import (
"bufio"
"encoding/json"
- "flag"
+ "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/services/datamanager/loggerutil"
"io"
"net/http"
"strconv"
"strings"
- "sync"
"time"
)
+// ServerAddress struct
type ServerAddress struct {
- Host string `json:"service_host"`
- Port int `json:"service_port"`
- Uuid string `json:"uuid"`
+ 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.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
Mtime int64 // TODO(misha): Replace this with a timestamp.
}
+// ServerContents struct
type ServerContents struct {
BlockDigestToInfo map[blockdigest.DigestWithSize]BlockInfo
}
+// ServerResponse struct
type ServerResponse struct {
Address ServerAddress
Contents ServerContents
}
+// ReadServers struct
type ReadServers struct {
ReadAllServers bool
KeepServerIndexToAddress []ServerAddress
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"`
}
-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 s.HostPort()
-}
-
-func (s ServerAddress) HostPort() 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))
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 := logger.GetOrCreateMap(p, "keep_info")
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)
}
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, client)
+ 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. Response was %+v",
return ReadServerResponse(arvLogger, keepServer, resp)
}
+// GetServerStatus get keep server status by invoking /status.json
func GetServerStatus(arvLogger *logger.Logger,
keepServer ServerAddress,
- client http.Client) {
+ arv arvadosclient.ArvadosClient) {
url := fmt.Sprintf("http://%s:%d/status.json",
keepServer.Host,
keepServer.Port)
serverInfo["host"] = keepServer.Host
serverInfo["port"] = keepServer.Port
- keepInfo[keepServer.Uuid] = serverInfo
+ keepInfo[keepServer.UUID] = serverInfo
})
}
- resp, err := client.Get(url)
+ resp, err := arv.Client.Get(url)
if err != nil {
loggerutil.FatalWithMessage(arvLogger,
fmt.Sprintf("Error getting keep status from %s: %v", url, err))
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 := 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)
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 := 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) {
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 := keepInfo[keepServer.UUID].(map[string]interface{})
serverInfo["index_response_received_at"] = now
})
}
if storedBlock, ok := response.Contents.BlockDigestToInfo[blockInfo.Digest]; ok {
// This server returned multiple lines containing the same block digest.
- numDuplicates += 1
+ numDuplicates++
// Keep the block that's newer.
if storedBlock.Mtime < blockInfo.Mtime {
response.Contents.BlockDigestToInfo[blockInfo.Digest] = blockInfo
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 := keepInfo[keepServer.UUID].(map[string]interface{})
serverInfo["processing_finished_at"] = now
serverInfo["lines_received"] = numLines
return
}
+// 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 {
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