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