1 // Copyright (C) The Arvados Authors. All rights reserved.
3 // SPDX-License-Identifier: AGPL-3.0
19 "git.arvados.org/arvados.git/sdk/go/arvadosclient"
20 "git.arvados.org/arvados.git/sdk/go/keepclient"
26 err := doMain(os.Args[1:])
32 func doMain(args []string) error {
33 flags := flag.NewFlagSet("keep-block-check", flag.ExitOnError)
35 configFile := flags.String(
38 "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.")
40 keepServicesJSON := flags.String(
43 "An optional list of available keepservices. "+
44 "If not provided, this list is obtained from api server configured in config-file.")
46 locatorFile := flags.String(
49 "Filename containing the block hashes to be checked. This is required. "+
50 "This file contains the block hashes one per line.")
52 prefix := flags.String(
55 "Block hash prefix. When a prefix is specified, only hashes listed in the file with this prefix will be checked.")
57 blobSignatureTTLFlag := flags.Duration(
60 "Lifetime of blob permission signatures on the keepservers. If not provided, this will be retrieved from the API server's discovery document.")
62 verbose := flags.Bool(
65 "Log progress of each block verification")
67 getVersion := flags.Bool(
70 "Print version information and exit.")
72 // Parse args; omit the first arg which is the command name
75 // Print version information if requested
77 fmt.Printf("keep-block-check %s\n", version)
81 config, blobSigningKey, err := loadConfig(*configFile)
83 return fmt.Errorf("Error loading configuration from file: %s", err.Error())
86 // get list of block locators to be checked
87 blockLocators, err := getBlockLocators(*locatorFile, *prefix)
89 return fmt.Errorf("Error reading block hashes to be checked from file: %s", err.Error())
93 kc, blobSignatureTTL, err := setupKeepClient(config, *keepServicesJSON, *blobSignatureTTLFlag)
95 return fmt.Errorf("Error configuring keepclient: %s", err.Error())
98 return performKeepBlockCheck(kc, blobSignatureTTL, blobSigningKey, blockLocators, *verbose)
101 type apiConfig struct {
108 // Load config from given file
109 func loadConfig(configFile string) (config apiConfig, blobSigningKey string, err error) {
110 if configFile == "" {
111 err = errors.New("Client config file not specified")
115 config, blobSigningKey, err = readConfigFromFile(configFile)
119 // Read config from file
120 func readConfigFromFile(filename string) (config apiConfig, blobSigningKey string, err error) {
121 if !strings.Contains(filename, "/") {
122 filename = os.Getenv("HOME") + "/.config/arvados/" + filename + ".conf"
125 content, err := ioutil.ReadFile(filename)
131 lines := strings.Split(string(content), "\n")
132 for _, line := range lines {
137 kv := strings.SplitN(line, "=", 2)
139 key := strings.TrimSpace(kv[0])
140 value := strings.TrimSpace(kv[1])
143 case "ARVADOS_API_TOKEN":
144 config.APIToken = value
145 case "ARVADOS_API_HOST":
146 config.APIHost = value
147 case "ARVADOS_API_HOST_INSECURE":
148 config.APIHostInsecure = arvadosclient.StringBool(value)
149 case "ARVADOS_EXTERNAL_CLIENT":
150 config.ExternalClient = arvadosclient.StringBool(value)
151 case "ARVADOS_BLOB_SIGNING_KEY":
152 blobSigningKey = value
160 // setup keepclient using the config provided
161 func setupKeepClient(config apiConfig, keepServicesJSON string, blobSignatureTTL time.Duration) (kc *keepclient.KeepClient, ttl time.Duration, err error) {
162 arv := arvadosclient.ArvadosClient{
163 ApiToken: config.APIToken,
164 ApiServer: config.APIHost,
165 ApiInsecure: config.APIHostInsecure,
166 Client: &http.Client{Transport: &http.Transport{
167 TLSClientConfig: &tls.Config{InsecureSkipVerify: config.APIHostInsecure}}},
168 External: config.ExternalClient,
171 // If keepServicesJSON is provided, use it instead of service discovery
172 if keepServicesJSON == "" {
173 kc, err = keepclient.MakeKeepClient(&arv)
178 kc = keepclient.New(&arv)
179 err = kc.LoadKeepServicesFromJSON(keepServicesJSON)
185 // Get if blobSignatureTTL is not provided
186 ttl = blobSignatureTTL
187 if blobSignatureTTL == 0 {
188 value, err := arv.Discovery("blobSignatureTtl")
190 ttl = time.Duration(int(value.(float64))) * time.Second
199 // Get list of unique block locators from the given file
200 func getBlockLocators(locatorFile, prefix string) (locators []string, err error) {
201 if locatorFile == "" {
202 err = errors.New("block-hash-file not specified")
206 content, err := ioutil.ReadFile(locatorFile)
211 locatorMap := make(map[string]bool)
212 for _, line := range strings.Split(string(content), "\n") {
213 line = strings.TrimSpace(line)
214 if line == "" || !strings.HasPrefix(line, prefix) || locatorMap[line] {
217 locators = append(locators, line)
218 locatorMap[line] = true
224 // Get block headers from keep. Log any errors.
225 func performKeepBlockCheck(kc *keepclient.KeepClient, blobSignatureTTL time.Duration, blobSigningKey string, blockLocators []string, verbose bool) error {
226 totalBlocks := len(blockLocators)
229 for _, locator := range blockLocators {
232 log.Printf("Verifying block %d of %d: %v", current, totalBlocks, locator)
234 getLocator := locator
235 if blobSigningKey != "" {
236 expiresAt := time.Now().AddDate(0, 0, 1)
237 getLocator = keepclient.SignLocator(locator, kc.Arvados.ApiToken, expiresAt, blobSignatureTTL, []byte(blobSigningKey))
240 _, _, err := kc.Ask(getLocator)
243 log.Printf("Error verifying block %v: %v", locator, err)
247 log.Printf("Verify block totals: %d attempts, %d successes, %d errors", totalBlocks, totalBlocks-notFoundBlocks, notFoundBlocks)
249 if notFoundBlocks > 0 {
250 return fmt.Errorf("Block verification failed for %d out of %d blocks with matching prefix.", notFoundBlocks, totalBlocks)