pre-release

#!/usr/bin/env bash
set -e; [[ $DOKKU_TRACE ]] && set -x

APP="$1"
PLUGIN_NAME="elasticsearch"
CONTAINER_NAME="${PLUGIN_NAME}_${APP}"
HOST_DIR="$DOKKU_ROOT/$APP/$PLUGIN_NAME"
ENVVAR_NAME="ELASTICSEARCH_URL"

# Check if an existing DB volume exists
if [[ -d $HOST_DIR ]]; then
    # Check if Elasticsearch container is installed
    IMAGE=$(docker images | grep "elasticsearch" | awk '{print $3}')
    if [[ -z $IMAGE ]]; then
        echo "Elasticsearch image not found... Did you run 'dokku plugins-install' ?"
        exit 1
    fi

    echo -n "-----> Checking status of elasticsearch... "
    CONTAINER_ID=$(docker ps | grep "$CONTAINER_NAME" | awk '{print $1}')
    # If the elasticsearch container is stopped, start it, before the application is deployed
    if [[ -z "$CONTAINER_ID" ]]; then
        echo "stopped."

        VOLUME="$HOST_DIR:/usr/share/elasticsearch/data"

        # Launch container
        echo -n "       Launching elasticsearch... "
        # remove stopped container if any
        CONTAINER_ID=$(docker ps -a | grep "$CONTAINER_NAME" | awk '{print $1}')
        if [[ ! -z "$CONTAINER_ID" ]]; then
            docker rm $CONTAINER_ID >/dev/null
        fi
        CWD=$(cd $(dirname $0); pwd)
        CONFIG="$CWD/config:/usr/share/elasticsearch/config"
        docker run -v $VOLUME -v $CONFIG --name=$CONTAINER_NAME -d elasticsearch:latest >/dev/null
        echo "started."
    else
        echo "ok."
    fi
fi