#!/bin/sh

# Generate sentinel.conf file for Valkey Sentinel
source /opt/scripts/common.sh

PATH=${PATH}:/
SENTINEL_MASTER=""

updateSentinelMaster(){
    cp /etc/valkey/sentinel.conf.orig /etc/valkey/sentinel.conf
    hostname=$(hostname -f)

    pingSentinel 1
    if [ $? -ne 0 ]; then
        SENTINEL_MASTER=$(hostname -f)
    else
        SENTINEL_MASTER=$(getSentinelMasterName)
    fi

    sed -i "s/SENTINEL_MASTER/${SENTINEL_MASTER}/g" /etc/valkey/sentinel.conf

}


if [ -f /etc/valkey/sentinel.conf ]; then
    echo "Sentinel configuration file already exists, starting with this."
    reps=$(awk -F ':' '/REPLICAS/ {print $2}' /etc/valkey/sentinel.conf)
    if [ "${reps}" = "${VALKEY_REPLICAS}" ]; then
        echo "Sentinel configuration file already has the correct number of replicas (${VALKEY_REPLICAS})."
    else
        echo "Updating Sentinel configuration file with the correct number of replicas (${VALKEY_REPLICAS})."
        updateSentinelMaster
    fi
else
    updateSentinelMaster
fi

valkey-sentinel /etc/valkey/sentinel.conf