X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/14d8cfa18f28586ad296e3e598d0a2a536be0613..e7c3a477fc4f75321671a6f601cc07a9180e4646:/lib/controller/localdb/container_gateway_test.go diff --git a/lib/controller/localdb/container_gateway_test.go b/lib/controller/localdb/container_gateway_test.go index 2717604201..f7310e8de1 100644 --- a/lib/controller/localdb/container_gateway_test.go +++ b/lib/controller/localdb/container_gateway_test.go @@ -5,6 +5,7 @@ package localdb import ( + "bytes" "context" "crypto/hmac" "crypto/sha256" @@ -12,14 +13,26 @@ import ( "io" "io/ioutil" "net" + "net/http" + "net/http/httptest" + "net/url" + "os" + "os/exec" + "path/filepath" + "strings" "time" - "git.arvados.org/arvados.git/lib/config" + "git.arvados.org/arvados.git/lib/controller/router" + "git.arvados.org/arvados.git/lib/controller/rpc" "git.arvados.org/arvados.git/lib/crunchrun" + "git.arvados.org/arvados.git/lib/ctrlctx" "git.arvados.org/arvados.git/sdk/go/arvados" + "git.arvados.org/arvados.git/sdk/go/arvadosclient" "git.arvados.org/arvados.git/sdk/go/arvadostest" "git.arvados.org/arvados.git/sdk/go/auth" "git.arvados.org/arvados.git/sdk/go/ctxlog" + "git.arvados.org/arvados.git/sdk/go/httpserver" + "git.arvados.org/arvados.git/sdk/go/keepclient" "golang.org/x/crypto/ssh" check "gopkg.in/check.v1" ) @@ -27,43 +40,68 @@ import ( var _ = check.Suite(&ContainerGatewaySuite{}) type ContainerGatewaySuite struct { - cluster *arvados.Cluster - localdb *Conn - ctx context.Context + localdbSuite + reqUUID string ctrUUID string + srv *httptest.Server gw *crunchrun.Gateway } -func (s *ContainerGatewaySuite) TearDownSuite(c *check.C) { - // Undo any changes/additions to the user database so they - // don't affect subsequent tests. - arvadostest.ResetEnv() - c.Check(arvados.NewClientFromEnv().RequestAndDecode(nil, "POST", "database/reset", nil, nil), check.IsNil) -} +func (s *ContainerGatewaySuite) SetUpTest(c *check.C) { + s.localdbSuite.SetUpTest(c) -func (s *ContainerGatewaySuite) SetUpSuite(c *check.C) { - cfg, err := config.NewLoader(nil, ctxlog.TestLogger(c)).Load() - c.Assert(err, check.IsNil) - s.cluster, err = cfg.GetCluster("") + cr, err := s.localdb.ContainerRequestCreate(s.userctx, arvados.CreateOptions{ + Attrs: map[string]interface{}{ + "command": []string{"echo", time.Now().Format(time.RFC3339Nano)}, + "container_count_max": 1, + "container_image": "arvados/apitestfixture:latest", + "cwd": "/tmp", + "environment": map[string]string{}, + "output_path": "/out", + "priority": 1, + "state": arvados.ContainerRequestStateCommitted, + "mounts": map[string]interface{}{ + "/out": map[string]interface{}{ + "kind": "tmp", + "capacity": 1000000, + }, + }, + "runtime_constraints": map[string]interface{}{ + "vcpus": 1, + "ram": 2, + }}}) c.Assert(err, check.IsNil) - s.localdb = NewConn(s.cluster) - s.ctx = auth.NewContext(context.Background(), &auth.Credentials{Tokens: []string{arvadostest.ActiveTokenV2}}) - - s.ctrUUID = arvadostest.QueuedContainerUUID + s.reqUUID = cr.UUID + s.ctrUUID = cr.ContainerUUID h := hmac.New(sha256.New, []byte(s.cluster.SystemRootToken)) fmt.Fprint(h, s.ctrUUID) authKey := fmt.Sprintf("%x", h.Sum(nil)) + rtr := router.New(s.localdb, router.Config{}) + s.srv = httptest.NewUnstartedServer(httpserver.AddRequestIDs(httpserver.LogRequests(rtr))) + s.srv.StartTLS() + // the test setup doesn't use lib/service so + // service.URLFromContext() returns nothing -- instead, this + // is how we advertise our internal URL and enable + // proxy-to-other-controller mode, + forceInternalURLForTest = &arvados.URL{Scheme: "https", Host: s.srv.Listener.Addr().String()} + ac := &arvados.Client{ + APIHost: s.srv.Listener.Addr().String(), + AuthToken: arvadostest.Dispatch1Token, + Insecure: true, + } s.gw = &crunchrun.Gateway{ ContainerUUID: s.ctrUUID, AuthSecret: authKey, Address: "localhost:0", Log: ctxlog.TestLogger(c), Target: crunchrun.GatewayTargetStub{}, + ArvadosClient: ac, } c.Assert(s.gw.Start(), check.IsNil) - rootctx := auth.NewContext(context.Background(), &auth.Credentials{Tokens: []string{s.cluster.SystemRootToken}}) + + rootctx := ctrlctx.NewWithToken(s.ctx, s.cluster, s.cluster.SystemRootToken) _, err = s.localdb.ContainerUpdate(rootctx, arvados.UpdateOptions{ UUID: s.ctrUUID, Attrs: map[string]interface{}{ @@ -75,15 +113,18 @@ func (s *ContainerGatewaySuite) SetUpSuite(c *check.C) { "state": arvados.ContainerStateRunning, "gateway_address": s.gw.Address}}) c.Assert(err, check.IsNil) -} -func (s *ContainerGatewaySuite) SetUpTest(c *check.C) { s.cluster.Containers.ShellAccess.Admin = true s.cluster.Containers.ShellAccess.User = true - _, err := arvadostest.DB(c, s.cluster).Exec(`update containers set interactive_session_started=$1 where uuid=$2`, false, s.ctrUUID) + _, err = s.db.Exec(`update containers set interactive_session_started=$1 where uuid=$2`, false, s.ctrUUID) c.Check(err, check.IsNil) } +func (s *ContainerGatewaySuite) TearDownTest(c *check.C) { + s.srv.Close() + s.localdbSuite.TearDownTest(c) +} + func (s *ContainerGatewaySuite) TestConfig(c *check.C) { for _, trial := range []struct { configAdmin bool @@ -103,7 +144,7 @@ func (s *ContainerGatewaySuite) TestConfig(c *check.C) { c.Logf("trial %#v", trial) s.cluster.Containers.ShellAccess.Admin = trial.configAdmin s.cluster.Containers.ShellAccess.User = trial.configUser - ctx := auth.NewContext(s.ctx, &auth.Credentials{Tokens: []string{trial.sendToken}}) + ctx := ctrlctx.NewWithToken(s.ctx, s.cluster, trial.sendToken) sshconn, err := s.localdb.ContainerSSH(ctx, arvados.ContainerSSHOptions{UUID: s.ctrUUID}) if trial.errorCode == 0 { if !c.Check(err, check.IsNil) { @@ -149,7 +190,7 @@ func (s *ContainerGatewaySuite) TestDirectTCP(c *check.C) { } c.Logf("connecting to %s", s.gw.Address) - sshconn, err := s.localdb.ContainerSSH(s.ctx, arvados.ContainerSSHOptions{UUID: s.ctrUUID}) + sshconn, err := s.localdb.ContainerSSH(s.userctx, arvados.ContainerSSHOptions{UUID: s.ctrUUID}) c.Assert(err, check.IsNil) c.Assert(sshconn.Conn, check.NotNil) defer sshconn.Conn.Close() @@ -185,9 +226,302 @@ func (s *ContainerGatewaySuite) TestDirectTCP(c *check.C) { } } +func (s *ContainerGatewaySuite) setupLogCollection(c *check.C) { + files := map[string]string{ + "stderr.txt": "hello world\n", + "a/b/c/d.html": "\n", + } + client := arvados.NewClientFromEnv() + ac, err := arvadosclient.New(client) + c.Assert(err, check.IsNil) + kc, err := keepclient.MakeKeepClient(ac) + c.Assert(err, check.IsNil) + cfs, err := (&arvados.Collection{}).FileSystem(client, kc) + c.Assert(err, check.IsNil) + for name, content := range files { + for i, ch := range name { + if ch == '/' { + err := cfs.Mkdir("/"+name[:i], 0777) + c.Assert(err, check.IsNil) + } + } + f, err := cfs.OpenFile("/"+name, os.O_CREATE|os.O_WRONLY, 0777) + c.Assert(err, check.IsNil) + f.Write([]byte(content)) + err = f.Close() + c.Assert(err, check.IsNil) + } + cfs.Sync() + s.gw.LogCollection = cfs +} + +func (s *ContainerGatewaySuite) saveLogAndCloseGateway(c *check.C) { + rootctx := ctrlctx.NewWithToken(s.ctx, s.cluster, s.cluster.SystemRootToken) + txt, err := s.gw.LogCollection.MarshalManifest(".") + c.Assert(err, check.IsNil) + coll, err := s.localdb.CollectionCreate(rootctx, arvados.CreateOptions{ + Attrs: map[string]interface{}{ + "manifest_text": txt, + }}) + c.Assert(err, check.IsNil) + _, err = s.localdb.ContainerUpdate(rootctx, arvados.UpdateOptions{ + UUID: s.ctrUUID, + Attrs: map[string]interface{}{ + "state": arvados.ContainerStateComplete, + "exit_code": 0, + "log": coll.PortableDataHash, + }}) + c.Assert(err, check.IsNil) + updatedReq, err := s.localdb.ContainerRequestGet(rootctx, arvados.GetOptions{UUID: s.reqUUID}) + c.Assert(err, check.IsNil) + c.Logf("container request log UUID is %s", updatedReq.LogUUID) + crLog, err := s.localdb.CollectionGet(rootctx, arvados.GetOptions{UUID: updatedReq.LogUUID, Select: []string{"manifest_text"}}) + c.Assert(err, check.IsNil) + c.Logf("collection log manifest:\n%s", crLog.ManifestText) + // Ensure localdb can't circumvent the keep-web proxy test by + // getting content from the container gateway. + s.gw.LogCollection = nil +} + +func (s *ContainerGatewaySuite) TestContainerRequestLogViaTunnel(c *check.C) { + forceProxyForTest = true + defer func() { forceProxyForTest = false }() + + s.gw = s.setupGatewayWithTunnel(c) + s.setupLogCollection(c) + + for _, broken := range []bool{false, true} { + c.Logf("broken=%v", broken) + + if broken { + delete(s.cluster.Services.Controller.InternalURLs, *forceInternalURLForTest) + } else { + s.cluster.Services.Controller.InternalURLs[*forceInternalURLForTest] = arvados.ServiceInstance{} + defer delete(s.cluster.Services.Controller.InternalURLs, *forceInternalURLForTest) + } + + r, err := http.NewRequestWithContext(s.userctx, "GET", "https://controller.example/arvados/v1/container_requests/"+s.reqUUID+"/log/"+s.ctrUUID+"/stderr.txt", nil) + c.Assert(err, check.IsNil) + r.Header.Set("Authorization", "Bearer "+arvadostest.ActiveTokenV2) + handler, err := s.localdb.ContainerRequestLog(s.userctx, arvados.ContainerLogOptions{ + UUID: s.reqUUID, + WebDAVOptions: arvados.WebDAVOptions{ + Method: "GET", + Header: r.Header, + Path: "/" + s.ctrUUID + "/stderr.txt", + }, + }) + if broken { + c.Check(err, check.ErrorMatches, `.*tunnel endpoint is invalid.*`) + continue + } + c.Check(err, check.IsNil) + c.Assert(handler, check.NotNil) + rec := httptest.NewRecorder() + handler.ServeHTTP(rec, r) + resp := rec.Result() + c.Check(resp.StatusCode, check.Equals, http.StatusOK) + buf, err := ioutil.ReadAll(resp.Body) + c.Check(err, check.IsNil) + c.Check(string(buf), check.Equals, "hello world\n") + } +} + +func (s *ContainerGatewaySuite) TestContainerRequestLogViaGateway(c *check.C) { + s.setupLogCollection(c) + s.testContainerRequestLog(c) +} + +func (s *ContainerGatewaySuite) TestContainerRequestLogViaKeepWeb(c *check.C) { + s.setupLogCollection(c) + s.saveLogAndCloseGateway(c) + s.testContainerRequestLog(c) +} + +func (s *ContainerGatewaySuite) testContainerRequestLog(c *check.C) { + for _, trial := range []struct { + method string + path string + header http.Header + unauthenticated bool + expectStatus int + expectBodyRe string + expectHeader http.Header + }{ + { + method: "GET", + path: s.ctrUUID + "/stderr.txt", + expectStatus: http.StatusOK, + expectBodyRe: "hello world\n", + expectHeader: http.Header{ + "Content-Type": {"text/plain; charset=utf-8"}, + }, + }, + { + method: "GET", + path: s.ctrUUID + "/stderr.txt", + header: http.Header{ + "Range": {"bytes=-6"}, + }, + expectStatus: http.StatusPartialContent, + expectBodyRe: "world\n", + expectHeader: http.Header{ + "Content-Type": {"text/plain; charset=utf-8"}, + "Content-Range": {"bytes 6-11/12"}, + }, + }, + { + method: "OPTIONS", + path: s.ctrUUID + "/stderr.txt", + expectStatus: http.StatusOK, + expectBodyRe: "", + expectHeader: http.Header{ + "Dav": {"1, 2"}, + "Allow": {"OPTIONS, LOCK, GET, HEAD, POST, DELETE, PROPPATCH, COPY, MOVE, UNLOCK, PROPFIND, PUT"}, + }, + }, + { + method: "OPTIONS", + path: s.ctrUUID + "/stderr.txt", + unauthenticated: true, + header: http.Header{ + "Access-Control-Request-Method": {"POST"}, + }, + expectStatus: http.StatusOK, + expectBodyRe: "", + expectHeader: http.Header{ + "Access-Control-Allow-Headers": {"Authorization, Content-Type, Range, Depth, Destination, If, Lock-Token, Overwrite, Timeout, Cache-Control"}, + "Access-Control-Allow-Methods": {"COPY, DELETE, GET, LOCK, MKCOL, MOVE, OPTIONS, POST, PROPFIND, PROPPATCH, PUT, RMCOL, UNLOCK"}, + "Access-Control-Allow-Origin": {"*"}, + "Access-Control-Max-Age": {"86400"}, + }, + }, + { + method: "PROPFIND", + path: s.ctrUUID + "/", + expectStatus: http.StatusMultiStatus, + expectBodyRe: `.*\Qstderr.txt\E.*>\n?`, + expectHeader: http.Header{ + "Content-Type": {"text/xml; charset=utf-8"}, + }, + }, + { + method: "PROPFIND", + path: s.ctrUUID, + expectStatus: http.StatusMultiStatus, + expectBodyRe: `.*\Qstderr.txt\E.*>\n?`, + expectHeader: http.Header{ + "Content-Type": {"text/xml; charset=utf-8"}, + }, + }, + { + method: "PROPFIND", + path: s.ctrUUID + "/a/b/c/", + expectStatus: http.StatusMultiStatus, + expectBodyRe: `.*\Qd.html\E.*>\n?`, + expectHeader: http.Header{ + "Content-Type": {"text/xml; charset=utf-8"}, + }, + }, + { + method: "GET", + path: s.ctrUUID + "/a/b/c/d.html", + expectStatus: http.StatusOK, + expectBodyRe: "\n", + expectHeader: http.Header{ + "Content-Type": {"text/html; charset=utf-8"}, + }, + }, + } { + c.Logf("trial %#v", trial) + ctx := s.userctx + if trial.unauthenticated { + ctx = auth.NewContext(context.Background(), auth.CredentialsFromRequest(&http.Request{URL: &url.URL{}, Header: http.Header{}})) + } + r, err := http.NewRequestWithContext(ctx, trial.method, "https://controller.example/arvados/v1/container_requests/"+s.reqUUID+"/log/"+trial.path, nil) + c.Assert(err, check.IsNil) + for k := range trial.header { + r.Header.Set(k, trial.header.Get(k)) + } + handler, err := s.localdb.ContainerRequestLog(ctx, arvados.ContainerLogOptions{ + UUID: s.reqUUID, + WebDAVOptions: arvados.WebDAVOptions{ + Method: trial.method, + Header: r.Header, + Path: "/" + trial.path, + }, + }) + c.Assert(err, check.IsNil) + c.Assert(handler, check.NotNil) + rec := httptest.NewRecorder() + handler.ServeHTTP(rec, r) + resp := rec.Result() + c.Check(resp.StatusCode, check.Equals, trial.expectStatus) + for k := range trial.expectHeader { + c.Check(resp.Header.Get(k), check.Equals, trial.expectHeader.Get(k)) + } + buf, err := ioutil.ReadAll(resp.Body) + c.Check(err, check.IsNil) + c.Check(string(buf), check.Matches, trial.expectBodyRe) + } +} + +func (s *ContainerGatewaySuite) TestContainerRequestLogViaCadaver(c *check.C) { + s.setupLogCollection(c) + + out := s.runCadaver(c, arvadostest.ActiveToken, "/arvados/v1/container_requests/"+s.reqUUID+"/log/"+s.ctrUUID, "ls") + c.Check(out, check.Matches, `(?ms).*stderr\.txt\s+12\s.*`) + c.Check(out, check.Matches, `(?ms).*a\s+0\s.*`) + + out = s.runCadaver(c, arvadostest.ActiveTokenV2, "/arvados/v1/container_requests/"+s.reqUUID+"/log/"+s.ctrUUID, "get stderr.txt") + c.Check(out, check.Matches, `(?ms).*Downloading .* to stderr\.txt: .* succeeded\..*`) + + s.saveLogAndCloseGateway(c) + + out = s.runCadaver(c, arvadostest.ActiveTokenV2, "/arvados/v1/container_requests/"+s.reqUUID+"/log/"+s.ctrUUID, "get stderr.txt") + c.Check(out, check.Matches, `(?ms).*Downloading .* to stderr\.txt: .* succeeded\..*`) +} + +func (s *ContainerGatewaySuite) runCadaver(c *check.C, password, path, stdin string) string { + // Replace s.srv with an HTTP server, otherwise cadaver will + // just fail on TLS cert verification. + s.srv.Close() + rtr := router.New(s.localdb, router.Config{}) + s.srv = httptest.NewUnstartedServer(httpserver.AddRequestIDs(httpserver.LogRequests(rtr))) + s.srv.Start() + + tempdir, err := ioutil.TempDir("", "localdb-test-") + c.Assert(err, check.IsNil) + defer os.RemoveAll(tempdir) + + cmd := exec.Command("cadaver", s.srv.URL+path) + if password != "" { + cmd.Env = append(os.Environ(), "HOME="+tempdir) + f, err := os.OpenFile(filepath.Join(tempdir, ".netrc"), os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0600) + c.Assert(err, check.IsNil) + _, err = fmt.Fprintf(f, "default login none password %s\n", password) + c.Assert(err, check.IsNil) + c.Assert(f.Close(), check.IsNil) + } + cmd.Stdin = bytes.NewBufferString(stdin) + cmd.Dir = tempdir + stdout, err := cmd.StdoutPipe() + c.Assert(err, check.Equals, nil) + cmd.Stderr = cmd.Stdout + c.Logf("cmd: %v", cmd.Args) + go cmd.Start() + + var buf bytes.Buffer + _, err = io.Copy(&buf, stdout) + c.Check(err, check.Equals, nil) + err = cmd.Wait() + c.Check(err, check.Equals, nil) + return buf.String() +} + func (s *ContainerGatewaySuite) TestConnect(c *check.C) { c.Logf("connecting to %s", s.gw.Address) - sshconn, err := s.localdb.ContainerSSH(s.ctx, arvados.ContainerSSHOptions{UUID: s.ctrUUID}) + sshconn, err := s.localdb.ContainerSSH(s.userctx, arvados.ContainerSSHOptions{UUID: s.ctrUUID}) c.Assert(err, check.IsNil) c.Assert(sshconn.Conn, check.NotNil) defer sshconn.Conn.Close() @@ -218,19 +552,155 @@ func (s *ContainerGatewaySuite) TestConnect(c *check.C) { case <-time.After(time.Second): c.Fail() } - ctr, err := s.localdb.ContainerGet(s.ctx, arvados.GetOptions{UUID: s.ctrUUID}) + ctr, err := s.localdb.ContainerGet(s.userctx, arvados.GetOptions{UUID: s.ctrUUID}) c.Check(err, check.IsNil) c.Check(ctr.InteractiveSessionStarted, check.Equals, true) } func (s *ContainerGatewaySuite) TestConnectFail(c *check.C) { c.Log("trying with no token") - ctx := auth.NewContext(context.Background(), &auth.Credentials{}) + ctx := ctrlctx.NewWithToken(s.ctx, s.cluster, "") _, err := s.localdb.ContainerSSH(ctx, arvados.ContainerSSHOptions{UUID: s.ctrUUID}) c.Check(err, check.ErrorMatches, `.* 401 .*`) c.Log("trying with anonymous token") - ctx = auth.NewContext(context.Background(), &auth.Credentials{Tokens: []string{arvadostest.AnonymousToken}}) + ctx = ctrlctx.NewWithToken(s.ctx, s.cluster, arvadostest.AnonymousToken) _, err = s.localdb.ContainerSSH(ctx, arvados.ContainerSSHOptions{UUID: s.ctrUUID}) c.Check(err, check.ErrorMatches, `.* 404 .*`) } + +func (s *ContainerGatewaySuite) TestCreateTunnel(c *check.C) { + // no AuthSecret + conn, err := s.localdb.ContainerGatewayTunnel(s.userctx, arvados.ContainerGatewayTunnelOptions{ + UUID: s.ctrUUID, + }) + c.Check(err, check.ErrorMatches, `authentication error`) + c.Check(conn.Conn, check.IsNil) + + // bogus AuthSecret + conn, err = s.localdb.ContainerGatewayTunnel(s.userctx, arvados.ContainerGatewayTunnelOptions{ + UUID: s.ctrUUID, + AuthSecret: "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", + }) + c.Check(err, check.ErrorMatches, `authentication error`) + c.Check(conn.Conn, check.IsNil) + + // good AuthSecret + conn, err = s.localdb.ContainerGatewayTunnel(s.userctx, arvados.ContainerGatewayTunnelOptions{ + UUID: s.ctrUUID, + AuthSecret: s.gw.AuthSecret, + }) + c.Check(err, check.IsNil) + c.Check(conn.Conn, check.NotNil) +} + +func (s *ContainerGatewaySuite) TestConnectThroughTunnelWithProxyOK(c *check.C) { + forceProxyForTest = true + defer func() { forceProxyForTest = false }() + s.cluster.Services.Controller.InternalURLs[*forceInternalURLForTest] = arvados.ServiceInstance{} + defer delete(s.cluster.Services.Controller.InternalURLs, *forceInternalURLForTest) + s.testConnectThroughTunnel(c, "") +} + +func (s *ContainerGatewaySuite) TestConnectThroughTunnelWithProxyError(c *check.C) { + forceProxyForTest = true + defer func() { forceProxyForTest = false }() + // forceInternalURLForTest will not be usable because it isn't + // listed in s.cluster.Services.Controller.InternalURLs + s.testConnectThroughTunnel(c, `.*tunnel endpoint is invalid.*`) +} + +func (s *ContainerGatewaySuite) TestConnectThroughTunnelNoProxyOK(c *check.C) { + s.testConnectThroughTunnel(c, "") +} + +func (s *ContainerGatewaySuite) setupGatewayWithTunnel(c *check.C) *crunchrun.Gateway { + rootctx := ctrlctx.NewWithToken(s.ctx, s.cluster, s.cluster.SystemRootToken) + // Until the tunnel starts up, set gateway_address to a value + // that can't work. We want to ensure the only way we can + // reach the gateway is through the tunnel. + tungw := &crunchrun.Gateway{ + ContainerUUID: s.ctrUUID, + AuthSecret: s.gw.AuthSecret, + Log: ctxlog.TestLogger(c), + Target: crunchrun.GatewayTargetStub{}, + ArvadosClient: s.gw.ArvadosClient, + UpdateTunnelURL: func(url string) { + c.Logf("UpdateTunnelURL(%q)", url) + gwaddr := "tunnel " + url + s.localdb.ContainerUpdate(rootctx, arvados.UpdateOptions{ + UUID: s.ctrUUID, + Attrs: map[string]interface{}{ + "gateway_address": gwaddr}}) + }, + } + c.Assert(tungw.Start(), check.IsNil) + + // We didn't supply an external hostname in the Address field, + // so Start() should assign a local address. + host, _, err := net.SplitHostPort(tungw.Address) + c.Assert(err, check.IsNil) + c.Check(host, check.Equals, "127.0.0.1") + + _, err = s.localdb.ContainerUpdate(rootctx, arvados.UpdateOptions{ + UUID: s.ctrUUID, + Attrs: map[string]interface{}{ + "state": arvados.ContainerStateRunning, + }}) + c.Assert(err, check.IsNil) + + for deadline := time.Now().Add(5 * time.Second); time.Now().Before(deadline); time.Sleep(time.Second / 2) { + ctr, err := s.localdb.ContainerGet(s.userctx, arvados.GetOptions{UUID: s.ctrUUID}) + c.Assert(err, check.IsNil) + c.Check(ctr.InteractiveSessionStarted, check.Equals, false) + c.Logf("ctr.GatewayAddress == %s", ctr.GatewayAddress) + if strings.HasPrefix(ctr.GatewayAddress, "tunnel ") { + break + } + } + return tungw +} + +func (s *ContainerGatewaySuite) testConnectThroughTunnel(c *check.C, expectErrorMatch string) { + s.setupGatewayWithTunnel(c) + c.Log("connecting to gateway through tunnel") + arpc := rpc.NewConn("", &url.URL{Scheme: "https", Host: s.gw.ArvadosClient.APIHost}, true, rpc.PassthroughTokenProvider) + sshconn, err := arpc.ContainerSSH(s.userctx, arvados.ContainerSSHOptions{UUID: s.ctrUUID}) + if expectErrorMatch != "" { + c.Check(err, check.ErrorMatches, expectErrorMatch) + return + } + c.Assert(err, check.IsNil) + c.Assert(sshconn.Conn, check.NotNil) + defer sshconn.Conn.Close() + + done := make(chan struct{}) + go func() { + defer close(done) + + // Receive text banner + buf := make([]byte, 12) + _, err := io.ReadFull(sshconn.Conn, buf) + c.Check(err, check.IsNil) + c.Check(string(buf), check.Equals, "SSH-2.0-Go\r\n") + + // Send text banner + _, err = sshconn.Conn.Write([]byte("SSH-2.0-Fake\r\n")) + c.Check(err, check.IsNil) + + // Receive binary + _, err = io.ReadFull(sshconn.Conn, buf[:4]) + c.Check(err, check.IsNil) + + // If we can get this far into an SSH handshake... + c.Logf("was able to read %x -- success, tunnel is working", buf[:4]) + }() + select { + case <-done: + case <-time.After(time.Second): + c.Fail() + } + ctr, err := s.localdb.ContainerGet(s.userctx, arvados.GetOptions{UUID: s.ctrUUID}) + c.Check(err, check.IsNil) + c.Check(ctr.InteractiveSessionStarted, check.Equals, true) +}