sdk/go/keepclient/keepclient_test.go

   1 package keepclient
   2
   3 import (
   4         "crypto/md5"
   5         "flag"
   6         "fmt"
   7         "git.curoverse.com/arvados.git/sdk/go/arvadosclient"
   8         "git.curoverse.com/arvados.git/sdk/go/arvadostest"
   9         "git.curoverse.com/arvados.git/sdk/go/streamer"
  10         . "gopkg.in/check.v1"
  11         "io"
  12         "io/ioutil"
  13         "log"
  14         "net"
  15         "net/http"
  16         "os"
  17         "strings"
  18         "testing"
  19         "time"
  20 )
  21
  22 // Gocheck boilerplate
  23 func Test(t *testing.T) {
  24         TestingT(t)
  25 }
  26
  27 // Gocheck boilerplate
  28 var _ = Suite(&ServerRequiredSuite{})
  29 var _ = Suite(&StandaloneSuite{})
  30
  31 var no_server = flag.Bool("no-server", false, "Skip 'ServerRequireSuite'")
  32
  33 // Tests that require the Keep server running
  34 type ServerRequiredSuite struct{}
  35
  36 // Standalone tests
  37 type StandaloneSuite struct{}
  38
  39 func pythonDir() string {
  40         cwd, _ := os.Getwd()
  41         return fmt.Sprintf("%s/../../python/tests", cwd)
  42 }
  43
  44 func (s *ServerRequiredSuite) SetUpSuite(c *C) {
  45         if *no_server {
  46                 c.Skip("Skipping tests that require server")
  47                 return
  48         }
  49         arvadostest.StartAPI()
  50         arvadostest.StartKeep(2, false)
  51 }
  52
  53 func (s *ServerRequiredSuite) TearDownSuite(c *C) {
  54         if *no_server {
  55                 return
  56         }
  57         arvadostest.StopKeep(2)
  58         arvadostest.StopAPI()
  59 }
  60
  61 func (s *ServerRequiredSuite) TestMakeKeepClient(c *C) {
  62         arv, err := arvadosclient.MakeArvadosClient()
  63         c.Assert(err, Equals, nil)
  64
  65         kc, err := MakeKeepClient(&arv)
  66
  67         c.Assert(err, Equals, nil)
  68         c.Check(len(kc.LocalRoots()), Equals, 2)
  69         for _, root := range kc.LocalRoots() {
  70                 c.Check(root, Matches, "http://localhost:\\d+")
  71         }
  72 }
  73
  74 func (s *ServerRequiredSuite) TestDefaultReplications(c *C) {
  75         arv, err := arvadosclient.MakeArvadosClient()
  76         c.Assert(err, Equals, nil)
  77
  78         kc, err := MakeKeepClient(&arv)
  79         c.Assert(kc.Want_replicas, Equals, 2)
  80
  81         arv.DiscoveryDoc["defaultCollectionReplication"] = 3.0
  82         kc, err = MakeKeepClient(&arv)
  83         c.Assert(kc.Want_replicas, Equals, 3)
  84
  85         arv.DiscoveryDoc["defaultCollectionReplication"] = 1.0
  86         kc, err = MakeKeepClient(&arv)
  87         c.Assert(kc.Want_replicas, Equals, 1)
  88 }
  89
  90 type StubPutHandler struct {
  91         c              *C
  92         expectPath     string
  93         expectApiToken string
  94         expectBody     string
  95         handled        chan string
  96 }
  97
  98 func (sph StubPutHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
  99         sph.c.Check(req.URL.Path, Equals, "/"+sph.expectPath)
 100         sph.c.Check(req.Header.Get("Authorization"), Equals, fmt.Sprintf("OAuth2 %s", sph.expectApiToken))
 101         body, err := ioutil.ReadAll(req.Body)
 102         sph.c.Check(err, Equals, nil)
 103         sph.c.Check(body, DeepEquals, []byte(sph.expectBody))
 104         resp.WriteHeader(200)
 105         sph.handled <- fmt.Sprintf("http://%s", req.Host)
 106 }
 107
 108 func RunFakeKeepServer(st http.Handler) (ks KeepServer) {
 109         var err error
 110         ks.listener, err = net.ListenTCP("tcp", &net.TCPAddr{Port: 0})
 111         if err != nil {
 112                 panic(fmt.Sprintf("Could not listen on any port"))
 113         }
 114         ks.url = fmt.Sprintf("http://%s", ks.listener.Addr().String())
 115         go http.Serve(ks.listener, st)
 116         return
 117 }
 118
 119 func UploadToStubHelper(c *C, st http.Handler, f func(*KeepClient, string,
 120         io.ReadCloser, io.WriteCloser, chan uploadStatus)) {
 121
 122         ks := RunFakeKeepServer(st)
 123         defer ks.listener.Close()
 124
 125         arv, _ := arvadosclient.MakeArvadosClient()
 126         arv.ApiToken = "abc123"
 127
 128         kc, _ := MakeKeepClient(&arv)
 129
 130         reader, writer := io.Pipe()
 131         upload_status := make(chan uploadStatus)
 132
 133         f(kc, ks.url, reader, writer, upload_status)
 134 }
 135
 136 func (s *StandaloneSuite) TestUploadToStubKeepServer(c *C) {
 137         log.Printf("TestUploadToStubKeepServer")
 138
 139         st := StubPutHandler{
 140                 c,
 141                 "acbd18db4cc2f85cedef654fccc4a4d8",
 142                 "abc123",
 143                 "foo",
 144                 make(chan string)}
 145
 146         UploadToStubHelper(c, st,
 147                 func(kc *KeepClient, url string, reader io.ReadCloser, writer io.WriteCloser, upload_status chan uploadStatus) {
 148
 149                         go kc.uploadToKeepServer(url, st.expectPath, reader, upload_status, int64(len("foo")), 0)
 150
 151                         writer.Write([]byte("foo"))
 152                         writer.Close()
 153
 154                         <-st.handled
 155                         status := <-upload_status
 156                         c.Check(status, DeepEquals, uploadStatus{nil, fmt.Sprintf("%s/%s", url, st.expectPath), 200, 1, ""})
 157                 })
 158 }
 159
 160 func (s *StandaloneSuite) TestUploadToStubKeepServerBufferReader(c *C) {
 161         st := StubPutHandler{
 162                 c,
 163                 "acbd18db4cc2f85cedef654fccc4a4d8",
 164                 "abc123",
 165                 "foo",
 166                 make(chan string)}
 167
 168         UploadToStubHelper(c, st,
 169                 func(kc *KeepClient, url string, reader io.ReadCloser,
 170                         writer io.WriteCloser, upload_status chan uploadStatus) {
 171
 172                         tr := streamer.AsyncStreamFromReader(512, reader)
 173                         defer tr.Close()
 174
 175                         br1 := tr.MakeStreamReader()
 176
 177                         go kc.uploadToKeepServer(url, st.expectPath, br1, upload_status, 3, 0)
 178
 179                         writer.Write([]byte("foo"))
 180                         writer.Close()
 181
 182                         <-st.handled
 183
 184                         status := <-upload_status
 185                         c.Check(status, DeepEquals, uploadStatus{nil, fmt.Sprintf("%s/%s", url, st.expectPath), 200, 1, ""})
 186                 })
 187 }
 188
 189 type FailHandler struct {
 190         handled chan string
 191 }
 192
 193 func (fh FailHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
 194         resp.WriteHeader(500)
 195         fh.handled <- fmt.Sprintf("http://%s", req.Host)
 196 }
 197
 198 type FailThenSucceedHandler struct {
 199         handled        chan string
 200         count          int
 201         successhandler StubGetHandler
 202 }
 203
 204 func (fh *FailThenSucceedHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
 205         if fh.count == 0 {
 206                 resp.WriteHeader(500)
 207                 fh.count += 1
 208                 fh.handled <- fmt.Sprintf("http://%s", req.Host)
 209         } else {
 210                 fh.successhandler.ServeHTTP(resp, req)
 211         }
 212 }
 213
 214 type Error404Handler struct {
 215         handled chan string
 216 }
 217
 218 func (fh Error404Handler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
 219         resp.WriteHeader(404)
 220         fh.handled <- fmt.Sprintf("http://%s", req.Host)
 221 }
 222
 223 func (s *StandaloneSuite) TestFailedUploadToStubKeepServer(c *C) {
 224         st := FailHandler{
 225                 make(chan string)}
 226
 227         hash := "acbd18db4cc2f85cedef654fccc4a4d8"
 228
 229         UploadToStubHelper(c, st,
 230                 func(kc *KeepClient, url string, reader io.ReadCloser,
 231                         writer io.WriteCloser, upload_status chan uploadStatus) {
 232
 233                         go kc.uploadToKeepServer(url, hash, reader, upload_status, 3, 0)
 234
 235                         writer.Write([]byte("foo"))
 236                         writer.Close()
 237
 238                         <-st.handled
 239
 240                         status := <-upload_status
 241                         c.Check(status.url, Equals, fmt.Sprintf("%s/%s", url, hash))
 242                         c.Check(status.statusCode, Equals, 500)
 243                 })
 244 }
 245
 246 type KeepServer struct {
 247         listener net.Listener
 248         url      string
 249 }
 250
 251 func RunSomeFakeKeepServers(st http.Handler, n int) (ks []KeepServer) {
 252         ks = make([]KeepServer, n)
 253
 254         for i := 0; i < n; i += 1 {
 255                 ks[i] = RunFakeKeepServer(st)
 256         }
 257
 258         return ks
 259 }
 260
 261 func (s *StandaloneSuite) TestPutB(c *C) {
 262         hash := Md5String("foo")
 263
 264         st := StubPutHandler{
 265                 c,
 266                 hash,
 267                 "abc123",
 268                 "foo",
 269                 make(chan string, 5)}
 270
 271         arv, _ := arvadosclient.MakeArvadosClient()
 272         kc, _ := MakeKeepClient(&arv)
 273
 274         kc.Want_replicas = 2
 275         arv.ApiToken = "abc123"
 276         localRoots := make(map[string]string)
 277         writableLocalRoots := make(map[string]string)
 278
 279         ks := RunSomeFakeKeepServers(st, 5)
 280
 281         for i, k := range ks {
 282                 localRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i)] = k.url
 283                 writableLocalRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i)] = k.url
 284                 defer k.listener.Close()
 285         }
 286
 287         kc.SetServiceRoots(localRoots, writableLocalRoots, nil)
 288
 289         kc.PutB([]byte("foo"))
 290
 291         shuff := NewRootSorter(
 292                 kc.LocalRoots(), Md5String("foo")).GetSortedRoots()
 293
 294         s1 := <-st.handled
 295         s2 := <-st.handled
 296         c.Check((s1 == shuff[0] && s2 == shuff[1]) ||
 297                 (s1 == shuff[1] && s2 == shuff[0]),
 298                 Equals,
 299                 true)
 300 }
 301
 302 func (s *StandaloneSuite) TestPutHR(c *C) {
 303         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 304
 305         st := StubPutHandler{
 306                 c,
 307                 hash,
 308                 "abc123",
 309                 "foo",
 310                 make(chan string, 5)}
 311
 312         arv, _ := arvadosclient.MakeArvadosClient()
 313         kc, _ := MakeKeepClient(&arv)
 314
 315         kc.Want_replicas = 2
 316         arv.ApiToken = "abc123"
 317         localRoots := make(map[string]string)
 318         writableLocalRoots := make(map[string]string)
 319
 320         ks := RunSomeFakeKeepServers(st, 5)
 321
 322         for i, k := range ks {
 323                 localRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i)] = k.url
 324                 writableLocalRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i)] = k.url
 325                 defer k.listener.Close()
 326         }
 327
 328         kc.SetServiceRoots(localRoots, writableLocalRoots, nil)
 329
 330         reader, writer := io.Pipe()
 331
 332         go func() {
 333                 writer.Write([]byte("foo"))
 334                 writer.Close()
 335         }()
 336
 337         kc.PutHR(hash, reader, 3)
 338
 339         shuff := NewRootSorter(kc.LocalRoots(), hash).GetSortedRoots()
 340
 341         s1 := <-st.handled
 342         s2 := <-st.handled
 343
 344         c.Check((s1 == shuff[0] && s2 == shuff[1]) ||
 345                 (s1 == shuff[1] && s2 == shuff[0]),
 346                 Equals,
 347                 true)
 348 }
 349
 350 func (s *StandaloneSuite) TestPutWithFail(c *C) {
 351         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 352
 353         st := StubPutHandler{
 354                 c,
 355                 hash,
 356                 "abc123",
 357                 "foo",
 358                 make(chan string, 4)}
 359
 360         fh := FailHandler{
 361                 make(chan string, 1)}
 362
 363         arv, err := arvadosclient.MakeArvadosClient()
 364         kc, _ := MakeKeepClient(&arv)
 365
 366         kc.Want_replicas = 2
 367         arv.ApiToken = "abc123"
 368         localRoots := make(map[string]string)
 369         writableLocalRoots := make(map[string]string)
 370
 371         ks1 := RunSomeFakeKeepServers(st, 4)
 372         ks2 := RunSomeFakeKeepServers(fh, 1)
 373
 374         for i, k := range ks1 {
 375                 localRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i)] = k.url
 376                 writableLocalRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i)] = k.url
 377                 defer k.listener.Close()
 378         }
 379         for i, k := range ks2 {
 380                 localRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i+len(ks1))] = k.url
 381                 writableLocalRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i+len(ks1))] = k.url
 382                 defer k.listener.Close()
 383         }
 384
 385         kc.SetServiceRoots(localRoots, writableLocalRoots, nil)
 386
 387         shuff := NewRootSorter(
 388                 kc.LocalRoots(), Md5String("foo")).GetSortedRoots()
 389         c.Logf("%+v", shuff)
 390
 391         phash, replicas, err := kc.PutB([]byte("foo"))
 392
 393         <-fh.handled
 394
 395         c.Check(err, Equals, nil)
 396         c.Check(phash, Equals, "")
 397         c.Check(replicas, Equals, 2)
 398
 399         s1 := <-st.handled
 400         s2 := <-st.handled
 401
 402         c.Check((s1 == shuff[1] && s2 == shuff[2]) ||
 403                 (s1 == shuff[2] && s2 == shuff[1]),
 404                 Equals,
 405                 true)
 406 }
 407
 408 func (s *StandaloneSuite) TestPutWithTooManyFail(c *C) {
 409         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 410
 411         st := StubPutHandler{
 412                 c,
 413                 hash,
 414                 "abc123",
 415                 "foo",
 416                 make(chan string, 1)}
 417
 418         fh := FailHandler{
 419                 make(chan string, 4)}
 420
 421         arv, err := arvadosclient.MakeArvadosClient()
 422         kc, _ := MakeKeepClient(&arv)
 423
 424         kc.Want_replicas = 2
 425         kc.Retries = 0
 426         arv.ApiToken = "abc123"
 427         localRoots := make(map[string]string)
 428         writableLocalRoots := make(map[string]string)
 429
 430         ks1 := RunSomeFakeKeepServers(st, 1)
 431         ks2 := RunSomeFakeKeepServers(fh, 4)
 432
 433         for i, k := range ks1 {
 434                 localRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i)] = k.url
 435                 writableLocalRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i)] = k.url
 436                 defer k.listener.Close()
 437         }
 438         for i, k := range ks2 {
 439                 localRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i+len(ks1))] = k.url
 440                 writableLocalRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i+len(ks1))] = k.url
 441                 defer k.listener.Close()
 442         }
 443
 444         kc.SetServiceRoots(localRoots, writableLocalRoots, nil)
 445
 446         _, replicas, err := kc.PutB([]byte("foo"))
 447
 448         c.Check(err, Equals, InsufficientReplicasError)
 449         c.Check(replicas, Equals, 1)
 450         c.Check(<-st.handled, Equals, ks1[0].url)
 451 }
 452
 453 type StubGetHandler struct {
 454         c              *C
 455         expectPath     string
 456         expectApiToken string
 457         httpStatus     int
 458         body           []byte
 459 }
 460
 461 func (sgh StubGetHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
 462         sgh.c.Check(req.URL.Path, Equals, "/"+sgh.expectPath)
 463         sgh.c.Check(req.Header.Get("Authorization"), Equals, fmt.Sprintf("OAuth2 %s", sgh.expectApiToken))
 464         resp.WriteHeader(sgh.httpStatus)
 465         resp.Header().Set("Content-Length", fmt.Sprintf("%d", len(sgh.body)))
 466         resp.Write(sgh.body)
 467 }
 468
 469 func (s *StandaloneSuite) TestGet(c *C) {
 470         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 471
 472         st := StubGetHandler{
 473                 c,
 474                 hash,
 475                 "abc123",
 476                 http.StatusOK,
 477                 []byte("foo")}
 478
 479         ks := RunFakeKeepServer(st)
 480         defer ks.listener.Close()
 481
 482         arv, err := arvadosclient.MakeArvadosClient()
 483         kc, _ := MakeKeepClient(&arv)
 484         arv.ApiToken = "abc123"
 485         kc.SetServiceRoots(map[string]string{"x": ks.url}, nil, nil)
 486
 487         r, n, url2, err := kc.Get(hash)
 488         defer r.Close()
 489         c.Check(err, Equals, nil)
 490         c.Check(n, Equals, int64(3))
 491         c.Check(url2, Equals, fmt.Sprintf("%s/%s", ks.url, hash))
 492
 493         content, err2 := ioutil.ReadAll(r)
 494         c.Check(err2, Equals, nil)
 495         c.Check(content, DeepEquals, []byte("foo"))
 496 }
 497
 498 func (s *StandaloneSuite) TestGet404(c *C) {
 499         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 500
 501         st := Error404Handler{make(chan string, 1)}
 502
 503         ks := RunFakeKeepServer(st)
 504         defer ks.listener.Close()
 505
 506         arv, err := arvadosclient.MakeArvadosClient()
 507         kc, _ := MakeKeepClient(&arv)
 508         arv.ApiToken = "abc123"
 509         kc.SetServiceRoots(map[string]string{"x": ks.url}, nil, nil)
 510
 511         r, n, url2, err := kc.Get(hash)
 512         c.Check(err, Equals, BlockNotFound)
 513         c.Check(n, Equals, int64(0))
 514         c.Check(url2, Equals, "")
 515         c.Check(r, Equals, nil)
 516 }
 517
 518 func (s *StandaloneSuite) TestGetFail(c *C) {
 519         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 520
 521         st := FailHandler{make(chan string, 1)}
 522
 523         ks := RunFakeKeepServer(st)
 524         defer ks.listener.Close()
 525
 526         arv, err := arvadosclient.MakeArvadosClient()
 527         kc, _ := MakeKeepClient(&arv)
 528         arv.ApiToken = "abc123"
 529         kc.SetServiceRoots(map[string]string{"x": ks.url}, nil, nil)
 530         kc.Retries = 0
 531
 532         r, n, url2, err := kc.Get(hash)
 533         errNotFound, _ := err.(*ErrNotFound)
 534         c.Check(errNotFound, NotNil)
 535         c.Check(strings.Contains(errNotFound.Error(), "HTTP 500"), Equals, true)
 536         c.Check(errNotFound.Temporary(), Equals, true)
 537         c.Check(n, Equals, int64(0))
 538         c.Check(url2, Equals, "")
 539         c.Check(r, Equals, nil)
 540 }
 541
 542 func (s *StandaloneSuite) TestGetFailRetry(c *C) {
 543         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 544
 545         st := &FailThenSucceedHandler{make(chan string, 1), 0,
 546                 StubGetHandler{
 547                         c,
 548                         hash,
 549                         "abc123",
 550                         http.StatusOK,
 551                         []byte("foo")}}
 552
 553         ks := RunFakeKeepServer(st)
 554         defer ks.listener.Close()
 555
 556         arv, err := arvadosclient.MakeArvadosClient()
 557         kc, _ := MakeKeepClient(&arv)
 558         arv.ApiToken = "abc123"
 559         kc.SetServiceRoots(map[string]string{"x": ks.url}, nil, nil)
 560
 561         r, n, url2, err := kc.Get(hash)
 562         defer r.Close()
 563         c.Check(err, Equals, nil)
 564         c.Check(n, Equals, int64(3))
 565         c.Check(url2, Equals, fmt.Sprintf("%s/%s", ks.url, hash))
 566
 567         content, err2 := ioutil.ReadAll(r)
 568         c.Check(err2, Equals, nil)
 569         c.Check(content, DeepEquals, []byte("foo"))
 570 }
 571
 572 func (s *StandaloneSuite) TestGetNetError(c *C) {
 573         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 574
 575         arv, err := arvadosclient.MakeArvadosClient()
 576         kc, _ := MakeKeepClient(&arv)
 577         arv.ApiToken = "abc123"
 578         kc.SetServiceRoots(map[string]string{"x": "http://localhost:62222"}, nil, nil)
 579
 580         r, n, url2, err := kc.Get(hash)
 581         errNotFound, _ := err.(*ErrNotFound)
 582         c.Check(errNotFound, NotNil)
 583         c.Check(strings.Contains(errNotFound.Error(), "connection refused"), Equals, true)
 584         c.Check(errNotFound.Temporary(), Equals, true)
 585         c.Check(n, Equals, int64(0))
 586         c.Check(url2, Equals, "")
 587         c.Check(r, Equals, nil)
 588 }
 589
 590 func (s *StandaloneSuite) TestGetWithServiceHint(c *C) {
 591         uuid := "zzzzz-bi6l4-123451234512345"
 592         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 593
 594         // This one shouldn't be used:
 595         ks0 := RunFakeKeepServer(StubGetHandler{
 596                 c,
 597                 "error if used",
 598                 "abc123",
 599                 http.StatusOK,
 600                 []byte("foo")})
 601         defer ks0.listener.Close()
 602         // This one should be used:
 603         ks := RunFakeKeepServer(StubGetHandler{
 604                 c,
 605                 hash + "+K@" + uuid,
 606                 "abc123",
 607                 http.StatusOK,
 608                 []byte("foo")})
 609         defer ks.listener.Close()
 610
 611         arv, err := arvadosclient.MakeArvadosClient()
 612         kc, _ := MakeKeepClient(&arv)
 613         arv.ApiToken = "abc123"
 614         kc.SetServiceRoots(
 615                 map[string]string{"x": ks0.url},
 616                 nil,
 617                 map[string]string{uuid: ks.url})
 618
 619         r, n, uri, err := kc.Get(hash + "+K@" + uuid)
 620         defer r.Close()
 621         c.Check(err, Equals, nil)
 622         c.Check(n, Equals, int64(3))
 623         c.Check(uri, Equals, fmt.Sprintf("%s/%s", ks.url, hash+"+K@"+uuid))
 624
 625         content, err := ioutil.ReadAll(r)
 626         c.Check(err, Equals, nil)
 627         c.Check(content, DeepEquals, []byte("foo"))
 628 }
 629
 630 // Use a service hint to fetch from a local disk service, overriding
 631 // rendezvous probe order.
 632 func (s *StandaloneSuite) TestGetWithLocalServiceHint(c *C) {
 633         uuid := "zzzzz-bi6l4-zzzzzzzzzzzzzzz"
 634         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 635
 636         // This one shouldn't be used, although it appears first in
 637         // rendezvous probe order:
 638         ks0 := RunFakeKeepServer(StubGetHandler{
 639                 c,
 640                 "error if used",
 641                 "abc123",
 642                 http.StatusOK,
 643                 []byte("foo")})
 644         defer ks0.listener.Close()
 645         // This one should be used:
 646         ks := RunFakeKeepServer(StubGetHandler{
 647                 c,
 648                 hash + "+K@" + uuid,
 649                 "abc123",
 650                 http.StatusOK,
 651                 []byte("foo")})
 652         defer ks.listener.Close()
 653
 654         arv, err := arvadosclient.MakeArvadosClient()
 655         kc, _ := MakeKeepClient(&arv)
 656         arv.ApiToken = "abc123"
 657         kc.SetServiceRoots(
 658                 map[string]string{
 659                         "zzzzz-bi6l4-yyyyyyyyyyyyyyy": ks0.url,
 660                         "zzzzz-bi6l4-xxxxxxxxxxxxxxx": ks0.url,
 661                         "zzzzz-bi6l4-wwwwwwwwwwwwwww": ks0.url,
 662                         uuid: ks.url},
 663                 nil,
 664                 map[string]string{
 665                         "zzzzz-bi6l4-yyyyyyyyyyyyyyy": ks0.url,
 666                         "zzzzz-bi6l4-xxxxxxxxxxxxxxx": ks0.url,
 667                         "zzzzz-bi6l4-wwwwwwwwwwwwwww": ks0.url,
 668                         uuid: ks.url},
 669         )
 670
 671         r, n, uri, err := kc.Get(hash + "+K@" + uuid)
 672         defer r.Close()
 673         c.Check(err, Equals, nil)
 674         c.Check(n, Equals, int64(3))
 675         c.Check(uri, Equals, fmt.Sprintf("%s/%s", ks.url, hash+"+K@"+uuid))
 676
 677         content, err := ioutil.ReadAll(r)
 678         c.Check(err, Equals, nil)
 679         c.Check(content, DeepEquals, []byte("foo"))
 680 }
 681
 682 func (s *StandaloneSuite) TestGetWithServiceHintFailoverToLocals(c *C) {
 683         uuid := "zzzzz-bi6l4-123451234512345"
 684         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 685
 686         ksLocal := RunFakeKeepServer(StubGetHandler{
 687                 c,
 688                 hash + "+K@" + uuid,
 689                 "abc123",
 690                 http.StatusOK,
 691                 []byte("foo")})
 692         defer ksLocal.listener.Close()
 693         ksGateway := RunFakeKeepServer(StubGetHandler{
 694                 c,
 695                 hash + "+K@" + uuid,
 696                 "abc123",
 697                 http.StatusInternalServerError,
 698                 []byte("Error")})
 699         defer ksGateway.listener.Close()
 700
 701         arv, err := arvadosclient.MakeArvadosClient()
 702         kc, _ := MakeKeepClient(&arv)
 703         arv.ApiToken = "abc123"
 704         kc.SetServiceRoots(
 705                 map[string]string{"zzzzz-bi6l4-keepdisk0000000": ksLocal.url},
 706                 nil,
 707                 map[string]string{uuid: ksGateway.url})
 708
 709         r, n, uri, err := kc.Get(hash + "+K@" + uuid)
 710         c.Assert(err, Equals, nil)
 711         defer r.Close()
 712         c.Check(n, Equals, int64(3))
 713         c.Check(uri, Equals, fmt.Sprintf("%s/%s", ksLocal.url, hash+"+K@"+uuid))
 714
 715         content, err := ioutil.ReadAll(r)
 716         c.Check(err, Equals, nil)
 717         c.Check(content, DeepEquals, []byte("foo"))
 718 }
 719
 720 type BarHandler struct {
 721         handled chan string
 722 }
 723
 724 func (this BarHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
 725         resp.Write([]byte("bar"))
 726         this.handled <- fmt.Sprintf("http://%s", req.Host)
 727 }
 728
 729 func (s *StandaloneSuite) TestChecksum(c *C) {
 730         foohash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
 731         barhash := fmt.Sprintf("%x", md5.Sum([]byte("bar")))
 732
 733         st := BarHandler{make(chan string, 1)}
 734
 735         ks := RunFakeKeepServer(st)
 736         defer ks.listener.Close()
 737
 738         arv, err := arvadosclient.MakeArvadosClient()
 739         kc, _ := MakeKeepClient(&arv)
 740         arv.ApiToken = "abc123"
 741         kc.SetServiceRoots(map[string]string{"x": ks.url}, nil, nil)
 742
 743         r, n, _, err := kc.Get(barhash)
 744         _, err = ioutil.ReadAll(r)
 745         c.Check(n, Equals, int64(3))
 746         c.Check(err, Equals, nil)
 747
 748         <-st.handled
 749
 750         r, n, _, err = kc.Get(foohash)
 751         _, err = ioutil.ReadAll(r)
 752         c.Check(n, Equals, int64(3))
 753         c.Check(err, Equals, BadChecksum)
 754
 755         <-st.handled
 756 }
 757
 758 func (s *StandaloneSuite) TestGetWithFailures(c *C) {
 759         content := []byte("waz")
 760         hash := fmt.Sprintf("%x", md5.Sum(content))
 761
 762         fh := Error404Handler{
 763                 make(chan string, 4)}
 764
 765         st := StubGetHandler{
 766                 c,
 767                 hash,
 768                 "abc123",
 769                 http.StatusOK,
 770                 content}
 771
 772         arv, err := arvadosclient.MakeArvadosClient()
 773         kc, _ := MakeKeepClient(&arv)
 774         arv.ApiToken = "abc123"
 775         localRoots := make(map[string]string)
 776         writableLocalRoots := make(map[string]string)
 777
 778         ks1 := RunSomeFakeKeepServers(st, 1)
 779         ks2 := RunSomeFakeKeepServers(fh, 4)
 780
 781         for i, k := range ks1 {
 782                 localRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i)] = k.url
 783                 writableLocalRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i)] = k.url
 784                 defer k.listener.Close()
 785         }
 786         for i, k := range ks2 {
 787                 localRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i+len(ks1))] = k.url
 788                 writableLocalRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i+len(ks1))] = k.url
 789                 defer k.listener.Close()
 790         }
 791
 792         kc.SetServiceRoots(localRoots, writableLocalRoots, nil)
 793         kc.Retries = 0
 794
 795         // This test works only if one of the failing services is
 796         // attempted before the succeeding service. Otherwise,
 797         // <-fh.handled below will just hang! (Probe order depends on
 798         // the choice of block content "waz" and the UUIDs of the fake
 799         // servers, so we just tried different strings until we found
 800         // an example that passes this Assert.)
 801         c.Assert(NewRootSorter(localRoots, hash).GetSortedRoots()[0], Not(Equals), ks1[0].url)
 802
 803         r, n, url2, err := kc.Get(hash)
 804
 805         <-fh.handled
 806         c.Check(err, Equals, nil)
 807         c.Check(n, Equals, int64(3))
 808         c.Check(url2, Equals, fmt.Sprintf("%s/%s", ks1[0].url, hash))
 809
 810         read_content, err2 := ioutil.ReadAll(r)
 811         c.Check(err2, Equals, nil)
 812         c.Check(read_content, DeepEquals, content)
 813 }
 814
 815 func (s *ServerRequiredSuite) TestPutGetHead(c *C) {
 816         content := []byte("TestPutGetHead")
 817
 818         arv, err := arvadosclient.MakeArvadosClient()
 819         kc, err := MakeKeepClient(&arv)
 820         c.Assert(err, Equals, nil)
 821
 822         hash := fmt.Sprintf("%x", md5.Sum(content))
 823
 824         {
 825                 n, _, err := kc.Ask(hash)
 826                 c.Check(err, Equals, BlockNotFound)
 827                 c.Check(n, Equals, int64(0))
 828         }
 829         {
 830                 hash2, replicas, err := kc.PutB(content)
 831                 c.Check(hash2, Matches, fmt.Sprintf(`%s\+%d\b.*`, hash, len(content)))
 832                 c.Check(replicas, Equals, 2)
 833                 c.Check(err, Equals, nil)
 834         }
 835         {
 836                 r, n, url2, err := kc.Get(hash)
 837                 c.Check(err, Equals, nil)
 838                 c.Check(n, Equals, int64(len(content)))
 839                 c.Check(url2, Matches, fmt.Sprintf("http://localhost:\\d+/%s", hash))
 840
 841                 read_content, err2 := ioutil.ReadAll(r)
 842                 c.Check(err2, Equals, nil)
 843                 c.Check(read_content, DeepEquals, content)
 844         }
 845         {
 846                 n, url2, err := kc.Ask(hash)
 847                 c.Check(err, Equals, nil)
 848                 c.Check(n, Equals, int64(len(content)))
 849                 c.Check(url2, Matches, fmt.Sprintf("http://localhost:\\d+/%s", hash))
 850         }
 851 }
 852
 853 type StubProxyHandler struct {
 854         handled chan string
 855 }
 856
 857 func (this StubProxyHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
 858         resp.Header().Set("X-Keep-Replicas-Stored", "2")
 859         this.handled <- fmt.Sprintf("http://%s", req.Host)
 860 }
 861
 862 func (s *StandaloneSuite) TestPutProxy(c *C) {
 863         st := StubProxyHandler{make(chan string, 1)}
 864
 865         arv, err := arvadosclient.MakeArvadosClient()
 866         kc, _ := MakeKeepClient(&arv)
 867
 868         kc.Want_replicas = 2
 869         arv.ApiToken = "abc123"
 870         localRoots := make(map[string]string)
 871         writableLocalRoots := make(map[string]string)
 872
 873         ks1 := RunSomeFakeKeepServers(st, 1)
 874
 875         for i, k := range ks1 {
 876                 localRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i)] = k.url
 877                 writableLocalRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i)] = k.url
 878                 defer k.listener.Close()
 879         }
 880
 881         kc.SetServiceRoots(localRoots, writableLocalRoots, nil)
 882
 883         _, replicas, err := kc.PutB([]byte("foo"))
 884         <-st.handled
 885
 886         c.Check(err, Equals, nil)
 887         c.Check(replicas, Equals, 2)
 888 }
 889
 890 func (s *StandaloneSuite) TestPutProxyInsufficientReplicas(c *C) {
 891         st := StubProxyHandler{make(chan string, 1)}
 892
 893         arv, err := arvadosclient.MakeArvadosClient()
 894         kc, _ := MakeKeepClient(&arv)
 895
 896         kc.Want_replicas = 3
 897         arv.ApiToken = "abc123"
 898         localRoots := make(map[string]string)
 899         writableLocalRoots := make(map[string]string)
 900
 901         ks1 := RunSomeFakeKeepServers(st, 1)
 902
 903         for i, k := range ks1 {
 904                 localRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i)] = k.url
 905                 writableLocalRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i)] = k.url
 906                 defer k.listener.Close()
 907         }
 908         kc.SetServiceRoots(localRoots, writableLocalRoots, nil)
 909
 910         _, replicas, err := kc.PutB([]byte("foo"))
 911         <-st.handled
 912
 913         c.Check(err, Equals, InsufficientReplicasError)
 914         c.Check(replicas, Equals, 2)
 915 }
 916
 917 func (s *StandaloneSuite) TestMakeLocator(c *C) {
 918         l, err := MakeLocator("91f372a266fe2bf2823cb8ec7fda31ce+3+Aabcde@12345678")
 919         c.Check(err, Equals, nil)
 920         c.Check(l.Hash, Equals, "91f372a266fe2bf2823cb8ec7fda31ce")
 921         c.Check(l.Size, Equals, 3)
 922         c.Check(l.Hints, DeepEquals, []string{"3", "Aabcde@12345678"})
 923 }
 924
 925 func (s *StandaloneSuite) TestMakeLocatorNoHints(c *C) {
 926         l, err := MakeLocator("91f372a266fe2bf2823cb8ec7fda31ce")
 927         c.Check(err, Equals, nil)
 928         c.Check(l.Hash, Equals, "91f372a266fe2bf2823cb8ec7fda31ce")
 929         c.Check(l.Size, Equals, -1)
 930         c.Check(l.Hints, DeepEquals, []string{})
 931 }
 932
 933 func (s *StandaloneSuite) TestMakeLocatorNoSizeHint(c *C) {
 934         l, err := MakeLocator("91f372a266fe2bf2823cb8ec7fda31ce+Aabcde@12345678")
 935         c.Check(err, Equals, nil)
 936         c.Check(l.Hash, Equals, "91f372a266fe2bf2823cb8ec7fda31ce")
 937         c.Check(l.Size, Equals, -1)
 938         c.Check(l.Hints, DeepEquals, []string{"Aabcde@12345678"})
 939 }
 940
 941 func (s *StandaloneSuite) TestMakeLocatorPreservesUnrecognizedHints(c *C) {
 942         str := "91f372a266fe2bf2823cb8ec7fda31ce+3+Unknown+Kzzzzz+Afoobar"
 943         l, err := MakeLocator(str)
 944         c.Check(err, Equals, nil)
 945         c.Check(l.Hash, Equals, "91f372a266fe2bf2823cb8ec7fda31ce")
 946         c.Check(l.Size, Equals, 3)
 947         c.Check(l.Hints, DeepEquals, []string{"3", "Unknown", "Kzzzzz", "Afoobar"})
 948         c.Check(l.String(), Equals, str)
 949 }
 950
 951 func (s *StandaloneSuite) TestMakeLocatorInvalidInput(c *C) {
 952         _, err := MakeLocator("91f372a266fe2bf2823cb8ec7fda31c")
 953         c.Check(err, Equals, InvalidLocatorError)
 954 }
 955
 956 func (s *StandaloneSuite) TestPutBWant2ReplicasWithOnlyOneWritableLocalRoot(c *C) {
 957         hash := Md5String("foo")
 958
 959         st := StubPutHandler{
 960                 c,
 961                 hash,
 962                 "abc123",
 963                 "foo",
 964                 make(chan string, 5)}
 965
 966         arv, _ := arvadosclient.MakeArvadosClient()
 967         kc, _ := MakeKeepClient(&arv)
 968
 969         kc.Want_replicas = 2
 970         arv.ApiToken = "abc123"
 971         localRoots := make(map[string]string)
 972         writableLocalRoots := make(map[string]string)
 973
 974         ks := RunSomeFakeKeepServers(st, 5)
 975
 976         for i, k := range ks {
 977                 localRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i)] = k.url
 978                 if i == 0 {
 979                         writableLocalRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i)] = k.url
 980                 }
 981                 defer k.listener.Close()
 982         }
 983
 984         kc.SetServiceRoots(localRoots, writableLocalRoots, nil)
 985
 986         _, replicas, err := kc.PutB([]byte("foo"))
 987
 988         c.Check(err, Equals, InsufficientReplicasError)
 989         c.Check(replicas, Equals, 1)
 990
 991         c.Check(<-st.handled, Equals, localRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", 0)])
 992 }
 993
 994 func (s *StandaloneSuite) TestPutBWithNoWritableLocalRoots(c *C) {
 995         hash := Md5String("foo")
 996
 997         st := StubPutHandler{
 998                 c,
 999                 hash,
1000                 "abc123",
1001                 "foo",
1002                 make(chan string, 5)}
1003
1004         arv, _ := arvadosclient.MakeArvadosClient()
1005         kc, _ := MakeKeepClient(&arv)
1006
1007         kc.Want_replicas = 2
1008         arv.ApiToken = "abc123"
1009         localRoots := make(map[string]string)
1010         writableLocalRoots := make(map[string]string)
1011
1012         ks := RunSomeFakeKeepServers(st, 5)
1013
1014         for i, k := range ks {
1015                 localRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i)] = k.url
1016                 defer k.listener.Close()
1017         }
1018
1019         kc.SetServiceRoots(localRoots, writableLocalRoots, nil)
1020
1021         _, replicas, err := kc.PutB([]byte("foo"))
1022
1023         c.Check(err, Equals, InsufficientReplicasError)
1024         c.Check(replicas, Equals, 0)
1025 }
1026
1027 type StubGetIndexHandler struct {
1028         c              *C
1029         expectPath     string
1030         expectAPIToken string
1031         httpStatus     int
1032         body           []byte
1033 }
1034
1035 func (h StubGetIndexHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
1036         h.c.Check(req.URL.Path, Equals, h.expectPath)
1037         h.c.Check(req.Header.Get("Authorization"), Equals, fmt.Sprintf("OAuth2 %s", h.expectAPIToken))
1038         resp.WriteHeader(h.httpStatus)
1039         resp.Header().Set("Content-Length", fmt.Sprintf("%d", len(h.body)))
1040         resp.Write(h.body)
1041 }
1042
1043 func (s *StandaloneSuite) TestGetIndexWithNoPrefix(c *C) {
1044         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
1045
1046         st := StubGetIndexHandler{
1047                 c,
1048                 "/index",
1049                 "abc123",
1050                 http.StatusOK,
1051                 []byte(hash + "+3 1443559274\n\n")}
1052
1053         ks := RunFakeKeepServer(st)
1054         defer ks.listener.Close()
1055
1056         arv, err := arvadosclient.MakeArvadosClient()
1057         kc, _ := MakeKeepClient(&arv)
1058         arv.ApiToken = "abc123"
1059         kc.SetServiceRoots(map[string]string{"x": ks.url}, nil, nil)
1060
1061         r, err := kc.GetIndex("x", "")
1062         c.Check(err, Equals, nil)
1063
1064         content, err2 := ioutil.ReadAll(r)
1065         c.Check(err2, Equals, nil)
1066         c.Check(content, DeepEquals, st.body[0:len(st.body)-1])
1067 }
1068
1069 func (s *StandaloneSuite) TestGetIndexWithPrefix(c *C) {
1070         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
1071
1072         st := StubGetIndexHandler{
1073                 c,
1074                 "/index/" + hash[0:3],
1075                 "abc123",
1076                 http.StatusOK,
1077                 []byte(hash + "+3 1443559274\n\n")}
1078
1079         ks := RunFakeKeepServer(st)
1080         defer ks.listener.Close()
1081
1082         arv, err := arvadosclient.MakeArvadosClient()
1083         kc, _ := MakeKeepClient(&arv)
1084         arv.ApiToken = "abc123"
1085         kc.SetServiceRoots(map[string]string{"x": ks.url}, nil, nil)
1086
1087         r, err := kc.GetIndex("x", hash[0:3])
1088         c.Check(err, Equals, nil)
1089
1090         content, err2 := ioutil.ReadAll(r)
1091         c.Check(err2, Equals, nil)
1092         c.Check(content, DeepEquals, st.body[0:len(st.body)-1])
1093 }
1094
1095 func (s *StandaloneSuite) TestGetIndexIncomplete(c *C) {
1096         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
1097
1098         st := StubGetIndexHandler{
1099                 c,
1100                 "/index/" + hash[0:3],
1101                 "abc123",
1102                 http.StatusOK,
1103                 []byte(hash)}
1104
1105         ks := RunFakeKeepServer(st)
1106         defer ks.listener.Close()
1107
1108         arv, err := arvadosclient.MakeArvadosClient()
1109         kc, _ := MakeKeepClient(&arv)
1110         arv.ApiToken = "abc123"
1111         kc.SetServiceRoots(map[string]string{"x": ks.url}, nil, nil)
1112
1113         _, err = kc.GetIndex("x", hash[0:3])
1114         c.Check(err, Equals, ErrIncompleteIndex)
1115 }
1116
1117 func (s *StandaloneSuite) TestGetIndexWithNoSuchServer(c *C) {
1118         hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
1119
1120         st := StubGetIndexHandler{
1121                 c,
1122                 "/index/" + hash[0:3],
1123                 "abc123",
1124                 http.StatusOK,
1125                 []byte(hash)}
1126
1127         ks := RunFakeKeepServer(st)
1128         defer ks.listener.Close()
1129
1130         arv, err := arvadosclient.MakeArvadosClient()
1131         kc, _ := MakeKeepClient(&arv)
1132         arv.ApiToken = "abc123"
1133         kc.SetServiceRoots(map[string]string{"x": ks.url}, nil, nil)
1134
1135         _, err = kc.GetIndex("y", hash[0:3])
1136         c.Check(err, Equals, ErrNoSuchKeepServer)
1137 }
1138
1139 func (s *StandaloneSuite) TestGetIndexWithNoSuchPrefix(c *C) {
1140         st := StubGetIndexHandler{
1141                 c,
1142                 "/index/abcd",
1143                 "abc123",
1144                 http.StatusOK,
1145                 []byte("\n")}
1146
1147         ks := RunFakeKeepServer(st)
1148         defer ks.listener.Close()
1149
1150         arv, err := arvadosclient.MakeArvadosClient()
1151         kc, _ := MakeKeepClient(&arv)
1152         arv.ApiToken = "abc123"
1153         kc.SetServiceRoots(map[string]string{"x": ks.url}, nil, nil)
1154
1155         r, err := kc.GetIndex("x", "abcd")
1156         c.Check(err, Equals, nil)
1157
1158         content, err2 := ioutil.ReadAll(r)
1159         c.Check(err2, Equals, nil)
1160         c.Check(content, DeepEquals, st.body[0:len(st.body)-1])
1161 }
1162
1163 type FailThenSucceedPutHandler struct {
1164         handled        chan string
1165         count          int
1166         successhandler StubPutHandler
1167 }
1168
1169 func (h *FailThenSucceedPutHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
1170         if h.count == 0 {
1171                 resp.WriteHeader(500)
1172                 h.count += 1
1173                 h.handled <- fmt.Sprintf("http://%s", req.Host)
1174         } else {
1175                 h.successhandler.ServeHTTP(resp, req)
1176         }
1177 }
1178
1179 func (s *StandaloneSuite) TestPutBRetry(c *C) {
1180         st := &FailThenSucceedPutHandler{make(chan string, 1), 0,
1181                 StubPutHandler{
1182                         c,
1183                         Md5String("foo"),
1184                         "abc123",
1185                         "foo",
1186                         make(chan string, 5)}}
1187
1188         arv, _ := arvadosclient.MakeArvadosClient()
1189         kc, _ := MakeKeepClient(&arv)
1190
1191         kc.Want_replicas = 2
1192         arv.ApiToken = "abc123"
1193         localRoots := make(map[string]string)
1194         writableLocalRoots := make(map[string]string)
1195
1196         ks := RunSomeFakeKeepServers(st, 2)
1197
1198         for i, k := range ks {
1199                 localRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i)] = k.url
1200                 writableLocalRoots[fmt.Sprintf("zzzzz-bi6l4-fakefakefake%03d", i)] = k.url
1201                 defer k.listener.Close()
1202         }
1203
1204         kc.SetServiceRoots(localRoots, writableLocalRoots, nil)
1205
1206         hash, replicas, err := kc.PutB([]byte("foo"))
1207
1208         c.Check(err, Equals, nil)
1209         c.Check(hash, Equals, "")
1210         c.Check(replicas, Equals, 2)
1211 }
1212
1213 func (s *ServerRequiredSuite) TestMakeKeepClientWithNonDiskTypeService(c *C) {
1214         arv, err := arvadosclient.MakeArvadosClient()
1215         c.Assert(err, Equals, nil)
1216
1217         // Add an additional "testblobstore" keepservice
1218         blobKeepService := make(arvadosclient.Dict)
1219         err = arv.Create("keep_services",
1220                 arvadosclient.Dict{"keep_service": arvadosclient.Dict{
1221                         "service_host": "localhost",
1222                         "service_port": "21321",
1223                         "service_type": "testblobstore"}},
1224                 &blobKeepService)
1225         c.Assert(err, Equals, nil)
1226         defer func() { arv.Delete("keep_services", blobKeepService["uuid"].(string), nil, nil) }()
1227
1228         // Make a keepclient and ensure that the testblobstore is included
1229         kc, err := MakeKeepClient(&arv)
1230         c.Assert(err, Equals, nil)
1231
1232         // verify kc.LocalRoots
1233         c.Check(len(kc.LocalRoots()), Equals, 3)
1234         for _, root := range kc.LocalRoots() {
1235                 c.Check(root, Matches, "http://localhost:\\d+")
1236         }
1237         c.Assert(kc.LocalRoots()[blobKeepService["uuid"].(string)], Not(Equals), "")
1238
1239         // verify kc.GatewayRoots
1240         c.Check(len(kc.GatewayRoots()), Equals, 3)
1241         for _, root := range kc.GatewayRoots() {
1242                 c.Check(root, Matches, "http://localhost:\\d+")
1243         }
1244         c.Assert(kc.GatewayRoots()[blobKeepService["uuid"].(string)], Not(Equals), "")
1245
1246         // verify kc.WritableLocalRoots
1247         c.Check(len(kc.WritableLocalRoots()), Equals, 3)
1248         for _, root := range kc.WritableLocalRoots() {
1249                 c.Check(root, Matches, "http://localhost:\\d+")
1250         }
1251         c.Assert(kc.WritableLocalRoots()[blobKeepService["uuid"].(string)], Not(Equals), "")
1252
1253         c.Assert(kc.replicasPerService, Equals, 0)
1254         c.Assert(kc.foundNonDiskSvc, Equals, true)
1255         c.Assert(kc.Client.Timeout, Equals, 300*time.Second)
1256 }