fedora-OEMDRV/system_setup/configure.sh

#!/usr/bin/env bash
# configure.sh - Interactive first-time configuration wizard
#
# SPDX-FileCopyrightText: Daniel Pätzold
# SPDX-License-Identifier: AGPL-3.0-or-later

SCRIPTDIR="$(cd "$(dirname "$0")" && pwd)"
CONF_DIST="${SCRIPTDIR}/../config/setup_system.conf.dist"
CONF_FILE="${SCRIPTDIR}/../config.d/configure.conf"

if [[ "$EUID" -eq 0 ]]; then
    echo "ERROR: This script must not be run as root." >&2
    exit 1
fi

# Prompt for a single value; returns the old value unchanged if the user presses Enter.
prompt_value() {
    local name="$1" current="$2" new_val
    printf '  %-28s [%s]: ' "$name" "$current" >&2
    read -r new_val
    printf '%s' "${new_val:-$current}"
}

# Replace the first matching simple export line in configure.conf.
set_conf_var() {
    local varname="$1" value="$2"
    sed -i "s|^[[:space:]]*export ${varname}=.*|export ${varname}=\"${value}\"|" "$CONF_FILE"
}

# Update an existing bare "export VAR=…" line at the top level, or append one.
override_conf_var() {
    local varname="$1" value="$2"
    if grep -q "^export ${varname}=" "$CONF_FILE"; then
        sed -i "s|^export ${varname}=.*|export ${varname}=\"${value}\"|" "$CONF_FILE"
    else
        printf 'export %s="%s"\n' "$varname" "$value" >> "$CONF_FILE"
    fi
}

do_configure() {
    mkdir -p "$(dirname "$CONF_FILE")"
    cp "$CONF_DIST" "$CONF_FILE"

    # Source the dist defaults (unset computed vars first so they are re-evaluated).
    unset TLDOMAIN DOMAIN SERVERFQDN_IPA SERVERFQDN_NC CLIENTADMINGROUP \
          DECRYPTEDDATADIR ENCRYPTEDDATADIR IPAVAULTUSE IPAVAULTNAME HOSTNM FQDN
    # shellcheck disable=SC1090

    echo ""
    echo "=== System Configuration ==="
    echo "Press Enter to keep the current value, or type a new one."
    echo ""

    source "$CONF_FILE"
    VARS=("TLDOMAIN" "DOMAIN" "SERVERFQDN_IPA" "SERVERFQDN_NC" "CLIENTADMINGROUP" "IPAVAULTUSE" )
    for ELE in "${VARS[@]}"
    do
        new_ELE=$(prompt_value "${ELE}" "${!ELE}")
        set_conf_var "${ELE}" "${new_ELE}"
        source "$CONF_FILE"
    done

    echo ""
    echo "Configuration written to: ${CONF_FILE}"
}

while true; do
    do_configure

    echo ""
    echo "=== Testing: Nextcloud server ==="
    NC_STATUS=$(curl -fsSL "https://${SERVERFQDN_NC}/status.php" 2>/dev/null)
    if echo "$NC_STATUS" | grep -q '"installed":true'; then
        NC_VERSION=$(echo "$NC_STATUS" | grep -oP '(?<="versionstring":")[^"]+')
        echo "Nextcloud confirmed at ${SERVERFQDN_NC} (version ${NC_VERSION})."
    else
        echo ""
        echo "WARNING: '${SERVERFQDN_NC}' does not appear to be a valid Nextcloud server."
        echo "         Could not reach https://${SERVERFQDN_NC}/status.php or response was unexpected."
        read -rp "Start configuration again (a) or quit (q)? [a/q]: " ans
        if [[ "${ans,,}" == "q" ]]; then
            echo "Quitting."
            exit 1
        fi
        continue
    fi

    echo ""
    echo "=== Testing: FreeIPA server ==="
    IPA_CODE=$(curl -s -o /dev/null -w "%{http_code}" \
        "https://${SERVERFQDN_IPA}/ipa/session/json" 2>/dev/null)
    if [[ "$IPA_CODE" == "200" || "$IPA_CODE" == "401" ]]; then
        echo "FreeIPA server confirmed at ${SERVERFQDN_IPA}."
    else
        echo ""
        echo "WARNING: '${SERVERFQDN_IPA}' does not appear to be a valid FreeIPA server."
        echo "         https://${SERVERFQDN_IPA}/ipa/session/json returned: ${IPA_CODE:-no response}"
        read -rp "Start configuration again (a) or quit (q)? [a/q]: " ans
        if [[ "${ans,,}" == "q" ]]; then
            echo "Quitting."
            exit 1
        fi
        continue
    fi

    echo ""
    echo "=== Select Kickstart Profile ==="
    KS_DIR="${SCRIPTDIR}/../ks_base_profiles"
    KS_DEST="${SCRIPTDIR}/../ks.cfg"

    mapfile -t KS_FILES < <(find "$KS_DIR" -maxdepth 1 -name "*.cfg" | sort)
    if [[ ${#KS_FILES[@]} -eq 0 ]]; then
        echo "No kickstart profiles found in ${KS_DIR}."
        exit 1
    fi

    echo ""
    for i in "${!KS_FILES[@]}"; do
        desc=$(awk '/^$/{exit} {print}' "${KS_FILES[$i]}" \
               | sed 's/^#[[:space:]]*//' | tr '\n' ' ' | xargs)
        printf "  %d) %-36s %s\n" "$((i+1))" "$(basename "${KS_FILES[$i]}")" "$desc"
    done
    echo ""

    while true; do
        read -rp "Select profile [1-${#KS_FILES[@]}]: " sel
        [[ "$sel" =~ ^[0-9]+$ ]] && (( sel >= 1 && sel <= ${#KS_FILES[@]} )) && break
        echo "  Invalid selection, please enter a number between 1 and ${#KS_FILES[@]}."
    done

    cp "${KS_FILES[$((sel-1))]}" "$KS_DEST"
    echo "Copied '$(basename "${KS_FILES[$((sel-1))]}")' to ${KS_DEST}."

    echo ""
    echo "=== Configuration complete ==="
    echo "All values have been configured and verified successfully."
    echo "The system is now ready for the new installation."
    echo "Boot from the Fedora USB installer — Anaconda will detect the OEMDRV partition"
    echo "and run the Kickstart automatically."
    exit 0
done