UpdateController/read_config

#! /bin/bash -
# set -x

source ./log_helpers
source ./general_utils

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

    readonly DATEFLAGS="+%Y.%m.%dT%H.%M.%S"
    readonly STRIPCOMMENTS='sed -e s/#.*$//g'
    readonly STRIPWHITESPACE='sed -E -e s/^[[:space:]]*$//g'
    readonly INDENT="awk '{ print \"\t\t\t\" \$0 }'"
    readonly JOINLINES="tr '\n' '\040'"

    readonly UPDATEPSAHOME=$HOME/.updatepsa

    readonly UPDATEPSABEGIN=./.updatepsa/begin
    readonly UPDATEPSAEND=./.updatepsa/end

    # name of file containing the logs following a 'git pull':
    # basically, there are two kinds of entries:
    readonly GIT_UPDATE_LOG=/opt/app/tools/atbupdate/update_log.csv

    readonly PROGRAM=`basename $0`
    readonly WORKSPACE_DIR=workspace

    EXITCODE=$RC_SUCCESS
    INITIAL_CLONE=false
    APISM_RUNNING=0

    # read config file (JSON syntax)
    read_config() {
        local func="${FUNCNAME[0]}"
    
        CONFIGFILENAME=${CONFIGFILENAME:-'update_psa.conf'}

        if ! [ -f "$CONFIGFILENAME" ]; then
            log_fatal "$func:${LINENO}: $CONFIGFILENAME not found"
        fi

        log_debug "$func:${LINENO}: CONFIGFILENAME=$CONFIGFILENAME"
        log_debug "$func:${LINENO}: WORKING_DIRECTORY=$WORKING_DIRECTORY"
        
        local readonly cf="$CONFIGFILENAME"

        readonly GIT_SSL_NO_VERIFY="$(cat "$cf" | jq -r .GIT_SSL_NO_VERIFY)"
        assert_s GIT_SSL_NO_VERIFY

        readonly CUSTOMER_LOCATION=$(cat "$cf" | jq -r .customer_location)
        assert_s CUSTOMER_LOCATION

        readonly CUSTOMER_ID="$(cat "$cf" | jq -r .customer_id)"
        assert_s CUSTOMER_ID
        
        readonly CUSTOMER_REPOSITORY_PATH="$(cat "$cf" |
                                             jq -r .cust_repository_path)"
        assert_s CUSTOMER_REPOSITORY_PATH
        
        local __customer_id_base_dir="$WORKING_DIRECTORY/${WORKSPACE_DIR}"
        readonly CUSTOMER_ID_BASE_DIR="${__customer_id_base_dir}/${CUSTOMER_ID}"

        local __number_of_zone_groups=$(cat "$cf"    | 
                                        jq -r .zg[0] |
                                        sed -E -e 's/[[:space:]]*//g')
        # TODO: was ist hier falsch
        # __n_of_zgroups=$(echo "$__n_of_zgrps" | ${STRIPWHITESPACE} )
        # log_debug "$func:${LINENO}: #n of zone_groups: $__number_of_zone_groups"

        local __zone_groups=($__number_of_zone_groups)
        for zg in `seq 1 $__number_of_zone_groups`; do
            local __n_zones=$(cat "$cf"        |
                              jq -r .zg[$zg].z |
                              sed -E -e 's/[][,[:space:]]*//g') # rm ][ as well
            __zone_groups[$zg]=$__n_zones
        done

        readonly ZONE_GROUPS=(${__zone_groups[@]})
        assert_a ZONE_GROUPS
        
        # TODO
        # TODO: falls mehrere gruppen/zonen auftauchen hier anpassen
        # TODO
        # Zone aus /etc/zone_nr auslesen
        #
        readonly ZONE_GROUP=1
        local __zone=1
        readonly ZONE_FILE="$(cat "$cf" | jq -r .zone)"
        if [ -f "$ZONE_FILE" ]; then
            __zone=$(cat "$ZONE_FILE")
            __zone=$((__zone))
        fi

        readonly ZONE=$__zone
        readonly LOCAL_BRANCH="$(cat "$cf" | jq -r .local_branches[$ZONE])"

        if [ -z "$WORKING_DIRECTORY" ]; then
            log_fatal "${func}:${LINENO}: empty WORKING_DIRECTORY"
        fi
        if ! cd "$WORKING_DIRECTORY"; then
            log_fatal "${func}:${LINENO}: cannot cd to $WORKING_DIRECTORY"
        fi
        log_debug "${func}:${LINENO}: cd to $WORKING_DIRECTORY"
        return 0
    }
###############################################################################
########################## parsing with jq finished ###########################
###############################################################################
    compute_hash () {
        if cd_customer_repository; then
            local hash=""
            if [[ -z "$1" ]]; then
                hash=$(git log -n 1 --pretty=format:%H)
            else
                hash=$(git hash-object "$1")
            fi
            cd_home ; echo ${hash:0:10}   # return the first 10 hex characters
            return 0
        fi
        return 1
    }

    compute_version () {
        VERSION="$MAJOR.$MINOR.$PATCH+$CUSTOMER_LOCATION-$(compute_hash)"
        cd_home; return 0
        return 1
    }

    check_sanity_of_repository () {
        local func="${FUNCNAME[0]}"
        
        if [ "$PWD" != "$WORKING_DIRECTORY" ]; then
            log_fatal "$func:${LINENO} PD != WD ($PWD != $WORKING_DIRECTORY)"
        fi
	
        assert_d CUSTOMER_ID_BASE_DIR
        
        CUSTOMER_LOCATION_DIR="$CUSTOMER_ID_BASE_DIR"
        #CUSTOMER_LOCATION_DIR="${CUSTOMER_ID_BASE_DIR}/${CUSTOMER_LOCATION}"
        #CUST_LOC_DIR=$CUSTOMER_LOCATION_DIR
        assert_d CUSTOMER_LOCATION_DIR
        
        # readonly zone_groups=(${__zone_groups[@]})
        # by now (03.03.2023) there is only one zone group.
        #readonly local __zgroup=1
        #local __number_of_zone_groups=${ZONE_GROUPS[0]}
        #local __zindex=1
        #local __customer_base_dirs=("placeholder")
        #for __zg in `seq 1 $__number_of_zone_groups`; do
        #    local __n_of_zones=${ZONE_GROUPS[$__zindex]}
        #    log_debug "$func:${LINENO}: zgroup $__zg has $__n_of_zones zones"
        #    for (( j=1; j<=$__n_of_zones; ++j)); do
        #        __customer_base_dirs+=("${CUSTOMER_LOCATION_DIR}/$__zgroup/$j")
        #        log_debug "$func:${LINENO}: zone $j"
        #        ((++__zindex))
        #    done
        #done

        # for szeged: 
        # placeholder
        # /home/root/szeged/UpdateController/workspace/customer_281/szeged/1/1
        # /home/root/szeged/UpdateController/workspace/customer_281/szeged/1/2
        # /home/root/szeged/UpdateController/workspace/customer_281/szeged/1/3
        # readonly CUST_BASE_DIRS=(${__customer_base_dirs[@]})
        # assert_a CUST_BASE_DIRS
        
        readonly CUST_BASE_DIR="$CUSTOMER_ID_BASE_DIR"
        #readonly CUST_BASE_DIR="${CUST_BASE_DIRS[$ZONE]}"
        #assert_d CUST_BASE_DIR
    
        readonly              ETC_SYS_DIR="/etc" 
        readonly              ATB_SYS_DIR="/etc/atb" 
        readonly               DC_SYS_DIR="/etc/dc"
        readonly           TARIFF_SYS_DIR="/etc/psa_tariff"
        readonly             OPKG_SYS_DIR="/etc/psa_update"
        readonly             CONF_SYS_DIR="/etc/psa_config"
        readonly              OPT_SYS_DIR="/opt" 
        readonly              APP_SYS_DIR="/opt/app" 
        readonly        SYSCONFIG_SYS_DIR="/opt/app/sysconfig" 
        readonly           ATBAPP_SYS_DIR="/opt/app/ATBAPP"
        readonly         ISMASMGR_SYS_DIR="/opt/app/ISMASMgr"
        
        readonly              ETC_PSA_DIR=${CUST_BASE_DIR}${ETC_SYS_DIR}
        readonly              ATB_PSA_DIR=${CUST_BASE_DIR}${ATB_SYS_DIR}
        readonly               DC_PSA_DIR=${CUST_BASE_DIR}${DC_SYS_DIR}
        readonly           TARIFF_PSA_DIR=${CUST_BASE_DIR}${TARIFF_SYS_DIR}
        readonly             OPKG_PSA_DIR=${CUST_BASE_DIR}${OPKG_SYS_DIR}
        readonly             CONF_PSA_DIR=${CUST_BASE_DIR}${CONF_SYS_DIR}
        readonly              OPT_PSA_DIR=${CUST_BASE_DIR}${OPT_SYS_DIR}
        readonly              APP_PSA_DIR=${CUST_BASE_DIR}${APP_SYS_DIR}
        readonly           ATBAPP_PSA_DIR=${CUST_BASE_DIR}${ATBAPP_SYS_DIR}
        readonly        SYSCONFIG_PSA_DIR=${CUST_BASE_DIR}${SYSCONFIG_SYS_DIR} 
        readonly         ISMASMGR_PSA_DIR=${CUST_BASE_DIR}${ISMASMGR_SYS_DIR}
        
        readonly                ATBQT_BIN="ATBQT"
        readonly                ATBQT_INI="ATBQT.ini"
        readonly             ISMASMGR_INI="ISMASMgr.ini"
        readonly              SYSCONF_INI="sysconfig.ini"
        readonly              SYSCTRL_INI="SystemControl.ini"
        readonly                       DC="dc2c.bin"
        
        readonly           DC_SYS_DC_FILE="${DC_SYS_DIR}/$DC"
        readonly   ATBQT_ATB_SYS_BIN_FILE="${ATBAPP_SYS_DIR}/$ATBQT_BIN"
        readonly   ATBQT_ATB_SYS_INI_FILE="${ATB_SYS_DIR}/$ATBQT_INI"
        readonly   ATBQT_APP_SYS_INI_FILE="${ATBAPP_SYS_DIR}/$ATBQT_INI"
        readonly   ATBQT_ETC_SYS_INI_FILE="${ETC_SYS_DIR}/$ATBQT_INI"
        readonly ISMASMGRATB_SYS_INI_FILE="${ATB_SYS_DIR}/$ISMASMGR_INI"
        readonly ISMASMGRAPP_SYS_INI_FILE="${ISMASMGR_SYS_DIR}/$ISMASMGR_INI"
        readonly ISMASMGRETC_SYS_INI_FILE="${ETC_SYS_DIR}/$ISMASMGR_INI"
        readonly ISMASMGRSCF_SYS_INI_FILE="${SYSCONFIG_SYS_DIR}/$ISMASMGR_INI"
        readonly SYSCONF_ETC_SYS_INI_FILE="${ETC_SYS_DIR}/$SYSCONF_INI"
        readonly SYSCONF_ATB_SYS_INI_FILE="${ATB_SYS_DIR}/$SYSCONF_INI"
        readonly SYSCONF_SCF_SYS_INI_FILE="${SYSCONFIG_SYS_DIR}/$SYSCONF_INI"
        readonly SYSCTRL_ETC_SYS_INI_FILE="${ETC_SYS_DIR}/$SYSCTRL_INI"
        readonly SYSCTRL_ATB_SYS_INI_FILE="${ATB_SYS_DIR}/$SYSCTRL_INI"
        readonly SYSCTRL_SCF_SYS_INI_FILE="${SYSCONFIG_SYS_DIR}/$SYSCTRL_INI"
        # readonly                ZONE_FILE="$ETC_SYS_DIR/zone_nr"
        readonly             CUST_ID_FILE="$ETC_SYS_DIR/cust_nr"
        readonly       OPKG_CMDS_SYS_FILE="${OPKG_SYS_DIR}/opkg_commands"
        readonly     DC2C_SYS_SERIAL_JSON="${CONF_SYS_DIR}/DC2C_serial.json"
        readonly       DC2C_SYS_CASH_JSON="${CONF_SYS_DIR}/DC2C_cash.json"
        readonly       DC2C_SYS_CONF_JSON="${CONF_SYS_DIR}/DC2C_conf.json"
        readonly           DC_PSA_DC_FILE="${DC_PSA_DIR}/$DC"

        readonly   ATBQT_ATB_PSA_INI_FILE="${ATB_PSA_DIR}/$ATBQT_INI"
        readonly   ATBQT_APP_PSA_INI_FILE="${ATBAPP_PSA_DIR}/$ATBQT_INI"
        readonly   ATBQT_ETC_PSA_INI_FILE="${ETC_PSA_DIR}/$ATBQT_INI"
        readonly ISMASMGRATB_PSA_INI_FILE="${ATB_PSA_DIR}/$ISMASMGR_INI"
        readonly ISMASMGRAPP_PSA_INI_FILE="${ISMASMGR_PSA_DIR}/$ISMASMGR_INI"
        readonly ISMASMGRETC_PSA_INI_FILE="${ETC_PSA_DIR}/$ISMASMGR_INI"
        readonly ISMASMGRSCF_PSA_INI_FILE="${SYSCONFIG_PSA_DIR}/$ISMASMGR_INI"
        readonly SYSCONF_ETC_PSA_INI_FILE="${ETC_PSA_DIR}/$SYSCONF_INI"
        readonly SYSCONF_ATB_PSA_INI_FILE="${ATB_PSA_DIR}/$SYSCONF_INI"
        readonly SYSCONF_SCF_PSA_INI_FILE="${SYSCONFIG_PSA_DIR}/$SYSCONF_INI"
        readonly SYSCTRL_ETC_PSA_INI_FILE="${ETC_PSA_DIR}/$SYSCTRL_INI"
        readonly SYSCTRL_ATB_PSA_INI_FILE="${ATB_PSA_DIR}/$SYSCTRL_INI"
        readonly SYSCTRL_SCF_PSA_INI_FILE="${SYSCONFIG_PSA_DIR}/$SYSCTRL_INI"
        readonly       OPKG_CMDS_PSA_FILE="${OPKG_PSA_DIR}/opkg_commands"
        # readonly          PSA_UPDATE_CONF="${CUSTOMER_LOCATION_DIR}/update.conf"
        readonly     DC2C_PSA_SERIAL_JSON="${CONF_PSA_DIR}/DC2C_serial.json"
        readonly       DC2C_PSA_CASH_JSON="${CONF_PSA_DIR}/DC2C_cash.json"
        readonly       DC2C_PSA_CONF_JSON="${CONF_PSA_DIR}/DC2C_conf.json"

        assert_d ETC_SYS_DIR
        assert_d ATB_SYS_DIR
        assert_d DC_SYS_DIR
        assert_d TARIFF_SYS_DIR
        assert_d OPKG_SYS_DIR
        assert_d CONF_SYS_DIR
        assert_d OPT_SYS_DIR
        assert_d APP_SYS_DIR
        assert_d ATBAPP_SYS_DIR
        assert_d SYSCONFIG_SYS_DIR
        assert_d ISMASMGR_SYS_DIR
        
        assert_d ETC_PSA_DIR
        assert_d ATB_PSA_DIR
        assert_d DC_PSA_DIR
        assert_d TARIFF_PSA_DIR
        assert_d OPKG_PSA_DIR
        assert_d CONF_PSA_DIR
        assert_d OPT_PSA_DIR
        assert_d APP_PSA_DIR
        assert_d ATBAPP_PSA_DIR
        assert_d SYSCONFIG_PSA_DIR
        assert_d ISMASMGR_PSA_DIR
        
        assert_f DC_SYS_DC_FILE
        assert_f ZONE_FILE
        assert_f CUST_ID_FILE
        assert_f ATBQT_ATB_SYS_BIN_FILE
        assert_f ATBQT_ATB_SYS_INI_FILE
        assert_f ATBQT_APP_SYS_INI_FILE
        assert_f ATBQT_ETC_SYS_INI_FILE
        assert_f ISMASMGRATB_SYS_INI_FILE
        assert_f ISMASMGRAPP_SYS_INI_FILE
        assert_f ISMASMGRETC_SYS_INI_FILE
        assert_f ISMASMGRSCF_SYS_INI_FILE
        assert_f SYSCONF_ETC_SYS_INI_FILE
        assert_f SYSCONF_ATB_SYS_INI_FILE
        assert_f SYSCONF_SCF_SYS_INI_FILE
        assert_f SYSCTRL_ETC_SYS_INI_FILE
        assert_f SYSCTRL_ATB_SYS_INI_FILE
        assert_f SYSCTRL_SCF_SYS_INI_FILE
        assert_f OPKG_CMDS_SYS_FILE
        assert_f DC2C_SYS_CONF_JSON
        assert_f DC2C_SYS_SERIAL_JSON
        assert_f DC2C_SYS_CASH_JSON
        
        assert_f DC_PSA_DC_FILE
        assert_f ATBQT_ATB_PSA_INI_FILE
        assert_f ATBQT_APP_PSA_INI_FILE
        assert_f ATBQT_ETC_PSA_INI_FILE
        assert_f ISMASMGRATB_PSA_INI_FILE
        assert_f ISMASMGRAPP_PSA_INI_FILE
        assert_f ISMASMGRETC_PSA_INI_FILE
        assert_f ISMASMGRSCF_PSA_INI_FILE
        assert_f SYSCONF_ETC_PSA_INI_FILE
        assert_f SYSCONF_ATB_PSA_INI_FILE
        assert_f SYSCONF_SCF_PSA_INI_FILE
        assert_f SYSCTRL_ETC_PSA_INI_FILE
        assert_f SYSCTRL_ATB_PSA_INI_FILE
        assert_f SYSCTRL_SCF_PSA_INI_FILE
        # assert_f PSA_UPDATE_CONF
        assert_f OPKG_CMDS_PSA_FILE
        assert_f DC2C_PSA_CONF_JSON
        assert_f DC2C_PSA_SERIAL_JSON
        assert_f DC2C_PSA_CASH_JSON
        assert_f OPKG_CMDS_PSA_FILE

        readonly KNOWN_SYS_DIRS=($ETC_SYS_DIR
                                 $ATB_SYS_DIR
                                 $DC_SYS_DIR 
                                 $TARIFF_SYS_DIR
                                 $OPKG_SYS_DIR
                                 $CONF_SYS_DIR
                                 $OPT_SYS_DIR
                                 $APP_SYS_DIR
                                 $ATBAPP_SYS_DIR
                                 $SYSCONFIG_SYS_DIR)
        
        readonly KNOWN_PSA_DIRS=($ETC_PSA_DIR
                                 $ATB_PSA_DIR
                                 $DC_PSA_DIR 
                                 $TARIFF_PSA_DIR
                                 $OPKG_PSA_DIR
                                 $CONF_PSA_DIR
                                 $OPT_PSA_DIR
                                 $APP_PSA_DIR
                                 $ATBAPP_PSA_DIR
                                 $SYSCONFIG_PSA_DIR)
        
        local DC2C_PRINT_JSON=()
        for i in {1..32}; do    # up to 32 print-json-files
            local __f=${CONF_PSA_DIR}/DC2C_print$(printf "%02d" $i).json
            readonly DC2C_PRINT$(printf "%02d" $i)_JSON=$__f
            assert_f DC2C_PRINT$(printf "%02d" $i)_JSON
            DC2C_PRINT_JSON+=($__f)
        done
        
        local TARIFF_FILES_JSON=()
        for i in {1..32}; do    # up to 32 tariff-json-files
            local __f=${TARIFF_PSA_DIR}/tariff$(printf "%02d" $i).json
            readonly TARIFF$(printf "%02d" $i)_JSON=$__f
            assert_f TARIFF$(printf "%02d" $i)_JSON
            TARIFF_FILES_JSON+=($__f)
        done

        readonly KNOWN_CONF_FILES=(${DC2C_PRINT_JSON[@]##*${CUSTOMER_ID}/}    \
                                   ${DC2C_PSA_CONF_JSON##*${CUSTOMER_ID}/}    \
                                   ${DC2C_PSA_CASH_JSON##*${CUSTOMER_ID}/}    \
                                   ${DC2C_PSA_SERIAL_JSON##*${CUSTOMER_ID}/})
        
        readonly KNOWN_TARIFF_FILES=(${TARIFF_FILES_JSON[@]##*${CUSTOMER_ID}/})

        readonly KNOWN_INI_FILES=(${ATBAPP_PSA_INI_FILE##*${CUSTOMER_ID}/}    \
                      ${ISMASMGRATB_PSA_INI_FILE##*${CUSTOMER_ID}/}           \
                      ${ISMASMGRAPP_PSA_INI_FILE##*${CUSTOMER_ID}/}           \
                      ${ISMASMGRETC_PSA_INI_FILE##*${CUSTOMER_ID}/}           \
                      ${ISMASMGRSCF_PSA_INI_FILE##*${CUSTOMER_ID}/}           \
                      ${SYSCONF_ETC_PSA_INI_FILE##*${CUSTOMER_ID}/}           \
                      ${SYSCONF_ATB_PSA_INI_FILE##*${CUSTOMER_ID}/}           \
                      ${SYSCONF_SCF_PSA_INI_FILE##*${CUSTOMER_ID}/}           \
                      ${SYSCTRL_ETC_PSA_INI_FILE##*${CUSTOMER_ID}/}           \
                      ${SYSCTRL_ATB_PSA_INI_FILE##*${CUSTOMER_ID}/}           \
                      ${SYSCTRL_SCF_PSA_INI_FILE##*${CUSTOMER_ID}/}           \
                      ${ATBQT_ATB_PSA_INI_FILE##*${CUSTOMER_ID}/}             \
                      ${ATBQT_APP_PSA_INI_FILE##*${CUSTOMER_ID}/}             \
                      ${ATBQT_ETC_PSA_INI_FILE##*${CUSTOMER_ID}/})
        
        readonly KNOWN_FILES=(${KNOWN_CONF_FILES[@]}                          \
                              ${KNOWN_INI_FILES[@]}                           \
                              ${KNOWN_TARIFF_FILES[@]}                        \
                              ${DC_PSA_DC_FILE##*${CUSTOMER_ID}/}             \
                              ${OPKG_CMDS_PSA_FILE##*${CUSTOMER_ID}/})

        # log_debug "known json/ini/hex_files ->"
        # for (( i=0; i < ${#KNOWN_FILES[@]}; ++i )); do
        #    tab=$'\t'
        #    log_debug "$tab$tab ${KNOWN_FILES[$i]}"
        # done
        log_debug "sanity of ${CUSTOMER_REPOSITORY_PATH} OK"
        
        # compute version string for current (i.e. previous) version
        compute_version

        return 0
    }
fi