Add haproxy Dockerfile related files

[aai/aai-common.git] / Dockerfiles / haproxy / docker-entrypoint.sh

diff --git a/Dockerfiles/haproxy/docker-entrypoint.sh b/Dockerfiles/haproxy/docker-entrypoint.sh
new file mode 100644 (file)
index 0000000..9095b3d
--- /dev/null
+++ b/Dockerfiles/haproxy/docker-entrypoint.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+set -e
+
+# first arg is `-f` or `--some-option`
+if [ "${1#-}" != "$1" ]; then
+    set -- haproxy "$@"
+fi
+
+NAMESERVER_IP=$(cat /etc/resolv.conf  | grep 'nameserver' | head -1 | awk '{ print $2; }');
+
+sed -i 's/${ONAP_NAMESERVER_CLUSTER_IP}/'${NAMESERVER_IP}'/g' /usr/local/etc/haproxy/resolvers.conf || {
+    echo "Unable to overwrite the nameserver in the haproxy configuration file";
+    exit 1;
+}
+
+if [ "$1" = 'haproxy' ]; then
+    # if the user wants "haproxy", let's use "haproxy-systemd-wrapper" instead so we can have proper reloadability implemented by upstream
+    shift # "haproxy"
+    set -- "$(which haproxy-systemd-wrapper)" -p /run/haproxy.pid "$@"
+fi
+
+exec "$@"