt')
p.stdin.write(self.runner.sudo_pass + '\n')
fcntl.fcntl(p.stdout, fcntl.F_SETFL, fcntl.fcntl(p.stdout, fcntl.F_GETFL) & ~os.O_NONBLOCK)
else:
ssh_cmd.append(cmd)
vvv("EXEC %s" % ssh_cmd, host=self.host)
p = subprocess.Popen(ssh_cmd, stdin=subprocess.PIPE,
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
vvv("EXEC %s" % ssh_cmd, host=self.host)
p = subprocess.Popen(ssh_cmd, stdin=subprocess.PIPE,
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
self._send_password()
if self.runner.sudo and sudoable and self.runner.sudo_pass:
fcntl.fcntl(p.stdout, fcntl.F_SETFL,
fcntl.fcntl(p.stdout, fcntl.F_GETFL) | os.O_NONBLOCK)
while not sudo_output.endswith(prompt):
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 password prompt')
sudo_output += chunk
else:
stdout = p.communicate()
raise errors.AnsibleError('ssh connection error waiting for sudo password prompt')
p.stdin.write(self.runner.sudo_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 = ''
@ -124,34 +145,42 @@ class Connection(object):
vvv("PUT %s TO %s" % (in_path, out_path), host=self.host)
if not os.path.exists(in_path):
raise errors.AnsibleFileNotFound("file or module does not exist: %s" % in_path)
cmd = self._password_cmd()
if C.DEFAULT_SCP_IF_SSH:
ft_cmd = ["scp"] + self.common_args
ft_cmd += [in_path,self.host + ":" + out_path]
p = subprocess.Popen(ft_cmd, stdin=subprocess.PIPE,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = p.communicate()
cmd += ["scp"] + self.common_args
cmd += [in_path,self.host + ":" + out_path]
indata = None
else:
sftp_cmd = ["sftp"] + self.common_args + [self.host]
p = subprocess.Popen(sftp_cmd, stdin=subprocess.PIPE,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = p.communicate("put %s %s\n" % (in_path, out_path))
cmd += ["sftp"] + self.common_args + [self.host]
indata = "put %s %s\n" % (in_path, out_path)
p = subprocess.Popen(cmd, stdin=subprocess.PIPE,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
self._send_password()
stdout, stderr = p.communicate(indata)
if p.returncode != 0:
raise errors.AnsibleError("failed to transfer file to %s:\n%s\n%s" % (out_path, stdout, stderr))
def fetch_file(self, in_path, out_path):
''' fetch a file from remote to local '''
vvv("FETCH %s TO %s" % (in_path, out_path), host=self.host)
cmd = self._password_cmd()
if C.DEFAULT_SCP_IF_SSH:
ft_cmd = ["scp"] + self.common_args
ft_cmd += [self.host + ":" + in_path, out_path]
p = subprocess.Popen(ft_cmd, stdin=subprocess.PIPE,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = p.communicate()
cmd += ["scp"] + self.common_args
cmd += [self.host + ":" + in_path, out_path]
indata = None
else:
sftp_cmd = ["sftp"] + self.common_args + [self.host]
p = subprocess.Popen(sftp_cmd, stdin=subprocess.PIPE,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = p.communicate("get %s %s\n" % (in_path, out_path))
cmd += ["sftp"] + self.common_args + [self.host]
indata = "get %s %s\n" % (in_path, out_path)
p = subprocess.Popen(cmd, stdin=subprocess.PIPE,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
self._send_password()
stdout, stderr = p.communicate(indata)
if p.returncode != 0:
raise errors.AnsibleError("failed to transfer file from %s:\n%s\n%s" % (in_path, stdout, stderr))