lib/install/deps.go

   1 // Copyright (C) The Arvados Authors. All rights reserved.
   2 //
   3 // SPDX-License-Identifier: AGPL-3.0
   4
   5 package install
   6
   7 import (
   8         "bufio"
   9         "bytes"
  10         "context"
  11         _ "embed"
  12         "errors"
  13         "flag"
  14         "fmt"
  15         "io"
  16         "os"
  17         "os/exec"
  18         "os/user"
  19         "path/filepath"
  20         "strconv"
  21         "strings"
  22         "syscall"
  23         "time"
  24
  25         "git.arvados.org/arvados.git/lib/cmd"
  26         "git.arvados.org/arvados.git/sdk/go/ctxlog"
  27         "github.com/lib/pq"
  28 )
  29
  30 var Command cmd.Handler = &installCommand{}
  31
  32 const goversion = "1.17.7"
  33
  34 const (
  35         rubyversion             = "2.7.5"
  36         bundlerversion          = "2.2.19"
  37         singularityversion      = "3.7.4"
  38         pjsversion              = "1.9.8"
  39         geckoversion            = "0.24.0"
  40         gradleversion           = "5.3.1"
  41         nodejsversion           = "v12.22.11"
  42         devtestDatabasePassword = "insecure_arvados_test"
  43         workbench2version       = "5e020488f67b5bc919796e0dc8b0b9f3b3ff23b0"
  44 )
  45
  46 //go:embed arvados.service
  47 var arvadosServiceFile []byte
  48
  49 type installCommand struct {
  50         ClusterType    string
  51         SourcePath     string
  52         PackageVersion string
  53         EatMyData      bool
  54 }
  55
  56 func (inst *installCommand) RunCommand(prog string, args []string, stdin io.Reader, stdout, stderr io.Writer) int {
  57         logger := ctxlog.New(stderr, "text", "info")
  58         ctx := ctxlog.Context(context.Background(), logger)
  59         ctx, cancel := context.WithCancel(ctx)
  60         defer cancel()
  61
  62         var err error
  63         defer func() {
  64                 if err != nil {
  65                         logger.WithError(err).Info("exiting")
  66                 }
  67         }()
  68
  69         flags := flag.NewFlagSet(prog, flag.ContinueOnError)
  70         flags.SetOutput(stderr)
  71         versionFlag := flags.Bool("version", false, "Write version information to stdout and exit 0")
  72         flags.StringVar(&inst.ClusterType, "type", "production", "cluster `type`: development, test, production, or package")
  73         flags.StringVar(&inst.SourcePath, "source", "/arvados", "source tree location (required for -type=package)")
  74         flags.StringVar(&inst.PackageVersion, "package-version", "0.0.0", "version string to embed in executable files")
  75         flags.BoolVar(&inst.EatMyData, "eatmydata", false, "use eatmydata to speed up install")
  76
  77         if ok, code := cmd.ParseFlags(flags, prog, args, "", stderr); !ok {
  78                 return code
  79         } else if *versionFlag {
  80                 return cmd.Version.RunCommand(prog, args, stdin, stdout, stderr)
  81         }
  82
  83         var dev, test, prod, pkg bool
  84         switch inst.ClusterType {
  85         case "development":
  86                 dev = true
  87         case "test":
  88                 test = true
  89         case "production":
  90                 prod = true
  91         case "package":
  92                 pkg = true
  93         default:
  94                 err = fmt.Errorf("invalid cluster type %q (must be 'development', 'test', 'production', or 'package')", inst.ClusterType)
  95                 return 2
  96         }
  97
  98         if prod {
  99                 err = errors.New("production install is not yet implemented")
 100                 return 1
 101         }
 102
 103         osv, err := identifyOS()
 104         if err != nil {
 105                 return 1
 106         }
 107
 108         listdir, err := os.Open("/var/lib/apt/lists")
 109         if err != nil {
 110                 logger.Warnf("error while checking whether to run apt-get update: %s", err)
 111         } else if names, _ := listdir.Readdirnames(1); len(names) == 0 {
 112                 // Special case for a base docker image where the
 113                 // package cache has been deleted and all "apt-get
 114                 // install" commands will fail unless we fetch repos.
 115                 cmd := exec.CommandContext(ctx, "apt-get", "update")
 116                 cmd.Stdout = stdout
 117                 cmd.Stderr = stderr
 118                 err = cmd.Run()
 119                 if err != nil {
 120                         return 1
 121                 }
 122         }
 123
 124         if inst.EatMyData {
 125                 cmd := exec.CommandContext(ctx, "apt-get", "install", "--yes", "--no-install-recommends", "eatmydata")
 126                 cmd.Env = append(os.Environ(), "DEBIAN_FRONTEND=noninteractive")
 127                 cmd.Stdout = stdout
 128                 cmd.Stderr = stderr
 129                 err = cmd.Run()
 130                 if err != nil {
 131                         return 1
 132                 }
 133         }
 134
 135         pkgs := prodpkgs(osv)
 136
 137         if pkg {
 138                 pkgs = append(pkgs,
 139                         "dpkg-dev",
 140                         "eatmydata", // install it for later steps, even if we're not using it now
 141                         "rsync",
 142                 )
 143         }
 144
 145         if dev || test || pkg {
 146                 pkgs = append(pkgs,
 147                         "automake",
 148                         "bison",
 149                         "bsdmainutils",
 150                         "build-essential",
 151                         "cadaver",
 152                         "curl",
 153                         "cython3",
 154                         "default-jdk-headless",
 155                         "default-jre-headless",
 156                         "gettext",
 157                         "libattr1-dev",
 158                         "libcrypt-ssleay-perl",
 159                         "libfuse-dev",
 160                         "libgnutls28-dev",
 161                         "libjson-perl",
 162                         "libpam-dev",
 163                         "libpcre3-dev",
 164                         "libpq-dev",
 165                         "libreadline-dev",
 166                         "libssl-dev",
 167                         "libwww-perl",
 168                         "libxml2-dev",
 169                         "libxslt1-dev",
 170                         "linkchecker",
 171                         "lsof",
 172                         "make",
 173                         "net-tools",
 174                         "pandoc",
 175                         "pkg-config",
 176                         "postgresql",
 177                         "postgresql-contrib",
 178                         "python3-dev",
 179                         "python3-venv",
 180                         "python3-virtualenv",
 181                         "r-base",
 182                         "r-cran-testthat",
 183                         "r-cran-devtools",
 184                         "r-cran-knitr",
 185                         "r-cran-markdown",
 186                         "r-cran-roxygen2",
 187                         "r-cran-xml",
 188                         "sudo",
 189                         "uuid-dev",
 190                         "wget",
 191                         "xvfb",
 192                 )
 193                 if test {
 194                         if osv.Debian && osv.Major <= 10 {
 195                                 pkgs = append(pkgs, "iceweasel")
 196                         } else {
 197                                 pkgs = append(pkgs, "firefox")
 198                         }
 199                 }
 200                 if dev || test {
 201                         pkgs = append(pkgs, "squashfs-tools") // for singularity
 202                 }
 203                 switch {
 204                 case osv.Debian && osv.Major >= 10:
 205                         pkgs = append(pkgs, "libcurl4", "perl-modules-5.32")
 206                 default:
 207                         pkgs = append(pkgs, "libcurl3", "perl-modules")
 208                 }
 209                 cmd := exec.CommandContext(ctx, "apt-get")
 210                 if inst.EatMyData {
 211                         cmd = exec.CommandContext(ctx, "eatmydata", "apt-get")
 212                 }
 213                 cmd.Args = append(cmd.Args, "install", "--yes", "--no-install-recommends")
 214                 cmd.Args = append(cmd.Args, pkgs...)
 215                 cmd.Env = append(os.Environ(), "DEBIAN_FRONTEND=noninteractive")
 216                 cmd.Stdout = stdout
 217                 cmd.Stderr = stderr
 218                 err = cmd.Run()
 219                 if err != nil {
 220                         return 1
 221                 }
 222         }
 223
 224         os.Mkdir("/var/lib/arvados", 0755)
 225         os.Mkdir("/var/lib/arvados/tmp", 0700)
 226         if prod || pkg {
 227                 u, er := user.Lookup("www-data")
 228                 if er != nil {
 229                         err = fmt.Errorf("user.Lookup(%q): %w", "www-data", er)
 230                         return 1
 231                 }
 232                 uid, _ := strconv.Atoi(u.Uid)
 233                 gid, _ := strconv.Atoi(u.Gid)
 234                 os.Mkdir("/var/lib/arvados/wwwtmp", 0700)
 235                 err = os.Chown("/var/lib/arvados/wwwtmp", uid, gid)
 236                 if err != nil {
 237                         return 1
 238                 }
 239         }
 240         rubymajorversion := rubyversion[:strings.LastIndex(rubyversion, ".")]
 241         if haverubyversion, err := exec.Command("/var/lib/arvados/bin/ruby", "-v").CombinedOutput(); err == nil && bytes.HasPrefix(haverubyversion, []byte("ruby "+rubyversion)) {
 242                 logger.Print("ruby " + rubyversion + " already installed")
 243         } else {
 244                 err = inst.runBash(`
 245 tmp="$(mktemp -d)"
 246 trap 'rm -r "${tmp}"' ERR EXIT
 247 wget --progress=dot:giga -O- https://cache.ruby-lang.org/pub/ruby/`+rubymajorversion+`/ruby-`+rubyversion+`.tar.gz | tar -C "${tmp}" -xzf -
 248 cd "${tmp}/ruby-`+rubyversion+`"
 249 ./configure --disable-install-static-library --enable-shared --disable-install-doc --prefix /var/lib/arvados
 250 make -j8
 251 make install
 252 /var/lib/arvados/bin/gem install bundler --no-document
 253 `, stdout, stderr)
 254                 if err != nil {
 255                         return 1
 256                 }
 257         }
 258
 259         if !prod {
 260                 if havegoversion, err := exec.Command("/usr/local/bin/go", "version").CombinedOutput(); err == nil && bytes.HasPrefix(havegoversion, []byte("go version go"+goversion+" ")) {
 261                         logger.Print("go " + goversion + " already installed")
 262                 } else {
 263                         err = inst.runBash(`
 264 cd /tmp
 265 rm -rf /var/lib/arvados/go/
 266 wget --progress=dot:giga -O- https://storage.googleapis.com/golang/go`+goversion+`.linux-amd64.tar.gz | tar -C /var/lib/arvados -xzf -
 267 ln -sfv /var/lib/arvados/go/bin/* /usr/local/bin/
 268 `, stdout, stderr)
 269                         if err != nil {
 270                                 return 1
 271                         }
 272                 }
 273         }
 274
 275         if !prod && !pkg {
 276                 if havepjsversion, err := exec.Command("/usr/local/bin/phantomjs", "--version").CombinedOutput(); err == nil && string(havepjsversion) == "1.9.8\n" {
 277                         logger.Print("phantomjs " + pjsversion + " already installed")
 278                 } else {
 279                         err = inst.runBash(`
 280 PJS=phantomjs-`+pjsversion+`-linux-x86_64
 281 wget --progress=dot:giga -O- https://cache.arvados.org/$PJS.tar.bz2 | tar -C /var/lib/arvados -xjf -
 282 ln -sfv /var/lib/arvados/$PJS/bin/phantomjs /usr/local/bin/
 283 `, stdout, stderr)
 284                         if err != nil {
 285                                 return 1
 286                         }
 287                 }
 288
 289                 if havegeckoversion, err := exec.Command("/usr/local/bin/geckodriver", "--version").CombinedOutput(); err == nil && strings.Contains(string(havegeckoversion), " "+geckoversion+" ") {
 290                         logger.Print("geckodriver " + geckoversion + " already installed")
 291                 } else {
 292                         err = inst.runBash(`
 293 GD=v`+geckoversion+`
 294 wget --progress=dot:giga -O- https://github.com/mozilla/geckodriver/releases/download/$GD/geckodriver-$GD-linux64.tar.gz | tar -C /var/lib/arvados/bin -xzf - geckodriver
 295 ln -sfv /var/lib/arvados/bin/geckodriver /usr/local/bin/
 296 `, stdout, stderr)
 297                         if err != nil {
 298                                 return 1
 299                         }
 300                 }
 301
 302                 if havegradleversion, err := exec.Command("/usr/local/bin/gradle", "--version").CombinedOutput(); err == nil && strings.Contains(string(havegradleversion), "Gradle "+gradleversion+"\n") {
 303                         logger.Print("gradle " + gradleversion + " already installed")
 304                 } else {
 305                         err = inst.runBash(`
 306 G=`+gradleversion+`
 307 zip=/var/lib/arvados/tmp/gradle-${G}-bin.zip
 308 trap "rm ${zip}" ERR
 309 wget --progress=dot:giga -O${zip} https://services.gradle.org/distributions/gradle-${G}-bin.zip
 310 unzip -o -d /var/lib/arvados ${zip}
 311 ln -sfv /var/lib/arvados/gradle-${G}/bin/gradle /usr/local/bin/
 312 rm ${zip}
 313 `, stdout, stderr)
 314                         if err != nil {
 315                                 return 1
 316                         }
 317                 }
 318
 319                 if havesingularityversion, err := exec.Command("/var/lib/arvados/bin/singularity", "--version").CombinedOutput(); err == nil && strings.Contains(string(havesingularityversion), singularityversion) {
 320                         logger.Print("singularity " + singularityversion + " already installed")
 321                 } else if dev || test {
 322                         err = inst.runBash(`
 323 S=`+singularityversion+`
 324 tmp=/var/lib/arvados/tmp/singularity
 325 trap "rm -r ${tmp}" ERR EXIT
 326 cd /var/lib/arvados/tmp
 327 git clone https://github.com/sylabs/singularity
 328 cd singularity
 329 git checkout v${S}
 330 ./mconfig --prefix=/var/lib/arvados
 331 make -C ./builddir
 332 make -C ./builddir install
 333 `, stdout, stderr)
 334                         if err != nil {
 335                                 return 1
 336                         }
 337                 }
 338
 339                 // The entry in /etc/locale.gen is "en_US.UTF-8"; once
 340                 // it's installed, locale -a reports it as
 341                 // "en_US.utf8".
 342                 wantlocale := "en_US.UTF-8"
 343                 if havelocales, err := exec.Command("locale", "-a").CombinedOutput(); err == nil && bytes.Contains(havelocales, []byte(strings.Replace(wantlocale+"\n", "UTF-", "utf", 1))) {
 344                         logger.Print("locale " + wantlocale + " already installed")
 345                 } else {
 346                         err = inst.runBash(`sed -i 's/^# *\(`+wantlocale+`\)/\1/' /etc/locale.gen && locale-gen`, stdout, stderr)
 347                         if err != nil {
 348                                 return 1
 349                         }
 350                 }
 351
 352                 var pgc struct {
 353                         Version       string
 354                         Cluster       string
 355                         Port          int
 356                         Status        string
 357                         Owner         string
 358                         DataDirectory string
 359                         LogFile       string
 360                 }
 361                 if pgLsclusters, err2 := exec.Command("pg_lsclusters", "--no-header").CombinedOutput(); err2 != nil {
 362                         err = fmt.Errorf("pg_lsclusters: %s", err2)
 363                         return 1
 364                 } else if pgclusters := strings.Split(strings.TrimSpace(string(pgLsclusters)), "\n"); len(pgclusters) != 1 {
 365                         logger.Warnf("pg_lsclusters returned %d postgresql clusters -- skipping postgresql initdb/startup, hope that's ok", len(pgclusters))
 366                 } else if _, err = fmt.Sscanf(pgclusters[0], "%s %s %d %s %s %s %s", &pgc.Version, &pgc.Cluster, &pgc.Port, &pgc.Status, &pgc.Owner, &pgc.DataDirectory, &pgc.LogFile); err != nil {
 367                         err = fmt.Errorf("error parsing pg_lsclusters output: %s", err)
 368                         return 1
 369                 } else if pgc.Status == "online" {
 370                         logger.Infof("postgresql cluster %s-%s is online", pgc.Version, pgc.Cluster)
 371                 } else {
 372                         logger.Infof("postgresql cluster %s-%s is %s; trying to start", pgc.Version, pgc.Cluster, pgc.Status)
 373                         cmd := exec.Command("pg_ctlcluster", "--foreground", pgc.Version, pgc.Cluster, "start")
 374                         cmd.Stdout = stdout
 375                         cmd.Stderr = stderr
 376                         err = cmd.Start()
 377                         if err != nil {
 378                                 return 1
 379                         }
 380                         defer func() {
 381                                 cmd.Process.Signal(syscall.SIGTERM)
 382                                 logger.Info("sent SIGTERM; waiting for postgres to shut down")
 383                                 cmd.Wait()
 384                         }()
 385                         err = waitPostgreSQLReady()
 386                         if err != nil {
 387                                 return 1
 388                         }
 389                 }
 390
 391                 if os.Getpid() == 1 {
 392                         // We are the init process (presumably in a
 393                         // docker container) so although postgresql is
 394                         // installed, it's not running, and initdb
 395                         // might never have been run.
 396                 }
 397
 398                 var needcoll []string
 399                 // If the en_US.UTF-8 locale wasn't installed when
 400                 // postgresql initdb ran, it needs to be added
 401                 // explicitly before we can use it in our test suite.
 402                 for _, collname := range []string{"en_US", "en_US.UTF-8"} {
 403                         cmd := exec.Command("sudo", "-u", "postgres", "psql", "-t", "-c", "SELECT 1 FROM pg_catalog.pg_collation WHERE collname='"+collname+"' AND collcollate IN ('en_US.UTF-8', 'en_US.utf8')")
 404                         cmd.Dir = "/"
 405                         out, err2 := cmd.CombinedOutput()
 406                         if err != nil {
 407                                 err = fmt.Errorf("error while checking postgresql collations: %s", err2)
 408                                 return 1
 409                         }
 410                         if strings.Contains(string(out), "1") {
 411                                 logger.Infof("postgresql supports collation %s", collname)
 412                         } else {
 413                                 needcoll = append(needcoll, collname)
 414                         }
 415                 }
 416                 if len(needcoll) > 0 && os.Getpid() != 1 {
 417                         // In order for the CREATE COLLATION statement
 418                         // below to work, the locale must have existed
 419                         // when PostgreSQL started up. If we're
 420                         // running as init, we must have started
 421                         // PostgreSQL ourselves after installing the
 422                         // locales. Otherwise, it might need a
 423                         // restart, so we attempt to restart it with
 424                         // systemd.
 425                         if err = inst.runBash(`sudo systemctl restart postgresql`, stdout, stderr); err != nil {
 426                                 logger.Warn("`systemctl restart postgresql` failed; hoping postgresql does not need to be restarted")
 427                         } else if err = waitPostgreSQLReady(); err != nil {
 428                                 return 1
 429                         }
 430                 }
 431                 for _, collname := range needcoll {
 432                         cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "CREATE COLLATION \""+collname+"\" (LOCALE = \"en_US.UTF-8\")")
 433                         cmd.Stdout = stdout
 434                         cmd.Stderr = stderr
 435                         cmd.Dir = "/"
 436                         err = cmd.Run()
 437                         if err != nil {
 438                                 err = fmt.Errorf("error adding postgresql collation %s: %s", collname, err)
 439                                 return 1
 440                         }
 441                 }
 442
 443                 withstuff := "WITH LOGIN SUPERUSER ENCRYPTED PASSWORD " + pq.QuoteLiteral(devtestDatabasePassword)
 444                 cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "ALTER ROLE arvados "+withstuff)
 445                 cmd.Dir = "/"
 446                 if err := cmd.Run(); err == nil {
 447                         logger.Print("arvados role exists; superuser privileges added, password updated")
 448                 } else {
 449                         cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "CREATE ROLE arvados "+withstuff)
 450                         cmd.Dir = "/"
 451                         cmd.Stdout = stdout
 452                         cmd.Stderr = stderr
 453                         err = cmd.Run()
 454                         if err != nil {
 455                                 return 1
 456                         }
 457                 }
 458         }
 459
 460         if !prod {
 461                 if havenodejsversion, err := exec.Command("/usr/local/bin/node", "--version").CombinedOutput(); err == nil && string(havenodejsversion) == nodejsversion+"\n" {
 462                         logger.Print("nodejs " + nodejsversion + " already installed")
 463                 } else {
 464                         err = inst.runBash(`
 465 NJS=`+nodejsversion+`
 466 wget --progress=dot:giga -O- https://nodejs.org/dist/${NJS}/node-${NJS}-linux-x64.tar.xz | sudo tar -C /var/lib/arvados -xJf -
 467 ln -sfv /var/lib/arvados/node-${NJS}-linux-x64/bin/{node,npm} /usr/local/bin/
 468 `, stdout, stderr)
 469                         if err != nil {
 470                                 return 1
 471                         }
 472                 }
 473
 474                 if haveyarnversion, err := exec.Command("/usr/local/bin/yarn", "--version").CombinedOutput(); err == nil && len(haveyarnversion) > 0 {
 475                         logger.Print("yarn " + strings.TrimSpace(string(haveyarnversion)) + " already installed")
 476                 } else {
 477                         err = inst.runBash(`
 478 npm install -g yarn
 479 ln -sfv /var/lib/arvados/node-`+nodejsversion+`-linux-x64/bin/{yarn,yarnpkg} /usr/local/bin/
 480 `, stdout, stderr)
 481                         if err != nil {
 482                                 return 1
 483                         }
 484                 }
 485
 486                 if havewb2version, err := exec.Command("git", "--git-dir=/var/lib/arvados/arvados-workbench2/.git", "log", "-n1", "--format=%H").CombinedOutput(); err == nil && string(havewb2version) == workbench2version+"\n" {
 487                         logger.Print("workbench2 repo is already at " + workbench2version)
 488                 } else {
 489                         err = inst.runBash(`
 490 V=`+workbench2version+`
 491 cd /var/lib/arvados
 492 if [[ ! -e arvados-workbench2 ]]; then
 493   git clone https://git.arvados.org/arvados-workbench2.git
 494   cd arvados-workbench2
 495   git checkout $V
 496 else
 497   cd arvados-workbench2
 498   if ! git checkout $V; then
 499     git fetch
 500     git checkout yarn.lock
 501     git checkout $V
 502   fi
 503 fi
 504 rm -rf build
 505 `, stdout, stderr)
 506                         if err != nil {
 507                                 return 1
 508                         }
 509                 }
 510
 511                 if err = inst.runBash(`
 512 cd /var/lib/arvados/arvados-workbench2
 513 yarn install
 514 `, stdout, stderr); err != nil {
 515                         return 1
 516                 }
 517         }
 518
 519         if prod || pkg {
 520                 // Install Go programs to /var/lib/arvados/bin/
 521                 for _, srcdir := range []string{
 522                         "cmd/arvados-client",
 523                         "cmd/arvados-server",
 524                         "services/arv-git-httpd",
 525                         "services/crunch-dispatch-local",
 526                         "services/crunch-dispatch-slurm",
 527                         "services/health",
 528                         "services/keep-balance",
 529                         "services/keep-web",
 530                         "services/keepproxy",
 531                         "services/keepstore",
 532                         "services/ws",
 533                 } {
 534                         fmt.Fprintf(stderr, "building %s...\n", srcdir)
 535                         cmd := exec.Command("go", "install", "-ldflags", "-X git.arvados.org/arvados.git/lib/cmd.version="+inst.PackageVersion+" -X main.version="+inst.PackageVersion+" -s -w")
 536                         cmd.Env = append(cmd.Env, os.Environ()...)
 537                         cmd.Env = append(cmd.Env, "GOBIN=/var/lib/arvados/bin")
 538                         cmd.Dir = filepath.Join(inst.SourcePath, srcdir)
 539                         cmd.Stdout = stdout
 540                         cmd.Stderr = stderr
 541                         err = cmd.Run()
 542                         if err != nil {
 543                                 return 1
 544                         }
 545                 }
 546
 547                 // Symlink user-facing Go programs /usr/bin/x ->
 548                 // /var/lib/arvados/bin/x
 549                 for _, prog := range []string{"arvados-client", "arvados-server"} {
 550                         err = os.Remove("/usr/bin/" + prog)
 551                         if err != nil && !errors.Is(err, os.ErrNotExist) {
 552                                 return 1
 553                         }
 554                         err = os.Symlink("/var/lib/arvados/bin/"+prog, "/usr/bin/"+prog)
 555                         if err != nil {
 556                                 return 1
 557                         }
 558                 }
 559
 560                 // Copy assets from source tree to /var/lib/arvados/share
 561                 cmd := exec.Command("install", "-v", "-t", "/var/lib/arvados/share", filepath.Join(inst.SourcePath, "sdk/python/tests/nginx.conf"))
 562                 cmd.Stdout = stdout
 563                 cmd.Stderr = stderr
 564                 err = cmd.Run()
 565                 if err != nil {
 566                         return 1
 567                 }
 568
 569                 // Install Rails apps to /var/lib/arvados/{railsapi,workbench1}/
 570                 for dstdir, srcdir := range map[string]string{
 571                         "railsapi":   "services/api",
 572                         "workbench1": "apps/workbench",
 573                 } {
 574                         fmt.Fprintf(stderr, "building %s...\n", srcdir)
 575                         cmd := exec.Command("rsync",
 576                                 "-a", "--no-owner", "--no-group", "--delete-after", "--delete-excluded",
 577                                 "--exclude", "/coverage",
 578                                 "--exclude", "/log",
 579                                 "--exclude", "/node_modules",
 580                                 "--exclude", "/tmp",
 581                                 "--exclude", "/public/assets",
 582                                 "--exclude", "/vendor",
 583                                 "--exclude", "/config/environments",
 584                                 "./", "/var/lib/arvados/"+dstdir+"/")
 585                         cmd.Dir = filepath.Join(inst.SourcePath, srcdir)
 586                         cmd.Stdout = stdout
 587                         cmd.Stderr = stderr
 588                         err = cmd.Run()
 589                         if err != nil {
 590                                 return 1
 591                         }
 592                         for _, cmdline := range [][]string{
 593                                 {"mkdir", "-p", "log", "public/assets", "tmp", "vendor", ".bundle", "/var/www/.bundle", "/var/www/.gem", "/var/www/.npm", "/var/www/.passenger"},
 594                                 {"touch", "log/production.log"},
 595                                 {"chown", "-R", "--from=root", "www-data:www-data", "/var/www/.bundle", "/var/www/.gem", "/var/www/.npm", "/var/www/.passenger", "log", "tmp", "vendor", ".bundle", "Gemfile.lock", "config.ru", "config/environment.rb"},
 596                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/gem", "install", "--user", "--conservative", "--no-document", "bundler:" + bundlerversion},
 597                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "install", "--deployment", "--jobs", "8", "--path", "/var/www/.gem", "--without", "development test diagnostics performance"},
 598
 599                                 {"chown", "www-data:www-data", ".", "public/assets"},
 600                                 // {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "config", "set", "--local", "system", "true"},
 601                                 {"sudo", "-u", "www-data", "ARVADOS_CONFIG=none", "RAILS_GROUPS=assets", "RAILS_ENV=production", "/var/lib/arvados/bin/bundle", "exec", "rake", "npm:install"},
 602                                 {"sudo", "-u", "www-data", "ARVADOS_CONFIG=none", "RAILS_GROUPS=assets", "RAILS_ENV=production", "/var/lib/arvados/bin/bundle", "exec", "rake", "assets:precompile"},
 603                                 {"chown", "root:root", "."},
 604                                 {"chown", "-R", "root:root", "public/assets", "vendor"},
 605
 606                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "build-native-support"},
 607                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "install-standalone-runtime"},
 608                         } {
 609                                 if cmdline[len(cmdline)-2] == "rake" && dstdir != "workbench1" {
 610                                         continue
 611                                 }
 612                                 cmd = exec.Command(cmdline[0], cmdline[1:]...)
 613                                 cmd.Dir = "/var/lib/arvados/" + dstdir
 614                                 cmd.Stdout = stdout
 615                                 cmd.Stderr = stderr
 616                                 fmt.Fprintf(stderr, "... %s\n", cmd.Args)
 617                                 err = cmd.Run()
 618                                 if err != nil {
 619                                         return 1
 620                                 }
 621                         }
 622                         cmd = exec.Command("sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "validate-install")
 623                         cmd.Dir = "/var/lib/arvados/" + dstdir
 624                         cmd.Stdout = stdout
 625                         cmd.Stderr = stderr
 626                         err = cmd.Run()
 627                         if err != nil && !strings.Contains(err.Error(), "exit status 2") {
 628                                 // Exit code 2 indicates there were warnings (like
 629                                 // "other passenger installations have been detected",
 630                                 // which we can't expect to avoid) but no errors.
 631                                 // Other non-zero exit codes (1, 9) indicate errors.
 632                                 return 1
 633                         }
 634                 }
 635
 636                 // Install workbench2 app to /var/lib/arvados/workbench2/
 637                 if err = inst.runBash(`
 638 cd /var/lib/arvados/arvados-workbench2
 639 VERSION="`+inst.PackageVersion+`" BUILD_NUMBER=1 GIT_COMMIT="`+workbench2version[:9]+`" yarn build
 640 rsync -a --delete-after build/ /var/lib/arvados/workbench2/
 641 `, stdout, stderr); err != nil {
 642                         return 1
 643                 }
 644
 645                 err = os.WriteFile("/lib/systemd/system/arvados.service", arvadosServiceFile, 0777)
 646                 if err != nil {
 647                         return 1
 648                 }
 649                 // This is equivalent to "systemd enable", but does
 650                 // not depend on the systemctl program being
 651                 // available.
 652                 symlink := "/etc/systemd/system/multi-user.target.wants/arvados.service"
 653                 err = os.Remove(symlink)
 654                 if err != nil && !errors.Is(err, os.ErrNotExist) {
 655                         return 1
 656                 }
 657                 err = os.Symlink("/lib/systemd/system/arvados.service", symlink)
 658                 if err != nil {
 659                         return 1
 660                 }
 661         }
 662
 663         return 0
 664 }
 665
 666 type osversion struct {
 667         Debian bool
 668         Ubuntu bool
 669         Centos bool
 670         Major  int
 671 }
 672
 673 func identifyOS() (osversion, error) {
 674         var osv osversion
 675         f, err := os.Open("/etc/os-release")
 676         if err != nil {
 677                 return osv, err
 678         }
 679         defer f.Close()
 680
 681         kv := map[string]string{}
 682         scanner := bufio.NewScanner(f)
 683         for scanner.Scan() {
 684                 line := strings.TrimSpace(scanner.Text())
 685                 if strings.HasPrefix(line, "#") {
 686                         continue
 687                 }
 688                 toks := strings.SplitN(line, "=", 2)
 689                 if len(toks) != 2 {
 690                         return osv, fmt.Errorf("invalid line in /etc/os-release: %q", line)
 691                 }
 692                 k := toks[0]
 693                 v := strings.Trim(toks[1], `"`)
 694                 if v == toks[1] {
 695                         v = strings.Trim(v, `'`)
 696                 }
 697                 kv[k] = v
 698         }
 699         if err = scanner.Err(); err != nil {
 700                 return osv, err
 701         }
 702         switch kv["ID"] {
 703         case "ubuntu":
 704                 osv.Ubuntu = true
 705         case "debian":
 706                 osv.Debian = true
 707         case "centos":
 708                 osv.Centos = true
 709         default:
 710                 return osv, fmt.Errorf("unsupported ID in /etc/os-release: %q", kv["ID"])
 711         }
 712         vstr := kv["VERSION_ID"]
 713         if i := strings.Index(vstr, "."); i > 0 {
 714                 vstr = vstr[:i]
 715         }
 716         osv.Major, err = strconv.Atoi(vstr)
 717         if err != nil {
 718                 return osv, fmt.Errorf("incomprehensible VERSION_ID in /etc/os-release: %q", kv["VERSION_ID"])
 719         }
 720         return osv, nil
 721 }
 722
 723 func waitPostgreSQLReady() error {
 724         for deadline := time.Now().Add(10 * time.Second); ; {
 725                 output, err := exec.Command("pg_isready").CombinedOutput()
 726                 if err == nil {
 727                         return nil
 728                 } else if time.Now().After(deadline) {
 729                         return fmt.Errorf("timed out waiting for pg_isready (%q)", output)
 730                 } else {
 731                         time.Sleep(time.Second)
 732                 }
 733         }
 734 }
 735
 736 func (inst *installCommand) runBash(script string, stdout, stderr io.Writer) error {
 737         cmd := exec.Command("bash", "-")
 738         if inst.EatMyData {
 739                 cmd = exec.Command("eatmydata", "bash", "-")
 740         }
 741         cmd.Stdin = bytes.NewBufferString("set -ex -o pipefail\n" + script)
 742         cmd.Stdout = stdout
 743         cmd.Stderr = stderr
 744         return cmd.Run()
 745 }
 746
 747 func prodpkgs(osv osversion) []string {
 748         pkgs := []string{
 749                 "ca-certificates",
 750                 "curl",
 751                 "fuse",
 752                 "git",
 753                 "gitolite3",
 754                 "graphviz",
 755                 "haveged",
 756                 "libcurl3-gnutls",
 757                 "libxslt1.1",
 758                 "nginx",
 759                 "python",
 760                 "sudo",
 761         }
 762         if osv.Debian || osv.Ubuntu {
 763                 if osv.Debian && osv.Major == 8 {
 764                         pkgs = append(pkgs, "libgnutls-deb0-28") // sdk/cwl
 765                 } else if osv.Debian && osv.Major >= 10 || osv.Ubuntu && osv.Major >= 16 {
 766                         pkgs = append(pkgs, "python3-distutils") // sdk/cwl
 767                 }
 768                 return append(pkgs,
 769                         "g++",
 770                         "libcurl4-openssl-dev", // services/api
 771                         "libpq-dev",
 772                         "libpython2.7", // services/fuse
 773                         "mime-support", // keep-web
 774                         "zlib1g-dev",   // services/api
 775                 )
 776         } else if osv.Centos {
 777                 return append(pkgs,
 778                         "fuse-libs", // services/fuse
 779                         "gcc",
 780                         "gcc-c++",
 781                         "libcurl-devel",    // services/api
 782                         "mailcap",          // keep-web
 783                         "postgresql-devel", // services/api
 784                 )
 785         } else {
 786                 panic("os version not supported")
 787         }
 788 }
 789
 790 func ProductionDependencies() ([]string, error) {
 791         osv, err := identifyOS()
 792         if err != nil {
 793                 return nil, err
 794         }
 795         return prodpkgs(osv), nil
 796 }