proxmox-tui-installer/src/main.rs

   1 #![forbid(unsafe_code)]
   2
   3 use std::{collections::HashMap, env, net::IpAddr};
   4
   5 use cursive::{
   6     event::Event,
   7     theme::{ColorStyle, Effect, PaletteColor, Style},
   8     view::{Nameable, Offset, Resizable, ViewWrapper},
   9     views::{
  10         Button, Checkbox, Dialog, DummyView, EditView, Layer, LinearLayout, PaddedView, Panel,
  11         ResizedView, ScrollView, SelectView, StackView, TextView, ViewRef,
  12     },
  13     Cursive, CursiveRunnable, ScreenId, View, XY,
  14 };
  15
  16 use regex::Regex;
  17
  18 mod options;
  19 use options::InstallerOptions;
  20
  21 use proxmox_installer_common::{
  22     options::{BootdiskOptions, NetworkOptions, PasswordOptions, TimezoneOptions},
  23     setup::{installer_setup, LocaleInfo, ProxmoxProduct, RuntimeInfo, SetupInfo},
  24     utils::Fqdn,
  25 };
  26
  27 mod setup;
  28
  29 mod system;
  30
  31 mod views;
  32 use views::{
  33     BootdiskOptionsView, CidrAddressEditView, FormView, InstallProgressView, TableView,
  34     TableViewItem, TimezoneOptionsView,
  35 };
  36
  37 // TextView::center() seems to garble the first two lines, so fix it manually here.
  38 const PROXMOX_LOGO: &str = r#"
  39  ____
  40 |  _ \ _ __ _____  ___ __ ___   _____  __
  41 | |_) | '__/ _ \ \/ / '_ ` _ \ / _ \ \/ /
  42 |  __/| | | (_) >  <| | | | | | (_) >  <
  43 |_|   |_|  \___/_/\_\_| |_| |_|\___/_/\_\ "#;
  44
  45 struct InstallerView {
  46     view: ResizedView<Dialog>,
  47 }
  48
  49 impl InstallerView {
  50     pub fn new<T: View>(
  51         state: &InstallerState,
  52         view: T,
  53         next_cb: Box<dyn Fn(&mut Cursive)>,
  54         focus_next: bool,
  55     ) -> Self {
  56         let mut bbar = LinearLayout::horizontal()
  57             .child(abort_install_button())
  58             .child(DummyView.full_width())
  59             .child(Button::new("Previous", switch_to_prev_screen))
  60             .child(DummyView)
  61             .child(Button::new("Next", next_cb));
  62         let _ = bbar.set_focus_index(4); // ignore errors
  63         let mut inner = LinearLayout::vertical()
  64             .child(PaddedView::lrtb(0, 0, 1, 1, view))
  65             .child(PaddedView::lrtb(1, 1, 0, 0, bbar));
  66         if focus_next {
  67             let _ = inner.set_focus_index(1); // ignore errors
  68         }
  69
  70         Self::with_raw(state, inner)
  71     }
  72
  73     pub fn with_raw(state: &InstallerState, view: impl View) -> Self {
  74         let setup = &state.setup_info;
  75
  76         let title = format!(
  77             "{} ({}-{}) Installer",
  78             setup.config.fullname, setup.iso_info.release, setup.iso_info.isorelease
  79         );
  80
  81         let inner = Dialog::around(view).title(title);
  82
  83         Self {
  84             // Limit the maximum to something reasonable, such that it won't get spread out much
  85             // depending on the screen.
  86             view: ResizedView::with_max_size((120, 40), inner),
  87         }
  88     }
  89 }
  90
  91 impl ViewWrapper for InstallerView {
  92     cursive::wrap_impl!(self.view: ResizedView<Dialog>);
  93 }
  94
  95 struct InstallerBackgroundView {
  96     view: StackView,
  97 }
  98
  99 impl InstallerBackgroundView {
 100     pub fn new() -> Self {
 101         let style = Style {
 102             effects: Effect::Bold.into(),
 103             color: ColorStyle::back(PaletteColor::View),
 104         };
 105
 106         let mut view = StackView::new();
 107         view.add_fullscreen_layer(Layer::with_color(
 108             DummyView
 109                 .full_width()
 110                 .fixed_height(PROXMOX_LOGO.lines().count() + 1),
 111             ColorStyle::back(PaletteColor::View),
 112         ));
 113         view.add_transparent_layer_at(
 114             XY {
 115                 x: Offset::Center,
 116                 y: Offset::Absolute(0),
 117             },
 118             TextView::new(PROXMOX_LOGO).style(style),
 119         );
 120
 121         Self { view }
 122     }
 123 }
 124
 125 impl ViewWrapper for InstallerBackgroundView {
 126     cursive::wrap_impl!(self.view: StackView);
 127 }
 128
 129 #[derive(Clone, Eq, Hash, PartialEq)]
 130 enum InstallerStep {
 131     Licence,
 132     Bootdisk,
 133     Timezone,
 134     Password,
 135     Network,
 136     Summary,
 137     Install,
 138 }
 139
 140 #[derive(Clone)]
 141 struct InstallerState {
 142     options: InstallerOptions,
 143     setup_info: SetupInfo,
 144     runtime_info: RuntimeInfo,
 145     locales: LocaleInfo,
 146     steps: HashMap<InstallerStep, ScreenId>,
 147     in_test_mode: bool,
 148 }
 149
 150 fn main() {
 151     let mut siv = cursive::termion();
 152
 153     let in_test_mode = match env::args().nth(1).as_deref() {
 154         Some("-t") => true,
 155
 156         // Always force the test directory in debug builds
 157         _ => cfg!(debug_assertions),
 158     };
 159
 160     let (setup_info, locales, runtime_info) = match installer_setup(in_test_mode) {
 161         Ok(result) => result,
 162         Err(err) => initial_setup_error(&mut siv, &err),
 163     };
 164
 165     siv.clear_global_callbacks(Event::CtrlChar('c'));
 166     siv.set_on_pre_event(Event::CtrlChar('c'), trigger_abort_install_dialog);
 167
 168     siv.set_user_data(InstallerState {
 169         options: InstallerOptions {
 170             bootdisk: BootdiskOptions::defaults_from(&runtime_info.disks[0]),
 171             timezone: TimezoneOptions::defaults_from(&runtime_info, &locales),
 172             password: Default::default(),
 173             network: NetworkOptions::defaults_from(&setup_info, &runtime_info.network),
 174             autoreboot: false,
 175         },
 176         setup_info,
 177         runtime_info,
 178         locales,
 179         steps: HashMap::new(),
 180         in_test_mode,
 181     });
 182
 183     switch_to_next_screen(&mut siv, InstallerStep::Licence, &license_dialog);
 184     siv.run();
 185 }
 186
 187 /// Anything that can be done late in the setup and will not result in fatal errors.
 188 fn installer_setup_late(siv: &mut Cursive) {
 189     let state = siv.user_data::<InstallerState>().cloned().unwrap();
 190
 191     if !state.in_test_mode {
 192         let kmap_id = &state.options.timezone.kb_layout;
 193         if let Some(kmap) = state.locales.kmap.get(kmap_id) {
 194             if let Err(err) = system::set_keyboard_layout(kmap) {
 195                 display_setup_warning(siv, &format!("Failed to apply keyboard layout: {err}"));
 196             }
 197         }
 198     }
 199
 200     if state.runtime_info.total_memory < 1024 {
 201         display_setup_warning(
 202             siv,
 203             concat!(
 204                 "Less than 1 GiB of usable memory detected, installation will probably fail.\n\n",
 205                 "See 'System Requirements' in the documentation."
 206             ),
 207         );
 208     }
 209
 210     if state.setup_info.config.product == ProxmoxProduct::PVE && !state.runtime_info.hvm_supported {
 211         display_setup_warning(
 212             siv,
 213             concat!(
 214                 "No support for hardware-accelerated KVM virtualization detected.\n\n",
 215                 "Check BIOS settings for Intel VT / AMD-V / SVM."
 216             ),
 217         );
 218     }
 219 }
 220
 221 fn initial_setup_error(siv: &mut CursiveRunnable, message: &str) -> ! {
 222     siv.add_layer(
 223         Dialog::around(TextView::new(message))
 224             .title("Installer setup error")
 225             .button("Ok", Cursive::quit),
 226     );
 227     siv.run();
 228
 229     std::process::exit(1);
 230 }
 231
 232 fn display_setup_warning(siv: &mut Cursive, message: &str) {
 233     siv.add_layer(Dialog::info(message).title("Warning"));
 234 }
 235
 236 fn switch_to_next_screen(
 237     siv: &mut Cursive,
 238     step: InstallerStep,
 239     constructor: &dyn Fn(&mut Cursive) -> InstallerView,
 240 ) {
 241     let state = siv.user_data::<InstallerState>().cloned().unwrap();
 242     let is_first_screen = state.steps.is_empty();
 243
 244     // Check if the screen already exists; if yes, then simply switch to it.
 245     if let Some(screen_id) = state.steps.get(&step) {
 246         siv.set_screen(*screen_id);
 247
 248         // The summary view cannot be cached (otherwise it would display stale values). Thus
 249         // replace it if the screen is switched to.
 250         // TODO: Could be done by e.g. having all the main dialog views implement some sort of
 251         // .refresh(), which can be called if the view is switched to.
 252         if step == InstallerStep::Summary {
 253             let view = constructor(siv);
 254             siv.screen_mut().pop_layer();
 255             siv.screen_mut().add_layer(view);
 256         }
 257
 258         return;
 259     }
 260
 261     let v = constructor(siv);
 262     let screen = siv.add_active_screen();
 263     siv.with_user_data(|state: &mut InstallerState| state.steps.insert(step, screen));
 264
 265     siv.screen_mut().add_transparent_layer_at(
 266         XY {
 267             x: Offset::Parent(0),
 268             y: Offset::Parent(0),
 269         },
 270         InstallerBackgroundView::new(),
 271     );
 272
 273     siv.screen_mut().add_layer(v);
 274
 275     // If this is the first screen to be added, execute our late setup first.
 276     // Needs to be done here, at the end, to ensure that any potential layers get added to
 277     // the right screen and are on top.
 278     if is_first_screen {
 279         installer_setup_late(siv);
 280     }
 281 }
 282
 283 fn switch_to_prev_screen(siv: &mut Cursive) {
 284     let id = siv.active_screen().saturating_sub(1);
 285     siv.set_screen(id);
 286 }
 287
 288 fn prompt_dialog(
 289     siv: &mut Cursive,
 290     title: &str,
 291     text: &str,
 292     yes_text: &str,
 293     callback_yes: Box<dyn Fn(&mut Cursive)>,
 294     no_text: &str,
 295     callback_no: Box<dyn Fn(&mut Cursive)>,
 296 ) {
 297     siv.add_layer(
 298         Dialog::around(TextView::new(text))
 299             .title(title)
 300             .button(no_text, move |siv| {
 301                 siv.pop_layer();
 302                 callback_no(siv);
 303             })
 304             .button(yes_text, move |siv| {
 305                 siv.pop_layer();
 306                 callback_yes(siv);
 307             }),
 308     )
 309 }
 310
 311 fn trigger_abort_install_dialog(siv: &mut Cursive) {
 312     #[cfg(debug_assertions)]
 313     siv.quit();
 314
 315     #[cfg(not(debug_assertions))]
 316     prompt_dialog(
 317         siv,
 318         "Abort installation?",
 319         "Are you sure you want to abort the installation?",
 320         "Yes",
 321         Box::new(Cursive::quit),
 322         "No",
 323         Box::new(|_| {}),
 324     )
 325 }
 326
 327 fn abort_install_button() -> Button {
 328     Button::new("Abort", trigger_abort_install_dialog)
 329 }
 330
 331 fn get_eula(setup: &SetupInfo) -> String {
 332     let mut path = setup.locations.iso.clone();
 333     path.push("EULA");
 334
 335     std::fs::read_to_string(path)
 336         .unwrap_or_else(|_| "< Debug build - ignoring non-existing EULA >".to_owned())
 337 }
 338
 339 fn license_dialog(siv: &mut Cursive) -> InstallerView {
 340     let state = siv.user_data::<InstallerState>().unwrap();
 341
 342     let mut bbar = LinearLayout::horizontal()
 343         .child(abort_install_button())
 344         .child(DummyView.full_width())
 345         .child(Button::new("I agree", |siv| {
 346             switch_to_next_screen(siv, InstallerStep::Bootdisk, &bootdisk_dialog)
 347         }));
 348     let _ = bbar.set_focus_index(2); // ignore errors
 349
 350     let mut inner = LinearLayout::vertical()
 351         .child(PaddedView::lrtb(
 352             0,
 353             0,
 354             1,
 355             0,
 356             TextView::new("END USER LICENSE AGREEMENT (EULA)").center(),
 357         ))
 358         .child(Panel::new(ScrollView::new(
 359             TextView::new(get_eula(&state.setup_info)).center(),
 360         )))
 361         .child(PaddedView::lrtb(1, 1, 1, 0, bbar));
 362
 363     let _ = inner.set_focus_index(2); // ignore errors
 364
 365     InstallerView::with_raw(state, inner)
 366 }
 367
 368 fn bootdisk_dialog(siv: &mut Cursive) -> InstallerView {
 369     let state = siv.user_data::<InstallerState>().cloned().unwrap();
 370
 371     InstallerView::new(
 372         &state,
 373         BootdiskOptionsView::new(siv, &state.runtime_info, &state.options.bootdisk)
 374             .with_name("bootdisk-options"),
 375         Box::new(|siv| {
 376             let options = siv.call_on_name("bootdisk-options", BootdiskOptionsView::get_values);
 377
 378             match options {
 379                 Some(Ok(options)) => {
 380                     siv.with_user_data(|state: &mut InstallerState| {
 381                         state.options.bootdisk = options;
 382                     });
 383
 384                     switch_to_next_screen(siv, InstallerStep::Timezone, &timezone_dialog);
 385                 }
 386
 387                 Some(Err(err)) => siv.add_layer(Dialog::info(format!("Invalid values: {err}"))),
 388                 _ => siv.add_layer(Dialog::info("Invalid values")),
 389             }
 390         }),
 391         true,
 392     )
 393 }
 394
 395 fn timezone_dialog(siv: &mut Cursive) -> InstallerView {
 396     let state = siv.user_data::<InstallerState>().unwrap();
 397     let options = &state.options.timezone;
 398
 399     InstallerView::new(
 400         state,
 401         TimezoneOptionsView::new(&state.locales, options).with_name("timezone-options"),
 402         Box::new(|siv| {
 403             let options = siv.call_on_name("timezone-options", TimezoneOptionsView::get_values);
 404
 405             match options {
 406                 Some(Ok(options)) => {
 407                     siv.with_user_data(|state: &mut InstallerState| {
 408                         state.options.timezone = options;
 409                     });
 410
 411                     switch_to_next_screen(siv, InstallerStep::Password, &password_dialog);
 412                 }
 413                 Some(Err(err)) => siv.add_layer(Dialog::info(format!("Invalid values: {err}"))),
 414                 _ => siv.add_layer(Dialog::info("Invalid values")),
 415             }
 416         }),
 417         true,
 418     )
 419 }
 420
 421 fn password_dialog(siv: &mut Cursive) -> InstallerView {
 422     let state = siv.user_data::<InstallerState>().unwrap();
 423     let options = &state.options.password;
 424
 425     let inner = FormView::new()
 426         .child("Root password", EditView::new().secret())
 427         .child("Confirm root password", EditView::new().secret())
 428         .child(
 429             "Administrator email",
 430             EditView::new().content(&options.email),
 431         )
 432         .with_name("password-options");
 433
 434     InstallerView::new(
 435         state,
 436         inner,
 437         Box::new(|siv| {
 438             let options = siv.call_on_name("password-options", |view: &mut FormView| {
 439                 let root_password = view
 440                     .get_value::<EditView, _>(0)
 441                     .ok_or("failed to retrieve password")?;
 442
 443                 let confirm_password = view
 444                     .get_value::<EditView, _>(1)
 445                     .ok_or("failed to retrieve password confirmation")?;
 446
 447                 let email = view
 448                     .get_value::<EditView, _>(2)
 449                     .ok_or("failed to retrieve email")?;
 450
 451                 let email_regex =
 452                     Regex::new(r"^[\w\+\-\~]+(\.[\w\+\-\~]+)*@[a-zA-Z0-9\-]+(\.[a-zA-Z0-9\-]+)*$")
 453                         .unwrap();
 454
 455                 if root_password.len() < 5 {
 456                     Err("password too short, must be at least 5 characters long")
 457                 } else if root_password != confirm_password {
 458                     Err("passwords do not match")
 459                 } else if email == "mail@example.invalid" {
 460                     Err("invalid email address")
 461                 } else if !email_regex.is_match(&email) {
 462                     Err("Email does not look like a valid address (user@domain.tld)")
 463                 } else {
 464                     Ok(PasswordOptions {
 465                         root_password,
 466                         email,
 467                     })
 468                 }
 469             });
 470
 471             match options {
 472                 Some(Ok(options)) => {
 473                     siv.with_user_data(|state: &mut InstallerState| {
 474                         state.options.password = options;
 475                     });
 476
 477                     switch_to_next_screen(siv, InstallerStep::Network, &network_dialog);
 478                 }
 479                 Some(Err(err)) => siv.add_layer(Dialog::info(format!("Invalid values: {err}"))),
 480                 _ => siv.add_layer(Dialog::info("Invalid values")),
 481             }
 482         }),
 483         false,
 484     )
 485 }
 486
 487 fn network_dialog(siv: &mut Cursive) -> InstallerView {
 488     let state = siv.user_data::<InstallerState>().unwrap();
 489     let options = &state.options.network;
 490     let ifaces = state.runtime_info.network.interfaces.values();
 491     let ifnames = ifaces
 492         .clone()
 493         .map(|iface| (iface.render(), iface.name.clone()));
 494     let mut ifaces_selection = SelectView::new().popup().with_all(ifnames.clone());
 495
 496     ifaces_selection.sort();
 497     ifaces_selection.set_selection(
 498         ifnames
 499             .clone()
 500             .position(|iface| iface.1 == options.ifname)
 501             .unwrap_or(ifaces.len() - 1),
 502     );
 503
 504     let inner = FormView::new()
 505         .child("Management interface", ifaces_selection)
 506         .child(
 507             "Hostname (FQDN)",
 508             EditView::new().content(options.fqdn.to_string()),
 509         )
 510         .child(
 511             "IP address (CIDR)",
 512             CidrAddressEditView::new().content(options.address.clone()),
 513         )
 514         .child(
 515             "Gateway address",
 516             EditView::new().content(options.gateway.to_string()),
 517         )
 518         .child(
 519             "DNS server address",
 520             EditView::new().content(options.dns_server.to_string()),
 521         )
 522         .with_name("network-options");
 523
 524     InstallerView::new(
 525         state,
 526         inner,
 527         Box::new(|siv| {
 528             let options = siv.call_on_name("network-options", |view: &mut FormView| {
 529                 let ifname = view
 530                     .get_value::<SelectView, _>(0)
 531                     .ok_or("failed to retrieve management interface name")?;
 532
 533                 let fqdn = view
 534                     .get_value::<EditView, _>(1)
 535                     .ok_or("failed to retrieve host FQDN")?
 536                     .parse::<Fqdn>()
 537                     .map_err(|err| format!("hostname does not look valid:\n\n{err}"))?;
 538
 539                 let address = view
 540                     .get_value::<CidrAddressEditView, _>(2)
 541                     .ok_or("failed to retrieve host address")?;
 542
 543                 let gateway = view
 544                     .get_value::<EditView, _>(3)
 545                     .ok_or("failed to retrieve gateway address")?
 546                     .parse::<IpAddr>()
 547                     .map_err(|err| err.to_string())?;
 548
 549                 let dns_server = view
 550                     .get_value::<EditView, _>(4)
 551                     .ok_or("failed to retrieve DNS server address")?
 552                     .parse::<IpAddr>()
 553                     .map_err(|err| err.to_string())?;
 554
 555                 if address.addr().is_ipv4() != gateway.is_ipv4() {
 556                     Err("host and gateway IP address version must not differ".to_owned())
 557                 } else if address.addr().is_ipv4() != dns_server.is_ipv4() {
 558                     Err("host and DNS IP address version must not differ".to_owned())
 559                 } else if fqdn.to_string().ends_with(".invalid") {
 560                     Err("hostname does not look valid".to_owned())
 561                 } else {
 562                     Ok(NetworkOptions {
 563                         ifname,
 564                         fqdn,
 565                         address,
 566                         gateway,
 567                         dns_server,
 568                     })
 569                 }
 570             });
 571
 572             match options {
 573                 Some(Ok(options)) => {
 574                     siv.with_user_data(|state: &mut InstallerState| {
 575                         state.options.network = options;
 576                     });
 577
 578                     switch_to_next_screen(siv, InstallerStep::Summary, &summary_dialog);
 579                 }
 580                 Some(Err(err)) => siv.add_layer(Dialog::info(format!("Invalid values: {err}"))),
 581                 _ => siv.add_layer(Dialog::info("Invalid values")),
 582             }
 583         }),
 584         true,
 585     )
 586 }
 587
 588 pub struct SummaryOption {
 589     name: &'static str,
 590     value: String,
 591 }
 592
 593 impl SummaryOption {
 594     pub fn new<S: Into<String>>(name: &'static str, value: S) -> Self {
 595         Self {
 596             name,
 597             value: value.into(),
 598         }
 599     }
 600 }
 601
 602 impl TableViewItem for SummaryOption {
 603     fn get_column(&self, name: &str) -> String {
 604         match name {
 605             "name" => self.name.to_owned(),
 606             "value" => self.value.clone(),
 607             _ => unreachable!(),
 608         }
 609     }
 610 }
 611
 612 fn summary_dialog(siv: &mut Cursive) -> InstallerView {
 613     let state = siv.user_data::<InstallerState>().unwrap();
 614
 615     let mut bbar = LinearLayout::horizontal()
 616         .child(abort_install_button())
 617         .child(DummyView.full_width())
 618         .child(Button::new("Previous", switch_to_prev_screen))
 619         .child(DummyView)
 620         .child(Button::new("Install", |siv| {
 621             let autoreboot = siv
 622                 .find_name("reboot-after-install")
 623                 .map(|v: ViewRef<Checkbox>| v.is_checked())
 624                 .unwrap_or_default();
 625
 626             siv.with_user_data(|state: &mut InstallerState| {
 627                 state.options.autoreboot = autoreboot;
 628             });
 629
 630             switch_to_next_screen(siv, InstallerStep::Install, &install_progress_dialog);
 631         }));
 632
 633     let _ = bbar.set_focus_index(2); // ignore errors
 634
 635     let mut inner = LinearLayout::vertical()
 636         .child(PaddedView::lrtb(
 637             0,
 638             0,
 639             1,
 640             2,
 641             TableView::new()
 642                 .columns(&[
 643                     ("name".to_owned(), "Option".to_owned()),
 644                     ("value".to_owned(), "Selected value".to_owned()),
 645                 ])
 646                 .items(state.options.to_summary(&state.locales)),
 647         ))
 648         .child(
 649             LinearLayout::horizontal()
 650                 .child(DummyView.full_width())
 651                 .child(Checkbox::new().checked().with_name("reboot-after-install"))
 652                 .child(
 653                     TextView::new(" Automatically reboot after successful installation").no_wrap(),
 654                 )
 655                 .child(DummyView.full_width()),
 656         )
 657         .child(PaddedView::lrtb(1, 1, 1, 0, bbar));
 658
 659     let _ = inner.set_focus_index(2); // ignore errors
 660
 661     InstallerView::with_raw(state, inner)
 662 }
 663
 664 fn install_progress_dialog(siv: &mut Cursive) -> InstallerView {
 665     // Ensure the screen is updated independently of keyboard events and such
 666     siv.set_autorefresh(true);
 667
 668     let state = siv.user_data::<InstallerState>().cloned().unwrap();
 669     InstallerView::with_raw(&state, InstallProgressView::new(siv))
 670 }