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         "errors"
  12         "flag"
  13         "fmt"
  14         "io"
  15         "os"
  16         "os/exec"
  17         "os/user"
  18         "path/filepath"
  19         "strconv"
  20         "strings"
  21         "syscall"
  22         "time"
  23
  24         "git.arvados.org/arvados.git/lib/cmd"
  25         "git.arvados.org/arvados.git/sdk/go/ctxlog"
  26         "github.com/lib/pq"
  27 )
  28
  29 var Command cmd.Handler = &installCommand{}
  30
  31 const devtestDatabasePassword = "insecure_arvados_test"
  32 const goversion = "1.17.1"
  33
  34 type installCommand struct {
  35         ClusterType    string
  36         SourcePath     string
  37         PackageVersion string
  38         EatMyData      bool
  39 }
  40
  41 func (inst *installCommand) RunCommand(prog string, args []string, stdin io.Reader, stdout, stderr io.Writer) int {
  42         logger := ctxlog.New(stderr, "text", "info")
  43         ctx := ctxlog.Context(context.Background(), logger)
  44         ctx, cancel := context.WithCancel(ctx)
  45         defer cancel()
  46
  47         var err error
  48         defer func() {
  49                 if err != nil {
  50                         logger.WithError(err).Info("exiting")
  51                 }
  52         }()
  53
  54         flags := flag.NewFlagSet(prog, flag.ContinueOnError)
  55         flags.SetOutput(stderr)
  56         versionFlag := flags.Bool("version", false, "Write version information to stdout and exit 0")
  57         flags.StringVar(&inst.ClusterType, "type", "production", "cluster `type`: development, test, production, or package")
  58         flags.StringVar(&inst.SourcePath, "source", "/arvados", "source tree location (required for -type=package)")
  59         flags.StringVar(&inst.PackageVersion, "package-version", "0.0.0", "version string to embed in executable files")
  60         flags.BoolVar(&inst.EatMyData, "eatmydata", false, "use eatmydata to speed up install")
  61         err = flags.Parse(args)
  62         if err == flag.ErrHelp {
  63                 err = nil
  64                 return 0
  65         } else if err != nil {
  66                 return 2
  67         } else if *versionFlag {
  68                 return cmd.Version.RunCommand(prog, args, stdin, stdout, stderr)
  69         } else if len(flags.Args()) > 0 {
  70                 err = fmt.Errorf("unrecognized command line arguments: %v", flags.Args())
  71                 return 2
  72         }
  73
  74         var dev, test, prod, pkg bool
  75         switch inst.ClusterType {
  76         case "development":
  77                 dev = true
  78         case "test":
  79                 test = true
  80         case "production":
  81                 prod = true
  82         case "package":
  83                 pkg = true
  84         default:
  85                 err = fmt.Errorf("invalid cluster type %q (must be 'development', 'test', 'production', or 'package')", inst.ClusterType)
  86                 return 2
  87         }
  88
  89         if prod {
  90                 err = errors.New("production install is not yet implemented")
  91                 return 1
  92         }
  93
  94         osv, err := identifyOS()
  95         if err != nil {
  96                 return 1
  97         }
  98
  99         listdir, err := os.Open("/var/lib/apt/lists")
 100         if err != nil {
 101                 logger.Warnf("error while checking whether to run apt-get update: %s", err)
 102         } else if names, _ := listdir.Readdirnames(1); len(names) == 0 {
 103                 // Special case for a base docker image where the
 104                 // package cache has been deleted and all "apt-get
 105                 // install" commands will fail unless we fetch repos.
 106                 cmd := exec.CommandContext(ctx, "apt-get", "update")
 107                 cmd.Stdout = stdout
 108                 cmd.Stderr = stderr
 109                 err = cmd.Run()
 110                 if err != nil {
 111                         return 1
 112                 }
 113         }
 114
 115         if inst.EatMyData {
 116                 cmd := exec.CommandContext(ctx, "apt-get", "install", "--yes", "--no-install-recommends", "eatmydata")
 117                 cmd.Env = append(os.Environ(), "DEBIAN_FRONTEND=noninteractive")
 118                 cmd.Stdout = stdout
 119                 cmd.Stderr = stderr
 120                 err = cmd.Run()
 121                 if err != nil {
 122                         return 1
 123                 }
 124         }
 125
 126         pkgs := prodpkgs(osv)
 127
 128         if pkg {
 129                 pkgs = append(pkgs,
 130                         "dpkg-dev",
 131                         "eatmydata", // install it for later steps, even if we're not using it now
 132                         "rsync",
 133                 )
 134         }
 135
 136         if dev || test || pkg {
 137                 pkgs = append(pkgs,
 138                         "automake",
 139                         "bison",
 140                         "bsdmainutils",
 141                         "build-essential",
 142                         "cadaver",
 143                         "curl",
 144                         "cython3",
 145                         "default-jdk-headless",
 146                         "default-jre-headless",
 147                         "gettext",
 148                         "iceweasel",
 149                         "libattr1-dev",
 150                         "libcrypt-ssleay-perl",
 151                         "libfuse-dev",
 152                         "libgnutls28-dev",
 153                         "libjson-perl",
 154                         "libpam-dev",
 155                         "libpcre3-dev",
 156                         "libpq-dev",
 157                         "libreadline-dev",
 158                         "libssl-dev",
 159                         "libwww-perl",
 160                         "libxml2-dev",
 161                         "libxslt1-dev",
 162                         "linkchecker",
 163                         "lsof",
 164                         "make",
 165                         "net-tools",
 166                         "pandoc",
 167                         "perl-modules",
 168                         "pkg-config",
 169                         "postgresql",
 170                         "postgresql-contrib",
 171                         "python3-dev",
 172                         "python3-venv",
 173                         "python3-virtualenv",
 174                         "r-base",
 175                         "r-cran-testthat",
 176                         "r-cran-devtools",
 177                         "r-cran-knitr",
 178                         "r-cran-markdown",
 179                         "r-cran-roxygen2",
 180                         "r-cran-xml",
 181                         "sudo",
 182                         "uuid-dev",
 183                         "wget",
 184                         "xvfb",
 185                 )
 186                 if dev || test {
 187                         pkgs = append(pkgs,
 188                                 "squashfs-tools", // for singularity
 189                         )
 190                 }
 191                 switch {
 192                 case osv.Debian && osv.Major >= 10:
 193                         pkgs = append(pkgs, "libcurl4")
 194                 default:
 195                         pkgs = append(pkgs, "libcurl3")
 196                 }
 197                 cmd := exec.CommandContext(ctx, "apt-get")
 198                 if inst.EatMyData {
 199                         cmd = exec.CommandContext(ctx, "eatmydata", "apt-get")
 200                 }
 201                 cmd.Args = append(cmd.Args, "install", "--yes", "--no-install-recommends")
 202                 cmd.Args = append(cmd.Args, pkgs...)
 203                 cmd.Env = append(os.Environ(), "DEBIAN_FRONTEND=noninteractive")
 204                 cmd.Stdout = stdout
 205                 cmd.Stderr = stderr
 206                 err = cmd.Run()
 207                 if err != nil {
 208                         return 1
 209                 }
 210         }
 211
 212         os.Mkdir("/var/lib/arvados", 0755)
 213         os.Mkdir("/var/lib/arvados/tmp", 0700)
 214         if prod || pkg {
 215                 os.Mkdir("/var/lib/arvados/wwwtmp", 0700)
 216                 u, er := user.Lookup("www-data")
 217                 if er != nil {
 218                         err = fmt.Errorf("user.Lookup(%q): %w", "www-data", er)
 219                         return 1
 220                 }
 221                 uid, _ := strconv.Atoi(u.Uid)
 222                 gid, _ := strconv.Atoi(u.Gid)
 223                 err = os.Chown("/var/lib/arvados/wwwtmp", uid, gid)
 224                 if err != nil {
 225                         return 1
 226                 }
 227         }
 228         rubyversion := "2.7.2"
 229         rubymajorversion := rubyversion[:strings.LastIndex(rubyversion, ".")]
 230         if haverubyversion, err := exec.Command("/var/lib/arvados/bin/ruby", "-v").CombinedOutput(); err == nil && bytes.HasPrefix(haverubyversion, []byte("ruby "+rubyversion)) {
 231                 logger.Print("ruby " + rubyversion + " already installed")
 232         } else {
 233                 err = inst.runBash(`
 234 tmp="$(mktemp -d)"
 235 trap 'rm -r "${tmp}"' ERR EXIT
 236 wget --progress=dot:giga -O- https://cache.ruby-lang.org/pub/ruby/`+rubymajorversion+`/ruby-`+rubyversion+`.tar.gz | tar -C "${tmp}" -xzf -
 237 cd "${tmp}/ruby-`+rubyversion+`"
 238 ./configure --disable-install-static-library --enable-shared --disable-install-doc --prefix /var/lib/arvados
 239 make -j8
 240 make install
 241 /var/lib/arvados/bin/gem install bundler --no-document
 242 `, stdout, stderr)
 243                 if err != nil {
 244                         return 1
 245                 }
 246         }
 247
 248         if !prod {
 249                 if havegoversion, err := exec.Command("/usr/local/bin/go", "version").CombinedOutput(); err == nil && bytes.HasPrefix(havegoversion, []byte("go version go"+goversion+" ")) {
 250                         logger.Print("go " + goversion + " already installed")
 251                 } else {
 252                         err = inst.runBash(`
 253 cd /tmp
 254 rm -rf /var/lib/arvados/go/
 255 wget --progress=dot:giga -O- https://storage.googleapis.com/golang/go`+goversion+`.linux-amd64.tar.gz | tar -C /var/lib/arvados -xzf -
 256 ln -sf /var/lib/arvados/go/bin/* /usr/local/bin/
 257 `, stdout, stderr)
 258                         if err != nil {
 259                                 return 1
 260                         }
 261                 }
 262         }
 263
 264         if !prod && !pkg {
 265                 pjsversion := "1.9.8"
 266                 if havepjsversion, err := exec.Command("/usr/local/bin/phantomjs", "--version").CombinedOutput(); err == nil && string(havepjsversion) == "1.9.8\n" {
 267                         logger.Print("phantomjs " + pjsversion + " already installed")
 268                 } else {
 269                         err = inst.runBash(`
 270 PJS=phantomjs-`+pjsversion+`-linux-x86_64
 271 wget --progress=dot:giga -O- https://bitbucket.org/ariya/phantomjs/downloads/$PJS.tar.bz2 | tar -C /var/lib/arvados -xjf -
 272 ln -sf /var/lib/arvados/$PJS/bin/phantomjs /usr/local/bin/
 273 `, stdout, stderr)
 274                         if err != nil {
 275                                 return 1
 276                         }
 277                 }
 278
 279                 geckoversion := "0.24.0"
 280                 if havegeckoversion, err := exec.Command("/usr/local/bin/geckodriver", "--version").CombinedOutput(); err == nil && strings.Contains(string(havegeckoversion), " "+geckoversion+" ") {
 281                         logger.Print("geckodriver " + geckoversion + " already installed")
 282                 } else {
 283                         err = inst.runBash(`
 284 GD=v`+geckoversion+`
 285 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
 286 ln -sf /var/lib/arvados/bin/geckodriver /usr/local/bin/
 287 `, stdout, stderr)
 288                         if err != nil {
 289                                 return 1
 290                         }
 291                 }
 292
 293                 nodejsversion := "v12.22.2"
 294                 if havenodejsversion, err := exec.Command("/usr/local/bin/node", "--version").CombinedOutput(); err == nil && string(havenodejsversion) == nodejsversion+"\n" {
 295                         logger.Print("nodejs " + nodejsversion + " already installed")
 296                 } else {
 297                         err = inst.runBash(`
 298 NJS=`+nodejsversion+`
 299 wget --progress=dot:giga -O- https://nodejs.org/dist/${NJS}/node-${NJS}-linux-x64.tar.xz | sudo tar -C /var/lib/arvados -xJf -
 300 ln -sf /var/lib/arvados/node-${NJS}-linux-x64/bin/{node,npm} /usr/local/bin/
 301 `, stdout, stderr)
 302                         if err != nil {
 303                                 return 1
 304                         }
 305                 }
 306
 307                 gradleversion := "5.3.1"
 308                 if havegradleversion, err := exec.Command("/usr/local/bin/gradle", "--version").CombinedOutput(); err == nil && strings.Contains(string(havegradleversion), "Gradle "+gradleversion+"\n") {
 309                         logger.Print("gradle " + gradleversion + " already installed")
 310                 } else {
 311                         err = inst.runBash(`
 312 G=`+gradleversion+`
 313 zip=/var/lib/arvados/tmp/gradle-${G}-bin.zip
 314 trap "rm ${zip}" ERR
 315 wget --progress=dot:giga -O${zip} https://services.gradle.org/distributions/gradle-${G}-bin.zip
 316 unzip -o -d /var/lib/arvados ${zip}
 317 ln -sf /var/lib/arvados/gradle-${G}/bin/gradle /usr/local/bin/
 318 rm ${zip}
 319 `, stdout, stderr)
 320                         if err != nil {
 321                                 return 1
 322                         }
 323                 }
 324
 325                 singularityversion := "3.7.4"
 326                 if havesingularityversion, err := exec.Command("/var/lib/arvados/bin/singularity", "--version").CombinedOutput(); err == nil && strings.Contains(string(havesingularityversion), singularityversion) {
 327                         logger.Print("singularity " + singularityversion + " already installed")
 328                 } else if dev || test {
 329                         err = inst.runBash(`
 330 S=`+singularityversion+`
 331 tmp=/var/lib/arvados/tmp/singularity
 332 trap "rm -r ${tmp}" ERR EXIT
 333 cd /var/lib/arvados/tmp
 334 git clone https://github.com/sylabs/singularity
 335 cd singularity
 336 git checkout v${S}
 337 ./mconfig --prefix=/var/lib/arvados
 338 make -C ./builddir
 339 make -C ./builddir install
 340 `, stdout, stderr)
 341                         if err != nil {
 342                                 return 1
 343                         }
 344                 }
 345
 346                 // The entry in /etc/locale.gen is "en_US.UTF-8"; once
 347                 // it's installed, locale -a reports it as
 348                 // "en_US.utf8".
 349                 wantlocale := "en_US.UTF-8"
 350                 if havelocales, err := exec.Command("locale", "-a").CombinedOutput(); err == nil && bytes.Contains(havelocales, []byte(strings.Replace(wantlocale+"\n", "UTF-", "utf", 1))) {
 351                         logger.Print("locale " + wantlocale + " already installed")
 352                 } else {
 353                         err = inst.runBash(`sed -i 's/^# *\(`+wantlocale+`\)/\1/' /etc/locale.gen && locale-gen`, stdout, stderr)
 354                         if err != nil {
 355                                 return 1
 356                         }
 357                 }
 358
 359                 var pgc struct {
 360                         Version       string
 361                         Cluster       string
 362                         Port          int
 363                         Status        string
 364                         Owner         string
 365                         DataDirectory string
 366                         LogFile       string
 367                 }
 368                 if pgLsclusters, err2 := exec.Command("pg_lsclusters", "--no-header").CombinedOutput(); err2 != nil {
 369                         err = fmt.Errorf("pg_lsclusters: %s", err2)
 370                         return 1
 371                 } else if pgclusters := strings.Split(strings.TrimSpace(string(pgLsclusters)), "\n"); len(pgclusters) != 1 {
 372                         logger.Warnf("pg_lsclusters returned %d postgresql clusters -- skipping postgresql initdb/startup, hope that's ok", len(pgclusters))
 373                 } 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 {
 374                         err = fmt.Errorf("error parsing pg_lsclusters output: %s", err)
 375                         return 1
 376                 } else if pgc.Status == "online" {
 377                         logger.Infof("postgresql cluster %s-%s is online", pgc.Version, pgc.Cluster)
 378                 } else {
 379                         logger.Infof("postgresql cluster %s-%s is %s; trying to start", pgc.Version, pgc.Cluster, pgc.Status)
 380                         cmd := exec.Command("pg_ctlcluster", "--foreground", pgc.Version, pgc.Cluster, "start")
 381                         cmd.Stdout = stdout
 382                         cmd.Stderr = stderr
 383                         err = cmd.Start()
 384                         if err != nil {
 385                                 return 1
 386                         }
 387                         defer func() {
 388                                 cmd.Process.Signal(syscall.SIGTERM)
 389                                 logger.Info("sent SIGTERM; waiting for postgres to shut down")
 390                                 cmd.Wait()
 391                         }()
 392                         err = waitPostgreSQLReady()
 393                         if err != nil {
 394                                 return 1
 395                         }
 396                 }
 397
 398                 if os.Getpid() == 1 {
 399                         // We are the init process (presumably in a
 400                         // docker container) so although postgresql is
 401                         // installed, it's not running, and initdb
 402                         // might never have been run.
 403                 }
 404
 405                 var needcoll []string
 406                 // If the en_US.UTF-8 locale wasn't installed when
 407                 // postgresql initdb ran, it needs to be added
 408                 // explicitly before we can use it in our test suite.
 409                 for _, collname := range []string{"en_US", "en_US.UTF-8"} {
 410                         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')")
 411                         cmd.Dir = "/"
 412                         out, err2 := cmd.CombinedOutput()
 413                         if err != nil {
 414                                 err = fmt.Errorf("error while checking postgresql collations: %s", err2)
 415                                 return 1
 416                         }
 417                         if strings.Contains(string(out), "1") {
 418                                 logger.Infof("postgresql supports collation %s", collname)
 419                         } else {
 420                                 needcoll = append(needcoll, collname)
 421                         }
 422                 }
 423                 if len(needcoll) > 0 && os.Getpid() != 1 {
 424                         // In order for the CREATE COLLATION statement
 425                         // below to work, the locale must have existed
 426                         // when PostgreSQL started up. If we're
 427                         // running as init, we must have started
 428                         // PostgreSQL ourselves after installing the
 429                         // locales. Otherwise, it might need a
 430                         // restart, so we attempt to restart it with
 431                         // systemd.
 432                         if err = inst.runBash(`sudo systemctl restart postgresql`, stdout, stderr); err != nil {
 433                                 logger.Warn("`systemctl restart postgresql` failed; hoping postgresql does not need to be restarted")
 434                         } else if err = waitPostgreSQLReady(); err != nil {
 435                                 return 1
 436                         }
 437                 }
 438                 for _, collname := range needcoll {
 439                         cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "CREATE COLLATION \""+collname+"\" (LOCALE = \"en_US.UTF-8\")")
 440                         cmd.Stdout = stdout
 441                         cmd.Stderr = stderr
 442                         cmd.Dir = "/"
 443                         err = cmd.Run()
 444                         if err != nil {
 445                                 err = fmt.Errorf("error adding postgresql collation %s: %s", collname, err)
 446                                 return 1
 447                         }
 448                 }
 449
 450                 withstuff := "WITH LOGIN SUPERUSER ENCRYPTED PASSWORD " + pq.QuoteLiteral(devtestDatabasePassword)
 451                 cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "ALTER ROLE arvados "+withstuff)
 452                 cmd.Dir = "/"
 453                 if err := cmd.Run(); err == nil {
 454                         logger.Print("arvados role exists; superuser privileges added, password updated")
 455                 } else {
 456                         cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "CREATE ROLE arvados "+withstuff)
 457                         cmd.Dir = "/"
 458                         cmd.Stdout = stdout
 459                         cmd.Stderr = stderr
 460                         err = cmd.Run()
 461                         if err != nil {
 462                                 return 1
 463                         }
 464                 }
 465         }
 466
 467         if prod || pkg {
 468                 // Install Rails apps to /var/lib/arvados/{railsapi,workbench1}/
 469                 for dstdir, srcdir := range map[string]string{
 470                         "railsapi":   "services/api",
 471                         "workbench1": "apps/workbench",
 472                 } {
 473                         fmt.Fprintf(stderr, "building %s...\n", srcdir)
 474                         cmd := exec.Command("rsync",
 475                                 "-a", "--no-owner", "--no-group", "--delete-after", "--delete-excluded",
 476                                 "--exclude", "/coverage",
 477                                 "--exclude", "/log",
 478                                 "--exclude", "/tmp",
 479                                 "--exclude", "/vendor",
 480                                 "--exclude", "/config/environments",
 481                                 "./", "/var/lib/arvados/"+dstdir+"/")
 482                         cmd.Dir = filepath.Join(inst.SourcePath, srcdir)
 483                         cmd.Stdout = stdout
 484                         cmd.Stderr = stderr
 485                         err = cmd.Run()
 486                         if err != nil {
 487                                 return 1
 488                         }
 489                         for _, cmdline := range [][]string{
 490                                 {"mkdir", "-p", "log", "tmp", ".bundle", "/var/www/.gem", "/var/www/.bundle", "/var/www/.passenger"},
 491                                 {"touch", "log/production.log"},
 492                                 {"chown", "-R", "--from=root", "www-data:www-data", "/var/www/.gem", "/var/www/.bundle", "/var/www/.passenger", "log", "tmp", ".bundle", "Gemfile.lock", "config.ru", "config/environment.rb"},
 493                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/gem", "install", "--user", "--conservative", "--no-document", "bundler:2.2.19"},
 494                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "install", "--deployment", "--jobs", "8", "--path", "/var/www/.gem"},
 495                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "build-native-support"},
 496                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "install-standalone-runtime"},
 497                         } {
 498                                 cmd = exec.Command(cmdline[0], cmdline[1:]...)
 499                                 cmd.Dir = "/var/lib/arvados/" + dstdir
 500                                 cmd.Stdout = stdout
 501                                 cmd.Stderr = stderr
 502                                 fmt.Fprintf(stderr, "... %s\n", cmd.Args)
 503                                 err = cmd.Run()
 504                                 if err != nil {
 505                                         return 1
 506                                 }
 507                         }
 508                         cmd = exec.Command("sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "validate-install")
 509                         cmd.Dir = "/var/lib/arvados/" + dstdir
 510                         cmd.Stdout = stdout
 511                         cmd.Stderr = stderr
 512                         err = cmd.Run()
 513                         if err != nil && !strings.Contains(err.Error(), "exit status 2") {
 514                                 // Exit code 2 indicates there were warnings (like
 515                                 // "other passenger installations have been detected",
 516                                 // which we can't expect to avoid) but no errors.
 517                                 // Other non-zero exit codes (1, 9) indicate errors.
 518                                 return 1
 519                         }
 520                 }
 521
 522                 // Install Go programs to /var/lib/arvados/bin/
 523                 for _, srcdir := range []string{
 524                         "cmd/arvados-client",
 525                         "cmd/arvados-server",
 526                         "services/arv-git-httpd",
 527                         "services/crunch-dispatch-local",
 528                         "services/crunch-dispatch-slurm",
 529                         "services/health",
 530                         "services/keep-balance",
 531                         "services/keep-web",
 532                         "services/keepproxy",
 533                         "services/keepstore",
 534                         "services/ws",
 535                 } {
 536                         fmt.Fprintf(stderr, "building %s...\n", srcdir)
 537                         cmd := exec.Command("go", "install", "-ldflags", "-X git.arvados.org/arvados.git/lib/cmd.version="+inst.PackageVersion+" -X main.version="+inst.PackageVersion)
 538                         cmd.Env = append(cmd.Env, os.Environ()...)
 539                         cmd.Env = append(cmd.Env, "GOBIN=/var/lib/arvados/bin")
 540                         cmd.Dir = filepath.Join(inst.SourcePath, srcdir)
 541                         cmd.Stdout = stdout
 542                         cmd.Stderr = stderr
 543                         err = cmd.Run()
 544                         if err != nil {
 545                                 return 1
 546                         }
 547                 }
 548
 549                 // Copy assets from source tree to /var/lib/arvados/share
 550                 cmd := exec.Command("install", "-v", "-t", "/var/lib/arvados/share", filepath.Join(inst.SourcePath, "sdk/python/tests/nginx.conf"))
 551                 cmd.Stdout = stdout
 552                 cmd.Stderr = stderr
 553                 err = cmd.Run()
 554                 if err != nil {
 555                         return 1
 556                 }
 557         }
 558
 559         return 0
 560 }
 561
 562 type osversion struct {
 563         Debian bool
 564         Ubuntu bool
 565         Centos bool
 566         Major  int
 567 }
 568
 569 func identifyOS() (osversion, error) {
 570         var osv osversion
 571         f, err := os.Open("/etc/os-release")
 572         if err != nil {
 573                 return osv, err
 574         }
 575         defer f.Close()
 576
 577         kv := map[string]string{}
 578         scanner := bufio.NewScanner(f)
 579         for scanner.Scan() {
 580                 line := strings.TrimSpace(scanner.Text())
 581                 if strings.HasPrefix(line, "#") {
 582                         continue
 583                 }
 584                 toks := strings.SplitN(line, "=", 2)
 585                 if len(toks) != 2 {
 586                         return osv, fmt.Errorf("invalid line in /etc/os-release: %q", line)
 587                 }
 588                 k := toks[0]
 589                 v := strings.Trim(toks[1], `"`)
 590                 if v == toks[1] {
 591                         v = strings.Trim(v, `'`)
 592                 }
 593                 kv[k] = v
 594         }
 595         if err = scanner.Err(); err != nil {
 596                 return osv, err
 597         }
 598         switch kv["ID"] {
 599         case "ubuntu":
 600                 osv.Ubuntu = true
 601         case "debian":
 602                 osv.Debian = true
 603         case "centos":
 604                 osv.Centos = true
 605         default:
 606                 return osv, fmt.Errorf("unsupported ID in /etc/os-release: %q", kv["ID"])
 607         }
 608         vstr := kv["VERSION_ID"]
 609         if i := strings.Index(vstr, "."); i > 0 {
 610                 vstr = vstr[:i]
 611         }
 612         osv.Major, err = strconv.Atoi(vstr)
 613         if err != nil {
 614                 return osv, fmt.Errorf("incomprehensible VERSION_ID in /etc/os-release: %q", kv["VERSION_ID"])
 615         }
 616         return osv, nil
 617 }
 618
 619 func waitPostgreSQLReady() error {
 620         for deadline := time.Now().Add(10 * time.Second); ; {
 621                 output, err := exec.Command("pg_isready").CombinedOutput()
 622                 if err == nil {
 623                         return nil
 624                 } else if time.Now().After(deadline) {
 625                         return fmt.Errorf("timed out waiting for pg_isready (%q)", output)
 626                 } else {
 627                         time.Sleep(time.Second)
 628                 }
 629         }
 630 }
 631
 632 func (inst *installCommand) runBash(script string, stdout, stderr io.Writer) error {
 633         cmd := exec.Command("bash", "-")
 634         if inst.EatMyData {
 635                 cmd = exec.Command("eatmydata", "bash", "-")
 636         }
 637         cmd.Stdin = bytes.NewBufferString("set -ex -o pipefail\n" + script)
 638         cmd.Stdout = stdout
 639         cmd.Stderr = stderr
 640         return cmd.Run()
 641 }
 642
 643 func prodpkgs(osv osversion) []string {
 644         pkgs := []string{
 645                 "ca-certificates",
 646                 "curl",
 647                 "fuse",
 648                 "git",
 649                 "gitolite3",
 650                 "graphviz",
 651                 "haveged",
 652                 "libcurl3-gnutls",
 653                 "libxslt1.1",
 654                 "nginx",
 655                 "python",
 656                 "sudo",
 657         }
 658         if osv.Debian || osv.Ubuntu {
 659                 if osv.Debian && osv.Major == 8 {
 660                         pkgs = append(pkgs, "libgnutls-deb0-28") // sdk/cwl
 661                 } else if osv.Debian && osv.Major >= 10 || osv.Ubuntu && osv.Major >= 16 {
 662                         pkgs = append(pkgs, "python3-distutils") // sdk/cwl
 663                 }
 664                 return append(pkgs,
 665                         "g++",
 666                         "libcurl4-openssl-dev", // services/api
 667                         "libpq-dev",
 668                         "libpython2.7", // services/fuse
 669                         "mime-support", // keep-web
 670                         "zlib1g-dev",   // services/api
 671                 )
 672         } else if osv.Centos {
 673                 return append(pkgs,
 674                         "fuse-libs", // services/fuse
 675                         "gcc",
 676                         "gcc-c++",
 677                         "libcurl-devel",    // services/api
 678                         "mailcap",          // keep-web
 679                         "postgresql-devel", // services/api
 680                 )
 681         } else {
 682                 panic("os version not supported")
 683         }
 684 }
 685
 686 func ProductionDependencies() ([]string, error) {
 687         osv, err := identifyOS()
 688         if err != nil {
 689                 return nil, err
 690         }
 691         return prodpkgs(osv), nil
 692 }