UpdateController/read_config

#!/bin/bash
# set -x

source ./log_helpers

if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
    readonly read_config_sourced=${BASH_SOURCE[0]}

    # read config file (JSON syntax)
    #
    read_config() {
        local func="${FUNCNAME[0]}"

        # check customer_id
        __customer_id="$(cat "$1" | jq -r .customer_id)"
        if [ -z "$__customer_id" ]; then 
            log_fatal "$func:${LINENO} customer_id not set in $1"
        fi
        readonly customer_id="customer_${__customer_id}"
        log_info "$func:${LINENO}: customer-id is $customer_id"
        
        # check customer_repository
        __repository_path="$(cat "$1" | jq -r .repository_path)"
        if [ -z "$__repository_path" ]; then 
            log_fatal "$func:${LINENO}: repository path not set in $1"
        fi
        readonly repository_path="${__repository_path}/${customer_id}.git"
        log_info "$func:${LINENO}: repository path is $repository_path"
        
        # check zone_group
        local zone_group="$(cat "$1" | jq -r .zone_group)"
        if [ -z "$zone_group" ]; then 
            log_fatal "$func:${LINENO}: zone_group not set in $1"
        fi
        
        # check zone
        local zone="$(cat "$1" | jq -r .zone)"
        if [ -z "$zone" ]; then 
            log_fatal "$func:${LINENO}: zone not set in $1"
        fi
        
        # check customer_location
        local customer_location=$(cat "$1" | jq -r .customer_location)
        if [ -z "$customer_location" ]; then 
            log_fatal "$func:${LINENO}: customer_location not set in $1"
        fi
        
        readonly working_directory="$(cat "$1" | jq -r .working_directory)"
        
        log_info "$func:${LINENO}: working_directory is $working_directory"
        
        readonly workspace_dir="$(cat "$1" | jq -r .workspace_dir)"

        local __customer_base_dir="$working_directory/${workspace_dir}"
        __customer_base_dir="${__customer_base_dir}/${customer_id}"
        __customer_base_dir="${__customer_base_dir}/${customer_location}"

        readonly customer_location_dir="$__customer_base_dir"
        
        log_info "$func:${LINENO}: customer-location-dir is $customer_location_dir"

        readonly update_conf="${customer_location_dir}/update.conf"
        log_info "$func:${LINENO}: update.conf at $update_conf"
        
        readonly current_conf="${customer_location_dir}/current.conf"
        log_info "$func:${LINENO}: current.conf at $current_conf"
        
        readonly customer_base_dir="${__customer_base_dir}/${zone_group}/${zone}"
        log_info "$func:${LINENO}: customer-base-dir is $customer_base_dir"

        readonly emp_conf="${customer_base_dir}/etc/psa_config/emp.conf"
        log_info "$func:${LINENO}: emp.conf at $emp_conf"
        
        readonly device_conf="${customer_base_dir}/etc/psa_config/device.conf"
        log_info "$func:${LINENO}: device.conf at $device_conf"
        
        readonly printer_conf="${customer_base_dir}/etc/psa_config/printer.conf"
        log_info "$func:${LINENO}: device.conf at $printer_conf"

        readonly opkg_cmds_file="${customer_base_dir}/etc/psa_update/opkg_commands"
        log_info "$func:${LINENO}: opkg_cmds_file at $opkg_cmds_file"

        return 0
    }
    # read_config UpdateController.conf
fi