move CLI entrypoints under ansible package (#60004)

* needed so ansible-test can always find the right ones to copy to a target
* renamed the underlying scripts to be properly accessible as Python modules
This commit is contained in:
Matt Davis 2019-08-02 11:27:02 -07:00 committed by GitHub
parent 97d36881e2
commit 8d1f658ce4
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
6 changed files with 492 additions and 488 deletions

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
# PYTHON_ARGCOMPLETE_OK
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
__requires__ = ['ansible']
import os
import shutil
import sys
import traceback
from ansible import context
from ansible.errors import AnsibleError, AnsibleOptionsError, AnsibleParserError
from ansible.module_utils._text import to_text
# Used for determining if the system is running a new enough python version
# and should only restrict on our documented minimum versions
_PY3_MIN = sys.version_info[:2] >= (3, 5)
_PY2_MIN = (2, 6) <= sys.version_info[:2] < (3,)
_PY_MIN = _PY3_MIN or _PY2_MIN
if not _PY_MIN:
raise SystemExit('ERROR: Ansible requires a minimum of Python2 version 2.6 or Python3 version 3.5. Current version: %s' % ''.join(sys.version.splitlines()))
class LastResort(object):
# OUTPUT OF LAST RESORT
def display(self, msg, log_only=None):
print(msg, file=sys.stderr)
def error(self, msg, wrap_text=None):
print(msg, file=sys.stderr)
if __name__ == '__main__':
display = LastResort()
try: # bad ANSIBLE_CONFIG or config options can force ugly stacktrace
import ansible.constants as C
from ansible.utils.display import Display
except AnsibleOptionsError as e:
display.error(to_text(e), wrap_text=False)
sys.exit(5)
cli = None
me = os.path.basename(sys.argv[0])
try:
display = Display()
display.debug("starting run")
sub = None
target = me.split('-')
if target[-1][0].isdigit():
# Remove any version or python version info as downstreams
# sometimes add that
target = target[:-1]
if len(target) > 1:
sub = target[1]
myclass = "%sCLI" % sub.capitalize()
elif target[0] == 'ansible':
sub = 'adhoc'
myclass = 'AdHocCLI'
else:
raise AnsibleError("Unknown Ansible alias: %s" % me)
try:
mycli = getattr(__import__("ansible.cli.%s" % sub, fromlist=[myclass]), myclass)
except ImportError as e:
# ImportError members have changed in py3
if 'msg' in dir(e):
msg = e.msg
else:
msg = e.message
if msg.endswith(' %s' % sub):
raise AnsibleError("Ansible sub-program not implemented: %s" % me)
else:
raise
try:
args = [to_text(a, errors='surrogate_or_strict') for a in sys.argv]
except UnicodeError:
display.error('Command line args are not in utf-8, unable to continue. Ansible currently only understands utf-8')
display.display(u"The full traceback was:\n\n%s" % to_text(traceback.format_exc()))
exit_code = 6
else:
cli = mycli(args)
exit_code = cli.run()
except AnsibleOptionsError as e:
cli.parser.print_help()
display.error(to_text(e), wrap_text=False)
exit_code = 5
except AnsibleParserError as e:
display.error(to_text(e), wrap_text=False)
exit_code = 4
# TQM takes care of these, but leaving comment to reserve the exit codes
# except AnsibleHostUnreachable as e:
# display.error(str(e))
# exit_code = 3
# except AnsibleHostFailed as e:
# display.error(str(e))
# exit_code = 2
except AnsibleError as e:
display.error(to_text(e), wrap_text=False)
exit_code = 1
except KeyboardInterrupt:
display.error("User interrupted execution")
exit_code = 99
except Exception as e:
if C.DEFAULT_DEBUG:
# Show raw stacktraces in debug mode, It also allow pdb to
# enter post mortem mode.
raise
have_cli_options = bool(context.CLIARGS)
display.error("Unexpected Exception, this is probably a bug: %s" % to_text(e), wrap_text=False)
if not have_cli_options or have_cli_options and context.CLIARGS['verbosity'] > 2:
log_only = False
if hasattr(e, 'orig_exc'):
display.vvv('\nexception type: %s' % to_text(type(e.orig_exc)))
why = to_text(e.orig_exc)
if to_text(e) != why:
display.vvv('\noriginal msg: %s' % why)
else:
display.display("to see the full traceback, use -vvv")
log_only = True
display.display(u"the full traceback was:\n\n%s" % to_text(traceback.format_exc()), log_only=log_only)
exit_code = 250
sys.exit(exit_code)

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bin/ansible Symbolic link
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../lib/ansible/cli/scripts/ansible_cli_stub.py

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#!/usr/bin/env python
# Copyright: (c) 2017, Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
__requires__ = ['ansible']
import fcntl
import hashlib
import os
import signal
import socket
import sys
import time
import traceback
import errno
import json
from contextlib import contextmanager
from ansible import constants as C
from ansible.module_utils._text import to_bytes, to_text
from ansible.module_utils.six import PY3
from ansible.module_utils.six.moves import cPickle, StringIO
from ansible.module_utils.connection import Connection, ConnectionError, send_data, recv_data
from ansible.module_utils.service import fork_process
from ansible.parsing.ajson import AnsibleJSONEncoder, AnsibleJSONDecoder
from ansible.playbook.play_context import PlayContext
from ansible.plugins.loader import connection_loader
from ansible.utils.path import unfrackpath, makedirs_safe
from ansible.utils.display import Display
from ansible.utils.jsonrpc import JsonRpcServer
def read_stream(byte_stream):
size = int(byte_stream.readline().strip())
data = byte_stream.read(size)
if len(data) < size:
raise Exception("EOF found before data was complete")
data_hash = to_text(byte_stream.readline().strip())
if data_hash != hashlib.sha1(data).hexdigest():
raise Exception("Read {0} bytes, but data did not match checksum".format(size))
# restore escaped loose \r characters
data = data.replace(br'\r', b'\r')
return data
@contextmanager
def file_lock(lock_path):
"""
Uses contextmanager to create and release a file lock based on the
given path. This allows us to create locks using `with file_lock()`
to prevent deadlocks related to failure to unlock properly.
"""
lock_fd = os.open(lock_path, os.O_RDWR | os.O_CREAT, 0o600)
fcntl.lockf(lock_fd, fcntl.LOCK_EX)
yield
fcntl.lockf(lock_fd, fcntl.LOCK_UN)
os.close(lock_fd)
class ConnectionProcess(object):
'''
The connection process wraps around a Connection object that manages
the connection to a remote device that persists over the playbook
'''
def __init__(self, fd, play_context, socket_path, original_path, ansible_playbook_pid=None):
self.play_context = play_context
self.socket_path = socket_path
self.original_path = original_path
self.fd = fd
self.exception = None
self.srv = JsonRpcServer()
self.sock = None
self.connection = None
self._ansible_playbook_pid = ansible_playbook_pid
def start(self, variables):
try:
messages = list()
result = {}
messages.append(('vvvv', 'control socket path is %s' % self.socket_path))
# If this is a relative path (~ gets expanded later) then plug the
# key's path on to the directory we originally came from, so we can
# find it now that our cwd is /
if self.play_context.private_key_file and self.play_context.private_key_file[0] not in '~/':
self.play_context.private_key_file = os.path.join(self.original_path, self.play_context.private_key_file)
self.connection = connection_loader.get(self.play_context.connection, self.play_context, '/dev/null',
ansible_playbook_pid=self._ansible_playbook_pid)
self.connection.set_options(var_options=variables)
self.connection._connect()
self.connection._socket_path = self.socket_path
self.srv.register(self.connection)
messages.extend([('vvvv', msg) for msg in sys.stdout.getvalue().splitlines()])
messages.append(('vvvv', 'connection to remote device started successfully'))
self.sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
self.sock.bind(self.socket_path)
self.sock.listen(1)
messages.append(('vvvv', 'local domain socket listeners started successfully'))
except Exception as exc:
messages.extend(self.connection.pop_messages())
result['error'] = to_text(exc)
result['exception'] = traceback.format_exc()
finally:
result['messages'] = messages
self.fd.write(json.dumps(result, cls=AnsibleJSONEncoder))
self.fd.close()
def run(self):
try:
while self.connection.connected:
signal.signal(signal.SIGALRM, self.connect_timeout)
signal.signal(signal.SIGTERM, self.handler)
signal.alarm(self.connection.get_option('persistent_connect_timeout'))
self.exception = None
(s, addr) = self.sock.accept()
signal.alarm(0)
signal.signal(signal.SIGALRM, self.command_timeout)
while True:
data = recv_data(s)
if not data:
break
log_messages = self.connection.get_option('persistent_log_messages')
if log_messages:
display.display("jsonrpc request: %s" % data, log_only=True)
signal.alarm(self.connection.get_option('persistent_command_timeout'))
resp = self.srv.handle_request(data)
signal.alarm(0)
if log_messages:
display.display("jsonrpc response: %s" % resp, log_only=True)
send_data(s, to_bytes(resp))
s.close()
except Exception as e:
# socket.accept() will raise EINTR if the socket.close() is called
if hasattr(e, 'errno'):
if e.errno != errno.EINTR:
self.exception = traceback.format_exc()
else:
self.exception = traceback.format_exc()
finally:
# allow time for any exception msg send over socket to receive at other end before shutting down
time.sleep(0.1)
# when done, close the connection properly and cleanup the socket file so it can be recreated
self.shutdown()
def connect_timeout(self, signum, frame):
msg = 'persistent connection idle timeout triggered, timeout value is %s secs.\nSee the timeout setting options in the Network Debug and ' \
'Troubleshooting Guide.' % self.connection.get_option('persistent_connect_timeout')
display.display(msg, log_only=True)
raise Exception(msg)
def command_timeout(self, signum, frame):
msg = 'command timeout triggered, timeout value is %s secs.\nSee the timeout setting options in the Network Debug and Troubleshooting Guide.'\
% self.connection.get_option('persistent_command_timeout')
display.display(msg, log_only=True)
raise Exception(msg)
def handler(self, signum, frame):
msg = 'signal handler called with signal %s.' % signum
display.display(msg, log_only=True)
raise Exception(msg)
def shutdown(self):
""" Shuts down the local domain socket
"""
lock_path = unfrackpath("%s/.ansible_pc_lock_%s" % os.path.split(self.socket_path))
if os.path.exists(self.socket_path):
try:
if self.sock:
self.sock.close()
if self.connection:
self.connection.close()
except Exception:
pass
finally:
if os.path.exists(self.socket_path):
os.remove(self.socket_path)
setattr(self.connection, '_socket_path', None)
setattr(self.connection, '_connected', False)
if os.path.exists(lock_path):
os.remove(lock_path)
display.display('shutdown complete', log_only=True)
def main():
""" Called to initiate the connect to the remote device
"""
rc = 0
result = {}
messages = list()
socket_path = None
# Need stdin as a byte stream
if PY3:
stdin = sys.stdin.buffer
else:
stdin = sys.stdin
# Note: update the below log capture code after Display.display() is refactored.
saved_stdout = sys.stdout
sys.stdout = StringIO()
try:
# read the play context data via stdin, which means depickling it
vars_data = read_stream(stdin)
init_data = read_stream(stdin)
if PY3:
pc_data = cPickle.loads(init_data, encoding='bytes')
variables = cPickle.loads(vars_data, encoding='bytes')
else:
pc_data = cPickle.loads(init_data)
variables = cPickle.loads(vars_data)
play_context = PlayContext()
play_context.deserialize(pc_data)
display.verbosity = play_context.verbosity
except Exception as e:
rc = 1
result.update({
'error': to_text(e),
'exception': traceback.format_exc()
})
if rc == 0:
ssh = connection_loader.get('ssh', class_only=True)
ansible_playbook_pid = sys.argv[1]
cp = ssh._create_control_path(play_context.remote_addr, play_context.port, play_context.remote_user, play_context.connection, ansible_playbook_pid)
# create the persistent connection dir if need be and create the paths
# which we will be using later
tmp_path = unfrackpath(C.PERSISTENT_CONTROL_PATH_DIR)
makedirs_safe(tmp_path)
socket_path = unfrackpath(cp % dict(directory=tmp_path))
lock_path = unfrackpath("%s/.ansible_pc_lock_%s" % os.path.split(socket_path))
with file_lock(lock_path):
if not os.path.exists(socket_path):
messages.append(('vvvv', 'local domain socket does not exist, starting it'))
original_path = os.getcwd()
r, w = os.pipe()
pid = fork_process()
if pid == 0:
try:
os.close(r)
wfd = os.fdopen(w, 'w')
process = ConnectionProcess(wfd, play_context, socket_path, original_path, ansible_playbook_pid)
process.start(variables)
except Exception:
messages.append(('error', traceback.format_exc()))
rc = 1
if rc == 0:
process.run()
else:
process.shutdown()
sys.exit(rc)
else:
os.close(w)
rfd = os.fdopen(r, 'r')
data = json.loads(rfd.read(), cls=AnsibleJSONDecoder)
messages.extend(data.pop('messages'))
result.update(data)
else:
messages.append(('vvvv', 'found existing local domain socket, using it!'))
conn = Connection(socket_path)
conn.set_options(var_options=variables)
pc_data = to_text(init_data)
try:
conn.update_play_context(pc_data)
except Exception as exc:
# Only network_cli has update_play context, so missing this is
# not fatal e.g. netconf
if isinstance(exc, ConnectionError) and getattr(exc, 'code', None) == -32601:
pass
else:
result.update({
'error': to_text(exc),
'exception': traceback.format_exc()
})
if os.path.exists(socket_path):
messages.extend(Connection(socket_path).pop_messages())
messages.append(('vvvv', sys.stdout.getvalue()))
result.update({
'messages': messages,
'socket_path': socket_path
})
sys.stdout = saved_stdout
if 'exception' in result:
rc = 1
sys.stderr.write(json.dumps(result, cls=AnsibleJSONEncoder))
else:
rc = 0
sys.stdout.write(json.dumps(result, cls=AnsibleJSONEncoder))
sys.exit(rc)
if __name__ == '__main__':
display = Display()
main()

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bin/ansible-connection Symbolic link
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../lib/ansible/cli/scripts/ansible_connection_cli_stub.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
# PYTHON_ARGCOMPLETE_OK
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
__requires__ = ['ansible']
import os
import shutil
import sys
import traceback
from ansible import context
from ansible.errors import AnsibleError, AnsibleOptionsError, AnsibleParserError
from ansible.module_utils._text import to_text
# Used for determining if the system is running a new enough python version
# and should only restrict on our documented minimum versions
_PY3_MIN = sys.version_info[:2] >= (3, 5)
_PY2_MIN = (2, 6) <= sys.version_info[:2] < (3,)
_PY_MIN = _PY3_MIN or _PY2_MIN
if not _PY_MIN:
raise SystemExit('ERROR: Ansible requires a minimum of Python2 version 2.6 or Python3 version 3.5. Current version: %s' % ''.join(sys.version.splitlines()))
class LastResort(object):
# OUTPUT OF LAST RESORT
def display(self, msg, log_only=None):
print(msg, file=sys.stderr)
def error(self, msg, wrap_text=None):
print(msg, file=sys.stderr)
if __name__ == '__main__':
display = LastResort()
try: # bad ANSIBLE_CONFIG or config options can force ugly stacktrace
import ansible.constants as C
from ansible.utils.display import Display
except AnsibleOptionsError as e:
display.error(to_text(e), wrap_text=False)
sys.exit(5)
cli = None
me = os.path.basename(sys.argv[0])
try:
display = Display()
display.debug("starting run")
sub = None
target = me.split('-')
if target[-1][0].isdigit():
# Remove any version or python version info as downstreams
# sometimes add that
target = target[:-1]
if len(target) > 1:
sub = target[1]
myclass = "%sCLI" % sub.capitalize()
elif target[0] == 'ansible':
sub = 'adhoc'
myclass = 'AdHocCLI'
else:
raise AnsibleError("Unknown Ansible alias: %s" % me)
try:
mycli = getattr(__import__("ansible.cli.%s" % sub, fromlist=[myclass]), myclass)
except ImportError as e:
# ImportError members have changed in py3
if 'msg' in dir(e):
msg = e.msg
else:
msg = e.message
if msg.endswith(' %s' % sub):
raise AnsibleError("Ansible sub-program not implemented: %s" % me)
else:
raise
try:
args = [to_text(a, errors='surrogate_or_strict') for a in sys.argv]
except UnicodeError:
display.error('Command line args are not in utf-8, unable to continue. Ansible currently only understands utf-8')
display.display(u"The full traceback was:\n\n%s" % to_text(traceback.format_exc()))
exit_code = 6
else:
cli = mycli(args)
exit_code = cli.run()
except AnsibleOptionsError as e:
cli.parser.print_help()
display.error(to_text(e), wrap_text=False)
exit_code = 5
except AnsibleParserError as e:
display.error(to_text(e), wrap_text=False)
exit_code = 4
# TQM takes care of these, but leaving comment to reserve the exit codes
# except AnsibleHostUnreachable as e:
# display.error(str(e))
# exit_code = 3
# except AnsibleHostFailed as e:
# display.error(str(e))
# exit_code = 2
except AnsibleError as e:
display.error(to_text(e), wrap_text=False)
exit_code = 1
except KeyboardInterrupt:
display.error("User interrupted execution")
exit_code = 99
except Exception as e:
if C.DEFAULT_DEBUG:
# Show raw stacktraces in debug mode, It also allow pdb to
# enter post mortem mode.
raise
have_cli_options = bool(context.CLIARGS)
display.error("Unexpected Exception, this is probably a bug: %s" % to_text(e), wrap_text=False)
if not have_cli_options or have_cli_options and context.CLIARGS['verbosity'] > 2:
log_only = False
if hasattr(e, 'orig_exc'):
display.vvv('\nexception type: %s' % to_text(type(e.orig_exc)))
why = to_text(e.orig_exc)
if to_text(e) != why:
display.vvv('\noriginal msg: %s' % why)
else:
display.display("to see the full traceback, use -vvv")
log_only = True
display.display(u"the full traceback was:\n\n%s" % to_text(traceback.format_exc()), log_only=log_only)
exit_code = 250
sys.exit(exit_code)

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#!/usr/bin/env python
# Copyright: (c) 2017, Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
__requires__ = ['ansible']
import fcntl
import hashlib
import os
import signal
import socket
import sys
import time
import traceback
import errno
import json
from contextlib import contextmanager
from ansible import constants as C
from ansible.module_utils._text import to_bytes, to_text
from ansible.module_utils.six import PY3
from ansible.module_utils.six.moves import cPickle, StringIO
from ansible.module_utils.connection import Connection, ConnectionError, send_data, recv_data
from ansible.module_utils.service import fork_process
from ansible.parsing.ajson import AnsibleJSONEncoder, AnsibleJSONDecoder
from ansible.playbook.play_context import PlayContext
from ansible.plugins.loader import connection_loader
from ansible.utils.path import unfrackpath, makedirs_safe
from ansible.utils.display import Display
from ansible.utils.jsonrpc import JsonRpcServer
def read_stream(byte_stream):
size = int(byte_stream.readline().strip())
data = byte_stream.read(size)
if len(data) < size:
raise Exception("EOF found before data was complete")
data_hash = to_text(byte_stream.readline().strip())
if data_hash != hashlib.sha1(data).hexdigest():
raise Exception("Read {0} bytes, but data did not match checksum".format(size))
# restore escaped loose \r characters
data = data.replace(br'\r', b'\r')
return data
@contextmanager
def file_lock(lock_path):
"""
Uses contextmanager to create and release a file lock based on the
given path. This allows us to create locks using `with file_lock()`
to prevent deadlocks related to failure to unlock properly.
"""
lock_fd = os.open(lock_path, os.O_RDWR | os.O_CREAT, 0o600)
fcntl.lockf(lock_fd, fcntl.LOCK_EX)
yield
fcntl.lockf(lock_fd, fcntl.LOCK_UN)
os.close(lock_fd)
class ConnectionProcess(object):
'''
The connection process wraps around a Connection object that manages
the connection to a remote device that persists over the playbook
'''
def __init__(self, fd, play_context, socket_path, original_path, ansible_playbook_pid=None):
self.play_context = play_context
self.socket_path = socket_path
self.original_path = original_path
self.fd = fd
self.exception = None
self.srv = JsonRpcServer()
self.sock = None
self.connection = None
self._ansible_playbook_pid = ansible_playbook_pid
def start(self, variables):
try:
messages = list()
result = {}
messages.append(('vvvv', 'control socket path is %s' % self.socket_path))
# If this is a relative path (~ gets expanded later) then plug the
# key's path on to the directory we originally came from, so we can
# find it now that our cwd is /
if self.play_context.private_key_file and self.play_context.private_key_file[0] not in '~/':
self.play_context.private_key_file = os.path.join(self.original_path, self.play_context.private_key_file)
self.connection = connection_loader.get(self.play_context.connection, self.play_context, '/dev/null',
ansible_playbook_pid=self._ansible_playbook_pid)
self.connection.set_options(var_options=variables)
self.connection._connect()
self.connection._socket_path = self.socket_path
self.srv.register(self.connection)
messages.extend([('vvvv', msg) for msg in sys.stdout.getvalue().splitlines()])
messages.append(('vvvv', 'connection to remote device started successfully'))
self.sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
self.sock.bind(self.socket_path)
self.sock.listen(1)
messages.append(('vvvv', 'local domain socket listeners started successfully'))
except Exception as exc:
messages.extend(self.connection.pop_messages())
result['error'] = to_text(exc)
result['exception'] = traceback.format_exc()
finally:
result['messages'] = messages
self.fd.write(json.dumps(result, cls=AnsibleJSONEncoder))
self.fd.close()
def run(self):
try:
while self.connection.connected:
signal.signal(signal.SIGALRM, self.connect_timeout)
signal.signal(signal.SIGTERM, self.handler)
signal.alarm(self.connection.get_option('persistent_connect_timeout'))
self.exception = None
(s, addr) = self.sock.accept()
signal.alarm(0)
signal.signal(signal.SIGALRM, self.command_timeout)
while True:
data = recv_data(s)
if not data:
break
log_messages = self.connection.get_option('persistent_log_messages')
if log_messages:
display.display("jsonrpc request: %s" % data, log_only=True)
signal.alarm(self.connection.get_option('persistent_command_timeout'))
resp = self.srv.handle_request(data)
signal.alarm(0)
if log_messages:
display.display("jsonrpc response: %s" % resp, log_only=True)
send_data(s, to_bytes(resp))
s.close()
except Exception as e:
# socket.accept() will raise EINTR if the socket.close() is called
if hasattr(e, 'errno'):
if e.errno != errno.EINTR:
self.exception = traceback.format_exc()
else:
self.exception = traceback.format_exc()
finally:
# allow time for any exception msg send over socket to receive at other end before shutting down
time.sleep(0.1)
# when done, close the connection properly and cleanup the socket file so it can be recreated
self.shutdown()
def connect_timeout(self, signum, frame):
msg = 'persistent connection idle timeout triggered, timeout value is %s secs.\nSee the timeout setting options in the Network Debug and ' \
'Troubleshooting Guide.' % self.connection.get_option('persistent_connect_timeout')
display.display(msg, log_only=True)
raise Exception(msg)
def command_timeout(self, signum, frame):
msg = 'command timeout triggered, timeout value is %s secs.\nSee the timeout setting options in the Network Debug and Troubleshooting Guide.'\
% self.connection.get_option('persistent_command_timeout')
display.display(msg, log_only=True)
raise Exception(msg)
def handler(self, signum, frame):
msg = 'signal handler called with signal %s.' % signum
display.display(msg, log_only=True)
raise Exception(msg)
def shutdown(self):
""" Shuts down the local domain socket
"""
lock_path = unfrackpath("%s/.ansible_pc_lock_%s" % os.path.split(self.socket_path))
if os.path.exists(self.socket_path):
try:
if self.sock:
self.sock.close()
if self.connection:
self.connection.close()
except Exception:
pass
finally:
if os.path.exists(self.socket_path):
os.remove(self.socket_path)
setattr(self.connection, '_socket_path', None)
setattr(self.connection, '_connected', False)
if os.path.exists(lock_path):
os.remove(lock_path)
display.display('shutdown complete', log_only=True)
def main():
""" Called to initiate the connect to the remote device
"""
rc = 0
result = {}
messages = list()
socket_path = None
# Need stdin as a byte stream
if PY3:
stdin = sys.stdin.buffer
else:
stdin = sys.stdin
# Note: update the below log capture code after Display.display() is refactored.
saved_stdout = sys.stdout
sys.stdout = StringIO()
try:
# read the play context data via stdin, which means depickling it
vars_data = read_stream(stdin)
init_data = read_stream(stdin)
if PY3:
pc_data = cPickle.loads(init_data, encoding='bytes')
variables = cPickle.loads(vars_data, encoding='bytes')
else:
pc_data = cPickle.loads(init_data)
variables = cPickle.loads(vars_data)
play_context = PlayContext()
play_context.deserialize(pc_data)
display.verbosity = play_context.verbosity
except Exception as e:
rc = 1
result.update({
'error': to_text(e),
'exception': traceback.format_exc()
})
if rc == 0:
ssh = connection_loader.get('ssh', class_only=True)
ansible_playbook_pid = sys.argv[1]
cp = ssh._create_control_path(play_context.remote_addr, play_context.port, play_context.remote_user, play_context.connection, ansible_playbook_pid)
# create the persistent connection dir if need be and create the paths
# which we will be using later
tmp_path = unfrackpath(C.PERSISTENT_CONTROL_PATH_DIR)
makedirs_safe(tmp_path)
socket_path = unfrackpath(cp % dict(directory=tmp_path))
lock_path = unfrackpath("%s/.ansible_pc_lock_%s" % os.path.split(socket_path))
with file_lock(lock_path):
if not os.path.exists(socket_path):
messages.append(('vvvv', 'local domain socket does not exist, starting it'))
original_path = os.getcwd()
r, w = os.pipe()
pid = fork_process()
if pid == 0:
try:
os.close(r)
wfd = os.fdopen(w, 'w')
process = ConnectionProcess(wfd, play_context, socket_path, original_path, ansible_playbook_pid)
process.start(variables)
except Exception:
messages.append(('error', traceback.format_exc()))
rc = 1
if rc == 0:
process.run()
else:
process.shutdown()
sys.exit(rc)
else:
os.close(w)
rfd = os.fdopen(r, 'r')
data = json.loads(rfd.read(), cls=AnsibleJSONDecoder)
messages.extend(data.pop('messages'))
result.update(data)
else:
messages.append(('vvvv', 'found existing local domain socket, using it!'))
conn = Connection(socket_path)
conn.set_options(var_options=variables)
pc_data = to_text(init_data)
try:
conn.update_play_context(pc_data)
except Exception as exc:
# Only network_cli has update_play context, so missing this is
# not fatal e.g. netconf
if isinstance(exc, ConnectionError) and getattr(exc, 'code', None) == -32601:
pass
else:
result.update({
'error': to_text(exc),
'exception': traceback.format_exc()
})
if os.path.exists(socket_path):
messages.extend(Connection(socket_path).pop_messages())
messages.append(('vvvv', sys.stdout.getvalue()))
result.update({
'messages': messages,
'socket_path': socket_path
})
sys.stdout = saved_stdout
if 'exception' in result:
rc = 1
sys.stderr.write(json.dumps(result, cls=AnsibleJSONEncoder))
else:
rc = 0
sys.stdout.write(json.dumps(result, cls=AnsibleJSONEncoder))
sys.exit(rc)
if __name__ == '__main__':
display = Display()
main()

View file

@ -150,6 +150,8 @@ hacking/test-module.py metaclass-boilerplate
hacking/tests/gen_distribution_version_testcase.py future-import-boilerplate
hacking/tests/gen_distribution_version_testcase.py metaclass-boilerplate
lib/ansible/cli/console.py pylint:blacklisted-name
lib/ansible/cli/scripts/ansible_cli_stub.py shebang
lib/ansible/cli/scripts/ansible_connection_cli_stub.py shebang
lib/ansible/compat/selectors/_selectors2.py future-import-boilerplate # ignore bundled
lib/ansible/compat/selectors/_selectors2.py metaclass-boilerplate # ignore bundled
lib/ansible/compat/selectors/_selectors2.py pylint:blacklisted-name