#!/bin/bash
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

# Save trace setting
XTRACE=$(set +o | grep xtrace)
set +o xtrace

function install_etcd_data_store {

    if [ ! -f "$DEST/etcd/etcd-v2.1.1-linux-amd64/etcd" ]; then
        echo "Installing etcd server"
        mkdir $DEST/etcd
        wget https://github.com/coreos/etcd/releases/download/v2.1.1/etcd-v2.1.1-linux-amd64.tar.gz -O $DEST/etcd/etcd-v2.1.1-linux-amd64.tar.gz
        tar xzvf $DEST/etcd/etcd-v2.1.1-linux-amd64.tar.gz -C $DEST/etcd
    fi
}

# main loop
if is_service_enabled kuryr; then
    if [[ "$1" == "stack" && "$2" == "install" ]]; then
        install_etcd_data_store
        setup_develop $KURYR_HOME

    elif [[ "$1" == "stack" && "$2" == "post-config" ]]; then

        if [[ ! -d "${KURYR_JSON_DIR}" ]]; then
            echo -n "${KURYR_JSON_DIR} directory is missing. Creating it... "
            sudo mkdir -p ${KURYR_JSON_DIR}
            echo "Done"
        fi

        if [[ ! -f "${KURYR_JSON}" ]]; then
             echo -n "${KURYR_JSON} is missing. Copying the default one... "
             sudo cp ${KURYR_DEFAULT_JSON} ${KURYR_JSON}
             echo "Done"
        fi

        run_process etcd-server "$DEST/etcd/etcd-v2.1.1-linux-amd64/etcd"

        wget http://get.docker.com -O install_docker.sh
        sudo chmod 777 install_docker.sh
        sudo sh install_docker.sh
        sudo rm install_docker.sh

        sudo killall docker
        run_process docker-engine "sudo /usr/bin/docker daemon --cluster-store etcd://localhost:4001"
        run_process kuryr "sudo PYTHONPATH=$PYTHONPATH:$DEST/kuryr SERVICE_USER=admin SERVICE_PASSWORD=$SERVICE_PASSWORD SERVICE_TENANT_NAME=admin SERVICE_TOKEN=$SERVICE_TOKEN IDENTITY_URL=http://127.0.0.1:5000/v2.0 python $DEST/kuryr/scripts/run_server.py"
    fi

    if [[ "$1" == "unstack" ]]; then
        stop_process kuryr
        stop_process etcd-server
        stop_process docker-engine
    fi
fi

# Restore xtrace
$XTRACE