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Merge pull request #178842 from Ma27/vrf-test-json

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nixos/systemd-networkd-vrf: check routing tables via `ip --json`
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Maximilian Bosch 2022-06-26 00:25:08 +02:00 committed by GitHub
commit cb009ecbc7
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1 changed files with 32 additions and 18 deletions
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50
nixos/tests/systemd-networkd-vrf.nix
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@ -138,18 +138,18 @@ in {
};
testScript = ''
def compare_tables(expected, actual):
assert (
expected == actual
), """
Routing tables don't match!
Expected:
{}
Actual:
{}
""".format(
expected, actual
)
import json
def compare(raw_json, to_compare):
data = json.loads(raw_json)
assert len(raw_json) >= len(to_compare)
for i, row in enumerate(to_compare):
actual = data[i]
assert len(row.keys()) > 0
for key, value in row.items():
assert value == actual[key], f"""
In entry {i}, value {key}: got: {actual[key]}, expected {value}
"""
start_all()
@ -178,14 +178,28 @@ in {
# Check that networkd properly configures the main routing table
# and the routing tables for the VRF.
with subtest("check vrf routing tables"):
compare_tables(
client_ipv4_table, client.succeed("ip -4 route list | head -n2").strip()
compare(
client.succeed("ip --json -4 route list"),
[
{"dst": "192.168.1.2", "dev": "vrf1", "metric": 100},
{"dst": "192.168.2.3", "dev": "vrf2", "metric": 100}
]
)
compare_tables(
vrf1_table, client.succeed("ip -4 route list table 23 | head -n4").strip()
compare(
client.succeed("ip --json -4 route list table 23"),
[
{"dst": "192.168.1.0/24", "dev": "eth1", "prefsrc": "192.168.1.1"},
{"type": "local", "dst": "192.168.1.1", "dev": "eth1", "prefsrc": "192.168.1.1"},
{"type": "broadcast", "dev": "eth1", "prefsrc": "192.168.1.1", "dst": "192.168.1.255"}
]
)
compare_tables(
vrf2_table, client.succeed("ip -4 route list table 42 | head -n4").strip()
compare(
client.succeed("ip --json -4 route list table 42"),
[
{"dst": "192.168.2.0/24", "dev": "eth2", "prefsrc": "192.168.2.1"},
{"type": "local", "dst": "192.168.2.1", "dev": "eth2", "prefsrc": "192.168.2.1"},
{"type": "broadcast", "dev": "eth2", "prefsrc": "192.168.2.1", "dst": "192.168.2.255"}
]
)
# Ensure that other nodes are reachable via ICMP through the VRF.