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d0bac2796b
Add a topotest that ensures that when addpath is enabled and two paths with same nexthop are received, they are sent to ZEBRA which detects 'duplicate nexthop'. Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
49 lines
1.3 KiB
Python
49 lines
1.3 KiB
Python
#!/usr/bin/env python
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# SPDX-License-Identifier: ISC
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#
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# common_check.py
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#
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# Copyright 2024 6WIND S.A.
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#
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import json
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from lib import topotest
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def ip_check_path_selection(router, ipaddr_str, expected, vrf_name=None):
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if vrf_name:
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cmdstr = f'show ip route vrf {vrf_name} {ipaddr_str} json'
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else:
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cmdstr = f'show ip route {ipaddr_str} json'
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try:
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output = json.loads(router.vtysh_cmd(cmdstr))
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except:
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output = {}
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ret = topotest.json_cmp(output, expected)
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if ret is None:
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num_nh_expected = len(expected[ipaddr_str][0]["nexthops"])
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num_nh_observed = len(output[ipaddr_str][0]["nexthops"])
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if num_nh_expected == num_nh_observed:
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return ret
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return "{}, prefix {} does not have the correct number of nexthops : observed {}, expected {}".format(
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router.name, ipaddr_str, num_nh_observed, num_nh_expected
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)
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return ret
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def iproute2_check_path_selection(router, ipaddr_str, expected, vrf_name=None):
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if not topotest.iproute2_is_json_capable():
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return None
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if vrf_name:
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cmdstr = f'ip -json route show vrf {vrf_name} {ipaddr_str}'
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else:
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cmdstr = f'ip -json route show {ipaddr_str}'
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try:
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output = json.loads(cmdstr)
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except:
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output = []
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return topotest.json_cmp(output, expected)
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