1. devstack
  2. Commit a263ef283e422fc25e7ecff2e9c272eab1a336a6
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Pick just the first route when looking for the host interface

The current code will fail miserably if multiple default routes are
present (perfectly normal if they have different metrics). Fixing
the code to pick the first/top entry

Fixes LP# 1084470

Change-Id: Ieda16b575685071ff831c92e6b2a29737d6f849b

Davanum Srinivas authored on 2013/01/29 11:56:02
Showing 1 changed files
stack.sh
History View file @ a263ef2
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@@ -253,7 +253,7 @@ FIXED_NETWORK_SIZE=${FIXED_NETWORK_SIZE:-256}
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 NETWORK_GATEWAY=${NETWORK_GATEWAY:-10.0.0.1}
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 # Find the interface used for the default route
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-HOST_IP_IFACE=${HOST_IP_IFACE:-$(ip route | sed -n '/^default/{ s/.*dev \(\w\+\)\s\+.*/\1/; p; }')}
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+HOST_IP_IFACE=${HOST_IP_IFACE:-$(ip route | sed -n '/^default/{ s/.*dev \(\w\+\)\s\+.*/\1/; p; }' | head -1)}
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 # Search for an IP unless an explicit is set by ``HOST_IP`` environment variable
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 if [ -z "$HOST_IP" -o "$HOST_IP" == "dhcp" ]; then
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     HOST_IP=""