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@ -29,19 +29,9 @@ options:
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vars:
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- name: ansible_command_timeout
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"""
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import os
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import pty
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import json
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import subprocess
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import sys
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import termios
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from ansible import constants as C
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from ansible.plugins.loader import become_loader, cliconf_loader, connection_loader, httpapi_loader, netconf_loader, terminal_loader
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from ansible.executor.task_executor import start_connection
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from ansible.plugins.connection import ConnectionBase
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from ansible.module_utils._text import to_text
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from ansible.module_utils.connection import Connection as SocketConnection, write_to_file_descriptor
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from ansible.errors import AnsibleError
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from ansible.module_utils.connection import Connection as SocketConnection
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from ansible.utils.display import Display
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display = Display()
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@ -80,85 +70,8 @@ class Connection(ConnectionBase):
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returns the socket path.
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"""
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display.vvvv('starting connection from persistent connection plugin', host=self._play_context.remote_addr)
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socket_path = self._start_connection()
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variables = {'ansible_command_timeout': self.get_option('persistent_command_timeout')}
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socket_path = start_connection(self._play_context, variables)
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display.vvvv('local domain socket path is %s' % socket_path, host=self._play_context.remote_addr)
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setattr(self, '_socket_path', socket_path)
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return socket_path
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def _start_connection(self):
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'''
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Starts the persistent connection
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'''
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candidate_paths = [C.ANSIBLE_CONNECTION_PATH or os.path.dirname(sys.argv[0])]
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candidate_paths.extend(os.environ['PATH'].split(os.pathsep))
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for dirname in candidate_paths:
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ansible_connection = os.path.join(dirname, 'ansible-connection')
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if os.path.isfile(ansible_connection):
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break
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else:
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raise AnsibleError("Unable to find location of 'ansible-connection'. "
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"Please set or check the value of ANSIBLE_CONNECTION_PATH")
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env = os.environ.copy()
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env.update({
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'ANSIBLE_BECOME_PLUGINS': become_loader.print_paths(),
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'ANSIBLE_CLICONF_PLUGINS': cliconf_loader.print_paths(),
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'ANSIBLE_CONNECTION_PLUGINS': connection_loader.print_paths(),
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'ANSIBLE_HTTPAPI_PLUGINS': httpapi_loader.print_paths(),
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'ANSIBLE_NETCONF_PLUGINS': netconf_loader.print_paths(),
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'ANSIBLE_TERMINAL_PLUGINS': terminal_loader.print_paths(),
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})
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python = sys.executable
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master, slave = pty.openpty()
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p = subprocess.Popen(
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[python, ansible_connection, to_text(os.getppid())],
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stdin=slave, stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=env
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)
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os.close(slave)
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# We need to set the pty into noncanonical mode. This ensures that we
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# can receive lines longer than 4095 characters (plus newline) without
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# truncating.
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old = termios.tcgetattr(master)
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new = termios.tcgetattr(master)
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new[3] = new[3] & ~termios.ICANON
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try:
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termios.tcsetattr(master, termios.TCSANOW, new)
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write_to_file_descriptor(master, {'ansible_command_timeout': self.get_option('persistent_command_timeout')})
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write_to_file_descriptor(master, self._play_context.serialize())
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(stdout, stderr) = p.communicate()
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finally:
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termios.tcsetattr(master, termios.TCSANOW, old)
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os.close(master)
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if p.returncode == 0:
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result = json.loads(to_text(stdout, errors='surrogate_then_replace'))
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else:
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try:
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result = json.loads(to_text(stderr, errors='surrogate_then_replace'))
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except getattr(json.decoder, 'JSONDecodeError', ValueError):
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# JSONDecodeError only available on Python 3.5+
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result = {'error': to_text(stderr, errors='surrogate_then_replace')}
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if 'messages' in result:
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for level, message in result['messages']:
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if level == 'log':
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display.display(message, log_only=True)
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elif level in ('debug', 'v', 'vv', 'vvv', 'vvvv', 'vvvvv', 'vvvvvv'):
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getattr(display, level)(message, host=self._play_context.remote_addr)
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else:
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if hasattr(display, level):
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getattr(display, level)(message)
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else:
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display.vvvv(message, host=self._play_context.remote_addr)
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if 'error' in result:
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if self._play_context.verbosity > 2:
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if result.get('exception'):
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msg = "The full traceback is:\n" + result['exception']
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display.display(msg, color=C.COLOR_ERROR)
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raise AnsibleError(result['error'])
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return result['socket_path']
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Nathaniel Case
5 years ago
committed by