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         "runtime"
  21         "strconv"
  22         "strings"
  23         "syscall"
  24         "time"
  25
  26         "git.arvados.org/arvados.git/lib/cmd"
  27         "git.arvados.org/arvados.git/sdk/go/ctxlog"
  28         "github.com/lib/pq"
  29 )
  30
  31 var Command cmd.Handler = &installCommand{}
  32
  33 const goversion = "1.20.6"
  34
  35 const (
  36         rubyversion             = "2.7.7"
  37         bundlerversion          = "2.2.19"
  38         singularityversion      = "3.10.4"
  39         pjsversion              = "1.9.8"
  40         geckoversion            = "0.24.0"
  41         gradleversion           = "5.3.1"
  42         nodejsversion           = "v12.22.12"
  43         devtestDatabasePassword = "insecure_arvados_test"
  44 )
  45
  46 //go:embed arvados.service
  47 var arvadosServiceFile []byte
  48
  49 type installCommand struct {
  50         ClusterType    string
  51         SourcePath     string
  52         PackageVersion string
  53         EatMyData      bool
  54 }
  55
  56 func (inst *installCommand) RunCommand(prog string, args []string, stdin io.Reader, stdout, stderr io.Writer) int {
  57         logger := ctxlog.New(stderr, "text", "info")
  58         ctx := ctxlog.Context(context.Background(), logger)
  59         ctx, cancel := context.WithCancel(ctx)
  60         defer cancel()
  61
  62         var err error
  63         defer func() {
  64                 if err != nil {
  65                         logger.WithError(err).Info("exiting")
  66                 }
  67         }()
  68
  69         flags := flag.NewFlagSet(prog, flag.ContinueOnError)
  70         flags.SetOutput(stderr)
  71         versionFlag := flags.Bool("version", false, "Write version information to stdout and exit 0")
  72         flags.StringVar(&inst.ClusterType, "type", "production", "cluster `type`: development, test, production, or package")
  73         flags.StringVar(&inst.SourcePath, "source", "/arvados", "source tree location (required for -type=package)")
  74         flags.StringVar(&inst.PackageVersion, "package-version", "0.0.0", "version string to embed in executable files")
  75         flags.BoolVar(&inst.EatMyData, "eatmydata", false, "use eatmydata to speed up install")
  76
  77         if ok, code := cmd.ParseFlags(flags, prog, args, "", stderr); !ok {
  78                 return code
  79         } else if *versionFlag {
  80                 return cmd.Version.RunCommand(prog, args, stdin, stdout, stderr)
  81         }
  82
  83         var dev, test, prod, pkg bool
  84         switch inst.ClusterType {
  85         case "development":
  86                 dev = true
  87         case "test":
  88                 test = true
  89         case "production":
  90                 prod = true
  91         case "package":
  92                 pkg = true
  93         default:
  94                 err = fmt.Errorf("invalid cluster type %q (must be 'development', 'test', 'production', or 'package')", inst.ClusterType)
  95                 return 2
  96         }
  97
  98         if prod {
  99                 err = errors.New("production install is not yet implemented")
 100                 return 1
 101         }
 102
 103         osv, err := identifyOS()
 104         if err != nil {
 105                 return 1
 106         }
 107
 108         listdir, err := os.Open("/var/lib/apt/lists")
 109         if err != nil {
 110                 logger.Warnf("error while checking whether to run apt-get update: %s", err)
 111         } else if names, _ := listdir.Readdirnames(1); len(names) == 0 {
 112                 // Special case for a base docker image where the
 113                 // package cache has been deleted and all "apt-get
 114                 // install" commands will fail unless we fetch repos.
 115                 cmd := exec.CommandContext(ctx, "apt-get", "update")
 116                 cmd.Stdout = stdout
 117                 cmd.Stderr = stderr
 118                 err = cmd.Run()
 119                 if err != nil {
 120                         return 1
 121                 }
 122         }
 123
 124         if inst.EatMyData {
 125                 cmd := exec.CommandContext(ctx, "apt-get", "install", "--yes", "--no-install-recommends", "eatmydata")
 126                 cmd.Env = append(os.Environ(), "DEBIAN_FRONTEND=noninteractive")
 127                 cmd.Stdout = stdout
 128                 cmd.Stderr = stderr
 129                 err = cmd.Run()
 130                 if err != nil {
 131                         return 1
 132                 }
 133         }
 134
 135         pkgs := prodpkgs(osv)
 136
 137         if pkg {
 138                 pkgs = append(pkgs,
 139                         "dpkg-dev",
 140                         "eatmydata", // install it for later steps, even if we're not using it now
 141                 )
 142         }
 143
 144         if dev || test || pkg {
 145                 pkgs = append(pkgs,
 146                         "automake",
 147                         "bison",
 148                         "bsdmainutils",
 149                         "build-essential",
 150                         "cadaver",
 151                         "curl",
 152                         "cython3",
 153                         "default-jdk-headless",
 154                         "default-jre-headless",
 155                         "gettext",
 156                         "libattr1-dev",
 157                         "libfuse-dev",
 158                         "libgbm1", // cypress / workbench2 tests
 159                         "libgnutls28-dev",
 160                         "libpam-dev",
 161                         "libpcre3-dev",
 162                         "libpq-dev",
 163                         "libreadline-dev",
 164                         "libssl-dev",
 165                         "libxml2-dev",
 166                         "libxslt1-dev",
 167                         "linkchecker",
 168                         "lsof",
 169                         "make",
 170                         "net-tools",
 171                         "pandoc",
 172                         "pkg-config",
 173                         "postgresql",
 174                         "postgresql-contrib",
 175                         "python3-dev",
 176                         "python3-venv",
 177                         "python3-virtualenv",
 178                         "r-base",
 179                         "r-cran-testthat",
 180                         "r-cran-devtools",
 181                         "r-cran-knitr",
 182                         "r-cran-markdown",
 183                         "r-cran-roxygen2",
 184                         "r-cran-xml",
 185                         "rsync",
 186                         "sudo",
 187                         "uuid-dev",
 188                         "wget",
 189                         "xvfb",
 190                         "zlib1g-dev", // services/api
 191                 )
 192                 if test {
 193                         if osv.Debian && osv.Major <= 10 {
 194                                 pkgs = append(pkgs, "iceweasel")
 195                         } else if osv.Debian && osv.Major >= 11 {
 196                                 pkgs = append(pkgs, "firefox-esr")
 197                         } else {
 198                                 pkgs = append(pkgs, "firefox")
 199                         }
 200                 }
 201                 if dev || test {
 202                         pkgs = append(pkgs,
 203                                 "libglib2.0-dev", // singularity (conmon)
 204                                 "libseccomp-dev", // singularity (seccomp)
 205                                 "squashfs-tools", // singularity
 206                                 "gnupg")          // docker install recipe
 207                 }
 208                 switch {
 209                 case osv.Debian && osv.Major >= 11:
 210                         pkgs = append(pkgs, "g++", "libcurl4", "libcurl4-openssl-dev")
 211                 case osv.Debian && osv.Major >= 10:
 212                         pkgs = append(pkgs, "g++", "libcurl4", "libcurl4-openssl-dev")
 213                 case osv.Debian || osv.Ubuntu:
 214                         pkgs = append(pkgs, "g++", "libcurl3", "libcurl3-openssl-dev")
 215                 case osv.Centos:
 216                         pkgs = append(pkgs, "gcc", "gcc-c++", "libcurl-devel", "postgresql-devel")
 217                 }
 218                 cmd := exec.CommandContext(ctx, "apt-get")
 219                 if inst.EatMyData {
 220                         cmd = exec.CommandContext(ctx, "eatmydata", "apt-get")
 221                 }
 222                 cmd.Args = append(cmd.Args, "install", "--yes", "--no-install-recommends")
 223                 cmd.Args = append(cmd.Args, pkgs...)
 224                 cmd.Env = append(os.Environ(), "DEBIAN_FRONTEND=noninteractive")
 225                 cmd.Stdout = stdout
 226                 cmd.Stderr = stderr
 227                 err = cmd.Run()
 228                 if err != nil {
 229                         return 1
 230                 }
 231         }
 232
 233         if dev || test {
 234                 if havedockerversion, err := exec.Command("docker", "--version").CombinedOutput(); err == nil {
 235                         logger.Printf("%s installed, assuming that version is ok", bytes.TrimSuffix(havedockerversion, []byte("\n")))
 236                 } else if osv.Debian {
 237                         var codename string
 238                         switch osv.Major {
 239                         case 10:
 240                                 codename = "buster"
 241                         case 11:
 242                                 codename = "bullseye"
 243                         default:
 244                                 err = fmt.Errorf("don't know how to install docker-ce for debian %d", osv.Major)
 245                                 return 1
 246                         }
 247                         err = inst.runBash(`
 248 rm -f /usr/share/keyrings/docker-archive-keyring.gpg
 249 curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
 250 echo 'deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian/ `+codename+` stable' | \
 251     tee /etc/apt/sources.list.d/docker.list
 252 apt-get update
 253 DEBIAN_FRONTEND=noninteractive apt-get --yes --no-install-recommends install docker-ce
 254 `, stdout, stderr)
 255                         if err != nil {
 256                                 return 1
 257                         }
 258                 } else {
 259                         err = fmt.Errorf("don't know how to install docker for osversion %v", osv)
 260                         return 1
 261                 }
 262
 263                 err = inst.runBash(`
 264 add="fs.inotify.max_user_watches=524288"
 265 if ! grep -F -- "$add" /etc/sysctl.conf; then
 266     echo "$add" | tee -a /etc/sysctl.conf
 267     sysctl -p
 268 fi
 269 `, stdout, stderr)
 270                 if err != nil {
 271                         // Just warn instead of fail because this is expected when running
 272                         // inside Docker.
 273                         logger.Warnf("couldn't set fs.inotify.max_user_watches value: %v", err)
 274                 }
 275         }
 276
 277         os.Mkdir("/var/lib/arvados", 0755)
 278         os.Mkdir("/var/lib/arvados/tmp", 0700)
 279         if prod || pkg {
 280                 u, er := user.Lookup("www-data")
 281                 if er != nil {
 282                         err = fmt.Errorf("user.Lookup(%q): %w", "www-data", er)
 283                         return 1
 284                 }
 285                 uid, _ := strconv.Atoi(u.Uid)
 286                 gid, _ := strconv.Atoi(u.Gid)
 287                 os.Mkdir("/var/lib/arvados/wwwtmp", 0700)
 288                 err = os.Chown("/var/lib/arvados/wwwtmp", uid, gid)
 289                 if err != nil {
 290                         return 1
 291                 }
 292         }
 293         rubymajorversion := rubyversion[:strings.LastIndex(rubyversion, ".")]
 294         if haverubyversion, err := exec.Command("/var/lib/arvados/bin/ruby", "-v").CombinedOutput(); err == nil && bytes.HasPrefix(haverubyversion, []byte("ruby "+rubyversion)) {
 295                 logger.Print("ruby " + rubyversion + " already installed")
 296         } else {
 297                 err = inst.runBash(`
 298 tmp="$(mktemp -d)"
 299 trap 'rm -r "${tmp}"' ERR EXIT
 300 wget --progress=dot:giga -O- https://cache.ruby-lang.org/pub/ruby/`+rubymajorversion+`/ruby-`+rubyversion+`.tar.gz | tar -C "${tmp}" -xzf -
 301 cd "${tmp}/ruby-`+rubyversion+`"
 302 ./configure --disable-install-static-library --enable-shared --disable-install-doc --prefix /var/lib/arvados
 303 make -j8
 304 make install
 305 /var/lib/arvados/bin/gem install bundler --no-document
 306 `, stdout, stderr)
 307                 if err != nil {
 308                         return 1
 309                 }
 310         }
 311
 312         if !prod {
 313                 if havegoversion, err := exec.Command("/usr/local/bin/go", "version").CombinedOutput(); err == nil && bytes.HasPrefix(havegoversion, []byte("go version go"+goversion+" ")) {
 314                         logger.Print("go " + goversion + " already installed")
 315                 } else {
 316                         err = inst.runBash(`
 317 cd /tmp
 318 rm -rf /var/lib/arvados/go/
 319 wget --progress=dot:giga -O- https://storage.googleapis.com/golang/go`+goversion+`.linux-amd64.tar.gz | tar -C /var/lib/arvados -xzf -
 320 ln -sfv /var/lib/arvados/go/bin/* /usr/local/bin/
 321 `, stdout, stderr)
 322                         if err != nil {
 323                                 return 1
 324                         }
 325                 }
 326         }
 327
 328         if !prod && !pkg {
 329                 if havepjsversion, err := exec.Command("/usr/local/bin/phantomjs", "--version").CombinedOutput(); err == nil && string(havepjsversion) == "1.9.8\n" {
 330                         logger.Print("phantomjs " + pjsversion + " already installed")
 331                 } else {
 332                         err = inst.runBash(`
 333 PJS=phantomjs-`+pjsversion+`-linux-x86_64
 334 wget --progress=dot:giga -O- https://cache.arvados.org/$PJS.tar.bz2 | tar -C /var/lib/arvados -xjf -
 335 ln -sfv /var/lib/arvados/$PJS/bin/phantomjs /usr/local/bin/
 336 `, stdout, stderr)
 337                         if err != nil {
 338                                 return 1
 339                         }
 340                 }
 341
 342                 if havegeckoversion, err := exec.Command("/usr/local/bin/geckodriver", "--version").CombinedOutput(); err == nil && strings.Contains(string(havegeckoversion), " "+geckoversion+" ") {
 343                         logger.Print("geckodriver " + geckoversion + " already installed")
 344                 } else {
 345                         err = inst.runBash(`
 346 GD=v`+geckoversion+`
 347 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
 348 ln -sfv /var/lib/arvados/bin/geckodriver /usr/local/bin/
 349 `, stdout, stderr)
 350                         if err != nil {
 351                                 return 1
 352                         }
 353                 }
 354
 355                 if havegradleversion, err := exec.Command("/usr/local/bin/gradle", "--version").CombinedOutput(); err == nil && strings.Contains(string(havegradleversion), "Gradle "+gradleversion+"\n") {
 356                         logger.Print("gradle " + gradleversion + " already installed")
 357                 } else {
 358                         err = inst.runBash(`
 359 G=`+gradleversion+`
 360 zip=/var/lib/arvados/tmp/gradle-${G}-bin.zip
 361 trap "rm ${zip}" ERR
 362 wget --progress=dot:giga -O${zip} https://services.gradle.org/distributions/gradle-${G}-bin.zip
 363 unzip -o -d /var/lib/arvados ${zip}
 364 ln -sfv /var/lib/arvados/gradle-${G}/bin/gradle /usr/local/bin/
 365 rm ${zip}
 366 `, stdout, stderr)
 367                         if err != nil {
 368                                 return 1
 369                         }
 370                 }
 371
 372                 if havesingularityversion, err := exec.Command("/var/lib/arvados/bin/singularity", "--version").CombinedOutput(); err == nil && strings.Contains(string(havesingularityversion), singularityversion) {
 373                         logger.Print("singularity " + singularityversion + " already installed")
 374                 } else if dev || test {
 375                         err = inst.runBash(`
 376 S=`+singularityversion+`
 377 tmp=/var/lib/arvados/tmp/singularity
 378 trap "rm -r ${tmp}" ERR EXIT
 379 cd /var/lib/arvados/tmp
 380 git clone --recurse-submodules https://github.com/sylabs/singularity
 381 cd singularity
 382 git checkout v${S}
 383 ./mconfig --prefix=/var/lib/arvados
 384 make -C ./builddir
 385 make -C ./builddir install
 386 `, stdout, stderr)
 387                         if err != nil {
 388                                 return 1
 389                         }
 390                 }
 391
 392                 err = inst.runBash(`
 393 install /usr/bin/nsenter /var/lib/arvados/bin/nsenter
 394 setcap "cap_sys_admin+pei cap_sys_chroot+pei" /var/lib/arvados/bin/nsenter
 395 `, stdout, stderr)
 396                 if err != nil {
 397                         return 1
 398                 }
 399
 400                 // The entry in /etc/locale.gen is "en_US.UTF-8"; once
 401                 // it's installed, locale -a reports it as
 402                 // "en_US.utf8".
 403                 wantlocale := "en_US.UTF-8"
 404                 if havelocales, err := exec.Command("locale", "-a").CombinedOutput(); err == nil && bytes.Contains(havelocales, []byte(strings.Replace(wantlocale+"\n", "UTF-", "utf", 1))) {
 405                         logger.Print("locale " + wantlocale + " already installed")
 406                 } else {
 407                         err = inst.runBash(`sed -i 's/^# *\(`+wantlocale+`\)/\1/' /etc/locale.gen && locale-gen`, stdout, stderr)
 408                         if err != nil {
 409                                 return 1
 410                         }
 411                 }
 412
 413                 var pgc struct {
 414                         Version       string
 415                         Cluster       string
 416                         Port          int
 417                         Status        string
 418                         Owner         string
 419                         DataDirectory string
 420                         LogFile       string
 421                 }
 422                 if pgLsclusters, err2 := exec.Command("pg_lsclusters", "--no-header").CombinedOutput(); err2 != nil {
 423                         err = fmt.Errorf("pg_lsclusters: %s", err2)
 424                         return 1
 425                 } else if pgclusters := strings.Split(strings.TrimSpace(string(pgLsclusters)), "\n"); len(pgclusters) != 1 {
 426                         logger.Warnf("pg_lsclusters returned %d postgresql clusters -- skipping postgresql initdb/startup, hope that's ok", len(pgclusters))
 427                 } 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 {
 428                         err = fmt.Errorf("error parsing pg_lsclusters output: %s", err)
 429                         return 1
 430                 } else if pgc.Status == "online" {
 431                         logger.Infof("postgresql cluster %s-%s is online", pgc.Version, pgc.Cluster)
 432                 } else {
 433                         logger.Infof("postgresql cluster %s-%s is %s; trying to start", pgc.Version, pgc.Cluster, pgc.Status)
 434                         cmd := exec.Command("pg_ctlcluster", "--foreground", pgc.Version, pgc.Cluster, "start")
 435                         cmd.Stdout = stdout
 436                         cmd.Stderr = stderr
 437                         err = cmd.Start()
 438                         if err != nil {
 439                                 return 1
 440                         }
 441                         defer func() {
 442                                 cmd.Process.Signal(syscall.SIGTERM)
 443                                 logger.Info("sent SIGTERM; waiting for postgres to shut down")
 444                                 cmd.Wait()
 445                         }()
 446                         err = waitPostgreSQLReady()
 447                         if err != nil {
 448                                 return 1
 449                         }
 450                 }
 451
 452                 if os.Getpid() == 1 {
 453                         // We are the init process (presumably in a
 454                         // docker container) so although postgresql is
 455                         // installed, it's not running, and initdb
 456                         // might never have been run.
 457                 }
 458
 459                 var needcoll []string
 460                 // If the en_US.UTF-8 locale wasn't installed when
 461                 // postgresql initdb ran, it needs to be added
 462                 // explicitly before we can use it in our test suite.
 463                 for _, collname := range []string{"en_US", "en_US.UTF-8"} {
 464                         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')")
 465                         cmd.Dir = "/"
 466                         out, err2 := cmd.CombinedOutput()
 467                         if err != nil {
 468                                 err = fmt.Errorf("error while checking postgresql collations: %s", err2)
 469                                 return 1
 470                         }
 471                         if strings.Contains(string(out), "1") {
 472                                 logger.Infof("postgresql supports collation %s", collname)
 473                         } else {
 474                                 needcoll = append(needcoll, collname)
 475                         }
 476                 }
 477                 if len(needcoll) > 0 && os.Getpid() != 1 {
 478                         // In order for the CREATE COLLATION statement
 479                         // below to work, the locale must have existed
 480                         // when PostgreSQL started up. If we're
 481                         // running as init, we must have started
 482                         // PostgreSQL ourselves after installing the
 483                         // locales. Otherwise, it might need a
 484                         // restart, so we attempt to restart it with
 485                         // systemd.
 486                         if err = inst.runBash(`sudo systemctl restart postgresql`, stdout, stderr); err != nil {
 487                                 logger.Warn("`systemctl restart postgresql` failed; hoping postgresql does not need to be restarted")
 488                         } else if err = waitPostgreSQLReady(); err != nil {
 489                                 return 1
 490                         }
 491                 }
 492                 for _, collname := range needcoll {
 493                         cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "CREATE COLLATION \""+collname+"\" (LOCALE = \"en_US.UTF-8\")")
 494                         cmd.Stdout = stdout
 495                         cmd.Stderr = stderr
 496                         cmd.Dir = "/"
 497                         err = cmd.Run()
 498                         if err != nil {
 499                                 err = fmt.Errorf("error adding postgresql collation %s: %s", collname, err)
 500                                 return 1
 501                         }
 502                 }
 503
 504                 withstuff := "WITH LOGIN SUPERUSER ENCRYPTED PASSWORD " + pq.QuoteLiteral(devtestDatabasePassword)
 505                 cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "ALTER ROLE arvados "+withstuff)
 506                 cmd.Dir = "/"
 507                 if err := cmd.Run(); err == nil {
 508                         logger.Print("arvados role exists; superuser privileges added, password updated")
 509                 } else {
 510                         cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "CREATE ROLE arvados "+withstuff)
 511                         cmd.Dir = "/"
 512                         cmd.Stdout = stdout
 513                         cmd.Stderr = stderr
 514                         err = cmd.Run()
 515                         if err != nil {
 516                                 return 1
 517                         }
 518                 }
 519         }
 520
 521         if !prod {
 522                 if havenodejsversion, err := exec.Command("/usr/local/bin/node", "--version").CombinedOutput(); err == nil && string(havenodejsversion) == nodejsversion+"\n" {
 523                         logger.Print("nodejs " + nodejsversion + " already installed")
 524                 } else {
 525                         err = inst.runBash(`
 526 NJS=`+nodejsversion+`
 527 rm -rf /var/lib/arvados/node-*-linux-x64
 528 wget --progress=dot:giga -O- https://nodejs.org/dist/${NJS}/node-${NJS}-linux-x64.tar.xz | sudo tar -C /var/lib/arvados -xJf -
 529 ln -sfv /var/lib/arvados/node-${NJS}-linux-x64/bin/{node,npm} /usr/local/bin/
 530 `, stdout, stderr)
 531                         if err != nil {
 532                                 return 1
 533                         }
 534                 }
 535
 536                 if haveyarnversion, err := exec.Command("/usr/local/bin/yarn", "--version").CombinedOutput(); err == nil && len(haveyarnversion) > 0 {
 537                         logger.Print("yarn " + strings.TrimSpace(string(haveyarnversion)) + " already installed")
 538                 } else {
 539                         err = inst.runBash(`
 540 npm install -g yarn
 541 ln -sfv /var/lib/arvados/node-`+nodejsversion+`-linux-x64/bin/{yarn,yarnpkg} /usr/local/bin/
 542 `, stdout, stderr)
 543                         if err != nil {
 544                                 return 1
 545                         }
 546                 }
 547         }
 548
 549         if prod || pkg {
 550                 // Install Go programs to /var/lib/arvados/bin/
 551                 for _, srcdir := range []string{
 552                         "cmd/arvados-client",
 553                         "cmd/arvados-server",
 554                 } {
 555                         fmt.Fprintf(stderr, "building %s...\n", srcdir)
 556                         cmd := exec.Command("go", "install", "-ldflags", "-X git.arvados.org/arvados.git/lib/cmd.version="+inst.PackageVersion+" -X main.version="+inst.PackageVersion+" -s -w")
 557                         cmd.Env = append(cmd.Env, os.Environ()...)
 558                         cmd.Env = append(cmd.Env, "GOBIN=/var/lib/arvados/bin")
 559                         cmd.Dir = filepath.Join(inst.SourcePath, srcdir)
 560                         cmd.Stdout = stdout
 561                         cmd.Stderr = stderr
 562                         err = cmd.Run()
 563                         if err != nil {
 564                                 return 1
 565                         }
 566                 }
 567
 568                 // Copy assets from source tree to /var/lib/arvados/share
 569                 cmd := exec.Command("install", "-v", "-t", "/var/lib/arvados/share", filepath.Join(inst.SourcePath, "sdk/python/tests/nginx.conf"))
 570                 cmd.Stdout = stdout
 571                 cmd.Stderr = stderr
 572                 err = cmd.Run()
 573                 if err != nil {
 574                         return 1
 575                 }
 576
 577                 // Install python SDK and arv-mount in
 578                 // /var/lib/arvados/lib/python.
 579                 //
 580                 // setup.py writes a file in the source directory in
 581                 // order to include the version number in the package
 582                 // itself.  We don't want to write to the source tree
 583                 // (in "arvados-package" context it's mounted
 584                 // readonly) so we run setup.py in a temporary copy of
 585                 // the source dir.
 586                 if err = inst.runBash(`
 587 v=/var/lib/arvados/lib/python
 588 tmp=/var/lib/arvados/tmp/python
 589 python3 -m venv "$v"
 590 . "$v/bin/activate"
 591 pip3 install --no-cache-dir 'setuptools>=18.5' 'pip>=7'
 592 export ARVADOS_BUILDING_VERSION="`+inst.PackageVersion+`"
 593 for src in "`+inst.SourcePath+`/sdk/python" "`+inst.SourcePath+`/services/fuse"; do
 594   rsync -a --delete-after "$src/" "$tmp/"
 595   cd "$tmp"
 596   python3 setup.py install
 597   cd ..
 598   rm -rf "$tmp"
 599 done
 600 `, stdout, stderr); err != nil {
 601                         return 1
 602                 }
 603
 604                 // Install Rails apps to /var/lib/arvados/{railsapi,workbench1}/
 605                 for dstdir, srcdir := range map[string]string{
 606                         "railsapi":   "services/api",
 607                         "workbench1": "apps/workbench",
 608                 } {
 609                         fmt.Fprintf(stderr, "building %s...\n", srcdir)
 610                         cmd := exec.Command("rsync",
 611                                 "-a", "--no-owner", "--no-group", "--delete-after", "--delete-excluded",
 612                                 "--exclude", "/coverage",
 613                                 "--exclude", "/log",
 614                                 "--exclude", "/node_modules",
 615                                 "--exclude", "/tmp",
 616                                 "--exclude", "/public/assets",
 617                                 "--exclude", "/vendor",
 618                                 "--exclude", "/config/environments",
 619                                 "./", "/var/lib/arvados/"+dstdir+"/")
 620                         cmd.Dir = filepath.Join(inst.SourcePath, srcdir)
 621                         cmd.Stdout = stdout
 622                         cmd.Stderr = stderr
 623                         err = cmd.Run()
 624                         if err != nil {
 625                                 return 1
 626                         }
 627                         for _, cmdline := range [][]string{
 628                                 {"mkdir", "-p", "log", "public/assets", "tmp", "vendor", ".bundle", "/var/www/.bundle", "/var/www/.gem", "/var/www/.npm", "/var/www/.passenger"},
 629                                 {"touch", "log/production.log"},
 630                                 {"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"},
 631                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/gem", "install", "--user", "--conservative", "--no-document", "bundler:" + bundlerversion},
 632                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "config", "set", "--local", "deployment", "true"},
 633                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "config", "set", "--local", "path", "/var/www/.gem"},
 634                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "config", "set", "--local", "without", "development test diagnostics performance"},
 635                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "install", "--jobs", fmt.Sprintf("%d", runtime.NumCPU())},
 636
 637                                 {"chown", "www-data:www-data", ".", "public/assets"},
 638                                 // {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "config", "set", "--local", "system", "true"},
 639                                 {"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"},
 640                                 {"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"},
 641                                 {"chown", "root:root", "."},
 642                                 {"chown", "-R", "root:root", "public/assets", "vendor"},
 643
 644                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "build-native-support"},
 645                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "install-standalone-runtime"},
 646                         } {
 647                                 if cmdline[len(cmdline)-2] == "rake" && dstdir != "workbench1" {
 648                                         continue
 649                                 }
 650                                 cmd = exec.Command(cmdline[0], cmdline[1:]...)
 651                                 cmd.Dir = "/var/lib/arvados/" + dstdir
 652                                 cmd.Stdout = stdout
 653                                 cmd.Stderr = stderr
 654                                 fmt.Fprintf(stderr, "... %s\n", cmd.Args)
 655                                 err = cmd.Run()
 656                                 if err != nil {
 657                                         return 1
 658                                 }
 659                         }
 660                         cmd = exec.Command("sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "validate-install")
 661                         cmd.Dir = "/var/lib/arvados/" + dstdir
 662                         cmd.Stdout = stdout
 663                         cmd.Stderr = stderr
 664                         err = cmd.Run()
 665                         if err != nil && !strings.Contains(err.Error(), "exit status 2") {
 666                                 // Exit code 2 indicates there were warnings (like
 667                                 // "other passenger installations have been detected",
 668                                 // which we can't expect to avoid) but no errors.
 669                                 // Other non-zero exit codes (1, 9) indicate errors.
 670                                 return 1
 671                         }
 672                 }
 673
 674                 // Install workbench2 app to /var/lib/arvados/workbench2/
 675                 if err = inst.runBash(`
 676 cd `+inst.SourcePath+`/services/workbench2
 677 VERSION="`+inst.PackageVersion+`" BUILD_NUMBER=1 GIT_COMMIT=000000000 yarn build
 678 rsync -a --delete-after build/ /var/lib/arvados/workbench2/
 679 `, stdout, stderr); err != nil {
 680                         return 1
 681                 }
 682
 683                 // Install arvados-cli gem (binaries go in
 684                 // /var/lib/arvados/bin)
 685                 if err = inst.runBash(`
 686 /var/lib/arvados/bin/gem install --conservative --no-document arvados-cli
 687 `, stdout, stderr); err != nil {
 688                         return 1
 689                 }
 690
 691                 err = os.WriteFile("/lib/systemd/system/arvados.service", arvadosServiceFile, 0777)
 692                 if err != nil {
 693                         return 1
 694                 }
 695                 if prod {
 696                         // (fpm will do this for us in the pkg case)
 697                         // This is equivalent to "systemd enable", but
 698                         // does not depend on the systemctl program
 699                         // being available:
 700                         symlink := "/etc/systemd/system/multi-user.target.wants/arvados.service"
 701                         err = os.Remove(symlink)
 702                         if err != nil && !errors.Is(err, os.ErrNotExist) {
 703                                 return 1
 704                         }
 705                         err = os.Symlink("/lib/systemd/system/arvados.service", symlink)
 706                         if err != nil {
 707                                 return 1
 708                         }
 709                 }
 710
 711                 // Add symlinks in /usr/bin for user-facing programs
 712                 for _, srcdst := range [][]string{
 713                         // go
 714                         {"bin/arvados-client"},
 715                         {"bin/arvados-client", "arv"},
 716                         {"bin/arvados-server"},
 717                         // sdk/cli
 718                         {"bin/arv", "arv-ruby"},
 719                         {"bin/arv-tag"},
 720                         // sdk/python
 721                         {"lib/python/bin/arv-copy"},
 722                         {"lib/python/bin/arv-federation-migrate"},
 723                         {"lib/python/bin/arv-get"},
 724                         {"lib/python/bin/arv-keepdocker"},
 725                         {"lib/python/bin/arv-ls"},
 726                         {"lib/python/bin/arv-migrate-docker19"},
 727                         {"lib/python/bin/arv-normalize"},
 728                         {"lib/python/bin/arv-put"},
 729                         {"lib/python/bin/arv-ws"},
 730                         // services/fuse
 731                         {"lib/python/bin/arv-mount"},
 732                 } {
 733                         src := "/var/lib/arvados/" + srcdst[0]
 734                         if _, err = os.Stat(src); err != nil {
 735                                 return 1
 736                         }
 737                         dst := srcdst[len(srcdst)-1]
 738                         _, dst = filepath.Split(dst)
 739                         dst = "/usr/bin/" + dst
 740                         err = os.Remove(dst)
 741                         if err != nil && !errors.Is(err, os.ErrNotExist) {
 742                                 return 1
 743                         }
 744                         err = os.Symlink(src, dst)
 745                         if err != nil {
 746                                 return 1
 747                         }
 748                 }
 749         }
 750
 751         return 0
 752 }
 753
 754 type osversion struct {
 755         Debian bool
 756         Ubuntu bool
 757         Centos bool
 758         Major  int
 759 }
 760
 761 func identifyOS() (osversion, error) {
 762         var osv osversion
 763         f, err := os.Open("/etc/os-release")
 764         if err != nil {
 765                 return osv, err
 766         }
 767         defer f.Close()
 768
 769         kv := map[string]string{}
 770         scanner := bufio.NewScanner(f)
 771         for scanner.Scan() {
 772                 line := strings.TrimSpace(scanner.Text())
 773                 if strings.HasPrefix(line, "#") {
 774                         continue
 775                 }
 776                 toks := strings.SplitN(line, "=", 2)
 777                 if len(toks) != 2 {
 778                         return osv, fmt.Errorf("invalid line in /etc/os-release: %q", line)
 779                 }
 780                 k := toks[0]
 781                 v := strings.Trim(toks[1], `"`)
 782                 if v == toks[1] {
 783                         v = strings.Trim(v, `'`)
 784                 }
 785                 kv[k] = v
 786         }
 787         if err = scanner.Err(); err != nil {
 788                 return osv, err
 789         }
 790         switch kv["ID"] {
 791         case "ubuntu":
 792                 osv.Ubuntu = true
 793         case "debian":
 794                 osv.Debian = true
 795         case "centos":
 796                 osv.Centos = true
 797         default:
 798                 return osv, fmt.Errorf("unsupported ID in /etc/os-release: %q", kv["ID"])
 799         }
 800         vstr := kv["VERSION_ID"]
 801         if i := strings.Index(vstr, "."); i > 0 {
 802                 vstr = vstr[:i]
 803         }
 804         osv.Major, err = strconv.Atoi(vstr)
 805         if err != nil {
 806                 return osv, fmt.Errorf("incomprehensible VERSION_ID in /etc/os-release: %q", kv["VERSION_ID"])
 807         }
 808         return osv, nil
 809 }
 810
 811 func waitPostgreSQLReady() error {
 812         for deadline := time.Now().Add(10 * time.Second); ; {
 813                 output, err := exec.Command("pg_isready").CombinedOutput()
 814                 if err == nil {
 815                         return nil
 816                 } else if time.Now().After(deadline) {
 817                         return fmt.Errorf("timed out waiting for pg_isready (%q)", output)
 818                 } else {
 819                         time.Sleep(time.Second)
 820                 }
 821         }
 822 }
 823
 824 func (inst *installCommand) runBash(script string, stdout, stderr io.Writer) error {
 825         cmd := exec.Command("bash", "-")
 826         if inst.EatMyData {
 827                 cmd = exec.Command("eatmydata", "bash", "-")
 828         }
 829         cmd.Stdin = bytes.NewBufferString("set -ex -o pipefail\n" + script)
 830         cmd.Stdout = stdout
 831         cmd.Stderr = stderr
 832         return cmd.Run()
 833 }
 834
 835 func prodpkgs(osv osversion) []string {
 836         pkgs := []string{
 837                 "ca-certificates",
 838                 "curl",
 839                 "fuse",
 840                 "git",
 841                 "gitolite3",
 842                 "graphviz",
 843                 "haveged",
 844                 "libcurl3-gnutls",
 845                 "libxslt1.1",
 846                 "nginx",
 847                 "python3",
 848                 "sudo",
 849         }
 850         if osv.Debian || osv.Ubuntu {
 851                 if osv.Debian && osv.Major == 8 {
 852                         pkgs = append(pkgs, "libgnutls-deb0-28") // sdk/cwl
 853                 } else if osv.Debian && osv.Major >= 10 || osv.Ubuntu && osv.Major >= 16 {
 854                         pkgs = append(pkgs, "python3-distutils") // sdk/cwl
 855                 }
 856                 return append(pkgs,
 857                         "mime-support", // keep-web
 858                 )
 859         } else if osv.Centos {
 860                 return append(pkgs,
 861                         "fuse-libs", // services/fuse
 862                         "mailcap",   // keep-web
 863                 )
 864         } else {
 865                 panic("os version not supported")
 866         }
 867 }
 868
 869 func ProductionDependencies() ([]string, error) {
 870         osv, err := identifyOS()
 871         if err != nil {
 872                 return nil, err
 873         }
 874         return prodpkgs(osv), nil
 875 }