1 // Copyright (C) The Arvados Authors. All rights reserved.
3 // SPDX-License-Identifier: AGPL-3.0
19 "git.arvados.org/arvados.git/sdk/go/arvados"
22 // Run an Nginx process that proxies the supervisor's configured
23 // ExternalURLs to the appropriate InternalURLs.
24 type runNginx struct{}
26 func (runNginx) String() string {
30 func (runNginx) Run(ctx context.Context, fail func(error), super *Supervisor) error {
31 err := super.wait(ctx, createCertificates{})
35 vars := map[string]string{
36 "LISTENHOST": super.ListenHost,
37 "SSLCERT": filepath.Join(super.tempdir, "server.crt"),
38 "SSLKEY": filepath.Join(super.tempdir, "server.key"),
39 "ACCESSLOG": filepath.Join(super.tempdir, "nginx_access.log"),
40 "ERRORLOG": filepath.Join(super.tempdir, "nginx_error.log"),
41 "TMPDIR": super.wwwtempdir,
42 "ARVADOS_API_HOST": super.cluster.Services.Controller.ExternalURL.Host,
44 u := url.URL(super.cluster.Services.Controller.ExternalURL)
45 ctrlHost := u.Hostname()
46 if f, err := os.Open("/var/lib/acme/live/" + ctrlHost + "/privkey"); err == nil {
48 vars["SSLCERT"] = "/var/lib/acme/live/" + ctrlHost + "/cert"
49 vars["SSLKEY"] = "/var/lib/acme/live/" + ctrlHost + "/privkey"
51 for _, cmpt := range []struct {
55 {"CONTROLLER", super.cluster.Services.Controller},
56 {"KEEPWEB", super.cluster.Services.WebDAV},
57 {"KEEPWEBDL", super.cluster.Services.WebDAVDownload},
58 {"KEEPPROXY", super.cluster.Services.Keepproxy},
59 {"GIT", super.cluster.Services.GitHTTP},
60 {"HEALTH", super.cluster.Services.Health},
61 {"WORKBENCH1", super.cluster.Services.Workbench1},
62 {"WORKBENCH2", super.cluster.Services.Workbench2},
63 {"WS", super.cluster.Services.Websocket},
66 if len(cmpt.svc.InternalURLs) == 0 {
67 // We won't run this service, but we need an
68 // upstream port to write in our templated
69 // nginx config. Choose a port that will
70 // return 502 Bad Gateway.
72 } else if host, port, err = internalPort(cmpt.svc); err != nil {
73 return fmt.Errorf("%s internal port: %w (%v)", cmpt.varname, err, cmpt.svc)
74 } else if ok, err := addrIsLocal(net.JoinHostPort(host, port)); !ok || err != nil {
75 return fmt.Errorf("%s addrIsLocal() failed for host %q port %q: %v", cmpt.varname, host, port, err)
77 vars[cmpt.varname+"PORT"] = port
79 port, err = externalPort(cmpt.svc)
81 return fmt.Errorf("%s external port: %w (%v)", cmpt.varname, err, cmpt.svc)
83 listenAddr := net.JoinHostPort(super.ListenHost, port)
84 if ok, err := addrIsLocal(listenAddr); !ok || err != nil {
85 return fmt.Errorf("%s addrIsLocal(%q) failed: %w", cmpt.varname, listenAddr, err)
87 vars[cmpt.varname+"SSLPORT"] = port
89 var conftemplate string
90 if super.ClusterType == "production" {
91 conftemplate = "/var/lib/arvados/share/nginx.conf"
93 conftemplate = filepath.Join(super.SourcePath, "sdk", "python", "tests", "nginx.conf")
95 tmpl, err := ioutil.ReadFile(conftemplate)
99 conf := regexp.MustCompile(`{{.*?}}`).ReplaceAllStringFunc(string(tmpl), func(src string) string {
103 return vars[src[2:len(src)-2]]
105 conffile := filepath.Join(super.tempdir, "nginx.conf")
106 err = ioutil.WriteFile(conffile, []byte(conf), 0755)
111 if _, err := exec.LookPath(nginx); err != nil {
112 for _, dir := range []string{"/sbin", "/usr/sbin", "/usr/local/sbin"} {
113 if _, err = os.Stat(dir + "/nginx"); err == nil {
114 nginx = dir + "/nginx"
121 "-g", "error_log stderr info;",
122 "-g", "pid " + filepath.Join(super.wwwtempdir, "nginx.pid") + ";",
125 // Nginx ignores "user www-data;" when running as a non-root
126 // user... except that it causes it to ignore our other -g
127 // options. So we still have to decide for ourselves whether
129 if u, err := user.Current(); err != nil {
130 return fmt.Errorf("user.Current(): %w", err)
131 } else if u.Uid == "0" {
132 args = append([]string{"-g", "user www-data;"}, args...)
135 super.waitShutdown.Add(1)
137 defer super.waitShutdown.Done()
138 fail(super.RunProgram(ctx, ".", runOptions{}, nginx, args...))
140 // Choose one of the ports where Nginx should listen, and wait
141 // here until we can connect. If ExternalURL is https://foo (with no port) then we connect to "foo:https"
142 testurl := url.URL(super.cluster.Services.Controller.ExternalURL)
143 if testurl.Port() == "" {
144 testurl.Host = net.JoinHostPort(testurl.Host, testurl.Scheme)
146 return waitForConnect(ctx, testurl.Host)