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#!/bin/bash
set -euo pipefail
# First see if all interfaces are up
ifconfig
# S10 might be on loopback --> needs bring-up
if [[ "$MME_INTERFACE_NAME_FOR_S10" == *"lo:"* ]]
then
ifconfig ${MME_INTERFACE_NAME_FOR_S10} ${MME_IPV4_ADDRESS_FOR_S10} up
fi
LIST_OF_NETWORKS=`ifconfig -s | egrep -v "^Iface|^lo" | cut -d' ' -f1`
for if_name in $LIST_OF_NETWORKS
do
IF_IP_ADDR=`ifconfig $if_name | grep inet | sed -e "s# *inet#inet#" | cut -d' ' -f2`
if [[ "${IF_IP_ADDR}" == "${MME_IPV4_ADDRESS_FOR_S1_MME}" ]]; then
echo "S1C is on $if_name"
MME_INTERFACE_NAME_FOR_S1_MME=$if_name
fi
if [[ "${IF_IP_ADDR}" == "${MME_IPV4_ADDRESS_FOR_S10}" ]]; then
echo "S10 is on $if_name"
MME_INTERFACE_NAME_FOR_S10=$if_name
fi
if [[ "${IF_IP_ADDR}" == "${MME_IPV4_ADDRESS_FOR_S11}" ]]; then
echo "S11 is on $if_name"
MME_INTERFACE_NAME_FOR_S11=$if_name
fi
done
CONFIG_DIR="/openair-mme/etc"
for c in ${CONFIG_DIR}/mme_fd.conf; do
#echo "entrypoint.sh process config file $c"
sed -i -e "s#@TAC-LB#@TAC_LB#" -e "s#TAC-HB_#TAC_HB_#" ${c}
# grep variable names (format: ${VAR}) from template to be rendered
VARS=$(grep -oP '@[a-zA-Z0-9_]+@' ${c} | sort | uniq | xargs)
#echo "entrypoint.sh process vars $VARS"
# create sed expressions for substituting each occurrence of ${VAR}
# with the value of the environment variable "VAR"
EXPRESSIONS=""
for v in ${VARS}; do
#echo "var is $v"
NEW_VAR=`echo $v | sed -e "s#@##g"`
#echo "NEW_VAR is $NEW_VAR"
if [[ "${!NEW_VAR}x" == "x" ]]; then
echo "Error: Environment variable '${NEW_VAR}' is not set." \
"Config file '$(basename $c)' requires all of $VARS."
exit 1
fi
# Some fields require CIDR format
if [[ "${NEW_VAR}" == "MME_IPV4_ADDRESS_FOR_S1_MME" ]] || \
[[ "${NEW_VAR}" == "MME_IPV4_ADDRESS_FOR_S11" ]] || \
[[ "${NEW_VAR}" == "MME_IPV4_ADDRESS_FOR_S10" ]]; then
EXPRESSIONS="${EXPRESSIONS};s|${v}|${!NEW_VAR}/24|g"
else
EXPRESSIONS="${EXPRESSIONS};s|${v}|${!NEW_VAR}|g"
fi
done
EXPRESSIONS="${EXPRESSIONS#';'}"
# render template and inline replace config file
sed -i "${EXPRESSIONS}" ${c}
done
pushd /openair-mme/scripts
./check_mme_s6a_certificate ${PREFIX} ${MME_FQDN}
popd
exec "$@"