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authorDavid Gibson <david@gibson.dropbear.id.au>2022-07-22 15:31:13 +1000
committerStefano Brivio <sbrivio@redhat.com>2022-07-30 21:57:50 +0200
commit06abfcf6d95762976d37aa5721c16802c649efd4 (patch)
tree38b2b7936c0a107015706dd3feadc2021edab13a /test/two_guests/basic
parent3eaf9f532021326a47f70046b05854d8b1819825 (diff)
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Separately locate external interfaces for IPv4 and IPv6
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>
Diffstat (limited to 'test/two_guests/basic')
-rw-r--r--test/two_guests/basic3
1 files changed, 2 insertions, 1 deletions
diff --git a/test/two_guests/basic b/test/two_guests/basic
index f7c016d..e226178 100644
--- a/test/two_guests/basic
+++ b/test/two_guests/basic
@@ -19,6 +19,7 @@ test Interface names
g1out IFNAME1 ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
g2out IFNAME2 ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
hout HOST_IFNAME ip -j -4 route show|jq -rM '[.[] | select(.dst == "default").dev] | .[0]'
+hout HOST_IFNAME6 ip -j -6 route show|jq -rM '[.[] | select(.dst == "default").dev] | .[0]'
check [ -n "__IFNAME1__" ]
check [ -n "__IFNAME2__" ]
@@ -40,7 +41,7 @@ guest1 /sbin/dhclient -6 __IFNAME1__
guest2 /sbin/dhclient -6 __IFNAME2__
g1out ADDR1_6 ip -j -6 addr show|jq -rM '.[] | select(.ifname == "__IFNAME1__").addr_info[] | select(.prefixlen == 128).local'
g2out ADDR2_6 ip -j -6 addr show|jq -rM '.[] | select(.ifname == "__IFNAME2__").addr_info[] | select(.prefixlen == 128).local'
-hout HOST_ADDR6 ip -j -6 addr show|jq -rM '.[] | select(.ifname == "__HOST_IFNAME__").addr_info[] | select(.scope == "global").local'
+hout HOST_ADDR6 ip -j -6 addr show|jq -rM '.[] | select(.ifname == "__HOST_IFNAME6__").addr_info[] | select(.scope == "global").local'
check [ "__ADDR1_6__" = "__HOST_ADDR6__" ]
check [ "__ADDR2_6__" = "__HOST_ADDR6__" ]