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62d3bdc110
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106 lines
3 KiB
Python
106 lines
3 KiB
Python
# SPDX-License-Identifier: BSD-3-Clause
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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import logging
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# Relative import is not support by ansible 2.8 yet
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# pylint: disable=import-error, no-name-in-module
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from ansible.module_utils.network_lsr.nm import error # noqa:E501
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try:
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import gi
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except ImportError:
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NETWORK_HAS_GI = False
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else:
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NETWORK_HAS_GI = True
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if NETWORK_HAS_GI:
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try:
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gi.require_version("NM", "1.0")
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# It is required to state the NM version before importing it
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# But this break the flake8 rule: https://www.flake8rules.com/rules/E402.html
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# Use NOQA: E402 to suppress it.
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from gi.repository import NM # NOQA: E402
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from gi.repository import GLib # NOQA: E402
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from gi.repository import Gio # NOQA: E402
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# pylint: enable=import-error, no-name-in-module
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NM
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GLib
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Gio
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except ValueError:
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# This is to workaround a bug in ansible 2.9 which causes
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# this code to be executed on the control node, where NM
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# is not guaranteed to exist. On the other hand, it is
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# ensured on the managed nodes as NM package is installed
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# in the network role. Therefore, this exception handling
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# does not affect the network installation and configuration
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# on the managed nodes.
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pass
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def get_client():
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return NM.Client.new()
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class _NmMainLoop(object):
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def __init__(self, timeout):
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self._mainloop = GLib.MainLoop()
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self._cancellable = Gio.Cancellable.new()
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self._timeout = timeout
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self._timeout_id = None
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def run(self):
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logging.debug("NM mainloop running")
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user_data = None
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self._timeout_id = GLib.timeout_add(
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int(self._timeout * 1000),
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self._timeout_call_back,
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user_data,
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)
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logging.debug("Added timeout checker")
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self._mainloop.run()
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def _timeout_call_back(self, _user_data):
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logging.error("Timeout")
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self.fail(error.LsrNetworkNmError("Timeout"))
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@property
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def cancellable(self):
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return self._cancellable
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@property
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def is_cancelled(self):
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if self._cancellable:
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return self._cancellable.is_cancelled()
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return True
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def _clean_up(self):
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logging.debug("NM mainloop cleaning up")
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if self._timeout_id:
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logging.debug("Removing timeout checker")
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GLib.source_remove(self._timeout_id)
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self._timeout_id = None
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if self._cancellable:
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logging.debug("Canceling all pending tasks")
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self._cancellable.cancel()
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self._cancellable = None
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self._mainloop = None
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def quit(self):
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logging.debug("NM mainloop quitting")
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self._mainloop.quit()
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self._clean_up()
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def fail(self, exception):
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self.quit()
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raise exception
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def get_mainloop(timeout):
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return _NmMainLoop(timeout)
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