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From 3b5cfe36b1b754369cb8d3cc0d461068bf6bb8aa Mon Sep 17 00:00:00 2001
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8f4f2d |
From: Fernando Fernandez Mancera <ffmancera@riseup.net>
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8f4f2d |
Date: Wed, 25 Mar 2020 12:21:15 +0100
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8f4f2d |
Subject: [PATCH 06/10] nm.bridge: get ports from sysfs
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8f4f2d |
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8f4f2d |
Unmanaged ports were not being shown when showing or editting the
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8f4f2d |
bridge. In order to fix that, nmstate is retrieving the bridge ports
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8f4f2d |
from sysfs instead of NetworkManager on-disk configuration.
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8f4f2d |
Ref: https://bugzilla.redhat.com/1806452
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Signed-off-by: Fernando Fernandez Mancera <ffmancera@riseup.net>
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---
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libnmstate/nm/bridge.py | 55 +++++++++++++++++---------
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8f4f2d |
tests/integration/linux_bridge_test.py | 34 ++++++++++++++++
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8f4f2d |
2 files changed, 71 insertions(+), 18 deletions(-)
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diff --git a/libnmstate/nm/bridge.py b/libnmstate/nm/bridge.py
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8f4f2d |
index e0ab8e4..672214d 100644
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8f4f2d |
--- a/libnmstate/nm/bridge.py
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8f4f2d |
+++ b/libnmstate/nm/bridge.py
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@@ -17,6 +17,9 @@
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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#
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8f4f2d |
+import glob
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+import os
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+
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from libnmstate.error import NmstateNotImplementedError
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from libnmstate.nm import connection
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from libnmstate.nm import nmclient
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@@ -25,6 +28,12 @@ from libnmstate.schema import LinuxBridge as LB
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BRIDGE_TYPE = "bridge"
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+BRIDGE_PORT_NMSTATE_TO_SYSFS = {
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+ LB.Port.STP_HAIRPIN_MODE: "hairpin_mode",
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+ LB.Port.STP_PATH_COST: "path_cost",
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+ LB.Port.STP_PRIORITY: "priority",
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+}
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+
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def create_setting(options, base_con_profile):
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bridge_setting = _get_current_bridge_setting(base_con_profile)
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@@ -106,10 +115,10 @@ def get_info(nmdev):
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if not bridge_setting:
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return info
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- port_profiles = _get_slave_profiles(nmdev)
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+ port_names_sysfs = _get_slaves_names_from_sysfs(nmdev.get_iface())
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props = bridge_setting.props
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info[LB.CONFIG_SUBTREE] = {
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- LB.PORT_SUBTREE: _get_bridge_ports_info(port_profiles),
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+ LB.PORT_SUBTREE: _get_bridge_ports_info(port_names_sysfs),
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LB.OPTIONS_SUBTREE: {
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LB.Options.MAC_AGEING_TIME: props.ageing_time,
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LB.Options.GROUP_FORWARD_MASK: props.group_forward_mask,
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@@ -139,25 +148,35 @@ def _get_bridge_setting(nmdev):
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return bridge_setting
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-def _get_bridge_ports_info(port_profiles):
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- ports_info = []
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- for p in port_profiles:
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- port_info = _get_bridge_port_info(p)
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- if port_info:
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- ports_info.append(port_info)
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- return ports_info
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+def _get_bridge_ports_info(port_names_sysfs):
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+ return [_get_bridge_port_info(name) for name in port_names_sysfs]
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-def _get_bridge_port_info(port_profile):
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- """Report port information."""
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+def _get_bridge_port_info(port_name):
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8f4f2d |
+ """Report port runtime information from sysfs."""
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+ port = {LB.Port.NAME: port_name}
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+ for option, option_sysfs in BRIDGE_PORT_NMSTATE_TO_SYSFS.items():
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+ sysfs_path = f"/sys/class/net/{port_name}/brport/{option_sysfs}"
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+ with open(sysfs_path) as f:
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+ option_value = int(f.read())
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+ if option == LB.Port.STP_HAIRPIN_MODE:
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+ option_value = bool(option_value)
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+ port[option] = option_value
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+ return port
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- port_setting = port_profile.get_setting_bridge_port()
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8f4f2d |
- return {
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- LB.Port.NAME: port_profile.get_interface_name(),
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- LB.Port.STP_PRIORITY: port_setting.props.priority,
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- LB.Port.STP_HAIRPIN_MODE: port_setting.props.hairpin_mode,
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- LB.Port.STP_PATH_COST: port_setting.props.path_cost,
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- }
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+
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+def _get_slaves_names_from_sysfs(master):
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+ """
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+ We need to use glob in order to get the slaves name due to bug in
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+ NetworkManager.
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+ Ref: https://bugzilla.redhat.com/show_bug.cgi?id=1809547
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+ """
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+ slaves = []
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+ for sysfs_slave in glob.iglob(f"/sys/class/net/{master}/lower_*"):
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+ # The format is lower_<iface>, we need to remove the "lower_" prefix
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+ prefix_length = len("lower_")
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+ slaves.append(os.path.basename(sysfs_slave)[prefix_length:])
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+ return slaves
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def _get_slave_profiles(master_device):
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--
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2.25.1
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