+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
package main
import (
"errors"
"flag"
"fmt"
- "git.curoverse.com/arvados.git/sdk/go/arvadosclient"
- "git.curoverse.com/arvados.git/sdk/go/keepclient"
"io/ioutil"
"log"
"net/http"
"os"
- "regexp"
"strings"
"time"
+
+ "git.arvados.org/arvados.git/lib/cmd"
+ "git.arvados.org/arvados.git/sdk/go/arvadosclient"
+ "git.arvados.org/arvados.git/sdk/go/keepclient"
)
+var version = "dev"
+
func main() {
- var srcConfigFile, dstConfigFile, srcKeepServicesJSON, dstKeepServicesJSON, prefix string
- var replications int
- var srcBlobSigningKey string
+ err := doMain()
+ if err != nil {
+ log.Fatalf("%v", err)
+ }
+}
- flag.StringVar(
- &srcConfigFile,
+func doMain() error {
+ flags := flag.NewFlagSet("keep-rsync", flag.ExitOnError)
+
+ srcConfigFile := flags.String(
"src",
"",
- "Source configuration filename. May be either a pathname to a config file, or (for example) 'foo' as shorthand for $HOME/.config/arvados/foo.conf")
+ "Source configuration filename. May be either a pathname to a config file, or (for example) 'foo' as shorthand for $HOME/.config/arvados/foo.conf file. This file is expected to specify the values for ARVADOS_API_TOKEN, ARVADOS_API_HOST, ARVADOS_API_HOST_INSECURE, and ARVADOS_BLOB_SIGNING_KEY for the source.")
- flag.StringVar(
- &dstConfigFile,
+ dstConfigFile := flags.String(
"dst",
"",
- "Destination configuration filename. May be either a pathname to a config file, or (for example) 'foo' as shorthand for $HOME/.config/arvados/foo.conf")
+ "Destination configuration filename. May be either a pathname to a config file, or (for example) 'foo' as shorthand for $HOME/.config/arvados/foo.conf file. This file is expected to specify the values for ARVADOS_API_TOKEN, ARVADOS_API_HOST, and ARVADOS_API_HOST_INSECURE for the destination.")
- flag.StringVar(
- &srcKeepServicesJSON,
+ srcKeepServicesJSON := flags.String(
"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,
+ dstKeepServicesJSON := flags.String(
"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 := flags.Int(
"replications",
0,
"Number of replications to write to the destination. If replications not specified, "+
"default replication level configured on destination server will be used.")
- flag.StringVar(
- &prefix,
+ prefix := flags.String(
"prefix",
"",
"Index prefix")
- flag.Parse()
+ srcBlobSignatureTTLFlag := flags.Duration(
+ "src-blob-signature-ttl",
+ 0,
+ "Lifetime of blob permission signatures on source keepservers. If not provided, this will be retrieved from the API server's discovery document.")
+
+ getVersion := flags.Bool(
+ "version",
+ false,
+ "Print version information and exit.")
+
+ if ok, code := cmd.ParseFlags(flags, os.Args[0], os.Args[1:], "", os.Stderr); !ok {
+ os.Exit(code)
+ } else if *getVersion {
+ fmt.Printf("%s %s\n", os.Args[0], version)
+ os.Exit(0)
+ }
- srcConfig, srcBlobSigningKey, err := loadConfig(srcConfigFile)
+ srcConfig, srcBlobSigningKey, err := loadConfig(*srcConfigFile)
if err != nil {
- log.Fatalf("Error loading src configuration from file: %s", err.Error())
+ return fmt.Errorf("Error loading src configuration from file: %s", err.Error())
}
- dstConfig, _, err := loadConfig(dstConfigFile)
+ dstConfig, _, err := loadConfig(*dstConfigFile)
if err != nil {
- log.Fatalf("Error loading dst configuration from file: %s", err.Error())
+ return fmt.Errorf("Error loading dst configuration from file: %s", err.Error())
}
// setup src and dst keepclients
- kcSrc, err := setupKeepClient(srcConfig, srcKeepServicesJSON, false, 0)
+ kcSrc, srcBlobSignatureTTL, err := setupKeepClient(srcConfig, *srcKeepServicesJSON, false, 0, *srcBlobSignatureTTLFlag)
if err != nil {
- log.Fatalf("Error configuring src keepclient: %s", err.Error())
+ return fmt.Errorf("Error configuring src keepclient: %s", err.Error())
}
- kcDst, err := setupKeepClient(dstConfig, dstKeepServicesJSON, true, replications)
+ kcDst, _, err := setupKeepClient(dstConfig, *dstKeepServicesJSON, true, *replications, 0)
if err != nil {
- log.Fatalf("Error configuring dst keepclient: %s", err.Error())
+ return fmt.Errorf("Error configuring dst keepclient: %s", err.Error())
}
// Copy blocks not found in dst from src
- err = performKeepRsync(kcSrc, kcDst, srcBlobSigningKey, prefix)
+ err = performKeepRsync(kcSrc, kcDst, srcBlobSignatureTTL, srcBlobSigningKey, *prefix)
if err != nil {
- log.Fatalf("Error while syncing data: %s", err.Error())
+ return fmt.Errorf("Error while syncing data: %s", err.Error())
}
+
+ return nil
}
type apiConfig struct {
APIToken string
APIHost string
APIHostInsecure bool
- ExternalClient bool
}
// Load src and dst config from given files
return
}
-var matchTrue = regexp.MustCompile("^(?i:1|yes|true)$")
-
// Read config from file
func readConfigFromFile(filename string) (config apiConfig, blobSigningKey string, err error) {
if !strings.Contains(filename, "/") {
case "ARVADOS_API_HOST":
config.APIHost = value
case "ARVADOS_API_HOST_INSECURE":
- config.APIHostInsecure = matchTrue.MatchString(value)
- case "ARVADOS_EXTERNAL_CLIENT":
- config.ExternalClient = matchTrue.MatchString(value)
+ config.APIHostInsecure = arvadosclient.StringBool(value)
case "ARVADOS_BLOB_SIGNING_KEY":
blobSigningKey = value
}
}
// setup keepclient using the config provided
-func setupKeepClient(config apiConfig, keepServicesJSON string, isDst bool, replications int) (kc *keepclient.KeepClient, err error) {
+func setupKeepClient(config apiConfig, keepServicesJSON string, isDst bool, replications int, srcBlobSignatureTTL time.Duration) (kc *keepclient.KeepClient, blobSignatureTTL time.Duration, err error) {
arv := arvadosclient.ArvadosClient{
ApiToken: config.APIToken,
ApiServer: config.APIHost,
ApiInsecure: config.APIHostInsecure,
Client: &http.Client{Transport: &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: config.APIHostInsecure}}},
- External: config.ExternalClient,
}
- // if keepServicesJSON is provided, use it to load services; else, use DiscoverKeepServers
+ // If keepServicesJSON is provided, use it instead of service discovery
if keepServicesJSON == "" {
kc, err = keepclient.MakeKeepClient(&arv)
if err != nil {
- return nil, err
+ return nil, 0, err
}
} else {
kc = keepclient.New(&arv)
err = kc.LoadKeepServicesFromJSON(keepServicesJSON)
if err != nil {
- return kc, err
+ return kc, 0, err
}
}
if err == nil {
replications = int(value.(float64))
} else {
- return nil, err
+ return nil, 0, err
}
}
kc.Want_replicas = replications
}
- return kc, nil
+ // If srcBlobSignatureTTL is not provided, get it from API server discovery doc
+ blobSignatureTTL = srcBlobSignatureTTL
+ if !isDst && srcBlobSignatureTTL == 0 {
+ value, err := arv.Discovery("blobSignatureTtl")
+ if err == nil {
+ blobSignatureTTL = time.Duration(int(value.(float64))) * time.Second
+ } else {
+ return nil, 0, err
+ }
+ }
+
+ return kc, blobSignatureTTL, nil
}
// Get unique block locators from src and dst
// Copy any blocks missing in dst
-func performKeepRsync(kcSrc, kcDst *keepclient.KeepClient, blobSigningKey, prefix string) error {
+func performKeepRsync(kcSrc, kcDst *keepclient.KeepClient, srcBlobSignatureTTL time.Duration, blobSigningKey, prefix string) error {
// Get unique locators from src
srcIndex, err := getUniqueLocators(kcSrc, prefix)
if err != nil {
log.Printf("Before keep-rsync, there are %d blocks in src and %d blocks in dst. Start copying %d blocks from src not found in dst.",
len(srcIndex), len(dstIndex), len(toBeCopied))
- err = copyBlocksToDst(toBeCopied, kcSrc, kcDst, blobSigningKey)
+ err = copyBlocksToDst(toBeCopied, kcSrc, kcDst, srcBlobSignatureTTL, blobSigningKey)
return err
}
}
// Copy blocks from src to dst; only those that are missing in dst are copied
-func copyBlocksToDst(toBeCopied []string, kcSrc, kcDst *keepclient.KeepClient, blobSigningKey string) error {
+func copyBlocksToDst(toBeCopied []string, kcSrc, kcDst *keepclient.KeepClient, srcBlobSignatureTTL time.Duration, blobSigningKey string) error {
total := len(toBeCopied)
startedAt := time.Now()
getLocator := locator
expiresAt := time.Now().AddDate(0, 0, 1)
if blobSigningKey != "" {
- getLocator = keepclient.SignLocator(getLocator, kcSrc.Arvados.ApiToken, expiresAt, []byte(blobSigningKey))
+ getLocator = keepclient.SignLocator(getLocator, kcSrc.Arvados.ApiToken, expiresAt, srcBlobSignatureTTL, []byte(blobSigningKey))
}
reader, len, _, err := kcSrc.Get(getLocator)
projects / arvados.git / blobdiff