cloud-init/SOURCES/ci-Fix-requiring-device-number-on-EC2-derivatives-836.patch
2021-09-09 15:24:00 +00:00

104 lines
4.2 KiB
Diff

From 93b48730e201bf374f75a3f71d8d6b28211016ba Mon Sep 17 00:00:00 2001
From: Eduardo Otubo <otubo@redhat.com>
Date: Tue, 23 Mar 2021 16:14:16 +0100
Subject: [PATCH] Fix requiring device-number on EC2 derivatives (#836)
RH-Author: Eduardo Otubo <otubo@redhat.com>
RH-MergeRequest: 3: Fix requiring device-number on EC2 derivatives (#836)
RH-Commit: [1/1] f372b10d179a969fcf824db8a39bdea3befc4ef4 (eterell/cloud-init)
RH-Bugzilla: 1942699
RH-Acked-by: Acked-by: Mohammed Gamal <mgamal@redhat.com>
RH-Acked-by: Acked-by: Vitaly Kuznetsov vkuznets@redhat.com
RH-Acked-by: Acked-by: Cathy Avery cavery@redhat.com
commit 9bd19645a61586b82e86db6f518dd05c3363b17f
Author: James Falcon <TheRealFalcon@users.noreply.github.com>
Date: Mon Mar 8 14:09:47 2021 -0600
Fix requiring device-number on EC2 derivatives (#836)
#342 (70dbccbb) introduced the ability to determine route-metrics based on
the `device-number` provided by the EC2 IMDS. Not all datasources that
subclass EC2 will have this attribute, so allow the old behavior if
`device-number` is not present.
LP: #1917875
Signed-off-by: Eduardo Otubo <otubo@redhat.com>
---
cloudinit/sources/DataSourceEc2.py | 3 +-
.../unittests/test_datasource/test_aliyun.py | 30 +++++++++++++++++++
2 files changed, 32 insertions(+), 1 deletion(-)
diff --git a/cloudinit/sources/DataSourceEc2.py b/cloudinit/sources/DataSourceEc2.py
index 1d09c12a..ce69d1b3 100644
--- a/cloudinit/sources/DataSourceEc2.py
+++ b/cloudinit/sources/DataSourceEc2.py
@@ -764,13 +764,14 @@ def convert_ec2_metadata_network_config(
netcfg['ethernets'][nic_name] = dev_config
return netcfg
# Apply network config for all nics and any secondary IPv4/v6 addresses
+ nic_idx = 0
for mac, nic_name in sorted(macs_to_nics.items()):
nic_metadata = macs_metadata.get(mac)
if not nic_metadata:
continue # Not a physical nic represented in metadata
# device-number is zero-indexed, we want it 1-indexed for the
# multiplication on the following line
- nic_idx = int(nic_metadata['device-number']) + 1
+ nic_idx = int(nic_metadata.get('device-number', nic_idx)) + 1
dhcp_override = {'route-metric': nic_idx * 100}
dev_config = {'dhcp4': True, 'dhcp4-overrides': dhcp_override,
'dhcp6': False,
diff --git a/tests/unittests/test_datasource/test_aliyun.py b/tests/unittests/test_datasource/test_aliyun.py
index b626229e..a57f86a1 100644
--- a/tests/unittests/test_datasource/test_aliyun.py
+++ b/tests/unittests/test_datasource/test_aliyun.py
@@ -7,6 +7,7 @@ from unittest import mock
from cloudinit import helpers
from cloudinit.sources import DataSourceAliYun as ay
+from cloudinit.sources.DataSourceEc2 import convert_ec2_metadata_network_config
from cloudinit.tests import helpers as test_helpers
DEFAULT_METADATA = {
@@ -183,6 +184,35 @@ class TestAliYunDatasource(test_helpers.HttprettyTestCase):
self.assertEqual(ay.parse_public_keys(public_keys),
public_keys['key-pair-0']['openssh-key'])
+ def test_route_metric_calculated_without_device_number(self):
+ """Test that route-metric code works without `device-number`
+
+ `device-number` is part of EC2 metadata, but not supported on aliyun.
+ Attempting to access it will raise a KeyError.
+
+ LP: #1917875
+ """
+ netcfg = convert_ec2_metadata_network_config(
+ {"interfaces": {"macs": {
+ "06:17:04:d7:26:09": {
+ "interface-id": "eni-e44ef49e",
+ },
+ "06:17:04:d7:26:08": {
+ "interface-id": "eni-e44ef49f",
+ }
+ }}},
+ macs_to_nics={
+ '06:17:04:d7:26:09': 'eth0',
+ '06:17:04:d7:26:08': 'eth1',
+ }
+ )
+
+ met0 = netcfg['ethernets']['eth0']['dhcp4-overrides']['route-metric']
+ met1 = netcfg['ethernets']['eth1']['dhcp4-overrides']['route-metric']
+
+ # route-metric numbers should be 100 apart
+ assert 100 == abs(met0 - met1)
+
class TestIsAliYun(test_helpers.CiTestCase):
ALIYUN_PRODUCT = 'Alibaba Cloud ECS'
--
2.27.0