ca0c33ae5b
A number of tests and examples use dhclient in both IPv4 and IPv6 modes.
We use "dhclient -6" for IPv6, but usually just "dhclient" for IPv4. Add
an explicit "-4" argument to make it more clear and explicit.
In addition, when dhclient is run from within pasta it usually won't be
"real" root, and so will not have access to write the default global pid
file. This results in a mostly harmless but irritating error:
Can't create /var/run/dhclient.pid: Permission denied
We can avoid that by using the --no-pid flag to dhclient.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
46 lines
1.7 KiB
Text
46 lines
1.7 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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onlyfor pasta
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nstools ip jq /sbin/udhcpc /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/udhcpc -i __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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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 == "__IFNAME__").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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