--- /dev/null
+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
+package boot
+
+import (
+ "bytes"
+ "context"
+ "crypto/rand"
+ "encoding/json"
+ "flag"
+ "fmt"
+ "io"
+ "io/ioutil"
+ "net"
+ "os"
+ "os/exec"
+ "os/signal"
+ "path/filepath"
+ "strings"
+ "sync"
+ "syscall"
+
+ "git.arvados.org/arvados.git/lib/cmd"
+ "git.arvados.org/arvados.git/lib/config"
+ "git.arvados.org/arvados.git/lib/controller"
+ "git.arvados.org/arvados.git/sdk/go/arvados"
+ "git.arvados.org/arvados.git/sdk/go/ctxlog"
+ "github.com/sirupsen/logrus"
+)
+
+var Command cmd.Handler = &bootCommand{}
+
+type bootCommand struct {
+ sourcePath string // e.g., /home/username/src/arvados
+ libPath string // e.g., /var/lib/arvados
+ clusterType string // e.g., production
+
+ stdout io.Writer
+ stderr io.Writer
+
+ setupRubyOnce sync.Once
+ setupRubyErr error
+ goMutex sync.Mutex
+}
+
+func (boot *bootCommand) RunCommand(prog string, args []string, stdin io.Reader, stdout, stderr io.Writer) int {
+ boot.stdout = stdout
+ boot.stderr = stderr
+ log := ctxlog.New(stderr, "json", "info")
+
+ var err error
+ defer func() {
+ if err != nil {
+ log.WithError(err).Info("exiting")
+ }
+ }()
+
+ flags := flag.NewFlagSet(prog, flag.ContinueOnError)
+ flags.SetOutput(stderr)
+ loader := config.NewLoader(stdin, log)
+ loader.SetupFlags(flags)
+ versionFlag := flags.Bool("version", false, "Write version information to stdout and exit 0")
+ flags.StringVar(&boot.sourcePath, "source", ".", "arvados source tree `directory`")
+ flags.StringVar(&boot.libPath, "lib", "/var/lib/arvados", "`directory` to install dependencies and library files")
+ flags.StringVar(&boot.clusterType, "type", "production", "cluster `type`: development, test, or production")
+ err = flags.Parse(args)
+ if err == flag.ErrHelp {
+ err = nil
+ return 0
+ } else if err != nil {
+ return 2
+ } else if *versionFlag {
+ return cmd.Version.RunCommand(prog, args, stdin, stdout, stderr)
+ } else if boot.clusterType != "development" && boot.clusterType != "test" && boot.clusterType != "production" {
+ err = fmt.Errorf("cluster type must be 'development', 'test', or 'production'")
+ return 2
+ }
+
+ cwd, err := os.Getwd()
+ if err != nil {
+ return 1
+ }
+ if !strings.HasPrefix(boot.sourcePath, "/") {
+ boot.sourcePath = filepath.Join(cwd, boot.sourcePath)
+ }
+ boot.sourcePath, err = filepath.EvalSymlinks(boot.sourcePath)
+ if err != nil {
+ return 1
+ }
+
+ loader.SkipAPICalls = true
+ cfg, err := loader.Load()
+ if err != nil {
+ return 1
+ }
+
+ tempdir, err := ioutil.TempDir("", "arvados-server-boot-")
+ if err != nil {
+ return 1
+ }
+ defer os.RemoveAll(tempdir)
+
+ // Fill in any missing config keys, and write the resulting
+ // config in the temp dir for child services to use.
+ autofillConfig(cfg, log)
+ conffile, err := os.OpenFile(filepath.Join(tempdir, "config.yml"), os.O_CREATE|os.O_WRONLY, 0777)
+ if err != nil {
+ return 1
+ }
+ defer conffile.Close()
+ err = json.NewEncoder(conffile).Encode(cfg)
+ if err != nil {
+ return 1
+ }
+ err = conffile.Close()
+ if err != nil {
+ return 1
+ }
+ os.Setenv("ARVADOS_CONFIG", conffile.Name())
+
+ os.Setenv("RAILS_ENV", boot.clusterType)
+
+ // Now that we have the config, replace the bootstrap logger
+ // with a new one according to the logging config.
+ cluster, err := cfg.GetCluster("")
+ if err != nil {
+ return 1
+ }
+ log = ctxlog.New(stderr, cluster.SystemLogs.Format, cluster.SystemLogs.LogLevel)
+ logger := log.WithFields(logrus.Fields{
+ "PID": os.Getpid(),
+ })
+ ctx := ctxlog.Context(context.Background(), logger)
+ ctx, cancel := context.WithCancel(ctx)
+ defer cancel()
+
+ ch := make(chan os.Signal)
+ signal.Notify(ch, syscall.SIGINT)
+ go func() {
+ for sig := range ch {
+ logger.WithField("signal", sig).Info("caught signal")
+ cancel()
+ }
+ }()
+
+ for _, dir := range []string{boot.libPath, filepath.Join(boot.libPath, "bin")} {
+ if _, err = os.Stat(filepath.Join(dir, ".")); os.IsNotExist(err) {
+ err = os.Mkdir(dir, 0755)
+ if err != nil {
+ return 1
+ }
+ } else if err != nil {
+ return 1
+ }
+ }
+ os.Setenv("PATH", filepath.Join(boot.libPath, "bin")+":"+os.Getenv("PATH"))
+
+ err = boot.installGoProgram(ctx, "cmd/arvados-server")
+ if err != nil {
+ return 1
+ }
+ for _, cmpt := range []component{
+ {name: "controller", svc: cluster.Services.Controller, cmdArgs: []string{"-config", conffile.Name()}, cmdHandler: controller.Command},
+ // {name: "dispatchcloud", cmdArgs: []string{"-config", conffile.Name()}, cmdHandler: dispatchcloud.Command},
+ {name: "railsAPI", svc: cluster.Services.RailsAPI, src: "services/api"},
+ } {
+ cmpt := cmpt
+ go func() {
+ logger.WithField("component", cmpt.name).Info("starting")
+ err := cmpt.Run(ctx, boot, stdout, stderr)
+ if err != nil {
+ logger.WithError(err).WithField("component", cmpt.name).Info("exited")
+ }
+ cancel()
+ }()
+ }
+ <-ctx.Done()
+ return 0
+}
+
+func (boot *bootCommand) installGoProgram(ctx context.Context, srcpath string) error {
+ boot.goMutex.Lock()
+ defer boot.goMutex.Unlock()
+ env := append([]string{"GOPATH=" + boot.libPath}, os.Environ()...)
+ return boot.RunProgram(ctx, filepath.Join(boot.sourcePath, srcpath), nil, env, "go", "install")
+}
+
+func (boot *bootCommand) setupRubyEnv() error {
+ boot.setupRubyOnce.Do(func() {
+ buf, err := exec.Command("gem", "env", "gempath").Output() // /var/lib/arvados/.gem/ruby/2.5.0/bin:...
+ if err != nil || len(buf) == 0 {
+ boot.setupRubyErr = fmt.Errorf("gem env gempath: %v", err)
+ }
+ gempath := string(bytes.Split(buf, []byte{':'})[0])
+ os.Setenv("PATH", gempath+"/bin:"+os.Getenv("PATH"))
+ os.Setenv("GEM_HOME", gempath)
+ os.Setenv("GEM_PATH", gempath)
+ })
+ return boot.setupRubyErr
+}
+
+func (boot *bootCommand) RunProgram(ctx context.Context, dir string, output io.Writer, env []string, prog string, args ...string) error {
+ cmdline := fmt.Sprintf("%s", append([]string{prog}, args...))
+ fmt.Fprintf(boot.stderr, "%s executing in %s\n", cmdline, dir)
+ cmd := exec.Command(prog, args...)
+ if output == nil {
+ cmd.Stdout = boot.stderr
+ } else {
+ cmd.Stdout = output
+ }
+ cmd.Stderr = boot.stderr
+ if strings.HasPrefix(dir, "/") {
+ cmd.Dir = dir
+ } else {
+ cmd.Dir = filepath.Join(boot.sourcePath, dir)
+ }
+ if env != nil {
+ cmd.Env = env
+ }
+ go func() {
+ <-ctx.Done()
+ cmd.Process.Signal(syscall.SIGINT)
+ }()
+ err := cmd.Run()
+ if err != nil {
+ return fmt.Errorf("%s: error: %v", cmdline, err)
+ }
+ return nil
+}
+
+type component struct {
+ name string
+ svc arvados.Service
+ cmdHandler cmd.Handler
+ cmdArgs []string
+ src string // source dir in arvados tree, e.g., "services/keepstore"
+}
+
+func (cmpt *component) Run(ctx context.Context, boot *bootCommand, stdout, stderr io.Writer) error {
+ fmt.Fprintf(stderr, "starting component %q\n", cmpt.name)
+ if cmpt.cmdHandler != nil {
+ exitcode := cmpt.cmdHandler.RunCommand(cmpt.name, cmpt.cmdArgs, bytes.NewBuffer(nil), stdout, stderr)
+ if exitcode != 0 {
+ return fmt.Errorf("exit code %d", exitcode)
+ }
+ return nil
+ }
+ if cmpt.src != "" {
+ port := "-"
+ for u := range cmpt.svc.InternalURLs {
+ if _, p, err := net.SplitHostPort(u.Host); err != nil {
+ return err
+ } else if p != "" {
+ port = p
+ } else if u.Scheme == "https" {
+ port = "443"
+ } else {
+ port = "80"
+ }
+ break
+ }
+ if port == "-" {
+ return fmt.Errorf("bug: no InternalURLs for component %q: %v", cmpt.name, cmpt.svc.InternalURLs)
+ }
+
+ err := boot.setupRubyEnv()
+ if err != nil {
+ return err
+ }
+ var buf bytes.Buffer
+ err = boot.RunProgram(ctx, cmpt.src, &buf, nil, "gem", "list", "--details", "bundler")
+ if err != nil {
+ return err
+ }
+ for _, version := range []string{"1.11.0", "1.17.3", "2.0.2"} {
+ if !strings.Contains(buf.String(), "("+version+")") {
+ err = boot.RunProgram(ctx, cmpt.src, nil, nil, "gem", "install", "--user", "bundler:1.11", "bundler:1.17.3", "bundler:2.0.2")
+ if err != nil {
+ return err
+ }
+ break
+ }
+ }
+ err = boot.RunProgram(ctx, cmpt.src, nil, nil, "bundle", "install", "--jobs", "4", "--path", filepath.Join(os.Getenv("HOME"), ".gem"))
+ if err != nil {
+ return err
+ }
+ err = boot.RunProgram(ctx, cmpt.src, nil, nil, "bundle", "exec", "passenger-config", "build-native-support")
+ if err != nil {
+ return err
+ }
+ err = boot.RunProgram(ctx, cmpt.src, nil, nil, "bundle", "exec", "passenger-config", "install-standalone-runtime")
+ if err != nil {
+ return err
+ }
+ err = boot.RunProgram(ctx, cmpt.src, nil, nil, "bundle", "exec", "passenger-config", "validate-install")
+ if err != nil {
+ return err
+ }
+ err = boot.RunProgram(ctx, cmpt.src, nil, nil, "bundle", "exec", "passenger", "start", "-p", port)
+ if err != nil {
+ return err
+ }
+ }
+ return fmt.Errorf("bug: component %q has nothing to run", cmpt.name)
+}
+
+func autofillConfig(cfg *arvados.Config, log logrus.FieldLogger) {
+ cluster, err := cfg.GetCluster("")
+ if err != nil {
+ panic(err)
+ }
+ port := 9000
+ for _, svc := range []*arvados.Service{
+ &cluster.Services.Controller,
+ &cluster.Services.DispatchCloud,
+ &cluster.Services.RailsAPI,
+ } {
+ if len(svc.InternalURLs) == 0 {
+ port++
+ svc.InternalURLs = map[arvados.URL]arvados.ServiceInstance{
+ arvados.URL{Scheme: "http", Host: fmt.Sprintf("localhost:%d", port)}: arvados.ServiceInstance{},
+ }
+ }
+ }
+ if cluster.Services.Controller.ExternalURL.Host == "" {
+ for k := range cluster.Services.Controller.InternalURLs {
+ cluster.Services.Controller.ExternalURL = k
+ }
+ }
+ if cluster.SystemRootToken == "" {
+ cluster.SystemRootToken = randomHexString(64)
+ }
+ if cluster.API.RailsSessionSecretToken == "" {
+ cluster.API.RailsSessionSecretToken = randomHexString(64)
+ }
+ if cluster.Collections.BlobSigningKey == "" {
+ cluster.Collections.BlobSigningKey = randomHexString(64)
+ }
+ cfg.Clusters[cluster.ClusterID] = *cluster
+}
+
+func randomHexString(chars int) string {
+ b := make([]byte, chars/2)
+ _, err := rand.Read(b)
+ if err != nil {
+ panic(err)
+ }
+ return fmt.Sprintf("%x", b)
+}
projects / arvados.git / commitdiff