UpdateController/read_config

#!/bin/bash
# set -x

#if [ ${read_config_sourced:-1} = "1" ]; then
#    readonly read_config_sourced=${BASH_SOURCE[0]}
#else
#    return 0
#fi

# source ./log_helpers

# 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_base_dir="${__customer_base_dir}/${zone_group}/${zone}"
    log_info "$func:${LINENO}: customer-base-dir is $customer_base_dir"

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

    return 0
}

# read_config UpdateController.conf