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         "path/filepath"
  18         "strconv"
  19         "strings"
  20         "syscall"
  21         "time"
  22
  23         "git.arvados.org/arvados.git/lib/cmd"
  24         "git.arvados.org/arvados.git/sdk/go/ctxlog"
  25         "github.com/lib/pq"
  26 )
  27
  28 var Command cmd.Handler = &installCommand{}
  29
  30 const devtestDatabasePassword = "insecure_arvados_test"
  31
  32 type installCommand struct {
  33         ClusterType    string
  34         SourcePath     string
  35         PackageVersion string
  36 }
  37
  38 func (inst *installCommand) RunCommand(prog string, args []string, stdin io.Reader, stdout, stderr io.Writer) int {
  39         logger := ctxlog.New(stderr, "text", "info")
  40         ctx := ctxlog.Context(context.Background(), logger)
  41         ctx, cancel := context.WithCancel(ctx)
  42         defer cancel()
  43
  44         var err error
  45         defer func() {
  46                 if err != nil {
  47                         logger.WithError(err).Info("exiting")
  48                 }
  49         }()
  50
  51         flags := flag.NewFlagSet(prog, flag.ContinueOnError)
  52         flags.SetOutput(stderr)
  53         versionFlag := flags.Bool("version", false, "Write version information to stdout and exit 0")
  54         flags.StringVar(&inst.ClusterType, "type", "production", "cluster `type`: development, test, production, or package")
  55         flags.StringVar(&inst.SourcePath, "source", "/arvados", "source tree location (required for -type=package)")
  56         flags.StringVar(&inst.PackageVersion, "package-version", "0.0.0", "version string to embed in executable files")
  57         err = flags.Parse(args)
  58         if err == flag.ErrHelp {
  59                 err = nil
  60                 return 0
  61         } else if err != nil {
  62                 return 2
  63         } else if *versionFlag {
  64                 return cmd.Version.RunCommand(prog, args, stdin, stdout, stderr)
  65         } else if len(flags.Args()) > 0 {
  66                 err = fmt.Errorf("unrecognized command line arguments: %v", flags.Args())
  67                 return 2
  68         }
  69
  70         var dev, test, prod, pkg bool
  71         switch inst.ClusterType {
  72         case "development":
  73                 dev = true
  74         case "test":
  75                 test = true
  76         case "production":
  77                 prod = true
  78         case "package":
  79                 pkg = true
  80         default:
  81                 err = fmt.Errorf("invalid cluster type %q (must be 'development', 'test', 'production', or 'package')", inst.ClusterType)
  82                 return 2
  83         }
  84
  85         if prod {
  86                 err = errors.New("production install is not yet implemented")
  87                 return 1
  88         }
  89
  90         osv, err := identifyOS()
  91         if err != nil {
  92                 return 1
  93         }
  94
  95         listdir, err := os.Open("/var/lib/apt/lists")
  96         if err != nil {
  97                 logger.Warnf("error while checking whether to run apt-get update: %s", err)
  98         } else if names, _ := listdir.Readdirnames(1); len(names) == 0 {
  99                 // Special case for a base docker image where the
 100                 // package cache has been deleted and all "apt-get
 101                 // install" commands will fail unless we fetch repos.
 102                 cmd := exec.CommandContext(ctx, "apt-get", "update")
 103                 cmd.Stdout = stdout
 104                 cmd.Stderr = stderr
 105                 err = cmd.Run()
 106                 if err != nil {
 107                         return 1
 108                 }
 109         }
 110
 111         pkgs := prodpkgs(osv)
 112
 113         if pkg {
 114                 pkgs = append(pkgs,
 115                         "dpkg-dev",
 116                         "rsync",
 117                 )
 118         }
 119
 120         if dev || test || pkg {
 121                 pkgs = append(pkgs,
 122                         "bsdmainutils",
 123                         "build-essential",
 124                         "cadaver",
 125                         "cython",
 126                         "daemontools", // lib/boot uses setuidgid to drop privileges when running as root
 127                         "default-jdk-headless",
 128                         "default-jre-headless",
 129                         "gettext",
 130                         "iceweasel",
 131                         "libattr1-dev",
 132                         "libcrypt-ssleay-perl",
 133                         "libfuse-dev",
 134                         "libgnutls28-dev",
 135                         "libjson-perl",
 136                         "libpam-dev",
 137                         "libpcre3-dev",
 138                         "libpython2.7-dev",
 139                         "libreadline-dev",
 140                         "libssl-dev",
 141                         "libwww-perl",
 142                         "libxml2-dev",
 143                         "libxslt1-dev",
 144                         "linkchecker",
 145                         "lsof",
 146                         "net-tools",
 147                         "pandoc",
 148                         "perl-modules",
 149                         "pkg-config",
 150                         "postgresql",
 151                         "postgresql-contrib",
 152                         "python3-dev",
 153                         "python-epydoc",
 154                         "r-base",
 155                         "r-cran-testthat",
 156                         "sudo",
 157                         "virtualenv",
 158                         "wget",
 159                         "xvfb",
 160                 )
 161                 switch {
 162                 case osv.Debian && osv.Major >= 10:
 163                         pkgs = append(pkgs, "libcurl4")
 164                 default:
 165                         pkgs = append(pkgs, "libcurl3")
 166                 }
 167                 cmd := exec.CommandContext(ctx, "apt-get", "install", "--yes", "--no-install-recommends")
 168                 cmd.Args = append(cmd.Args, pkgs...)
 169                 cmd.Env = append(os.Environ(), "DEBIAN_FRONTEND=noninteractive")
 170                 cmd.Stdout = stdout
 171                 cmd.Stderr = stderr
 172                 err = cmd.Run()
 173                 if err != nil {
 174                         return 1
 175                 }
 176         }
 177
 178         os.Mkdir("/var/lib/arvados", 0755)
 179         rubyversion := "2.5.7"
 180         if haverubyversion, err := exec.Command("/var/lib/arvados/bin/ruby", "-v").CombinedOutput(); err == nil && bytes.HasPrefix(haverubyversion, []byte("ruby "+rubyversion)) {
 181                 logger.Print("ruby " + rubyversion + " already installed")
 182         } else {
 183                 err = runBash(`
 184 mkdir -p /var/lib/arvados/tmp
 185 tmp=/var/lib/arvados/tmp/ruby-`+rubyversion+`
 186 trap "rm -r ${tmp}" ERR
 187 wget --progress=dot:giga -O- https://cache.ruby-lang.org/pub/ruby/2.5/ruby-`+rubyversion+`.tar.gz | tar -C /var/lib/arvados/tmp -xzf -
 188 cd ${tmp}
 189 ./configure --disable-install-doc --prefix /var/lib/arvados
 190 make -j8
 191 make install
 192 /var/lib/arvados/bin/gem install bundler
 193 rm -r ${tmp}
 194 `, stdout, stderr)
 195                 if err != nil {
 196                         return 1
 197                 }
 198         }
 199
 200         if !prod {
 201                 goversion := "1.14"
 202                 if havegoversion, err := exec.Command("/usr/local/bin/go", "version").CombinedOutput(); err == nil && bytes.HasPrefix(havegoversion, []byte("go version go"+goversion+" ")) {
 203                         logger.Print("go " + goversion + " already installed")
 204                 } else {
 205                         err = runBash(`
 206 cd /tmp
 207 wget --progress=dot:giga -O- https://storage.googleapis.com/golang/go`+goversion+`.linux-amd64.tar.gz | tar -C /var/lib/arvados -xzf -
 208 ln -sf /var/lib/arvados/go/bin/* /usr/local/bin/
 209 `, stdout, stderr)
 210                         if err != nil {
 211                                 return 1
 212                         }
 213                 }
 214         }
 215
 216         if !prod && !pkg {
 217                 pjsversion := "1.9.8"
 218                 if havepjsversion, err := exec.Command("/usr/local/bin/phantomjs", "--version").CombinedOutput(); err == nil && string(havepjsversion) == "1.9.8\n" {
 219                         logger.Print("phantomjs " + pjsversion + " already installed")
 220                 } else {
 221                         err = runBash(`
 222 PJS=phantomjs-`+pjsversion+`-linux-x86_64
 223 wget --progress=dot:giga -O- https://bitbucket.org/ariya/phantomjs/downloads/$PJS.tar.bz2 | tar -C /var/lib/arvados -xjf -
 224 ln -sf /var/lib/arvados/$PJS/bin/phantomjs /usr/local/bin/
 225 `, stdout, stderr)
 226                         if err != nil {
 227                                 return 1
 228                         }
 229                 }
 230
 231                 geckoversion := "0.24.0"
 232                 if havegeckoversion, err := exec.Command("/usr/local/bin/geckodriver", "--version").CombinedOutput(); err == nil && strings.Contains(string(havegeckoversion), " "+geckoversion+" ") {
 233                         logger.Print("geckodriver " + geckoversion + " already installed")
 234                 } else {
 235                         err = runBash(`
 236 GD=v`+geckoversion+`
 237 wget --progress=dot:giga -O- https://github.com/mozilla/geckodriver/releases/download/$GD/geckodriver-$GD-linux64.tar.gz | tar -C /var/lib/arvados/bin -xzf - geckodriver
 238 ln -sf /var/lib/arvados/bin/geckodriver /usr/local/bin/
 239 `, stdout, stderr)
 240                         if err != nil {
 241                                 return 1
 242                         }
 243                 }
 244
 245                 nodejsversion := "v8.15.1"
 246                 if havenodejsversion, err := exec.Command("/usr/local/bin/node", "--version").CombinedOutput(); err == nil && string(havenodejsversion) == nodejsversion+"\n" {
 247                         logger.Print("nodejs " + nodejsversion + " already installed")
 248                 } else {
 249                         err = runBash(`
 250 NJS=`+nodejsversion+`
 251 wget --progress=dot:giga -O- https://nodejs.org/dist/${NJS}/node-${NJS}-linux-x64.tar.xz | sudo tar -C /var/lib/arvados -xJf -
 252 ln -sf /var/lib/arvados/node-${NJS}-linux-x64/bin/{node,npm} /usr/local/bin/
 253 `, stdout, stderr)
 254                         if err != nil {
 255                                 return 1
 256                         }
 257                 }
 258
 259                 gradleversion := "5.3.1"
 260                 if havegradleversion, err := exec.Command("/usr/local/bin/gradle", "--version").CombinedOutput(); err == nil && strings.Contains(string(havegradleversion), "Gradle "+gradleversion+"\n") {
 261                         logger.Print("gradle " + gradleversion + " already installed")
 262                 } else {
 263                         err = runBash(`
 264 G=`+gradleversion+`
 265 mkdir -p /var/lib/arvados/tmp
 266 zip=/var/lib/arvados/tmp/gradle-${G}-bin.zip
 267 trap "rm ${zip}" ERR
 268 wget --progress=dot:giga -O${zip} https://services.gradle.org/distributions/gradle-${G}-bin.zip
 269 unzip -o -d /var/lib/arvados ${zip}
 270 ln -sf /var/lib/arvados/gradle-${G}/bin/gradle /usr/local/bin/
 271 rm ${zip}
 272 `, stdout, stderr)
 273                         if err != nil {
 274                                 return 1
 275                         }
 276                 }
 277
 278                 // The entry in /etc/locale.gen is "en_US.UTF-8"; once
 279                 // it's installed, locale -a reports it as
 280                 // "en_US.utf8".
 281                 wantlocale := "en_US.UTF-8"
 282                 if havelocales, err := exec.Command("locale", "-a").CombinedOutput(); err == nil && bytes.Contains(havelocales, []byte(strings.Replace(wantlocale+"\n", "UTF-", "utf", 1))) {
 283                         logger.Print("locale " + wantlocale + " already installed")
 284                 } else {
 285                         err = runBash(`sed -i 's/^# *\(`+wantlocale+`\)/\1/' /etc/locale.gen && locale-gen`, stdout, stderr)
 286                         if err != nil {
 287                                 return 1
 288                         }
 289                 }
 290
 291                 var pgc struct {
 292                         Version       string
 293                         Cluster       string
 294                         Port          int
 295                         Status        string
 296                         Owner         string
 297                         DataDirectory string
 298                         LogFile       string
 299                 }
 300                 if pg_lsclusters, err2 := exec.Command("pg_lsclusters", "--no-header").CombinedOutput(); err2 != nil {
 301                         err = fmt.Errorf("pg_lsclusters: %s", err2)
 302                         return 1
 303                 } else if pgclusters := strings.Split(strings.TrimSpace(string(pg_lsclusters)), "\n"); len(pgclusters) != 1 {
 304                         logger.Warnf("pg_lsclusters returned %d postgresql clusters -- skipping postgresql initdb/startup, hope that's ok", len(pgclusters))
 305                 } 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 {
 306                         err = fmt.Errorf("error parsing pg_lsclusters output: %s", err)
 307                         return 1
 308                 } else if pgc.Status == "online" {
 309                         logger.Infof("postgresql cluster %s-%s is online", pgc.Version, pgc.Cluster)
 310                 } else {
 311                         logger.Infof("postgresql cluster %s-%s is %s; trying to start", pgc.Version, pgc.Cluster, pgc.Status)
 312                         cmd := exec.Command("pg_ctlcluster", "--foreground", pgc.Version, pgc.Cluster, "start")
 313                         cmd.Stdout = stdout
 314                         cmd.Stderr = stderr
 315                         err = cmd.Start()
 316                         if err != nil {
 317                                 return 1
 318                         }
 319                         defer func() {
 320                                 cmd.Process.Signal(syscall.SIGTERM)
 321                                 logger.Info("sent SIGTERM; waiting for postgres to shut down")
 322                                 cmd.Wait()
 323                         }()
 324                         err = waitPostgreSQLReady()
 325                         if err != nil {
 326                                 return 1
 327                         }
 328                 }
 329
 330                 if os.Getpid() == 1 {
 331                         // We are the init process (presumably in a
 332                         // docker container) so although postgresql is
 333                         // installed, it's not running, and initdb
 334                         // might never have been run.
 335                 }
 336
 337                 var needcoll []string
 338                 // If the en_US.UTF-8 locale wasn't installed when
 339                 // postgresql initdb ran, it needs to be added
 340                 // explicitly before we can use it in our test suite.
 341                 for _, collname := range []string{"en_US", "en_US.UTF-8"} {
 342                         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')")
 343                         cmd.Dir = "/"
 344                         out, err2 := cmd.CombinedOutput()
 345                         if err != nil {
 346                                 err = fmt.Errorf("error while checking postgresql collations: %s", err2)
 347                                 return 1
 348                         }
 349                         if strings.Contains(string(out), "1") {
 350                                 logger.Infof("postgresql supports collation %s", collname)
 351                         } else {
 352                                 needcoll = append(needcoll, collname)
 353                         }
 354                 }
 355                 if len(needcoll) > 0 && os.Getpid() != 1 {
 356                         // In order for the CREATE COLLATION statement
 357                         // below to work, the locale must have existed
 358                         // when PostgreSQL started up. If we're
 359                         // running as init, we must have started
 360                         // PostgreSQL ourselves after installing the
 361                         // locales. Otherwise, it might need a
 362                         // restart, so we attempt to restart it with
 363                         // systemd.
 364                         if err = runBash(`sudo systemctl restart postgresql`, stdout, stderr); err != nil {
 365                                 logger.Warn("`systemctl restart postgresql` failed; hoping postgresql does not need to be restarted")
 366                         } else if err = waitPostgreSQLReady(); err != nil {
 367                                 return 1
 368                         }
 369                 }
 370                 for _, collname := range needcoll {
 371                         cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "CREATE COLLATION \""+collname+"\" (LOCALE = \"en_US.UTF-8\")")
 372                         cmd.Stdout = stdout
 373                         cmd.Stderr = stderr
 374                         cmd.Dir = "/"
 375                         err = cmd.Run()
 376                         if err != nil {
 377                                 err = fmt.Errorf("error adding postgresql collation %s: %s", collname, err)
 378                                 return 1
 379                         }
 380                 }
 381
 382                 withstuff := "WITH LOGIN SUPERUSER ENCRYPTED PASSWORD " + pq.QuoteLiteral(devtestDatabasePassword)
 383                 cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "ALTER ROLE arvados "+withstuff)
 384                 cmd.Dir = "/"
 385                 if err := cmd.Run(); err == nil {
 386                         logger.Print("arvados role exists; superuser privileges added, password updated")
 387                 } else {
 388                         cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "CREATE ROLE arvados "+withstuff)
 389                         cmd.Dir = "/"
 390                         cmd.Stdout = stdout
 391                         cmd.Stderr = stderr
 392                         err = cmd.Run()
 393                         if err != nil {
 394                                 return 1
 395                         }
 396                 }
 397         }
 398
 399         if pkg {
 400                 // Install Rails apps to /var/lib/arvados/{railsapi,workbench1}/
 401                 for dstdir, srcdir := range map[string]string{
 402                         "railsapi":   "services/api",
 403                         "workbench1": "apps/workbench",
 404                 } {
 405                         fmt.Fprintf(stderr, "building %s...\n", srcdir)
 406                         cmd := exec.Command("rsync", "-a", "--no-owner", "--delete-after", "--exclude", "/tmp", "--exclude", "/log", "--exclude", "/vendor", "./", "/var/lib/arvados/"+dstdir+"/")
 407                         cmd.Dir = filepath.Join(inst.SourcePath, srcdir)
 408                         cmd.Stdout = stdout
 409                         cmd.Stderr = stderr
 410                         err = cmd.Run()
 411                         if err != nil {
 412                                 return 1
 413                         }
 414                         for _, cmdline := range [][]string{
 415                                 {"mkdir", "-p", "log", "tmp", ".bundle", "/var/www/.gem", "/var/www/.passenger"},
 416                                 {"touch", "log/production.log"},
 417                                 // {"chown", "-R", "root:root", "."},
 418                                 {"chown", "-R", "www-data:www-data", "/var/www/.gem", "/var/www/.passenger", "log", "tmp", ".bundle", "Gemfile.lock", "config.ru", "config/environment.rb"},
 419                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/gem", "install", "--user", "--no-rdoc", "--no-ri", "--conservative", "bundler:1.16.6", "bundler:1.17.3", "bundler:2.0.2"},
 420                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "install", "--deployment", "--jobs", "8", "--path", "/var/www/.gem"},
 421                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "build-native-support"},
 422                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "install-standalone-runtime"},
 423                         } {
 424                                 cmd = exec.Command(cmdline[0], cmdline[1:]...)
 425                                 cmd.Env = append([]string{}, os.Environ()...)
 426                                 cmd.Dir = "/var/lib/arvados/" + dstdir
 427                                 cmd.Stdout = stdout
 428                                 cmd.Stderr = stderr
 429                                 err = cmd.Run()
 430                                 if err != nil {
 431                                         return 1
 432                                 }
 433                         }
 434                         cmd = exec.Command("sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "validate-install")
 435                         cmd.Dir = "/var/lib/arvados/" + dstdir
 436                         cmd.Stdout = stdout
 437                         cmd.Stderr = stderr
 438                         err = cmd.Run()
 439                         if err != nil && !strings.Contains(err.Error(), "exit status 2") {
 440                                 // Exit code 2 indicates there were warnings (like
 441                                 // "other passenger installations have been detected",
 442                                 // which we can't expect to avoid) but no errors.
 443                                 // Other non-zero exit codes (1, 9) indicate errors.
 444                                 return 1
 445                         }
 446                 }
 447
 448                 // Install Go programs to /var/lib/arvados/bin/
 449                 for _, srcdir := range []string{
 450                         "cmd/arvados-client",
 451                         "cmd/arvados-server",
 452                         "services/arv-git-httpd",
 453                         "services/crunch-dispatch-local",
 454                         "services/crunch-dispatch-slurm",
 455                         "services/health",
 456                         "services/keep-balance",
 457                         "services/keep-web",
 458                         "services/keepproxy",
 459                         "services/keepstore",
 460                         "services/ws",
 461                 } {
 462                         fmt.Fprintf(stderr, "building %s...\n", srcdir)
 463                         cmd := exec.Command("go", "install", "-ldflags", "-X git.arvados.org/arvados.git/lib/cmd.version="+inst.PackageVersion+" -X main.version="+inst.PackageVersion)
 464                         cmd.Env = append([]string{"GOBIN=/var/lib/arvados/bin"}, os.Environ()...)
 465                         cmd.Dir = filepath.Join(inst.SourcePath, srcdir)
 466                         cmd.Stdout = stdout
 467                         cmd.Stderr = stderr
 468                         err = cmd.Run()
 469                         if err != nil {
 470                                 return 1
 471                         }
 472                 }
 473         }
 474
 475         return 0
 476 }
 477
 478 type osversion struct {
 479         Debian bool
 480         Ubuntu bool
 481         Centos bool
 482         Major  int
 483 }
 484
 485 func identifyOS() (osversion, error) {
 486         var osv osversion
 487         f, err := os.Open("/etc/os-release")
 488         if err != nil {
 489                 return osv, err
 490         }
 491         defer f.Close()
 492
 493         kv := map[string]string{}
 494         scanner := bufio.NewScanner(f)
 495         for scanner.Scan() {
 496                 line := strings.TrimSpace(scanner.Text())
 497                 if strings.HasPrefix(line, "#") {
 498                         continue
 499                 }
 500                 toks := strings.SplitN(line, "=", 2)
 501                 if len(toks) != 2 {
 502                         return osv, fmt.Errorf("invalid line in /etc/os-release: %q", line)
 503                 }
 504                 k := toks[0]
 505                 v := strings.Trim(toks[1], `"`)
 506                 if v == toks[1] {
 507                         v = strings.Trim(v, `'`)
 508                 }
 509                 kv[k] = v
 510         }
 511         if err = scanner.Err(); err != nil {
 512                 return osv, err
 513         }
 514         switch kv["ID"] {
 515         case "ubuntu":
 516                 osv.Ubuntu = true
 517         case "debian":
 518                 osv.Debian = true
 519         case "centos":
 520                 osv.Centos = true
 521         default:
 522                 return osv, fmt.Errorf("unsupported ID in /etc/os-release: %q", kv["ID"])
 523         }
 524         vstr := kv["VERSION_ID"]
 525         if i := strings.Index(vstr, "."); i > 0 {
 526                 vstr = vstr[:i]
 527         }
 528         osv.Major, err = strconv.Atoi(vstr)
 529         if err != nil {
 530                 return osv, fmt.Errorf("incomprehensible VERSION_ID in /etc/os-release: %q", kv["VERSION_ID"])
 531         }
 532         return osv, nil
 533 }
 534
 535 func waitPostgreSQLReady() error {
 536         for deadline := time.Now().Add(10 * time.Second); ; {
 537                 output, err := exec.Command("pg_isready").CombinedOutput()
 538                 if err == nil {
 539                         return nil
 540                 } else if time.Now().After(deadline) {
 541                         return fmt.Errorf("timed out waiting for pg_isready (%q)", output)
 542                 } else {
 543                         time.Sleep(time.Second)
 544                 }
 545         }
 546 }
 547
 548 func runBash(script string, stdout, stderr io.Writer) error {
 549         cmd := exec.Command("bash", "-")
 550         cmd.Stdin = bytes.NewBufferString("set -ex -o pipefail\n" + script)
 551         cmd.Stdout = stdout
 552         cmd.Stderr = stderr
 553         return cmd.Run()
 554 }
 555
 556 func prodpkgs(osv osversion) []string {
 557         pkgs := []string{
 558                 "automake",
 559                 "bison",
 560                 "ca-certificates",
 561                 "curl",
 562                 "fuse",
 563                 "git",
 564                 "gitolite3",
 565                 "graphviz",
 566                 "haveged",
 567                 "libcurl3-gnutls",
 568                 "libxslt1.1",
 569                 "make",
 570                 "nginx",
 571                 "python",
 572         }
 573         if osv.Debian || osv.Ubuntu {
 574                 if osv.Debian && osv.Major == 8 {
 575                         pkgs = append(pkgs, "libgnutls-deb0-28") // sdk/cwl
 576                 } else if osv.Debian && osv.Major >= 10 || osv.Ubuntu && osv.Major >= 16 {
 577                         pkgs = append(pkgs, "python3-distutils") // sdk/cwl
 578                 }
 579                 return append(pkgs,
 580                         "g++",
 581                         "libcurl4-openssl-dev", // services/api
 582                         "libpq-dev",
 583                         "libpython2.7", // services/fuse
 584                         "mime-support", // keep-web
 585                         "zlib1g-dev",   // services/api
 586                 )
 587         } else if osv.Centos {
 588                 return append(pkgs,
 589                         "fuse-libs", // services/fuse
 590                         "gcc",
 591                         "gcc-c++",
 592                         "libcurl-devel",    // services/api
 593                         "mailcap",          // keep-web
 594                         "postgresql-devel", // services/api
 595                 )
 596         } else {
 597                 panic("os version not supported")
 598         }
 599 }
 600
 601 func ProductionDependencies() ([]string, error) {
 602         osv, err := identifyOS()
 603         if err != nil {
 604                 return nil, err
 605         }
 606         return prodpkgs(osv), nil
 607 }