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[185.136.64.228]) by gmr-mx.google.com with ESMTPS id d75a77b69052e-50fbe8b5d39si6680961cf.4.2026.04.26.23.40.00 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 26 Apr 2026 23:40:00 -0700 (PDT) Received-SPF: pass (google.com: domain of fm-1328757-202604270639584cea3f4a0b00020755-xtyvbq@rts-flowmailer.siemens.com designates 185.136.64.228 as permitted sender) client-ip=185.136.64.228; Received: by mta-64-228.siemens.flowmailer.net with ESMTPSA id 202604270639584cea3f4a0b00020755 for ; Mon, 27 Apr 2026 08:39:59 +0200 From: "'Kasturi shekar' via isar-users" To: isar-users@googlegroups.com Cc: "kasturi.shekar" Subject: [PATCH 2/4] installer: extract attended UI to installer_ui.sh Date: Mon, 27 Apr 2026 12:09:54 +0530 Message-ID: <20260427063957.603123-3-kasturi.shekar@siemens.com> In-Reply-To: <20260427063957.603123-1-kasturi.shekar@siemens.com> References: <20260427063957.603123-1-kasturi.shekar@siemens.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Flowmailer-Platform: Siemens Feedback-ID: 519:519-1328757:519-21489:flowmailer X-Original-Sender: kasturi.shekar@siemens.com X-Original-Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@siemens.com header.s=fm2 header.b=Oou6e1m4; spf=pass (google.com: domain of fm-1328757-202604270639584cea3f4a0b00020755-xtyvbq@rts-flowmailer.siemens.com designates 185.136.64.228 as permitted sender) smtp.mailfrom=fm-1328757-202604270639584cea3f4a0b00020755-XTYvBq@rts-flowmailer.siemens.com; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=siemens.com X-Original-From: Kasturi shekar Reply-To: Kasturi shekar Precedence: list Mailing-list: list isar-users@googlegroups.com; contact isar-users+owners@googlegroups.com List-ID: X-Spam-Checked-In-Group: isar-users@googlegroups.com X-Google-Group-Id: 914930254986 List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , X-Spam-Status: No, score=-4.9 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,RCVD_IN_RP_CERTIFIED, RCVD_IN_RP_RNBL,RCVD_IN_RP_SAFE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on shymkent.ilbers.de X-TUID: V0OT4Sk9uGij From: "kasturi.shekar" Move attended dialog interactions into installer_ui.sh The new UI module provides: - image selection menu - target device selection menu - install and overwrite confirmation dialogs - error and info dialogs - attended progress gauge hooks Signed-off-by: kasturi.shekar --- .../files/usr/bin/installer_ui.sh | 217 +++++++++++++----- 1 file changed, 161 insertions(+), 56 deletions(-) mode change 100755 =3D> 100644 meta-isar/recipes-installer/deploy-image/fi= les/usr/bin/installer_ui.sh diff --git a/meta-isar/recipes-installer/deploy-image/files/usr/bin/install= er_ui.sh b/meta-isar/recipes-installer/deploy-image/files/usr/bin/installer= _ui.sh old mode 100755 new mode 100644 index 33685c6f..9d3ba5de --- a/meta-isar/recipes-installer/deploy-image/files/usr/bin/installer_ui.s= h +++ b/meta-isar/recipes-installer/deploy-image/files/usr/bin/installer_ui.s= h @@ -1,86 +1,191 @@ #!/usr/bin/env bash +# This software is a part of ISAR. +# Copyright (C) Siemens AG, 2026 # -# installer_ui.sh =E2=80=94 Attended installer frontend -# ------------------------------------------------ +# SPDX-License-Identifier: MIT =20 -SCRIPT_DIR=3D"$(CDPATH=3D cd -- "$(dirname -- "$0")" && pwd)" -INSTALL_DATA=3D${INSTALL_DATA:-./install} +#-------------------------------------------------------------------------= - +# installer_ui.sh - Frontend/UI helpers for isar installer. +# +# This file is intentionally UI-only: +# - dialog menus and message boxes +# - attended confirmations +# - user abort countdown handling +#-------------------------------------------------------------------------= - +UI_GAUGE_PID=3D"" + +#-------------------------------------------------------------------------= - +# ui_show_error +# +# Displays an error dialog in attended mode. +#-------------------------------------------------------------------------= - +ui_show_error() { + local message=3D"$1" + dialog --msgbox "$message" 6 60 +} =20 -# Backend APIs -. "$SCRIPT_DIR/sys_api.sh" +#-------------------------------------------------------------------------= - +# ui_show_info +# +# Displays an informational dialog in attended mode. +#-------------------------------------------------------------------------= - +ui_show_info() { + local message=3D"$1" + dialog --msgbox "$message" 6 60 +} + +#-------------------------------------------------------------------------= - +# ui_countdown_allow_attended_switch +# +# In unattended mode, this gives users a chance to switch to attended +# mode by pressing any key. Returns 0 when attended mode should be +# used, and 1 otherwise. +#-------------------------------------------------------------------------= - +ui_countdown_allow_attended_switch() { + local timeout=3D"$1" + local abort_file=3D"$2" + local i + + # Countdown loop prints a message once per second and accepts a key pr= ess. + # If any key is pressed, create the abort trigger file for the caller. + for ((i=3Dtimeout; i>0; i--)); do + echo -ne "\rUnattended installation will start in $i seconds. Pres= s any key to switch to attended mode..." + + if [ -f "$abort_file" ] || read -n 1 -t 1; then + touch "$abort_file" + echo + return 0 + fi + done =20 -# ------------------------------------------------ -# Helpers -# ------------------------------------------------ -die() { - dialog --msgbox "$1" 6 60 - exit 1 + echo + return 1 } =20 -# ------------------------------------------------ -# UI: Select image -# ------------------------------------------------ -ui_select_image() { - local images json list=3D() +#-------------------------------------------------------------------------= - +# ui_select_image_menu +# +# Uses sys_list_installable_entries backend API and returns selected +# relative image path on stdout. +#-------------------------------------------------------------------------= - +ui_select_image_menu() { + local install_data_dir=3D"$1" + local list=3D() + local entry + local selected =20 - # On failure, show error dialog and exit - json=3D$(sys_locate_disk_images search_path=3D"$INSTALL_DATA") || \ - die "No installable images found in $INSTALL_DATA" + while IFS=3D read -r entry; do + [ -n "$entry" ] || continue + list+=3D("$entry" "$entry") + done < <(sys_list_installable_entries "$install_data_dir") =20 - # Extract image paths from JSON - images=3D$(echo "$json" | sed -n 's/.*"images":\[\(.*\)\].*/\1/p' | tr= -d '"' | tr ',' '\n') + if [ "${#list[@]}" -eq 0 ]; then + return 1 + fi =20 - # Building dialog menu entries - for img in $images; do - base=3D$(basename "$img") - list+=3D("$img" "$base") - done + selected=3D$(dialog --no-tags \ + --menu "Select image to be installed" 12 70 6 \ + "${list[@]}" --output-fd 1) || return 2 =20 - # Display menu and capture selection - INSTALL_IMAGE=3D$(dialog --no-tags \ - --menu "Select image to install" 10 70 5 \ - "${list[@]}" \ - --output-fd 1) || exit 0 + echo "$selected" + return 0 } =20 -# ------------------------------------------------ -# UI: Select target device -# ------------------------------------------------ -ui_select_target_device() { +#-------------------------------------------------------------------------= - +# ui_select_target_device_menu +# +# Displays candidate target devices and returns selected /dev path. +#-------------------------------------------------------------------------= - +ui_select_target_device_menu() { local list=3D() + local target + local target_size + local state + local selected =20 - devices=3D$(sys_list_valid_target_devices) || \ - die "No valid target devices found" + for target in "$@"; do + [ -b "$target" ] || continue =20 - for dev in $devices; do - [ -b "$dev" ] || continue + target_size=3D$(sys_device_size "$target") + [ -n "$target_size" ] || target_size=3D"unknown" =20 - size=3D$(lsblk --nodeps --noheadings -o SIZE "$dev" 2>/dev/null | = tr -d " ") - [ -z "$size" ] && size=3D"unknown" - - if cmp /dev/zero "$dev" -n 1M >/dev/null 2>&1; then + # Indicate whether the selected device is already empty, to help u= sers + # avoid accidental overwrite of data. + if sys_device_is_empty "$target"; then state=3D"empty" else state=3D"contains data" fi =20 - list+=3D("$dev" "$dev ($size, $state)") + list+=3D("$target" "$target ($target_size, $state)") done =20 - if [ "${#list[@]}" -lt 2 ]; then - die "no installable target devices available" + if [ "${#list[@]}" -eq 0 ]; then + return 1 fi =20 - TARGET_DEVICE=3D$(dialog --no-tags \ - --menu "Select target device" 10 70 6 \ - "${list[@]}" \ - --output-fd 1) || exit 0 + selected=3D$(dialog --no-tags \ + --menu "Select device to install image to" 12 70 6 \ + "${list[@]}" --output-fd 1) || return 2 + + echo "$selected" + return 0 } =20 -run_interactive_installer() { - clear - ui_select_image - ui_select_target_device +#-------------------------------------------------------------------------= - +# ui_confirm_install +# +# Returns: +# 0 when user confirms, 1 when canceled. +#-------------------------------------------------------------------------= - +ui_confirm_install() { + local image_path=3D"$1" + local target_device=3D"$2" + local target_size=3D"$3" + + dialog --yes-label Ok --no-label Cancel \ + --yesno "Start installing\n'$image_path'\nto $target_device (capac= ity: $target_size)" 8 70 +} + +#-------------------------------------------------------------------------= - +# ui_confirm_overwrite +# +# Returns: +# 0 when user accepts overwrite, 1 when canceled. +#-------------------------------------------------------------------------= - +ui_confirm_overwrite() { + dialog --defaultno --yesno "WARNING: Target device is not empty! Conti= nue anyway?" 8 70 +} + +#-------------------------------------------------------------------------= - +# ui_start_progress_gauge +# +# Opens a dialog gauge and updates it from bmaptool psplash pipe. +#-------------------------------------------------------------------------= - +ui_start_progress_gauge() { + local pipe_path=3D"$1" + + ( + while true; do + if read -r line < "$pipe_path"; then + percentage=3D$(echo "$line" | awk '{ print $2 }') + echo "$percentage" + fi + done + ) | dialog --gauge "Flashing image, please wait..." 10 70 0 & + + UI_GAUGE_PID=3D$! +} + +#-------------------------------------------------------------------------= - +# ui_stop_progress_gauge +# +# Best-effort termination of the active progress gauge process. +#-------------------------------------------------------------------------= - +ui_stop_progress_gauge() { + if [ -n "$UI_GAUGE_PID" ]; then + kill "$UI_GAUGE_PID" 2>/dev/null || true + UI_GAUGE_PID=3D"" + fi } =20 -run_interactive_installer --=20 2.47.3 --=20 You received this message because you are subscribed to the Google Groups "= isar-users" group. 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