git.99rst.org Git - openwrt-luci.git/blob

   1 'use strict';
   2 'require view';
   3 'require form';
   4 'require uci';
   5 'require rpc';
   6 'require ui';
   7 'require poll';
   8 'require request';
   9 'require dom';
  10 'require fs';
  11
  12
  13 /* --------------------------------------------------------------------------
  14  * This section should be sufficient to isolate the changes that any forked
  15  * versions need to change with a custom support url.
  16  */
  17
  18 const support_url = 'https://forum.openwrt.org/t/luci-attended-sysupgrade-support-thread/230552';
  19 const support_link = E('a', { href: support_url }, _('this forum thread'));
  20
  21 function detailsBlock(title, content, pre) {
  22         /* Formatter for discourse-based forum "details" block.
  23          *
  24          * If the above support_url is changed to github, say, then you'd
  25          * probably need to get rid of the '[details...]' syntax.
  26          */
  27         return ! content ? '' : ''.concat(
  28                 '[details="', title, '"]\n',
  29                 pre ? '```\n' : '',
  30                 content, '\n',
  31                 pre ? '```\n' : '',
  32                 '[/details]\n',
  33         );
  34 }
  35
  36 /* -------------------------------------------------------------------------- */
  37
  38 const callPackagelist = rpc.declare({
  39         object: 'rpc-sys',
  40         method: 'packagelist',
  41 });
  42
  43 const callSystemBoard = rpc.declare({
  44         object: 'system',
  45         method: 'board',
  46 });
  47
  48 const callUpgradeStart = rpc.declare({
  49         object: 'rpc-sys',
  50         method: 'upgrade_start',
  51         params: ['keep'],
  52 });
  53
  54 /**
  55  * Returns the branch of a given version. This helps to offer upgrades
  56  * for point releases (aka within the branch).
  57  *
  58  * Logic:
  59  * SNAPSHOT -> SNAPSHOT
  60  * 21.02-SNAPSHOT -> 21.02
  61  * 21.02.0-rc1 -> 21.02
  62  * 19.07.8 -> 19.07
  63  *
  64  * @param {string} version
  65  * Input version from which to determine the branch
  66  * @returns {string}
  67  * The determined branch
  68  */
  69 function get_branch(version) {
  70         return version.replace('-SNAPSHOT', '').split('.').slice(0, 2).join('.');
  71 }
  72
  73 /**
  74  * The OpenWrt revision string contains both a hash as well as the number
  75  * commits since the OpenWrt/LEDE reboot. It helps to determine if a
  76  * snapshot is newer than another.
  77  *
  78  * @param {string} revision
  79  * Revision string of a OpenWrt device
  80  * @returns {integer}
  81  * The number of commits since OpenWrt/LEDE reboot
  82  */
  83 function get_revision_count(revision) {
  84         return parseInt(revision.substring(1).split('-')[0]);
  85 }
  86
  87 return view.extend({
  88         steps: {
  89                 init:                    [  0, _('Received build request')],
  90                 container_setup:         [ 10, _('Setting up ImageBuilder')],
  91                 validate_revision:       [ 20, _('Validating revision')],
  92                 validate_manifest:       [ 30, _('Validating package selection')],
  93                 calculate_packages_hash: [ 40, _('Calculating package hash')],
  94                 building_image:          [ 50, _('Generating firmware image')],
  95                 signing_images:          [ 95, _('Signing images')],
  96                 done:                    [100, _('Completed generating firmware image')],
  97                 failed:                  [100, _('Failed to generate firmware image')],
  98
  99                 /* Obsolete status values, retained for backward compatibility. */
 100                 download_imagebuilder:   [ 20, _('Downloading ImageBuilder archive')],
 101                 unpack_imagebuilder:     [ 40, _('Setting Up ImageBuilder')],
 102         },
 103
 104         request_hash: new Map(),
 105         sha256_unsigned: '',
 106
 107         applyPackageChanges: async function(package_info) {
 108                 let { url, target, version, packages } = package_info;
 109
 110                 const overview_url = `${url}/api/v1/overview`;
 111                 const revision_url = `${url}/api/v1/revision/${version}/${target}`;
 112
 113                 let changes, target_revision;
 114
 115                 await Promise.all([
 116                         request.get(overview_url)
 117                                 .then(response => response.json())
 118                                 .then(json => json.branches)
 119                                 .then(branches => branches[get_branch(version)])
 120                                 .then(branch => { changes = branch.package_changes; })
 121                                 .catch(error => {
 122                                         throw Error(`Get overview failed:<br>${overview_url}<br>${error}`);
 123                                 }),
 124
 125                         request.get(revision_url)
 126                                 .then(response => response.json())
 127                                 .then(json => json.revision)
 128                                 .then(revision => { target_revision = get_revision_count(revision); })
 129                                 .catch(error => {
 130                                         throw Error(`Get revision failed:<br>${revision_url}<br>${error}`);
 131                                 }),
 132                 ]);
 133
 134                 for (const change of changes) {
 135                         let idx = packages.indexOf(change.source);
 136                         if (idx >= 0 && change.revision <= target_revision) {
 137                                 if (change.target)
 138                                         packages[idx] = change.target;
 139                                 else
 140                                         packages.splice(idx, 1);
 141                         }
 142                 }
 143                 return packages;
 144         },
 145
 146         selectImage: function (images, data, firmware) {
 147                 var filesystemFilter = function(e) {
 148                         return (e.filesystem == firmware.filesystem);
 149                 }
 150                 var typeFilter = function(e) {
 151                         let efi_targets = ['armsr', 'loongarch', 'x86'];
 152                         let efi_capable = efi_targets.some((tgt) => firmware.target.startsWith(tgt));
 153                         if (efi_capable) {
 154                                 if (data.efi) {
 155                                         return (e.type == 'combined-efi');
 156                                 } else {
 157                                         return (e.type == 'combined');
 158                                 }
 159                         } else {
 160                                 return (e.type == 'sysupgrade' || e.type == 'combined');
 161                         }
 162                 }
 163                 return images.filter(filesystemFilter).filter(typeFilter)[0];
 164         },
 165
 166         handle200: function (response, content, data, firmware) {
 167                 response = response.json();
 168                 let image = this.selectImage(response.images, data, firmware);
 169
 170                 if (image.name != undefined) {
 171                         this.sha256_unsigned = image.sha256_unsigned;
 172                         let sysupgrade_url = `${data.url}/store/${response.bin_dir}/${image.name}`;
 173
 174                         let keep = E('input', { type: 'checkbox' });
 175                         keep.checked = true;
 176
 177                         let fields = [
 178                                 _('Version'),
 179                                 `${response.version_number} ${response.version_code}`,
 180                                 _('SHA256'),
 181                                 image.sha256,
 182                         ];
 183
 184                         if (data.advanced_mode == 1) {
 185                                 fields.push(
 186                                         _('Profile'),
 187                                         response.id,
 188                                         _('Target'),
 189                                         response.target,
 190                                         _('Build Date'),
 191                                         response.build_at,
 192                                         _('Filename'),
 193                                         image.name,
 194                                         _('Filesystem'),
 195                                         image.filesystem
 196                                 );
 197                         }
 198
 199                         fields.push(
 200                                 '',
 201                                 E('a', { href: sysupgrade_url }, _('Download firmware image'))
 202                         );
 203                         if (data.rebuilder) {
 204                                 fields.push(_('Rebuilds'), E('div', { id: 'rebuilder_status' }));
 205                         }
 206
 207                         let table = E('div', { class: 'table' });
 208
 209                         for (let i = 0; i < fields.length; i += 2) {
 210                                 table.appendChild(
 211                                         E('tr', { class: 'tr' }, [
 212                                                 E('td', { class: 'td left', width: '33%' }, [fields[i]]),
 213                                                 E('td', { class: 'td left' }, [fields[i + 1]]),
 214                                         ])
 215                                 );
 216                         }
 217
 218                         let modal_body = [
 219                                 table,
 220                                 E(
 221                                         'p',
 222                                         { class: 'mt-2' },
 223                                         E('label', { class: 'btn' }, [
 224                                                 keep,
 225                                                 ' ',
 226                                                 _('Keep settings and retain the current configuration'),
 227                                         ])
 228                                 ),
 229                                 E('div', { class: 'right' }, [
 230                                         E('div', { class: 'btn', click: ui.hideModal }, _('Cancel')),
 231                                         ' ',
 232                                         E(
 233                                                 'button',
 234                                                 {
 235                                                         class: 'btn cbi-button cbi-button-positive important',
 236                                                         click: ui.createHandlerFn(this, function () {
 237                                                                 this.handleInstall(sysupgrade_url, keep.checked, image.sha256);
 238                                                         }),
 239                                                 },
 240                                                 _('Install firmware image')
 241                                         ),
 242                                 ]),
 243                         ];
 244
 245                         ui.showModal(_('Successfully created firmware image'), modal_body);
 246                         if (data.rebuilder) {
 247                                 this.handleRebuilder(content, data, firmware);
 248                         }
 249                 }
 250         },
 251
 252         handle202: function (response) {
 253                 if ('queue_position' in response) {
 254                         ui.showModal(_('Queued...'), [
 255                                 E(
 256                                         'p',
 257                                         { class: 'spinning' },
 258                                         _('Request in build queue position %s').format(
 259                                                 response.queue_position
 260                                         )
 261                                 ),
 262                         ]);
 263                 } else {
 264                         ui.showModal(_('Building Firmware...'), [
 265                                 E(
 266                                         'p',
 267                                         { class: 'spinning' },
 268                                         _('Progress: %s%% %s').format(
 269                                                 this.steps[response.imagebuilder_status][0],
 270                                                 this.steps[response.imagebuilder_status][1]
 271                                         )
 272                                 ),
 273                         ]);
 274                 }
 275         },
 276
 277         handleError: function (response, data, firmware, request_hash) {
 278                 response = response.json();
 279                 const request_data = {
 280                         ...data,
 281                         request_hash: request_hash,
 282                         sha256_unsigned: this.sha256_unsigned,
 283                         ...firmware
 284                 };
 285                 const request_str = JSON.stringify(request_data, null, 4);
 286                 let body = [
 287                         E('p', {}, [
 288                                 _('First, check'), ' ',
 289                                 support_link,
 290                                 _('.  If you don\'t find a solution there, then report all of the information below.')
 291                         ]),
 292
 293                         E(
 294                                 'button',
 295                                 {
 296                                         class: 'btn cbi-button cbi-button-positive important',
 297                                         style: 'margin-bottom: 1em; padding: 0.2em',
 298                                         click: ui.createHandlerFn(this, function () {
 299                                                 var text = ''.concat(
 300                                                         // No translations in here as it's intended for the forum.
 301                                                         'Server response: %s\n\n'.format(response.detail),
 302                                                         detailsBlock('Request Data', request_str, true),
 303                                                         detailsBlock('STDOUT', response.stdout, true),
 304                                                         detailsBlock('STDERR', response.stderr, true),
 305                                                 );
 306
 307                                                 navigator.clipboard.writeText(text);
 308
 309                                                 ui.showModal(_('Data copied!'), [
 310                                                         E('p', [
 311                                                                 _('Paste the contents of the clipboard to'), ' ',
 312                                                                 support_link,
 313                                                                 '.',
 314                                                         ]),
 315                                                         E('div', { class: 'right' }, [
 316                                                                 E('div', { class: 'btn', click: ui.hideModal }, _('Close')),
 317                                                         ]),
 318                                                 ]);
 319                                         }),
 320                                 },
 321                                 _('Copy error data to clipboard...')
 322                         ),
 323
 324                         E('p', _('Server response: %s').format(response.detail)),
 325                         E('p', _('Request Data:')),
 326                         E('pre', {}, request_str),
 327                 ];
 328
 329                 if (response.stdout) {
 330                         body.push(
 331                                 E('b', 'STDOUT:'),
 332                                 E('pre', response.stdout),
 333                         );
 334                 }
 335
 336                 if (response.stderr) {
 337                         body.push(
 338                                 E('b', 'STDERR:'),
 339                                 E('pre', response.stderr),
 340                         );
 341                 }
 342
 343                 body.push(
 344                         E('div', { class: 'right' }, [
 345                                 E('div', { class: 'btn', click: ui.hideModal }, _('Close')),
 346                         ]),
 347                 );
 348
 349                 ui.showModal(_('Error building the firmware image'), body);
 350         },
 351
 352         handleRequest: function (server, main, content, data, firmware) {
 353                 let request_url = `${server}/api/v1/build`;
 354                 let method = 'POST';
 355                 let local_content = content;
 356                 const request_hash = this.request_hash.get(server);
 357
 358                 /**
 359                  * If `request_hash` is available use a GET request instead of
 360                  * sending the entire object.
 361                  */
 362                 if (request_hash) {
 363                         request_url += `/${request_hash}`;
 364                         local_content = {};
 365                         method = 'GET';
 366                 }
 367
 368                 request
 369                         .request(request_url, { method: method, content: local_content })
 370                         .then((response) => {
 371                                 switch (response.status) {
 372                                         case 202:
 373                                                 response = response.json();
 374
 375                                                 this.request_hash.set(server, response.request_hash);
 376
 377                                                 if (main) {
 378                                                         this.handle202(response);
 379                                                 } else {
 380                                                         let view = document.getElementById(server);
 381                                                         view.innerText = `⏳   (${
 382                                                                 this.steps[response.imagebuilder_status][0]
 383                                                         }%) ${server}`;
 384                                                 }
 385                                                 break;
 386                                         case 200:
 387                                                 if (main == true) {
 388                                                         poll.remove(this.pollFn);
 389                                                         this.handle200(response, content, data, firmware);
 390                                                 } else {
 391                                                         poll.remove(this.rebuilder_polls[server]);
 392                                                         response = response.json();
 393                                                         let view = document.getElementById(server);
 394                                                         let image = this.selectImage(response.images, data, firmware);
 395                                                         if (image.sha256_unsigned == this.sha256_unsigned) {
 396                                                                 view.innerText = '✅ %s'.format(server);
 397                                                         } else {
 398                                                                 view.innerHTML = `⚠️ ${server} (<a href="${server}/store/${
 399                                                                         response.bin_dir
 400                                                                 }/${image.name}">${_('Download')}</a>)`;
 401                                                         }
 402                                                 }
 403                                                 break;
 404                                         default:  // any error or unexpected responses
 405                                                 if (main == true) {
 406                                                         poll.remove(this.pollFn);
 407                                                         this.handleError(response, data, firmware, request_hash);
 408                                                 } else {
 409                                                         poll.remove(this.rebuilder_polls[server]);
 410                                                         document.getElementById(server).innerText = '🚫 %s'.format(
 411                                                                 server
 412                                                         );
 413                                                 }
 414                                                 break;
 415                                 }
 416                         });
 417         },
 418
 419         handleRebuilder: function (content, data, firmware) {
 420                 this.rebuilder_polls = {};
 421                 for (let rebuilder of data.rebuilder) {
 422                         this.rebuilder_polls[rebuilder] = L.bind(
 423                                 this.handleRequest,
 424                                 this,
 425                                 rebuilder,
 426                                 false,
 427                                 content,
 428                                 data,
 429                                 firmware
 430                         );
 431                         poll.add(this.rebuilder_polls[rebuilder], 5);
 432                         document.getElementById(
 433                                 'rebuilder_status'
 434                         ).innerHTML += `<p id="${rebuilder}">⏳ ${rebuilder}</p>`;
 435                 }
 436                 poll.start();
 437         },
 438
 439         handleInstall: function (url, keep, sha256) {
 440                 ui.showModal(_('Downloading...'), [
 441                         E(
 442                                 'p',
 443                                 { class: 'spinning' },
 444                                 _('Downloading firmware from server to browser')
 445                         ),
 446                 ]);
 447
 448                 request
 449                         .get(url, {
 450                                 headers: {
 451                                         'Content-Type': 'application/x-www-form-urlencoded',
 452                                 },
 453                                 responseType: 'blob',
 454                         })
 455                         .then((response) => {
 456                                 let form_data = new FormData();
 457                                 form_data.append('sessionid', rpc.getSessionID());
 458                                 form_data.append('filename', '/tmp/firmware.bin');
 459                                 form_data.append('filemode', 600);
 460                                 form_data.append('filedata', response.blob());
 461
 462                                 ui.showModal(_('Uploading...'), [
 463                                         E(
 464                                                 'p',
 465                                                 { class: 'spinning' },
 466                                                 _('Uploading firmware from browser to device')
 467                                         ),
 468                                 ]);
 469
 470                                 request
 471                                         .get(`${L.env.cgi_base}/cgi-upload`, {
 472                                                 method: 'PUT',
 473                                                 content: form_data,
 474                                         })
 475                                         .then((response) => response.json())
 476                                         .then((response) => {
 477                                                 if (response.sha256sum != sha256) {
 478                                                         ui.showModal(_('Wrong checksum'), [
 479                                                                 E('p', _('Error during download of firmware. Please try again')),
 480                                                                 E('div', { class: 'btn', click: ui.hideModal }, _('Close')),
 481                                                         ]);
 482                                                 } else {
 483                                                         ui.showModal(_('Installing...'), [
 484                                                                 E('div', { class: 'spinning' }, [
 485                                                                         E('p', _('Installing the sysupgrade image...')),
 486                                                                         E('p',
 487                                                                         _('Once the image is written, the system will reboot.')
 488                                                                         + ' ' +
 489                                                                         _('This should take at least a minute, so please wait for the login screen.')
 490                                                                         ),
 491                                                                         E('b', _('While you are waiting, do not unpower device!')),
 492                                                                 ]),
 493                                                         ]);
 494
 495                                                         L.resolveDefault(callUpgradeStart(keep), {}).then((response) => {
 496                                                                 // Wait 10 seconds before we try to reconnect...
 497                                                                 let hosts = keep ? [] : ['192.168.1.1', 'openwrt.lan'];
 498                                                                 setTimeout(() => { ui.awaitReconnect(...hosts); }, 10000);
 499                                                         });
 500                                                 }
 501                                         });
 502                         });
 503         },
 504
 505         handleCheck: function (data, firmware) {
 506                 this.request_hash.clear();
 507                 let { url, revision, advanced_mode, branch } = data;
 508                 let { version, target, profile, packages } = firmware;
 509                 let candidates = [];
 510
 511                 const endpoint = version.endsWith('SNAPSHOT') ? `revision/${version}/${target}` : 'overview';
 512                 const request_url = `${url}/api/v1/${endpoint}`;
 513
 514                 ui.showModal(_('Searching...'), [
 515                         E(
 516                                 'p',
 517                                 { class: 'spinning' },
 518                                 _('Searching for an available sysupgrade of %s - %s').format(
 519                                         version,
 520                                         revision
 521                                 )
 522                         ),
 523                 ]);
 524
 525                 L.resolveDefault(request.get(request_url)).then((response) => {
 526                         if (!response.ok) {
 527                                 ui.showModal(_('Error connecting to upgrade server'), [
 528                                         E(
 529                                                 'p',
 530                                                 {},
 531                                                 _('Could not reach API at "%s". Please try again later.').format(
 532                                                         response.url
 533                                                 )
 534                                         ),
 535                                         E('pre', {}, response.responseText),
 536                                         E('div', { class: 'right' }, [
 537                                                 E('div', { class: 'btn', click: ui.hideModal }, _('Close')),
 538                                         ]),
 539                                 ]);
 540                                 return;
 541                         }
 542                         if (version.endsWith('SNAPSHOT')) {
 543                                 const remote_revision = response.json().revision;
 544                                 if (
 545                                         get_revision_count(revision) < get_revision_count(remote_revision)
 546                                 ) {
 547                                         candidates.push([version, remote_revision]);
 548                                 }
 549                         } else {
 550                                 const latest = response.json().latest;
 551
 552                                 // ensure order: newest to oldest release
 553                                 latest.sort().reverse();
 554
 555                                 for (let remote_version of latest) {
 556                                         let remote_branch = get_branch(remote_version);
 557
 558                                         // already latest version installed
 559                                         if (version == remote_version) {
 560                                                 break;
 561                                         }
 562
 563                                         candidates.unshift([remote_version, null]);
 564
 565                                         // don't offer branches older than the current
 566                                         if (branch == remote_branch) {
 567                                                 break;
 568                                         }
 569                                 }
 570                         }
 571
 572                         // allow to re-install running firmware in advanced mode
 573                         if (advanced_mode == 1) {
 574                                 candidates.unshift([version, revision]);
 575                         }
 576
 577                         if (candidates.length) {
 578                                 let s, o;
 579
 580                                 let mapdata = {
 581                                         request: {
 582                                                 profile,
 583                                                 version: candidates[0][0],
 584                                                 packages: Object.keys(packages).sort(),
 585                                         },
 586                                 };
 587
 588                                 let map = new form.JSONMap(mapdata, '');
 589
 590                                 s = map.section(
 591                                         form.NamedSection,
 592                                         'request',
 593                                         '',
 594                                         '',
 595                                         'Use defaults for the safest update'
 596                                 );
 597                                 o = s.option(form.ListValue, 'version', 'Select firmware version');
 598                                 for (let candidate of candidates) {
 599                                         if (candidate[0] == version && candidate[1] == revision) {
 600                                                 o.value(
 601                                                         candidate[0],
 602                                                         _('[installed] %s').format(
 603                                                                 candidate[1]
 604                                                                         ? `${candidate[0]} - ${candidate[1]}`
 605                                                                         : candidate[0]
 606                                                         )
 607                                                 );
 608                                         } else {
 609                                                 o.value(
 610                                                         candidate[0],
 611                                                         candidate[1] ? `${candidate[0]} - ${candidate[1]}` : candidate[0]
 612                                                 );
 613                                         }
 614                                 }
 615
 616                                 if (advanced_mode == 1) {
 617                                         o = s.option(form.Value, 'profile', _('Board Name / Profile'));
 618                                         o = s.option(form.DynamicList, 'packages', _('Packages'));
 619                                 }
 620
 621                                 L.resolveDefault(map.render()).then((form_rendered) => {
 622                                         ui.showModal(_('New firmware upgrade available'), [
 623                                                 E(
 624                                                         'p',
 625                                                         _('Currently running: %s - %s').format(
 626                                                                 version,
 627                                                                 revision
 628                                                         )
 629                                                 ),
 630                                                 form_rendered,
 631                                                 E('div', { class: 'right' }, [
 632                                                         E('div', { class: 'btn', click: ui.hideModal }, _('Cancel')),
 633                                                         ' ',
 634                                                         E(
 635                                                                 'button',
 636                                                                 {
 637                                                                         class: 'btn cbi-button cbi-button-positive important',
 638                                                                         click: ui.createHandlerFn(this, function () {
 639                                                                                 map.save().then(() => {
 640                                                                                         this.applyPackageChanges({
 641                                                                                                 url,
 642                                                                                                 target,
 643                                                                                                 version:  mapdata.request.version,
 644                                                                                                 packages: mapdata.request.packages,
 645                                                                                         }).then((packages) => {
 646                                                                                                 const content = {
 647                                                                                                         ...firmware,
 648                                                                                                         packages: packages,
 649                                                                                                         version: mapdata.request.version,
 650                                                                                                         profile: mapdata.request.profile
 651                                                                                                 };
 652                                                                                                 this.pollFn = L.bind(function () {
 653                                                                                                         this.handleRequest(url, true, content, data, firmware);
 654                                                                                                 }, this);
 655                                                                                                 poll.add(this.pollFn, 5);
 656                                                                                                 poll.start();
 657                                                                                         })
 658                                                                                         .catch(error => {
 659                                                                                             ui.addNotification(null, E('p', error.message));
 660                                                                                             ui.hideModal();
 661                                                                                         });
 662                                                                                 });
 663                                                                         }),
 664                                                                 },
 665                                                                 _('Request firmware image')
 666                                                         ),
 667                                                 ]),
 668                                         ]);
 669                                 });
 670                         } else {
 671                                 ui.showModal(_('No upgrade available'), [
 672                                         E(
 673                                                 'p',
 674                                                 _('The device runs the latest firmware version %s - %s').format(
 675                                                         version,
 676                                                         revision
 677                                                 )
 678                                         ),
 679                                         E('div', { class: 'right' }, [
 680                                                 E('div', { class: 'btn', click: ui.hideModal }, _('Close')),
 681                                         ]),
 682                                 ]);
 683                         }
 684                 });
 685         },
 686
 687         load: async function () {
 688                 const promises = await Promise.all([
 689                         L.resolveDefault(callPackagelist(), {}),
 690                         L.resolveDefault(callSystemBoard(), {}),
 691                         L.resolveDefault(fs.stat('/sys/firmware/efi'), null),
 692                         uci.load('attendedsysupgrade'),
 693                 ]);
 694                 const data = {
 695                         system_board: promises[1],
 696                         advanced_mode: uci.get_first('attendedsysupgrade', 'client', 'advanced_mode') || 0,
 697                         url: uci.get_first('attendedsysupgrade', 'server', 'url').replace(/\/+$/, ''),
 698                         branch: get_branch(promises[1].release.version),
 699                         revision: promises[1].release.revision,
 700                         efi: promises[2],
 701                         rebuilder: uci.get_first('attendedsysupgrade', 'server', 'rebuilder'),
 702                 };
 703                 const firmware = {
 704                         client: 'luci/' + promises[0].packages['luci-app-attendedsysupgrade'],
 705                         packages: promises[0].packages,
 706                         profile: promises[1].board_name,
 707                         target: promises[1].release.target,
 708                         version: promises[1].release.version,
 709                         diff_packages: true,
 710                         filesystem: promises[1].rootfs_type,
 711
 712                         // If the user has changed the rootfs partition size via owut,
 713                         // then make sure to keep new image the same size.  A null value
 714                         // is interpreted by the ASU server as "default".
 715                         rootfs_size_mb: uci.get('attendedsysupgrade', 'owut', 'rootfs_size'),
 716                 };
 717                 return [data, firmware];
 718         },
 719
 720         render: function (response) {
 721                 const data = response[0];
 722                 const firmware = response[1];
 723
 724                 return E('p', [
 725                         E('h2', _('Attended Sysupgrade')),
 726                         E(
 727                                 'p',
 728                                 _(
 729                                         'The attended sysupgrade service allows to upgrade vanilla and custom firmware images easily.'
 730                                 )
 731                         ),
 732                         E(
 733                                 'p',
 734                                 _(
 735                                         'This is done by building a new firmware on demand via an online service.'
 736                                 )
 737                         ),
 738                         E(
 739                                 'p',
 740                                 _('Currently running: %s - %s').format(
 741                                         firmware.version,
 742                                         data.revision
 743                                 )
 744                         ),
 745                         E(
 746                                 'button',
 747                                 {
 748                                         class: 'btn cbi-button cbi-button-positive important',
 749                                         click: ui.createHandlerFn(this, this.handleCheck, data, firmware),
 750                                 },
 751                                 _('Search for firmware upgrade')
 752                         ),
 753                 ]);
 754         },
 755         handleSaveApply: null,
 756         handleSave: null,
 757         handleReset: null,
 758 });