postdock_polymorphic

#!/usr/bin/env bash

export REPMGR_CONFIG_FILE="/etc/repmgr.conf"
touch $REPMGR_CONFIG_FILE


# repmgr3                   | repmgr4
# ====================================================
# cluster                   | -
# node                      | node_id
# loglevel                  | log_level
# logfacility	            | log_facility
# logfile                   | log_file
# barman_server             | barman_host
# master_reponse_timeout    | async_query_timeout
# -                         | location
# -                         | degraded_monitoring_timeout

if [ "$REPMGR_MAJOR" == "3" ]; then
    PRELOAD_REPMGR_LIB="repmgr_funcs"
    # deprecated for v4 params
    echo "cluster=$CLUSTER_NAME" >> $REPMGR_CONFIG_FILE
elif [ "$REPMGR_MAJOR" == "4" ]; then  
    PRELOAD_REPMGR_LIB="repmgr"
    # new required params
    echo "degraded_monitoring_timeout=$REPMGR_DEGRADED_MONITORING_TIMEOUT" >> $REPMGR_CONFIG_FILE
    echo "data_directory=$PGDATA" >> $REPMGR_CONFIG_FILE
    echo "async_query_timeout=$MASTER_RESPONSE_TIMEOUT" >> $REPMGR_CONFIG_FILE
fi

if [[ `echo $CONFIGS | grep shared_preload_libraries | wc -l | tr -d ' '` == "0" ]]; then
    if [ "$CONFIGS" != "" ]; then
        DELIMITER="${CONFIGS_DELIMITER_SYMBOL}"
    fi
    NEW_CONFIGS="${CONFIGS}${DELIMITER}shared_preload_libraries${CONFIGS_ASSIGNMENT_SYMBOL}'${PRELOAD_REPMGR_LIB}'"
else
    NEW_CONFIGS=`echo $CONFIGS | sed -e "s/\(shared_preload_libraries${CONFIGS_ASSIGNMENT_SYMBOL}'\{0,1\}\)/\1${PRELOAD_REPMGR_LIB},/g"`
fi

export CONFIGS="$NEW_CONFIGS"

function set_repmgr_upstream_node {
    if [ "$REPMGR_MAJOR" == "3" ]; then
        echo "upstream_node=$REPLICATION_UPSTREAM_NODE_ID" >> $REPMGR_CONFIG_FILE
    elif [ "$REPMGR_MAJOR" == "4" ]; then
        export REPMGR_START_OPTIONS="$REPMGR_START_OPTIONS --upstream-node-id=$REPLICATION_UPSTREAM_NODE_ID"
    fi
}