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#!/bin/bash
source /usr/local/etc/neutron-wrappers/config
ARGS="$@"
# Extract the network namespace UUID from the command line args provided by
# neutron. Typically of the form (with dnsmasq as an example):
#
# dnsmasq --no-hosts --no-resolv --except-interface=lo \
# --pid-file=/var/lib/neutron/dhcp/317716b8-919a-4a6f-8db1-78128ec3b100/pid \
# --dhcp-hostsfile=/var/lib/neutron/dhcp/317716b8-919a-4a6f-8db1-78128ec3b100/host ...
NETWORK_ID=$(echo $ARGS| awk '{if (match($0, /(\w{8}-\w{4}-\w{4}-\w{4}-\w{12})/,m)) print m[0] }')
NAME=${KOLLA_NAME}_radvd_${NETWORK_ID}
if [[ -S "/var/run/docker.sock" ]]; then
CLI="docker"
CMD="ip netns exec qrouter-${NETWORK_ID} /usr/sbin/radvd -n"
elif [[ -S "/run/podman/podman.sock" ]]; then
CLI="nsenter --net=/run/netns/${NETNS} --preserve-credentials -m -t 1 podman"
CMD="/usr/sbin/radvd -n"
else
echo "Could not detect a supported container runtime, exiting."
exit 1
fi
LIST=$($CLI ps -a --filter name=${KOLLA_NAME}_radvd_ --format '{{.ID}}:{{.Names}}:{{.Status}}' | awk '{print $1}')
# If the NAME is already taken by a container, give it an unique name
printf "%s\n" "${LIST}" | grep -q "${NAME}$" && NAME="${NAME}_$(date +%Y-%m-%d-%H%M%S-%N)"
echo "Starting a new child container ${NAME} using image ${KOLLA_IMAGE}"
$CLI run --rm --detach \
-v /etc/kolla/${KOLLA_SERVICE_NAME}:/etc/neutron:ro \
-v /run/netns:/run/netns:shared \
-v neutron_metadata_socket:/var/lib/neutron/kolla/ \
-v kolla_logs:/var/log/kolla \
--net host \
--pid host \
--cgroupns host \
--privileged \
-u root \
--name $NAME \
${KOLLA_IMAGE} \
$CMD $ARGS
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