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
  33 type installCommand struct {
  34         ClusterType    string
  35         SourcePath     string
  36         PackageVersion string
  37 }
  38
  39 func (inst *installCommand) RunCommand(prog string, args []string, stdin io.Reader, stdout, stderr io.Writer) int {
  40         logger := ctxlog.New(stderr, "text", "info")
  41         ctx := ctxlog.Context(context.Background(), logger)
  42         ctx, cancel := context.WithCancel(ctx)
  43         defer cancel()
  44
  45         var err error
  46         defer func() {
  47                 if err != nil {
  48                         logger.WithError(err).Info("exiting")
  49                 }
  50         }()
  51
  52         flags := flag.NewFlagSet(prog, flag.ContinueOnError)
  53         flags.SetOutput(stderr)
  54         versionFlag := flags.Bool("version", false, "Write version information to stdout and exit 0")
  55         flags.StringVar(&inst.ClusterType, "type", "production", "cluster `type`: development, test, production, or package")
  56         flags.StringVar(&inst.SourcePath, "source", "/arvados", "source tree location (required for -type=package)")
  57         flags.StringVar(&inst.PackageVersion, "package-version", "0.0.0", "version string to embed in executable files")
  58         err = flags.Parse(args)
  59         if err == flag.ErrHelp {
  60                 err = nil
  61                 return 0
  62         } else if err != nil {
  63                 return 2
  64         } else if *versionFlag {
  65                 return cmd.Version.RunCommand(prog, args, stdin, stdout, stderr)
  66         } else if len(flags.Args()) > 0 {
  67                 err = fmt.Errorf("unrecognized command line arguments: %v", flags.Args())
  68                 return 2
  69         }
  70
  71         var dev, test, prod, pkg bool
  72         switch inst.ClusterType {
  73         case "development":
  74                 dev = true
  75         case "test":
  76                 test = true
  77         case "production":
  78                 prod = true
  79         case "package":
  80                 pkg = true
  81         default:
  82                 err = fmt.Errorf("invalid cluster type %q (must be 'development', 'test', 'production', or 'package')", inst.ClusterType)
  83                 return 2
  84         }
  85
  86         if prod {
  87                 err = errors.New("production install is not yet implemented")
  88                 return 1
  89         }
  90
  91         osv, err := identifyOS()
  92         if err != nil {
  93                 return 1
  94         }
  95
  96         listdir, err := os.Open("/var/lib/apt/lists")
  97         if err != nil {
  98                 logger.Warnf("error while checking whether to run apt-get update: %s", err)
  99         } else if names, _ := listdir.Readdirnames(1); len(names) == 0 {
 100                 // Special case for a base docker image where the
 101                 // package cache has been deleted and all "apt-get
 102                 // install" commands will fail unless we fetch repos.
 103                 cmd := exec.CommandContext(ctx, "apt-get", "update")
 104                 cmd.Stdout = stdout
 105                 cmd.Stderr = stderr
 106                 err = cmd.Run()
 107                 if err != nil {
 108                         return 1
 109                 }
 110         }
 111
 112         pkgs := prodpkgs(osv)
 113
 114         if pkg {
 115                 pkgs = append(pkgs,
 116                         "dpkg-dev",
 117                         "rsync",
 118                 )
 119         }
 120
 121         if dev || test || pkg {
 122                 pkgs = append(pkgs,
 123                         "automake",
 124                         "bison",
 125                         "bsdmainutils",
 126                         "build-essential",
 127                         "cadaver",
 128                         "curl",
 129                         "cython3",
 130                         "daemontools", // lib/boot uses setuidgid to drop privileges when running as root
 131                         "default-jdk-headless",
 132                         "default-jre-headless",
 133                         "gettext",
 134                         "iceweasel",
 135                         "libattr1-dev",
 136                         "libcrypt-ssleay-perl",
 137                         "libfuse-dev",
 138                         "libgnutls28-dev",
 139                         "libjson-perl",
 140                         "libpam-dev",
 141                         "libpcre3-dev",
 142                         "libpq-dev",
 143                         "libreadline-dev",
 144                         "libssl-dev",
 145                         "libwww-perl",
 146                         "libxml2-dev",
 147                         "libxslt1-dev",
 148                         "linkchecker",
 149                         "lsof",
 150                         "make",
 151                         "net-tools",
 152                         "pandoc",
 153                         "perl-modules",
 154                         "pkg-config",
 155                         "postgresql",
 156                         "postgresql-contrib",
 157                         "python3-dev",
 158                         "python3-venv",
 159                         "python3-virtualenv",
 160                         "r-base",
 161                         "r-cran-testthat",
 162                         "r-cran-devtools",
 163                         "r-cran-knitr",
 164                         "r-cran-markdown",
 165                         "r-cran-roxygen2",
 166                         "r-cran-xml",
 167                         "sudo",
 168                         "wget",
 169                         "xvfb",
 170                 )
 171                 switch {
 172                 case osv.Debian && osv.Major >= 10:
 173                         pkgs = append(pkgs, "libcurl4")
 174                 default:
 175                         pkgs = append(pkgs, "libcurl3")
 176                 }
 177                 cmd := exec.CommandContext(ctx, "apt-get", "install", "--yes", "--no-install-recommends")
 178                 cmd.Args = append(cmd.Args, pkgs...)
 179                 cmd.Env = append(os.Environ(), "DEBIAN_FRONTEND=noninteractive")
 180                 cmd.Stdout = stdout
 181                 cmd.Stderr = stderr
 182                 err = cmd.Run()
 183                 if err != nil {
 184                         return 1
 185                 }
 186         }
 187
 188         os.Mkdir("/var/lib/arvados", 0755)
 189         os.Mkdir("/var/lib/arvados/tmp", 0700)
 190         if prod || pkg {
 191                 os.Mkdir("/var/lib/arvados/wwwtmp", 0700)
 192                 u, er := user.Lookup("www-data")
 193                 if er != nil {
 194                         err = fmt.Errorf("user.Lookup(%q): %w", "www-data", er)
 195                         return 1
 196                 }
 197                 uid, _ := strconv.Atoi(u.Uid)
 198                 gid, _ := strconv.Atoi(u.Gid)
 199                 err = os.Chown("/var/lib/arvados/wwwtmp", uid, gid)
 200                 if err != nil {
 201                         return 1
 202                 }
 203         }
 204         rubyversion := "2.5.7"
 205         if haverubyversion, err := exec.Command("/var/lib/arvados/bin/ruby", "-v").CombinedOutput(); err == nil && bytes.HasPrefix(haverubyversion, []byte("ruby "+rubyversion)) {
 206                 logger.Print("ruby " + rubyversion + " already installed")
 207         } else {
 208                 err = runBash(`
 209 tmp=/var/lib/arvados/tmp/ruby-`+rubyversion+`
 210 trap "rm -r ${tmp}" ERR
 211 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 -
 212 cd ${tmp}
 213 ./configure --disable-install-static-library --enable-shared --disable-install-doc --prefix /var/lib/arvados
 214 make -j8
 215 make install
 216 /var/lib/arvados/bin/gem install bundler --no-ri --no-rdoc
 217 # "gem update --system" can be removed when we use ruby ≥2.6.3: https://bundler.io/blog/2019/05/14/solutions-for-cant-find-gem-bundler-with-executable-bundle.html
 218 /var/lib/arvados/bin/gem update --system --no-ri --no-rdoc
 219 rm -r ${tmp}
 220 `, stdout, stderr)
 221                 if err != nil {
 222                         return 1
 223                 }
 224         }
 225
 226         if !prod {
 227                 goversion := "1.14"
 228                 if havegoversion, err := exec.Command("/usr/local/bin/go", "version").CombinedOutput(); err == nil && bytes.HasPrefix(havegoversion, []byte("go version go"+goversion+" ")) {
 229                         logger.Print("go " + goversion + " already installed")
 230                 } else {
 231                         err = runBash(`
 232 cd /tmp
 233 wget --progress=dot:giga -O- https://storage.googleapis.com/golang/go`+goversion+`.linux-amd64.tar.gz | tar -C /var/lib/arvados -xzf -
 234 ln -sf /var/lib/arvados/go/bin/* /usr/local/bin/
 235 `, stdout, stderr)
 236                         if err != nil {
 237                                 return 1
 238                         }
 239                 }
 240         }
 241
 242         if !prod && !pkg {
 243                 pjsversion := "1.9.8"
 244                 if havepjsversion, err := exec.Command("/usr/local/bin/phantomjs", "--version").CombinedOutput(); err == nil && string(havepjsversion) == "1.9.8\n" {
 245                         logger.Print("phantomjs " + pjsversion + " already installed")
 246                 } else {
 247                         err = runBash(`
 248 PJS=phantomjs-`+pjsversion+`-linux-x86_64
 249 wget --progress=dot:giga -O- https://bitbucket.org/ariya/phantomjs/downloads/$PJS.tar.bz2 | tar -C /var/lib/arvados -xjf -
 250 ln -sf /var/lib/arvados/$PJS/bin/phantomjs /usr/local/bin/
 251 `, stdout, stderr)
 252                         if err != nil {
 253                                 return 1
 254                         }
 255                 }
 256
 257                 geckoversion := "0.24.0"
 258                 if havegeckoversion, err := exec.Command("/usr/local/bin/geckodriver", "--version").CombinedOutput(); err == nil && strings.Contains(string(havegeckoversion), " "+geckoversion+" ") {
 259                         logger.Print("geckodriver " + geckoversion + " already installed")
 260                 } else {
 261                         err = runBash(`
 262 GD=v`+geckoversion+`
 263 wget --progress=dot:giga -O- https://github.com/mozilla/geckodriver/releases/download/$GD/geckodriver-$GD-linux64.tar.gz | tar -C /var/lib/arvados/bin -xzf - geckodriver
 264 ln -sf /var/lib/arvados/bin/geckodriver /usr/local/bin/
 265 `, stdout, stderr)
 266                         if err != nil {
 267                                 return 1
 268                         }
 269                 }
 270
 271                 nodejsversion := "v8.15.1"
 272                 if havenodejsversion, err := exec.Command("/usr/local/bin/node", "--version").CombinedOutput(); err == nil && string(havenodejsversion) == nodejsversion+"\n" {
 273                         logger.Print("nodejs " + nodejsversion + " already installed")
 274                 } else {
 275                         err = runBash(`
 276 NJS=`+nodejsversion+`
 277 wget --progress=dot:giga -O- https://nodejs.org/dist/${NJS}/node-${NJS}-linux-x64.tar.xz | sudo tar -C /var/lib/arvados -xJf -
 278 ln -sf /var/lib/arvados/node-${NJS}-linux-x64/bin/{node,npm} /usr/local/bin/
 279 `, stdout, stderr)
 280                         if err != nil {
 281                                 return 1
 282                         }
 283                 }
 284
 285                 gradleversion := "5.3.1"
 286                 if havegradleversion, err := exec.Command("/usr/local/bin/gradle", "--version").CombinedOutput(); err == nil && strings.Contains(string(havegradleversion), "Gradle "+gradleversion+"\n") {
 287                         logger.Print("gradle " + gradleversion + " already installed")
 288                 } else {
 289                         err = runBash(`
 290 G=`+gradleversion+`
 291 zip=/var/lib/arvados/tmp/gradle-${G}-bin.zip
 292 trap "rm ${zip}" ERR
 293 wget --progress=dot:giga -O${zip} https://services.gradle.org/distributions/gradle-${G}-bin.zip
 294 unzip -o -d /var/lib/arvados ${zip}
 295 ln -sf /var/lib/arvados/gradle-${G}/bin/gradle /usr/local/bin/
 296 rm ${zip}
 297 `, stdout, stderr)
 298                         if err != nil {
 299                                 return 1
 300                         }
 301                 }
 302
 303                 // The entry in /etc/locale.gen is "en_US.UTF-8"; once
 304                 // it's installed, locale -a reports it as
 305                 // "en_US.utf8".
 306                 wantlocale := "en_US.UTF-8"
 307                 if havelocales, err := exec.Command("locale", "-a").CombinedOutput(); err == nil && bytes.Contains(havelocales, []byte(strings.Replace(wantlocale+"\n", "UTF-", "utf", 1))) {
 308                         logger.Print("locale " + wantlocale + " already installed")
 309                 } else {
 310                         err = runBash(`sed -i 's/^# *\(`+wantlocale+`\)/\1/' /etc/locale.gen && locale-gen`, stdout, stderr)
 311                         if err != nil {
 312                                 return 1
 313                         }
 314                 }
 315
 316                 var pgc struct {
 317                         Version       string
 318                         Cluster       string
 319                         Port          int
 320                         Status        string
 321                         Owner         string
 322                         DataDirectory string
 323                         LogFile       string
 324                 }
 325                 if pgLsclusters, err2 := exec.Command("pg_lsclusters", "--no-header").CombinedOutput(); err2 != nil {
 326                         err = fmt.Errorf("pg_lsclusters: %s", err2)
 327                         return 1
 328                 } else if pgclusters := strings.Split(strings.TrimSpace(string(pgLsclusters)), "\n"); len(pgclusters) != 1 {
 329                         logger.Warnf("pg_lsclusters returned %d postgresql clusters -- skipping postgresql initdb/startup, hope that's ok", len(pgclusters))
 330                 } 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 {
 331                         err = fmt.Errorf("error parsing pg_lsclusters output: %s", err)
 332                         return 1
 333                 } else if pgc.Status == "online" {
 334                         logger.Infof("postgresql cluster %s-%s is online", pgc.Version, pgc.Cluster)
 335                 } else {
 336                         logger.Infof("postgresql cluster %s-%s is %s; trying to start", pgc.Version, pgc.Cluster, pgc.Status)
 337                         cmd := exec.Command("pg_ctlcluster", "--foreground", pgc.Version, pgc.Cluster, "start")
 338                         cmd.Stdout = stdout
 339                         cmd.Stderr = stderr
 340                         err = cmd.Start()
 341                         if err != nil {
 342                                 return 1
 343                         }
 344                         defer func() {
 345                                 cmd.Process.Signal(syscall.SIGTERM)
 346                                 logger.Info("sent SIGTERM; waiting for postgres to shut down")
 347                                 cmd.Wait()
 348                         }()
 349                         err = waitPostgreSQLReady()
 350                         if err != nil {
 351                                 return 1
 352                         }
 353                 }
 354
 355                 if os.Getpid() == 1 {
 356                         // We are the init process (presumably in a
 357                         // docker container) so although postgresql is
 358                         // installed, it's not running, and initdb
 359                         // might never have been run.
 360                 }
 361
 362                 var needcoll []string
 363                 // If the en_US.UTF-8 locale wasn't installed when
 364                 // postgresql initdb ran, it needs to be added
 365                 // explicitly before we can use it in our test suite.
 366                 for _, collname := range []string{"en_US", "en_US.UTF-8"} {
 367                         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')")
 368                         cmd.Dir = "/"
 369                         out, err2 := cmd.CombinedOutput()
 370                         if err != nil {
 371                                 err = fmt.Errorf("error while checking postgresql collations: %s", err2)
 372                                 return 1
 373                         }
 374                         if strings.Contains(string(out), "1") {
 375                                 logger.Infof("postgresql supports collation %s", collname)
 376                         } else {
 377                                 needcoll = append(needcoll, collname)
 378                         }
 379                 }
 380                 if len(needcoll) > 0 && os.Getpid() != 1 {
 381                         // In order for the CREATE COLLATION statement
 382                         // below to work, the locale must have existed
 383                         // when PostgreSQL started up. If we're
 384                         // running as init, we must have started
 385                         // PostgreSQL ourselves after installing the
 386                         // locales. Otherwise, it might need a
 387                         // restart, so we attempt to restart it with
 388                         // systemd.
 389                         if err = runBash(`sudo systemctl restart postgresql`, stdout, stderr); err != nil {
 390                                 logger.Warn("`systemctl restart postgresql` failed; hoping postgresql does not need to be restarted")
 391                         } else if err = waitPostgreSQLReady(); err != nil {
 392                                 return 1
 393                         }
 394                 }
 395                 for _, collname := range needcoll {
 396                         cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "CREATE COLLATION \""+collname+"\" (LOCALE = \"en_US.UTF-8\")")
 397                         cmd.Stdout = stdout
 398                         cmd.Stderr = stderr
 399                         cmd.Dir = "/"
 400                         err = cmd.Run()
 401                         if err != nil {
 402                                 err = fmt.Errorf("error adding postgresql collation %s: %s", collname, err)
 403                                 return 1
 404                         }
 405                 }
 406
 407                 withstuff := "WITH LOGIN SUPERUSER ENCRYPTED PASSWORD " + pq.QuoteLiteral(devtestDatabasePassword)
 408                 cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "ALTER ROLE arvados "+withstuff)
 409                 cmd.Dir = "/"
 410                 if err := cmd.Run(); err == nil {
 411                         logger.Print("arvados role exists; superuser privileges added, password updated")
 412                 } else {
 413                         cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "CREATE ROLE arvados "+withstuff)
 414                         cmd.Dir = "/"
 415                         cmd.Stdout = stdout
 416                         cmd.Stderr = stderr
 417                         err = cmd.Run()
 418                         if err != nil {
 419                                 return 1
 420                         }
 421                 }
 422         }
 423
 424         if prod || pkg {
 425                 // Install Rails apps to /var/lib/arvados/{railsapi,workbench1}/
 426                 for dstdir, srcdir := range map[string]string{
 427                         "railsapi":   "services/api",
 428                         "workbench1": "apps/workbench",
 429                 } {
 430                         fmt.Fprintf(stderr, "building %s...\n", srcdir)
 431                         cmd := exec.Command("rsync",
 432                                 "-a", "--no-owner", "--delete-after", "--delete-excluded",
 433                                 "--exclude", "/coverage",
 434                                 "--exclude", "/log",
 435                                 "--exclude", "/tmp",
 436                                 "--exclude", "/vendor",
 437                                 "./", "/var/lib/arvados/"+dstdir+"/")
 438                         cmd.Dir = filepath.Join(inst.SourcePath, srcdir)
 439                         cmd.Stdout = stdout
 440                         cmd.Stderr = stderr
 441                         err = cmd.Run()
 442                         if err != nil {
 443                                 return 1
 444                         }
 445                         for _, cmdline := range [][]string{
 446                                 {"mkdir", "-p", "log", "tmp", ".bundle", "/var/www/.gem", "/var/www/.bundle", "/var/www/.passenger"},
 447                                 {"touch", "log/production.log"},
 448                                 {"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"},
 449                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/gem", "install", "--user", "--conservative", "--no-document", "bundler:1.16.6", "bundler:1.17.3", "bundler:2.0.2"},
 450                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "install", "--deployment", "--jobs", "8", "--path", "/var/www/.gem"},
 451                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "build-native-support"},
 452                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "install-standalone-runtime"},
 453                         } {
 454                                 cmd = exec.Command(cmdline[0], cmdline[1:]...)
 455                                 cmd.Env = append([]string{}, os.Environ()...)
 456                                 cmd.Dir = "/var/lib/arvados/" + dstdir
 457                                 cmd.Stdout = stdout
 458                                 cmd.Stderr = stderr
 459                                 fmt.Fprintf(stderr, "... %s\n", cmd.Args)
 460                                 err = cmd.Run()
 461                                 if err != nil {
 462                                         return 1
 463                                 }
 464                         }
 465                         cmd = exec.Command("sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "validate-install")
 466                         cmd.Dir = "/var/lib/arvados/" + dstdir
 467                         cmd.Stdout = stdout
 468                         cmd.Stderr = stderr
 469                         err = cmd.Run()
 470                         if err != nil && !strings.Contains(err.Error(), "exit status 2") {
 471                                 // Exit code 2 indicates there were warnings (like
 472                                 // "other passenger installations have been detected",
 473                                 // which we can't expect to avoid) but no errors.
 474                                 // Other non-zero exit codes (1, 9) indicate errors.
 475                                 return 1
 476                         }
 477                 }
 478
 479                 // Install Go programs to /var/lib/arvados/bin/
 480                 for _, srcdir := range []string{
 481                         "cmd/arvados-client",
 482                         "cmd/arvados-server",
 483                         "services/arv-git-httpd",
 484                         "services/crunch-dispatch-local",
 485                         "services/crunch-dispatch-slurm",
 486                         "services/health",
 487                         "services/keep-balance",
 488                         "services/keep-web",
 489                         "services/keepproxy",
 490                         "services/keepstore",
 491                         "services/ws",
 492                 } {
 493                         fmt.Fprintf(stderr, "building %s...\n", srcdir)
 494                         cmd := exec.Command("go", "install", "-ldflags", "-X git.arvados.org/arvados.git/lib/cmd.version="+inst.PackageVersion+" -X main.version="+inst.PackageVersion)
 495                         cmd.Env = append([]string{"GOBIN=/var/lib/arvados/bin"}, os.Environ()...)
 496                         cmd.Dir = filepath.Join(inst.SourcePath, srcdir)
 497                         cmd.Stdout = stdout
 498                         cmd.Stderr = stderr
 499                         err = cmd.Run()
 500                         if err != nil {
 501                                 return 1
 502                         }
 503                 }
 504
 505                 // Copy assets from source tree to /var/lib/arvados/share
 506                 cmd := exec.Command("install", "-v", "-t", "/var/lib/arvados/share", filepath.Join(inst.SourcePath, "sdk/python/tests/nginx.conf"))
 507                 cmd.Stdout = stdout
 508                 cmd.Stderr = stderr
 509                 err = cmd.Run()
 510                 if err != nil {
 511                         return 1
 512                 }
 513         }
 514
 515         return 0
 516 }
 517
 518 type osversion struct {
 519         Debian bool
 520         Ubuntu bool
 521         Centos bool
 522         Major  int
 523 }
 524
 525 func identifyOS() (osversion, error) {
 526         var osv osversion
 527         f, err := os.Open("/etc/os-release")
 528         if err != nil {
 529                 return osv, err
 530         }
 531         defer f.Close()
 532
 533         kv := map[string]string{}
 534         scanner := bufio.NewScanner(f)
 535         for scanner.Scan() {
 536                 line := strings.TrimSpace(scanner.Text())
 537                 if strings.HasPrefix(line, "#") {
 538                         continue
 539                 }
 540                 toks := strings.SplitN(line, "=", 2)
 541                 if len(toks) != 2 {
 542                         return osv, fmt.Errorf("invalid line in /etc/os-release: %q", line)
 543                 }
 544                 k := toks[0]
 545                 v := strings.Trim(toks[1], `"`)
 546                 if v == toks[1] {
 547                         v = strings.Trim(v, `'`)
 548                 }
 549                 kv[k] = v
 550         }
 551         if err = scanner.Err(); err != nil {
 552                 return osv, err
 553         }
 554         switch kv["ID"] {
 555         case "ubuntu":
 556                 osv.Ubuntu = true
 557         case "debian":
 558                 osv.Debian = true
 559         case "centos":
 560                 osv.Centos = true
 561         default:
 562                 return osv, fmt.Errorf("unsupported ID in /etc/os-release: %q", kv["ID"])
 563         }
 564         vstr := kv["VERSION_ID"]
 565         if i := strings.Index(vstr, "."); i > 0 {
 566                 vstr = vstr[:i]
 567         }
 568         osv.Major, err = strconv.Atoi(vstr)
 569         if err != nil {
 570                 return osv, fmt.Errorf("incomprehensible VERSION_ID in /etc/os-release: %q", kv["VERSION_ID"])
 571         }
 572         return osv, nil
 573 }
 574
 575 func waitPostgreSQLReady() error {
 576         for deadline := time.Now().Add(10 * time.Second); ; {
 577                 output, err := exec.Command("pg_isready").CombinedOutput()
 578                 if err == nil {
 579                         return nil
 580                 } else if time.Now().After(deadline) {
 581                         return fmt.Errorf("timed out waiting for pg_isready (%q)", output)
 582                 } else {
 583                         time.Sleep(time.Second)
 584                 }
 585         }
 586 }
 587
 588 func runBash(script string, stdout, stderr io.Writer) error {
 589         cmd := exec.Command("bash", "-")
 590         cmd.Stdin = bytes.NewBufferString("set -ex -o pipefail\n" + script)
 591         cmd.Stdout = stdout
 592         cmd.Stderr = stderr
 593         return cmd.Run()
 594 }
 595
 596 func prodpkgs(osv osversion) []string {
 597         pkgs := []string{
 598                 "ca-certificates",
 599                 "curl",
 600                 "fuse",
 601                 "git",
 602                 "gitolite3",
 603                 "graphviz",
 604                 "haveged",
 605                 "libcurl3-gnutls",
 606                 "libxslt1.1",
 607                 "nginx",
 608                 "python",
 609                 "sudo",
 610         }
 611         if osv.Debian || osv.Ubuntu {
 612                 if osv.Debian && osv.Major == 8 {
 613                         pkgs = append(pkgs, "libgnutls-deb0-28") // sdk/cwl
 614                 } else if osv.Debian && osv.Major >= 10 || osv.Ubuntu && osv.Major >= 16 {
 615                         pkgs = append(pkgs, "python3-distutils") // sdk/cwl
 616                 }
 617                 return append(pkgs,
 618                         "g++",
 619                         "libcurl4-openssl-dev", // services/api
 620                         "libpq-dev",
 621                         "libpython2.7", // services/fuse
 622                         "mime-support", // keep-web
 623                         "zlib1g-dev",   // services/api
 624                 )
 625         } else if osv.Centos {
 626                 return append(pkgs,
 627                         "fuse-libs", // services/fuse
 628                         "gcc",
 629                         "gcc-c++",
 630                         "libcurl-devel",    // services/api
 631                         "mailcap",          // keep-web
 632                         "postgresql-devel", // services/api
 633                 )
 634         } else {
 635                 panic("os version not supported")
 636         }
 637 }
 638
 639 func ProductionDependencies() ([]string, error) {
 640         osv, err := identifyOS()
 641         if err != nil {
 642                 return nil, err
 643         }
 644         return prodpkgs(osv), nil
 645 }