19099: Fix singularity config script.
[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      = "3.9.9"
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                 )
142         }
143
144         if dev || test || pkg {
145                 pkgs = append(pkgs,
146                         "automake",
147                         "bison",
148                         "bsdmainutils",
149                         "build-essential",
150                         "cadaver",
151                         "curl",
152                         "cython3",
153                         "default-jdk-headless",
154                         "default-jre-headless",
155                         "gettext",
156                         "libattr1-dev",
157                         "libcrypt-ssleay-perl",
158                         "libfuse-dev",
159                         "libgnutls28-dev",
160                         "libjson-perl",
161                         "libpam-dev",
162                         "libpcre3-dev",
163                         "libpq-dev",
164                         "libreadline-dev",
165                         "libssl-dev",
166                         "libwww-perl",
167                         "libxml2-dev",
168                         "libxslt1-dev",
169                         "linkchecker",
170                         "lsof",
171                         "make",
172                         "net-tools",
173                         "pandoc",
174                         "pkg-config",
175                         "postgresql",
176                         "postgresql-contrib",
177                         "python3-dev",
178                         "python3-venv",
179                         "python3-virtualenv",
180                         "r-base",
181                         "r-cran-testthat",
182                         "r-cran-devtools",
183                         "r-cran-knitr",
184                         "r-cran-markdown",
185                         "r-cran-roxygen2",
186                         "r-cran-xml",
187                         "rsync",
188                         "sudo",
189                         "uuid-dev",
190                         "wget",
191                         "xvfb",
192                 )
193                 if test {
194                         if osv.Debian && osv.Major <= 10 {
195                                 pkgs = append(pkgs, "iceweasel")
196                         } else {
197                                 pkgs = append(pkgs, "firefox")
198                         }
199                 }
200                 if dev || test {
201                         pkgs = append(pkgs, "squashfs-tools") // for singularity
202                 }
203                 switch {
204                 case osv.Debian && osv.Major >= 11:
205                         pkgs = append(pkgs, "libcurl4", "perl-modules-5.32")
206                 case osv.Debian && osv.Major >= 10:
207                         pkgs = append(pkgs, "libcurl4", "perl-modules")
208                 default:
209                         pkgs = append(pkgs, "libcurl3", "perl-modules")
210                 }
211                 cmd := exec.CommandContext(ctx, "apt-get")
212                 if inst.EatMyData {
213                         cmd = exec.CommandContext(ctx, "eatmydata", "apt-get")
214                 }
215                 cmd.Args = append(cmd.Args, "install", "--yes", "--no-install-recommends")
216                 cmd.Args = append(cmd.Args, pkgs...)
217                 cmd.Env = append(os.Environ(), "DEBIAN_FRONTEND=noninteractive")
218                 cmd.Stdout = stdout
219                 cmd.Stderr = stderr
220                 err = cmd.Run()
221                 if err != nil {
222                         return 1
223                 }
224         }
225
226         os.Mkdir("/var/lib/arvados", 0755)
227         os.Mkdir("/var/lib/arvados/tmp", 0700)
228         if prod || pkg {
229                 u, er := user.Lookup("www-data")
230                 if er != nil {
231                         err = fmt.Errorf("user.Lookup(%q): %w", "www-data", er)
232                         return 1
233                 }
234                 uid, _ := strconv.Atoi(u.Uid)
235                 gid, _ := strconv.Atoi(u.Gid)
236                 os.Mkdir("/var/lib/arvados/wwwtmp", 0700)
237                 err = os.Chown("/var/lib/arvados/wwwtmp", uid, gid)
238                 if err != nil {
239                         return 1
240                 }
241         }
242         rubymajorversion := rubyversion[:strings.LastIndex(rubyversion, ".")]
243         if haverubyversion, err := exec.Command("/var/lib/arvados/bin/ruby", "-v").CombinedOutput(); err == nil && bytes.HasPrefix(haverubyversion, []byte("ruby "+rubyversion)) {
244                 logger.Print("ruby " + rubyversion + " already installed")
245         } else {
246                 err = inst.runBash(`
247 tmp="$(mktemp -d)"
248 trap 'rm -r "${tmp}"' ERR EXIT
249 wget --progress=dot:giga -O- https://cache.ruby-lang.org/pub/ruby/`+rubymajorversion+`/ruby-`+rubyversion+`.tar.gz | tar -C "${tmp}" -xzf -
250 cd "${tmp}/ruby-`+rubyversion+`"
251 ./configure --disable-install-static-library --enable-shared --disable-install-doc --prefix /var/lib/arvados
252 make -j8
253 make install
254 /var/lib/arvados/bin/gem install bundler --no-document
255 `, stdout, stderr)
256                 if err != nil {
257                         return 1
258                 }
259         }
260
261         if !prod {
262                 if havegoversion, err := exec.Command("/usr/local/bin/go", "version").CombinedOutput(); err == nil && bytes.HasPrefix(havegoversion, []byte("go version go"+goversion+" ")) {
263                         logger.Print("go " + goversion + " already installed")
264                 } else {
265                         err = inst.runBash(`
266 cd /tmp
267 rm -rf /var/lib/arvados/go/
268 wget --progress=dot:giga -O- https://storage.googleapis.com/golang/go`+goversion+`.linux-amd64.tar.gz | tar -C /var/lib/arvados -xzf -
269 ln -sfv /var/lib/arvados/go/bin/* /usr/local/bin/
270 `, stdout, stderr)
271                         if err != nil {
272                                 return 1
273                         }
274                 }
275         }
276
277         if !prod && !pkg {
278                 if havepjsversion, err := exec.Command("/usr/local/bin/phantomjs", "--version").CombinedOutput(); err == nil && string(havepjsversion) == "1.9.8\n" {
279                         logger.Print("phantomjs " + pjsversion + " already installed")
280                 } else {
281                         err = inst.runBash(`
282 PJS=phantomjs-`+pjsversion+`-linux-x86_64
283 wget --progress=dot:giga -O- https://cache.arvados.org/$PJS.tar.bz2 | tar -C /var/lib/arvados -xjf -
284 ln -sfv /var/lib/arvados/$PJS/bin/phantomjs /usr/local/bin/
285 `, stdout, stderr)
286                         if err != nil {
287                                 return 1
288                         }
289                 }
290
291                 if havegeckoversion, err := exec.Command("/usr/local/bin/geckodriver", "--version").CombinedOutput(); err == nil && strings.Contains(string(havegeckoversion), " "+geckoversion+" ") {
292                         logger.Print("geckodriver " + geckoversion + " already installed")
293                 } else {
294                         err = inst.runBash(`
295 GD=v`+geckoversion+`
296 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
297 ln -sfv /var/lib/arvados/bin/geckodriver /usr/local/bin/
298 `, stdout, stderr)
299                         if err != nil {
300                                 return 1
301                         }
302                 }
303
304                 if havegradleversion, err := exec.Command("/usr/local/bin/gradle", "--version").CombinedOutput(); err == nil && strings.Contains(string(havegradleversion), "Gradle "+gradleversion+"\n") {
305                         logger.Print("gradle " + gradleversion + " already installed")
306                 } else {
307                         err = inst.runBash(`
308 G=`+gradleversion+`
309 zip=/var/lib/arvados/tmp/gradle-${G}-bin.zip
310 trap "rm ${zip}" ERR
311 wget --progress=dot:giga -O${zip} https://services.gradle.org/distributions/gradle-${G}-bin.zip
312 unzip -o -d /var/lib/arvados ${zip}
313 ln -sfv /var/lib/arvados/gradle-${G}/bin/gradle /usr/local/bin/
314 rm ${zip}
315 `, stdout, stderr)
316                         if err != nil {
317                                 return 1
318                         }
319                 }
320
321                 if havesingularityversion, err := exec.Command("/var/lib/arvados/bin/singularity", "--version").CombinedOutput(); err == nil && strings.Contains(string(havesingularityversion), singularityversion) {
322                         logger.Print("singularity " + singularityversion + " already installed")
323                 } else if dev || test {
324                         err = inst.runBash(`
325 S=`+singularityversion+`
326 tmp=/var/lib/arvados/tmp/singularity
327 trap "rm -r ${tmp}" ERR EXIT
328 cd /var/lib/arvados/tmp
329 git clone https://github.com/sylabs/singularity
330 cd singularity
331 git checkout v${S}
332 ./mconfig --prefix=/var/lib/arvados
333 make -C ./builddir
334 make -C ./builddir install
335 `, stdout, stderr)
336                         if err != nil {
337                                 return 1
338                         }
339                 }
340
341                 // Allow users in the "sudo" group to use
342                 // --network=bridge without --fakeroot. (Currently
343                 // tests use --fakeroot anyway.)
344                 err = inst.runBash(`
345 install /usr/bin/nsenter /var/lib/arvados/bin/nsenter
346 setcap "cap_sys_admin+pei cap_sys_chroot+pei" /var/lib/arvados/bin/nsenter
347 /var/lib/arvados/bin/singularity config global --set 'allow net networks' bridge
348 /var/lib/arvados/bin/singularity config global --set 'allow net groups' sudo
349 `, stdout, stderr)
350                 if err != nil {
351                         return 1
352                 }
353
354                 // The entry in /etc/locale.gen is "en_US.UTF-8"; once
355                 // it's installed, locale -a reports it as
356                 // "en_US.utf8".
357                 wantlocale := "en_US.UTF-8"
358                 if havelocales, err := exec.Command("locale", "-a").CombinedOutput(); err == nil && bytes.Contains(havelocales, []byte(strings.Replace(wantlocale+"\n", "UTF-", "utf", 1))) {
359                         logger.Print("locale " + wantlocale + " already installed")
360                 } else {
361                         err = inst.runBash(`sed -i 's/^# *\(`+wantlocale+`\)/\1/' /etc/locale.gen && locale-gen`, stdout, stderr)
362                         if err != nil {
363                                 return 1
364                         }
365                 }
366
367                 var pgc struct {
368                         Version       string
369                         Cluster       string
370                         Port          int
371                         Status        string
372                         Owner         string
373                         DataDirectory string
374                         LogFile       string
375                 }
376                 if pgLsclusters, err2 := exec.Command("pg_lsclusters", "--no-header").CombinedOutput(); err2 != nil {
377                         err = fmt.Errorf("pg_lsclusters: %s", err2)
378                         return 1
379                 } else if pgclusters := strings.Split(strings.TrimSpace(string(pgLsclusters)), "\n"); len(pgclusters) != 1 {
380                         logger.Warnf("pg_lsclusters returned %d postgresql clusters -- skipping postgresql initdb/startup, hope that's ok", len(pgclusters))
381                 } 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 {
382                         err = fmt.Errorf("error parsing pg_lsclusters output: %s", err)
383                         return 1
384                 } else if pgc.Status == "online" {
385                         logger.Infof("postgresql cluster %s-%s is online", pgc.Version, pgc.Cluster)
386                 } else {
387                         logger.Infof("postgresql cluster %s-%s is %s; trying to start", pgc.Version, pgc.Cluster, pgc.Status)
388                         cmd := exec.Command("pg_ctlcluster", "--foreground", pgc.Version, pgc.Cluster, "start")
389                         cmd.Stdout = stdout
390                         cmd.Stderr = stderr
391                         err = cmd.Start()
392                         if err != nil {
393                                 return 1
394                         }
395                         defer func() {
396                                 cmd.Process.Signal(syscall.SIGTERM)
397                                 logger.Info("sent SIGTERM; waiting for postgres to shut down")
398                                 cmd.Wait()
399                         }()
400                         err = waitPostgreSQLReady()
401                         if err != nil {
402                                 return 1
403                         }
404                 }
405
406                 if os.Getpid() == 1 {
407                         // We are the init process (presumably in a
408                         // docker container) so although postgresql is
409                         // installed, it's not running, and initdb
410                         // might never have been run.
411                 }
412
413                 var needcoll []string
414                 // If the en_US.UTF-8 locale wasn't installed when
415                 // postgresql initdb ran, it needs to be added
416                 // explicitly before we can use it in our test suite.
417                 for _, collname := range []string{"en_US", "en_US.UTF-8"} {
418                         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')")
419                         cmd.Dir = "/"
420                         out, err2 := cmd.CombinedOutput()
421                         if err != nil {
422                                 err = fmt.Errorf("error while checking postgresql collations: %s", err2)
423                                 return 1
424                         }
425                         if strings.Contains(string(out), "1") {
426                                 logger.Infof("postgresql supports collation %s", collname)
427                         } else {
428                                 needcoll = append(needcoll, collname)
429                         }
430                 }
431                 if len(needcoll) > 0 && os.Getpid() != 1 {
432                         // In order for the CREATE COLLATION statement
433                         // below to work, the locale must have existed
434                         // when PostgreSQL started up. If we're
435                         // running as init, we must have started
436                         // PostgreSQL ourselves after installing the
437                         // locales. Otherwise, it might need a
438                         // restart, so we attempt to restart it with
439                         // systemd.
440                         if err = inst.runBash(`sudo systemctl restart postgresql`, stdout, stderr); err != nil {
441                                 logger.Warn("`systemctl restart postgresql` failed; hoping postgresql does not need to be restarted")
442                         } else if err = waitPostgreSQLReady(); err != nil {
443                                 return 1
444                         }
445                 }
446                 for _, collname := range needcoll {
447                         cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "CREATE COLLATION \""+collname+"\" (LOCALE = \"en_US.UTF-8\")")
448                         cmd.Stdout = stdout
449                         cmd.Stderr = stderr
450                         cmd.Dir = "/"
451                         err = cmd.Run()
452                         if err != nil {
453                                 err = fmt.Errorf("error adding postgresql collation %s: %s", collname, err)
454                                 return 1
455                         }
456                 }
457
458                 withstuff := "WITH LOGIN SUPERUSER ENCRYPTED PASSWORD " + pq.QuoteLiteral(devtestDatabasePassword)
459                 cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "ALTER ROLE arvados "+withstuff)
460                 cmd.Dir = "/"
461                 if err := cmd.Run(); err == nil {
462                         logger.Print("arvados role exists; superuser privileges added, password updated")
463                 } else {
464                         cmd := exec.Command("sudo", "-u", "postgres", "psql", "-c", "CREATE ROLE arvados "+withstuff)
465                         cmd.Dir = "/"
466                         cmd.Stdout = stdout
467                         cmd.Stderr = stderr
468                         err = cmd.Run()
469                         if err != nil {
470                                 return 1
471                         }
472                 }
473         }
474
475         if !prod {
476                 if havenodejsversion, err := exec.Command("/usr/local/bin/node", "--version").CombinedOutput(); err == nil && string(havenodejsversion) == nodejsversion+"\n" {
477                         logger.Print("nodejs " + nodejsversion + " already installed")
478                 } else {
479                         err = inst.runBash(`
480 NJS=`+nodejsversion+`
481 wget --progress=dot:giga -O- https://nodejs.org/dist/${NJS}/node-${NJS}-linux-x64.tar.xz | sudo tar -C /var/lib/arvados -xJf -
482 ln -sfv /var/lib/arvados/node-${NJS}-linux-x64/bin/{node,npm} /usr/local/bin/
483 `, stdout, stderr)
484                         if err != nil {
485                                 return 1
486                         }
487                 }
488
489                 if haveyarnversion, err := exec.Command("/usr/local/bin/yarn", "--version").CombinedOutput(); err == nil && len(haveyarnversion) > 0 {
490                         logger.Print("yarn " + strings.TrimSpace(string(haveyarnversion)) + " already installed")
491                 } else {
492                         err = inst.runBash(`
493 npm install -g yarn
494 ln -sfv /var/lib/arvados/node-`+nodejsversion+`-linux-x64/bin/{yarn,yarnpkg} /usr/local/bin/
495 `, stdout, stderr)
496                         if err != nil {
497                                 return 1
498                         }
499                 }
500
501                 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" {
502                         logger.Print("workbench2 repo is already at " + workbench2version)
503                 } else {
504                         err = inst.runBash(`
505 V=`+workbench2version+`
506 cd /var/lib/arvados
507 if [[ ! -e arvados-workbench2 ]]; then
508   git clone https://git.arvados.org/arvados-workbench2.git
509   cd arvados-workbench2
510   git checkout $V
511 else
512   cd arvados-workbench2
513   if ! git checkout $V; then
514     git fetch
515     git checkout yarn.lock
516     git checkout $V
517   fi
518 fi
519 rm -rf build
520 `, stdout, stderr)
521                         if err != nil {
522                                 return 1
523                         }
524                 }
525
526                 if err = inst.runBash(`
527 cd /var/lib/arvados/arvados-workbench2
528 yarn install
529 `, stdout, stderr); err != nil {
530                         return 1
531                 }
532         }
533
534         if prod || pkg {
535                 // Install Go programs to /var/lib/arvados/bin/
536                 for _, srcdir := range []string{
537                         "cmd/arvados-client",
538                         "cmd/arvados-server",
539                         "services/crunch-dispatch-local",
540                         "services/crunch-dispatch-slurm",
541                         "services/health",
542                         "services/keep-balance",
543                         "services/keepstore",
544                         "services/ws",
545                 } {
546                         fmt.Fprintf(stderr, "building %s...\n", srcdir)
547                         cmd := exec.Command("go", "install", "-ldflags", "-X git.arvados.org/arvados.git/lib/cmd.version="+inst.PackageVersion+" -X main.version="+inst.PackageVersion+" -s -w")
548                         cmd.Env = append(cmd.Env, os.Environ()...)
549                         cmd.Env = append(cmd.Env, "GOBIN=/var/lib/arvados/bin")
550                         cmd.Dir = filepath.Join(inst.SourcePath, srcdir)
551                         cmd.Stdout = stdout
552                         cmd.Stderr = stderr
553                         err = cmd.Run()
554                         if err != nil {
555                                 return 1
556                         }
557                 }
558
559                 // Symlink user-facing Go programs /usr/bin/x ->
560                 // /var/lib/arvados/bin/x
561                 for _, prog := range []string{"arvados-client", "arvados-server"} {
562                         err = os.Remove("/usr/bin/" + prog)
563                         if err != nil && !errors.Is(err, os.ErrNotExist) {
564                                 return 1
565                         }
566                         err = os.Symlink("/var/lib/arvados/bin/"+prog, "/usr/bin/"+prog)
567                         if err != nil {
568                                 return 1
569                         }
570                 }
571
572                 // Copy assets from source tree to /var/lib/arvados/share
573                 cmd := exec.Command("install", "-v", "-t", "/var/lib/arvados/share", filepath.Join(inst.SourcePath, "sdk/python/tests/nginx.conf"))
574                 cmd.Stdout = stdout
575                 cmd.Stderr = stderr
576                 err = cmd.Run()
577                 if err != nil {
578                         return 1
579                 }
580
581                 // Install Rails apps to /var/lib/arvados/{railsapi,workbench1}/
582                 for dstdir, srcdir := range map[string]string{
583                         "railsapi":   "services/api",
584                         "workbench1": "apps/workbench",
585                 } {
586                         fmt.Fprintf(stderr, "building %s...\n", srcdir)
587                         cmd := exec.Command("rsync",
588                                 "-a", "--no-owner", "--no-group", "--delete-after", "--delete-excluded",
589                                 "--exclude", "/coverage",
590                                 "--exclude", "/log",
591                                 "--exclude", "/node_modules",
592                                 "--exclude", "/tmp",
593                                 "--exclude", "/public/assets",
594                                 "--exclude", "/vendor",
595                                 "--exclude", "/config/environments",
596                                 "./", "/var/lib/arvados/"+dstdir+"/")
597                         cmd.Dir = filepath.Join(inst.SourcePath, srcdir)
598                         cmd.Stdout = stdout
599                         cmd.Stderr = stderr
600                         err = cmd.Run()
601                         if err != nil {
602                                 return 1
603                         }
604                         for _, cmdline := range [][]string{
605                                 {"mkdir", "-p", "log", "public/assets", "tmp", "vendor", ".bundle", "/var/www/.bundle", "/var/www/.gem", "/var/www/.npm", "/var/www/.passenger"},
606                                 {"touch", "log/production.log"},
607                                 {"chown", "-R", "--from=root", "www-data:www-data", "/var/www/.bundle", "/var/www/.gem", "/var/www/.npm", "/var/www/.passenger", "log", "tmp", "vendor", ".bundle", "Gemfile.lock", "config.ru", "config/environment.rb"},
608                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/gem", "install", "--user", "--conservative", "--no-document", "bundler:" + bundlerversion},
609                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "install", "--deployment", "--jobs", "8", "--path", "/var/www/.gem", "--without", "development test diagnostics performance"},
610
611                                 {"chown", "www-data:www-data", ".", "public/assets"},
612                                 // {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "config", "set", "--local", "system", "true"},
613                                 {"sudo", "-u", "www-data", "ARVADOS_CONFIG=none", "RAILS_GROUPS=assets", "RAILS_ENV=production", "/var/lib/arvados/bin/bundle", "exec", "rake", "npm:install"},
614                                 {"sudo", "-u", "www-data", "ARVADOS_CONFIG=none", "RAILS_GROUPS=assets", "RAILS_ENV=production", "/var/lib/arvados/bin/bundle", "exec", "rake", "assets:precompile"},
615                                 {"chown", "root:root", "."},
616                                 {"chown", "-R", "root:root", "public/assets", "vendor"},
617
618                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "build-native-support"},
619                                 {"sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "install-standalone-runtime"},
620                         } {
621                                 if cmdline[len(cmdline)-2] == "rake" && dstdir != "workbench1" {
622                                         continue
623                                 }
624                                 cmd = exec.Command(cmdline[0], cmdline[1:]...)
625                                 cmd.Dir = "/var/lib/arvados/" + dstdir
626                                 cmd.Stdout = stdout
627                                 cmd.Stderr = stderr
628                                 fmt.Fprintf(stderr, "... %s\n", cmd.Args)
629                                 err = cmd.Run()
630                                 if err != nil {
631                                         return 1
632                                 }
633                         }
634                         cmd = exec.Command("sudo", "-u", "www-data", "/var/lib/arvados/bin/bundle", "exec", "passenger-config", "validate-install")
635                         cmd.Dir = "/var/lib/arvados/" + dstdir
636                         cmd.Stdout = stdout
637                         cmd.Stderr = stderr
638                         err = cmd.Run()
639                         if err != nil && !strings.Contains(err.Error(), "exit status 2") {
640                                 // Exit code 2 indicates there were warnings (like
641                                 // "other passenger installations have been detected",
642                                 // which we can't expect to avoid) but no errors.
643                                 // Other non-zero exit codes (1, 9) indicate errors.
644                                 return 1
645                         }
646                 }
647
648                 // Install workbench2 app to /var/lib/arvados/workbench2/
649                 if err = inst.runBash(`
650 cd /var/lib/arvados/arvados-workbench2
651 VERSION="`+inst.PackageVersion+`" BUILD_NUMBER=1 GIT_COMMIT="`+workbench2version[:9]+`" yarn build
652 rsync -a --delete-after build/ /var/lib/arvados/workbench2/
653 `, stdout, stderr); err != nil {
654                         return 1
655                 }
656
657                 err = os.WriteFile("/lib/systemd/system/arvados.service", arvadosServiceFile, 0777)
658                 if err != nil {
659                         return 1
660                 }
661                 // This is equivalent to "systemd enable", but does
662                 // not depend on the systemctl program being
663                 // available.
664                 symlink := "/etc/systemd/system/multi-user.target.wants/arvados.service"
665                 err = os.Remove(symlink)
666                 if err != nil && !errors.Is(err, os.ErrNotExist) {
667                         return 1
668                 }
669                 err = os.Symlink("/lib/systemd/system/arvados.service", symlink)
670                 if err != nil {
671                         return 1
672                 }
673         }
674
675         return 0
676 }
677
678 type osversion struct {
679         Debian bool
680         Ubuntu bool
681         Centos bool
682         Major  int
683 }
684
685 func identifyOS() (osversion, error) {
686         var osv osversion
687         f, err := os.Open("/etc/os-release")
688         if err != nil {
689                 return osv, err
690         }
691         defer f.Close()
692
693         kv := map[string]string{}
694         scanner := bufio.NewScanner(f)
695         for scanner.Scan() {
696                 line := strings.TrimSpace(scanner.Text())
697                 if strings.HasPrefix(line, "#") {
698                         continue
699                 }
700                 toks := strings.SplitN(line, "=", 2)
701                 if len(toks) != 2 {
702                         return osv, fmt.Errorf("invalid line in /etc/os-release: %q", line)
703                 }
704                 k := toks[0]
705                 v := strings.Trim(toks[1], `"`)
706                 if v == toks[1] {
707                         v = strings.Trim(v, `'`)
708                 }
709                 kv[k] = v
710         }
711         if err = scanner.Err(); err != nil {
712                 return osv, err
713         }
714         switch kv["ID"] {
715         case "ubuntu":
716                 osv.Ubuntu = true
717         case "debian":
718                 osv.Debian = true
719         case "centos":
720                 osv.Centos = true
721         default:
722                 return osv, fmt.Errorf("unsupported ID in /etc/os-release: %q", kv["ID"])
723         }
724         vstr := kv["VERSION_ID"]
725         if i := strings.Index(vstr, "."); i > 0 {
726                 vstr = vstr[:i]
727         }
728         osv.Major, err = strconv.Atoi(vstr)
729         if err != nil {
730                 return osv, fmt.Errorf("incomprehensible VERSION_ID in /etc/os-release: %q", kv["VERSION_ID"])
731         }
732         return osv, nil
733 }
734
735 func waitPostgreSQLReady() error {
736         for deadline := time.Now().Add(10 * time.Second); ; {
737                 output, err := exec.Command("pg_isready").CombinedOutput()
738                 if err == nil {
739                         return nil
740                 } else if time.Now().After(deadline) {
741                         return fmt.Errorf("timed out waiting for pg_isready (%q)", output)
742                 } else {
743                         time.Sleep(time.Second)
744                 }
745         }
746 }
747
748 func (inst *installCommand) runBash(script string, stdout, stderr io.Writer) error {
749         cmd := exec.Command("bash", "-")
750         if inst.EatMyData {
751                 cmd = exec.Command("eatmydata", "bash", "-")
752         }
753         cmd.Stdin = bytes.NewBufferString("set -ex -o pipefail\n" + script)
754         cmd.Stdout = stdout
755         cmd.Stderr = stderr
756         return cmd.Run()
757 }
758
759 func prodpkgs(osv osversion) []string {
760         pkgs := []string{
761                 "ca-certificates",
762                 "curl",
763                 "fuse",
764                 "git",
765                 "gitolite3",
766                 "graphviz",
767                 "haveged",
768                 "libcurl3-gnutls",
769                 "libxslt1.1",
770                 "nginx",
771                 "python",
772                 "sudo",
773         }
774         if osv.Debian || osv.Ubuntu {
775                 if osv.Debian && osv.Major == 8 {
776                         pkgs = append(pkgs, "libgnutls-deb0-28") // sdk/cwl
777                 } else if osv.Debian && osv.Major >= 10 || osv.Ubuntu && osv.Major >= 16 {
778                         pkgs = append(pkgs, "python3-distutils") // sdk/cwl
779                 }
780                 return append(pkgs,
781                         "g++",
782                         "libcurl4-openssl-dev", // services/api
783                         "libpq-dev",
784                         "libpython2.7", // services/fuse
785                         "mime-support", // keep-web
786                         "zlib1g-dev",   // services/api
787                 )
788         } else if osv.Centos {
789                 return append(pkgs,
790                         "fuse-libs", // services/fuse
791                         "gcc",
792                         "gcc-c++",
793                         "libcurl-devel",    // services/api
794                         "mailcap",          // keep-web
795                         "postgresql-devel", // services/api
796                 )
797         } else {
798                 panic("os version not supported")
799         }
800 }
801
802 func ProductionDependencies() ([]string, error) {
803         osv, err := identifyOS()
804         if err != nil {
805                 return nil, err
806         }
807         return prodpkgs(osv), nil
808 }