1 files changed, 47 insertions, 0 deletions
diff --git a/kolla/docker/neutron/neutron-base/keepalived b/kolla/docker/neutron/neutron-base/keepalived
new file mode 100644
index 000000000..6bb2b4d3d
--- /dev/null
+++ b/kolla/docker/neutron/neutron-base/keepalived
@@ -0,0 +1,47 @@
+#!/bin/bash
+
+source /usr/local/etc/neutron-wrappers/config
+
+ARGS="$@"
+
+# Extract the network namespace UUID from the command line args provided by
+# neutron. Typically of the form (with dnsmasq as an example):
+#
+# dnsmasq --no-hosts --no-resolv --except-interface=lo \
+#   --pid-file=/var/lib/neutron/dhcp/317716b8-919a-4a6f-8db1-78128ec3b100/pid  \
+#   --dhcp-hostsfile=/var/lib/neutron/dhcp/317716b8-919a-4a6f-8db1-78128ec3b100/host ...
+NETNS=$(ip netns identify)
+NAME=${KOLLA_NAME}_keepalived_${NETNS}
+
+if [[ -S "/var/run/docker.sock" ]]; then
+    CLI="docker"
+    CMD="ip netns exec ${NETNS} /usr/sbin/keepalived -n -l -D"
+elif [[ -S "/run/podman/podman.sock" ]]; then
+    CLI="nsenter --net=/run/netns/${NETNS} --preserve-credentials -m -t 1 podman"
+    CMD='/usr/sbin/keepalived -n -l -D'
+else
+    echo "Could not detect a supported container runtime, exiting."
+    exit 1
+fi
+
+LIST=$($CLI ps -a --filter name=${KOLLA_SERVICE}_keepalived_ --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 /lib/modules:/lib/modules:ro \
+    -v /sbin/modprobe:/sbin/modprobe: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