18700: Add systemd unit file to arvados-server-easy package.
[arvados.git] / lib / install / deps.go
1 // Copyright (C) The Arvados Authors. All rights reserved.
2 //
3 // SPDX-License-Identifier: AGPL-3.0
4
5 package install
6
7 import (
8         "bufio"
9         "bytes"
10         "context"
11         _ "embed"
12         "errors"
13         "flag"
14         "fmt"
15         "io"
16         "os"
17         "os/exec"
18         "os/user"
19         "path/filepath"
20         "strconv"
21         "strings"
22         "syscall"
23         "time"
24
25         "git.arvados.org/arvados.git/lib/cmd"
26         "git.arvados.org/arvados.git/sdk/go/ctxlog"
27         "github.com/lib/pq"
28 )
29
30 var Command cmd.Handler = &installCommand{}
31
32 const goversion = "1.17.7"
33
34 const (
35         rubyversion             = "2.7.5"
36         bundlerversion          = "2.2.19"
37         singularityversion      = "3.7.4"
38         pjsversion              = "1.9.8"
39         geckoversion            = "0.24.0"
40         gradleversion           = "5.3.1"
41         nodejsversion           = "v12.22.11"
42         devtestDatabasePassword = "insecure_arvados_test"
43         workbench2version       = "5e020488f67b5bc919796e0dc8b0b9f3b3ff23b0"
44 )
45
46 //go:embed arvados.service
47 var arvadosServiceFile []byte
48
49 type installCommand struct {
50         ClusterType    string
51         SourcePath     string
52         PackageVersion string
53         EatMyData      bool
54 }
55
56 func (inst *installCommand) RunCommand(prog string, args []string, stdin io.Reader, stdout, stderr io.Writer) int {
57         logger := ctxlog.New(stderr, "text", "info")
58         ctx := ctxlog.Context(context.Background(), logger)
59         ctx, cancel := context.WithCancel(ctx)
60         defer cancel()
61
62         var err error
63         defer func() {
64                 if err != nil {
65                         logger.WithError(err).Info("exiting")
66                 }
67         }()
68
69         flags := flag.NewFlagSet(prog, flag.ContinueOnError)
70         flags.SetOutput(stderr)
71         versionFlag := flags.Bool("version", false, "Write version information to stdout and exit 0")
72         flags.StringVar(&inst.ClusterType, "type", "production", "cluster `type`: development, test, production, or package")
73         flags.StringVar(&inst.SourcePath, "source", "/arvados", "source tree location (required for -type=package)")
74         flags.StringVar(&inst.PackageVersion, "package-version", "0.0.0", "version string to embed in executable files")
75         flags.BoolVar(&inst.EatMyData, "eatmydata", false, "use eatmydata to speed up install")
76
77         if ok, code := cmd.ParseFlags(flags, prog, args, "", stderr); !ok {
78                 return code
79         } else if *versionFlag {
80                 return cmd.Version.RunCommand(prog, args, stdin, stdout, stderr)
81         }
82
83         var dev, test, prod, pkg bool
84         switch inst.ClusterType {
85         case "development":
86                 dev = true
87         case "test":
88                 test = true
89         case "production":
90                 prod = true
91         case "package":
92                 pkg = true
93         default:
94                 err = fmt.Errorf("invalid cluster type %q (must be 'development', 'test', 'production', or 'package')", inst.ClusterType)
95                 return 2
96         }
97
98         if prod {
99                 err = errors.New("production install is not yet implemented")
100                 return 1
101         }
102
103         osv, err := identifyOS()
104         if err != nil {
105                 return 1
106         }
107
108         listdir, err := os.Open("/var/lib/apt/lists")
109         if err != nil {
110                 logger.Warnf("error while checking whether to run apt-get update: %s", err)
111         } else if names, _ := listdir.Readdirnames(1); len(names) == 0 {
112                 // Special case for a base docker image where the
113                 // package cache has been deleted and all "apt-get
114                 // install" commands will fail unless we fetch repos.
115                 cmd := exec.CommandContext(ctx, "apt-get", "update")
116                 cmd.Stdout = stdout
117                 cmd.Stderr = stderr
118                 err = cmd.Run()
119                 if err != nil {
120                         return 1
121                 }
122         }
123
124         if inst.EatMyData {
125                 cmd := exec.CommandContext(ctx, "apt-get", "install", "--yes", "--no-install-recommends", "eatmydata")
126                 cmd.Env = append(os.Environ(), "DEBIAN_FRONTEND=noninteractive")
127                 cmd.Stdout = stdout
128                 cmd.Stderr = stderr
129                 err = cmd.Run()
130                 if err != nil {
131                         return 1
132                 }
133         }
134
135         pkgs := prodpkgs(osv)
136
137         if pkg {
138                 pkgs = append(pkgs,
139                         "dpkg-dev",
140                         "eatmydata", // install it for later steps, even if we're not using it now
141                         "rsync",
142                 )
143         }
144
145         if dev || test || pkg {
146                 pkgs = append(pkgs,
147                         "automake",
148                         "bison",
149                         "bsdmainutils",
150                         "build-essential",
151                         "cadaver",
152                         "curl",
153                         "cython3",
154                         "default-jdk-headless",
155                         "default-jre-headless",
156                         "gettext",
157                         "libattr1-dev",
158                         "libcrypt-ssleay-perl",
159                         "libfuse-dev",
160                         "libgnutls28-dev",
161                         "libjson-perl",
162                         "libpam-dev",
163                         "libpcre3-dev",
164                         "libpq-dev",
165                         "libreadline-dev",
166                         "libssl-dev",
167                         "libwww-perl",
168                         "libxml2-dev",
169                         "libxslt1-dev",
170                         "linkchecker",
171                         "lsof",
172                         "make",
173                         "net-tools",
174                         "pandoc",
175                         "perl-modules",
176                         "pkg-config",
177                         "postgresql",
178                         "postgresql-contrib",
179                         "python3-dev",
180                         "python3-venv",
181                         "python3-virtualenv",
182                         "r-base",
183                         "r-cran-testthat",
184                         "r-cran-devtools",
185                         "r-cran-knitr",
186                         "r-cran-markdown",
187                         "r-cran-roxygen2",
188                         "r-cran-xml",
189                         "sudo",
190                         "uuid-dev",
191                         "wget",
192                         "xvfb",
193                 )
194                 if test {
195                         if osv.Debian && osv.Major <= 10 {
196                                 pkgs = append(pkgs, "iceweasel")
197                         } else {
198                                 pkgs = append(pkgs, "firefox")
199                         }
200                 }
201                 if dev || test {
202                         pkgs = append(pkgs, "squashfs-tools") // for singularity
203                 }
204                 switch {
205                 case osv.Debian && osv.Major >= 10:
206                         pkgs = append(pkgs, "libcurl4")
207                 default:
208                         pkgs = append(pkgs, "libcurl3")
209                 }
210                 cmd := exec.CommandContext(ctx, "apt-get")
211                 if inst.EatMyData {
212                         cmd = exec.CommandContext(ctx, "eatmydata", "apt-get")
213                 }
214                 cmd.Args = append(cmd.Args, "install", "--yes", "--no-install-recommends")
215                 cmd.Args = append(cmd.Args, pkgs...)
216                 cmd.Env = append(os.Environ(), "DEBIAN_FRONTEND=noninteractive")
217                 cmd.Stdout = stdout
218                 cmd.Stderr = stderr
219                 err = cmd.Run()
220                 if err != nil {
221                         return 1
222                 }
223         }
224
225         os.Mkdir("/var/lib/arvados", 0755)
226         os.Mkdir("/var/lib/arvados/tmp", 0700)
227         if prod || pkg {
228                 u, er := user.Lookup("www-data")
229                 if er != nil {
230                         err = fmt.Errorf("user.Lookup(%q): %w", "www-data", er)
231                         return 1
232                 }
233                 uid, _ := strconv.Atoi(u.Uid)
234                 gid, _ := strconv.Atoi(u.Gid)
235                 os.Mkdir("/var/lib/arvados/wwwtmp", 0700)
236                 err = os.Chown("/var/lib/arvados/wwwtmp", uid, gid)
237                 if err != nil {
238                         return 1
239                 }
240         }
241         rubymajorversion := rubyversion[:strings.LastIndex(rubyversion, ".")]
242         if haverubyversion, err := exec.Command("/var/lib/arvados/bin/ruby", "-v").CombinedOutput(); err == nil && bytes.HasPrefix(haverubyversion, []byte("ruby "+rubyversion)) {
243                 logger.Print("ruby " + rubyversion + " already installed")
244         } else {
245                 err = inst.runBash(`
246 tmp="$(mktemp -d)"
247 trap 'rm -r "${tmp}"' ERR EXIT
248 wget --progress=dot:giga -O- https://cache.ruby-lang.org/pub/ruby/`+rubymajorversion+`/ruby-`+rubyversion+`.tar.gz | tar -C "${tmp}" -xzf -
249 cd "${tmp}/ruby-`+rubyversion+`"
250 ./configure --disable-install-static-library --enable-shared --disable-install-doc --prefix /var/lib/arvados
251 make -j8
252 make install
253 /var/lib/arvados/bin/gem install bundler --no-document
254 `, stdout, stderr)
255                 if err != nil {
256                         return 1
257                 }
258         }
259
260         if !prod {
261                 if havegoversion, err := exec.Command("/usr/local/bin/go", "version").CombinedOutput(); err == nil && bytes.HasPrefix(havegoversion, []byte("go version go"+goversion+" ")) {
262                         logger.Print("go " + goversion + " already installed")
263                 } else {
264                         err = inst.runBash(`
265 cd /tmp
266 rm -rf /var/lib/arvados/go/
267 wget --progress=dot:giga -O- https://storage.googleapis.com/golang/go`+goversion+`.linux-amd64.tar.gz | tar -C /var/lib/arvados -xzf -
268 ln -sfv /var/lib/arvados/go/bin/* /usr/local/bin/
269 `, stdout, stderr)
270                         if err != nil {
271                                 return 1
272                         }
273                 }
274         }
275
276         if !prod && !pkg {
277                 if havepjsversion, err := exec.Command("/usr/local/bin/phantomjs", "--version").CombinedOutput(); err == nil && string(havepjsversion) == "1.9.8\n" {
278                         logger.Print("phantomjs " + pjsversion + " already installed")
279                 } else {
280                         err = inst.runBash(`
281 PJS=phantomjs-`+pjsversion+`-linux-x86_64
282 wget --progress=dot:giga -O- https://cache.arvados.org/$PJS.tar.bz2 | tar -C /var/lib/arvados -xjf -
283 ln -sfv /var/lib/arvados/$PJS/bin/phantomjs /usr/local/bin/
284 `, stdout, stderr)
285                         if err != nil {
286                                 return 1
287                         }
288                 }
289
290                 if havegeckoversion, err := exec.Command("/usr/local/bin/geckodriver", "--version").CombinedOutput(); err == nil && strings.Contains(string(havegeckoversion), " "+geckoversion+" ") {
291                         logger.Print("geckodriver " + geckoversion + " already installed")
292                 } else {
293                         err = inst.runBash(`
294 GD=v`+geckoversion+`
295 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
296 ln -sfv /var/lib/arvados/bin/geckodriver /usr/local/bin/
297 `, stdout, stderr)
298                         if err != nil {
299                                 return 1
300                         }
301                 }
302
303                 if havegradleversion, err := exec.Command("/usr/local/bin/gradle", "--version").CombinedOutput(); err == nil && strings.Contains(string(havegradleversion), "Gradle "+gradleversion+"\n") {
304                         logger.Print("gradle " + gradleversion + " already installed")
305                 } else {
306                         err = inst.runBash(`
307 G=`+gradleversion+`
308 zip=/var/lib/arvados/tmp/gradle-${G}-bin.zip
309 trap "rm ${zip}" ERR
310 wget --progress=dot:giga -O${zip} https://services.gradle.org/distributions/gradle-${G}-bin.zip
311 unzip -o -d /var/lib/arvados ${zip}
312 ln -sfv /var/lib/arvados/gradle-${G}/bin/gradle /usr/local/bin/
313 rm ${zip}
314 `, stdout, stderr)
315                         if err != nil {
316                                 return 1
317                         }
318                 }
319
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 {
462                 if havenodejsversion, err := exec.Command("/usr/local/bin/node", "--version").CombinedOutput(); err == nil && string(havenodejsversion) == nodejsversion+"\n" {
463                         logger.Print("nodejs " + nodejsversion + " already installed")
464                 } else {
465                         err = inst.runBash(`
466 NJS=`+nodejsversion+`
467 wget --progress=dot:giga -O- https://nodejs.org/dist/${NJS}/node-${NJS}-linux-x64.tar.xz | sudo tar -C /var/lib/arvados -xJf -
468 ln -sfv /var/lib/arvados/node-${NJS}-linux-x64/bin/{node,npm} /usr/local/bin/
469 `, stdout, stderr)
470                         if err != nil {
471                                 return 1
472                         }
473                 }
474
475                 if haveyarnversion, err := exec.Command("/usr/local/bin/yarn", "--version").CombinedOutput(); err == nil && len(haveyarnversion) > 0 {
476                         logger.Print("yarn " + strings.TrimSpace(string(haveyarnversion)) + " already installed")
477                 } else {
478                         err = inst.runBash(`
479 npm install -g yarn
480 ln -sfv /var/lib/arvados/node-`+nodejsversion+`-linux-x64/bin/{yarn,yarnpkg} /usr/local/bin/
481 `, stdout, stderr)
482                         if err != nil {
483                                 return 1
484                         }
485                 }
486
487                 if havewb2version, err := exec.Command("git", "--git-dir=/var/lib/arvados/arvados-workbench2/.git", "log", "-n1", "--format=%H").CombinedOutput(); err == nil && string(havewb2version) == workbench2version+"\n" {
488                         logger.Print("workbench2 repo is already at " + workbench2version)
489                 } else {
490                         err = inst.runBash(`
491 V=`+workbench2version+`
492 cd /var/lib/arvados
493 if [[ ! -e arvados-workbench2 ]]; then
494   git clone https://git.arvados.org/arvados-workbench2.git
495   cd arvados-workbench2
496   git checkout $V
497 else
498   cd arvados-workbench2
499   if ! git checkout $V; then
500     git fetch
501     git checkout $V
502   fi
503 fi
504 rm -rf build
505 `, stdout, stderr)
506                         if err != nil {
507                                 return 1
508                         }
509                 }
510
511                 if err = inst.runBash(`
512 cd /var/lib/arvados/arvados-workbench2
513 yarn install
514 `, stdout, stderr); err != nil {
515                         return 1
516                 }
517         }
518
519         if prod || pkg {
520                 // Install Go programs to /var/lib/arvados/bin/
521                 for _, srcdir := range []string{
522                         "cmd/arvados-client",
523                         "cmd/arvados-server",
524                         "services/arv-git-httpd",
525                         "services/crunch-dispatch-local",
526                         "services/crunch-dispatch-slurm",
527                         "services/health",
528                         "services/keep-balance",
529                         "services/keep-web",
530                         "services/keepproxy",
531                         "services/keepstore",
532                         "services/ws",
533                 } {
534                         fmt.Fprintf(stderr, "building %s...\n", srcdir)
535                         cmd := exec.Command("go", "install", "-ldflags", "-X git.arvados.org/arvados.git/lib/cmd.version="+inst.PackageVersion+" -X main.version="+inst.PackageVersion+" -s -w")
536                         cmd.Env = append(cmd.Env, os.Environ()...)
537                         cmd.Env = append(cmd.Env, "GOBIN=/var/lib/arvados/bin")
538                         cmd.Dir = filepath.Join(inst.SourcePath, srcdir)
539                         cmd.Stdout = stdout
540                         cmd.Stderr = stderr
541                         err = cmd.Run()
542                         if err != nil {
543                                 return 1
544                         }
545                 }
546
547                 // Symlink user-facing Go programs /usr/bin/x ->
548                 // /var/lib/arvados/bin/x
549                 for _, prog := range []string{"arvados-client", "arvados-server"} {
550                         err = os.Remove("/usr/bin/" + prog)
551                         if err != nil && !errors.Is(err, os.ErrNotExist) {
552                                 return 1
553                         }
554                         err = os.Symlink("/var/lib/arvados/bin/"+prog, "/usr/bin/"+prog)
555                         if err != nil {
556                                 return 1
557                         }
558                 }
559
560                 // Copy assets from source tree to /var/lib/arvados/share
561                 cmd := exec.Command("install", "-v", "-t", "/var/lib/arvados/share", filepath.Join(inst.SourcePath, "sdk/python/tests/nginx.conf"))
562                 cmd.Stdout = stdout
563                 cmd.Stderr = stderr
564                 err = cmd.Run()
565                 if err != nil {
566                         return 1
567                 }
568
569                 // Install Rails apps to /var/lib/arvados/{railsapi,workbench1}/
570                 for dstdir, srcdir := range map[string]string{
571                         "railsapi":   "services/api",
572                         "workbench1": "apps/workbench",
573                 } {
574                         fmt.Fprintf(stderr, "building %s...\n", srcdir)
575                         cmd := exec.Command("rsync",
576                                 "-a", "--no-owner", "--no-group", "--delete-after", "--delete-excluded",
577                                 "--exclude", "/coverage",
578                                 "--exclude", "/log",
579                                 "--exclude", "/tmp",
580                                 "--exclude", "/vendor",
581                                 "--exclude", "/config/environments",
582                                 "./", "/var/lib/arvados/"+dstdir+"/")
583                         cmd.Dir = filepath.Join(inst.SourcePath, srcdir)
584                         cmd.Stdout = stdout
585                         cmd.Stderr = stderr
586                         err = cmd.Run()
587                         if err != nil {
588                                 return 1
589                         }
590                         for _, cmdline := range [][]string{
591                                 {"mkdir", "-p", "log", "tmp", ".bundle", "/var/www/.gem", "/var/www/.bundle", "/var/www/.passenger"},
592                                 {"touch", "log/production.log"},
593                                 {"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"},
594                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/gem", "install", "--user", "--conservative", "--no-document", "bundler:" + bundlerversion},
595                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "install", "--deployment", "--jobs", "8", "--path", "/var/www/.gem", "--without", "development test diagnostics performance"},
596                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "build-native-support"},
597                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "install-standalone-runtime"},
598                         } {
599                                 cmd = exec.Command(cmdline[0], cmdline[1:]...)
600                                 cmd.Dir = "/var/lib/arvados/" + dstdir
601                                 cmd.Stdout = stdout
602                                 cmd.Stderr = stderr
603                                 fmt.Fprintf(stderr, "... %s\n", cmd.Args)
604                                 err = cmd.Run()
605                                 if err != nil {
606                                         return 1
607                                 }
608                         }
609                         cmd = exec.Command("sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "validate-install")
610                         cmd.Dir = "/var/lib/arvados/" + dstdir
611                         cmd.Stdout = stdout
612                         cmd.Stderr = stderr
613                         err = cmd.Run()
614                         if err != nil && !strings.Contains(err.Error(), "exit status 2") {
615                                 // Exit code 2 indicates there were warnings (like
616                                 // "other passenger installations have been detected",
617                                 // which we can't expect to avoid) but no errors.
618                                 // Other non-zero exit codes (1, 9) indicate errors.
619                                 return 1
620                         }
621                 }
622
623                 // Install workbench2 app to /var/lib/arvados/workbench2/
624                 if err = inst.runBash(`
625 cd /var/lib/arvados/arvados-workbench2
626 VERSION="`+inst.PackageVersion+`" BUILD_NUMBER=1 GIT_COMMIT="`+workbench2version[:9]+`" yarn build
627 rsync -a --delete-after build/ /var/lib/arvados/workbench2/
628 `, stdout, stderr); err != nil {
629                         return 1
630                 }
631
632                 err = os.WriteFile("/lib/systemd/system/arvados.service", arvadosServiceFile, 0777)
633                 if err != nil {
634                         return 1
635                 }
636                 // This is equivalent to "systemd enable", but does
637                 // not depend on the systemctl program being
638                 // available.
639                 symlink := "/etc/systemd/system/multi-user.target.wants/arvados.service"
640                 err = os.Remove(symlink)
641                 if err != nil && !errors.Is(err, os.ErrNotExist) {
642                         return 1
643                 }
644                 err = os.Symlink("/lib/systemd/system/arvados.service", symlink)
645                 if err != nil {
646                         return 1
647                 }
648         }
649
650         return 0
651 }
652
653 type osversion struct {
654         Debian bool
655         Ubuntu bool
656         Centos bool
657         Major  int
658 }
659
660 func identifyOS() (osversion, error) {
661         var osv osversion
662         f, err := os.Open("/etc/os-release")
663         if err != nil {
664                 return osv, err
665         }
666         defer f.Close()
667
668         kv := map[string]string{}
669         scanner := bufio.NewScanner(f)
670         for scanner.Scan() {
671                 line := strings.TrimSpace(scanner.Text())
672                 if strings.HasPrefix(line, "#") {
673                         continue
674                 }
675                 toks := strings.SplitN(line, "=", 2)
676                 if len(toks) != 2 {
677                         return osv, fmt.Errorf("invalid line in /etc/os-release: %q", line)
678                 }
679                 k := toks[0]
680                 v := strings.Trim(toks[1], `"`)
681                 if v == toks[1] {
682                         v = strings.Trim(v, `'`)
683                 }
684                 kv[k] = v
685         }
686         if err = scanner.Err(); err != nil {
687                 return osv, err
688         }
689         switch kv["ID"] {
690         case "ubuntu":
691                 osv.Ubuntu = true
692         case "debian":
693                 osv.Debian = true
694         case "centos":
695                 osv.Centos = true
696         default:
697                 return osv, fmt.Errorf("unsupported ID in /etc/os-release: %q", kv["ID"])
698         }
699         vstr := kv["VERSION_ID"]
700         if i := strings.Index(vstr, "."); i > 0 {
701                 vstr = vstr[:i]
702         }
703         osv.Major, err = strconv.Atoi(vstr)
704         if err != nil {
705                 return osv, fmt.Errorf("incomprehensible VERSION_ID in /etc/os-release: %q", kv["VERSION_ID"])
706         }
707         return osv, nil
708 }
709
710 func waitPostgreSQLReady() error {
711         for deadline := time.Now().Add(10 * time.Second); ; {
712                 output, err := exec.Command("pg_isready").CombinedOutput()
713                 if err == nil {
714                         return nil
715                 } else if time.Now().After(deadline) {
716                         return fmt.Errorf("timed out waiting for pg_isready (%q)", output)
717                 } else {
718                         time.Sleep(time.Second)
719                 }
720         }
721 }
722
723 func (inst *installCommand) runBash(script string, stdout, stderr io.Writer) error {
724         cmd := exec.Command("bash", "-")
725         if inst.EatMyData {
726                 cmd = exec.Command("eatmydata", "bash", "-")
727         }
728         cmd.Stdin = bytes.NewBufferString("set -ex -o pipefail\n" + script)
729         cmd.Stdout = stdout
730         cmd.Stderr = stderr
731         return cmd.Run()
732 }
733
734 func prodpkgs(osv osversion) []string {
735         pkgs := []string{
736                 "ca-certificates",
737                 "curl",
738                 "fuse",
739                 "git",
740                 "gitolite3",
741                 "graphviz",
742                 "haveged",
743                 "libcurl3-gnutls",
744                 "libxslt1.1",
745                 "nginx",
746                 "python",
747                 "sudo",
748         }
749         if osv.Debian || osv.Ubuntu {
750                 if osv.Debian && osv.Major == 8 {
751                         pkgs = append(pkgs, "libgnutls-deb0-28") // sdk/cwl
752                 } else if osv.Debian && osv.Major >= 10 || osv.Ubuntu && osv.Major >= 16 {
753                         pkgs = append(pkgs, "python3-distutils") // sdk/cwl
754                 }
755                 return append(pkgs,
756                         "g++",
757                         "libcurl4-openssl-dev", // services/api
758                         "libpq-dev",
759                         "libpython2.7", // services/fuse
760                         "mime-support", // keep-web
761                         "zlib1g-dev",   // services/api
762                 )
763         } else if osv.Centos {
764                 return append(pkgs,
765                         "fuse-libs", // services/fuse
766                         "gcc",
767                         "gcc-c++",
768                         "libcurl-devel",    // services/api
769                         "mailcap",          // keep-web
770                         "postgresql-devel", // services/api
771                 )
772         } else {
773                 panic("os version not supported")
774         }
775 }
776
777 func ProductionDependencies() ([]string, error) {
778         osv, err := identifyOS()
779         if err != nil {
780                 return nil, err
781         }
782         return prodpkgs(osv), nil
783 }