"fmt"
"os"
"path/filepath"
+ "runtime"
"strings"
+ "sync"
"git.arvados.org/arvados.git/sdk/go/arvados"
)
+// Don't trust "passenger-config" (or "bundle install") to handle
+// concurrent installs.
+var passengerInstallMutex sync.Mutex
+
+var railsEnv = []string{
+ "ARVADOS_RAILS_LOG_TO_STDOUT=1",
+ "ARVADOS_CONFIG_NOLEGACY=1", // don't load database.yml from source tree
+}
+
+// Install a Rails application's dependencies, including phusion
+// passenger.
type installPassenger struct {
- src string
- depends []bootTask
+ src string // path to app in source tree
+ varlibdir string // path to app (relative to /var/lib/arvados) in OS package: "railsapi" or "workbench1"
+ depends []supervisedTask
}
func (runner installPassenger) String() string {
- return "install " + runner.src
+ return "installPassenger:" + runner.src
}
-func (runner installPassenger) Run(ctx context.Context, fail func(error), boot *Booter) error {
- err := boot.wait(ctx, runner.depends...)
+func (runner installPassenger) Run(ctx context.Context, fail func(error), super *Supervisor) error {
+ if super.ClusterType == "production" {
+ // passenger has already been installed via package
+ return nil
+ }
+ err := super.wait(ctx, runner.depends...)
if err != nil {
return err
}
+
+ passengerInstallMutex.Lock()
+ defer passengerInstallMutex.Unlock()
+
+ appdir := runner.src
+ if super.ClusterType == "test" {
+ // In the multi-cluster test setup, if we run multiple
+ // Rails instances directly from the source tree, they
+ // step on one another's files in {source}/tmp, log,
+ // etc. So instead we copy the source directory into a
+ // temp dir and run the Rails app from there.
+ appdir = filepath.Join(super.tempdir, runner.varlibdir)
+ err = super.RunProgram(ctx, super.tempdir, runOptions{}, "mkdir", "-p", appdir)
+ if err != nil {
+ return err
+ }
+ err = super.RunProgram(ctx, filepath.Join(super.SourcePath, runner.src), runOptions{}, "rsync",
+ "-a", "--no-owner", "--no-group", "--delete-after", "--delete-excluded",
+ "--exclude", "/coverage",
+ "--exclude", "/log",
+ "--exclude", "/node_modules",
+ "--exclude", "/tmp",
+ "--exclude", "/public/assets",
+ "--exclude", "/vendor",
+ "--exclude", "/config/environments",
+ "./",
+ appdir+"/")
+ if err != nil {
+ return err
+ }
+ }
+
var buf bytes.Buffer
- err = boot.RunProgram(ctx, runner.src, &buf, nil, "gem", "list", "--details", "bundler")
+ err = super.RunProgram(ctx, appdir, runOptions{output: &buf}, "gem", "list", "--details", "bundler")
if err != nil {
return err
}
- for _, version := range []string{"1.11.0", "1.17.3", "2.0.2"} {
+ for _, version := range []string{"2.2.19"} {
if !strings.Contains(buf.String(), "("+version+")") {
- err = boot.RunProgram(ctx, runner.src, nil, nil, "gem", "install", "--user", "bundler:1.11", "bundler:1.17.3", "bundler:2.0.2")
+ err = super.RunProgram(ctx, appdir, runOptions{}, "gem", "install", "--user", "--conservative", "--no-document", "bundler:2.2.19")
if err != nil {
return err
}
break
}
}
- err = boot.RunProgram(ctx, runner.src, nil, nil, "bundle", "install", "--jobs", "4", "--path", filepath.Join(os.Getenv("HOME"), ".gem"))
+ err = super.RunProgram(ctx, appdir, runOptions{}, "bundle", "config", "--set", "local", "path", filepath.Join(os.Getenv("HOME"), ".gem"))
if err != nil {
return err
}
- err = boot.RunProgram(ctx, runner.src, nil, nil, "bundle", "exec", "passenger-config", "build-native-support")
+ err = super.RunProgram(ctx, appdir, runOptions{}, "bundle", "install", "--jobs", fmt.Sprintf("%d", runtime.NumCPU()))
if err != nil {
return err
}
- err = boot.RunProgram(ctx, runner.src, nil, nil, "bundle", "exec", "passenger-config", "install-standalone-runtime")
+ err = super.RunProgram(ctx, appdir, runOptions{}, "bundle", "exec", "passenger-config", "build-native-support")
if err != nil {
return err
}
- err = boot.RunProgram(ctx, runner.src, nil, nil, "bundle", "exec", "passenger-config", "validate-install")
+ err = super.RunProgram(ctx, appdir, runOptions{}, "bundle", "exec", "passenger-config", "install-standalone-runtime")
if err != nil {
return err
}
+ err = super.RunProgram(ctx, appdir, runOptions{}, "bundle", "exec", "passenger-config", "validate-install")
+ if err != nil && !strings.Contains(err.Error(), "exit status 2") {
+ // Exit code 2 indicates there were warnings (like
+ // "other passenger installations have been detected",
+ // which we can't expect to avoid) but no errors.
+ // Other non-zero exit codes (1, 9) indicate errors.
+ return err
+ }
return nil
}
type runPassenger struct {
- src string
- svc arvados.Service
- depends []bootTask
+ src string // path to app in source tree
+ varlibdir string // path to app (relative to /var/lib/arvados) in OS package: "railsapi" or "workbench1"
+ svc arvados.Service
+ depends []supervisedTask
}
func (runner runPassenger) String() string {
- _, basename := filepath.Split(runner.src)
- return basename
+ return "runPassenger:" + runner.src
}
-func (runner runPassenger) Run(ctx context.Context, fail func(error), boot *Booter) error {
- err := boot.wait(ctx, runner.depends...)
+func (runner runPassenger) Run(ctx context.Context, fail func(error), super *Supervisor) error {
+ err := super.wait(ctx, runner.depends...)
if err != nil {
return err
}
- port, err := internalPort(runner.svc)
+ host, port, err := internalPort(runner.svc)
if err != nil {
- return fmt.Errorf("bug: no InternalURLs for component %q: %v", runner, runner.svc.InternalURLs)
+ return fmt.Errorf("bug: no internalPort for %q: %v (%#v)", runner, err, runner.svc)
}
- err = boot.RunProgram(ctx, runner.src, nil, nil, "bundle", "exec", "passenger", "start", "-p", port)
- if err != nil {
- return err
+ var appdir string
+ switch super.ClusterType {
+ case "production":
+ appdir = "/var/lib/arvados/" + runner.varlibdir
+ case "test":
+ appdir = filepath.Join(super.tempdir, runner.varlibdir)
+ default:
+ appdir = runner.src
}
+ loglevel := "4"
+ if lvl, ok := map[string]string{
+ "debug": "5",
+ "info": "4",
+ "warn": "2",
+ "warning": "2",
+ "error": "1",
+ "fatal": "0",
+ "panic": "0",
+ }[super.cluster.SystemLogs.LogLevel]; ok {
+ loglevel = lvl
+ }
+ super.waitShutdown.Add(1)
+ go func() {
+ defer super.waitShutdown.Done()
+ cmdline := []string{
+ "bundle", "exec",
+ "passenger", "start",
+ "--address", host,
+ "--port", port,
+ "--log-level", loglevel,
+ "--no-friendly-error-pages",
+ "--disable-anonymous-telemetry",
+ "--disable-security-update-check",
+ "--no-compile-runtime",
+ "--no-install-runtime",
+ "--pid-file", filepath.Join(super.wwwtempdir, "passenger."+strings.Replace(appdir, "/", "_", -1)+".pid"),
+ }
+ opts := runOptions{
+ env: append([]string{
+ "TMPDIR=" + super.wwwtempdir,
+ }, railsEnv...),
+ }
+ if super.ClusterType == "production" {
+ opts.user = "www-data"
+ opts.env = append(opts.env, "HOME=/var/www")
+ } else {
+ // This would be desirable when changing uid
+ // too, but it fails because /dev/stderr is a
+ // symlink to a pty owned by root: "nginx:
+ // [emerg] open() "/dev/stderr" failed (13:
+ // Permission denied)"
+ cmdline = append(cmdline, "--log-file", "/dev/stderr")
+ }
+ err = super.RunProgram(ctx, appdir, opts, cmdline[0], cmdline[1:]...)
+ fail(err)
+ }()
return nil
}