func TestKeyvalueVersioning(t *testing.T) {
datastore.OpenTest()
defer datastore.CloseTest()
uuid, _ := initTestRepo()
config := dvid.NewConfig()
dataservice, err := datastore.NewData(uuid, kvtype, "versiontest", config)
if err != nil {
t.Fatalf("Error creating new keyvalue instance: %v\n", err)
}
data, ok := dataservice.(*Data)
if !ok {
t.Fatalf("Returned new data instance is not keyvalue.Data\n")
}
// PUT a value
key1 := "mykey"
value1 := "some stuff"
key1req := fmt.Sprintf("%snode/%s/%s/key/%s", server.WebAPIPath, uuid, data.DataName(), key1)
server.TestHTTP(t, "POST", key1req, strings.NewReader(value1))
// Add 2nd k/v
key2 := "my2ndkey"
value2 := "more good stuff"
key2req := fmt.Sprintf("%snode/%s/%s/key/%s", server.WebAPIPath, uuid, data.DataName(), key2)
server.TestHTTP(t, "POST", key2req, strings.NewReader(value2))
// Create a new version in repo
if err = datastore.Commit(uuid, "my commit msg", []string{"stuff one", "stuff two"}); err != nil {
t.Errorf("Unable to lock root node %s: %v\n", uuid, err)
}
uuid2, err := datastore.NewVersion(uuid, "some child", nil)
if err != nil {
t.Fatalf("Unable to create new version off node %s: %v\n", uuid, err)
}
_, err = datastore.VersionFromUUID(uuid2)
if err != nil {
t.Fatalf("Unable to get version ID from new uuid %s: %v\n", uuid2, err)
}
// Change the 2nd k/v
uuid2val := "this is completely different"
uuid2req := fmt.Sprintf("%snode/%s/%s/key/%s", server.WebAPIPath, uuid2, data.DataName(), key2)
server.TestHTTP(t, "POST", uuid2req, strings.NewReader(uuid2val))
// Get the first version value
returnValue := server.TestHTTP(t, "GET", key2req, nil)
if string(returnValue) != value2 {
t.Errorf("Error on first version, key %q: expected %s, got %s\n", key2, value2, string(returnValue))
}
// Get the second version value
returnValue = server.TestHTTP(t, "GET", uuid2req, nil)
if string(returnValue) != uuid2val {
t.Errorf("Error on second version, key %q: expected %s, got %s\n", key2, uuid2val, string(returnValue))
}
// Check return of first two keys in range.
rangereq := fmt.Sprintf("%snode/%s/%s/keyrange/%s/%s", server.WebAPIPath, uuid, data.DataName(),
"my", "zebra")
returnValue = server.TestHTTP(t, "GET", rangereq, nil)
var retrievedKeys []string
if err = json.Unmarshal(returnValue, &retrievedKeys); err != nil {
t.Errorf("Bad key range request unmarshal: %v\n", err)
}
if len(retrievedKeys) != 2 || retrievedKeys[1] != "mykey" && retrievedKeys[0] != "my2ndKey" {
t.Errorf("Bad key range request return. Expected: [%q,%q]. Got: %s\n",
key1, key2, string(returnValue))
}
// Commit the repo
if err = datastore.Commit(uuid2, "my 2nd commit msg", []string{"changed 2nd k/v"}); err != nil {
t.Errorf("Unable to commit node %s: %v\n", uuid2, err)
}
// Make grandchild of root
uuid3, err := datastore.NewVersion(uuid2, "some child", nil)
if err != nil {
t.Fatalf("Unable to create new version off node %s: %v\n", uuid2, err)
}
// Delete the 2nd k/v
uuid3req := fmt.Sprintf("%snode/%s/%s/key/%s", server.WebAPIPath, uuid3, data.DataName(), key2)
server.TestHTTP(t, "DELETE", uuid3req, nil)
server.TestBadHTTP(t, "GET", uuid3req, nil)
// Make sure the 2nd k/v is correct for each of previous versions.
returnValue = server.TestHTTP(t, "GET", key2req, nil)
if string(returnValue) != value2 {
t.Errorf("Error on first version, key %q: expected %s, got %s\n", key2, value2, string(returnValue))
}
returnValue = server.TestHTTP(t, "GET", uuid2req, nil)
if string(returnValue) != uuid2val {
t.Errorf("Error on second version, key %q: expected %s, got %s\n", key2, uuid2val, string(returnValue))
}
// Make a child
if err = datastore.Commit(uuid3, "my 3rd commit msg", []string{"deleted 2nd k/v"}); err != nil {
t.Errorf("Unable to commit node %s: %v\n", uuid2, err)
}
uuid4, err := datastore.NewVersion(uuid3, "some child", nil)
if err != nil {
t.Fatalf("Unable to create new version off node %s: %v\n", uuid3, err)
}
// Change the 2nd k/v
uuid4val := "we are reintroducing this k/v"
uuid4req := fmt.Sprintf("%snode/%s/%s/key/%s", server.WebAPIPath, uuid4, data.DataName(), key2)
server.TestHTTP(t, "POST", uuid4req, strings.NewReader(uuid4val))
if err = datastore.Commit(uuid4, "commit node 4", []string{"we modified stuff"}); err != nil {
t.Errorf("Unable to commit node %s: %v\n", uuid4, err)
}
// Make sure the 2nd k/v is correct for each of previous versions.
returnValue = server.TestHTTP(t, "GET", key2req, nil)
if string(returnValue) != value2 {
t.Errorf("Error on first version, key %q: expected %s, got %s\n", key2, value2, string(returnValue))
}
returnValue = server.TestHTTP(t, "GET", uuid2req, nil)
if string(returnValue) != uuid2val {
t.Errorf("Error on second version, key %q: expected %s, got %s\n", key2, uuid2val, string(returnValue))
}
server.TestBadHTTP(t, "GET", uuid3req, nil)
returnValue = server.TestHTTP(t, "GET", uuid4req, nil)
if string(returnValue) != uuid4val {
t.Errorf("Error on fourth version, key %q: expected %s, got %s\n", key2, uuid4val, string(returnValue))
}
// Let's try a merge!
// Make a child off the 2nd version from root.
uuid5, err := datastore.NewVersion(uuid2, "some child", nil)
if err != nil {
t.Fatalf("Unable to create new version off node %s: %v\n", uuid2, err)
}
// Store new stuff in 2nd k/v
uuid5val := "this is forked value"
uuid5req := fmt.Sprintf("%snode/%s/%s/key/%s", server.WebAPIPath, uuid5, data.DataName(), key2)
server.TestHTTP(t, "POST", uuid5req, strings.NewReader(uuid5val))
returnValue = server.TestHTTP(t, "GET", uuid5req, nil)
if string(returnValue) != uuid5val {
t.Errorf("Error on merged child, key %q: expected %q, got %q\n", key2, uuid5val, string(returnValue))
}
// Commit node
if err = datastore.Commit(uuid5, "forked node", []string{"we modified stuff"}); err != nil {
t.Errorf("Unable to commit node %s: %v\n", uuid5, err)
}
// Should be able to merge using conflict-free (disjoint at key level) merge even though
// its conflicted. Will get lazy error on request.
badChild, err := datastore.Merge([]dvid.UUID{uuid4, uuid5}, "some child", datastore.MergeConflictFree)
if err != nil {
t.Errorf("Error doing merge: %v\n", err)
}
childreq := fmt.Sprintf("%snode/%s/%s/key/%s", server.WebAPIPath, badChild, data.DataName(), key2)
server.TestBadHTTP(t, "GET", childreq, nil)
// Manually fix conflict: Branch, and then delete 2nd k/v and commit.
uuid6, err := datastore.NewVersion(uuid5, "some child", nil)
if err != nil {
t.Fatalf("Unable to create new version off node %s: %v\n", uuid5, err)
}
uuid6req := fmt.Sprintf("%snode/%s/%s/key/%s", server.WebAPIPath, uuid6, data.DataName(), key2)
server.TestHTTP(t, "DELETE", uuid6req, nil)
server.TestBadHTTP(t, "GET", uuid6req, nil)
if err = datastore.Commit(uuid6, "deleted forked node 2nd k/v", []string{"we modified stuff"}); err != nil {
t.Errorf("Unable to commit node %s: %s\n", uuid6, err)
}
// Should now be able to correctly merge the two branches.
goodChild, err := datastore.Merge([]dvid.UUID{uuid4, uuid6}, "merging stuff", datastore.MergeConflictFree)
if err != nil {
t.Errorf("Error doing merge: %v\n", err)
}
// We should be able to see just the original uuid4 value of the 2nd k/v
childreq = fmt.Sprintf("%snode/%s/%s/key/%s", server.WebAPIPath, goodChild, data.DataName(), key2)
returnValue = server.TestHTTP(t, "GET", childreq, nil)
if string(returnValue) != uuid4val {
t.Errorf("Error on merged child, key %q: expected %q, got %q\n", key2, uuid4val, string(returnValue))
}
// Apply the automatic conflict resolution using ordering.
payload := fmt.Sprintf(`{"data":["versiontest"],"parents":[%q,%q],"note":"automatic resolved merge"}`, uuid5, uuid4)
resolveReq := fmt.Sprintf("%srepo/%s/resolve", server.WebAPIPath, uuid4)
returnValue = server.TestHTTP(t, "POST", resolveReq, bytes.NewBufferString(payload))
resolveResp := struct {
Child dvid.UUID `json:"child"`
}{}
if err := json.Unmarshal(returnValue, &resolveResp); err != nil {
t.Fatalf("Can't parse return of resolve request: %s\n", string(returnValue))
}
// We should now see the uuid5 version of the 2nd k/v in the returned merged node.
childreq = fmt.Sprintf("%snode/%s/%s/key/%s", server.WebAPIPath, resolveResp.Child, data.DataName(), key2)
returnValue = server.TestHTTP(t, "GET", childreq, nil)
if string(returnValue) != uuid5val {
t.Errorf("Error on auto merged child, key %q: expected %q, got %q\n", key2, uuid5val, string(returnValue))
}
// Introduce a child off root but don't add 2nd k/v to it.
uuid7, err := datastore.NewVersion(uuid, "2nd child off root", nil)
if err != nil {
t.Fatalf("Unable to create new version off node %s: %v\n", uuid, err)
}
if err = datastore.Commit(uuid7, "useless node", []string{"we modified nothing!"}); err != nil {
t.Errorf("Unable to commit node %s: %v\n", uuid7, err)
}
// Now merge the previously merged node with the newly created "blank" child off root.
if err = datastore.Commit(goodChild, "this was a good merge", []string{}); err != nil {
t.Errorf("Unable to commit node %s: %v\n", goodChild, err)
}
merge2, err := datastore.Merge([]dvid.UUID{goodChild, uuid7}, "merging a useless path", datastore.MergeConflictFree)
if err != nil {
t.Errorf("Error doing merge: %v\n", err)
}
merge3, err := datastore.Merge([]dvid.UUID{uuid7, goodChild}, "merging a useless path in reverse order", datastore.MergeConflictFree)
if err != nil {
t.Errorf("Error doing merge: %v\n", err)
}
// We should still be conflict free since 2nd key in left parent path will take precedent over shared 2nd key
// in root. This tests our invalidation of ancestors.
toughreq := fmt.Sprintf("%snode/%s/%s/key/%s", server.WebAPIPath, merge2, data.DataName(), key2)
returnValue = server.TestHTTP(t, "GET", toughreq, nil)
if string(returnValue) != uuid4val {
t.Errorf("Error on merged child, key %q: expected %q, got %q\n", key2, uuid4val, string(returnValue))
}
toughreq = fmt.Sprintf("%snode/%s/%s/key/%s", server.WebAPIPath, merge3, data.DataName(), key2)
returnValue = server.TestHTTP(t, "GET", toughreq, nil)
if string(returnValue) != uuid4val {
t.Errorf("Error on merged child, key %q: expected %q, got %q\n", key2, uuid4val, string(returnValue))
}
// Create a new keyvalue data instance at an interior non-root node.
uuid8, err := datastore.NewVersion(uuid7, "open leaf child", nil)
if err != nil {
t.Fatalf("Unable to create new version off %s: %v\n", uuid7, err)
}
dataservice, err = datastore.NewData(uuid8, kvtype, "leafdata", config)
if err != nil {
t.Fatalf("Error creating new keyvalue instance: %v\n", err)
}
leafdata, ok := dataservice.(*Data)
if !ok {
t.Fatalf("Returned new data instance is not keyvalue.Data\n")
}
// PUT a value
key1req = fmt.Sprintf("%snode/%s/%s/key/%s", server.WebAPIPath, uuid8, leafdata.DataName(), key1)
server.TestHTTP(t, "POST", key1req, strings.NewReader(value1))
// Add 2nd k/v
key2req = fmt.Sprintf("%snode/%s/%s/key/%s", server.WebAPIPath, uuid8, leafdata.DataName(), key2)
server.TestHTTP(t, "POST", key2req, strings.NewReader(value2))
// Change the 2nd k/v
server.TestHTTP(t, "POST", key2req, strings.NewReader(uuid2val))
// Check the values
returnValue = server.TestHTTP(t, "GET", key1req, nil)
if string(returnValue) != value1 {
t.Errorf("Key %q: expected %s, got %s\n", key1, value1, string(returnValue))
}
returnValue = server.TestHTTP(t, "GET", key2req, nil)
if string(returnValue) != uuid2val {
t.Errorf("Key %q: expected %s, got %s\n", key2, uuid2val, string(returnValue))
}
// Change the name of the interior data.
if err = datastore.RenameData(uuid8, "leafdata", "versiontest", "foobar"); err == nil {
t.Fatalf("Should have been prevented from renaming data 'leafdata' to existing data 'versiontest'!\n")
}
if err = datastore.RenameData(uuid8, "leafdata", "renamedData", "foobar"); err != nil {
t.Fatalf("Error renaming leafdata: %v\n", err)
}
// Check the values
key1req = fmt.Sprintf("%snode/%s/renamedData/key/%s", server.WebAPIPath, uuid8, key1)
key2req = fmt.Sprintf("%snode/%s/renamedData/key/%s", server.WebAPIPath, uuid8, key2)
returnValue = server.TestHTTP(t, "GET", key1req, nil)
if string(returnValue) != value1 {
t.Errorf("Key %q: expected %s, got %s\n", key1, value1, string(returnValue))
}
returnValue = server.TestHTTP(t, "GET", key2req, nil)
if string(returnValue) != uuid2val {
t.Errorf("Key %q: expected %s, got %s\n", key2, uuid2val, string(returnValue))
}
}
func TestLabels(t *testing.T) {
datastore.OpenTest()
defer datastore.CloseTest()
// Create testbed volume and data instances
uuid, _ := initTestRepo()
var config dvid.Config
server.CreateTestInstance(t, uuid, "labelblk", "labels", config)
server.CreateTestInstance(t, uuid, "labelvol", "bodies", config)
// Establish syncs
server.CreateTestSync(t, uuid, "labels", "bodies")
server.CreateTestSync(t, uuid, "bodies", "labels")
// Populate the labels, which should automatically populate the labelvol
_ = createLabelTestVolume(t, uuid, "labels")
if err := datastore.BlockOnUpdating(uuid, "labels"); err != nil {
t.Fatalf("Error blocking on sync of labels: %v\n", err)
}
// Add annotations syncing with "labels" instance checking for deduplication.
server.CreateTestInstance(t, uuid, "annotation", "mysynapses", config)
server.CreateTestSync(t, uuid, "mysynapses", "labels,bodies,labels,bodies,labels,bodies")
dataservice, err := datastore.GetDataByUUIDName(uuid, "mysynapses")
if err != nil {
t.Fatal(err)
}
data, ok := dataservice.(*Data)
if !ok {
t.Fatalf("Can't convert dataservice %v into datastore.Data\n", dataservice)
}
if len(data.SyncedData()) != 2 {
t.Fatalf("Expected 2 syncs (uuids for labels and bodies], got %v\n", data.SyncedData())
}
// PUT first batch of synapses
testJSON, err := json.Marshal(testData)
if err != nil {
t.Fatal(err)
}
url1 := fmt.Sprintf("%snode/%s/mysynapses/elements", server.WebAPIPath, uuid)
server.TestHTTP(t, "POST", url1, strings.NewReader(string(testJSON)))
// Test if labels were properly denormalized. For the POST we have synchronized label denormalization.
// If this were to become asynchronous, we'd want to block on updating like the labelblk<->labelvol sync.
testResponseLabel(t, expectedLabel1, "%snode/%s/mysynapses/label/1?relationships=true", server.WebAPIPath, uuid)
testResponseLabel(t, expectedLabel2, "%snode/%s/mysynapses/label/2?relationships=true", server.WebAPIPath, uuid)
testResponseLabel(t, expectedLabel3, "%snode/%s/mysynapses/label/3?relationships=true", server.WebAPIPath, uuid)
testResponseLabel(t, expectedLabel3NoRel, "%snode/%s/mysynapses/label/3", server.WebAPIPath, uuid)
testResponseLabel(t, expectedLabel4, "%snode/%s/mysynapses/label/4?relationships=true", server.WebAPIPath, uuid)
// Make change to labelblk and make sure our label synapses have been adjusted (case A)
_ = modifyLabelTestVolume(t, uuid, "labels")
if err := datastore.BlockOnUpdating(uuid, "mysynapses"); err != nil {
t.Fatalf("Error blocking on sync of labels->annotations: %v\n", err)
}
testResponseLabel(t, expectedLabel1, "%snode/%s/mysynapses/label/1?relationships=true", server.WebAPIPath, uuid)
testResponseLabel(t, expectedLabel2a, "%snode/%s/mysynapses/label/2?relationships=true", server.WebAPIPath, uuid)
testResponseLabel(t, expectedLabel3a, "%snode/%s/mysynapses/label/3?relationships=true", server.WebAPIPath, uuid)
testResponseLabel(t, expectedLabel4, "%snode/%s/mysynapses/label/4?relationships=true", server.WebAPIPath, uuid)
testResponseLabel(t, expectedLabel4NoRel, "%snode/%s/mysynapses/label/4", server.WebAPIPath, uuid)
// Make change to labelvol and make sure our label synapses have been adjusted (case B).
// Merge 3a into 2a.
testMerge := mergeJSON(`[2, 3]`)
testMerge.send(t, uuid, "bodies")
if err := datastore.BlockOnUpdating(uuid, "labels"); err != nil {
t.Fatalf("Error blocking on sync of labels: %v\n", err)
}
if err := datastore.BlockOnUpdating(uuid, "mysynapses"); err != nil {
t.Fatalf("Error blocking on sync of synapses: %v\n", err)
}
testResponseLabel(t, expectedLabel1, "%snode/%s/mysynapses/label/1?relationships=true", server.WebAPIPath, uuid)
testResponseLabel(t, expectedLabel2b, "%snode/%s/mysynapses/label/2?relationships=true", server.WebAPIPath, uuid)
testResponseLabel(t, nil, "%snode/%s/mysynapses/label/3?relationships=true", server.WebAPIPath, uuid)
testResponseLabel(t, expectedLabel4, "%snode/%s/mysynapses/label/4?relationships=true", server.WebAPIPath, uuid)
// Now split label 2b off and check if annotations also split
// Create the sparsevol encoding for split area
numspans := len(bodysplit.voxelSpans)
rles := make(dvid.RLEs, numspans, numspans)
for i, span := range bodysplit.voxelSpans {
start := dvid.Point3d{span[2], span[1], span[0]}
length := span[3] - span[2] + 1
rles[i] = dvid.NewRLE(start, length)
}
buf := getBytesRLE(t, rles)
// Submit the split sparsevol
reqStr := fmt.Sprintf("%snode/%s/%s/split/%d?splitlabel=7", server.WebAPIPath, uuid, "bodies", 2)
r := server.TestHTTP(t, "POST", reqStr, buf)
jsonVal := make(map[string]uint64)
if err := json.Unmarshal(r, &jsonVal); err != nil {
t.Errorf("Unable to get new label from split. Instead got: %v\n", jsonVal)
}
// Verify that the annotations are correct.
if err := datastore.BlockOnUpdating(uuid, "mysynapses"); err != nil {
t.Fatalf("Error blocking on sync of split->annotations: %v\n", err)
}
testResponseLabel(t, expectedLabel2c, "%snode/%s/mysynapses/label/2?relationships=true", server.WebAPIPath, uuid)
url2 := fmt.Sprintf("%snode/%s/mysynapses/label/7?relationships=true", server.WebAPIPath, uuid)
testResponseLabel(t, expectedLabel7, url2)
// Change the name of the annotations.
if err = datastore.RenameData(uuid, "mysynapses", "bodies", "foobar"); err == nil {
t.Fatalf("Should have been prevented from renaming data 'mysynapses' to existing data 'bodies'!\n")
}
if err = datastore.RenameData(uuid, "mysynapses", "renamedData", "foobar"); err != nil {
t.Fatalf("Error renaming annotations: %v\n", err)
}
// Make sure the old name is no longer there and the new one is.
server.TestBadHTTP(t, "GET", url2, nil)
testResponseLabel(t, expectedLabel2c, "%snode/%s/renamedData/label/2?relationships=true", server.WebAPIPath, uuid)
// Try a coarse split.
// Create the encoding for split area in block coordinates.
rles = dvid.RLEs{
dvid.NewRLE(dvid.Point3d{3, 1, 3}, 1),
}
buf = getBytesRLE(t, rles)
// Submit the coarse split
reqStr = fmt.Sprintf("%snode/%s/%s/split-coarse/2?splitlabel=8", server.WebAPIPath, uuid, "bodies")
r = server.TestHTTP(t, "POST", reqStr, buf)
jsonVal = make(map[string]uint64)
if err := json.Unmarshal(r, &jsonVal); err != nil {
t.Errorf("Unable to get new label from split. Instead got: %v\n", jsonVal)
}
// Verify that the annotations are correct.
if err := datastore.BlockOnUpdating(uuid, "renamedData"); err != nil {
t.Fatalf("Error blocking on sync of split->annotations: %v\n", err)
}
testResponseLabel(t, expectedLabel2c, "%snode/%s/renamedData/label/8?relationships=true", server.WebAPIPath, uuid)
testResponseLabel(t, nil, "%snode/%s/renamedData/label/2?relationships=true", server.WebAPIPath, uuid)
// Delete a labeled annotation and make sure it's not in label
delurl := fmt.Sprintf("%snode/%s/%s/element/20_30_40", server.WebAPIPath, uuid, "renamedData")
server.TestHTTP(t, "DELETE", delurl, nil)
testResponseLabel(t, afterDeleteOn7, "%snode/%s/%s/label/7?relationships=true", server.WebAPIPath, uuid, "renamedData")
}
// switchboard for remote command execution
func handleCommand(cmd *datastore.Request) (reply *datastore.Response, err error) {
if cmd.Name() == "" {
err = fmt.Errorf("Server error: got empty command!")
return
}
reply = new(datastore.Response)
switch cmd.Name() {
case "help":
reply.Text = fmt.Sprintf(RPCHelpMessage, config.RPCAddress(), config.HTTPAddress())
case "shutdown":
dvid.Infof("DVID server halting due to 'shutdown' command.")
reply.Text = fmt.Sprintf("DVID server at %s is being shutdown...\n", config.RPCAddress())
// launch goroutine shutdown so we can concurrently return shutdown message to client.
go Shutdown()
case "types":
if len(cmd.Command) == 1 {
text := "\nData Types within this DVID Server\n"
text += "----------------------------------\n"
var mapTypes map[dvid.URLString]datastore.TypeService
if mapTypes, err = datastore.Types(); err != nil {
err = fmt.Errorf("Error trying to retrieve data types within this DVID server!")
return
}
for url, typeservice := range mapTypes {
text += fmt.Sprintf("%-20s %s\n", typeservice.GetTypeName(), url)
}
reply.Text = text
} else {
if len(cmd.Command) != 3 || cmd.Command[2] != "help" {
err = fmt.Errorf("Unknown types command: %q", cmd.Command)
return
}
var typename string
var typeservice datastore.TypeService
cmd.CommandArgs(1, &typename)
if typeservice, err = datastore.TypeServiceByName(dvid.TypeString(typename)); err != nil {
return
}
reply.Text = typeservice.Help()
}
case "repos":
var subcommand string
cmd.CommandArgs(1, &subcommand)
switch subcommand {
case "new":
var alias, description string
cmd.CommandArgs(2, &alias, &description)
config := cmd.Settings()
var uuidStr, passcode string
var found bool
if uuidStr, found, err = config.GetString("uuid"); err != nil {
return
}
var assign *dvid.UUID
if !found {
assign = nil
} else {
uuid := dvid.UUID(uuidStr)
assign = &uuid
}
if passcode, found, err = config.GetString("passcode"); err != nil {
return
}
var root dvid.UUID
root, err = datastore.NewRepo(alias, description, assign, passcode)
if err != nil {
return
}
if err = datastore.SetRepoAlias(root, alias); err != nil {
return
}
if err = datastore.SetRepoDescription(root, description); err != nil {
return
}
reply.Text = fmt.Sprintf("New repo %q created with head node %s\n", alias, root)
case "delete":
var uuidStr, passcode string
cmd.CommandArgs(2, &uuidStr, &passcode)
var uuid dvid.UUID
if uuid, _, err = datastore.MatchingUUID(uuidStr); err != nil {
return
}
if err = datastore.DeleteRepo(uuid, passcode); err != nil {
return
}
reply.Text = fmt.Sprintf("Started deletion of repo %s.\n", uuid)
default:
err = fmt.Errorf("Unknown repos command: %q", subcommand)
return
}
case "repo":
var uuidStr, subcommand string
cmd.CommandArgs(1, &uuidStr, &subcommand)
var uuid dvid.UUID
if uuid, _, err = datastore.MatchingUUID(uuidStr); err != nil {
return
}
switch subcommand {
case "new":
var typename, dataname string
cmd.CommandArgs(3, &typename, &dataname)
// Get TypeService
var typeservice datastore.TypeService
if typeservice, err = datastore.TypeServiceByName(dvid.TypeString(typename)); err != nil {
return
}
// Create new data
config := cmd.Settings()
if _, err = datastore.NewData(uuid, typeservice, dvid.InstanceName(dataname), config); err != nil {
return
}
reply.Text = fmt.Sprintf("Data %q [%s] added to node %s\n", dataname, typename, uuid)
datastore.AddToRepoLog(uuid, []string{cmd.String()})
case "rename":
var name1, name2, passcode string
cmd.CommandArgs(3, &name1, &name2, &passcode)
oldname := dvid.InstanceName(name1)
newname := dvid.InstanceName(name2)
// Make sure this instance exists.
if _, err = datastore.GetDataByUUIDName(uuid, oldname); err != nil {
err = fmt.Errorf("Error trying to rename %q for UUID %s: %v", oldname, uuid, err)
return
}
// Do the rename.
if err = datastore.RenameData(uuid, oldname, newname, passcode); err != nil {
err = fmt.Errorf("Error renaming data instance %q to %q: %v", oldname, newname, err)
return
}
reply.Text = fmt.Sprintf("Renamed data instance %q to %q from DAG subgraph @ root %s\n", oldname, newname, uuid)
case "branch":
cmd.CommandArgs(3, &uuidStr)
var assign *dvid.UUID
if uuidStr == "" {
assign = nil
} else {
u := dvid.UUID(uuidStr)
assign = &u
}
var child dvid.UUID
if child, err = datastore.NewVersion(uuid, fmt.Sprintf("branch of %s", uuid), assign); err != nil {
return
}
reply.Text = fmt.Sprintf("Branch %s added to node %s\n", child, uuid)
datastore.AddToRepoLog(uuid, []string{cmd.String()})
case "merge":
uuids := cmd.CommandArgs(2)
parents := make([]dvid.UUID, len(uuids)+1)
parents[0] = dvid.UUID(uuid)
i := 1
for uuid := range uuids {
parents[i] = dvid.UUID(uuid)
i++
}
var child dvid.UUID
child, err = datastore.Merge(parents, fmt.Sprintf("merge of parents %v", parents), datastore.MergeConflictFree)
if err != nil {
return
}
reply.Text = fmt.Sprintf("Parents %v merged into node %s\n", parents, child)
datastore.AddToRepoLog(uuid, []string{cmd.String()})
case "migrate":
var source, oldStoreName string
cmd.CommandArgs(3, &source, &oldStoreName)
var store dvid.Store
store, err = storage.GetStoreByAlias(storage.Alias(oldStoreName))
if err != nil {
return
}
config := cmd.Settings()
go func() {
if err = datastore.MigrateInstance(uuid, dvid.InstanceName(source), store, config); err != nil {
dvid.Errorf("migrate error: %v\n", err)
}
}()
reply.Text = fmt.Sprintf("Started migration of uuid %s data instance %q from old store %q...\n", uuid, source, oldStoreName)
case "copy":
var source, target string
cmd.CommandArgs(3, &source, &target)
config := cmd.Settings()
go func() {
if err = datastore.CopyInstance(uuid, dvid.InstanceName(source), dvid.InstanceName(target), config); err != nil {
dvid.Errorf("copy error: %v\n", err)
}
}()
reply.Text = fmt.Sprintf("Started copy of uuid %s data instance %q to %q...\n", uuid, source, target)
case "push":
var target string
cmd.CommandArgs(3, &target)
config := cmd.Settings()
go func() {
if err = datastore.PushRepo(uuid, target, config); err != nil {
dvid.Errorf("push error: %v\n", err)
}
}()
reply.Text = fmt.Sprintf("Started push of repo %s to %q...\n", uuid, target)
/*
case "pull":
var target string
cmd.CommandArgs(3, &target)
config := cmd.Settings()
if err = datastore.Pull(uuid, target, config); err != nil {
return
}
reply.Text = fmt.Sprintf("Repo %s pulled from %q\n", uuid, target)
*/
case "delete":
var dataname, passcode string
cmd.CommandArgs(3, &dataname, &passcode)
// Make sure this instance exists.
if _, err = datastore.GetDataByUUIDName(uuid, dvid.InstanceName(dataname)); err != nil {
err = fmt.Errorf("Error trying to delete %q for UUID %s: %v", dataname, uuid, err)
return
}
// Do the deletion. Under hood, modifies metadata immediately and launches async k/v deletion.
if err = datastore.DeleteDataByName(uuid, dvid.InstanceName(dataname), passcode); err != nil {
err = fmt.Errorf("Error deleting data instance %q: %v", dataname, err)
return
}
reply.Text = fmt.Sprintf("Started deletion of data instance %q from repo with root %s\n", dataname, uuid)
default:
err = fmt.Errorf("Unknown command: %q", cmd)
return
}
case "node":
var uuidStr, descriptor string
cmd.CommandArgs(1, &uuidStr, &descriptor)
var uuid dvid.UUID
if uuid, _, err = datastore.MatchingUUID(uuidStr); err != nil {
return
}
// Get the DataService
dataname := dvid.InstanceName(descriptor)
var subcommand string
cmd.CommandArgs(3, &subcommand)
var dataservice datastore.DataService
if dataservice, err = datastore.GetDataByUUIDName(uuid, dataname); err != nil {
return
}
if subcommand == "help" {
reply.Text = dataservice.Help()
return
}
err = dataservice.DoRPC(*cmd, reply)
return
default:
// Check to see if it's a name of a compiled data type, in which case we refer it to the data type.
types := datastore.CompiledTypes()
for name, typeservice := range types {
if name == dvid.TypeString(cmd.Argument(0)) {
err = typeservice.Do(*cmd, reply)
return
}
}
err = fmt.Errorf("Unknown command: '%s'", *cmd)
}
return
}