1 // Copyright (C) The Arvados Authors. All rights reserved.
3 // SPDX-License-Identifier: AGPL-3.0
16 "git.arvados.org/arvados.git/lib/cmd"
17 "git.arvados.org/arvados.git/sdk/go/ctxlog"
18 "github.com/coreos/go-systemd/daemon"
21 var Command cmd.Handler = bootCommand{}
23 type supervisedTask interface {
24 // Execute the task. Run should return nil when the task is
25 // done enough to satisfy a dependency relationship (e.g., the
26 // service is running and ready). If the task starts a
27 // goroutine that fails after Run returns (e.g., the service
28 // shuts down), it should call fail().
29 Run(ctx context.Context, fail func(error), super *Supervisor) error
33 var errNeedConfigReload = errors.New("config changed, restart needed")
34 var errParseFlags = errors.New("error parsing command line arguments")
36 type bootCommand struct{}
38 func (bcmd bootCommand) RunCommand(prog string, args []string, stdin io.Reader, stdout, stderr io.Writer) int {
39 logger := ctxlog.New(stderr, "json", "info")
40 ctx := ctxlog.Context(context.Background(), logger)
42 err := bcmd.run(ctx, prog, args, stdin, stdout, stderr)
43 if err == errNeedConfigReload {
45 } else if err == errParseFlags {
47 } else if err != nil {
48 logger.WithError(err).Info("exiting")
56 func (bcmd bootCommand) run(ctx context.Context, prog string, args []string, stdin io.Reader, stdout, stderr io.Writer) error {
57 ctx, cancel := context.WithCancel(ctx)
62 logger: ctxlog.FromContext(ctx),
65 flags := flag.NewFlagSet(prog, flag.ContinueOnError)
66 versionFlag := flags.Bool("version", false, "Write version information to stdout and exit 0")
67 flags.StringVar(&super.ConfigPath, "config", "/etc/arvados/config.yml", "arvados config file `path`")
68 flags.StringVar(&super.SourcePath, "source", ".", "arvados source tree `directory`")
69 flags.StringVar(&super.ClusterType, "type", "production", "cluster `type`: development, test, or production")
70 flags.StringVar(&super.ListenHost, "listen-host", "127.0.0.1", "host name or interface address for internal services whose InternalURLs are not configured")
71 flags.StringVar(&super.ControllerAddr, "controller-address", ":0", "desired controller address, `host:port` or `:port`")
72 flags.BoolVar(&super.NoWorkbench1, "no-workbench1", true, "do not run workbench1")
73 flags.BoolVar(&super.NoWorkbench2, "no-workbench2", false, "do not run workbench2")
74 flags.BoolVar(&super.OwnTemporaryDatabase, "own-temporary-database", false, "bring up a postgres server and create a temporary database")
75 timeout := flags.Duration("timeout", 0, "maximum time to wait for cluster to be ready")
76 shutdown := flags.Bool("shutdown", false, "shut down when the cluster becomes ready")
77 if ok, code := cmd.ParseFlags(flags, prog, args, "", stderr); !ok {
83 } else if *versionFlag {
84 cmd.Version.RunCommand(prog, args, stdin, stdout, stderr)
86 } else if super.ClusterType != "development" && super.ClusterType != "test" && super.ClusterType != "production" {
87 return fmt.Errorf("cluster type must be 'development', 'test', or 'production'")
95 timer = time.AfterFunc(*timeout, super.Stop)
98 ok := super.WaitReady()
99 if timer != nil && !timer.Stop() {
100 return errors.New("boot timed out")
102 super.logger.Error("boot failed")
104 // Write each cluster's controller URL, id, and URL
105 // host:port to stdout. Nothing else goes to stdout,
106 // so this allows a calling script to determine when
107 // the cluster is ready to use, and the controller's
108 // host:port (which may have been dynamically assigned
109 // depending on config/options).
111 // Sort output by cluster ID for convenience.
113 for id := range super.Clusters() {
114 ids = append(ids, id)
117 for _, id := range ids {
118 cc := super.Cluster(id)
119 // Providing both scheme://host:port and
120 // host:port is redundant, but convenient.
121 fmt.Fprintln(stdout, cc.Services.Controller.ExternalURL, id, cc.Services.Controller.ExternalURL.Host)
123 // Write ".\n" to mark the end of the list of
124 // controllers, in case the caller doesn't already
125 // know how many clusters are coming up.
126 fmt.Fprintln(stdout, ".")
129 // Wait for children to exit. Don't report the
130 // ensuing "context cancelled" error, though:
131 // return nil to indicate successful startup.
133 fmt.Fprintln(stderr, "PASS - all services booted successfully")
137 if _, err := daemon.SdNotify(false, "READY=1"); err != nil {
138 super.logger.WithError(err).Errorf("error notifying init daemon")
140 // Wait for signal/crash + orderly shutdown