cloud-init/SOURCES/ci-get_interfaces-don-t-exclude-Open-vSwitch-bridge-bon.patch
2021-09-09 15:24:00 +00:00

151 lines
5.7 KiB
Diff

From a0601a472dc5b05106617b35b81d8a0578ade339 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lukas=20M=C3=A4rdian?= <luk@slyon.de>
Date: Thu, 29 Oct 2020 14:38:56 +0100
Subject: [PATCH 1/2] get_interfaces: don't exclude Open vSwitch bridge/bond
members (#608)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Eduardo Otubo (otubo)
RH-MergeRequest: 6: Patch series to fix "Bug 1957135 - Intermittent failure to start cloud-init due to failure to detect macs"
RH-Commit: [1/2] 4362f855d2d1a250a7d18490b35e65a1133a00c2 (otubo/cloud-init)
RH-Bugzilla: 1957135
RH-Acked-by: Mohammed Gamal <mmorsy@redhat.com>
RH-Acked-by: Emanuele Giuseppe Esposito <[eesposit@redhat.com](mailto:eesposit@redhat.com>
commit 3c432b32de1bdce2699525201396a8bbc6a41f3e
Author: Lukas Märdian <luk@slyon.de>
Date: Thu Oct 29 14:38:56 2020 +0100
get_interfaces: don't exclude Open vSwitch bridge/bond members (#608)
If an OVS bridge was used as the only/primary interface, the 'init'
stage failed with a "Not all expected physical devices present" error,
leaving the system with a broken SSH setup.
LP: #1898997
Signed-off-by: Eduardo Otubo <otubo@redhat.com>
---
cloudinit/net/__init__.py | 15 +++++++++++--
cloudinit/net/tests/test_init.py | 36 +++++++++++++++++++++++++++++++-
tools/.github-cla-signers | 1 +
3 files changed, 49 insertions(+), 3 deletions(-)
diff --git a/cloudinit/net/__init__.py b/cloudinit/net/__init__.py
index e233149a..0aa58b27 100644
--- a/cloudinit/net/__init__.py
+++ b/cloudinit/net/__init__.py
@@ -124,6 +124,15 @@ def master_is_bridge_or_bond(devname):
return (os.path.exists(bonding_path) or os.path.exists(bridge_path))
+def master_is_openvswitch(devname):
+ """Return a bool indicating if devname's master is openvswitch"""
+ master_path = get_master(devname)
+ if master_path is None:
+ return False
+ ovs_path = sys_dev_path(devname, path="upper_ovs-system")
+ return os.path.exists(ovs_path)
+
+
def is_netfailover(devname, driver=None):
""" netfailover driver uses 3 nics, master, primary and standby.
this returns True if the device is either the primary or standby
@@ -855,8 +864,10 @@ def get_interfaces():
continue
if is_bond(name):
continue
- if get_master(name) is not None and not master_is_bridge_or_bond(name):
- continue
+ if get_master(name) is not None:
+ if (not master_is_bridge_or_bond(name) and
+ not master_is_openvswitch(name)):
+ continue
if is_netfailover(name):
continue
mac = get_interface_mac(name)
diff --git a/cloudinit/net/tests/test_init.py b/cloudinit/net/tests/test_init.py
index 311ab6f8..0535387a 100644
--- a/cloudinit/net/tests/test_init.py
+++ b/cloudinit/net/tests/test_init.py
@@ -190,6 +190,28 @@ class TestReadSysNet(CiTestCase):
self.assertTrue(net.master_is_bridge_or_bond('eth1'))
self.assertTrue(net.master_is_bridge_or_bond('eth2'))
+ def test_master_is_openvswitch(self):
+ ovs_mac = 'bb:cc:aa:bb:cc:aa'
+
+ # No master => False
+ write_file(os.path.join(self.sysdir, 'eth1', 'address'), ovs_mac)
+
+ self.assertFalse(net.master_is_bridge_or_bond('eth1'))
+
+ # masters without ovs-system => False
+ write_file(os.path.join(self.sysdir, 'ovs-system', 'address'), ovs_mac)
+
+ os.symlink('../ovs-system', os.path.join(self.sysdir, 'eth1',
+ 'master'))
+
+ self.assertFalse(net.master_is_openvswitch('eth1'))
+
+ # masters with ovs-system => True
+ os.symlink('../ovs-system', os.path.join(self.sysdir, 'eth1',
+ 'upper_ovs-system'))
+
+ self.assertTrue(net.master_is_openvswitch('eth1'))
+
def test_is_vlan(self):
"""is_vlan is True when /sys/net/devname/uevent has DEVTYPE=vlan."""
ensure_file(os.path.join(self.sysdir, 'eth0', 'uevent'))
@@ -465,20 +487,32 @@ class TestGetInterfaceMAC(CiTestCase):
):
bridge_mac = 'aa:bb:cc:aa:bb:cc'
bond_mac = 'cc:bb:aa:cc:bb:aa'
+ ovs_mac = 'bb:cc:aa:bb:cc:aa'
+
write_file(os.path.join(self.sysdir, 'br0', 'address'), bridge_mac)
write_file(os.path.join(self.sysdir, 'br0', 'bridge'), '')
write_file(os.path.join(self.sysdir, 'bond0', 'address'), bond_mac)
write_file(os.path.join(self.sysdir, 'bond0', 'bonding'), '')
+ write_file(os.path.join(self.sysdir, 'ovs-system', 'address'),
+ ovs_mac)
+
write_file(os.path.join(self.sysdir, 'eth1', 'address'), bridge_mac)
os.symlink('../br0', os.path.join(self.sysdir, 'eth1', 'master'))
write_file(os.path.join(self.sysdir, 'eth2', 'address'), bond_mac)
os.symlink('../bond0', os.path.join(self.sysdir, 'eth2', 'master'))
+ write_file(os.path.join(self.sysdir, 'eth3', 'address'), ovs_mac)
+ os.symlink('../ovs-system', os.path.join(self.sysdir, 'eth3',
+ 'master'))
+ os.symlink('../ovs-system', os.path.join(self.sysdir, 'eth3',
+ 'upper_ovs-system'))
+
interface_names = [interface[0] for interface in net.get_interfaces()]
- self.assertEqual(['eth1', 'eth2'], sorted(interface_names))
+ self.assertEqual(['eth1', 'eth2', 'eth3', 'ovs-system'],
+ sorted(interface_names))
class TestInterfaceHasOwnMAC(CiTestCase):
diff --git a/tools/.github-cla-signers b/tools/.github-cla-signers
index e5d2b95c..db55361a 100644
--- a/tools/.github-cla-signers
+++ b/tools/.github-cla-signers
@@ -16,6 +16,7 @@ matthewruffell
nishigori
omBratteng
onitake
+slyon
smoser
sshedi
TheRealFalcon
--
2.27.0