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         defaultBundlerVersion     = "2.2.19"
  39         defaultSingularityVersion = "3.10.4"
  40         pjsversion                = "1.9.8"
  41         geckoversion              = "0.24.0"
  42         gradleversion             = "5.3.1"
  43         defaultNodejsVersion      = "14.21.3"
  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         BundlerVersion     string
  57         SingularityVersion string
  58         NodejsVersion      string
  59         EatMyData          bool
  60 }
  61
  62 func (inst *installCommand) RunCommand(prog string, args []string, stdin io.Reader, stdout, stderr io.Writer) int {
  63         logger := ctxlog.New(stderr, "text", "info")
  64         ctx := ctxlog.Context(context.Background(), logger)
  65         ctx, cancel := context.WithCancel(ctx)
  66         defer cancel()
  67
  68         var err error
  69         defer func() {
  70                 if err != nil {
  71                         logger.WithError(err).Info("exiting")
  72                 }
  73         }()
  74
  75         flags := flag.NewFlagSet(prog, flag.ContinueOnError)
  76         flags.SetOutput(stderr)
  77         versionFlag := flags.Bool("version", false, "Write version information to stdout and exit 0")
  78         flags.StringVar(&inst.ClusterType, "type", "production", "cluster `type`: development, test, production, or package")
  79         flags.StringVar(&inst.SourcePath, "source", "/arvados", "source tree location (required for -type=package)")
  80         flags.StringVar(&inst.Commit, "commit", "", "source commit `hash` to embed (blank means use 'git log' or all-zero placeholder)")
  81         flags.StringVar(&inst.PackageVersion, "package-version", "0.0.0", "version string to embed in executable files")
  82         flags.StringVar(&inst.RubyVersion, "ruby-version", defaultRubyVersion, "Ruby `version` to install (do not override in production mode)")
  83         flags.StringVar(&inst.BundlerVersion, "bundler-version", defaultBundlerVersion, "Bundler `version` to install (do not override in production mode)")
  84         flags.StringVar(&inst.SingularityVersion, "singularity-version", defaultSingularityVersion, "Singularity `version` to install (do not override in production mode)")
  85         flags.StringVar(&inst.NodejsVersion, "nodejs-version", defaultNodejsVersion, "Nodejs `version` to install (not applicable in production mode)")
  86         flags.BoolVar(&inst.EatMyData, "eatmydata", false, "use eatmydata to speed up install")
  87
  88         if ok, code := cmd.ParseFlags(flags, prog, args, "", stderr); !ok {
  89                 return code
  90         } else if *versionFlag {
  91                 return cmd.Version.RunCommand(prog, args, stdin, stdout, stderr)
  92         }
  93
  94         if inst.Commit == "" {
  95                 if commit, err := exec.Command("env", "-C", inst.SourcePath, "git", "log", "-n1", "--format=%H").CombinedOutput(); err == nil {
  96                         inst.Commit = strings.TrimSpace(string(commit))
  97                 } else {
  98                         inst.Commit = "0000000000000000000000000000000000000000"
  99                 }
 100         }
 101
 102         var dev, test, prod, pkg bool
 103         switch inst.ClusterType {
 104         case "development":
 105                 dev = true
 106         case "test":
 107                 test = true
 108         case "production":
 109                 prod = true
 110         case "package":
 111                 pkg = true
 112         default:
 113                 err = fmt.Errorf("invalid cluster type %q (must be 'development', 'test', 'production', or 'package')", inst.ClusterType)
 114                 return 2
 115         }
 116
 117         if prod {
 118                 err = errors.New("production install is not yet implemented")
 119                 return 1
 120         }
 121
 122         if ok, _ := regexp.MatchString(`^\d\.\d+\.\d+$`, inst.RubyVersion); !ok {
 123                 fmt.Fprintf(stderr, "invalid argument %q for -ruby-version\n", inst.RubyVersion)
 124                 return 2
 125         }
 126         if ok, _ := regexp.MatchString(`^\d`, inst.BundlerVersion); !ok {
 127                 fmt.Fprintf(stderr, "invalid argument %q for -bundler-version\n", inst.BundlerVersion)
 128                 return 2
 129         }
 130         if ok, _ := regexp.MatchString(`^\d`, inst.SingularityVersion); !ok {
 131                 fmt.Fprintf(stderr, "invalid argument %q for -singularity-version\n", inst.SingularityVersion)
 132                 return 2
 133         }
 134         if ok, _ := regexp.MatchString(`^\d`, inst.NodejsVersion); !ok {
 135                 fmt.Fprintf(stderr, "invalid argument %q for -nodejs-version\n", inst.NodejsVersion)
 136                 return 2
 137         }
 138
 139         osv, err := identifyOS()
 140         if err != nil {
 141                 return 1
 142         }
 143
 144         listdir, err := os.Open("/var/lib/apt/lists")
 145         if err != nil {
 146                 logger.Warnf("error while checking whether to run apt-get update: %s", err)
 147         } else if names, _ := listdir.Readdirnames(1); len(names) == 0 {
 148                 // Special case for a base docker image where the
 149                 // package cache has been deleted and all "apt-get
 150                 // install" commands will fail unless we fetch repos.
 151                 cmd := exec.CommandContext(ctx, "apt-get", "update")
 152                 cmd.Stdout = stdout
 153                 cmd.Stderr = stderr
 154                 err = cmd.Run()
 155                 if err != nil {
 156                         return 1
 157                 }
 158         }
 159
 160         if inst.EatMyData {
 161                 cmd := exec.CommandContext(ctx, "apt-get", "install", "--yes", "--no-install-recommends", "eatmydata")
 162                 cmd.Env = append(os.Environ(), "DEBIAN_FRONTEND=noninteractive")
 163                 cmd.Stdout = stdout
 164                 cmd.Stderr = stderr
 165                 err = cmd.Run()
 166                 if err != nil {
 167                         return 1
 168                 }
 169         }
 170
 171         pkgs := prodpkgs(osv)
 172
 173         if pkg {
 174                 pkgs = append(pkgs,
 175                         "dpkg-dev",
 176                         "eatmydata", // install it for later steps, even if we're not using it now
 177                 )
 178         }
 179
 180         if dev || test || pkg {
 181                 pkgs = append(pkgs,
 182                         "automake",
 183                         "bison",
 184                         "bsdmainutils",
 185                         "build-essential",
 186                         "cadaver",
 187                         "curl",
 188                         "cython3",
 189                         "default-jdk-headless",
 190                         "default-jre-headless",
 191                         "gettext",
 192                         "libattr1-dev",
 193                         "libffi-dev",
 194                         "libfuse-dev",
 195                         "libgbm1", // cypress / workbench2 tests
 196                         "libgnutls28-dev",
 197                         "libpam-dev",
 198                         "libpcre3-dev",
 199                         "libpq-dev",
 200                         "libreadline-dev",
 201                         "libssl-dev",
 202                         "libxml2-dev",
 203                         "libxslt1-dev",
 204                         "libyaml-dev",
 205                         "linkchecker",
 206                         "lsof",
 207                         "make",
 208                         "net-tools",
 209                         "pandoc",
 210                         "pkg-config",
 211                         "postgresql",
 212                         "postgresql-contrib",
 213                         "python3-dev",
 214                         "python3-venv",
 215                         "python3-virtualenv",
 216                         "r-base",
 217                         "r-cran-testthat",
 218                         "r-cran-devtools",
 219                         "r-cran-knitr",
 220                         "r-cran-markdown",
 221                         "r-cran-roxygen2",
 222                         "r-cran-xml",
 223                         "rsync",
 224                         "sudo",
 225                         "uuid-dev",
 226                         "wget",
 227                         "xvfb",
 228                         "zlib1g-dev", // services/api
 229                 )
 230                 if test {
 231                         if osv.Debian && osv.Major <= 10 {
 232                                 pkgs = append(pkgs, "iceweasel")
 233                         } else if osv.Debian && osv.Major >= 11 {
 234                                 pkgs = append(pkgs, "firefox-esr")
 235                         } else {
 236                                 pkgs = append(pkgs, "firefox")
 237                         }
 238                 }
 239                 if dev || test {
 240                         pkgs = append(pkgs,
 241                                 "libglib2.0-dev", // singularity (conmon)
 242                                 "libseccomp-dev", // singularity (seccomp)
 243                                 "squashfs-tools", // singularity
 244                                 "gnupg")          // docker install recipe
 245                 }
 246                 switch {
 247                 case osv.Debian && osv.Major >= 10,
 248                         osv.Ubuntu && osv.Major >= 22:
 249                         pkgs = append(pkgs, "g++", "libcurl4", "libcurl4-openssl-dev")
 250                 case osv.Debian || osv.Ubuntu:
 251                         pkgs = append(pkgs, "g++", "libcurl3", "libcurl3-openssl-dev")
 252                 case osv.RedHat:
 253                         pkgs = append(pkgs, "gcc", "gcc-c++", "libcurl-devel", "postgresql-devel")
 254                 }
 255                 cmd := exec.CommandContext(ctx, "apt-get")
 256                 if inst.EatMyData {
 257                         cmd = exec.CommandContext(ctx, "eatmydata", "apt-get")
 258                 }
 259                 cmd.Args = append(cmd.Args, "install", "--yes", "--no-install-recommends")
 260                 cmd.Args = append(cmd.Args, pkgs...)
 261                 cmd.Env = append(os.Environ(), "DEBIAN_FRONTEND=noninteractive")
 262                 cmd.Stdout = stdout
 263                 cmd.Stderr = stderr
 264                 err = cmd.Run()
 265                 if err != nil {
 266                         return 1
 267                 }
 268         }
 269
 270         if dev || test {
 271                 if havedockerversion, err2 := exec.Command("docker", "--version").CombinedOutput(); err2 == nil {
 272                         logger.Printf("%s installed, assuming that version is ok", bytes.TrimSuffix(havedockerversion, []byte("\n")))
 273                 } else if osv.Debian {
 274                         var codename string
 275                         switch osv.Major {
 276                         case 11:
 277                                 codename = "bullseye"
 278                         case 12:
 279                                 codename = "bookworm"
 280                         default:
 281                                 err = fmt.Errorf("don't know how to install docker-ce for debian %d", osv.Major)
 282                                 return 1
 283                         }
 284                         err = inst.runBash(`
 285 rm -f /usr/share/keyrings/docker-archive-keyring.gpg
 286 curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
 287 echo 'deb [arch=`+runtime.GOARCH+` signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian/ `+codename+` stable' | \
 288     tee /etc/apt/sources.list.d/docker.list
 289 apt-get update
 290 DEBIAN_FRONTEND=noninteractive apt-get --yes --no-install-recommends install docker-ce
 291 `, stdout, stderr)
 292                         if err != nil {
 293                                 return 1
 294                         }
 295                 } else {
 296                         err = fmt.Errorf("don't know how to install docker for osversion %v", osv)
 297                         return 1
 298                 }
 299
 300                 err = inst.runBash(`
 301 key=fs.inotify.max_user_watches
 302 min=524288
 303 if [[ "$(sysctl --values "${key}")" -lt "${min}" ]]; then
 304     sysctl "${key}=${min}"
 305     # writing sysctl worked, so we should make it permanent
 306     echo "${key}=${min}" | tee -a /etc/sysctl.conf
 307     sysctl -p
 308 fi
 309 `, stdout, stderr)
 310                 if err != nil {
 311                         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`)")
 312                         return 1
 313                 }
 314         }
 315
 316         os.Mkdir("/var/lib/arvados", 0755)
 317         os.Mkdir("/var/lib/arvados/tmp", 0700)
 318         if prod || pkg {
 319                 u, er := user.Lookup("www-data")
 320                 if er != nil {
 321                         err = fmt.Errorf("user.Lookup(%q): %w", "www-data", er)
 322                         return 1
 323                 }
 324                 uid, _ := strconv.Atoi(u.Uid)
 325                 gid, _ := strconv.Atoi(u.Gid)
 326                 os.Mkdir("/var/lib/arvados/wwwtmp", 0700)
 327                 err = os.Chown("/var/lib/arvados/wwwtmp", uid, gid)
 328                 if err != nil {
 329                         return 1
 330                 }
 331         }
 332         rubyminorversion := inst.RubyVersion[:strings.LastIndex(inst.RubyVersion, ".")]
 333         if haverubyversion, err := exec.Command("/var/lib/arvados/bin/ruby", "-v").CombinedOutput(); err == nil && bytes.HasPrefix(haverubyversion, []byte("ruby "+inst.RubyVersion)) {
 334                 logger.Print("ruby " + inst.RubyVersion + " already installed")
 335         } else {
 336                 err = inst.runBash(`
 337 rubyversion="`+inst.RubyVersion+`"
 338 rubyminorversion="`+rubyminorversion+`"
 339 tmp="$(mktemp -d)"
 340 trap 'rm -r "${tmp}"' ERR EXIT
 341 wget --progress=dot:giga -O- "https://cache.ruby-lang.org/pub/ruby/$rubyminorversion/ruby-$rubyversion.tar.gz" | tar -C "${tmp}" -xzf -
 342 cd "${tmp}/ruby-$rubyversion"
 343 ./configure --disable-install-static-library --enable-shared --disable-install-doc --prefix /var/lib/arvados
 344 make -j8
 345 rm -f /var/lib/arvados/bin/erb
 346 make install
 347 if [[ "$rubyversion" > "3" ]]; then
 348   /var/lib/arvados/bin/gem update --no-document --system 3.4.21
 349 fi
 350 /var/lib/arvados/bin/gem install bundler --no-document
 351 `, stdout, stderr)
 352                 if err != nil {
 353                         return 1
 354                 }
 355         }
 356
 357         if !prod {
 358                 if havegoversion, err := exec.Command("/usr/local/bin/go", "version").CombinedOutput(); err == nil && bytes.HasPrefix(havegoversion, []byte("go version go"+goversion+" ")) {
 359                         logger.Print("go " + goversion + " already installed")
 360                 } else {
 361                         err = inst.runBash(`
 362 cd /tmp
 363 rm -rf /var/lib/arvados/go/
 364 wget --progress=dot:giga -O- https://storage.googleapis.com/golang/go`+goversion+`.linux-`+runtime.GOARCH+`.tar.gz | tar -C /var/lib/arvados -xzf -
 365 ln -sfv /var/lib/arvados/go/bin/* /usr/local/bin/
 366 `, stdout, stderr)
 367                         if err != nil {
 368                                 return 1
 369                         }
 370                 }
 371         }
 372
 373         if !prod && !pkg {
 374                 if havegradleversion, err := exec.Command("/usr/local/bin/gradle", "--version").CombinedOutput(); err == nil && strings.Contains(string(havegradleversion), "Gradle "+gradleversion+"\n") {
 375                         logger.Print("gradle " + gradleversion + " already installed")
 376                 } else {
 377                         err = inst.runBash(`
 378 G=`+gradleversion+`
 379 zip=/var/lib/arvados/tmp/gradle-${G}-bin.zip
 380 trap "rm ${zip}" ERR
 381 wget --progress=dot:giga -O${zip} https://services.gradle.org/distributions/gradle-${G}-bin.zip
 382 unzip -o -d /var/lib/arvados ${zip}
 383 ln -sfv /var/lib/arvados/gradle-${G}/bin/gradle /usr/local/bin/
 384 rm ${zip}
 385 `, stdout, stderr)
 386                         if err != nil {
 387                                 return 1
 388                         }
 389                 }
 390
 391                 if havesingularityversion, err := exec.Command("/var/lib/arvados/bin/singularity", "--version").CombinedOutput(); err == nil && strings.Contains(string(havesingularityversion), inst.SingularityVersion) {
 392                         logger.Print("singularity " + inst.SingularityVersion + " already installed")
 393                 } else if dev || test {
 394                         err = inst.runBash(`
 395 S=`+inst.SingularityVersion+`
 396 tmp=/var/lib/arvados/tmp/singularity
 397 trap "rm -r ${tmp}" ERR EXIT
 398 cd /var/lib/arvados/tmp
 399 git clone --recurse-submodules https://github.com/sylabs/singularity
 400 cd singularity
 401 git checkout v${S}
 402 ./mconfig --prefix=/var/lib/arvados
 403 make -C ./builddir
 404 make -C ./builddir install
 405 `, stdout, stderr)
 406                         if err != nil {
 407                                 return 1
 408                         }
 409                 }
 410
 411                 err = inst.runBash(`
 412 install /usr/bin/nsenter /var/lib/arvados/bin/nsenter
 413 setcap "cap_sys_admin+pei cap_sys_chroot+pei" /var/lib/arvados/bin/nsenter
 414 `, stdout, stderr)
 415                 if err != nil {
 416                         return 1
 417                 }
 418
 419                 // The entry in /etc/locale.gen is "en_US.UTF-8"; once
 420                 // it's installed, locale -a reports it as
 421                 // "en_US.utf8".
 422                 wantlocale := "en_US.UTF-8"
 423                 if havelocales, err := exec.Command("locale", "-a").CombinedOutput(); err == nil && bytes.Contains(havelocales, []byte(strings.Replace(wantlocale+"\n", "UTF-", "utf", 1))) {
 424                         logger.Print("locale " + wantlocale + " already installed")
 425                 } else {
 426                         err = inst.runBash(`sed -i 's/^# *\(`+wantlocale+`\)/\1/' /etc/locale.gen && locale-gen`, stdout, stderr)
 427                         if err != nil {
 428                                 return 1
 429                         }
 430                 }
 431
 432                 var pgc struct {
 433                         Version       string
 434                         Cluster       string
 435                         Port          int
 436                         Status        string
 437                         Owner         string
 438                         DataDirectory string
 439                         LogFile       string
 440                 }
 441                 if pgLsclusters, err2 := exec.Command("pg_lsclusters", "--no-header").CombinedOutput(); err2 != nil {
 442                         err = fmt.Errorf("pg_lsclusters: %s", err2)
 443                         return 1
 444                 } else if pgclusters := strings.Split(strings.TrimSpace(string(pgLsclusters)), "\n"); len(pgclusters) != 1 {
 445                         logger.Warnf("pg_lsclusters returned %d postgresql clusters -- skipping postgresql initdb/startup, hope that's ok", len(pgclusters))
 446                 } 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 {
 447                         err = fmt.Errorf("error parsing pg_lsclusters output: %s", err)
 448                         return 1
 449                 } else if pgc.Status == "online" {
 450                         logger.Infof("postgresql cluster %s-%s is online", pgc.Version, pgc.Cluster)
 451                 } else {
 452                         logger.Infof("postgresql cluster %s-%s is %s; trying to start", pgc.Version, pgc.Cluster, pgc.Status)
 453                         cmd := exec.Command("pg_ctlcluster", "--foreground", pgc.Version, pgc.Cluster, "start")
 454                         cmd.Stdout = stdout
 455                         cmd.Stderr = stderr
 456                         err = cmd.Start()
 457                         if err != nil {
 458                                 return 1
 459                         }
 460                         defer func() {
 461                                 cmd.Process.Signal(syscall.SIGTERM)
 462                                 logger.Info("sent SIGTERM; waiting for postgres to shut down")
 463                                 cmd.Wait()
 464                         }()
 465                         err = waitPostgreSQLReady()
 466                         if err != nil {
 467                                 return 1
 468                         }
 469                 }
 470
 471                 if os.Getpid() == 1 {
 472                         // We are the init process (presumably in a
 473                         // docker container) so although postgresql is
 474                         // installed, it's not running, and initdb
 475                         // might never have been run.
 476                 }
 477
 478                 var needcoll []string
 479                 // If the en_US.UTF-8 locale wasn't installed when
 480                 // postgresql initdb ran, it needs to be added
 481                 // explicitly before we can use it in our test suite.
 482                 for _, collname := range []string{"en_US", "en_US.UTF-8"} {
 483                         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')")
 484                         cmd.Dir = "/"
 485                         out, err2 := cmd.CombinedOutput()
 486                         if err != nil {
 487                                 err = fmt.Errorf("error while checking postgresql collations: %s", err2)
 488                                 return 1
 489                         }
 490                         if strings.Contains(string(out), "1") {
 491                                 logger.Infof("postgresql supports collation %s", collname)
 492                         } else {
 493                                 needcoll = append(needcoll, collname)
 494                         }
 495                 }
 496                 if len(needcoll) > 0 && os.Getpid() != 1 {
 497                         // In order for the CREATE COLLATION statement
 498                         // below to work, the locale must have existed
 499                         // when PostgreSQL started up. If we're
 500                         // running as init, we must have started
 501                         // PostgreSQL ourselves after installing the
 502                         // locales. Otherwise, it might need a
 503                         // restart, so we attempt to restart it with
 504                         // systemd.
 505                         if err = inst.runBash(`sudo systemctl restart postgresql`, stdout, stderr); err != nil {
 506                                 logger.Warn("`systemctl restart postgresql` failed; hoping postgresql does not need to be restarted")
 507                         } else if err = waitPostgreSQLReady(); err != nil {
 508                                 return 1
 509                         }
 510                 }
 511                 for _, collname := range needcoll {
 512                         cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "CREATE COLLATION \""+collname+"\" (LOCALE = \"en_US.UTF-8\")")
 513                         cmd.Stdout = stdout
 514                         cmd.Stderr = stderr
 515                         cmd.Dir = "/"
 516                         err = cmd.Run()
 517                         if err != nil {
 518                                 err = fmt.Errorf("error adding postgresql collation %s: %s", collname, err)
 519                                 return 1
 520                         }
 521                 }
 522
 523                 withstuff := "WITH LOGIN SUPERUSER ENCRYPTED PASSWORD " + pq.QuoteLiteral(devtestDatabasePassword)
 524                 cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "ALTER ROLE arvados "+withstuff)
 525                 cmd.Dir = "/"
 526                 if err := cmd.Run(); err == nil {
 527                         logger.Print("arvados role exists; superuser privileges added, password updated")
 528                 } else {
 529                         cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "CREATE ROLE arvados "+withstuff)
 530                         cmd.Dir = "/"
 531                         cmd.Stdout = stdout
 532                         cmd.Stderr = stderr
 533                         err = cmd.Run()
 534                         if err != nil {
 535                                 return 1
 536                         }
 537                 }
 538         }
 539
 540         var njsArch string
 541         switch runtime.GOARCH {
 542         case "amd64":
 543                 njsArch = "x64"
 544         default:
 545                 njsArch = runtime.GOARCH
 546         }
 547
 548         if !prod {
 549                 if havenodejsversion, err := exec.Command("/usr/local/bin/node", "--version").CombinedOutput(); err == nil && string(havenodejsversion) == "v"+inst.NodejsVersion+"\n" {
 550                         logger.Print("nodejs " + inst.NodejsVersion + " already installed")
 551                 } else {
 552                         err = inst.runBash(`
 553 NJS=v`+inst.NodejsVersion+`
 554 rm -rf /var/lib/arvados/node-*-linux-`+njsArch+`
 555 wget --progress=dot:giga -O- https://nodejs.org/dist/${NJS}/node-${NJS}-linux-`+njsArch+`.tar.xz | sudo tar -C /var/lib/arvados -xJf -
 556 ln -sfv /var/lib/arvados/node-${NJS}-linux-`+njsArch+`/bin/{node,npm} /usr/local/bin/
 557 `, stdout, stderr)
 558                         if err != nil {
 559                                 return 1
 560                         }
 561                 }
 562
 563                 if haveyarnversion, err := exec.Command("/usr/local/bin/yarn", "--version").CombinedOutput(); err == nil && len(haveyarnversion) > 0 {
 564                         logger.Print("yarn " + strings.TrimSpace(string(haveyarnversion)) + " already installed")
 565                 } else {
 566                         err = inst.runBash(`
 567 npm install -g yarn
 568 ln -sfv /var/lib/arvados/node-v`+inst.NodejsVersion+`-linux-`+njsArch+`/bin/{yarn,yarnpkg} /usr/local/bin/
 569 `, stdout, stderr)
 570                         if err != nil {
 571                                 return 1
 572                         }
 573                 }
 574         }
 575
 576         if prod || pkg {
 577                 // Install Go programs to /var/lib/arvados/bin/
 578                 for _, srcdir := range []string{
 579                         "cmd/arvados-client",
 580                         "cmd/arvados-server",
 581                 } {
 582                         fmt.Fprintf(stderr, "building %s...\n", srcdir)
 583                         // -buildvcs=false here avoids a fatal "error
 584                         // obtaining VCS status" when git refuses to
 585                         // run (for example) as root in a docker
 586                         // container using a non-root-owned git tree
 587                         // mounted from the host -- as in
 588                         // "arvados-package build".
 589                         cmd := exec.Command("go", "install", "-buildvcs=false",
 590                                 "-ldflags", "-s -w"+
 591                                         " -X git.arvados.org/arvados.git/lib/cmd.version="+inst.PackageVersion+
 592                                         " -X git.arvados.org/arvados.git/lib/cmd.commit="+inst.Commit)
 593                         cmd.Env = append(cmd.Env, os.Environ()...)
 594                         cmd.Env = append(cmd.Env, "GOBIN=/var/lib/arvados/bin")
 595                         cmd.Dir = filepath.Join(inst.SourcePath, srcdir)
 596                         cmd.Stdout = stdout
 597                         cmd.Stderr = stderr
 598                         err = cmd.Run()
 599                         if err != nil {
 600                                 return 1
 601                         }
 602                 }
 603
 604                 // Copy assets from source tree to /var/lib/arvados/share
 605                 cmd := exec.Command("install", "-v", "-t", "/var/lib/arvados/share", filepath.Join(inst.SourcePath, "sdk/python/tests/nginx.conf"))
 606                 cmd.Stdout = stdout
 607                 cmd.Stderr = stderr
 608                 err = cmd.Run()
 609                 if err != nil {
 610                         return 1
 611                 }
 612
 613                 // Install python SDK and arv-mount in
 614                 // /var/lib/arvados/lib/python.
 615                 //
 616                 // setup.py writes a file in the source directory in
 617                 // order to include the version number in the package
 618                 // itself.  We don't want to write to the source tree
 619                 // (in "arvados-package" context it's mounted
 620                 // readonly) so we run setup.py in a temporary copy of
 621                 // the source dir.
 622                 if err = inst.runBash(`
 623 v=/var/lib/arvados/lib/python
 624 tmp=/var/lib/arvados/tmp/python
 625 python3 -m venv "$v"
 626 . "$v/bin/activate"
 627 pip3 install --no-cache-dir 'setuptools>=68' 'pip>=20'
 628 export ARVADOS_BUILDING_VERSION="`+inst.PackageVersion+`"
 629 for src in "`+inst.SourcePath+`/sdk/python" "`+inst.SourcePath+`/services/fuse"; do
 630   rsync -a --delete-after "$src/" "$tmp/"
 631   env -C "$tmp" python3 setup.py build
 632   pip3 install "$tmp"
 633   rm -rf "$tmp"
 634 done
 635 `, stdout, stderr); err != nil {
 636                         return 1
 637                 }
 638
 639                 // Install RailsAPI to /var/lib/arvados/railsapi/
 640                 fmt.Fprintln(stderr, "building railsapi...")
 641                 cmd = exec.Command("rsync",
 642                         "-a", "--no-owner", "--no-group", "--delete-after", "--delete-excluded",
 643                         "--exclude", "/coverage",
 644                         "--exclude", "/log",
 645                         "--exclude", "/node_modules",
 646                         "--exclude", "/tmp",
 647                         "--exclude", "/public/assets",
 648                         "--exclude", "/vendor",
 649                         "--exclude", "/config/environments",
 650                         "./", "/var/lib/arvados/railsapi/")
 651                 cmd.Dir = filepath.Join(inst.SourcePath, "services", "api")
 652                 cmd.Stdout = stdout
 653                 cmd.Stderr = stderr
 654                 err = cmd.Run()
 655                 if err != nil {
 656                         return 1
 657                 }
 658                 for _, cmdline := range [][]string{
 659                         {"mkdir", "-p", "log", "public/assets", "tmp", "vendor", ".bundle", "/var/www/.bundle", "/var/www/.gem", "/var/www/.npm", "/var/www/.passenger"},
 660                         {"touch", "log/production.log"},
 661                         {"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"},
 662                         {"sudo", "-u", "www-data", "/var/lib/arvados/bin/gem", "install", "--user", "--conservative", "--no-document", "bundler:" + inst.BundlerVersion},
 663                         {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "config", "set", "--local", "deployment", "true"},
 664                         {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "config", "set", "--local", "path", "/var/www/.gem"},
 665                         {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "config", "set", "--local", "without", "development test diagnostics performance"},
 666                         {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "install", "--jobs", fmt.Sprintf("%d", runtime.NumCPU())},
 667
 668                         {"chown", "www-data:www-data", ".", "public/assets"},
 669                         // {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "config", "set", "--local", "system", "true"},
 670                         {"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"},
 671                         {"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"},
 672                         {"chown", "root:root", "."},
 673                         {"chown", "-R", "root:root", "public/assets", "vendor"},
 674
 675                         {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "build-native-support"},
 676                         {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "install-standalone-runtime"},
 677                 } {
 678                         if cmdline[len(cmdline)-2] == "rake" {
 679                                 continue
 680                         }
 681                         cmd = exec.Command(cmdline[0], cmdline[1:]...)
 682                         cmd.Dir = "/var/lib/arvados/railsapi"
 683                         cmd.Stdout = stdout
 684                         cmd.Stderr = stderr
 685                         fmt.Fprintf(stderr, "... %s\n", cmd.Args)
 686                         err = cmd.Run()
 687                         if err != nil {
 688                                 return 1
 689                         }
 690                 }
 691                 cmd = exec.Command("sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "validate-install")
 692                 cmd.Dir = "/var/lib/arvados/railsapi"
 693                 cmd.Stdout = stdout
 694                 cmd.Stderr = stderr
 695                 err = cmd.Run()
 696                 if err != nil && !strings.Contains(err.Error(), "exit status 2") {
 697                         // Exit code 2 indicates there were warnings (like
 698                         // "other passenger installations have been detected",
 699                         // which we can't expect to avoid) but no errors.
 700                         // Other non-zero exit codes (1, 9) indicate errors.
 701                         return 1
 702                 }
 703
 704                 // Install workbench2 app to
 705                 // /var/lib/arvados/workbench2/.
 706                 //
 707                 // We copy the source tree from the (possibly
 708                 // readonly) source tree into a temp dir because `yarn
 709                 // build` writes to {source-tree}/build/. When we
 710                 // upgrade to react-scripts >= 4.0.2 we may be able to
 711                 // build from the source dir and write directly to the
 712                 // final destination (using
 713                 // YARN_INSTALL_STATE_PATH=/dev/null
 714                 // BUILD_PATH=/var/lib/arvados/workbench2) instead of
 715                 // using two rsync steps here.
 716                 if err = inst.runBash(`
 717 src="`+inst.SourcePath+`/services/workbench2"
 718 tmp=/var/lib/arvados/tmp/workbench2
 719 trap "rm -r ${tmp}" ERR EXIT
 720 dst=/var/lib/arvados/workbench2
 721 rsync -a --delete-after "$src/" "$tmp/"
 722 env -C "$tmp" VERSION="`+inst.PackageVersion+`" BUILD_NUMBER=1 GIT_COMMIT="`+inst.Commit[:9]+`" yarn build
 723 rsync -a --delete-after "$tmp/build/" "$dst/"
 724 `, stdout, stderr); err != nil {
 725                         return 1
 726                 }
 727
 728                 // Install arvados-cli gem (binaries go in
 729                 // /var/lib/arvados/bin)
 730                 if err = inst.runBash(`
 731 /var/lib/arvados/bin/gem install --conservative --no-document arvados-cli
 732 `, stdout, stderr); err != nil {
 733                         return 1
 734                 }
 735
 736                 err = os.WriteFile("/lib/systemd/system/arvados.service", arvadosServiceFile, 0777)
 737                 if err != nil {
 738                         return 1
 739                 }
 740                 if prod {
 741                         // (fpm will do this for us in the pkg case)
 742                         // This is equivalent to "systemd enable", but
 743                         // does not depend on the systemctl program
 744                         // being available:
 745                         symlink := "/etc/systemd/system/multi-user.target.wants/arvados.service"
 746                         err = os.Remove(symlink)
 747                         if err != nil && !errors.Is(err, os.ErrNotExist) {
 748                                 return 1
 749                         }
 750                         err = os.Symlink("/lib/systemd/system/arvados.service", symlink)
 751                         if err != nil {
 752                                 return 1
 753                         }
 754                 }
 755
 756                 // Add symlinks in /usr/bin for user-facing programs
 757                 for _, srcdst := range [][]string{
 758                         // go
 759                         {"bin/arvados-client"},
 760                         {"bin/arvados-client", "arv"},
 761                         {"bin/arvados-server"},
 762                         // sdk/cli
 763                         {"bin/arv", "arv-ruby"},
 764                         {"bin/arv-tag"},
 765                         // sdk/python
 766                         {"lib/python/bin/arv-copy"},
 767                         {"lib/python/bin/arv-federation-migrate"},
 768                         {"lib/python/bin/arv-get"},
 769                         {"lib/python/bin/arv-keepdocker"},
 770                         {"lib/python/bin/arv-ls"},
 771                         {"lib/python/bin/arv-migrate-docker19"},
 772                         {"lib/python/bin/arv-normalize"},
 773                         {"lib/python/bin/arv-put"},
 774                         {"lib/python/bin/arv-ws"},
 775                         // services/fuse
 776                         {"lib/python/bin/arv-mount"},
 777                 } {
 778                         src := "/var/lib/arvados/" + srcdst[0]
 779                         if _, err = os.Stat(src); err != nil {
 780                                 return 1
 781                         }
 782                         dst := srcdst[len(srcdst)-1]
 783                         _, dst = filepath.Split(dst)
 784                         dst = "/usr/bin/" + dst
 785                         err = os.Remove(dst)
 786                         if err != nil && !errors.Is(err, os.ErrNotExist) {
 787                                 return 1
 788                         }
 789                         err = os.Symlink(src, dst)
 790                         if err != nil {
 791                                 return 1
 792                         }
 793                 }
 794         }
 795
 796         return 0
 797 }
 798
 799 type osversion struct {
 800         Debian bool
 801         Ubuntu bool
 802         RedHat bool
 803         Major  int
 804 }
 805
 806 func identifyOS() (osversion, error) {
 807         var osv osversion
 808         f, err := os.Open("/etc/os-release")
 809         if err != nil {
 810                 return osv, err
 811         }
 812         defer f.Close()
 813
 814         kv := map[string]string{}
 815         scanner := bufio.NewScanner(f)
 816         for scanner.Scan() {
 817                 line := strings.TrimSpace(scanner.Text())
 818                 if strings.HasPrefix(line, "#") {
 819                         continue
 820                 }
 821                 toks := strings.SplitN(line, "=", 2)
 822                 if len(toks) != 2 {
 823                         return osv, fmt.Errorf("invalid line in /etc/os-release: %q", line)
 824                 }
 825                 k := toks[0]
 826                 v := strings.Trim(toks[1], `"`)
 827                 if v == toks[1] {
 828                         v = strings.Trim(v, `'`)
 829                 }
 830                 kv[k] = v
 831         }
 832         if err = scanner.Err(); err != nil {
 833                 return osv, err
 834         }
 835         switch kv["ID"] {
 836         case "ubuntu":
 837                 osv.Ubuntu = true
 838         case "debian":
 839                 osv.Debian = true
 840         default:
 841                 idLikeMatched := false
 842                 for _, idLike := range strings.Split(kv["ID_LIKE"], " ") {
 843                         switch idLike {
 844                         case "debian":
 845                                 osv.Debian = true
 846                                 idLikeMatched = true
 847                         case "rhel":
 848                                 osv.RedHat = true
 849                                 idLikeMatched = true
 850                         }
 851                         if idLikeMatched {
 852                                 break
 853                         }
 854                 }
 855                 if !idLikeMatched {
 856                         return osv, fmt.Errorf("no supported ID found in /etc/os-release")
 857                 }
 858         }
 859         vstr := kv["VERSION_ID"]
 860         if i := strings.Index(vstr, "."); i > 0 {
 861                 vstr = vstr[:i]
 862         }
 863         osv.Major, err = strconv.Atoi(vstr)
 864         if err != nil {
 865                 return osv, fmt.Errorf("incomprehensible VERSION_ID in /etc/os-release: %q", kv["VERSION_ID"])
 866         }
 867         return osv, nil
 868 }
 869
 870 func waitPostgreSQLReady() error {
 871         for deadline := time.Now().Add(10 * time.Second); ; {
 872                 output, err := exec.Command("pg_isready").CombinedOutput()
 873                 if err == nil {
 874                         return nil
 875                 } else if time.Now().After(deadline) {
 876                         return fmt.Errorf("timed out waiting for pg_isready (%q)", output)
 877                 } else {
 878                         time.Sleep(time.Second)
 879                 }
 880         }
 881 }
 882
 883 func (inst *installCommand) runBash(script string, stdout, stderr io.Writer) error {
 884         cmd := exec.Command("bash", "-")
 885         if inst.EatMyData {
 886                 cmd = exec.Command("eatmydata", "bash", "-")
 887         }
 888         cmd.Stdin = bytes.NewBufferString("set -ex -o pipefail\n" + script)
 889         cmd.Stdout = stdout
 890         cmd.Stderr = stderr
 891         return cmd.Run()
 892 }
 893
 894 func prodpkgs(osv osversion) []string {
 895         pkgs := []string{
 896                 "ca-certificates",
 897                 "curl",
 898                 "fuse",
 899                 "git",
 900                 "gitolite3",
 901                 "graphviz",
 902                 "haveged",
 903                 "libcurl3-gnutls",
 904                 "libxslt1.1",
 905                 "nginx",
 906                 "python3",
 907                 "sudo",
 908         }
 909         if osv.Debian || osv.Ubuntu {
 910                 if osv.Debian && osv.Major == 8 {
 911                         pkgs = append(pkgs, "libgnutls-deb0-28") // sdk/cwl
 912                 } else if osv.Debian && osv.Major >= 10 || osv.Ubuntu && osv.Major >= 16 {
 913                         pkgs = append(pkgs, "python3-distutils") // sdk/cwl
 914                 }
 915                 return append(pkgs,
 916                         "mime-support", // keep-web
 917                 )
 918         } else if osv.RedHat {
 919                 return append(pkgs,
 920                         "fuse-libs", // services/fuse
 921                         "mailcap",   // keep-web
 922                 )
 923         } else {
 924                 panic("os version not supported")
 925         }
 926 }
 927
 928 func ProductionDependencies() ([]string, error) {
 929         osv, err := identifyOS()
 930         if err != nil {
 931                 return nil, err
 932         }
 933         return prodpkgs(osv), nil
 934 }