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https://github.com/linux-system-roles/network.git
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nm provider: Refactor the volatilize action of network connection
Refactor the volatilize action of nm provider: * Move code to `module_utils/network_lsr/nm` * The `module_utils/network_lsr/nm` only volatilize profile by given UUID instead of guess. The `library/network_connections.py` is responsible on choosing UUID. Signed-off-by: Gris Ge <fge@redhat.com>
This commit is contained in:
Gris Ge
parent
9c86ff6f76
commit
19139286ed
3 changed files with 191 additions and 129 deletions
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@ -51,6 +51,7 @@ PERSISTENT_STATE = "persistent_state"
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ABSENT_STATE = "absent"
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DEFAULT_ACTIVATION_TIMEOUT = 90
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DEFAULT_TIMEOUT = 10
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class CheckMode:
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@ -1148,75 +1149,6 @@ class NMUtil:
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)
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return True
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def connection_delete(self, connection, timeout=10):
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# Do nothing, if the connection is already gone
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if connection not in self.connection_list():
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return
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if "update2" in dir(connection):
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return self.volatilize_connection(connection, timeout)
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delete_cb = Util.create_callback("delete_finish")
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cancellable = Util.create_cancellable()
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cb_args = {}
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connection.delete_async(cancellable, delete_cb, cb_args)
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if not Util.GMainLoop_run(timeout):
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cancellable.cancel()
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raise MyError("failure to delete connection: %s" % ("timeout"))
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if not cb_args.get("success", False):
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raise MyError(
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"failure to delete connection: %s"
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% (cb_args.get("error", "unknown error"))
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)
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# workaround libnm oddity. The connection may not yet be gone if the
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# connection was active and is deactivating. Wait.
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c_uuid = connection.get_uuid()
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gone = self.wait_till_connection_is_gone(c_uuid)
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if not gone:
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raise MyError(
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"connection %s was supposedly deleted successfully, but it's still here"
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% (c_uuid)
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)
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def volatilize_connection(self, connection, timeout=10):
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update2_cb = Util.create_callback("update2_finish")
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cancellable = Util.create_cancellable()
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cb_args = {}
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connection.update2(
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None, # settings
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Util.NM().SettingsUpdate2Flags.IN_MEMORY_ONLY
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| Util.NM().SettingsUpdate2Flags.VOLATILE, # flags
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None, # args
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cancellable,
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update2_cb,
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cb_args,
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)
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if not Util.GMainLoop_run(timeout):
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cancellable.cancel()
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raise MyError("failure to volatilize connection: %s" % ("timeout"))
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Util.GMainLoop_iterate_all()
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# Do not check of success if the connection does not exist anymore This
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# can happen if the connection was already volatile and set to down
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# during the module call
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if connection not in self.connection_list():
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return
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# update2_finish returns None on failure and a GLib.Variant of type
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# a{sv} with the result otherwise (which can be empty)
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if cb_args.get("success", None) is None:
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raise MyError(
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"failure to volatilize connection: %s: %r"
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% (cb_args.get("error", "unknown error"), cb_args)
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)
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def create_checkpoint(self, timeout):
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""" Create a new checkpoint """
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checkpoint = Util.call_async_method(
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@ -1247,25 +1179,6 @@ class NMUtil:
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mainloop_timeout=DEFAULT_ACTIVATION_TIMEOUT,
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)
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def wait_till_connection_is_gone(self, uuid, timeout=10):
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"""
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Wait until a connection is gone or until the timeout elapsed
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:param uuid: UUID of the connection that to wait for to be gone
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:param timeout: Timeout in seconds to wait for
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:returns: True when connection is gone, False when timeout elapsed
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:rtype: bool
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"""
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def _poll_timeout_cb(unused):
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if not self.connection_list(uuid=uuid):
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Util.GMainLoop().quit()
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poll_timeout_id = Util.GLib().timeout_add(100, _poll_timeout_cb, None)
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gone = Util.GMainLoop_run(timeout)
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Util.GLib().source_remove(poll_timeout_id)
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return gone
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def connection_activate(self, connection, timeout=15, wait_time=None):
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already_retried = False
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@ -2070,29 +1983,39 @@ class Cmd_nm(Cmd):
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)
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def run_action_absent(self, idx):
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seen = set()
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name = self.connections[idx]["name"]
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black_list_names = None
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if not name:
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name = None
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profile_uuids = set()
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if name:
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black_list_names = []
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else:
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# Delete all profiles except explicitly included
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black_list_names = ArgUtil.connection_get_non_absent_names(self.connections)
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while True:
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connections = self.nmutil.connection_list(
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name=name, black_list_names=black_list_names, black_list=seen
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for nm_profile in self._nm_provider.get_connections():
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if name and nm_profile.get_id() != name:
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continue
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if nm_profile.get_id() not in black_list_names:
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profile_uuids.add(nm_profile.get_uuid())
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if not profile_uuids:
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self.log_info(idx, "no connection matches '%s' to delete" % (name))
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return
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logger = logging.getLogger()
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log_handler = NmLogHandler(self.log, idx)
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logger.addHandler(log_handler)
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timeout = self.connections[idx].get("wait")
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changed = False
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for profile_uuid in profile_uuids:
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changed |= self._nm_provider.volatilize_connection_by_uuid(
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profile_uuid,
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DEFAULT_TIMEOUT if timeout is None else timeout,
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self.check_mode != CheckMode.REAL_RUN,
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)
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if not connections:
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break
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c = connections[-1]
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seen.add(c)
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self.log_info(idx, "delete connection %s, %s" % (c.get_id(), c.get_uuid()))
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if changed:
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self.connections_data_set_changed(idx)
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if self.check_mode == CheckMode.REAL_RUN:
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try:
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self.nmutil.connection_delete(c)
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except MyError as e:
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self.log_error(idx, "delete connection failed: %s" % (e))
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if not seen:
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self.log_info(idx, "no connection '%s'" % (name))
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logger.removeHandler(log_handler)
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def run_action_present(self, idx):
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connection = self.connections[idx]
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@ -2163,30 +2086,27 @@ class Cmd_nm(Cmd):
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"NetworkManager. Please update NetworkManager or use "
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"ieee802_1x.ca_cert.",
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)
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seen = set()
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if con_cur is not None:
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seen.add(con_cur)
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self._remove_duplicate_profile(idx, con_cur, connection.get("timeout"))
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while True:
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connections = self.nmutil.connection_list(
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name=connection["name"],
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black_list=seen,
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black_list_uuids=[connection["nm.uuid"]],
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)
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if not connections:
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break
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c = connections[-1]
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self.log_info(
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idx, "delete duplicate connection %s, %s" % (c.get_id(), c.get_uuid())
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)
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self.connections_data_set_changed(idx)
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if self.check_mode == CheckMode.REAL_RUN:
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try:
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self.nmutil.connection_delete(c)
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except MyError as e:
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self.log_error(idx, "delete duplicate connection failed: %s" % (e))
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seen.add(c)
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def _remove_duplicate_profile(self, idx, cur_nm_profile, timeout):
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logger = logging.getLogger()
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log_handler = NmLogHandler(self.log, idx)
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logger.addHandler(log_handler)
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for nm_profile in self._nm_provider.get_connections():
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if (
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nm_profile.get_id() == cur_nm_profile.get_id()
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and nm_profile.get_uuid() != cur_nm_profile.get_uuid()
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):
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if self.check_mode == CheckMode.REAL_RUN:
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self._nm_provider.volatilize_connection_by_uuid(
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uuid=nm_profile.get_uuid(),
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timeout=(DEFAULT_TIMEOUT if timeout is None else timeout),
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check_mode=True,
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)
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self.connections_data_set_changed(idx)
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logger.removeHandler(log_handler)
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def run_action_up(self, idx):
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connection = self.connections[idx]
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