lib/controller/integration_test.go

   1 // Copyright (C) The Arvados Authors. All rights reserved.
   2 //
   3 // SPDX-License-Identifier: AGPL-3.0
   4
   5 package controller
   6
   7 import (
   8         "bytes"
   9         "encoding/json"
  10         "fmt"
  11         "io"
  12         "io/ioutil"
  13         "math"
  14         "net"
  15         "net/http"
  16         "os"
  17         "os/exec"
  18         "path/filepath"
  19         "strconv"
  20         "strings"
  21
  22         "git.arvados.org/arvados.git/sdk/go/arvados"
  23         "git.arvados.org/arvados.git/sdk/go/arvadostest"
  24         check "gopkg.in/check.v1"
  25 )
  26
  27 var _ = check.Suite(&IntegrationSuite{})
  28
  29 type IntegrationSuite struct {
  30         testClusters map[string]*arvadostest.TestCluster
  31         oidcprovider *arvadostest.OIDCProvider
  32 }
  33
  34 func (s *IntegrationSuite) SetUpSuite(c *check.C) {
  35         if forceLegacyAPI14 {
  36                 c.Skip("heavy integration tests don't run with forceLegacyAPI14")
  37                 return
  38         }
  39
  40         cwd, _ := os.Getwd()
  41
  42         s.oidcprovider = arvadostest.NewOIDCProvider(c)
  43         s.oidcprovider.AuthEmail = "user@example.com"
  44         s.oidcprovider.AuthEmailVerified = true
  45         s.oidcprovider.AuthName = "Example User"
  46         s.oidcprovider.ValidClientID = "clientid"
  47         s.oidcprovider.ValidClientSecret = "clientsecret"
  48
  49         s.testClusters = map[string]*arvadostest.TestCluster{
  50                 "z1111": nil,
  51                 "z2222": nil,
  52                 "z3333": nil,
  53         }
  54         hostport := map[string]string{}
  55         for id := range s.testClusters {
  56                 hostport[id] = func() string {
  57                         // TODO: Instead of expecting random ports on
  58                         // 127.0.0.11, 22, 33 to be race-safe, try
  59                         // different 127.x.y.z until finding one that
  60                         // isn't in use.
  61                         ln, err := net.Listen("tcp", ":0")
  62                         c.Assert(err, check.IsNil)
  63                         ln.Close()
  64                         _, port, err := net.SplitHostPort(ln.Addr().String())
  65                         c.Assert(err, check.IsNil)
  66                         return "127.0.0." + id[3:] + ":" + port
  67                 }()
  68         }
  69         for id := range s.testClusters {
  70                 yaml := `Clusters:
  71   ` + id + `:
  72     Services:
  73       Controller:
  74         ExternalURL: https://` + hostport[id] + `
  75     TLS:
  76       Insecure: true
  77     Login:
  78       LoginCluster: z1111
  79     SystemLogs:
  80       Format: text
  81     RemoteClusters:
  82       z1111:
  83         Host: ` + hostport["z1111"] + `
  84         Scheme: https
  85         Insecure: true
  86         Proxy: true
  87         ActivateUsers: true
  88 `
  89                 if id != "z2222" {
  90                         yaml += `      z2222:
  91         Host: ` + hostport["z2222"] + `
  92         Scheme: https
  93         Insecure: true
  94         Proxy: true
  95         ActivateUsers: true
  96 `
  97                 }
  98                 if id != "z3333" {
  99                         yaml += `      z3333:
 100         Host: ` + hostport["z3333"] + `
 101         Scheme: https
 102         Insecure: true
 103         Proxy: true
 104         ActivateUsers: true
 105 `
 106                 }
 107                 if id == "z1111" {
 108                         yaml += `
 109     Login:
 110       LoginCluster: z1111
 111       OpenIDConnect:
 112         Enable: true
 113         Issuer: ` + s.oidcprovider.Issuer.URL + `
 114         ClientID: ` + s.oidcprovider.ValidClientID + `
 115         ClientSecret: ` + s.oidcprovider.ValidClientSecret + `
 116         EmailClaim: email
 117         EmailVerifiedClaim: email_verified
 118 `
 119                 } else {
 120                         yaml += `
 121     Login:
 122       LoginCluster: z1111
 123 `
 124                 }
 125
 126                 tc, err := arvadostest.NewTestCluster(
 127                         filepath.Join(cwd, "..", ".."),
 128                         id, yaml, "127.0.0."+id[3:], c.Log)
 129                 c.Assert(err, check.IsNil)
 130                 s.testClusters[id] = tc
 131                 s.testClusters[id].Start()
 132         }
 133         for _, tc := range s.testClusters {
 134                 ok := tc.WaitReady()
 135                 c.Assert(ok, check.Equals, true)
 136         }
 137 }
 138
 139 func (s *IntegrationSuite) TearDownSuite(c *check.C) {
 140         for _, c := range s.testClusters {
 141                 c.Super.Stop()
 142         }
 143 }
 144
 145 func (s *IntegrationSuite) TestGetCollectionByPDH(c *check.C) {
 146         conn1 := s.testClusters["z1111"].Conn()
 147         rootctx1, _, _ := s.testClusters["z1111"].RootClients()
 148         conn3 := s.testClusters["z3333"].Conn()
 149         userctx1, ac1, kc1, _ := s.testClusters["z1111"].UserClients(rootctx1, c, conn1, s.oidcprovider.AuthEmail, true)
 150
 151         // Create the collection to find its PDH (but don't save it
 152         // anywhere yet)
 153         var coll1 arvados.Collection
 154         fs1, err := coll1.FileSystem(ac1, kc1)
 155         c.Assert(err, check.IsNil)
 156         f, err := fs1.OpenFile("test.txt", os.O_CREATE|os.O_RDWR, 0777)
 157         c.Assert(err, check.IsNil)
 158         _, err = io.WriteString(f, "IntegrationSuite.TestGetCollectionByPDH")
 159         c.Assert(err, check.IsNil)
 160         err = f.Close()
 161         c.Assert(err, check.IsNil)
 162         mtxt, err := fs1.MarshalManifest(".")
 163         c.Assert(err, check.IsNil)
 164         pdh := arvados.PortableDataHash(mtxt)
 165
 166         // Looking up the PDH before saving returns 404 if cycle
 167         // detection is working.
 168         _, err = conn1.CollectionGet(userctx1, arvados.GetOptions{UUID: pdh})
 169         c.Assert(err, check.ErrorMatches, `.*404 Not Found.*`)
 170
 171         // Save the collection on cluster z1111.
 172         coll1, err = conn1.CollectionCreate(userctx1, arvados.CreateOptions{Attrs: map[string]interface{}{
 173                 "manifest_text": mtxt,
 174         }})
 175         c.Assert(err, check.IsNil)
 176
 177         // Retrieve the collection from cluster z3333.
 178         coll, err := conn3.CollectionGet(userctx1, arvados.GetOptions{UUID: pdh})
 179         c.Check(err, check.IsNil)
 180         c.Check(coll.PortableDataHash, check.Equals, pdh)
 181 }
 182
 183 func (s *IntegrationSuite) TestS3WithFederatedToken(c *check.C) {
 184         if _, err := exec.LookPath("s3cmd"); err != nil {
 185                 c.Skip("s3cmd not in PATH")
 186                 return
 187         }
 188
 189         testText := "IntegrationSuite.TestS3WithFederatedToken"
 190
 191         conn1 := s.testClusters["z1111"].Conn()
 192         rootctx1, _, _ := s.testClusters["z1111"].RootClients()
 193         userctx1, ac1, _, _ := s.testClusters["z1111"].UserClients(rootctx1, c, conn1, s.oidcprovider.AuthEmail, true)
 194         conn3 := s.testClusters["z3333"].Conn()
 195
 196         createColl := func(clusterID string) arvados.Collection {
 197                 _, ac, kc := s.testClusters[clusterID].ClientsWithToken(ac1.AuthToken)
 198                 var coll arvados.Collection
 199                 fs, err := coll.FileSystem(ac, kc)
 200                 c.Assert(err, check.IsNil)
 201                 f, err := fs.OpenFile("test.txt", os.O_CREATE|os.O_RDWR, 0777)
 202                 c.Assert(err, check.IsNil)
 203                 _, err = io.WriteString(f, testText)
 204                 c.Assert(err, check.IsNil)
 205                 err = f.Close()
 206                 c.Assert(err, check.IsNil)
 207                 mtxt, err := fs.MarshalManifest(".")
 208                 c.Assert(err, check.IsNil)
 209                 coll, err = s.testClusters[clusterID].Conn().CollectionCreate(userctx1, arvados.CreateOptions{Attrs: map[string]interface{}{
 210                         "manifest_text": mtxt,
 211                 }})
 212                 c.Assert(err, check.IsNil)
 213                 return coll
 214         }
 215
 216         for _, trial := range []struct {
 217                 clusterID string // create the collection on this cluster (then use z3333 to access it)
 218                 token     string
 219         }{
 220                 // Try the hardest test first: z3333 hasn't seen
 221                 // z1111's token yet, and we're just passing the
 222                 // opaque secret part, so z3333 has to guess that it
 223                 // belongs to z1111.
 224                 {"z1111", strings.Split(ac1.AuthToken, "/")[2]},
 225                 {"z3333", strings.Split(ac1.AuthToken, "/")[2]},
 226                 {"z1111", strings.Replace(ac1.AuthToken, "/", "_", -1)},
 227                 {"z3333", strings.Replace(ac1.AuthToken, "/", "_", -1)},
 228         } {
 229                 c.Logf("================ %v", trial)
 230                 coll := createColl(trial.clusterID)
 231
 232                 cfgjson, err := conn3.ConfigGet(userctx1)
 233                 c.Assert(err, check.IsNil)
 234                 var cluster arvados.Cluster
 235                 err = json.Unmarshal(cfgjson, &cluster)
 236                 c.Assert(err, check.IsNil)
 237
 238                 c.Logf("TokenV2 is %s", ac1.AuthToken)
 239                 host := cluster.Services.WebDAV.ExternalURL.Host
 240                 s3args := []string{
 241                         "--ssl", "--no-check-certificate",
 242                         "--host=" + host, "--host-bucket=" + host,
 243                         "--access_key=" + trial.token, "--secret_key=" + trial.token,
 244                 }
 245                 buf, err := exec.Command("s3cmd", append(s3args, "ls", "s3://"+coll.UUID)...).CombinedOutput()
 246                 c.Check(err, check.IsNil)
 247                 c.Check(string(buf), check.Matches, `.* `+fmt.Sprintf("%d", len(testText))+` +s3://`+coll.UUID+`/test.txt\n`)
 248
 249                 buf, _ = exec.Command("s3cmd", append(s3args, "get", "s3://"+coll.UUID+"/test.txt", c.MkDir()+"/tmpfile")...).CombinedOutput()
 250                 // Command fails because we don't return Etag header.
 251                 flen := strconv.Itoa(len(testText))
 252                 c.Check(string(buf), check.Matches, `(?ms).*`+flen+` (bytes in|of `+flen+`).*`)
 253         }
 254 }
 255
 256 func (s *IntegrationSuite) TestGetCollectionAsAnonymous(c *check.C) {
 257         conn1 := s.testClusters["z1111"].Conn()
 258         conn3 := s.testClusters["z3333"].Conn()
 259         rootctx1, rootac1, rootkc1 := s.testClusters["z1111"].RootClients()
 260         anonctx3, anonac3, _ := s.testClusters["z3333"].AnonymousClients()
 261
 262         // Make sure anonymous token was set
 263         c.Assert(anonac3.AuthToken, check.Not(check.Equals), "")
 264
 265         // Create the collection to find its PDH (but don't save it
 266         // anywhere yet)
 267         var coll1 arvados.Collection
 268         fs1, err := coll1.FileSystem(rootac1, rootkc1)
 269         c.Assert(err, check.IsNil)
 270         f, err := fs1.OpenFile("test.txt", os.O_CREATE|os.O_RDWR, 0777)
 271         c.Assert(err, check.IsNil)
 272         _, err = io.WriteString(f, "IntegrationSuite.TestGetCollectionAsAnonymous")
 273         c.Assert(err, check.IsNil)
 274         err = f.Close()
 275         c.Assert(err, check.IsNil)
 276         mtxt, err := fs1.MarshalManifest(".")
 277         c.Assert(err, check.IsNil)
 278         pdh := arvados.PortableDataHash(mtxt)
 279
 280         // Save the collection on cluster z1111.
 281         coll1, err = conn1.CollectionCreate(rootctx1, arvados.CreateOptions{Attrs: map[string]interface{}{
 282                 "manifest_text": mtxt,
 283         }})
 284         c.Assert(err, check.IsNil)
 285
 286         // Share it with the anonymous users group.
 287         var outLink arvados.Link
 288         err = rootac1.RequestAndDecode(&outLink, "POST", "/arvados/v1/links", nil,
 289                 map[string]interface{}{"link": map[string]interface{}{
 290                         "link_class": "permission",
 291                         "name":       "can_read",
 292                         "tail_uuid":  "z1111-j7d0g-anonymouspublic",
 293                         "head_uuid":  coll1.UUID,
 294                 },
 295                 })
 296         c.Check(err, check.IsNil)
 297
 298         // Current user should be z3 anonymous user
 299         outUser, err := anonac3.CurrentUser()
 300         c.Check(err, check.IsNil)
 301         c.Check(outUser.UUID, check.Equals, "z3333-tpzed-anonymouspublic")
 302
 303         // Get the token uuid
 304         var outAuth arvados.APIClientAuthorization
 305         err = anonac3.RequestAndDecode(&outAuth, "GET", "/arvados/v1/api_client_authorizations/current", nil, nil)
 306         c.Check(err, check.IsNil)
 307
 308         // Make a v2 token of the z3 anonymous user, and use it on z1
 309         _, anonac1, _ := s.testClusters["z1111"].ClientsWithToken(outAuth.TokenV2())
 310         outUser2, err := anonac1.CurrentUser()
 311         c.Check(err, check.IsNil)
 312         // z3 anonymous user will be mapped to the z1 anonymous user
 313         c.Check(outUser2.UUID, check.Equals, "z1111-tpzed-anonymouspublic")
 314
 315         // Retrieve the collection (which is on z1) using anonymous from cluster z3333.
 316         coll, err := conn3.CollectionGet(anonctx3, arvados.GetOptions{UUID: coll1.UUID})
 317         c.Check(err, check.IsNil)
 318         c.Check(coll.PortableDataHash, check.Equals, pdh)
 319 }
 320
 321 // Get a token from the login cluster (z1111), use it to submit a
 322 // container request on z2222.
 323 func (s *IntegrationSuite) TestCreateContainerRequestWithFedToken(c *check.C) {
 324         conn1 := s.testClusters["z1111"].Conn()
 325         rootctx1, _, _ := s.testClusters["z1111"].RootClients()
 326         _, ac1, _, _ := s.testClusters["z1111"].UserClients(rootctx1, c, conn1, s.oidcprovider.AuthEmail, true)
 327
 328         // Use ac2 to get the discovery doc with a blank token, so the
 329         // SDK doesn't magically pass the z1111 token to z2222 before
 330         // we're ready to start our test.
 331         _, ac2, _ := s.testClusters["z2222"].ClientsWithToken("")
 332         var dd map[string]interface{}
 333         err := ac2.RequestAndDecode(&dd, "GET", "discovery/v1/apis/arvados/v1/rest", nil, nil)
 334         c.Assert(err, check.IsNil)
 335
 336         var (
 337                 body bytes.Buffer
 338                 req  *http.Request
 339                 resp *http.Response
 340                 u    arvados.User
 341                 cr   arvados.ContainerRequest
 342         )
 343         json.NewEncoder(&body).Encode(map[string]interface{}{
 344                 "container_request": map[string]interface{}{
 345                         "command":         []string{"echo"},
 346                         "container_image": "d41d8cd98f00b204e9800998ecf8427e+0",
 347                         "cwd":             "/",
 348                         "output_path":     "/",
 349                 },
 350         })
 351         ac2.AuthToken = ac1.AuthToken
 352
 353         c.Log("...post CR with good (but not yet cached) token")
 354         cr = arvados.ContainerRequest{}
 355         req, err = http.NewRequest("POST", "https://"+ac2.APIHost+"/arvados/v1/container_requests", bytes.NewReader(body.Bytes()))
 356         c.Assert(err, check.IsNil)
 357         req.Header.Set("Content-Type", "application/json")
 358         err = ac2.DoAndDecode(&cr, req)
 359         c.Logf("err == %#v", err)
 360
 361         c.Log("...get user with good token")
 362         u = arvados.User{}
 363         req, err = http.NewRequest("GET", "https://"+ac2.APIHost+"/arvados/v1/users/current", nil)
 364         c.Assert(err, check.IsNil)
 365         err = ac2.DoAndDecode(&u, req)
 366         c.Check(err, check.IsNil)
 367         c.Check(u.UUID, check.Matches, "z1111-tpzed-.*")
 368
 369         c.Log("...post CR with good cached token")
 370         cr = arvados.ContainerRequest{}
 371         req, err = http.NewRequest("POST", "https://"+ac2.APIHost+"/arvados/v1/container_requests", bytes.NewReader(body.Bytes()))
 372         c.Assert(err, check.IsNil)
 373         req.Header.Set("Content-Type", "application/json")
 374         err = ac2.DoAndDecode(&cr, req)
 375         c.Check(err, check.IsNil)
 376         c.Check(cr.UUID, check.Matches, "z2222-.*")
 377
 378         c.Log("...post with good cached token ('OAuth2 ...')")
 379         cr = arvados.ContainerRequest{}
 380         req, err = http.NewRequest("POST", "https://"+ac2.APIHost+"/arvados/v1/container_requests", bytes.NewReader(body.Bytes()))
 381         c.Assert(err, check.IsNil)
 382         req.Header.Set("Content-Type", "application/json")
 383         req.Header.Set("Authorization", "OAuth2 "+ac2.AuthToken)
 384         resp, err = arvados.InsecureHTTPClient.Do(req)
 385         if c.Check(err, check.IsNil) {
 386                 err = json.NewDecoder(resp.Body).Decode(&cr)
 387                 c.Check(err, check.IsNil)
 388                 c.Check(cr.UUID, check.Matches, "z2222-.*")
 389         }
 390 }
 391
 392 // Test for bug #16263
 393 func (s *IntegrationSuite) TestListUsers(c *check.C) {
 394         rootctx1, _, _ := s.testClusters["z1111"].RootClients()
 395         conn1 := s.testClusters["z1111"].Conn()
 396         conn3 := s.testClusters["z3333"].Conn()
 397         userctx1, _, _, _ := s.testClusters["z1111"].UserClients(rootctx1, c, conn1, s.oidcprovider.AuthEmail, true)
 398
 399         // Make sure LoginCluster is properly configured
 400         for cls := range s.testClusters {
 401                 c.Check(
 402                         s.testClusters[cls].Config.Clusters[cls].Login.LoginCluster,
 403                         check.Equals, "z1111",
 404                         check.Commentf("incorrect LoginCluster config on cluster %q", cls))
 405         }
 406         // Make sure z1111 has users with NULL usernames
 407         lst, err := conn1.UserList(rootctx1, arvados.ListOptions{
 408                 Limit: math.MaxInt64, // check that large limit works (see #16263)
 409         })
 410         nullUsername := false
 411         c.Assert(err, check.IsNil)
 412         c.Assert(len(lst.Items), check.Not(check.Equals), 0)
 413         for _, user := range lst.Items {
 414                 if user.Username == "" {
 415                         nullUsername = true
 416                 }
 417         }
 418         c.Assert(nullUsername, check.Equals, true)
 419
 420         user1, err := conn1.UserGetCurrent(userctx1, arvados.GetOptions{})
 421         c.Assert(err, check.IsNil)
 422         c.Check(user1.IsActive, check.Equals, true)
 423
 424         // Ask for the user list on z3333 using z1111's system root token
 425         lst, err = conn3.UserList(rootctx1, arvados.ListOptions{Limit: -1})
 426         c.Assert(err, check.IsNil)
 427         found := false
 428         for _, user := range lst.Items {
 429                 if user.UUID == user1.UUID {
 430                         c.Check(user.IsActive, check.Equals, true)
 431                         found = true
 432                         break
 433                 }
 434         }
 435         c.Check(found, check.Equals, true)
 436
 437         // Deactivate user acct on z1111
 438         _, err = conn1.UserUnsetup(rootctx1, arvados.GetOptions{UUID: user1.UUID})
 439         c.Assert(err, check.IsNil)
 440
 441         // Get user list from z3333, check the returned z1111 user is
 442         // deactivated
 443         lst, err = conn3.UserList(rootctx1, arvados.ListOptions{Limit: -1})
 444         c.Assert(err, check.IsNil)
 445         found = false
 446         for _, user := range lst.Items {
 447                 if user.UUID == user1.UUID {
 448                         c.Check(user.IsActive, check.Equals, false)
 449                         found = true
 450                         break
 451                 }
 452         }
 453         c.Check(found, check.Equals, true)
 454
 455         // Deactivated user can see is_active==false via "get current
 456         // user" API
 457         user1, err = conn3.UserGetCurrent(userctx1, arvados.GetOptions{})
 458         c.Assert(err, check.IsNil)
 459         c.Check(user1.IsActive, check.Equals, false)
 460 }
 461
 462 func (s *IntegrationSuite) TestSetupUserWithVM(c *check.C) {
 463         conn1 := s.testClusters["z1111"].Conn()
 464         conn3 := s.testClusters["z3333"].Conn()
 465         rootctx1, rootac1, _ := s.testClusters["z1111"].RootClients()
 466
 467         // Create user on LoginCluster z1111
 468         _, _, _, user := s.testClusters["z1111"].UserClients(rootctx1, c, conn1, s.oidcprovider.AuthEmail, true)
 469
 470         // Make a new root token (because rootClients() uses SystemRootToken)
 471         var outAuth arvados.APIClientAuthorization
 472         err := rootac1.RequestAndDecode(&outAuth, "POST", "/arvados/v1/api_client_authorizations", nil, nil)
 473         c.Check(err, check.IsNil)
 474
 475         // Make a v2 root token to communicate with z3333
 476         rootctx3, rootac3, _ := s.testClusters["z3333"].ClientsWithToken(outAuth.TokenV2())
 477
 478         // Create VM on z3333
 479         var outVM arvados.VirtualMachine
 480         err = rootac3.RequestAndDecode(&outVM, "POST", "/arvados/v1/virtual_machines", nil,
 481                 map[string]interface{}{"virtual_machine": map[string]interface{}{
 482                         "hostname": "example",
 483                 },
 484                 })
 485         c.Check(outVM.UUID[0:5], check.Equals, "z3333")
 486         c.Check(err, check.IsNil)
 487
 488         // Make sure z3333 user list is up to date
 489         _, err = conn3.UserList(rootctx3, arvados.ListOptions{Limit: 1000})
 490         c.Check(err, check.IsNil)
 491
 492         // Try to set up user on z3333 with the VM
 493         _, err = conn3.UserSetup(rootctx3, arvados.UserSetupOptions{UUID: user.UUID, VMUUID: outVM.UUID})
 494         c.Check(err, check.IsNil)
 495
 496         var outLinks arvados.LinkList
 497         err = rootac3.RequestAndDecode(&outLinks, "GET", "/arvados/v1/links", nil,
 498                 arvados.ListOptions{
 499                         Limit: 1000,
 500                         Filters: []arvados.Filter{
 501                                 {
 502                                         Attr:     "tail_uuid",
 503                                         Operator: "=",
 504                                         Operand:  user.UUID,
 505                                 },
 506                                 {
 507                                         Attr:     "head_uuid",
 508                                         Operator: "=",
 509                                         Operand:  outVM.UUID,
 510                                 },
 511                                 {
 512                                         Attr:     "name",
 513                                         Operator: "=",
 514                                         Operand:  "can_login",
 515                                 },
 516                                 {
 517                                         Attr:     "link_class",
 518                                         Operator: "=",
 519                                         Operand:  "permission",
 520                                 }}})
 521         c.Check(err, check.IsNil)
 522
 523         c.Check(len(outLinks.Items), check.Equals, 1)
 524 }
 525
 526 func (s *IntegrationSuite) TestOIDCAccessTokenAuth(c *check.C) {
 527         conn1 := s.testClusters["z1111"].Conn()
 528         rootctx1, _, _ := s.testClusters["z1111"].RootClients()
 529         s.testClusters["z1111"].UserClients(rootctx1, c, conn1, s.oidcprovider.AuthEmail, true)
 530
 531         accesstoken := s.oidcprovider.ValidAccessToken()
 532
 533         for _, clusterID := range []string{"z1111", "z2222"} {
 534                 c.Logf("trying clusterid %s", clusterID)
 535
 536                 conn := s.testClusters[clusterID].Conn()
 537                 ctx, ac, kc := s.testClusters[clusterID].ClientsWithToken(accesstoken)
 538
 539                 var coll arvados.Collection
 540
 541                 // Write some file data and create a collection
 542                 {
 543                         fs, err := coll.FileSystem(ac, kc)
 544                         c.Assert(err, check.IsNil)
 545                         f, err := fs.OpenFile("test.txt", os.O_CREATE|os.O_RDWR, 0777)
 546                         c.Assert(err, check.IsNil)
 547                         _, err = io.WriteString(f, "IntegrationSuite.TestOIDCAccessTokenAuth")
 548                         c.Assert(err, check.IsNil)
 549                         err = f.Close()
 550                         c.Assert(err, check.IsNil)
 551                         mtxt, err := fs.MarshalManifest(".")
 552                         c.Assert(err, check.IsNil)
 553                         coll, err = conn.CollectionCreate(ctx, arvados.CreateOptions{Attrs: map[string]interface{}{
 554                                 "manifest_text": mtxt,
 555                         }})
 556                         c.Assert(err, check.IsNil)
 557                 }
 558
 559                 // Read the collection & file data
 560                 {
 561                         user, err := conn.UserGetCurrent(ctx, arvados.GetOptions{})
 562                         c.Assert(err, check.IsNil)
 563                         c.Check(user.FullName, check.Equals, "Example User")
 564                         coll, err = conn.CollectionGet(ctx, arvados.GetOptions{UUID: coll.UUID})
 565                         c.Assert(err, check.IsNil)
 566                         c.Check(coll.ManifestText, check.Not(check.Equals), "")
 567                         fs, err := coll.FileSystem(ac, kc)
 568                         c.Assert(err, check.IsNil)
 569                         f, err := fs.Open("test.txt")
 570                         c.Assert(err, check.IsNil)
 571                         buf, err := ioutil.ReadAll(f)
 572                         c.Assert(err, check.IsNil)
 573                         c.Check(buf, check.DeepEquals, []byte("IntegrationSuite.TestOIDCAccessTokenAuth"))
 574                 }
 575         }
 576 }