06abfcf6d9
Now that the back end allows passt/pasta to use different external interfaces for IPv4 and IPv6, use that to do the right thing in the case that the host has IPv4 and IPv6 connectivity via different interfaces. If the user hasn't explicitly chosen an interface, separately search for a suitable external interface for each protocol. As a bonus, this substantially simplifies the external interface probe. It also eliminates a subtle confusing case where in some circumstances we would pick the first interface in interface index order, and sometimes in order of routes returned from netlink. On some network configurations that could cause tests to fail, because the logic in the tests was subtly different (it always used route order). Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
46 lines
1.8 KiB
Text
46 lines
1.8 KiB
Text
# SPDX-License-Identifier: AGPL-3.0-or-later
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#
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# PASST - Plug A Simple Socket Transport
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# for qemu/UNIX domain socket mode
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#
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# PASTA - Pack A Subtle Tap Abstraction
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# for network namespace/tap device mode
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#
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# test/dhcp/pasta - Check DHCP and DHCPv6 functionality in pasta mode
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#
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# Copyright (c) 2021 Red Hat GmbH
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# Author: Stefano Brivio <sbrivio@redhat.com>
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nstools ip jq /sbin/dhclient
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htools ip jq
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test Interface name
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nsout IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
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check [ -n "__IFNAME__" ]
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test DHCP: address
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ns /sbin/dhclient -4 --no-pid __IFNAME__
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nsout ADDR ip -j -4 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[0].local'
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hout HOST_ADDR ip -j -4 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[0].local'
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check [ __ADDR__ = __HOST_ADDR__ ]
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test DHCP: route
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nsout GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
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hout HOST_GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
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check [ __GW__ = __HOST_GW__ ]
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test DHCP: MTU
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nsout MTU ip -j link show | jq -rM '.[] | select(.ifname == "__IFNAME__").mtu'
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check [ __MTU__ = 65520 ]
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test DHCPv6: address
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ns /sbin/dhclient -6 --no-pid __IFNAME__
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hout HOST_IFNAME6 ip -j -6 route show|jq -rM '[.[] | select(.dst == "default").dev] | .[0]'
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nsout ADDR6 ip -j -6 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[] | select(.prefixlen == 128).local'
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hout HOST_ADDR6 ip -j -6 addr show|jq -rM '.[] | select(.ifname == "__HOST_IFNAME6__").addr_info[] | select(.scope == "global").local'
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check [ __ADDR6__ = __HOST_ADDR6__ ]
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test DHCPv6: route
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nsout GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
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hout HOST_GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
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check [ __GW6__ = __HOST_GW6__ ]
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