puppet-tripleo/templates/neutron/radvd.epp

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<%- | String $image_name = '',
String $bind_socket = '',
Boolean $debug,
String $container_cli = ''
| -%>
#!/bin/bash
<%- if $debug { -%>set -x<%- } -%>
<%- if $bind_socket { -%>
export DOCKER_HOST="<%=$bind_socket%>"
<%- } -%>
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($0, /(\w{8}-\w{4}-\w{4}-\w{4}-\w{12})/,m)) print m[0] }')
NAME=neutron-radvd-${NETWORK_ID}
<%- if $container_cli == 'docker' { -%>
CLI='docker'
LOGGING=''
CMD="ip netns exec qrouter-${NETWORK_ID} /usr/sbin/radvd -n"
<%- } elsif $container_cli == 'podman' { -%>
CLI="nsenter --net=/run/netns/${NETNS} --preserve-credentials -m -t 1 podman"
LOGGING="--log-driver k8s-file --log-opt path=/var/log/containers/stdouts/${NAME}.log"
CMD='/usr/sbin/radvd -n'
<%- } else { -%>
CLI='echo noop'
CMD='echo noop'
<%- } -%>
LIST=$($CLI ps -a --filter name=neutron-radvd- --format '{{.ID}}:{{.Names}}:{{.Status}}' | awk '{print $1}')
# Find orphaned containers left for dead after its main process terminated by neutron parent process
ORPHANTS=$(printf "%s\n" "${LIST}" | grep ":Exited")
if [ -n "${ORPHANTS}" ]; then
for orphant in $(printf "%s\n" "${ORPHANTS}" | awk -F':' '{print $1}'); do
echo "Removing orphaned container ${orphant}"
$CLI stop ${orphant} || true
$CLI rm -f ${orphant} || true
done
fi
# If the NAME is already taken by a container, give it an unique name
printf "%s\n" "${LIST}" | grep -q "${NAME}$" && NAME="${NAME}-$(date +%Y-%m-%d-%H%M%S-%N)"
echo "Starting a new child container ${NAME}"
$CLI run --detach ${LOGGING} \
-v /var/lib/config-data/puppet-generated/neutron/etc/neutron:/etc/neutron:ro \
-v /run/netns:/run/netns:shared \
-v /var/lib/neutron:/var/lib/neutron:z,shared \
-v /dev/log:/dev/log \
--net host \
--pid host \
--privileged \
-u root \
--name $NAME \
<%=$image_name%> \
$CMD $ARGS