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78 lines
2.9 KiB
Python
78 lines
2.9 KiB
Python
#
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# This code is part of Ansible, but is an independent component.
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# This particular file snippet, and this file snippet only, is BSD licensed.
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# Modules you write using this snippet, which is embedded dynamically by Ansible
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# still belong to the author of the module, and may assign their own license
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# to the complete work.
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#
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# (c) 2017 Red Hat Inc.
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#
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# Redistribution and use in source and binary forms, with or without modification,
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# are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import signal
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import socket
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import struct
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from ansible.module_utils.basic import get_exception
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from ansible.module_utils._text import to_bytes, to_native
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def send_data(s, data):
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packed_len = struct.pack('!Q', len(data))
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return s.sendall(packed_len + data)
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def recv_data(s):
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header_len = 8 # size of a packed unsigned long long
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data = to_bytes("")
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while len(data) < header_len:
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d = s.recv(header_len - len(data))
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if not d:
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return None
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data += d
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data_len = struct.unpack('!Q', data[:header_len])[0]
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data = data[header_len:]
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while len(data) < data_len:
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d = s.recv(data_len - len(data))
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if not d:
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return None
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data += d
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return data
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def exec_command(module, command):
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try:
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sf = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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sf.connect(module._socket_path)
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data = "EXEC: %s" % command
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send_data(sf, to_bytes(data.strip()))
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rc = int(recv_data(sf), 10)
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stdout = recv_data(sf)
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stderr = recv_data(sf)
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except socket.error:
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exc = get_exception()
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sf.close()
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module.fail_json(msg='unable to connect to socket', err=str(exc))
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sf.close()
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return (rc, to_native(stdout), to_native(stderr))
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