lib/install/deps.go

   1 // Copyright (C) The Arvados Authors. All rights reserved.
   2 //
   3 // SPDX-License-Identifier: AGPL-3.0
   4
   5 package install
   6
   7 import (
   8         "bufio"
   9         "bytes"
  10         "context"
  11         _ "embed"
  12         "errors"
  13         "flag"
  14         "fmt"
  15         "io"
  16         "os"
  17         "os/exec"
  18         "os/user"
  19         "path/filepath"
  20         "strconv"
  21         "strings"
  22         "syscall"
  23         "time"
  24
  25         "git.arvados.org/arvados.git/lib/cmd"
  26         "git.arvados.org/arvados.git/sdk/go/ctxlog"
  27         "github.com/lib/pq"
  28 )
  29
  30 var Command cmd.Handler = &installCommand{}
  31
  32 const goversion = "1.17.7"
  33
  34 const (
  35         rubyversion             = "2.7.5"
  36         bundlerversion          = "2.2.19"
  37         singularityversion      = "3.9.9"
  38         pjsversion              = "1.9.8"
  39         geckoversion            = "0.24.0"
  40         gradleversion           = "5.3.1"
  41         nodejsversion           = "v12.22.11"
  42         devtestDatabasePassword = "insecure_arvados_test"
  43         workbench2version       = "5e020488f67b5bc919796e0dc8b0b9f3b3ff23b0"
  44 )
  45
  46 //go:embed arvados.service
  47 var arvadosServiceFile []byte
  48
  49 type installCommand struct {
  50         ClusterType    string
  51         SourcePath     string
  52         PackageVersion string
  53         EatMyData      bool
  54 }
  55
  56 func (inst *installCommand) RunCommand(prog string, args []string, stdin io.Reader, stdout, stderr io.Writer) int {
  57         logger := ctxlog.New(stderr, "text", "info")
  58         ctx := ctxlog.Context(context.Background(), logger)
  59         ctx, cancel := context.WithCancel(ctx)
  60         defer cancel()
  61
  62         var err error
  63         defer func() {
  64                 if err != nil {
  65                         logger.WithError(err).Info("exiting")
  66                 }
  67         }()
  68
  69         flags := flag.NewFlagSet(prog, flag.ContinueOnError)
  70         flags.SetOutput(stderr)
  71         versionFlag := flags.Bool("version", false, "Write version information to stdout and exit 0")
  72         flags.StringVar(&inst.ClusterType, "type", "production", "cluster `type`: development, test, production, or package")
  73         flags.StringVar(&inst.SourcePath, "source", "/arvados", "source tree location (required for -type=package)")
  74         flags.StringVar(&inst.PackageVersion, "package-version", "0.0.0", "version string to embed in executable files")
  75         flags.BoolVar(&inst.EatMyData, "eatmydata", false, "use eatmydata to speed up install")
  76
  77         if ok, code := cmd.ParseFlags(flags, prog, args, "", stderr); !ok {
  78                 return code
  79         } else if *versionFlag {
  80                 return cmd.Version.RunCommand(prog, args, stdin, stdout, stderr)
  81         }
  82
  83         var dev, test, prod, pkg bool
  84         switch inst.ClusterType {
  85         case "development":
  86                 dev = true
  87         case "test":
  88                 test = true
  89         case "production":
  90                 prod = true
  91         case "package":
  92                 pkg = true
  93         default:
  94                 err = fmt.Errorf("invalid cluster type %q (must be 'development', 'test', 'production', or 'package')", inst.ClusterType)
  95                 return 2
  96         }
  97
  98         if prod {
  99                 err = errors.New("production install is not yet implemented")
 100                 return 1
 101         }
 102
 103         osv, err := identifyOS()
 104         if err != nil {
 105                 return 1
 106         }
 107
 108         listdir, err := os.Open("/var/lib/apt/lists")
 109         if err != nil {
 110                 logger.Warnf("error while checking whether to run apt-get update: %s", err)
 111         } else if names, _ := listdir.Readdirnames(1); len(names) == 0 {
 112                 // Special case for a base docker image where the
 113                 // package cache has been deleted and all "apt-get
 114                 // install" commands will fail unless we fetch repos.
 115                 cmd := exec.CommandContext(ctx, "apt-get", "update")
 116                 cmd.Stdout = stdout
 117                 cmd.Stderr = stderr
 118                 err = cmd.Run()
 119                 if err != nil {
 120                         return 1
 121                 }
 122         }
 123
 124         if inst.EatMyData {
 125                 cmd := exec.CommandContext(ctx, "apt-get", "install", "--yes", "--no-install-recommends", "eatmydata")
 126                 cmd.Env = append(os.Environ(), "DEBIAN_FRONTEND=noninteractive")
 127                 cmd.Stdout = stdout
 128                 cmd.Stderr = stderr
 129                 err = cmd.Run()
 130                 if err != nil {
 131                         return 1
 132                 }
 133         }
 134
 135         pkgs := prodpkgs(osv)
 136
 137         if pkg {
 138                 pkgs = append(pkgs,
 139                         "dpkg-dev",
 140                         "eatmydata", // install it for later steps, even if we're not using it now
 141                 )
 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                         "libcrypt-ssleay-perl",
 158                         "libfuse-dev",
 159                         "libgnutls28-dev",
 160                         "libjson-perl",
 161                         "libpam-dev",
 162                         "libpcre3-dev",
 163                         "libpq-dev",
 164                         "libreadline-dev",
 165                         "libssl-dev",
 166                         "libwww-perl",
 167                         "libxml2-dev",
 168                         "libxslt1-dev",
 169                         "linkchecker",
 170                         "lsof",
 171                         "make",
 172                         "net-tools",
 173                         "pandoc",
 174                         "pkg-config",
 175                         "postgresql",
 176                         "postgresql-contrib",
 177                         "python3-dev",
 178                         "python3-venv",
 179                         "python3-virtualenv",
 180                         "r-base",
 181                         "r-cran-testthat",
 182                         "r-cran-devtools",
 183                         "r-cran-knitr",
 184                         "r-cran-markdown",
 185                         "r-cran-roxygen2",
 186                         "r-cran-xml",
 187                         "rsync",
 188                         "sudo",
 189                         "uuid-dev",
 190                         "wget",
 191                         "xvfb",
 192                 )
 193                 if test {
 194                         if osv.Debian && osv.Major <= 10 {
 195                                 pkgs = append(pkgs, "iceweasel")
 196                         } else {
 197                                 pkgs = append(pkgs, "firefox")
 198                         }
 199                 }
 200                 if dev || test {
 201                         pkgs = append(pkgs, "squashfs-tools") // for singularity
 202                 }
 203                 switch {
 204                 case osv.Debian && osv.Major >= 11:
 205                         pkgs = append(pkgs, "libcurl4", "perl-modules-5.32")
 206                 case osv.Debian && osv.Major >= 10:
 207                         pkgs = append(pkgs, "libcurl4", "perl-modules")
 208                 default:
 209                         pkgs = append(pkgs, "libcurl3", "perl-modules")
 210                 }
 211                 cmd := exec.CommandContext(ctx, "apt-get")
 212                 if inst.EatMyData {
 213                         cmd = exec.CommandContext(ctx, "eatmydata", "apt-get")
 214                 }
 215                 cmd.Args = append(cmd.Args, "install", "--yes", "--no-install-recommends")
 216                 cmd.Args = append(cmd.Args, pkgs...)
 217                 cmd.Env = append(os.Environ(), "DEBIAN_FRONTEND=noninteractive")
 218                 cmd.Stdout = stdout
 219                 cmd.Stderr = stderr
 220                 err = cmd.Run()
 221                 if err != nil {
 222                         return 1
 223                 }
 224         }
 225
 226         os.Mkdir("/var/lib/arvados", 0755)
 227         os.Mkdir("/var/lib/arvados/tmp", 0700)
 228         if prod || pkg {
 229                 u, er := user.Lookup("www-data")
 230                 if er != nil {
 231                         err = fmt.Errorf("user.Lookup(%q): %w", "www-data", er)
 232                         return 1
 233                 }
 234                 uid, _ := strconv.Atoi(u.Uid)
 235                 gid, _ := strconv.Atoi(u.Gid)
 236                 os.Mkdir("/var/lib/arvados/wwwtmp", 0700)
 237                 err = os.Chown("/var/lib/arvados/wwwtmp", uid, gid)
 238                 if err != nil {
 239                         return 1
 240                 }
 241         }
 242         rubymajorversion := rubyversion[:strings.LastIndex(rubyversion, ".")]
 243         if haverubyversion, err := exec.Command("/var/lib/arvados/bin/ruby", "-v").CombinedOutput(); err == nil && bytes.HasPrefix(haverubyversion, []byte("ruby "+rubyversion)) {
 244                 logger.Print("ruby " + rubyversion + " already installed")
 245         } else {
 246                 err = inst.runBash(`
 247 tmp="$(mktemp -d)"
 248 trap 'rm -r "${tmp}"' ERR EXIT
 249 wget --progress=dot:giga -O- https://cache.ruby-lang.org/pub/ruby/`+rubymajorversion+`/ruby-`+rubyversion+`.tar.gz | tar -C "${tmp}" -xzf -
 250 cd "${tmp}/ruby-`+rubyversion+`"
 251 ./configure --disable-install-static-library --enable-shared --disable-install-doc --prefix /var/lib/arvados
 252 make -j8
 253 make install
 254 /var/lib/arvados/bin/gem install bundler --no-document
 255 `, stdout, stderr)
 256                 if err != nil {
 257                         return 1
 258                 }
 259         }
 260
 261         if !prod {
 262                 if havegoversion, err := exec.Command("/usr/local/bin/go", "version").CombinedOutput(); err == nil && bytes.HasPrefix(havegoversion, []byte("go version go"+goversion+" ")) {
 263                         logger.Print("go " + goversion + " already installed")
 264                 } else {
 265                         err = inst.runBash(`
 266 cd /tmp
 267 rm -rf /var/lib/arvados/go/
 268 wget --progress=dot:giga -O- https://storage.googleapis.com/golang/go`+goversion+`.linux-amd64.tar.gz | tar -C /var/lib/arvados -xzf -
 269 ln -sfv /var/lib/arvados/go/bin/* /usr/local/bin/
 270 `, stdout, stderr)
 271                         if err != nil {
 272                                 return 1
 273                         }
 274                 }
 275         }
 276
 277         if !prod && !pkg {
 278                 if havepjsversion, err := exec.Command("/usr/local/bin/phantomjs", "--version").CombinedOutput(); err == nil && string(havepjsversion) == "1.9.8\n" {
 279                         logger.Print("phantomjs " + pjsversion + " already installed")
 280                 } else {
 281                         err = inst.runBash(`
 282 PJS=phantomjs-`+pjsversion+`-linux-x86_64
 283 wget --progress=dot:giga -O- https://cache.arvados.org/$PJS.tar.bz2 | tar -C /var/lib/arvados -xjf -
 284 ln -sfv /var/lib/arvados/$PJS/bin/phantomjs /usr/local/bin/
 285 `, stdout, stderr)
 286                         if err != nil {
 287                                 return 1
 288                         }
 289                 }
 290
 291                 if havegeckoversion, err := exec.Command("/usr/local/bin/geckodriver", "--version").CombinedOutput(); err == nil && strings.Contains(string(havegeckoversion), " "+geckoversion+" ") {
 292                         logger.Print("geckodriver " + geckoversion + " already installed")
 293                 } else {
 294                         err = inst.runBash(`
 295 GD=v`+geckoversion+`
 296 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
 297 ln -sfv /var/lib/arvados/bin/geckodriver /usr/local/bin/
 298 `, stdout, stderr)
 299                         if err != nil {
 300                                 return 1
 301                         }
 302                 }
 303
 304                 if havegradleversion, err := exec.Command("/usr/local/bin/gradle", "--version").CombinedOutput(); err == nil && strings.Contains(string(havegradleversion), "Gradle "+gradleversion+"\n") {
 305                         logger.Print("gradle " + gradleversion + " already installed")
 306                 } else {
 307                         err = inst.runBash(`
 308 G=`+gradleversion+`
 309 zip=/var/lib/arvados/tmp/gradle-${G}-bin.zip
 310 trap "rm ${zip}" ERR
 311 wget --progress=dot:giga -O${zip} https://services.gradle.org/distributions/gradle-${G}-bin.zip
 312 unzip -o -d /var/lib/arvados ${zip}
 313 ln -sfv /var/lib/arvados/gradle-${G}/bin/gradle /usr/local/bin/
 314 rm ${zip}
 315 `, stdout, stderr)
 316                         if err != nil {
 317                                 return 1
 318                         }
 319                 }
 320
 321                 if havesingularityversion, err := exec.Command("/var/lib/arvados/bin/singularity", "--version").CombinedOutput(); err == nil && strings.Contains(string(havesingularityversion), singularityversion) {
 322                         logger.Print("singularity " + singularityversion + " already installed")
 323                 } else if dev || test {
 324                         err = inst.runBash(`
 325 S=`+singularityversion+`
 326 tmp=/var/lib/arvados/tmp/singularity
 327 trap "rm -r ${tmp}" ERR EXIT
 328 cd /var/lib/arvados/tmp
 329 git clone https://github.com/sylabs/singularity
 330 cd singularity
 331 git checkout v${S}
 332 ./mconfig --prefix=/var/lib/arvados
 333 make -C ./builddir
 334 make -C ./builddir install
 335 `, stdout, stderr)
 336                         if err != nil {
 337                                 return 1
 338                         }
 339                 }
 340
 341                 err = inst.runBash(`
 342 install /usr/bin/nsenter /var/lib/arvados/bin/nsenter
 343 setcap "cap_sys_admin+pei cap_sys_chroot+pei" /var/lib/arvados/bin/nsenter
 344 singularity config global --set 'allow net networks' bridge
 345 singularity config global --set 'allow net groups' sudo
 346 `, stdout, stderr)
 347                 if err != nil {
 348                         return 1
 349                 }
 350
 351                 // The entry in /etc/locale.gen is "en_US.UTF-8"; once
 352                 // it's installed, locale -a reports it as
 353                 // "en_US.utf8".
 354                 wantlocale := "en_US.UTF-8"
 355                 if havelocales, err := exec.Command("locale", "-a").CombinedOutput(); err == nil && bytes.Contains(havelocales, []byte(strings.Replace(wantlocale+"\n", "UTF-", "utf", 1))) {
 356                         logger.Print("locale " + wantlocale + " already installed")
 357                 } else {
 358                         err = inst.runBash(`sed -i 's/^# *\(`+wantlocale+`\)/\1/' /etc/locale.gen && locale-gen`, stdout, stderr)
 359                         if err != nil {
 360                                 return 1
 361                         }
 362                 }
 363
 364                 var pgc struct {
 365                         Version       string
 366                         Cluster       string
 367                         Port          int
 368                         Status        string
 369                         Owner         string
 370                         DataDirectory string
 371                         LogFile       string
 372                 }
 373                 if pgLsclusters, err2 := exec.Command("pg_lsclusters", "--no-header").CombinedOutput(); err2 != nil {
 374                         err = fmt.Errorf("pg_lsclusters: %s", err2)
 375                         return 1
 376                 } else if pgclusters := strings.Split(strings.TrimSpace(string(pgLsclusters)), "\n"); len(pgclusters) != 1 {
 377                         logger.Warnf("pg_lsclusters returned %d postgresql clusters -- skipping postgresql initdb/startup, hope that's ok", len(pgclusters))
 378                 } 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 {
 379                         err = fmt.Errorf("error parsing pg_lsclusters output: %s", err)
 380                         return 1
 381                 } else if pgc.Status == "online" {
 382                         logger.Infof("postgresql cluster %s-%s is online", pgc.Version, pgc.Cluster)
 383                 } else {
 384                         logger.Infof("postgresql cluster %s-%s is %s; trying to start", pgc.Version, pgc.Cluster, pgc.Status)
 385                         cmd := exec.Command("pg_ctlcluster", "--foreground", pgc.Version, pgc.Cluster, "start")
 386                         cmd.Stdout = stdout
 387                         cmd.Stderr = stderr
 388                         err = cmd.Start()
 389                         if err != nil {
 390                                 return 1
 391                         }
 392                         defer func() {
 393                                 cmd.Process.Signal(syscall.SIGTERM)
 394                                 logger.Info("sent SIGTERM; waiting for postgres to shut down")
 395                                 cmd.Wait()
 396                         }()
 397                         err = waitPostgreSQLReady()
 398                         if err != nil {
 399                                 return 1
 400                         }
 401                 }
 402
 403                 if os.Getpid() == 1 {
 404                         // We are the init process (presumably in a
 405                         // docker container) so although postgresql is
 406                         // installed, it's not running, and initdb
 407                         // might never have been run.
 408                 }
 409
 410                 var needcoll []string
 411                 // If the en_US.UTF-8 locale wasn't installed when
 412                 // postgresql initdb ran, it needs to be added
 413                 // explicitly before we can use it in our test suite.
 414                 for _, collname := range []string{"en_US", "en_US.UTF-8"} {
 415                         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')")
 416                         cmd.Dir = "/"
 417                         out, err2 := cmd.CombinedOutput()
 418                         if err != nil {
 419                                 err = fmt.Errorf("error while checking postgresql collations: %s", err2)
 420                                 return 1
 421                         }
 422                         if strings.Contains(string(out), "1") {
 423                                 logger.Infof("postgresql supports collation %s", collname)
 424                         } else {
 425                                 needcoll = append(needcoll, collname)
 426                         }
 427                 }
 428                 if len(needcoll) > 0 && os.Getpid() != 1 {
 429                         // In order for the CREATE COLLATION statement
 430                         // below to work, the locale must have existed
 431                         // when PostgreSQL started up. If we're
 432                         // running as init, we must have started
 433                         // PostgreSQL ourselves after installing the
 434                         // locales. Otherwise, it might need a
 435                         // restart, so we attempt to restart it with
 436                         // systemd.
 437                         if err = inst.runBash(`sudo systemctl restart postgresql`, stdout, stderr); err != nil {
 438                                 logger.Warn("`systemctl restart postgresql` failed; hoping postgresql does not need to be restarted")
 439                         } else if err = waitPostgreSQLReady(); err != nil {
 440                                 return 1
 441                         }
 442                 }
 443                 for _, collname := range needcoll {
 444                         cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "CREATE COLLATION \""+collname+"\" (LOCALE = \"en_US.UTF-8\")")
 445                         cmd.Stdout = stdout
 446                         cmd.Stderr = stderr
 447                         cmd.Dir = "/"
 448                         err = cmd.Run()
 449                         if err != nil {
 450                                 err = fmt.Errorf("error adding postgresql collation %s: %s", collname, err)
 451                                 return 1
 452                         }
 453                 }
 454
 455                 withstuff := "WITH LOGIN SUPERUSER ENCRYPTED PASSWORD " + pq.QuoteLiteral(devtestDatabasePassword)
 456                 cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "ALTER ROLE arvados "+withstuff)
 457                 cmd.Dir = "/"
 458                 if err := cmd.Run(); err == nil {
 459                         logger.Print("arvados role exists; superuser privileges added, password updated")
 460                 } else {
 461                         cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "CREATE ROLE arvados "+withstuff)
 462                         cmd.Dir = "/"
 463                         cmd.Stdout = stdout
 464                         cmd.Stderr = stderr
 465                         err = cmd.Run()
 466                         if err != nil {
 467                                 return 1
 468                         }
 469                 }
 470         }
 471
 472         if !prod {
 473                 if havenodejsversion, err := exec.Command("/usr/local/bin/node", "--version").CombinedOutput(); err == nil && string(havenodejsversion) == nodejsversion+"\n" {
 474                         logger.Print("nodejs " + nodejsversion + " already installed")
 475                 } else {
 476                         err = inst.runBash(`
 477 NJS=`+nodejsversion+`
 478 wget --progress=dot:giga -O- https://nodejs.org/dist/${NJS}/node-${NJS}-linux-x64.tar.xz | sudo tar -C /var/lib/arvados -xJf -
 479 ln -sfv /var/lib/arvados/node-${NJS}-linux-x64/bin/{node,npm} /usr/local/bin/
 480 `, stdout, stderr)
 481                         if err != nil {
 482                                 return 1
 483                         }
 484                 }
 485
 486                 if haveyarnversion, err := exec.Command("/usr/local/bin/yarn", "--version").CombinedOutput(); err == nil && len(haveyarnversion) > 0 {
 487                         logger.Print("yarn " + strings.TrimSpace(string(haveyarnversion)) + " already installed")
 488                 } else {
 489                         err = inst.runBash(`
 490 npm install -g yarn
 491 ln -sfv /var/lib/arvados/node-`+nodejsversion+`-linux-x64/bin/{yarn,yarnpkg} /usr/local/bin/
 492 `, stdout, stderr)
 493                         if err != nil {
 494                                 return 1
 495                         }
 496                 }
 497
 498                 if havewb2version, err := exec.Command("git", "--git-dir=/var/lib/arvados/arvados-workbench2/.git", "log", "-n1", "--format=%H").CombinedOutput(); err == nil && string(havewb2version) == workbench2version+"\n" {
 499                         logger.Print("workbench2 repo is already at " + workbench2version)
 500                 } else {
 501                         err = inst.runBash(`
 502 V=`+workbench2version+`
 503 cd /var/lib/arvados
 504 if [[ ! -e arvados-workbench2 ]]; then
 505   git clone https://git.arvados.org/arvados-workbench2.git
 506   cd arvados-workbench2
 507   git checkout $V
 508 else
 509   cd arvados-workbench2
 510   if ! git checkout $V; then
 511     git fetch
 512     git checkout yarn.lock
 513     git checkout $V
 514   fi
 515 fi
 516 rm -rf build
 517 `, stdout, stderr)
 518                         if err != nil {
 519                                 return 1
 520                         }
 521                 }
 522
 523                 if err = inst.runBash(`
 524 cd /var/lib/arvados/arvados-workbench2
 525 yarn install
 526 `, stdout, stderr); err != nil {
 527                         return 1
 528                 }
 529         }
 530
 531         if prod || pkg {
 532                 // Install Go programs to /var/lib/arvados/bin/
 533                 for _, srcdir := range []string{
 534                         "cmd/arvados-client",
 535                         "cmd/arvados-server",
 536                         "services/crunch-dispatch-local",
 537                         "services/crunch-dispatch-slurm",
 538                         "services/health",
 539                         "services/keep-balance",
 540                         "services/keepstore",
 541                         "services/ws",
 542                 } {
 543                         fmt.Fprintf(stderr, "building %s...\n", srcdir)
 544                         cmd := exec.Command("go", "install", "-ldflags", "-X git.arvados.org/arvados.git/lib/cmd.version="+inst.PackageVersion+" -X main.version="+inst.PackageVersion+" -s -w")
 545                         cmd.Env = append(cmd.Env, os.Environ()...)
 546                         cmd.Env = append(cmd.Env, "GOBIN=/var/lib/arvados/bin")
 547                         cmd.Dir = filepath.Join(inst.SourcePath, srcdir)
 548                         cmd.Stdout = stdout
 549                         cmd.Stderr = stderr
 550                         err = cmd.Run()
 551                         if err != nil {
 552                                 return 1
 553                         }
 554                 }
 555
 556                 // Symlink user-facing Go programs /usr/bin/x ->
 557                 // /var/lib/arvados/bin/x
 558                 for _, prog := range []string{"arvados-client", "arvados-server"} {
 559                         err = os.Remove("/usr/bin/" + prog)
 560                         if err != nil && !errors.Is(err, os.ErrNotExist) {
 561                                 return 1
 562                         }
 563                         err = os.Symlink("/var/lib/arvados/bin/"+prog, "/usr/bin/"+prog)
 564                         if err != nil {
 565                                 return 1
 566                         }
 567                 }
 568
 569                 // Copy assets from source tree to /var/lib/arvados/share
 570                 cmd := exec.Command("install", "-v", "-t", "/var/lib/arvados/share", filepath.Join(inst.SourcePath, "sdk/python/tests/nginx.conf"))
 571                 cmd.Stdout = stdout
 572                 cmd.Stderr = stderr
 573                 err = cmd.Run()
 574                 if err != nil {
 575                         return 1
 576                 }
 577
 578                 // Install Rails apps to /var/lib/arvados/{railsapi,workbench1}/
 579                 for dstdir, srcdir := range map[string]string{
 580                         "railsapi":   "services/api",
 581                         "workbench1": "apps/workbench",
 582                 } {
 583                         fmt.Fprintf(stderr, "building %s...\n", srcdir)
 584                         cmd := exec.Command("rsync",
 585                                 "-a", "--no-owner", "--no-group", "--delete-after", "--delete-excluded",
 586                                 "--exclude", "/coverage",
 587                                 "--exclude", "/log",
 588                                 "--exclude", "/node_modules",
 589                                 "--exclude", "/tmp",
 590                                 "--exclude", "/public/assets",
 591                                 "--exclude", "/vendor",
 592                                 "--exclude", "/config/environments",
 593                                 "./", "/var/lib/arvados/"+dstdir+"/")
 594                         cmd.Dir = filepath.Join(inst.SourcePath, srcdir)
 595                         cmd.Stdout = stdout
 596                         cmd.Stderr = stderr
 597                         err = cmd.Run()
 598                         if err != nil {
 599                                 return 1
 600                         }
 601                         for _, cmdline := range [][]string{
 602                                 {"mkdir", "-p", "log", "public/assets", "tmp", "vendor", ".bundle", "/var/www/.bundle", "/var/www/.gem", "/var/www/.npm", "/var/www/.passenger"},
 603                                 {"touch", "log/production.log"},
 604                                 {"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"},
 605                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/gem", "install", "--user", "--conservative", "--no-document", "bundler:" + bundlerversion},
 606                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "install", "--deployment", "--jobs", "8", "--path", "/var/www/.gem", "--without", "development test diagnostics performance"},
 607
 608                                 {"chown", "www-data:www-data", ".", "public/assets"},
 609                                 // {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "config", "set", "--local", "system", "true"},
 610                                 {"sudo", "-u", "www-data", "ARVADOS_CONFIG=none", "RAILS_GROUPS=assets", "RAILS_ENV=production", "/var/lib/arvados/bin/bundle", "exec", "rake", "npm:install"},
 611                                 {"sudo", "-u", "www-data", "ARVADOS_CONFIG=none", "RAILS_GROUPS=assets", "RAILS_ENV=production", "/var/lib/arvados/bin/bundle", "exec", "rake", "assets:precompile"},
 612                                 {"chown", "root:root", "."},
 613                                 {"chown", "-R", "root:root", "public/assets", "vendor"},
 614
 615                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "build-native-support"},
 616                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "install-standalone-runtime"},
 617                         } {
 618                                 if cmdline[len(cmdline)-2] == "rake" && dstdir != "workbench1" {
 619                                         continue
 620                                 }
 621                                 cmd = exec.Command(cmdline[0], cmdline[1:]...)
 622                                 cmd.Dir = "/var/lib/arvados/" + dstdir
 623                                 cmd.Stdout = stdout
 624                                 cmd.Stderr = stderr
 625                                 fmt.Fprintf(stderr, "... %s\n", cmd.Args)
 626                                 err = cmd.Run()
 627                                 if err != nil {
 628                                         return 1
 629                                 }
 630                         }
 631                         cmd = exec.Command("sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "validate-install")
 632                         cmd.Dir = "/var/lib/arvados/" + dstdir
 633                         cmd.Stdout = stdout
 634                         cmd.Stderr = stderr
 635                         err = cmd.Run()
 636                         if err != nil && !strings.Contains(err.Error(), "exit status 2") {
 637                                 // Exit code 2 indicates there were warnings (like
 638                                 // "other passenger installations have been detected",
 639                                 // which we can't expect to avoid) but no errors.
 640                                 // Other non-zero exit codes (1, 9) indicate errors.
 641                                 return 1
 642                         }
 643                 }
 644
 645                 // Install workbench2 app to /var/lib/arvados/workbench2/
 646                 if err = inst.runBash(`
 647 cd /var/lib/arvados/arvados-workbench2
 648 VERSION="`+inst.PackageVersion+`" BUILD_NUMBER=1 GIT_COMMIT="`+workbench2version[:9]+`" yarn build
 649 rsync -a --delete-after build/ /var/lib/arvados/workbench2/
 650 `, stdout, stderr); err != nil {
 651                         return 1
 652                 }
 653
 654                 err = os.WriteFile("/lib/systemd/system/arvados.service", arvadosServiceFile, 0777)
 655                 if err != nil {
 656                         return 1
 657                 }
 658                 // This is equivalent to "systemd enable", but does
 659                 // not depend on the systemctl program being
 660                 // available.
 661                 symlink := "/etc/systemd/system/multi-user.target.wants/arvados.service"
 662                 err = os.Remove(symlink)
 663                 if err != nil && !errors.Is(err, os.ErrNotExist) {
 664                         return 1
 665                 }
 666                 err = os.Symlink("/lib/systemd/system/arvados.service", symlink)
 667                 if err != nil {
 668                         return 1
 669                 }
 670         }
 671
 672         return 0
 673 }
 674
 675 type osversion struct {
 676         Debian bool
 677         Ubuntu bool
 678         Centos bool
 679         Major  int
 680 }
 681
 682 func identifyOS() (osversion, error) {
 683         var osv osversion
 684         f, err := os.Open("/etc/os-release")
 685         if err != nil {
 686                 return osv, err
 687         }
 688         defer f.Close()
 689
 690         kv := map[string]string{}
 691         scanner := bufio.NewScanner(f)
 692         for scanner.Scan() {
 693                 line := strings.TrimSpace(scanner.Text())
 694                 if strings.HasPrefix(line, "#") {
 695                         continue
 696                 }
 697                 toks := strings.SplitN(line, "=", 2)
 698                 if len(toks) != 2 {
 699                         return osv, fmt.Errorf("invalid line in /etc/os-release: %q", line)
 700                 }
 701                 k := toks[0]
 702                 v := strings.Trim(toks[1], `"`)
 703                 if v == toks[1] {
 704                         v = strings.Trim(v, `'`)
 705                 }
 706                 kv[k] = v
 707         }
 708         if err = scanner.Err(); err != nil {
 709                 return osv, err
 710         }
 711         switch kv["ID"] {
 712         case "ubuntu":
 713                 osv.Ubuntu = true
 714         case "debian":
 715                 osv.Debian = true
 716         case "centos":
 717                 osv.Centos = true
 718         default:
 719                 return osv, fmt.Errorf("unsupported ID in /etc/os-release: %q", kv["ID"])
 720         }
 721         vstr := kv["VERSION_ID"]
 722         if i := strings.Index(vstr, "."); i > 0 {
 723                 vstr = vstr[:i]
 724         }
 725         osv.Major, err = strconv.Atoi(vstr)
 726         if err != nil {
 727                 return osv, fmt.Errorf("incomprehensible VERSION_ID in /etc/os-release: %q", kv["VERSION_ID"])
 728         }
 729         return osv, nil
 730 }
 731
 732 func waitPostgreSQLReady() error {
 733         for deadline := time.Now().Add(10 * time.Second); ; {
 734                 output, err := exec.Command("pg_isready").CombinedOutput()
 735                 if err == nil {
 736                         return nil
 737                 } else if time.Now().After(deadline) {
 738                         return fmt.Errorf("timed out waiting for pg_isready (%q)", output)
 739                 } else {
 740                         time.Sleep(time.Second)
 741                 }
 742         }
 743 }
 744
 745 func (inst *installCommand) runBash(script string, stdout, stderr io.Writer) error {
 746         cmd := exec.Command("bash", "-")
 747         if inst.EatMyData {
 748                 cmd = exec.Command("eatmydata", "bash", "-")
 749         }
 750         cmd.Stdin = bytes.NewBufferString("set -ex -o pipefail\n" + script)
 751         cmd.Stdout = stdout
 752         cmd.Stderr = stderr
 753         return cmd.Run()
 754 }
 755
 756 func prodpkgs(osv osversion) []string {
 757         pkgs := []string{
 758                 "ca-certificates",
 759                 "curl",
 760                 "fuse",
 761                 "git",
 762                 "gitolite3",
 763                 "graphviz",
 764                 "haveged",
 765                 "libcurl3-gnutls",
 766                 "libxslt1.1",
 767                 "nginx",
 768                 "python",
 769                 "sudo",
 770         }
 771         if osv.Debian || osv.Ubuntu {
 772                 if osv.Debian && osv.Major == 8 {
 773                         pkgs = append(pkgs, "libgnutls-deb0-28") // sdk/cwl
 774                 } else if osv.Debian && osv.Major >= 10 || osv.Ubuntu && osv.Major >= 16 {
 775                         pkgs = append(pkgs, "python3-distutils") // sdk/cwl
 776                 }
 777                 return append(pkgs,
 778                         "g++",
 779                         "libcurl4-openssl-dev", // services/api
 780                         "libpq-dev",
 781                         "libpython2.7", // services/fuse
 782                         "mime-support", // keep-web
 783                         "zlib1g-dev",   // services/api
 784                 )
 785         } else if osv.Centos {
 786                 return append(pkgs,
 787                         "fuse-libs", // services/fuse
 788                         "gcc",
 789                         "gcc-c++",
 790                         "libcurl-devel",    // services/api
 791                         "mailcap",          // keep-web
 792                         "postgresql-devel", // services/api
 793                 )
 794         } else {
 795                 panic("os version not supported")
 796         }
 797 }
 798
 799 func ProductionDependencies() ([]string, error) {
 800         osv, err := identifyOS()
 801         if err != nil {
 802                 return nil, err
 803         }
 804         return prodpkgs(osv), nil
 805 }