passt/test/dhcp/pasta
David Gibson 5beef08597 test: Only select a single interface or gateway in tests
The queries we use in the test scripts to locate the external interface
or gateway can return multiple results.  We get away with this because the
way we parse command output only looks at the last line.  It's not really
correct, though, and improvements to our handling of command output will
mean it breaks.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2022-08-20 19:07:12 +02:00

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# SPDX-License-Identifier: AGPL-3.0-or-later
#
# PASST - Plug A Simple Socket Transport
# for qemu/UNIX domain socket mode
#
# PASTA - Pack A Subtle Tap Abstraction
# for network namespace/tap device mode
#
# test/dhcp/pasta - Check DHCP and DHCPv6 functionality in pasta mode
#
# Copyright (c) 2021 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>
nstools ip jq /sbin/dhclient
htools ip jq
test Interface name
nsout IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
check [ -n "__IFNAME__" ]
test DHCP: address
ns /sbin/dhclient -4 --no-pid __IFNAME__
nsout ADDR ip -j -4 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[0].local'
hout HOST_ADDR ip -j -4 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[0].local'
check [ __ADDR__ = __HOST_ADDR__ ]
test DHCP: route
nsout GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
hout HOST_GW ip -j -4 route show|jq -rM '[.[] | select(.dst == "default").gateway] | .[0]'
check [ __GW__ = __HOST_GW__ ]
test DHCP: MTU
nsout MTU ip -j link show | jq -rM '.[] | select(.ifname == "__IFNAME__").mtu'
check [ __MTU__ = 65520 ]
test DHCPv6: address
ns /sbin/dhclient -6 --no-pid __IFNAME__
hout HOST_IFNAME6 ip -j -6 route show|jq -rM '[.[] | select(.dst == "default").dev] | .[0]'
nsout ADDR6 ip -j -6 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[] | select(.prefixlen == 128).local'
hout HOST_ADDR6 ip -j -6 addr show|jq -rM '.[] | select(.ifname == "__HOST_IFNAME6__").addr_info[] | select(.scope == "global").local'
check [ __ADDR6__ = __HOST_ADDR6__ ]
test DHCPv6: route
nsout GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
hout HOST_GW6 ip -j -6 route show|jq -rM '[.[] | select(.dst == "default").gateway] | .[0]'
check [ __GW6__ = __HOST_GW6__ ]