#!/bin/bash

. ./setenv.sh

if [[ ! -z "$SOLR_LOCALPATH" ]]; then
    SOLR_LOCALPATH=/tmp
fi

ARG_DOCKER_SOURCE=$1
ARG_DOCKER_TARGET=$2
ARG_BACKUP_TIMESTAMP=$3

if [[ ! -z "$ARG_BACKUP_TIMESTAMP" ]]; then
    echo "A timestamp of the backup to copy is required"
    exit 1;
fi

if [[ ! -z "$ARG_DOCKER_SOURCE" ]]; then
    echo "A source Docker container name or ID is required"
    exit 1
fi

if [[ ! -z "$ARG_DOCKER_TARGET" ]]; then
    echo "A target Docker container name or ID is required"
    exit 1
fi

# copy from one node to the other
docker container cp ${ARG_DOCKER_SOURCE}:${SOLR_LOCALPATH}/snapshot.${ARG_BACKUP_TIMESTAMP} /tmp
docker container cp /tmp/snapshot.${ARG_BACKUP_TIMESTAMP} ${ARG_DOCKER_TARGET}:${SOLR_LOCALPATH}
docker container exec --privileged -u root ${ARG_DOCKER_TARGET} chmod -R go+r ${SOLR_LOCALPATH}/snapshot.${ARG_BACKUP_TIMESTAMP}
rm -rf /tmp/snapshot.${ARG_BACKUP_TIMESTAMP}