DiscoveryDoc Dict
}
-// Create a new ArvadosClient, initialized with standard Arvados environment
-// variables ARVADOS_API_HOST, ARVADOS_API_TOKEN, and (optionally)
-// ARVADOS_API_HOST_INSECURE.
+// APIConfig struct consists of:
+// APIToken string
+// APIHost string
+// APIHostInsecure bool
+// ExternalClient bool
+type APIConfig struct {
+ APIToken string
+ APIHost string
+ APIHostInsecure bool
+ ExternalClient bool
+}
+
+// Create a new ArvadosClient, initialized with standard Arvados environment variables
+// ARVADOS_API_HOST, ARVADOS_API_TOKEN, ARVADOS_API_HOST_INSECURE, ARVADOS_EXTERNAL_CLIENT.
func MakeArvadosClient() (ac ArvadosClient, err error) {
+ var config APIConfig
+ config.APIToken = os.Getenv("ARVADOS_API_TOKEN")
+ config.APIHost = os.Getenv("ARVADOS_API_HOST")
+
var matchTrue = regexp.MustCompile("^(?i:1|yes|true)$")
- insecure := matchTrue.MatchString(os.Getenv("ARVADOS_API_HOST_INSECURE"))
- external := matchTrue.MatchString(os.Getenv("ARVADOS_EXTERNAL_CLIENT"))
+ config.APIHostInsecure = matchTrue.MatchString(os.Getenv("ARVADOS_API_HOST_INSECURE"))
+ config.ExternalClient = matchTrue.MatchString(os.Getenv("ARVADOS_EXTERNAL_CLIENT"))
+
+ return MakeArvadosClientWithConfig(config)
+}
+
+// Create a new ArvadosClient, using the given input parameters.
+func MakeArvadosClientWithConfig(config APIConfig) (ac ArvadosClient, err error) {
ac = ArvadosClient{
- ApiServer: os.Getenv("ARVADOS_API_HOST"),
- ApiToken: os.Getenv("ARVADOS_API_TOKEN"),
- ApiInsecure: insecure,
+ ApiServer: config.APIHost,
+ ApiToken: config.APIToken,
+ ApiInsecure: config.APIHostInsecure,
Client: &http.Client{Transport: &http.Transport{
- TLSClientConfig: &tls.Config{InsecureSkipVerify: insecure}}},
- External: external}
+ TLSClientConfig: &tls.Config{InsecureSkipVerify: config.APIHostInsecure}}},
+ External: config.ExternalClient}
if ac.ApiServer == "" {
return ac, MissingArvadosApiHost
}
func StartKeep() {
+ StartKeepAdditional(false)
+}
+
+func StartKeepAdditional(keepExisting bool) {
cwd, _ := os.Getwd()
defer os.Chdir(cwd)
chdirToPythonTests()
cmd := exec.Command("python", "run_test_server.py", "start_keep")
+ if keepExisting {
+ cmd = exec.Command("python", "run_test_server.py", "start_keep", "--keep_existing", "true")
+ }
stderr, err := cmd.StderrPipe()
if err != nil {
log.Fatalf("Setting up stderr pipe: %s", err)
replicasPerService int
}
-// Create a new KeepClient. This will contact the API server to discover Keep
-// servers.
+// MakeKeepClient creates a new KeepClient by contacting the API server to discover Keep servers.
func MakeKeepClient(arv *arvadosclient.ArvadosClient) (*KeepClient, error) {
+ kc := initKeepClient(arv)
+ return kc, kc.DiscoverKeepServers()
+}
+
+// MakeKeepClientFromJSON creates a new KeepClient using the given json to load keep servers.
+func MakeKeepClientFromJSON(arv *arvadosclient.ArvadosClient, svcJSON string) (*KeepClient, error) {
+ kc := initKeepClient(arv)
+ return kc, kc.DiscoverKeepServersFromJSON(svcJSON)
+}
+
+// Make a new KeepClient struct.
+func initKeepClient(arv *arvadosclient.ArvadosClient) *KeepClient {
var matchTrue = regexp.MustCompile("^(?i:1|yes|true)$")
insecure := matchTrue.MatchString(os.Getenv("ARVADOS_API_HOST_INSECURE"))
kc := &KeepClient{
Client: &http.Client{Transport: &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: insecure}}},
}
- return kc, kc.DiscoverKeepServers()
+ return kc
}
// Put a block given the block hash, a reader, and the number of bytes
import (
"crypto/md5"
+ "encoding/json"
"errors"
"fmt"
"git.curoverse.com/arvados.git/sdk/go/streamer"
}
}
+type svcList struct {
+ Items []keepService `json:"items"`
+}
+
// DiscoverKeepServers gets list of available keep services from api server
func (this *KeepClient) DiscoverKeepServers() error {
- type svcList struct {
- Items []keepService `json:"items"`
- }
- var m svcList
+ var list svcList
// Get keep services from api server
- err := this.Arvados.Call("GET", "keep_services", "", "accessible", nil, &m)
+ err := this.Arvados.Call("GET", "keep_services", "", "accessible", nil, &list)
if err != nil {
return err
}
+ return this.loadKeepServers(list)
+}
+
+// DiscoverKeepServersFromJSON gets list of available keep services from given JSON
+func (this *KeepClient) DiscoverKeepServersFromJSON(services string) error {
+ var list svcList
+
+ // Load keep services from given json
+ dec := json.NewDecoder(strings.NewReader(services))
+ if err := dec.Decode(&list); err != nil {
+ return err
+ }
+
+ return this.loadKeepServers(list)
+}
+
+// loadKeepServers
+func (this *KeepClient) loadKeepServers(list svcList) error {
listed := make(map[string]bool)
localRoots := make(map[string]string)
gatewayRoots := make(map[string]string)
this.replicasPerService = 1
this.Using_proxy = false
- for _, service := range m.Items {
+ for _, service := range list.Items {
scheme := "http"
if service.SSL {
scheme = "https"
my_api_host = None
_cached_config = {}
+keep_existing = None
def find_server_pid(PID_PATH, wait=10):
now = time.time()
return port
def run_keep(blob_signing_key=None, enforce_permissions=False):
- stop_keep()
+ if keep_existing is None:
+ stop_keep()
keep_args = {}
if not blob_signing_key:
host=os.environ['ARVADOS_API_HOST'],
token=os.environ['ARVADOS_API_TOKEN'],
insecure=True)
+
for d in api.keep_services().list().execute()['items']:
api.keep_services().delete(uuid=d['uuid']).execute()
for d in api.keep_disks().list().execute()['items']:
api.keep_disks().delete(uuid=d['uuid']).execute()
- for d in range(0, 2):
+ start_index = 0
+ end_index = 2
+ if keep_existing is not None:
+ start_index = 2
+ end_index = 3
+ for d in range(start_index, end_index):
port = _start_keep(d, keep_args)
svc = api.keep_services().create(body={'keep_service': {
'uuid': 'zzzzz-bi6l4-keepdisk{:07d}'.format(d),
def stop_keep():
_stop_keep(0)
_stop_keep(1)
+ # We may have created an additional keep servers when keep_existing is used
+ _stop_keep(2)
def run_keep_proxy():
if 'ARVADOS_TEST_PROXY_SERVICES' in os.environ:
parser = argparse.ArgumentParser()
parser.add_argument('action', type=str, help="one of {}".format(actions))
parser.add_argument('--auth', type=str, metavar='FIXTURE_NAME', help='Print authorization info for given api_client_authorizations fixture')
+ parser.add_argument('--keep_existing', type=str, help="Used to add additional keep servers, without terminating existing servers")
args = parser.parse_args()
+ keep_existing = args.keep_existing
+
if args.action not in actions:
print("Unrecognized action '{}'. Actions are: {}.".format(args.action, actions), file=sys.stderr)
sys.exit(1)
--- /dev/null
+keep-rsync
--- /dev/null
+package main
+
+import (
+ "bytes"
+ "flag"
+ "git.curoverse.com/arvados.git/sdk/go/arvadosclient"
+ "git.curoverse.com/arvados.git/sdk/go/keepclient"
+ "io/ioutil"
+ "log"
+ "regexp"
+ "strings"
+)
+
+// keep-rsync arguments
+var (
+ srcConfig arvadosclient.APIConfig
+ dstConfig arvadosclient.APIConfig
+ srcKeepServicesJSON string
+ dstKeepServicesJSON string
+ replications int
+ prefix string
+)
+
+func main() {
+ var srcConfigFile string
+ var dstConfigFile string
+
+ flag.StringVar(
+ &srcConfigFile,
+ "src-config-file",
+ "",
+ "Source configuration filename with full path that contains "+
+ "an ARVADOS_API_TOKEN which is a valid datamanager token recognized by the source keep servers, "+
+ "ARVADOS_API_HOST, ARVADOS_API_HOST_INSECURE, and ARVADOS_BLOB_SIGNING_KEY.")
+
+ flag.StringVar(
+ &dstConfigFile,
+ "dst-config-file",
+ "",
+ "Destination configuration filename with full path that contains "+
+ "an ARVADOS_API_TOKEN which is a valid datamanager token recognized by the destination keep servers, "+
+ "ARVADOS_API_HOST, ARVADOS_API_HOST_INSECURE, and ARVADOS_BLOB_SIGNING_KEY.")
+
+ flag.StringVar(
+ &srcKeepServicesJSON,
+ "src-keep-services-json",
+ "",
+ "An optional list of available source keepservices. "+
+ "If not provided, this list is obtained from api server configured in src-config-file.")
+
+ flag.StringVar(
+ &dstKeepServicesJSON,
+ "dst-keep-services-json",
+ "",
+ "An optional list of available destination keepservices. "+
+ "If not provided, this list is obtained from api server configured in dst-config-file.")
+
+ flag.IntVar(
+ &replications,
+ "replications",
+ 3,
+ "Number of replications to write to the destination.")
+
+ flag.StringVar(
+ &prefix,
+ "prefix",
+ "",
+ "Index prefix")
+
+ flag.Parse()
+
+ var err error
+
+ // Load config
+ if srcConfigFile == "" {
+ log.Fatal("-src-config-file must be specified.")
+ }
+ srcConfig, err = readConfigFromFile(srcConfigFile)
+ if err != nil {
+ log.Fatal("Error reading source configuration: %s", err.Error())
+ }
+
+ if dstConfigFile == "" {
+ log.Fatal("-dst-config-file must be specified.")
+ }
+ dstConfig, err = readConfigFromFile(dstConfigFile)
+ if err != nil {
+ log.Fatal("Error reading destination configuration: %s", err.Error())
+ }
+
+ // Initialize keep-rsync
+ err = initializeKeepRsync()
+ if err != nil {
+ log.Fatal("Error configurating keep-rsync: %s", err.Error())
+ }
+
+ // Copy blocks not found in dst from src
+ performKeepRsync()
+}
+
+var matchTrue = regexp.MustCompile("^(?i:1|yes|true)$")
+
+// Reads config from file
+func readConfigFromFile(filename string) (arvadosclient.APIConfig, error) {
+ var config arvadosclient.APIConfig
+
+ content, err := ioutil.ReadFile(filename)
+ if err != nil {
+ return config, err
+ }
+
+ lines := strings.Split(string(content), "\n")
+ for _, line := range lines {
+ if line == "" {
+ continue
+ }
+ kv := strings.Split(line, "=")
+
+ switch kv[0] {
+ case "ARVADOS_API_TOKEN":
+ config.APIToken = kv[1]
+ case "ARVADOS_API_HOST":
+ config.APIHost = kv[1]
+ case "ARVADOS_API_HOST_INSECURE":
+ config.APIHostInsecure = matchTrue.MatchString(kv[1])
+ case "ARVADOS_EXTERNAL_CLIENT":
+ config.ExternalClient = matchTrue.MatchString(kv[1])
+ }
+ }
+ return config, nil
+}
+
+// keep-rsync source and destination clients
+var (
+ arvSrc arvadosclient.ArvadosClient
+ arvDst arvadosclient.ArvadosClient
+ kcSrc *keepclient.KeepClient
+ kcDst *keepclient.KeepClient
+)
+
+// Initializes keep-rsync using the config provided
+func initializeKeepRsync() (err error) {
+ // arvSrc from srcConfig
+ arvSrc, err = arvadosclient.MakeArvadosClientWithConfig(srcConfig)
+ if err != nil {
+ return
+ }
+
+ // arvDst from dstConfig
+ arvDst, err = arvadosclient.MakeArvadosClientWithConfig(dstConfig)
+ if err != nil {
+ return
+ }
+
+ // if srcKeepServicesJSON is provided, use it to load services; else, use DiscoverKeepServers
+ if srcKeepServicesJSON == "" {
+ kcSrc, err = keepclient.MakeKeepClient(&arvSrc)
+ if err != nil {
+ return
+ }
+ } else {
+ kcSrc, err = keepclient.MakeKeepClientFromJSON(&arvSrc, srcKeepServicesJSON)
+ if err != nil {
+ return
+ }
+ }
+
+ // if dstKeepServicesJSON is provided, use it to load services; else, use DiscoverKeepServers
+ if dstKeepServicesJSON == "" {
+ kcDst, err = keepclient.MakeKeepClient(&arvDst)
+ if err != nil {
+ return
+ }
+ } else {
+ kcDst, err = keepclient.MakeKeepClientFromJSON(&arvDst, dstKeepServicesJSON)
+ if err != nil {
+ return
+ }
+ }
+ kcDst.Want_replicas = replications
+
+ return
+}
+
+// Get unique block locators from src and dst
+// Copy any blocks missing in dst
+func performKeepRsync() error {
+ // Get unique locators from src
+ srcIndex, err := getUniqueLocators(kcSrc, prefix)
+ if err != nil {
+ return err
+ }
+
+ // Get unique locators from dst
+ dstIndex, err := getUniqueLocators(kcDst, prefix)
+ if err != nil {
+ return err
+ }
+
+ // Get list of locators found in src, but missing in dst
+ toBeCopied := getMissingLocators(srcIndex, dstIndex)
+
+ // Copy each missing block to dst
+ copyBlocksToDst(toBeCopied)
+
+ return nil
+}
+
+// Get list of unique locators from the specified cluster
+func getUniqueLocators(kc *keepclient.KeepClient, prefix string) (map[string]bool, error) {
+ var indexBytes []byte
+
+ for uuid := range kc.LocalRoots() {
+ reader, err := kc.GetIndex(uuid, prefix)
+ if err != nil {
+ return nil, err
+ }
+
+ var readBytes []byte
+ readBytes, err = ioutil.ReadAll(reader)
+ if err != nil {
+ return nil, err
+ }
+
+ indexBytes = append(indexBytes, readBytes...)
+ }
+
+ // Got index; Now dedup it
+ locators := bytes.Split(indexBytes, []byte("\n"))
+
+ uniqueLocators := map[string]bool{}
+ for _, loc := range locators {
+ if len(loc) == 0 {
+ continue
+ }
+
+ locator := string(bytes.Split(loc, []byte(" "))[0])
+ if _, ok := uniqueLocators[locator]; !ok {
+ uniqueLocators[locator] = true
+ }
+ }
+ return uniqueLocators, nil
+}
+
+// Get list of locators that are in src but not in dst
+func getMissingLocators(srcLocators map[string]bool, dstLocators map[string]bool) []string {
+ var missingLocators []string
+ for locator := range srcLocators {
+ if _, ok := dstLocators[locator]; !ok {
+ missingLocators = append(missingLocators, locator)
+ }
+ }
+ return missingLocators
+}
+
+// Copy blocks from src to dst; only those that are missing in dst are copied
+func copyBlocksToDst(toBeCopied []string) {
+ done := 0
+ total := len(toBeCopied)
+ var failed []string
+
+ for _, locator := range toBeCopied {
+ log.Printf("Getting block %d of %d", done+1, total)
+
+ log.Printf("Getting block: %v", locator)
+
+ reader, _, _, err := kcSrc.Get(locator)
+ if err != nil {
+ log.Printf("Error getting block: %q %v", locator, err)
+ failed = append(failed, locator)
+ continue
+ }
+ data, err := ioutil.ReadAll(reader)
+ if err != nil {
+ log.Printf("Error reading block data: %q %v", locator, err)
+ failed = append(failed, locator)
+ continue
+ }
+
+ log.Printf("Copying block: %q", locator)
+ _, rep, err := kcDst.PutB(data)
+ if err != nil {
+ log.Printf("Error putting block data: %q %v", locator, err)
+ failed = append(failed, locator)
+ continue
+ }
+ if rep != replications {
+ log.Printf("Failed to put enough number of replicas. Wanted: %d; Put: %d", replications, rep)
+ failed = append(failed, locator)
+ continue
+ }
+
+ done++
+ log.Printf("%.2f%% done", float64(done)/float64(total)*100)
+ }
+
+ log.Printf("Successfully copied to destination %d and failed %d out of a total of %d", done, len(failed), total)
+ log.Printf("Failed blocks %v", failed)
+}
--- /dev/null
+package main
+
+import (
+ "crypto/md5"
+ "fmt"
+ "io/ioutil"
+ "os"
+ "regexp"
+ "testing"
+
+ "git.curoverse.com/arvados.git/sdk/go/arvadostest"
+ "git.curoverse.com/arvados.git/sdk/go/keepclient"
+
+ . "gopkg.in/check.v1"
+)
+
+// Gocheck boilerplate
+func Test(t *testing.T) {
+ TestingT(t)
+}
+
+// Gocheck boilerplate
+var _ = Suite(&ServerRequiredSuite{})
+
+// Tests that require the Keep server running
+type ServerRequiredSuite struct{}
+
+func (s *ServerRequiredSuite) SetUpSuite(c *C) {
+}
+
+func (s *ServerRequiredSuite) SetUpTest(c *C) {
+ arvadostest.ResetEnv()
+ srcKeepServicesJSON = ""
+ dstKeepServicesJSON = ""
+}
+
+func (s *ServerRequiredSuite) TearDownSuite(c *C) {
+ arvadostest.StopKeep()
+ arvadostest.StopAPI()
+}
+
+// Testing keep-rsync needs two sets of keep services: src and dst.
+// The test setup hence tweaks keep-rsync initialzation to achieve this.
+// First invoke initializeKeepRsync and then invoke StartKeepAdditional
+// to create the keep servers to be used as destination.
+func setupRsync(c *C) {
+ // srcConfig
+ srcConfig.APIHost = os.Getenv("ARVADOS_API_HOST")
+ srcConfig.APIToken = os.Getenv("ARVADOS_API_TOKEN")
+ srcConfig.APIHostInsecure = matchTrue.MatchString(os.Getenv("ARVADOS_API_HOST_INSECURE"))
+
+ // dstConfig
+ dstConfig.APIHost = os.Getenv("ARVADOS_API_HOST")
+ dstConfig.APIToken = os.Getenv("ARVADOS_API_TOKEN")
+ dstConfig.APIHostInsecure = matchTrue.MatchString(os.Getenv("ARVADOS_API_HOST_INSECURE"))
+
+ replications = 1
+
+ // Start API and Keep servers
+ arvadostest.StartAPI()
+ arvadostest.StartKeep()
+
+ // initialize keep-rsync
+ err := initializeKeepRsync()
+ c.Assert(err, Equals, nil)
+
+ // Create two more keep servers to be used as destination
+ arvadostest.StartKeepAdditional(true)
+
+ // load kcDst
+ kcDst, err = keepclient.MakeKeepClient(&arvDst)
+ c.Assert(err, Equals, nil)
+ kcDst.Want_replicas = 1
+}
+
+// Test readConfigFromFile method
+func (s *ServerRequiredSuite) TestReadConfigFromFile(c *C) {
+ // Setup a test config file
+ file, err := ioutil.TempFile(os.TempDir(), "config")
+ c.Assert(err, Equals, nil)
+ defer os.Remove(file.Name())
+
+ fileContent := "ARVADOS_API_HOST=testhost\n"
+ fileContent += "ARVADOS_API_TOKEN=testtoken\n"
+ fileContent += "ARVADOS_API_HOST_INSECURE=true"
+
+ _, err = file.Write([]byte(fileContent))
+
+ // Invoke readConfigFromFile method with this test filename
+ config, err := readConfigFromFile(file.Name())
+ c.Assert(err, Equals, nil)
+ c.Assert(config.APIHost, Equals, "testhost")
+ c.Assert(config.APIToken, Equals, "testtoken")
+ c.Assert(config.APIHostInsecure, Equals, true)
+ c.Assert(config.ExternalClient, Equals, false)
+}
+
+// Test keep-rsync initialization, with src and dst keep servers.
+// Do a Put and Get in src, both of which should succeed.
+// Do a Put and Get in dst, both of which should succeed.
+// Do a Get in dst for the src hash, which should raise block not found error.
+// Do a Get in src for the dst hash, which should raise block not found error.
+func (s *ServerRequiredSuite) TestRsyncPutInOne_GetFromOtherShouldFail(c *C) {
+ setupRsync(c)
+
+ // Put a block in src using kcSrc and Get it
+ srcData := []byte("test-data1")
+ locatorInSrc := fmt.Sprintf("%x", md5.Sum(srcData))
+
+ hash, rep, err := kcSrc.PutB(srcData)
+ c.Check(hash, Matches, fmt.Sprintf(`^%s\+10(\+.+)?$`, locatorInSrc))
+ c.Check(rep, Equals, 2)
+ c.Check(err, Equals, nil)
+
+ reader, blocklen, _, err := kcSrc.Get(locatorInSrc)
+ c.Assert(err, Equals, nil)
+ c.Check(blocklen, Equals, int64(10))
+ all, err := ioutil.ReadAll(reader)
+ c.Check(all, DeepEquals, srcData)
+
+ // Put a different block in src using kcSrc and Get it
+ dstData := []byte("test-data2")
+ locatorInDst := fmt.Sprintf("%x", md5.Sum(dstData))
+
+ hash, rep, err = kcDst.PutB(dstData)
+ c.Check(hash, Matches, fmt.Sprintf(`^%s\+10(\+.+)?$`, locatorInDst))
+ c.Check(rep, Equals, 1)
+ c.Check(err, Equals, nil)
+
+ reader, blocklen, _, err = kcDst.Get(locatorInDst)
+ c.Assert(err, Equals, nil)
+ c.Check(blocklen, Equals, int64(10))
+ all, err = ioutil.ReadAll(reader)
+ c.Check(all, DeepEquals, dstData)
+
+ // Get srcLocator using kcDst should fail with NotFound error
+ _, _, _, err = kcDst.Get(locatorInSrc)
+ c.Assert(err.Error(), Equals, "Block not found")
+
+ // Get dstLocator using kcSrc should fail with NotFound error
+ _, _, _, err = kcSrc.Get(locatorInDst)
+ c.Assert(err.Error(), Equals, "Block not found")
+}
+
+// Test keep-rsync initialization, with srcKeepServicesJSON
+func (s *ServerRequiredSuite) TestRsyncInitializeWithKeepServicesJSON(c *C) {
+ srcKeepServicesJSON = "{ \"kind\":\"arvados#keepServiceList\", \"etag\":\"\", \"self_link\":\"\", \"offset\":null, \"limit\":null, \"items\":[ { \"href\":\"/keep_services/zzzzz-bi6l4-123456789012340\", \"kind\":\"arvados#keepService\", \"etag\":\"641234567890enhj7hzx432e5\", \"uuid\":\"zzzzz-bi6l4-123456789012340\", \"owner_uuid\":\"zzzzz-tpzed-123456789012345\", \"service_host\":\"keep0.zzzzz.arvadosapi.com\", \"service_port\":25107, \"service_ssl_flag\":false, \"service_type\":\"disk\", \"read_only\":false }, { \"href\":\"/keep_services/zzzzz-bi6l4-123456789012341\", \"kind\":\"arvados#keepService\", \"etag\":\"641234567890enhj7hzx432e5\", \"uuid\":\"zzzzz-bi6l4-123456789012341\", \"owner_uuid\":\"zzzzz-tpzed-123456789012345\", \"service_host\":\"keep0.zzzzz.arvadosapi.com\", \"service_port\":25108, \"service_ssl_flag\":false, \"service_type\":\"disk\", \"read_only\":false } ], \"items_available\":2 }"
+
+ setupRsync(c)
+
+ localRoots := kcSrc.LocalRoots()
+ c.Check(localRoots != nil, Equals, true)
+
+ foundIt := false
+ for k := range localRoots {
+ if k == "zzzzz-bi6l4-123456789012340" {
+ foundIt = true
+ }
+ }
+ c.Check(foundIt, Equals, true)
+
+ foundIt = false
+ for k := range localRoots {
+ if k == "zzzzz-bi6l4-123456789012341" {
+ foundIt = true
+ }
+ }
+ c.Check(foundIt, Equals, true)
+}
+
+// Put 5 blocks in src. Put 2 of those blocks in dst
+// Hence there are 3 additional blocks in src
+// Also, put 2 extra blocks in dts; they are hence only in dst
+// Run rsync and verify that those 7 blocks are now available in dst
+func (s *ServerRequiredSuite) TestKeepRsync(c *C) {
+ setupRsync(c)
+
+ // Put a few blocks in src using kcSrc
+ var srcLocators []string
+ for i := 0; i < 5; i++ {
+ data := []byte(fmt.Sprintf("test-data-%d", i))
+ hash := fmt.Sprintf("%x", md5.Sum(data))
+
+ hash2, rep, err := kcSrc.PutB(data)
+ c.Check(hash2, Matches, fmt.Sprintf(`^%s\+11(\+.+)?$`, hash))
+ c.Check(rep, Equals, 2)
+ c.Check(err, Equals, nil)
+
+ reader, blocklen, _, err := kcSrc.Get(hash)
+ c.Assert(err, Equals, nil)
+ c.Check(blocklen, Equals, int64(11))
+ all, err := ioutil.ReadAll(reader)
+ c.Check(all, DeepEquals, data)
+
+ srcLocators = append(srcLocators, fmt.Sprintf("%s+%d", hash, blocklen))
+ }
+
+ // Put just two of those blocks in dst using kcDst
+ var dstLocators []string
+ for i := 0; i < 2; i++ {
+ data := []byte(fmt.Sprintf("test-data-%d", i))
+ hash := fmt.Sprintf("%x", md5.Sum(data))
+
+ hash2, rep, err := kcDst.PutB(data)
+ c.Check(hash2, Matches, fmt.Sprintf(`^%s\+11(\+.+)?$`, hash))
+ c.Check(rep, Equals, 1)
+ c.Check(err, Equals, nil)
+
+ reader, blocklen, _, err := kcDst.Get(hash)
+ c.Assert(err, Equals, nil)
+ c.Check(blocklen, Equals, int64(11))
+ all, err := ioutil.ReadAll(reader)
+ c.Check(all, DeepEquals, data)
+
+ dstLocators = append(dstLocators, fmt.Sprintf("%s+%d", hash, blocklen))
+ }
+
+ // Put two more blocks in dst; they are not in src at all
+ var extraDstLocators []string
+ for i := 0; i < 2; i++ {
+ data := []byte(fmt.Sprintf("other-data-%d", i))
+ hash := fmt.Sprintf("%x", md5.Sum(data))
+
+ hash2, rep, err := kcDst.PutB(data)
+ c.Check(hash2, Matches, fmt.Sprintf(`^%s\+12(\+.+)?$`, hash))
+ c.Check(rep, Equals, 1)
+ c.Check(err, Equals, nil)
+
+ reader, blocklen, _, err := kcDst.Get(hash)
+ c.Assert(err, Equals, nil)
+ c.Check(blocklen, Equals, int64(12))
+ all, err := ioutil.ReadAll(reader)
+ c.Check(all, DeepEquals, data)
+
+ extraDstLocators = append(extraDstLocators, fmt.Sprintf("%s+%d", hash, blocklen))
+ }
+
+ err := performKeepRsync()
+ c.Check(err, Equals, nil)
+
+ // Now GetIndex from dst and verify that all 5 from src and the 2 extra blocks are found
+ dstIndex, err := getUniqueLocators(kcDst, "")
+ c.Check(err, Equals, nil)
+ for _, locator := range srcLocators {
+ _, ok := dstIndex[locator]
+ c.Assert(ok, Equals, true)
+ }
+ for _, locator := range extraDstLocators {
+ _, ok := dstIndex[locator]
+ c.Assert(ok, Equals, true)
+ }
+}
projects / arvados.git / commitdiff