Merge branch 'fqdn_support' into 'develop'

FQDN support

See merge request oai/cn5g/oai-cn5g-upf-vpp!29

scripts/entrypoint.sh

@@ -41,6 +41,18 @@ set -euo pipefail
 CONFIG_DIR="/openair-upf/etc"
 BIN_DIR="/openair-upf/bin"
 
+REGISTER_NRF=${REGISTER_NRF:-no}
+NRF_IPV4_ADDRESS=${NRF_IPV4_ADDRESS:-0.0.0.0}
+NRF_PORT=${NRF_PORT:-80}
+NRF_API_VERSION=${NRF_API_VERSION:-v1}
+NRF_FQDN=${NRF_FQDN:-oai-nrf}
+USE_FQDN_DNS=${USE_FQDN_DNS:-no}
+
+if [[ ${USE_FQDN_DNS} == "yes" ]];then
+    NRF_IPV4_ADDRESS=(`getent hosts $NRF_FQDN | awk '{print $1}'`)
+    echo -e "\nResolving NRF by FQDN : $NRF_FQDN - $NRF_IPV4_ADDRESS"
+fi
+
 UUID=$(cat /proc/sys/kernel/random/uuid)
 
 SGI_IPV4=$(ifconfig $INTERFACE_CORE | grep "inet " | awk '{print $2}')