#!/bin/bash

set -o xtrace

# mount_external_partition() - Create partition and mount the external volume
function mount_external_partition {
    cat <<EOL > /tmp/asdc_ext_volume_partitions.txt
# partition table of /dev/sdb
unit: sectors

/dev/sdb1 : start=     2048, size=209713152, Id=83
/dev/sdb2 : start=        0, size=        0, Id= 0
/dev/sdb3 : start=        0, size=        0, Id= 0
/dev/sdb4 : start=        0, size=        0, Id= 0
EOL
    sfdisk --force /dev/sdb < /tmp/asdc_ext_volume_partitions.txt
    mkfs -t ext4 /dev/sdb1
    mkdir -p /data
    mount /dev/sdb1 /data
    echo "/dev/sdb1  /data           ext4    errors=remount-ro,noatime,barrier=0 0       1" >> /etc/fstab
}

# init_data_folders() - Function that initialize the data folders
function init_data_folders {
    mkdir -p /data/environments
    mkdir -p /data/scripts
    mkdir -p /data/logs/BE
    mkdir -p /data/logs/FE
    chmod 777 /data
    chmod 777 /data/logs/BE
    chmod 777 /data/logs/FE
}

# setup_docker_aliases() - Function that setups the aliases required by sdc scripts
function setup_docker_aliases {
    cat <<EOL > /root/.bash_aliases
alias dcls='/data/scripts/docker_clean.sh \$1'
alias dlog='/data/scripts/docker_login.sh \$1'
alias rund='/data/scripts/docker_run.sh'
alias health='/data/scripts/docker_health.sh'
EOL
}

# install_sdc() - Function that pull templates and executes
function install_sdc {
    IP_ADDRESS=$(ifconfig eth0 | grep "inet addr" | tr -s ' ' | cut -d' ' -f3 | cut -d':' -f2)
    local ENV_NAME=$dmaap_topic
    local MR_IP_ADDR='10.0.11.1'
    local RELEASE=$docker_version
    NEXUS_DOCKER_PORT=$(echo $nexus_docker_repo | cut -d':' -f2)
    local src_folder=/opt/sdc
    clone_repo sdc $src_folder
    if [[ "$build_image" == "True" ]]; then
        compile_src $src_folder
        build_docker_image $src_folder/sdc-os-chef
    fi
    cp $src_folder/sdc-os-chef/environments/Template.json /data/environments
    cp $src_folder/sdc-os-chef/scripts/docker_run.sh /data/scripts
    cp $src_folder/sdc-os-chef/scripts/docker_health.sh /data/scripts
    chmod +x /data/scripts/docker_run.sh
    chmod +x /data/scripts/docker_health.sh

    cat /data/environments/Template.json | sed "s/yyy/"$IP_ADDRESS"/g" > /data/environments/$ENV_NAME.json
    sed -i "s/xxx/"$ENV_NAME"/g" /data/environments/$ENV_NAME.json
    sed -i "s/\"ueb_url_list\":.*/\"ueb_url_list\": \""$MR_IP_ADDR","$MR_IP_ADDR"\",/g" /data/environments/$ENV_NAME.json
    sed -i "s/\"fqdn\":.*/\"fqdn\": [\""$MR_IP_ADDR"\", \""$MR_IP_ADDR"\"]/g" /data/environments/$ENV_NAME.json

    is_package_installed docker-ce || install_docker
    docker login -u $nexus_username -p $nexus_password $nexus_docker_repo
    bash /data/scripts/docker_run.sh -e $ENV_NAME -r $RELEASE -p $NEXUS_DOCKER_PORT
}

# init_sdc() - Function that initialize SDC services
function init_sdc {
    mount_external_partition
    init_data_folders
    setup_docker_aliases
    install_sdc
}