import (
"bufio"
- "flag"
+ "encoding/json"
+ "errors"
"fmt"
"git.curoverse.com/arvados.git/sdk/go/arvadosclient"
"git.curoverse.com/arvados.git/sdk/go/blockdigest"
+ "git.curoverse.com/arvados.git/sdk/go/keepclient"
"git.curoverse.com/arvados.git/sdk/go/logger"
- "git.curoverse.com/arvados.git/sdk/go/manifest"
"git.curoverse.com/arvados.git/services/datamanager/loggerutil"
+ "io"
"io/ioutil"
"log"
"net/http"
"strconv"
"strings"
- "sync"
"time"
)
+// ServerAddress struct
type ServerAddress struct {
- Host string `json:"service_host"`
- Port int `json:"service_port"`
+ SSL bool `json:"service_ssl_flag"`
+ Host string `json:"service_host"`
+ Port int `json:"service_port"`
+ UUID string `json:"uuid"`
+ ServiceType string `json:"service_type"`
}
-// Info about a particular block returned by the server
+// BlockInfo is info about a particular block returned by the server
type BlockInfo struct {
- Digest blockdigest.BlockDigest
- Size int
+ Digest blockdigest.DigestWithSize
Mtime int64 // TODO(misha): Replace this with a timestamp.
}
-// Info about a specified block given by a server
+// BlockServerInfo is info about a specified block given by a server
type BlockServerInfo struct {
ServerIndex int
- Size int
Mtime int64 // TODO(misha): Replace this with a timestamp.
}
+// ServerContents struct
type ServerContents struct {
- BlockDigestToInfo map[blockdigest.BlockDigest]BlockInfo
+ BlockDigestToInfo map[blockdigest.DigestWithSize]BlockInfo
}
+// ServerResponse struct
type ServerResponse struct {
Address ServerAddress
Contents ServerContents
}
+// ReadServers struct
type ReadServers struct {
ReadAllServers bool
KeepServerIndexToAddress []ServerAddress
KeepServerAddressToIndex map[ServerAddress]int
ServerToContents map[ServerAddress]ServerContents
- BlockToServers map[blockdigest.BlockDigest][]BlockServerInfo
+ BlockToServers map[blockdigest.DigestWithSize][]BlockServerInfo
BlockReplicationCounts map[int]int
}
+// GetKeepServersParams struct
type GetKeepServersParams struct {
Client arvadosclient.ArvadosClient
Logger *logger.Logger
Limit int
}
-type KeepServiceList struct {
+// ServiceList consists of the addresses of all the available kee servers
+type ServiceList struct {
ItemsAvailable int `json:"items_available"`
KeepServers []ServerAddress `json:"items"`
}
-// Methods to implement util.SdkListResponse Interface
-func (k KeepServiceList) NumItemsAvailable() (numAvailable int, err error) {
- return k.ItemsAvailable, nil
-}
-
-func (k KeepServiceList) NumItemsContained() (numContained int, err error) {
- return len(k.KeepServers), nil
-}
-
-var (
- // Don't access the token directly, use getDataManagerToken() to
- // make sure it's been read.
- dataManagerToken string
- dataManagerTokenFile string
- dataManagerTokenFileReadOnce sync.Once
-)
-
-func init() {
- flag.StringVar(&dataManagerTokenFile,
- "data-manager-token-file",
- "",
- "File with the API token we should use to contact keep servers.")
-}
-
+// String
+// TODO(misha): Change this to include the UUID as well.
func (s ServerAddress) String() string {
- return fmt.Sprintf("%s:%d", s.Host, s.Port)
+ return s.URL()
}
-func getDataManagerToken(arvLogger *logger.Logger) string {
- readDataManagerToken := func() {
- if dataManagerTokenFile == "" {
- flag.Usage()
- loggerutil.FatalWithMessage(arvLogger,
- "Data Manager Token needed, but data manager token file not specified.")
- } else {
- rawRead, err := ioutil.ReadFile(dataManagerTokenFile)
- if err != nil {
- loggerutil.FatalWithMessage(arvLogger,
- fmt.Sprintf("Unexpected error reading token file %s: %v",
- dataManagerTokenFile,
- err))
- }
- dataManagerToken = strings.TrimSpace(string(rawRead))
- }
+// URL of the keep server
+func (s ServerAddress) URL() string {
+ if s.SSL {
+ return fmt.Sprintf("https://%s:%d", s.Host, s.Port)
}
-
- dataManagerTokenFileReadOnce.Do(readDataManagerToken)
- return dataManagerToken
+ return fmt.Sprintf("http://%s:%d", s.Host, s.Port)
}
+// GetKeepServersAndSummarize gets keep servers from api
func GetKeepServersAndSummarize(params GetKeepServersParams) (results ReadServers) {
results = GetKeepServers(params)
log.Printf("Returned %d keep disks", len(results.ServerToContents))
- ComputeBlockReplicationCounts(&results)
+ results.Summarize(params.Logger)
log.Printf("Replication level distribution: %v",
results.BlockReplicationCounts)
return
}
+// GetKeepServers from api server
func GetKeepServers(params GetKeepServersParams) (results ReadServers) {
- if ¶ms.Client == nil {
- log.Fatalf("params.Client passed to GetKeepServers() should " +
- "contain a valid ArvadosClient, but instead it is nil.")
- }
-
sdkParams := arvadosclient.Dict{
- "filters": [][]string{[]string{"service_type", "=", "disk"}},
+ "filters": [][]string{[]string{"service_type", "!=", "proxy"}},
}
if params.Limit > 0 {
sdkParams["limit"] = params.Limit
}
- var sdkResponse KeepServiceList
+ var sdkResponse ServiceList
err := params.Client.List("keep_services", sdkParams, &sdkResponse)
if err != nil {
fmt.Sprintf("Error requesting keep disks from API server: %v", err))
}
+ // Currently, only "disk" types are supported. Stop if any other service types are found.
+ for _, server := range sdkResponse.KeepServers {
+ if server.ServiceType != "disk" {
+ loggerutil.FatalWithMessage(params.Logger,
+ fmt.Sprintf("Unsupported service type %q found for: %v", server.ServiceType, server))
+ }
+ }
+
if params.Logger != nil {
params.Logger.Update(func(p map[string]interface{}, e map[string]interface{}) {
- keepInfo := make(map[string]interface{})
-
+ keepInfo := logger.GetOrCreateMap(p, "keep_info")
keepInfo["num_keep_servers_available"] = sdkResponse.ItemsAvailable
keepInfo["num_keep_servers_received"] = len(sdkResponse.KeepServers)
keepInfo["keep_servers"] = sdkResponse.KeepServers
-
- p["keep_info"] = keepInfo
})
}
log.Printf("Got Server Addresses: %v", results)
- // This is safe for concurrent use
- client := http.Client{}
-
// Send off all the index requests concurrently
responseChan := make(chan ServerResponse)
for _, keepServer := range sdkResponse.KeepServers {
go func(keepServer ServerAddress) {
responseChan <- GetServerContents(params.Logger,
keepServer,
- client)
+ params.Client)
}(keepServer)
}
results.ServerToContents = make(map[ServerAddress]ServerContents)
- results.BlockToServers = make(map[blockdigest.BlockDigest][]BlockServerInfo)
+ results.BlockToServers = make(map[blockdigest.DigestWithSize][]BlockServerInfo)
// Read all the responses
for i := range sdkResponse.KeepServers {
results.BlockToServers[blockInfo.Digest] = append(
results.BlockToServers[blockInfo.Digest],
BlockServerInfo{ServerIndex: serverIndex,
- Size: blockInfo.Size,
Mtime: blockInfo.Mtime})
}
}
return
}
+// GetServerContents of the keep server
func GetServerContents(arvLogger *logger.Logger,
keepServer ServerAddress,
- client http.Client) (response ServerResponse) {
+ arv arvadosclient.ArvadosClient) (response ServerResponse) {
+
+ GetServerStatus(arvLogger, keepServer, arv)
- req := CreateIndexRequest(arvLogger, keepServer)
- resp, err := client.Do(req)
+ req := CreateIndexRequest(arvLogger, keepServer, arv)
+ resp, err := arv.Client.Do(req)
if err != nil {
loggerutil.FatalWithMessage(arvLogger,
- fmt.Sprintf("Error fetching %s: %v", req.URL.String(), err))
+ fmt.Sprintf("Error fetching %s: %v. Response was %+v",
+ req.URL.String(),
+ err,
+ resp))
}
return ReadServerResponse(arvLogger, keepServer, resp)
}
+// GetServerStatus get keep server status by invoking /status.json
+func GetServerStatus(arvLogger *logger.Logger,
+ keepServer ServerAddress,
+ arv arvadosclient.ArvadosClient) {
+ url := fmt.Sprintf("http://%s:%d/status.json",
+ keepServer.Host,
+ keepServer.Port)
+
+ if arvLogger != nil {
+ now := time.Now()
+ arvLogger.Update(func(p map[string]interface{}, e map[string]interface{}) {
+ keepInfo := logger.GetOrCreateMap(p, "keep_info")
+ serverInfo := make(map[string]interface{})
+ serverInfo["status_request_sent_at"] = now
+ serverInfo["host"] = keepServer.Host
+ serverInfo["port"] = keepServer.Port
+
+ keepInfo[keepServer.UUID] = serverInfo
+ })
+ }
+
+ resp, err := arv.Client.Get(url)
+ if err != nil {
+ loggerutil.FatalWithMessage(arvLogger,
+ fmt.Sprintf("Error getting keep status from %s: %v", url, err))
+ } else if resp.StatusCode != 200 {
+ loggerutil.FatalWithMessage(arvLogger,
+ fmt.Sprintf("Received error code %d in response to request "+
+ "for %s status: %s",
+ resp.StatusCode, url, resp.Status))
+ }
+
+ var keepStatus map[string]interface{}
+ decoder := json.NewDecoder(resp.Body)
+ decoder.UseNumber()
+ err = decoder.Decode(&keepStatus)
+ if err != nil {
+ loggerutil.FatalWithMessage(arvLogger,
+ fmt.Sprintf("Error decoding keep status from %s: %v", url, err))
+ }
+
+ if arvLogger != nil {
+ now := time.Now()
+ arvLogger.Update(func(p map[string]interface{}, e map[string]interface{}) {
+ keepInfo := logger.GetOrCreateMap(p, "keep_info")
+ serverInfo := keepInfo[keepServer.UUID].(map[string]interface{})
+ serverInfo["status_response_processed_at"] = now
+ serverInfo["status"] = keepStatus
+ })
+ }
+}
+
+// CreateIndexRequest to the keep server
func CreateIndexRequest(arvLogger *logger.Logger,
- keepServer ServerAddress) (req *http.Request) {
+ keepServer ServerAddress,
+ arv arvadosclient.ArvadosClient) (req *http.Request) {
url := fmt.Sprintf("http://%s:%d/index", keepServer.Host, keepServer.Port)
log.Println("About to fetch keep server contents from " + url)
if arvLogger != nil {
+ now := time.Now()
arvLogger.Update(func(p map[string]interface{}, e map[string]interface{}) {
- keepInfo := p["keep_info"].(map[string]interface{})
- serverInfo := make(map[string]interface{})
- serverInfo["request_sent"] = time.Now()
-
- keepInfo[keepServer.String()] = serverInfo
+ keepInfo := logger.GetOrCreateMap(p, "keep_info")
+ serverInfo := keepInfo[keepServer.UUID].(map[string]interface{})
+ serverInfo["index_request_sent_at"] = now
})
}
fmt.Sprintf("Error building http request for %s: %v", url, err))
}
- req.Header.Add("Authorization",
- fmt.Sprintf("OAuth2 %s", getDataManagerToken(arvLogger)))
+ req.Header.Add("Authorization", "OAuth2 "+arv.ApiToken)
return
}
+// ReadServerResponse reads reasponse from keep server
func ReadServerResponse(arvLogger *logger.Logger,
keepServer ServerAddress,
resp *http.Response) (response ServerResponse) {
}
if arvLogger != nil {
+ now := time.Now()
arvLogger.Update(func(p map[string]interface{}, e map[string]interface{}) {
- keepInfo := p["keep_info"].(map[string]interface{})
- serverInfo := keepInfo[keepServer.String()].(map[string]interface{})
-
- serverInfo["response_received"] = time.Now()
+ keepInfo := logger.GetOrCreateMap(p, "keep_info")
+ serverInfo := keepInfo[keepServer.UUID].(map[string]interface{})
+ serverInfo["index_response_received_at"] = now
})
}
response.Address = keepServer
response.Contents.BlockDigestToInfo =
- make(map[blockdigest.BlockDigest]BlockInfo)
- scanner := bufio.NewScanner(resp.Body)
+ make(map[blockdigest.DigestWithSize]BlockInfo)
+ reader := bufio.NewReader(resp.Body)
numLines, numDuplicates, numSizeDisagreements := 0, 0, 0
- for scanner.Scan() {
+ for {
numLines++
- blockInfo, err := parseBlockInfoFromIndexLine(scanner.Text())
+ line, err := reader.ReadString('\n')
+ if err == io.EOF {
+ loggerutil.FatalWithMessage(arvLogger,
+ fmt.Sprintf("Index from %s truncated at line %d",
+ keepServer.String(), numLines))
+ } else if err != nil {
+ loggerutil.FatalWithMessage(arvLogger,
+ fmt.Sprintf("Error reading index response from %s at line %d: %v",
+ keepServer.String(), numLines, err))
+ }
+ if line == "\n" {
+ if _, err := reader.Peek(1); err == nil {
+ extra, _ := reader.ReadString('\n')
+ loggerutil.FatalWithMessage(arvLogger,
+ fmt.Sprintf("Index from %s had trailing data at line %d after EOF marker: %s",
+ keepServer.String(), numLines+1, extra))
+ } else if err != io.EOF {
+ loggerutil.FatalWithMessage(arvLogger,
+ fmt.Sprintf("Index from %s had read error after EOF marker at line %d: %v",
+ keepServer.String(), numLines, err))
+ }
+ numLines--
+ break
+ }
+ blockInfo, err := parseBlockInfoFromIndexLine(line)
if err != nil {
loggerutil.FatalWithMessage(arvLogger,
fmt.Sprintf("Error parsing BlockInfo from index line "+
if storedBlock, ok := response.Contents.BlockDigestToInfo[blockInfo.Digest]; ok {
// This server returned multiple lines containing the same block digest.
- numDuplicates += 1
- if storedBlock.Size != blockInfo.Size {
- numSizeDisagreements += 1
- // TODO(misha): Consider failing here.
- message := fmt.Sprintf("Saw different sizes for the same block "+
- "on %s: %+v %+v",
- keepServer.String(),
- storedBlock,
- blockInfo)
- log.Println(message)
- if arvLogger != nil {
- arvLogger.Update(func(p map[string]interface{}, e map[string]interface{}) {
- keepInfo := p["keep_info"].(map[string]interface{})
- serverInfo := keepInfo[keepServer.String()].(map[string]interface{})
- var error_list []string
- read_error_list, has_list := serverInfo["error_list"]
- if has_list {
- error_list = read_error_list.([]string)
- } // If we didn't have the list, error_list is already an empty list
- serverInfo["error_list"] = append(error_list, message)
- })
- }
- }
- // Keep the block that is bigger, or the block that's newer in
- // the case of a size tie.
- if storedBlock.Size < blockInfo.Size ||
- (storedBlock.Size == blockInfo.Size &&
- storedBlock.Mtime < blockInfo.Mtime) {
+ numDuplicates++
+ // Keep the block that's newer.
+ if storedBlock.Mtime < blockInfo.Mtime {
response.Contents.BlockDigestToInfo[blockInfo.Digest] = blockInfo
}
} else {
response.Contents.BlockDigestToInfo[blockInfo.Digest] = blockInfo
}
}
- if err := scanner.Err(); err != nil {
- loggerutil.FatalWithMessage(arvLogger,
- fmt.Sprintf("Received error scanning index response from %s: %v",
- keepServer.String(),
- err))
- } else {
- log.Printf("%s index contained %d lines with %d duplicates with "+
- "%d size disagreements",
- keepServer.String(),
- numLines,
- numDuplicates,
- numSizeDisagreements)
-
- if arvLogger != nil {
- arvLogger.Update(func(p map[string]interface{}, e map[string]interface{}) {
- keepInfo := p["keep_info"].(map[string]interface{})
- serverInfo := keepInfo[keepServer.String()].(map[string]interface{})
-
- serverInfo["processing_finished"] = time.Now()
- serverInfo["lines_received"] = numLines
- serverInfo["duplicates_seen"] = numDuplicates
- serverInfo["size_disagreements_seen"] = numSizeDisagreements
- })
- }
+
+ log.Printf("%s index contained %d lines with %d duplicates with "+
+ "%d size disagreements",
+ keepServer.String(),
+ numLines,
+ numDuplicates,
+ numSizeDisagreements)
+
+ if arvLogger != nil {
+ now := time.Now()
+ arvLogger.Update(func(p map[string]interface{}, e map[string]interface{}) {
+ keepInfo := logger.GetOrCreateMap(p, "keep_info")
+ serverInfo := keepInfo[keepServer.UUID].(map[string]interface{})
+
+ serverInfo["processing_finished_at"] = now
+ serverInfo["lines_received"] = numLines
+ serverInfo["duplicates_seen"] = numDuplicates
+ serverInfo["size_disagreements_seen"] = numSizeDisagreements
+ })
}
resp.Body.Close()
return
tokens)
}
- var locator manifest.BlockLocator
- if locator, err = manifest.ParseBlockLocator(tokens[0]); err != nil {
+ var locator blockdigest.BlockLocator
+ if locator, err = blockdigest.ParseBlockLocator(tokens[0]); err != nil {
+ err = fmt.Errorf("%v Received error while parsing line \"%s\"",
+ err, indexLine)
return
}
if len(locator.Hints) > 0 {
if err != nil {
return
}
- blockInfo.Digest = locator.Digest
- blockInfo.Size = locator.Size
+ blockInfo.Digest =
+ blockdigest.DigestWithSize{Digest: locator.Digest,
+ Size: uint32(locator.Size)}
return
}
-func ComputeBlockReplicationCounts(readServers *ReadServers) {
+// Summarize results from keep server
+func (readServers *ReadServers) Summarize(arvLogger *logger.Logger) {
readServers.BlockReplicationCounts = make(map[int]int)
for _, infos := range readServers.BlockToServers {
replication := len(infos)
- readServers.BlockReplicationCounts[replication] += 1
+ readServers.BlockReplicationCounts[replication]++
+ }
+
+ if arvLogger != nil {
+ arvLogger.Update(func(p map[string]interface{}, e map[string]interface{}) {
+ keepInfo := logger.GetOrCreateMap(p, "keep_info")
+ keepInfo["distinct_blocks_stored"] = len(readServers.BlockToServers)
+ })
}
}
+
+// TrashRequest struct
+type TrashRequest struct {
+ Locator string `json:"locator"`
+ BlockMtime int64 `json:"block_mtime"`
+}
+
+// TrashList is an array of TrashRequest objects
+type TrashList []TrashRequest
+
+// SendTrashLists to trash queue
+func SendTrashLists(kc *keepclient.KeepClient, spl map[string]TrashList) (errs []error) {
+ count := 0
+ barrier := make(chan error)
+
+ client := kc.Client
+
+ for url, v := range spl {
+ count++
+ log.Printf("Sending trash list to %v", url)
+
+ go (func(url string, v TrashList) {
+ pipeReader, pipeWriter := io.Pipe()
+ go (func() {
+ enc := json.NewEncoder(pipeWriter)
+ enc.Encode(v)
+ pipeWriter.Close()
+ })()
+
+ req, err := http.NewRequest("PUT", fmt.Sprintf("%s/trash", url), pipeReader)
+ if err != nil {
+ log.Printf("Error creating trash list request for %v error: %v", url, err.Error())
+ barrier <- err
+ return
+ }
+
+ req.Header.Add("Authorization", "OAuth2 "+kc.Arvados.ApiToken)
+
+ // Make the request
+ var resp *http.Response
+ if resp, err = client.Do(req); err != nil {
+ log.Printf("Error sending trash list to %v error: %v", url, err.Error())
+ barrier <- err
+ return
+ }
+
+ log.Printf("Sent trash list to %v: response was HTTP %v", url, resp.Status)
+
+ io.Copy(ioutil.Discard, resp.Body)
+ resp.Body.Close()
+
+ if resp.StatusCode != 200 {
+ barrier <- errors.New(fmt.Sprintf("Got HTTP code %v", resp.StatusCode))
+ } else {
+ barrier <- nil
+ }
+ })(url, v)
+
+ }
+
+ for i := 0; i < count; i++ {
+ b := <-barrier
+ if b != nil {
+ errs = append(errs, b)
+ }
+ }
+
+ return errs
+}
projects / arvados.git / blobdiff