X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/ea6f25f0dde5c750eacea29662c19149c7800134..b53513423ab948804425424278ac554870864997:/lib/controller/integration_test.go

diff --git a/lib/controller/integration_test.go b/lib/controller/integration_test.go
index aad2c4775a..50cf89c0d4 100644
--- a/lib/controller/integration_test.go
+++ b/lib/controller/integration_test.go
@@ -7,45 +7,48 @@ package controller
 import (
 	"bytes"
 	"context"
+	"database/sql"
+	"encoding/json"
+	"fmt"
 	"io"
+	"io/ioutil"
 	"math"
 	"net"
-	"net/url"
+	"net/http"
 	"os"
+	"os/exec"
 	"path/filepath"
+	"strconv"
+	"strings"
+	"sync"
 
 	"git.arvados.org/arvados.git/lib/boot"
 	"git.arvados.org/arvados.git/lib/config"
-	"git.arvados.org/arvados.git/lib/controller/rpc"
-	"git.arvados.org/arvados.git/lib/service"
 	"git.arvados.org/arvados.git/sdk/go/arvados"
-	"git.arvados.org/arvados.git/sdk/go/arvadosclient"
-	"git.arvados.org/arvados.git/sdk/go/auth"
+	"git.arvados.org/arvados.git/sdk/go/arvadostest"
 	"git.arvados.org/arvados.git/sdk/go/ctxlog"
-	"git.arvados.org/arvados.git/sdk/go/keepclient"
+	"git.arvados.org/arvados.git/sdk/go/httpserver"
 	check "gopkg.in/check.v1"
 )
 
 var _ = check.Suite(&IntegrationSuite{})
 
-type testCluster struct {
-	super         boot.Supervisor
-	config        arvados.Config
-	controllerURL *url.URL
-}
-
 type IntegrationSuite struct {
-	testClusters map[string]*testCluster
+	testClusters map[string]*boot.TestCluster
+	oidcprovider *arvadostest.OIDCProvider
 }
 
 func (s *IntegrationSuite) SetUpSuite(c *check.C) {
-	if forceLegacyAPI14 {
-		c.Skip("heavy integration tests don't run with forceLegacyAPI14")
-		return
-	}
-
 	cwd, _ := os.Getwd()
-	s.testClusters = map[string]*testCluster{
+
+	s.oidcprovider = arvadostest.NewOIDCProvider(c)
+	s.oidcprovider.AuthEmail = "user@example.com"
+	s.oidcprovider.AuthEmailVerified = true
+	s.oidcprovider.AuthName = "Example User"
+	s.oidcprovider.ValidClientID = "clientid"
+	s.oidcprovider.ValidClientSecret = "clientsecret"
+
+	s.testClusters = map[string]*boot.TestCluster{
 		"z1111": nil,
 		"z2222": nil,
 		"z3333": nil,
@@ -73,8 +76,6 @@ func (s *IntegrationSuite) SetUpSuite(c *check.C) {
         ExternalURL: https://` + hostport[id] + `
     TLS:
       Insecure: true
-    Login:
-      LoginCluster: z1111
     SystemLogs:
       Format: text
     RemoteClusters:
@@ -84,114 +85,87 @@ func (s *IntegrationSuite) SetUpSuite(c *check.C) {
         Insecure: true
         Proxy: true
         ActivateUsers: true
-      z2222:
+`
+		if id != "z2222" {
+			yaml += `      z2222:
         Host: ` + hostport["z2222"] + `
         Scheme: https
         Insecure: true
         Proxy: true
         ActivateUsers: true
-      z3333:
+`
+		}
+		if id != "z3333" {
+			yaml += `      z3333:
         Host: ` + hostport["z3333"] + `
         Scheme: https
         Insecure: true
         Proxy: true
         ActivateUsers: true
 `
+		}
+		if id == "z1111" {
+			yaml += `
+    Login:
+      LoginCluster: z1111
+      OpenIDConnect:
+        Enable: true
+        Issuer: ` + s.oidcprovider.Issuer.URL + `
+        ClientID: ` + s.oidcprovider.ValidClientID + `
+        ClientSecret: ` + s.oidcprovider.ValidClientSecret + `
+        EmailClaim: email
+        EmailVerifiedClaim: email_verified
+        AcceptAccessToken: true
+        AcceptAccessTokenScope: ""
+`
+		} else {
+			yaml += `
+    Login:
+      LoginCluster: z1111
+`
+		}
+
 		loader := config.NewLoader(bytes.NewBufferString(yaml), ctxlog.TestLogger(c))
 		loader.Path = "-"
 		loader.SkipLegacy = true
 		loader.SkipAPICalls = true
 		cfg, err := loader.Load()
 		c.Assert(err, check.IsNil)
-		s.testClusters[id] = &testCluster{
-			super: boot.Supervisor{
-				SourcePath:           filepath.Join(cwd, "..", ".."),
-				ClusterType:          "test",
-				ListenHost:           "127.0.0." + id[3:],
-				ControllerAddr:       ":0",
-				OwnTemporaryDatabase: true,
-				Stderr:               &service.LogPrefixer{Writer: ctxlog.LogWriter(c.Log), Prefix: []byte("[" + id + "] ")},
-			},
-			config: *cfg,
-		}
-		s.testClusters[id].super.Start(context.Background(), &s.testClusters[id].config, "-")
+		tc := boot.NewTestCluster(
+			filepath.Join(cwd, "..", ".."),
+			id, cfg, "127.0.0."+id[3:], c.Log)
+		tc.Super.NoWorkbench1 = true
+		tc.Super.NoWorkbench2 = true
+		tc.Start()
+		s.testClusters[id] = tc
 	}
 	for _, tc := range s.testClusters {
-		au, ok := tc.super.WaitReady()
+		ok := tc.WaitReady()
 		c.Assert(ok, check.Equals, true)
-		u := url.URL(*au)
-		tc.controllerURL = &u
 	}
 }
 
 func (s *IntegrationSuite) TearDownSuite(c *check.C) {
 	for _, c := range s.testClusters {
-		c.super.Stop()
-	}
-}
-
-func (s *IntegrationSuite) conn(clusterID string) *rpc.Conn {
-	return rpc.NewConn(clusterID, s.testClusters[clusterID].controllerURL, true, rpc.PassthroughTokenProvider)
-}
-
-func (s *IntegrationSuite) clientsWithToken(clusterID string, token string) (context.Context, *arvados.Client, *keepclient.KeepClient) {
-	cl := s.testClusters[clusterID].config.Clusters[clusterID]
-	ctx := auth.NewContext(context.Background(), auth.NewCredentials(token))
-	ac, err := arvados.NewClientFromConfig(&cl)
-	if err != nil {
-		panic(err)
-	}
-	ac.AuthToken = token
-	arv, err := arvadosclient.New(ac)
-	if err != nil {
-		panic(err)
+		c.Super.Stop()
 	}
-	kc := keepclient.New(arv)
-	return ctx, ac, kc
 }
 
-func (s *IntegrationSuite) userClients(rootctx context.Context, c *check.C, conn *rpc.Conn, clusterID string, activate bool) (context.Context, *arvados.Client, *keepclient.KeepClient) {
-	login, err := conn.UserSessionCreate(rootctx, rpc.UserSessionCreateOptions{
-		ReturnTo: ",https://example.com",
-		AuthInfo: rpc.UserSessionAuthInfo{
-			Email:     "user@example.com",
-			FirstName: "Example",
-			LastName:  "User",
-			Username:  "example",
-		},
-	})
-	c.Assert(err, check.IsNil)
-	redirURL, err := url.Parse(login.RedirectLocation)
-	c.Assert(err, check.IsNil)
-	userToken := redirURL.Query().Get("api_token")
-	c.Logf("user token: %q", userToken)
-	ctx, ac, kc := s.clientsWithToken(clusterID, userToken)
-	user, err := conn.UserGetCurrent(ctx, arvados.GetOptions{})
-	c.Assert(err, check.IsNil)
-	_, err = conn.UserSetup(rootctx, arvados.UserSetupOptions{UUID: user.UUID})
+func (s *IntegrationSuite) TestDefaultStorageClassesOnCollections(c *check.C) {
+	conn := s.testClusters["z1111"].Conn()
+	rootctx, _, _ := s.testClusters["z1111"].RootClients()
+	userctx, _, kc, _ := s.testClusters["z1111"].UserClients(rootctx, c, conn, s.oidcprovider.AuthEmail, true)
+	c.Assert(len(kc.DefaultStorageClasses) > 0, check.Equals, true)
+	coll, err := conn.CollectionCreate(userctx, arvados.CreateOptions{})
 	c.Assert(err, check.IsNil)
-	if activate {
-		_, err = conn.UserActivate(rootctx, arvados.UserActivateOptions{UUID: user.UUID})
-		c.Assert(err, check.IsNil)
-		user, err = conn.UserGetCurrent(ctx, arvados.GetOptions{})
-		c.Assert(err, check.IsNil)
-		c.Logf("user UUID: %q", user.UUID)
-		if !user.IsActive {
-			c.Fatalf("failed to activate user -- %#v", user)
-		}
-	}
-	return ctx, ac, kc
-}
-
-func (s *IntegrationSuite) rootClients(clusterID string) (context.Context, *arvados.Client, *keepclient.KeepClient) {
-	return s.clientsWithToken(clusterID, s.testClusters[clusterID].config.Clusters[clusterID].SystemRootToken)
+	c.Assert(coll.StorageClassesDesired, check.DeepEquals, kc.DefaultStorageClasses)
 }
 
 func (s *IntegrationSuite) TestGetCollectionByPDH(c *check.C) {
-	conn1 := s.conn("z1111")
-	rootctx1, _, _ := s.rootClients("z1111")
-	conn3 := s.conn("z3333")
-	userctx1, ac1, kc1 := s.userClients(rootctx1, c, conn1, "z1111", true)
+	conn1 := s.testClusters["z1111"].Conn()
+	rootctx1, _, _ := s.testClusters["z1111"].RootClients()
+	conn3 := s.testClusters["z3333"].Conn()
+	userctx1, ac1, kc1, _ := s.testClusters["z1111"].UserClients(rootctx1, c, conn1, s.oidcprovider.AuthEmail, true)
 
 	// Create the collection to find its PDH (but don't save it
 	// anywhere yet)
@@ -225,51 +199,925 @@ func (s *IntegrationSuite) TestGetCollectionByPDH(c *check.C) {
 	c.Check(coll.PortableDataHash, check.Equals, pdh)
 }
 
+// Tests bug #18004
+func (s *IntegrationSuite) TestRemoteUserAndTokenCacheRace(c *check.C) {
+	conn1 := s.testClusters["z1111"].Conn()
+	rootctx1, _, _ := s.testClusters["z1111"].RootClients()
+	rootctx2, _, _ := s.testClusters["z2222"].RootClients()
+	conn2 := s.testClusters["z2222"].Conn()
+	userctx1, _, _, _ := s.testClusters["z1111"].UserClients(rootctx1, c, conn1, "user2@example.com", true)
+
+	var wg1, wg2 sync.WaitGroup
+	creqs := 100
+
+	// Make concurrent requests to z2222 with a local token to make sure more
+	// than one worker is listening.
+	wg1.Add(1)
+	for i := 0; i < creqs; i++ {
+		wg2.Add(1)
+		go func() {
+			defer wg2.Done()
+			wg1.Wait()
+			_, err := conn2.UserGetCurrent(rootctx2, arvados.GetOptions{})
+			c.Check(err, check.IsNil, check.Commentf("warm up phase failed"))
+		}()
+	}
+	wg1.Done()
+	wg2.Wait()
+
+	// Real test pass -- use a new remote token than the one used in the warm-up
+	// phase.
+	wg1.Add(1)
+	for i := 0; i < creqs; i++ {
+		wg2.Add(1)
+		go func() {
+			defer wg2.Done()
+			wg1.Wait()
+			// Retrieve the remote collection from cluster z2222.
+			_, err := conn2.UserGetCurrent(userctx1, arvados.GetOptions{})
+			c.Check(err, check.IsNil, check.Commentf("testing phase failed"))
+		}()
+	}
+	wg1.Done()
+	wg2.Wait()
+}
+
+func (s *IntegrationSuite) TestS3WithFederatedToken(c *check.C) {
+	if _, err := exec.LookPath("s3cmd"); err != nil {
+		c.Skip("s3cmd not in PATH")
+		return
+	}
+
+	testText := "IntegrationSuite.TestS3WithFederatedToken"
+
+	conn1 := s.testClusters["z1111"].Conn()
+	rootctx1, _, _ := s.testClusters["z1111"].RootClients()
+	userctx1, ac1, _, _ := s.testClusters["z1111"].UserClients(rootctx1, c, conn1, s.oidcprovider.AuthEmail, true)
+	conn3 := s.testClusters["z3333"].Conn()
+
+	createColl := func(clusterID string) arvados.Collection {
+		_, ac, kc := s.testClusters[clusterID].ClientsWithToken(ac1.AuthToken)
+		var coll arvados.Collection
+		fs, err := coll.FileSystem(ac, kc)
+		c.Assert(err, check.IsNil)
+		f, err := fs.OpenFile("test.txt", os.O_CREATE|os.O_RDWR, 0777)
+		c.Assert(err, check.IsNil)
+		_, err = io.WriteString(f, testText)
+		c.Assert(err, check.IsNil)
+		err = f.Close()
+		c.Assert(err, check.IsNil)
+		mtxt, err := fs.MarshalManifest(".")
+		c.Assert(err, check.IsNil)
+		coll, err = s.testClusters[clusterID].Conn().CollectionCreate(userctx1, arvados.CreateOptions{Attrs: map[string]interface{}{
+			"manifest_text": mtxt,
+		}})
+		c.Assert(err, check.IsNil)
+		return coll
+	}
+
+	for _, trial := range []struct {
+		clusterID string // create the collection on this cluster (then use z3333 to access it)
+		token     string
+	}{
+		// Try the hardest test first: z3333 hasn't seen
+		// z1111's token yet, and we're just passing the
+		// opaque secret part, so z3333 has to guess that it
+		// belongs to z1111.
+		{"z1111", strings.Split(ac1.AuthToken, "/")[2]},
+		{"z3333", strings.Split(ac1.AuthToken, "/")[2]},
+		{"z1111", strings.Replace(ac1.AuthToken, "/", "_", -1)},
+		{"z3333", strings.Replace(ac1.AuthToken, "/", "_", -1)},
+	} {
+		c.Logf("================ %v", trial)
+		coll := createColl(trial.clusterID)
+
+		cfgjson, err := conn3.ConfigGet(userctx1)
+		c.Assert(err, check.IsNil)
+		var cluster arvados.Cluster
+		err = json.Unmarshal(cfgjson, &cluster)
+		c.Assert(err, check.IsNil)
+
+		c.Logf("TokenV2 is %s", ac1.AuthToken)
+		host := cluster.Services.WebDAV.ExternalURL.Host
+		s3args := []string{
+			"--ssl", "--no-check-certificate",
+			"--host=" + host, "--host-bucket=" + host,
+			"--access_key=" + trial.token, "--secret_key=" + trial.token,
+		}
+		buf, err := exec.Command("s3cmd", append(s3args, "ls", "s3://"+coll.UUID)...).CombinedOutput()
+		c.Check(err, check.IsNil)
+		c.Check(string(buf), check.Matches, `.* `+fmt.Sprintf("%d", len(testText))+` +s3://`+coll.UUID+`/test.txt\n`)
+
+		buf, _ = exec.Command("s3cmd", append(s3args, "get", "s3://"+coll.UUID+"/test.txt", c.MkDir()+"/tmpfile")...).CombinedOutput()
+		// Command fails because we don't return Etag header.
+		flen := strconv.Itoa(len(testText))
+		c.Check(string(buf), check.Matches, `(?ms).*`+flen+` (bytes in|of `+flen+`).*`)
+	}
+}
+
+func (s *IntegrationSuite) TestGetCollectionAsAnonymous(c *check.C) {
+	conn1 := s.testClusters["z1111"].Conn()
+	conn3 := s.testClusters["z3333"].Conn()
+	rootctx1, rootac1, rootkc1 := s.testClusters["z1111"].RootClients()
+	anonctx3, anonac3, _ := s.testClusters["z3333"].AnonymousClients()
+
+	// Make sure anonymous token was set
+	c.Assert(anonac3.AuthToken, check.Not(check.Equals), "")
+
+	// Create the collection to find its PDH (but don't save it
+	// anywhere yet)
+	var coll1 arvados.Collection
+	fs1, err := coll1.FileSystem(rootac1, rootkc1)
+	c.Assert(err, check.IsNil)
+	f, err := fs1.OpenFile("test.txt", os.O_CREATE|os.O_RDWR, 0777)
+	c.Assert(err, check.IsNil)
+	_, err = io.WriteString(f, "IntegrationSuite.TestGetCollectionAsAnonymous")
+	c.Assert(err, check.IsNil)
+	err = f.Close()
+	c.Assert(err, check.IsNil)
+	mtxt, err := fs1.MarshalManifest(".")
+	c.Assert(err, check.IsNil)
+	pdh := arvados.PortableDataHash(mtxt)
+
+	// Save the collection on cluster z1111.
+	coll1, err = conn1.CollectionCreate(rootctx1, arvados.CreateOptions{Attrs: map[string]interface{}{
+		"manifest_text": mtxt,
+	}})
+	c.Assert(err, check.IsNil)
+
+	// Share it with the anonymous users group.
+	var outLink arvados.Link
+	err = rootac1.RequestAndDecode(&outLink, "POST", "/arvados/v1/links", nil,
+		map[string]interface{}{"link": map[string]interface{}{
+			"link_class": "permission",
+			"name":       "can_read",
+			"tail_uuid":  "z1111-j7d0g-anonymouspublic",
+			"head_uuid":  coll1.UUID,
+		},
+		})
+	c.Check(err, check.IsNil)
+
+	// Current user should be z3 anonymous user
+	outUser, err := anonac3.CurrentUser()
+	c.Check(err, check.IsNil)
+	c.Check(outUser.UUID, check.Equals, "z3333-tpzed-anonymouspublic")
+
+	// Get the token uuid
+	var outAuth arvados.APIClientAuthorization
+	err = anonac3.RequestAndDecode(&outAuth, "GET", "/arvados/v1/api_client_authorizations/current", nil, nil)
+	c.Check(err, check.IsNil)
+
+	// Make a v2 token of the z3 anonymous user, and use it on z1
+	_, anonac1, _ := s.testClusters["z1111"].ClientsWithToken(outAuth.TokenV2())
+	outUser2, err := anonac1.CurrentUser()
+	c.Check(err, check.IsNil)
+	// z3 anonymous user will be mapped to the z1 anonymous user
+	c.Check(outUser2.UUID, check.Equals, "z1111-tpzed-anonymouspublic")
+
+	// Retrieve the collection (which is on z1) using anonymous from cluster z3333.
+	coll, err := conn3.CollectionGet(anonctx3, arvados.GetOptions{UUID: coll1.UUID})
+	c.Check(err, check.IsNil)
+	c.Check(coll.PortableDataHash, check.Equals, pdh)
+}
+
+// z3333 should forward the locally-issued anonymous user token to its login
+// cluster z1111. That is no problem because the login cluster controller will
+// map any anonymous user token to its local anonymous user.
+//
+// This needs to work because wb1 has a tendency to slap the local anonymous
+// user token on every request as a reader_token, which gets folded into the
+// request token list controller.
+//
+// Use a z1111 user token and the anonymous token from z3333 passed in as a
+// reader_token to do a request on z3333, asking for the z1111 anonymous user
+// object. The request will be forwarded to the z1111 cluster. The presence of
+// the z3333 anonymous user token should not prohibit the request from being
+// forwarded.
+func (s *IntegrationSuite) TestForwardAnonymousTokenToLoginCluster(c *check.C) {
+	conn1 := s.testClusters["z1111"].Conn()
+	s.testClusters["z3333"].Conn()
+
+	rootctx1, _, _ := s.testClusters["z1111"].RootClients()
+	_, anonac3, _ := s.testClusters["z3333"].AnonymousClients()
+
+	// Make a user connection to z3333 (using a z1111 user, because that's the login cluster)
+	_, userac1, _, _ := s.testClusters["z3333"].UserClients(rootctx1, c, conn1, "user@example.com", true)
+
+	// Get the anonymous user token for z3333
+	var anon3Auth arvados.APIClientAuthorization
+	err := anonac3.RequestAndDecode(&anon3Auth, "GET", "/arvados/v1/api_client_authorizations/current", nil, nil)
+	c.Check(err, check.IsNil)
+
+	var userList arvados.UserList
+	where := make(map[string]string)
+	where["uuid"] = "z1111-tpzed-anonymouspublic"
+	err = userac1.RequestAndDecode(&userList, "GET", "/arvados/v1/users", nil,
+		map[string]interface{}{
+			"reader_tokens": []string{anon3Auth.TokenV2()},
+			"where":         where,
+		},
+	)
+	// The local z3333 anonymous token must be allowed to be forwarded to the login cluster
+	c.Check(err, check.IsNil)
+
+	userac1.AuthToken = "v2/z1111-gj3su-asdfasdfasdfasd/this-token-does-not-validate-so-anonymous-token-will-be-used-instead"
+	err = userac1.RequestAndDecode(&userList, "GET", "/arvados/v1/users", nil,
+		map[string]interface{}{
+			"reader_tokens": []string{anon3Auth.TokenV2()},
+			"where":         where,
+		},
+	)
+	c.Check(err, check.IsNil)
+}
+
+// Get a token from the login cluster (z1111), use it to submit a
+// container request on z2222.
+func (s *IntegrationSuite) TestCreateContainerRequestWithFedToken(c *check.C) {
+	conn1 := s.testClusters["z1111"].Conn()
+	rootctx1, _, _ := s.testClusters["z1111"].RootClients()
+	_, ac1, _, _ := s.testClusters["z1111"].UserClients(rootctx1, c, conn1, s.oidcprovider.AuthEmail, true)
+
+	// Use ac2 to get the discovery doc with a blank token, so the
+	// SDK doesn't magically pass the z1111 token to z2222 before
+	// we're ready to start our test.
+	_, ac2, _ := s.testClusters["z2222"].ClientsWithToken("")
+	var dd map[string]interface{}
+	err := ac2.RequestAndDecode(&dd, "GET", "discovery/v1/apis/arvados/v1/rest", nil, nil)
+	c.Assert(err, check.IsNil)
+
+	var (
+		body bytes.Buffer
+		req  *http.Request
+		resp *http.Response
+		u    arvados.User
+		cr   arvados.ContainerRequest
+	)
+	json.NewEncoder(&body).Encode(map[string]interface{}{
+		"container_request": map[string]interface{}{
+			"command":         []string{"echo"},
+			"container_image": "d41d8cd98f00b204e9800998ecf8427e+0",
+			"cwd":             "/",
+			"output_path":     "/",
+		},
+	})
+	ac2.AuthToken = ac1.AuthToken
+
+	c.Log("...post CR with good (but not yet cached) token")
+	cr = arvados.ContainerRequest{}
+	req, err = http.NewRequest("POST", "https://"+ac2.APIHost+"/arvados/v1/container_requests", bytes.NewReader(body.Bytes()))
+	c.Assert(err, check.IsNil)
+	req.Header.Set("Content-Type", "application/json")
+	err = ac2.DoAndDecode(&cr, req)
+	c.Assert(err, check.IsNil)
+	c.Logf("err == %#v", err)
+
+	c.Log("...get user with good token")
+	u = arvados.User{}
+	req, err = http.NewRequest("GET", "https://"+ac2.APIHost+"/arvados/v1/users/current", nil)
+	c.Assert(err, check.IsNil)
+	err = ac2.DoAndDecode(&u, req)
+	c.Check(err, check.IsNil)
+	c.Check(u.UUID, check.Matches, "z1111-tpzed-.*")
+
+	c.Log("...post CR with good cached token")
+	cr = arvados.ContainerRequest{}
+	req, err = http.NewRequest("POST", "https://"+ac2.APIHost+"/arvados/v1/container_requests", bytes.NewReader(body.Bytes()))
+	c.Assert(err, check.IsNil)
+	req.Header.Set("Content-Type", "application/json")
+	err = ac2.DoAndDecode(&cr, req)
+	c.Check(err, check.IsNil)
+	c.Check(cr.UUID, check.Matches, "z2222-.*")
+
+	c.Log("...post with good cached token ('OAuth2 ...')")
+	cr = arvados.ContainerRequest{}
+	req, err = http.NewRequest("POST", "https://"+ac2.APIHost+"/arvados/v1/container_requests", bytes.NewReader(body.Bytes()))
+	c.Assert(err, check.IsNil)
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("Authorization", "OAuth2 "+ac2.AuthToken)
+	resp, err = arvados.InsecureHTTPClient.Do(req)
+	c.Assert(err, check.IsNil)
+	err = json.NewDecoder(resp.Body).Decode(&cr)
+	c.Check(err, check.IsNil)
+	c.Check(cr.UUID, check.Matches, "z2222-.*")
+}
+
+func (s *IntegrationSuite) TestCreateContainerRequestWithBadToken(c *check.C) {
+	conn1 := s.testClusters["z1111"].Conn()
+	rootctx1, _, _ := s.testClusters["z1111"].RootClients()
+	_, ac1, _, au := s.testClusters["z1111"].UserClients(rootctx1, c, conn1, "user@example.com", true)
+
+	tests := []struct {
+		name         string
+		token        string
+		expectedCode int
+	}{
+		{"Good token", ac1.AuthToken, http.StatusOK},
+		{"Bogus token", "abcdef", http.StatusUnauthorized},
+		{"v1-looking token", "badtoken00badtoken00badtoken00badtoken00b", http.StatusUnauthorized},
+		{"v2-looking token", "v2/" + au.UUID + "/badtoken00badtoken00badtoken00badtoken00b", http.StatusUnauthorized},
+	}
+
+	body, _ := json.Marshal(map[string]interface{}{
+		"container_request": map[string]interface{}{
+			"command":         []string{"echo"},
+			"container_image": "d41d8cd98f00b204e9800998ecf8427e+0",
+			"cwd":             "/",
+			"output_path":     "/",
+		},
+	})
+
+	for _, tt := range tests {
+		c.Log(c.TestName() + " " + tt.name)
+		ac1.AuthToken = tt.token
+		req, err := http.NewRequest("POST", "https://"+ac1.APIHost+"/arvados/v1/container_requests", bytes.NewReader(body))
+		c.Assert(err, check.IsNil)
+		req.Header.Set("Content-Type", "application/json")
+		resp, err := ac1.Do(req)
+		c.Assert(err, check.IsNil)
+		c.Assert(resp.StatusCode, check.Equals, tt.expectedCode)
+	}
+}
+
+func (s *IntegrationSuite) TestRequestIDHeader(c *check.C) {
+	conn1 := s.testClusters["z1111"].Conn()
+	rootctx1, _, _ := s.testClusters["z1111"].RootClients()
+	userctx1, ac1, _, _ := s.testClusters["z1111"].UserClients(rootctx1, c, conn1, "user@example.com", true)
+
+	coll, err := conn1.CollectionCreate(userctx1, arvados.CreateOptions{})
+	c.Check(err, check.IsNil)
+	specimen, err := conn1.SpecimenCreate(userctx1, arvados.CreateOptions{})
+	c.Check(err, check.IsNil)
+
+	tests := []struct {
+		path            string
+		reqIdProvided   bool
+		notFoundRequest bool
+	}{
+		{"/arvados/v1/collections", false, false},
+		{"/arvados/v1/collections", true, false},
+		{"/arvados/v1/nonexistant", false, true},
+		{"/arvados/v1/nonexistant", true, true},
+		{"/arvados/v1/collections/" + coll.UUID, false, false},
+		{"/arvados/v1/collections/" + coll.UUID, true, false},
+		{"/arvados/v1/specimens/" + specimen.UUID, false, false},
+		{"/arvados/v1/specimens/" + specimen.UUID, true, false},
+		// new code path (lib/controller/router etc) - single-cluster request
+		{"/arvados/v1/collections/z1111-4zz18-0123456789abcde", false, true},
+		{"/arvados/v1/collections/z1111-4zz18-0123456789abcde", true, true},
+		// new code path (lib/controller/router etc) - federated request
+		{"/arvados/v1/collections/z2222-4zz18-0123456789abcde", false, true},
+		{"/arvados/v1/collections/z2222-4zz18-0123456789abcde", true, true},
+		// old code path (proxyRailsAPI) - single-cluster request
+		{"/arvados/v1/specimens/z1111-j58dm-0123456789abcde", false, true},
+		{"/arvados/v1/specimens/z1111-j58dm-0123456789abcde", true, true},
+		// old code path (setupProxyRemoteCluster) - federated request
+		{"/arvados/v1/workflows/z2222-7fd4e-0123456789abcde", false, true},
+		{"/arvados/v1/workflows/z2222-7fd4e-0123456789abcde", true, true},
+	}
+
+	for _, tt := range tests {
+		c.Log(c.TestName() + " " + tt.path)
+		req, err := http.NewRequest("GET", "https://"+ac1.APIHost+tt.path, nil)
+		c.Assert(err, check.IsNil)
+		customReqId := "abcdeG"
+		if !tt.reqIdProvided {
+			c.Assert(req.Header.Get("X-Request-Id"), check.Equals, "")
+		} else {
+			req.Header.Set("X-Request-Id", customReqId)
+		}
+		resp, err := ac1.Do(req)
+		c.Assert(err, check.IsNil)
+		if tt.notFoundRequest {
+			c.Check(resp.StatusCode, check.Equals, http.StatusNotFound)
+		} else {
+			c.Check(resp.StatusCode, check.Equals, http.StatusOK)
+		}
+		respHdr := resp.Header.Get("X-Request-Id")
+		if tt.reqIdProvided {
+			c.Check(respHdr, check.Equals, customReqId)
+		} else {
+			c.Check(respHdr, check.Matches, `req-[0-9a-zA-Z]{20}`)
+		}
+		if tt.notFoundRequest {
+			var jresp httpserver.ErrorResponse
+			err := json.NewDecoder(resp.Body).Decode(&jresp)
+			c.Check(err, check.IsNil)
+			c.Assert(jresp.Errors, check.HasLen, 1)
+			c.Check(jresp.Errors[0], check.Matches, `.*\(`+respHdr+`\).*`)
+		}
+	}
+}
+
+// We test the direct access to the database
+// normally an integration test would not have a database access, but in this case we need
+// to test tokens that are secret, so there is no API response that will give them back
+func (s *IntegrationSuite) dbConn(c *check.C, clusterID string) (*sql.DB, *sql.Conn) {
+	ctx := context.Background()
+	db, err := sql.Open("postgres", s.testClusters[clusterID].Super.Cluster().PostgreSQL.Connection.String())
+	c.Assert(err, check.IsNil)
+
+	conn, err := db.Conn(ctx)
+	c.Assert(err, check.IsNil)
+
+	rows, err := conn.ExecContext(ctx, `SELECT 1`)
+	c.Assert(err, check.IsNil)
+	n, err := rows.RowsAffected()
+	c.Assert(err, check.IsNil)
+	c.Assert(n, check.Equals, int64(1))
+	return db, conn
+}
+
+// TestRuntimeTokenInCR will test several different tokens in the runtime attribute
+// and check the expected results accessing directly to the database if needed.
+func (s *IntegrationSuite) TestRuntimeTokenInCR(c *check.C) {
+	db, dbconn := s.dbConn(c, "z1111")
+	defer db.Close()
+	defer dbconn.Close()
+	conn1 := s.testClusters["z1111"].Conn()
+	rootctx1, _, _ := s.testClusters["z1111"].RootClients()
+	userctx1, ac1, _, au := s.testClusters["z1111"].UserClients(rootctx1, c, conn1, "user@example.com", true)
+
+	tests := []struct {
+		name                 string
+		token                string
+		expectAToGetAValidCR bool
+		expectedToken        *string
+	}{
+		{"Good token z1111 user", ac1.AuthToken, true, &ac1.AuthToken},
+		{"Bogus token", "abcdef", false, nil},
+		{"v1-looking token", "badtoken00badtoken00badtoken00badtoken00b", false, nil},
+		{"v2-looking token", "v2/" + au.UUID + "/badtoken00badtoken00badtoken00badtoken00b", false, nil},
+	}
+
+	for _, tt := range tests {
+		c.Log(c.TestName() + " " + tt.name)
+
+		rq := map[string]interface{}{
+			"command":         []string{"echo"},
+			"container_image": "d41d8cd98f00b204e9800998ecf8427e+0",
+			"cwd":             "/",
+			"output_path":     "/",
+			"runtime_token":   tt.token,
+		}
+		cr, err := conn1.ContainerRequestCreate(userctx1, arvados.CreateOptions{Attrs: rq})
+		if tt.expectAToGetAValidCR {
+			c.Check(err, check.IsNil)
+			c.Check(cr, check.NotNil)
+			c.Check(cr.UUID, check.Not(check.Equals), "")
+		}
+
+		if tt.expectedToken == nil {
+			continue
+		}
+
+		c.Logf("cr.UUID: %s", cr.UUID)
+		row := dbconn.QueryRowContext(rootctx1, `SELECT runtime_token from container_requests where uuid=$1`, cr.UUID)
+		c.Check(row, check.NotNil)
+		var token sql.NullString
+		row.Scan(&token)
+		if c.Check(token.Valid, check.Equals, true) {
+			c.Check(token.String, check.Equals, *tt.expectedToken)
+		}
+	}
+}
+
+// TestIntermediateCluster will send a container request to
+// one cluster with another cluster as the destination
+// and check the tokens are being handled properly
+func (s *IntegrationSuite) TestIntermediateCluster(c *check.C) {
+	conn1 := s.testClusters["z1111"].Conn()
+	rootctx1, _, _ := s.testClusters["z1111"].RootClients()
+	uctx1, ac1, _, _ := s.testClusters["z1111"].UserClients(rootctx1, c, conn1, "user@example.com", true)
+
+	tests := []struct {
+		name                 string
+		token                string
+		expectedRuntimeToken string
+		expectedUUIDprefix   string
+	}{
+		{"Good token z1111 user sending a CR to z2222", ac1.AuthToken, "", "z2222-xvhdp-"},
+	}
+
+	for _, tt := range tests {
+		c.Log(c.TestName() + " " + tt.name)
+		rq := map[string]interface{}{
+			"command":         []string{"echo"},
+			"container_image": "d41d8cd98f00b204e9800998ecf8427e+0",
+			"cwd":             "/",
+			"output_path":     "/",
+			"runtime_token":   tt.token,
+		}
+		cr, err := conn1.ContainerRequestCreate(uctx1, arvados.CreateOptions{ClusterID: "z2222", Attrs: rq})
+
+		c.Check(err, check.IsNil)
+		c.Check(strings.HasPrefix(cr.UUID, tt.expectedUUIDprefix), check.Equals, true)
+		c.Check(cr.RuntimeToken, check.Equals, tt.expectedRuntimeToken)
+	}
+}
+
+// Test for #17785
+func (s *IntegrationSuite) TestFederatedApiClientAuthHandling(c *check.C) {
+	rootctx1, rootclnt1, _ := s.testClusters["z1111"].RootClients()
+	conn1 := s.testClusters["z1111"].Conn()
+
+	// Make sure LoginCluster is properly configured
+	for _, cls := range []string{"z1111", "z3333"} {
+		c.Check(
+			s.testClusters[cls].Config.Clusters[cls].Login.LoginCluster,
+			check.Equals, "z1111",
+			check.Commentf("incorrect LoginCluster config on cluster %q", cls))
+	}
+	// Get user's UUID & attempt to create a token for it on the remote cluster
+	_, _, _, user := s.testClusters["z1111"].UserClients(rootctx1, c, conn1,
+		"user@example.com", true)
+	_, rootclnt3, _ := s.testClusters["z3333"].ClientsWithToken(rootclnt1.AuthToken)
+	var resp arvados.APIClientAuthorization
+	err := rootclnt3.RequestAndDecode(
+		&resp, "POST", "arvados/v1/api_client_authorizations", nil,
+		map[string]interface{}{
+			"api_client_authorization": map[string]string{
+				"owner_uuid": user.UUID,
+			},
+		},
+	)
+	c.Assert(err, check.IsNil)
+	c.Assert(resp.APIClientID, check.Not(check.Equals), 0)
+	newTok := resp.TokenV2()
+	c.Assert(newTok, check.Not(check.Equals), "")
+
+	// Confirm the token is from z1111
+	c.Assert(strings.HasPrefix(newTok, "v2/z1111-gj3su-"), check.Equals, true)
+
+	// Confirm the token works and is from the correct user
+	_, rootclnt3bis, _ := s.testClusters["z3333"].ClientsWithToken(newTok)
+	var curUser arvados.User
+	err = rootclnt3bis.RequestAndDecode(
+		&curUser, "GET", "arvados/v1/users/current", nil, nil,
+	)
+	c.Assert(err, check.IsNil)
+	c.Assert(curUser.UUID, check.Equals, user.UUID)
+
+	// Request the ApiClientAuthorization list using the new token
+	_, userClient, _ := s.testClusters["z3333"].ClientsWithToken(newTok)
+	var acaLst arvados.APIClientAuthorizationList
+	err = userClient.RequestAndDecode(
+		&acaLst, "GET", "arvados/v1/api_client_authorizations", nil, nil,
+	)
+	c.Assert(err, check.IsNil)
+}
+
+// Test for bug #18076
+func (s *IntegrationSuite) TestStaleCachedUserRecord(c *check.C) {
+	rootctx1, _, _ := s.testClusters["z1111"].RootClients()
+	_, rootclnt3, _ := s.testClusters["z3333"].RootClients()
+	conn1 := s.testClusters["z1111"].Conn()
+	conn3 := s.testClusters["z3333"].Conn()
+
+	// Make sure LoginCluster is properly configured
+	for _, cls := range []string{"z1111", "z3333"} {
+		c.Check(
+			s.testClusters[cls].Config.Clusters[cls].Login.LoginCluster,
+			check.Equals, "z1111",
+			check.Commentf("incorrect LoginCluster config on cluster %q", cls))
+	}
+
+	for testCaseNr, testCase := range []struct {
+		name           string
+		withRepository bool
+	}{
+		{"User without local repository", false},
+		{"User with local repository", true},
+	} {
+		c.Log(c.TestName() + " " + testCase.name)
+		// Create some users, request them on the federated cluster so they're cached.
+		var users []arvados.User
+		for userNr := 0; userNr < 2; userNr++ {
+			_, _, _, user := s.testClusters["z1111"].UserClients(
+				rootctx1,
+				c,
+				conn1,
+				fmt.Sprintf("user%d%d@example.com", testCaseNr, userNr),
+				true)
+			c.Assert(user.Username, check.Not(check.Equals), "")
+			users = append(users, user)
+
+			lst, err := conn3.UserList(rootctx1, arvados.ListOptions{Limit: -1})
+			c.Assert(err, check.Equals, nil)
+			userFound := false
+			for _, fedUser := range lst.Items {
+				if fedUser.UUID == user.UUID {
+					c.Assert(fedUser.Username, check.Equals, user.Username)
+					userFound = true
+					break
+				}
+			}
+			c.Assert(userFound, check.Equals, true)
+
+			if testCase.withRepository {
+				var repo interface{}
+				err = rootclnt3.RequestAndDecode(
+					&repo, "POST", "arvados/v1/repositories", nil,
+					map[string]interface{}{
+						"repository": map[string]string{
+							"name":       fmt.Sprintf("%s/test", user.Username),
+							"owner_uuid": user.UUID,
+						},
+					},
+				)
+				c.Assert(err, check.IsNil)
+			}
+		}
+
+		// Swap the usernames
+		_, err := conn1.UserUpdate(rootctx1, arvados.UpdateOptions{
+			UUID: users[0].UUID,
+			Attrs: map[string]interface{}{
+				"username": "",
+			},
+		})
+		c.Assert(err, check.Equals, nil)
+		_, err = conn1.UserUpdate(rootctx1, arvados.UpdateOptions{
+			UUID: users[1].UUID,
+			Attrs: map[string]interface{}{
+				"username": users[0].Username,
+			},
+		})
+		c.Assert(err, check.Equals, nil)
+		_, err = conn1.UserUpdate(rootctx1, arvados.UpdateOptions{
+			UUID: users[0].UUID,
+			Attrs: map[string]interface{}{
+				"username": users[1].Username,
+			},
+		})
+		c.Assert(err, check.Equals, nil)
+
+		// Re-request the list on the federated cluster & check for updates
+		lst, err := conn3.UserList(rootctx1, arvados.ListOptions{Limit: -1})
+		c.Assert(err, check.Equals, nil)
+		var user0Found, user1Found bool
+		for _, user := range lst.Items {
+			if user.UUID == users[0].UUID {
+				user0Found = true
+				c.Assert(user.Username, check.Equals, users[1].Username)
+			} else if user.UUID == users[1].UUID {
+				user1Found = true
+				c.Assert(user.Username, check.Equals, users[0].Username)
+			}
+		}
+		c.Assert(user0Found, check.Equals, true)
+		c.Assert(user1Found, check.Equals, true)
+	}
+}
+
 // Test for bug #16263
 func (s *IntegrationSuite) TestListUsers(c *check.C) {
-	rootctx1, _, _ := s.rootClients("z1111")
-	conn1 := s.conn("z1111")
-	conn3 := s.conn("z3333")
+	rootctx1, _, _ := s.testClusters["z1111"].RootClients()
+	conn1 := s.testClusters["z1111"].Conn()
+	conn3 := s.testClusters["z3333"].Conn()
+	userctx1, _, _, _ := s.testClusters["z1111"].UserClients(rootctx1, c, conn1, s.oidcprovider.AuthEmail, true)
 
 	// Make sure LoginCluster is properly configured
 	for cls := range s.testClusters {
 		c.Check(
-			s.testClusters[cls].config.Clusters[cls].Login.LoginCluster,
+			s.testClusters[cls].Config.Clusters[cls].Login.LoginCluster,
 			check.Equals, "z1111",
 			check.Commentf("incorrect LoginCluster config on cluster %q", cls))
 	}
 	// Make sure z1111 has users with NULL usernames
-	lst, err := conn1.UserList(rootctx1, arvados.ListOptions{Limit: -1})
+	lst, err := conn1.UserList(rootctx1, arvados.ListOptions{
+		Limit: math.MaxInt64, // check that large limit works (see #16263)
+	})
 	nullUsername := false
 	c.Assert(err, check.IsNil)
 	c.Assert(len(lst.Items), check.Not(check.Equals), 0)
 	for _, user := range lst.Items {
 		if user.Username == "" {
 			nullUsername = true
+			break
 		}
 	}
 	c.Assert(nullUsername, check.Equals, true)
+
+	user1, err := conn1.UserGetCurrent(userctx1, arvados.GetOptions{})
+	c.Assert(err, check.IsNil)
+	c.Check(user1.IsActive, check.Equals, true)
+
 	// Ask for the user list on z3333 using z1111's system root token
-	_, err = conn3.UserList(rootctx1, arvados.ListOptions{Limit: -1})
-	c.Assert(err, check.IsNil, check.Commentf("getting user list: %q", err))
+	lst, err = conn3.UserList(rootctx1, arvados.ListOptions{Limit: -1})
+	c.Assert(err, check.IsNil)
+	found := false
+	for _, user := range lst.Items {
+		if user.UUID == user1.UUID {
+			c.Check(user.IsActive, check.Equals, true)
+			found = true
+			break
+		}
+	}
+	c.Check(found, check.Equals, true)
+
+	// Deactivate user acct on z1111
+	_, err = conn1.UserUnsetup(rootctx1, arvados.GetOptions{UUID: user1.UUID})
+	c.Assert(err, check.IsNil)
+
+	// Get user list from z3333, check the returned z1111 user is
+	// deactivated
+	lst, err = conn3.UserList(rootctx1, arvados.ListOptions{Limit: -1})
+	c.Assert(err, check.IsNil)
+	found = false
+	for _, user := range lst.Items {
+		if user.UUID == user1.UUID {
+			c.Check(user.IsActive, check.Equals, false)
+			found = true
+			break
+		}
+	}
+	c.Check(found, check.Equals, true)
+
+	// Deactivated user no longer has working token
+	user1, err = conn3.UserGetCurrent(userctx1, arvados.GetOptions{})
+	c.Assert(err, check.ErrorMatches, `.*401 Unauthorized.*`)
 }
 
-// Test for bug #16263
-func (s *IntegrationSuite) TestListUsersWithMaxLimit(c *check.C) {
-	rootctx1, _, _ := s.rootClients("z1111")
-	conn3 := s.conn("z3333")
-	maxLimit := int64(math.MaxInt64)
+func (s *IntegrationSuite) TestSetupUserWithVM(c *check.C) {
+	conn1 := s.testClusters["z1111"].Conn()
+	conn3 := s.testClusters["z3333"].Conn()
+	rootctx1, rootac1, _ := s.testClusters["z1111"].RootClients()
 
-	// Make sure LoginCluster is properly configured
-	for cls := range s.testClusters {
-		c.Check(
-			s.testClusters[cls].config.Clusters[cls].Login.LoginCluster,
-			check.Equals, "z1111",
-			check.Commentf("incorrect LoginCluster config on cluster %q", cls))
+	// Create user on LoginCluster z1111
+	_, _, _, user := s.testClusters["z1111"].UserClients(rootctx1, c, conn1, s.oidcprovider.AuthEmail, true)
+
+	// Make a new root token (because rootClients() uses SystemRootToken)
+	var outAuth arvados.APIClientAuthorization
+	err := rootac1.RequestAndDecode(&outAuth, "POST", "/arvados/v1/api_client_authorizations", nil, nil)
+	c.Check(err, check.IsNil)
+
+	// Make a v2 root token to communicate with z3333
+	rootctx3, rootac3, _ := s.testClusters["z3333"].ClientsWithToken(outAuth.TokenV2())
+
+	// Create VM on z3333
+	var outVM arvados.VirtualMachine
+	err = rootac3.RequestAndDecode(&outVM, "POST", "/arvados/v1/virtual_machines", nil,
+		map[string]interface{}{"virtual_machine": map[string]interface{}{
+			"hostname": "example",
+		},
+		})
+	c.Check(outVM.UUID[0:5], check.Equals, "z3333")
+	c.Check(err, check.IsNil)
+
+	// Make sure z3333 user list is up to date
+	_, err = conn3.UserList(rootctx3, arvados.ListOptions{Limit: 1000})
+	c.Check(err, check.IsNil)
+
+	// Try to set up user on z3333 with the VM
+	_, err = conn3.UserSetup(rootctx3, arvados.UserSetupOptions{UUID: user.UUID, VMUUID: outVM.UUID})
+	c.Check(err, check.IsNil)
+
+	var outLinks arvados.LinkList
+	err = rootac3.RequestAndDecode(&outLinks, "GET", "/arvados/v1/links", nil,
+		arvados.ListOptions{
+			Limit: 1000,
+			Filters: []arvados.Filter{
+				{
+					Attr:     "tail_uuid",
+					Operator: "=",
+					Operand:  user.UUID,
+				},
+				{
+					Attr:     "head_uuid",
+					Operator: "=",
+					Operand:  outVM.UUID,
+				},
+				{
+					Attr:     "name",
+					Operator: "=",
+					Operand:  "can_login",
+				},
+				{
+					Attr:     "link_class",
+					Operator: "=",
+					Operand:  "permission",
+				}}})
+	c.Check(err, check.IsNil)
+
+	c.Check(len(outLinks.Items), check.Equals, 1)
+}
+
+func (s *IntegrationSuite) TestOIDCAccessTokenAuth(c *check.C) {
+	conn1 := s.testClusters["z1111"].Conn()
+	rootctx1, _, _ := s.testClusters["z1111"].RootClients()
+	s.testClusters["z1111"].UserClients(rootctx1, c, conn1, s.oidcprovider.AuthEmail, true)
+
+	accesstoken := s.oidcprovider.ValidAccessToken()
+
+	for _, clusterID := range []string{"z1111", "z2222"} {
+
+		var coll arvados.Collection
+
+		// Write some file data and create a collection
+		{
+			c.Logf("save collection to %s", clusterID)
+
+			conn := s.testClusters[clusterID].Conn()
+			ctx, ac, kc := s.testClusters[clusterID].ClientsWithToken(accesstoken)
+
+			fs, err := coll.FileSystem(ac, kc)
+			c.Assert(err, check.IsNil)
+			f, err := fs.OpenFile("test.txt", os.O_CREATE|os.O_RDWR, 0777)
+			c.Assert(err, check.IsNil)
+			_, err = io.WriteString(f, "IntegrationSuite.TestOIDCAccessTokenAuth")
+			c.Assert(err, check.IsNil)
+			err = f.Close()
+			c.Assert(err, check.IsNil)
+			mtxt, err := fs.MarshalManifest(".")
+			c.Assert(err, check.IsNil)
+			coll, err = conn.CollectionCreate(ctx, arvados.CreateOptions{Attrs: map[string]interface{}{
+				"manifest_text": mtxt,
+			}})
+			c.Assert(err, check.IsNil)
+		}
+
+		// Read the collection & file data -- both from the
+		// cluster where it was created, and from the other
+		// cluster.
+		for _, readClusterID := range []string{"z1111", "z2222", "z3333"} {
+			c.Logf("retrieve %s from %s", coll.UUID, readClusterID)
+
+			conn := s.testClusters[readClusterID].Conn()
+			ctx, ac, kc := s.testClusters[readClusterID].ClientsWithToken(accesstoken)
+
+			user, err := conn.UserGetCurrent(ctx, arvados.GetOptions{})
+			c.Assert(err, check.IsNil)
+			c.Check(user.FullName, check.Equals, "Example User")
+			readcoll, err := conn.CollectionGet(ctx, arvados.GetOptions{UUID: coll.UUID})
+			c.Assert(err, check.IsNil)
+			c.Check(readcoll.ManifestText, check.Not(check.Equals), "")
+			fs, err := readcoll.FileSystem(ac, kc)
+			c.Assert(err, check.IsNil)
+			f, err := fs.Open("test.txt")
+			c.Assert(err, check.IsNil)
+			buf, err := ioutil.ReadAll(f)
+			c.Assert(err, check.IsNil)
+			c.Check(buf, check.DeepEquals, []byte("IntegrationSuite.TestOIDCAccessTokenAuth"))
+		}
 	}
+}
+
+// z3333 should not forward a locally-issued container runtime token,
+// associated with a z1111 user, to its login cluster z1111. z1111
+// would only call back to z3333 and then reject the response because
+// the user ID does not match the token prefix. See
+// dev.arvados.org/issues/18346
+func (s *IntegrationSuite) TestForwardRuntimeTokenToLoginCluster(c *check.C) {
+	db3, db3conn := s.dbConn(c, "z3333")
+	defer db3.Close()
+	defer db3conn.Close()
+	rootctx1, _, _ := s.testClusters["z1111"].RootClients()
+	rootctx3, _, _ := s.testClusters["z3333"].RootClients()
+	conn1 := s.testClusters["z1111"].Conn()
+	conn3 := s.testClusters["z3333"].Conn()
+	userctx1, _, _, _ := s.testClusters["z1111"].UserClients(rootctx1, c, conn1, "user@example.com", true)
+
+	user1, err := conn1.UserGetCurrent(userctx1, arvados.GetOptions{})
+	c.Assert(err, check.IsNil)
+	c.Logf("user1 %+v", user1)
+
+	imageColl, err := conn3.CollectionCreate(userctx1, arvados.CreateOptions{Attrs: map[string]interface{}{
+		"manifest_text": ". d41d8cd98f00b204e9800998ecf8427e+0 0:0:sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855.tar\n",
+	}})
+	c.Assert(err, check.IsNil)
+	c.Logf("imageColl %+v", imageColl)
+
+	cr, err := conn3.ContainerRequestCreate(userctx1, arvados.CreateOptions{Attrs: map[string]interface{}{
+		"state":           "Committed",
+		"command":         []string{"echo"},
+		"container_image": imageColl.PortableDataHash,
+		"cwd":             "/",
+		"output_path":     "/",
+		"priority":        1,
+		"runtime_constraints": arvados.RuntimeConstraints{
+			VCPUs: 1,
+			RAM:   1000000000,
+		},
+	}})
+	c.Assert(err, check.IsNil)
+	c.Logf("container request %+v", cr)
+	ctr, err := conn3.ContainerLock(rootctx3, arvados.GetOptions{UUID: cr.ContainerUUID})
+	c.Assert(err, check.IsNil)
+	c.Logf("container %+v", ctr)
+
+	// We could use conn3.ContainerAuth() here, but that API
+	// hasn't been added to sdk/go/arvados/api.go yet.
+	row := db3conn.QueryRowContext(context.Background(), `SELECT api_token from api_client_authorizations where uuid=$1`, ctr.AuthUUID)
+	c.Check(row, check.NotNil)
+	var val sql.NullString
+	row.Scan(&val)
+	c.Assert(val.Valid, check.Equals, true)
+	runtimeToken := "v2/" + ctr.AuthUUID + "/" + val.String
+	ctrctx, _, _ := s.testClusters["z3333"].ClientsWithToken(runtimeToken)
+	c.Logf("container runtime token %+v", runtimeToken)
 
-	// Ask for the user list on z3333 using z1111's system root token and
-	// limit: max int64 value.
-	_, err := conn3.UserList(rootctx1, arvados.ListOptions{Limit: maxLimit})
-	c.Assert(err, check.IsNil, check.Commentf("getting user list: %q", err))
+	_, err = conn3.UserGet(ctrctx, arvados.GetOptions{UUID: user1.UUID})
+	c.Assert(err, check.NotNil)
+	c.Check(err, check.ErrorMatches, `request failed: .* 401 Unauthorized: cannot use a locally issued token to forward a request to our login cluster \(z1111\)`)
+	c.Check(err, check.Not(check.ErrorMatches), `(?ms).*127\.0\.0\.11.*`)
 }