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#!/bin/sh
set -e
set -x
# Re-add the namespace
ip netns add amphora-haproxy || true
# Load the system sysctl into the new namespace
ip netns exec amphora-haproxy sysctl --system
# Enable kernel module ip_vs for lvs function in amphora network namespace
ip netns exec amphora-haproxy modprobe ip_vs
# Enable ip_forward and conntrack kernel configuration
ip netns exec amphora-haproxy sysctl -w net.ipv4.ip_forward=1
ip netns exec amphora-haproxy sysctl -w net.ipv4.vs.conntrack=1
ip netns exec amphora-haproxy sysctl -w net.ipv6.conf.all.forwarding=1
# Wait until /var/lib/octavia/plugged_interfaces appears
TIMESTAMP_TIMEOUT=$(date -d "now + 5 min" +%s)
while [ ! -f /var/lib/octavia/plugged_interfaces ] && [ $(date +%s) -lt "${TIMESTAMP_TIMEOUT}" ] ; do
sleep 2
done
if [ ! -f /var/lib/octavia/plugged_interfaces ] ; then
exit 1
fi
# We need the plugged_interfaces file sorted to join the host interfaces
/usr/bin/sort -k 1 /var/lib/octavia/plugged_interfaces > /var/lib/octavia/plugged_interfaces.sorted
# Assign the interfaces into the namespace with the appropriate name
ip link | awk '{getline n; print $0,n}' \
| awk '{sub(":","",$2)} { for(i=1;i<=NF;i++) if ($i == "link/ether") {print $(i+1) " " $2} }' \
| sort -k 1 | join -j 1 - /var/lib/octavia/plugged_interfaces.sorted \
| awk '{system("ip link set "$2" netns amphora-haproxy name "$3"")}'
# Bring up all of the namespace interfaces
ip netns exec amphora-haproxy ifup -a
exit 0
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