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         "regexp"
  21         "runtime"
  22         "strconv"
  23         "strings"
  24         "syscall"
  25         "time"
  26
  27         "git.arvados.org/arvados.git/lib/cmd"
  28         "git.arvados.org/arvados.git/sdk/go/ctxlog"
  29         "github.com/lib/pq"
  30 )
  31
  32 var Command cmd.Handler = &installCommand{}
  33
  34 const goversion = "1.20.6"
  35
  36 const (
  37         defaultRubyVersion      = "3.2.2"
  38         bundlerversion          = "2.2.19"
  39         singularityversion      = "3.10.4"
  40         pjsversion              = "1.9.8"
  41         geckoversion            = "0.24.0"
  42         gradleversion           = "5.3.1"
  43         nodejsversion           = "v12.22.12"
  44         devtestDatabasePassword = "insecure_arvados_test"
  45 )
  46
  47 //go:embed arvados.service
  48 var arvadosServiceFile []byte
  49
  50 type installCommand struct {
  51         ClusterType    string
  52         SourcePath     string
  53         Commit         string
  54         PackageVersion string
  55         RubyVersion    string
  56         EatMyData      bool
  57 }
  58
  59 func (inst *installCommand) RunCommand(prog string, args []string, stdin io.Reader, stdout, stderr io.Writer) int {
  60         logger := ctxlog.New(stderr, "text", "info")
  61         ctx := ctxlog.Context(context.Background(), logger)
  62         ctx, cancel := context.WithCancel(ctx)
  63         defer cancel()
  64
  65         var err error
  66         defer func() {
  67                 if err != nil {
  68                         logger.WithError(err).Info("exiting")
  69                 }
  70         }()
  71
  72         flags := flag.NewFlagSet(prog, flag.ContinueOnError)
  73         flags.SetOutput(stderr)
  74         versionFlag := flags.Bool("version", false, "Write version information to stdout and exit 0")
  75         flags.StringVar(&inst.ClusterType, "type", "production", "cluster `type`: development, test, production, or package")
  76         flags.StringVar(&inst.SourcePath, "source", "/arvados", "source tree location (required for -type=package)")
  77         flags.StringVar(&inst.Commit, "commit", "", "source commit `hash` to embed (blank means use 'git log' or all-zero placeholder)")
  78         flags.StringVar(&inst.PackageVersion, "package-version", "0.0.0", "version string to embed in executable files")
  79         flags.StringVar(&inst.RubyVersion, "ruby-version", defaultRubyVersion, "Ruby `version` to install (do not override in production mode)")
  80         flags.BoolVar(&inst.EatMyData, "eatmydata", false, "use eatmydata to speed up install")
  81
  82         if ok, code := cmd.ParseFlags(flags, prog, args, "", stderr); !ok {
  83                 return code
  84         } else if *versionFlag {
  85                 return cmd.Version.RunCommand(prog, args, stdin, stdout, stderr)
  86         }
  87
  88         if inst.Commit == "" {
  89                 if commit, err := exec.Command("env", "-C", inst.SourcePath, "git", "log", "-n1", "--format=%H").CombinedOutput(); err == nil {
  90                         inst.Commit = strings.TrimSpace(string(commit))
  91                 } else {
  92                         inst.Commit = "0000000000000000000000000000000000000000"
  93                 }
  94         }
  95
  96         var dev, test, prod, pkg bool
  97         switch inst.ClusterType {
  98         case "development":
  99                 dev = true
 100         case "test":
 101                 test = true
 102         case "production":
 103                 prod = true
 104         case "package":
 105                 pkg = true
 106         default:
 107                 err = fmt.Errorf("invalid cluster type %q (must be 'development', 'test', 'production', or 'package')", inst.ClusterType)
 108                 return 2
 109         }
 110
 111         if prod {
 112                 err = errors.New("production install is not yet implemented")
 113                 return 1
 114         }
 115
 116         if ok, _ := regexp.MatchString(`^\d\.\d+\.\d+$`, inst.RubyVersion); !ok {
 117                 fmt.Fprintf(stderr, "invalid argument %q for -ruby-version\n", inst.RubyVersion)
 118                 return 64
 119         }
 120
 121         osv, err := identifyOS()
 122         if err != nil {
 123                 return 1
 124         }
 125
 126         listdir, err := os.Open("/var/lib/apt/lists")
 127         if err != nil {
 128                 logger.Warnf("error while checking whether to run apt-get update: %s", err)
 129         } else if names, _ := listdir.Readdirnames(1); len(names) == 0 {
 130                 // Special case for a base docker image where the
 131                 // package cache has been deleted and all "apt-get
 132                 // install" commands will fail unless we fetch repos.
 133                 cmd := exec.CommandContext(ctx, "apt-get", "update")
 134                 cmd.Stdout = stdout
 135                 cmd.Stderr = stderr
 136                 err = cmd.Run()
 137                 if err != nil {
 138                         return 1
 139                 }
 140         }
 141
 142         if inst.EatMyData {
 143                 cmd := exec.CommandContext(ctx, "apt-get", "install", "--yes", "--no-install-recommends", "eatmydata")
 144                 cmd.Env = append(os.Environ(), "DEBIAN_FRONTEND=noninteractive")
 145                 cmd.Stdout = stdout
 146                 cmd.Stderr = stderr
 147                 err = cmd.Run()
 148                 if err != nil {
 149                         return 1
 150                 }
 151         }
 152
 153         pkgs := prodpkgs(osv)
 154
 155         if pkg {
 156                 pkgs = append(pkgs,
 157                         "dpkg-dev",
 158                         "eatmydata", // install it for later steps, even if we're not using it now
 159                 )
 160         }
 161
 162         if dev || test || pkg {
 163                 pkgs = append(pkgs,
 164                         "automake",
 165                         "bison",
 166                         "bsdmainutils",
 167                         "build-essential",
 168                         "cadaver",
 169                         "curl",
 170                         "cython3",
 171                         "default-jdk-headless",
 172                         "default-jre-headless",
 173                         "gettext",
 174                         "libattr1-dev",
 175                         "libffi-dev",
 176                         "libfuse-dev",
 177                         "libgbm1", // cypress / workbench2 tests
 178                         "libgnutls28-dev",
 179                         "libpam-dev",
 180                         "libpcre3-dev",
 181                         "libpq-dev",
 182                         "libreadline-dev",
 183                         "libssl-dev",
 184                         "libxml2-dev",
 185                         "libxslt1-dev",
 186                         "libyaml-dev",
 187                         "linkchecker",
 188                         "lsof",
 189                         "make",
 190                         "net-tools",
 191                         "pandoc",
 192                         "pkg-config",
 193                         "postgresql",
 194                         "postgresql-contrib",
 195                         "python3-dev",
 196                         "python3-venv",
 197                         "python3-virtualenv",
 198                         "r-base",
 199                         "r-cran-testthat",
 200                         "r-cran-devtools",
 201                         "r-cran-knitr",
 202                         "r-cran-markdown",
 203                         "r-cran-roxygen2",
 204                         "r-cran-xml",
 205                         "rsync",
 206                         "sudo",
 207                         "uuid-dev",
 208                         "wget",
 209                         "xvfb",
 210                         "zlib1g-dev", // services/api
 211                 )
 212                 if test {
 213                         if osv.Debian && osv.Major <= 10 {
 214                                 pkgs = append(pkgs, "iceweasel")
 215                         } else if osv.Debian && osv.Major >= 11 {
 216                                 pkgs = append(pkgs, "firefox-esr")
 217                         } else {
 218                                 pkgs = append(pkgs, "firefox")
 219                         }
 220                 }
 221                 if dev || test {
 222                         pkgs = append(pkgs,
 223                                 "libglib2.0-dev", // singularity (conmon)
 224                                 "libseccomp-dev", // singularity (seccomp)
 225                                 "squashfs-tools", // singularity
 226                                 "gnupg")          // docker install recipe
 227                 }
 228                 switch {
 229                 case osv.Debian && osv.Major >= 10,
 230                         osv.Ubuntu && osv.Major >= 22:
 231                         pkgs = append(pkgs, "g++", "libcurl4", "libcurl4-openssl-dev")
 232                 case osv.Debian || osv.Ubuntu:
 233                         pkgs = append(pkgs, "g++", "libcurl3", "libcurl3-openssl-dev")
 234                 case osv.Centos:
 235                         pkgs = append(pkgs, "gcc", "gcc-c++", "libcurl-devel", "postgresql-devel")
 236                 }
 237                 cmd := exec.CommandContext(ctx, "apt-get")
 238                 if inst.EatMyData {
 239                         cmd = exec.CommandContext(ctx, "eatmydata", "apt-get")
 240                 }
 241                 cmd.Args = append(cmd.Args, "install", "--yes", "--no-install-recommends")
 242                 cmd.Args = append(cmd.Args, pkgs...)
 243                 cmd.Env = append(os.Environ(), "DEBIAN_FRONTEND=noninteractive")
 244                 cmd.Stdout = stdout
 245                 cmd.Stderr = stderr
 246                 err = cmd.Run()
 247                 if err != nil {
 248                         return 1
 249                 }
 250         }
 251
 252         if dev || test {
 253                 if havedockerversion, err2 := exec.Command("docker", "--version").CombinedOutput(); err2 == nil {
 254                         logger.Printf("%s installed, assuming that version is ok", bytes.TrimSuffix(havedockerversion, []byte("\n")))
 255                 } else if osv.Debian {
 256                         var codename string
 257                         switch osv.Major {
 258                         case 10:
 259                                 codename = "buster"
 260                         case 11:
 261                                 codename = "bullseye"
 262                         case 12:
 263                                 codename = "bookworm"
 264                         default:
 265                                 err = fmt.Errorf("don't know how to install docker-ce for debian %d", osv.Major)
 266                                 return 1
 267                         }
 268                         err = inst.runBash(`
 269 rm -f /usr/share/keyrings/docker-archive-keyring.gpg
 270 curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
 271 echo 'deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian/ `+codename+` stable' | \
 272     tee /etc/apt/sources.list.d/docker.list
 273 apt-get update
 274 DEBIAN_FRONTEND=noninteractive apt-get --yes --no-install-recommends install docker-ce
 275 `, stdout, stderr)
 276                         if err != nil {
 277                                 return 1
 278                         }
 279                 } else {
 280                         err = fmt.Errorf("don't know how to install docker for osversion %v", osv)
 281                         return 1
 282                 }
 283
 284                 err = inst.runBash(`
 285 key=fs.inotify.max_user_watches
 286 min=524288
 287 if [[ "$(sysctl --values "${key}")" -lt "${min}" ]]; then
 288     sysctl "${key}=${min}"
 289     # writing sysctl worked, so we should make it permanent
 290     echo "${key}=${min}" | tee -a /etc/sysctl.conf
 291     sysctl -p
 292 fi
 293 `, stdout, stderr)
 294                 if err != nil {
 295                         err = fmt.Errorf("couldn't set fs.inotify.max_user_watches value. (Is this a docker container? Fix this on the docker host by adding fs.inotify.max_user_watches=524288 to /etc/sysctl.conf and running `sysctl -p`)")
 296                         return 1
 297                 }
 298         }
 299
 300         os.Mkdir("/var/lib/arvados", 0755)
 301         os.Mkdir("/var/lib/arvados/tmp", 0700)
 302         if prod || pkg {
 303                 u, er := user.Lookup("www-data")
 304                 if er != nil {
 305                         err = fmt.Errorf("user.Lookup(%q): %w", "www-data", er)
 306                         return 1
 307                 }
 308                 uid, _ := strconv.Atoi(u.Uid)
 309                 gid, _ := strconv.Atoi(u.Gid)
 310                 os.Mkdir("/var/lib/arvados/wwwtmp", 0700)
 311                 err = os.Chown("/var/lib/arvados/wwwtmp", uid, gid)
 312                 if err != nil {
 313                         return 1
 314                 }
 315         }
 316         rubyminorversion := inst.RubyVersion[:strings.LastIndex(inst.RubyVersion, ".")]
 317         if haverubyversion, err := exec.Command("/var/lib/arvados/bin/ruby", "-v").CombinedOutput(); err == nil && bytes.HasPrefix(haverubyversion, []byte("ruby "+inst.RubyVersion)) {
 318                 logger.Print("ruby " + inst.RubyVersion + " already installed")
 319         } else {
 320                 err = inst.runBash(`
 321 rubyversion="`+inst.RubyVersion+`"
 322 rubyminorversion="`+rubyminorversion+`"
 323 tmp="$(mktemp -d)"
 324 trap 'rm -r "${tmp}"' ERR EXIT
 325 wget --progress=dot:giga -O- "https://cache.ruby-lang.org/pub/ruby/$rubyminorversion/ruby-$rubyversion.tar.gz" | tar -C "${tmp}" -xzf -
 326 cd "${tmp}/ruby-$rubyversion"
 327 ./configure --disable-install-static-library --enable-shared --disable-install-doc --prefix /var/lib/arvados
 328 make -j8
 329 rm -f /var/lib/arvados/bin/erb
 330 make install
 331 if [[ "$rubyversion" > "3" ]]; then
 332   /var/lib/arvados/bin/gem update --no-document --system 3.4.21
 333 fi
 334 /var/lib/arvados/bin/gem install bundler --no-document
 335 `, stdout, stderr)
 336                 if err != nil {
 337                         return 1
 338                 }
 339         }
 340
 341         if !prod {
 342                 if havegoversion, err := exec.Command("/usr/local/bin/go", "version").CombinedOutput(); err == nil && bytes.HasPrefix(havegoversion, []byte("go version go"+goversion+" ")) {
 343                         logger.Print("go " + goversion + " already installed")
 344                 } else {
 345                         err = inst.runBash(`
 346 cd /tmp
 347 rm -rf /var/lib/arvados/go/
 348 wget --progress=dot:giga -O- https://storage.googleapis.com/golang/go`+goversion+`.linux-amd64.tar.gz | tar -C /var/lib/arvados -xzf -
 349 ln -sfv /var/lib/arvados/go/bin/* /usr/local/bin/
 350 `, stdout, stderr)
 351                         if err != nil {
 352                                 return 1
 353                         }
 354                 }
 355         }
 356
 357         if !prod && !pkg {
 358                 if havepjsversion, err := exec.Command("/usr/local/bin/phantomjs", "--version").CombinedOutput(); err == nil && string(havepjsversion) == "1.9.8\n" {
 359                         logger.Print("phantomjs " + pjsversion + " already installed")
 360                 } else {
 361                         err = inst.runBash(`
 362 PJS=phantomjs-`+pjsversion+`-linux-x86_64
 363 wget --progress=dot:giga -O- https://cache.arvados.org/$PJS.tar.bz2 | tar -C /var/lib/arvados -xjf -
 364 ln -sfv /var/lib/arvados/$PJS/bin/phantomjs /usr/local/bin/
 365 `, stdout, stderr)
 366                         if err != nil {
 367                                 return 1
 368                         }
 369                 }
 370
 371                 if havegeckoversion, err := exec.Command("/usr/local/bin/geckodriver", "--version").CombinedOutput(); err == nil && strings.Contains(string(havegeckoversion), " "+geckoversion+" ") {
 372                         logger.Print("geckodriver " + geckoversion + " already installed")
 373                 } else {
 374                         err = inst.runBash(`
 375 GD=v`+geckoversion+`
 376 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
 377 ln -sfv /var/lib/arvados/bin/geckodriver /usr/local/bin/
 378 `, stdout, stderr)
 379                         if err != nil {
 380                                 return 1
 381                         }
 382                 }
 383
 384                 if havegradleversion, err := exec.Command("/usr/local/bin/gradle", "--version").CombinedOutput(); err == nil && strings.Contains(string(havegradleversion), "Gradle "+gradleversion+"\n") {
 385                         logger.Print("gradle " + gradleversion + " already installed")
 386                 } else {
 387                         err = inst.runBash(`
 388 G=`+gradleversion+`
 389 zip=/var/lib/arvados/tmp/gradle-${G}-bin.zip
 390 trap "rm ${zip}" ERR
 391 wget --progress=dot:giga -O${zip} https://services.gradle.org/distributions/gradle-${G}-bin.zip
 392 unzip -o -d /var/lib/arvados ${zip}
 393 ln -sfv /var/lib/arvados/gradle-${G}/bin/gradle /usr/local/bin/
 394 rm ${zip}
 395 `, stdout, stderr)
 396                         if err != nil {
 397                                 return 1
 398                         }
 399                 }
 400
 401                 if havesingularityversion, err := exec.Command("/var/lib/arvados/bin/singularity", "--version").CombinedOutput(); err == nil && strings.Contains(string(havesingularityversion), singularityversion) {
 402                         logger.Print("singularity " + singularityversion + " already installed")
 403                 } else if dev || test {
 404                         err = inst.runBash(`
 405 S=`+singularityversion+`
 406 tmp=/var/lib/arvados/tmp/singularity
 407 trap "rm -r ${tmp}" ERR EXIT
 408 cd /var/lib/arvados/tmp
 409 git clone --recurse-submodules https://github.com/sylabs/singularity
 410 cd singularity
 411 git checkout v${S}
 412 ./mconfig --prefix=/var/lib/arvados
 413 make -C ./builddir
 414 make -C ./builddir install
 415 `, stdout, stderr)
 416                         if err != nil {
 417                                 return 1
 418                         }
 419                 }
 420
 421                 err = inst.runBash(`
 422 install /usr/bin/nsenter /var/lib/arvados/bin/nsenter
 423 setcap "cap_sys_admin+pei cap_sys_chroot+pei" /var/lib/arvados/bin/nsenter
 424 `, stdout, stderr)
 425                 if err != nil {
 426                         return 1
 427                 }
 428
 429                 // The entry in /etc/locale.gen is "en_US.UTF-8"; once
 430                 // it's installed, locale -a reports it as
 431                 // "en_US.utf8".
 432                 wantlocale := "en_US.UTF-8"
 433                 if havelocales, err := exec.Command("locale", "-a").CombinedOutput(); err == nil && bytes.Contains(havelocales, []byte(strings.Replace(wantlocale+"\n", "UTF-", "utf", 1))) {
 434                         logger.Print("locale " + wantlocale + " already installed")
 435                 } else {
 436                         err = inst.runBash(`sed -i 's/^# *\(`+wantlocale+`\)/\1/' /etc/locale.gen && locale-gen`, stdout, stderr)
 437                         if err != nil {
 438                                 return 1
 439                         }
 440                 }
 441
 442                 var pgc struct {
 443                         Version       string
 444                         Cluster       string
 445                         Port          int
 446                         Status        string
 447                         Owner         string
 448                         DataDirectory string
 449                         LogFile       string
 450                 }
 451                 if pgLsclusters, err2 := exec.Command("pg_lsclusters", "--no-header").CombinedOutput(); err2 != nil {
 452                         err = fmt.Errorf("pg_lsclusters: %s", err2)
 453                         return 1
 454                 } else if pgclusters := strings.Split(strings.TrimSpace(string(pgLsclusters)), "\n"); len(pgclusters) != 1 {
 455                         logger.Warnf("pg_lsclusters returned %d postgresql clusters -- skipping postgresql initdb/startup, hope that's ok", len(pgclusters))
 456                 } 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 {
 457                         err = fmt.Errorf("error parsing pg_lsclusters output: %s", err)
 458                         return 1
 459                 } else if pgc.Status == "online" {
 460                         logger.Infof("postgresql cluster %s-%s is online", pgc.Version, pgc.Cluster)
 461                 } else {
 462                         logger.Infof("postgresql cluster %s-%s is %s; trying to start", pgc.Version, pgc.Cluster, pgc.Status)
 463                         cmd := exec.Command("pg_ctlcluster", "--foreground", pgc.Version, pgc.Cluster, "start")
 464                         cmd.Stdout = stdout
 465                         cmd.Stderr = stderr
 466                         err = cmd.Start()
 467                         if err != nil {
 468                                 return 1
 469                         }
 470                         defer func() {
 471                                 cmd.Process.Signal(syscall.SIGTERM)
 472                                 logger.Info("sent SIGTERM; waiting for postgres to shut down")
 473                                 cmd.Wait()
 474                         }()
 475                         err = waitPostgreSQLReady()
 476                         if err != nil {
 477                                 return 1
 478                         }
 479                 }
 480
 481                 if os.Getpid() == 1 {
 482                         // We are the init process (presumably in a
 483                         // docker container) so although postgresql is
 484                         // installed, it's not running, and initdb
 485                         // might never have been run.
 486                 }
 487
 488                 var needcoll []string
 489                 // If the en_US.UTF-8 locale wasn't installed when
 490                 // postgresql initdb ran, it needs to be added
 491                 // explicitly before we can use it in our test suite.
 492                 for _, collname := range []string{"en_US", "en_US.UTF-8"} {
 493                         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')")
 494                         cmd.Dir = "/"
 495                         out, err2 := cmd.CombinedOutput()
 496                         if err != nil {
 497                                 err = fmt.Errorf("error while checking postgresql collations: %s", err2)
 498                                 return 1
 499                         }
 500                         if strings.Contains(string(out), "1") {
 501                                 logger.Infof("postgresql supports collation %s", collname)
 502                         } else {
 503                                 needcoll = append(needcoll, collname)
 504                         }
 505                 }
 506                 if len(needcoll) > 0 && os.Getpid() != 1 {
 507                         // In order for the CREATE COLLATION statement
 508                         // below to work, the locale must have existed
 509                         // when PostgreSQL started up. If we're
 510                         // running as init, we must have started
 511                         // PostgreSQL ourselves after installing the
 512                         // locales. Otherwise, it might need a
 513                         // restart, so we attempt to restart it with
 514                         // systemd.
 515                         if err = inst.runBash(`sudo systemctl restart postgresql`, stdout, stderr); err != nil {
 516                                 logger.Warn("`systemctl restart postgresql` failed; hoping postgresql does not need to be restarted")
 517                         } else if err = waitPostgreSQLReady(); err != nil {
 518                                 return 1
 519                         }
 520                 }
 521                 for _, collname := range needcoll {
 522                         cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "CREATE COLLATION \""+collname+"\" (LOCALE = \"en_US.UTF-8\")")
 523                         cmd.Stdout = stdout
 524                         cmd.Stderr = stderr
 525                         cmd.Dir = "/"
 526                         err = cmd.Run()
 527                         if err != nil {
 528                                 err = fmt.Errorf("error adding postgresql collation %s: %s", collname, err)
 529                                 return 1
 530                         }
 531                 }
 532
 533                 withstuff := "WITH LOGIN SUPERUSER ENCRYPTED PASSWORD " + pq.QuoteLiteral(devtestDatabasePassword)
 534                 cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "ALTER ROLE arvados "+withstuff)
 535                 cmd.Dir = "/"
 536                 if err := cmd.Run(); err == nil {
 537                         logger.Print("arvados role exists; superuser privileges added, password updated")
 538                 } else {
 539                         cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "CREATE ROLE arvados "+withstuff)
 540                         cmd.Dir = "/"
 541                         cmd.Stdout = stdout
 542                         cmd.Stderr = stderr
 543                         err = cmd.Run()
 544                         if err != nil {
 545                                 return 1
 546                         }
 547                 }
 548         }
 549
 550         if !prod {
 551                 if havenodejsversion, err := exec.Command("/usr/local/bin/node", "--version").CombinedOutput(); err == nil && string(havenodejsversion) == nodejsversion+"\n" {
 552                         logger.Print("nodejs " + nodejsversion + " already installed")
 553                 } else {
 554                         err = inst.runBash(`
 555 NJS=`+nodejsversion+`
 556 rm -rf /var/lib/arvados/node-*-linux-x64
 557 wget --progress=dot:giga -O- https://nodejs.org/dist/${NJS}/node-${NJS}-linux-x64.tar.xz | sudo tar -C /var/lib/arvados -xJf -
 558 ln -sfv /var/lib/arvados/node-${NJS}-linux-x64/bin/{node,npm} /usr/local/bin/
 559 `, stdout, stderr)
 560                         if err != nil {
 561                                 return 1
 562                         }
 563                 }
 564
 565                 if haveyarnversion, err := exec.Command("/usr/local/bin/yarn", "--version").CombinedOutput(); err == nil && len(haveyarnversion) > 0 {
 566                         logger.Print("yarn " + strings.TrimSpace(string(haveyarnversion)) + " already installed")
 567                 } else {
 568                         err = inst.runBash(`
 569 npm install -g yarn
 570 ln -sfv /var/lib/arvados/node-`+nodejsversion+`-linux-x64/bin/{yarn,yarnpkg} /usr/local/bin/
 571 `, stdout, stderr)
 572                         if err != nil {
 573                                 return 1
 574                         }
 575                 }
 576         }
 577
 578         if prod || pkg {
 579                 // Install Go programs to /var/lib/arvados/bin/
 580                 for _, srcdir := range []string{
 581                         "cmd/arvados-client",
 582                         "cmd/arvados-server",
 583                 } {
 584                         fmt.Fprintf(stderr, "building %s...\n", srcdir)
 585                         // -buildvcs=false here avoids a fatal "error
 586                         // obtaining VCS status" when git refuses to
 587                         // run (for example) as root in a docker
 588                         // container using a non-root-owned git tree
 589                         // mounted from the host -- as in
 590                         // "arvados-package build".
 591                         cmd := exec.Command("go", "install", "-buildvcs=false",
 592                                 "-ldflags", "-s -w"+
 593                                         " -X git.arvados.org/arvados.git/lib/cmd.version="+inst.PackageVersion+
 594                                         " -X git.arvados.org/arvados.git/lib/cmd.commit="+inst.Commit)
 595                         cmd.Env = append(cmd.Env, os.Environ()...)
 596                         cmd.Env = append(cmd.Env, "GOBIN=/var/lib/arvados/bin")
 597                         cmd.Dir = filepath.Join(inst.SourcePath, srcdir)
 598                         cmd.Stdout = stdout
 599                         cmd.Stderr = stderr
 600                         err = cmd.Run()
 601                         if err != nil {
 602                                 return 1
 603                         }
 604                 }
 605
 606                 // Copy assets from source tree to /var/lib/arvados/share
 607                 cmd := exec.Command("install", "-v", "-t", "/var/lib/arvados/share", filepath.Join(inst.SourcePath, "sdk/python/tests/nginx.conf"))
 608                 cmd.Stdout = stdout
 609                 cmd.Stderr = stderr
 610                 err = cmd.Run()
 611                 if err != nil {
 612                         return 1
 613                 }
 614
 615                 // Install python SDK and arv-mount in
 616                 // /var/lib/arvados/lib/python.
 617                 //
 618                 // setup.py writes a file in the source directory in
 619                 // order to include the version number in the package
 620                 // itself.  We don't want to write to the source tree
 621                 // (in "arvados-package" context it's mounted
 622                 // readonly) so we run setup.py in a temporary copy of
 623                 // the source dir.
 624                 if err = inst.runBash(`
 625 v=/var/lib/arvados/lib/python
 626 tmp=/var/lib/arvados/tmp/python
 627 python3 -m venv "$v"
 628 . "$v/bin/activate"
 629 pip3 install --no-cache-dir 'setuptools>=68' 'pip>=20'
 630 export ARVADOS_BUILDING_VERSION="`+inst.PackageVersion+`"
 631 for src in "`+inst.SourcePath+`/sdk/python" "`+inst.SourcePath+`/services/fuse"; do
 632   rsync -a --delete-after "$src/" "$tmp/"
 633   env -C "$tmp" python3 setup.py build
 634   pip3 install "$tmp"
 635   rm -rf "$tmp"
 636 done
 637 `, stdout, stderr); err != nil {
 638                         return 1
 639                 }
 640
 641                 // Install RailsAPI to /var/lib/arvados/railsapi/
 642                 fmt.Fprintln(stderr, "building railsapi...")
 643                 cmd = exec.Command("rsync",
 644                         "-a", "--no-owner", "--no-group", "--delete-after", "--delete-excluded",
 645                         "--exclude", "/coverage",
 646                         "--exclude", "/log",
 647                         "--exclude", "/node_modules",
 648                         "--exclude", "/tmp",
 649                         "--exclude", "/public/assets",
 650                         "--exclude", "/vendor",
 651                         "--exclude", "/config/environments",
 652                         "./", "/var/lib/arvados/railsapi/")
 653                 cmd.Dir = filepath.Join(inst.SourcePath, "services", "api")
 654                 cmd.Stdout = stdout
 655                 cmd.Stderr = stderr
 656                 err = cmd.Run()
 657                 if err != nil {
 658                         return 1
 659                 }
 660                 for _, cmdline := range [][]string{
 661                         {"mkdir", "-p", "log", "public/assets", "tmp", "vendor", ".bundle", "/var/www/.bundle", "/var/www/.gem", "/var/www/.npm", "/var/www/.passenger"},
 662                         {"touch", "log/production.log"},
 663                         {"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"},
 664                         {"sudo", "-u", "www-data", "/var/lib/arvados/bin/gem", "install", "--user", "--conservative", "--no-document", "bundler:" + bundlerversion},
 665                         {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "config", "set", "--local", "deployment", "true"},
 666                         {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "config", "set", "--local", "path", "/var/www/.gem"},
 667                         {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "config", "set", "--local", "without", "development test diagnostics performance"},
 668                         {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "install", "--jobs", fmt.Sprintf("%d", runtime.NumCPU())},
 669
 670                         {"chown", "www-data:www-data", ".", "public/assets"},
 671                         // {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "config", "set", "--local", "system", "true"},
 672                         {"sudo", "-u", "www-data", "ARVADOS_CONFIG=none", "RAILS_GROUPS=assets", "RAILS_ENV=production", "PATH=/var/lib/arvados/bin:" + os.Getenv("PATH"), "/var/lib/arvados/bin/bundle", "exec", "rake", "npm:install"},
 673                         {"sudo", "-u", "www-data", "ARVADOS_CONFIG=none", "RAILS_GROUPS=assets", "RAILS_ENV=production", "PATH=/var/lib/arvados/bin:" + os.Getenv("PATH"), "/var/lib/arvados/bin/bundle", "exec", "rake", "assets:precompile"},
 674                         {"chown", "root:root", "."},
 675                         {"chown", "-R", "root:root", "public/assets", "vendor"},
 676
 677                         {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "build-native-support"},
 678                         {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "install-standalone-runtime"},
 679                 } {
 680                         if cmdline[len(cmdline)-2] == "rake" {
 681                                 continue
 682                         }
 683                         cmd = exec.Command(cmdline[0], cmdline[1:]...)
 684                         cmd.Dir = "/var/lib/arvados/railsapi"
 685                         cmd.Stdout = stdout
 686                         cmd.Stderr = stderr
 687                         fmt.Fprintf(stderr, "... %s\n", cmd.Args)
 688                         err = cmd.Run()
 689                         if err != nil {
 690                                 return 1
 691                         }
 692                 }
 693                 cmd = exec.Command("sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "validate-install")
 694                 cmd.Dir = "/var/lib/arvados/railsapi"
 695                 cmd.Stdout = stdout
 696                 cmd.Stderr = stderr
 697                 err = cmd.Run()
 698                 if err != nil && !strings.Contains(err.Error(), "exit status 2") {
 699                         // Exit code 2 indicates there were warnings (like
 700                         // "other passenger installations have been detected",
 701                         // which we can't expect to avoid) but no errors.
 702                         // Other non-zero exit codes (1, 9) indicate errors.
 703                         return 1
 704                 }
 705
 706                 // Install workbench2 app to
 707                 // /var/lib/arvados/workbench2/.
 708                 //
 709                 // We copy the source tree from the (possibly
 710                 // readonly) source tree into a temp dir because `yarn
 711                 // build` writes to {source-tree}/build/. When we
 712                 // upgrade to react-scripts >= 4.0.2 we may be able to
 713                 // build from the source dir and write directly to the
 714                 // final destination (using
 715                 // YARN_INSTALL_STATE_PATH=/dev/null
 716                 // BUILD_PATH=/var/lib/arvados/workbench2) instead of
 717                 // using two rsync steps here.
 718                 if err = inst.runBash(`
 719 src="`+inst.SourcePath+`/services/workbench2"
 720 tmp=/var/lib/arvados/tmp/workbench2
 721 trap "rm -r ${tmp}" ERR EXIT
 722 dst=/var/lib/arvados/workbench2
 723 rsync -a --delete-after "$src/" "$tmp/"
 724 env -C "$tmp" VERSION="`+inst.PackageVersion+`" BUILD_NUMBER=1 GIT_COMMIT="`+inst.Commit[:9]+`" yarn build
 725 rsync -a --delete-after "$tmp/build/" "$dst/"
 726 `, stdout, stderr); err != nil {
 727                         return 1
 728                 }
 729
 730                 // Install arvados-cli gem (binaries go in
 731                 // /var/lib/arvados/bin)
 732                 if err = inst.runBash(`
 733 /var/lib/arvados/bin/gem install --conservative --no-document arvados-cli
 734 `, stdout, stderr); err != nil {
 735                         return 1
 736                 }
 737
 738                 err = os.WriteFile("/lib/systemd/system/arvados.service", arvadosServiceFile, 0777)
 739                 if err != nil {
 740                         return 1
 741                 }
 742                 if prod {
 743                         // (fpm will do this for us in the pkg case)
 744                         // This is equivalent to "systemd enable", but
 745                         // does not depend on the systemctl program
 746                         // being available:
 747                         symlink := "/etc/systemd/system/multi-user.target.wants/arvados.service"
 748                         err = os.Remove(symlink)
 749                         if err != nil && !errors.Is(err, os.ErrNotExist) {
 750                                 return 1
 751                         }
 752                         err = os.Symlink("/lib/systemd/system/arvados.service", symlink)
 753                         if err != nil {
 754                                 return 1
 755                         }
 756                 }
 757
 758                 // Add symlinks in /usr/bin for user-facing programs
 759                 for _, srcdst := range [][]string{
 760                         // go
 761                         {"bin/arvados-client"},
 762                         {"bin/arvados-client", "arv"},
 763                         {"bin/arvados-server"},
 764                         // sdk/cli
 765                         {"bin/arv", "arv-ruby"},
 766                         {"bin/arv-tag"},
 767                         // sdk/python
 768                         {"lib/python/bin/arv-copy"},
 769                         {"lib/python/bin/arv-federation-migrate"},
 770                         {"lib/python/bin/arv-get"},
 771                         {"lib/python/bin/arv-keepdocker"},
 772                         {"lib/python/bin/arv-ls"},
 773                         {"lib/python/bin/arv-migrate-docker19"},
 774                         {"lib/python/bin/arv-normalize"},
 775                         {"lib/python/bin/arv-put"},
 776                         {"lib/python/bin/arv-ws"},
 777                         // services/fuse
 778                         {"lib/python/bin/arv-mount"},
 779                 } {
 780                         src := "/var/lib/arvados/" + srcdst[0]
 781                         if _, err = os.Stat(src); err != nil {
 782                                 return 1
 783                         }
 784                         dst := srcdst[len(srcdst)-1]
 785                         _, dst = filepath.Split(dst)
 786                         dst = "/usr/bin/" + dst
 787                         err = os.Remove(dst)
 788                         if err != nil && !errors.Is(err, os.ErrNotExist) {
 789                                 return 1
 790                         }
 791                         err = os.Symlink(src, dst)
 792                         if err != nil {
 793                                 return 1
 794                         }
 795                 }
 796         }
 797
 798         return 0
 799 }
 800
 801 type osversion struct {
 802         Debian bool
 803         Ubuntu bool
 804         Centos bool
 805         Major  int
 806 }
 807
 808 func identifyOS() (osversion, error) {
 809         var osv osversion
 810         f, err := os.Open("/etc/os-release")
 811         if err != nil {
 812                 return osv, err
 813         }
 814         defer f.Close()
 815
 816         kv := map[string]string{}
 817         scanner := bufio.NewScanner(f)
 818         for scanner.Scan() {
 819                 line := strings.TrimSpace(scanner.Text())
 820                 if strings.HasPrefix(line, "#") {
 821                         continue
 822                 }
 823                 toks := strings.SplitN(line, "=", 2)
 824                 if len(toks) != 2 {
 825                         return osv, fmt.Errorf("invalid line in /etc/os-release: %q", line)
 826                 }
 827                 k := toks[0]
 828                 v := strings.Trim(toks[1], `"`)
 829                 if v == toks[1] {
 830                         v = strings.Trim(v, `'`)
 831                 }
 832                 kv[k] = v
 833         }
 834         if err = scanner.Err(); err != nil {
 835                 return osv, err
 836         }
 837         switch kv["ID"] {
 838         case "ubuntu":
 839                 osv.Ubuntu = true
 840         case "debian":
 841                 osv.Debian = true
 842         case "centos":
 843                 osv.Centos = true
 844         default:
 845                 return osv, fmt.Errorf("unsupported ID in /etc/os-release: %q", kv["ID"])
 846         }
 847         vstr := kv["VERSION_ID"]
 848         if i := strings.Index(vstr, "."); i > 0 {
 849                 vstr = vstr[:i]
 850         }
 851         osv.Major, err = strconv.Atoi(vstr)
 852         if err != nil {
 853                 return osv, fmt.Errorf("incomprehensible VERSION_ID in /etc/os-release: %q", kv["VERSION_ID"])
 854         }
 855         return osv, nil
 856 }
 857
 858 func waitPostgreSQLReady() error {
 859         for deadline := time.Now().Add(10 * time.Second); ; {
 860                 output, err := exec.Command("pg_isready").CombinedOutput()
 861                 if err == nil {
 862                         return nil
 863                 } else if time.Now().After(deadline) {
 864                         return fmt.Errorf("timed out waiting for pg_isready (%q)", output)
 865                 } else {
 866                         time.Sleep(time.Second)
 867                 }
 868         }
 869 }
 870
 871 func (inst *installCommand) runBash(script string, stdout, stderr io.Writer) error {
 872         cmd := exec.Command("bash", "-")
 873         if inst.EatMyData {
 874                 cmd = exec.Command("eatmydata", "bash", "-")
 875         }
 876         cmd.Stdin = bytes.NewBufferString("set -ex -o pipefail\n" + script)
 877         cmd.Stdout = stdout
 878         cmd.Stderr = stderr
 879         return cmd.Run()
 880 }
 881
 882 func prodpkgs(osv osversion) []string {
 883         pkgs := []string{
 884                 "ca-certificates",
 885                 "curl",
 886                 "fuse",
 887                 "git",
 888                 "gitolite3",
 889                 "graphviz",
 890                 "haveged",
 891                 "libcurl3-gnutls",
 892                 "libxslt1.1",
 893                 "nginx",
 894                 "python3",
 895                 "sudo",
 896         }
 897         if osv.Debian || osv.Ubuntu {
 898                 if osv.Debian && osv.Major == 8 {
 899                         pkgs = append(pkgs, "libgnutls-deb0-28") // sdk/cwl
 900                 } else if osv.Debian && osv.Major >= 10 || osv.Ubuntu && osv.Major >= 16 {
 901                         pkgs = append(pkgs, "python3-distutils") // sdk/cwl
 902                 }
 903                 return append(pkgs,
 904                         "mime-support", // keep-web
 905                 )
 906         } else if osv.Centos {
 907                 return append(pkgs,
 908                         "fuse-libs", // services/fuse
 909                         "mailcap",   // keep-web
 910                 )
 911         } else {
 912                 panic("os version not supported")
 913         }
 914 }
 915
 916 func ProductionDependencies() ([]string, error) {
 917         osv, err := identifyOS()
 918         if err != nil {
 919                 return nil, err
 920         }
 921         return prodpkgs(osv), nil
 922 }