Hass.io Local Add-on Reloader

speck

#!/bin/bash

readonly BACKUP_DIR=/backup/speck

usage() {
    echo "usage: $(basename "$0") addon_name" 2>&1
    exit 1
}

addon_install() {
    local addon="${1}"
    hassio addons install --name "${addon}"
}

addon_uninstall() {
  local addon="${1}"
    hassio addons uninstall --name "${addon}"
}

addon_reload() {
    hassio addons reload
}

addon_config_backup() {
    local addon="${1}"
    local backup_file
    local result
    local config
    local ex_code

    # Ensure backup directory exists
    if [[ ! -d "${BACKUP_DIR}" ]]; then
        mkdir -p "${BACKUP_DIR}"
    fi

    # Create backup file name
    backup_file="${BACKUP_DIR}/${addon}.json"

    # Get addon config from Hass.io
    result=$(hassio addons info --name "${addon}")
    ex_code="$?"

    # Check for exit code
    if [[ "${ex_code}" -ne 0 ]]; then
        echo "fail (${result})"
        return "${ex_code}"
    fi

    # Pull config from results
    config=$(jq --raw-output ".data.options // empty" <<< "${result}")

    # Test for empty config
    if [[ -z "${config}" ]]; then
        echo "fail (Empty config)"
        return 1
    fi

    # Save config to file
    echo "${config}" > "${backup_file}"
    echo "ok"
}

addon_config_restore() {
    local addon="${1}"
    local backup_file="${BACKUP_DIR}/${addon}.json"
    local config
    local options
    local ex_code

    # Check if backup file exists
    if [[ ! -f "${backup_file}" ]]; then
        echo "fail (Missing backup file)"
        return 1
    fi

    # Read backup file
    config=$(jq --compact-output "." "${backup_file}")
    options="{\"options\":${config}}"

    # Restore config
    curl -sS -X "POST" -H "X-HASSIO-KEY: ${HASSIO_TOKEN}" --data-binary "${options}" "http://hassio/addons/${addon}/options"
    ex_code="$?"

    echo
    return "${ex_code}"
}

main() {
    local addon="${1}"

    if [[ -z "${addon}" ]]; then
        usage
    fi

    echo -n "Backup config: "
    addon_config_backup "${addon}"

    echo -n "Uninstall ${addon}: "
    addon_uninstall "${addon}" || echo

    echo -n "Reload addons: "
    addon_reload || exit 1

    echo -n "Install ${addon}: "
    addon_install "${addon}" || exit 1

    echo -n "Restore config: "
    addon_config_restore "${addon}"
}

if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
    main "${@}"
fi