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Hadoop Token 管理

• AM 通过 kerberos authentication
• AM 获取 Yarn 和 HDFS Token
• AM send tokens to containers
• Containers load tokens

Enable debug message

log4j.logger.org.apache.hadoop.security=DEBUG

AM Generate tokens

Logs:

23/09/07 22:38:50,375 INFO [main] security.HadoopDelegationTokenManager:57 : Attempting to login to KDC using principal: [e-mail], keytab: /home/hadoop_user/hadoop_user.keytab
23/09/07 22:38:50,381 DEBUG [main] security.UserGroupInformation:246 : Hadoop login
23/09/07 22:38:50,381 DEBUG [main] security.UserGroupInformation:192 : hadoop login commit
23/09/07 22:38:50,382 DEBUG [main] security.UserGroupInformation:200 : Using kerberos user: [e-mail]
23/09/07 22:38:50,382 DEBUG [main] security.UserGroupInformation:218 : Using user: "[e-mail]" with name: [e-mail]
23/09/07 22:38:50,382 DEBUG [main] security.UserGroupInformation:230 : User entry: "[e-mail]"
23/09/07 22:38:50,382 INFO [main] security.HadoopDelegationTokenManager:57 : Successfully logged into KDC.
23/09/07 22:38:51,247 INFO [main] security.HadoopFSDelegationTokenProvider:57 : getting token for: DFS[DFSClient[clientName=DFSClient_NONMAPREDUCE_-113291108_1, ugi=[e-mail] (auth:KERBEROS)]] with renewer rm/[e-mail]
23/09/07 22:38:51,391 DEBUG [main] security.SaslRpcClient:493 : Sending sasl message state: NEGOTIATE23/09/07 22:38:51,398 DEBUG [main] security.SaslRpcClient:288 : Get token info proto:interface org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolPB info:@org.apache.hadoop.security.token.TokenInfo(value=class org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenSelector)
23/09/07 22:38:51,399 DEBUG [main] security.SaslRpcClient:241 : tokens aren't supported for this protocol or user doesn't have one
23/09/07 22:38:51,399 DEBUG [main] security.SaslRpcClient:313 : Get kerberos info proto:interface org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolPB info:@org.apache.hadoop.security.KerberosInfo(clientPrincipal=, serverPrincipal=dfs.namenode.kerberos.principal)
23/09/07 22:38:51,420 DEBUG [main] security.SaslRpcClient:260 : RPC Server's Kerberos principal name for protocol=org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolPB is nn/[e-mail]
23/09/07 22:38:51,421 DEBUG [main] security.SaslRpcClient:271 : Creating SASL GSSAPI(KERBEROS)  client to authenticate to service at hadoop-nn-2.vip.hadoop.COM
23/09/07 22:38:51,425 DEBUG [main] security.SaslRpcClient:194 : Use KERBEROS authentication for protocol ClientNamenodeProtocolPB
23/09/07 22:38:51,441 DEBUG [main] security.SaslRpcClient:493 : Sending sasl message state: INITIATE
23/09/07 22:38:51,506 INFO [main] security.HadoopFSDelegationTokenProvider:57 : getting token for: DFS[DFSClient[clientName=DFSClient_NONMAPREDUCE_-113291108_1, ugi=[e-mail] (auth:KERBEROS)]] with renewer [e-mail]
23/09/07 22:38:52,807 INFO [main] security.HadoopDelegationTokenManager:57 : Scheduling renewal in 18.0 h.
23/09/07 22:38:52,809 INFO [main] security.HadoopDelegationTokenManager:57 : Updating delegation tokens.
23/09/07 22:38:52,833 INFO [main] deploy.SparkHadoopUtil:57 : Updating delegation tokens for current user.
23/09/07 22:38:52,858 INFO [dispatcher-CoarseGrainedScheduler] deploy.SparkHadoopUtil:57 : Updating delegation tokens for current user.
23/09/07 22:38:53,119 DEBUG [main] security.SaslRpcClient:288 : Get token info proto:interface org.apache.hadoop.yarn.api.ApplicationClientProtocolPB info:org.apache.hadoop.yarn.security.client.ClientRMSecurityInfo$2@48f2054d
23/09/07 22:38:53,120 DEBUG [main] security.SaslRpcClient:241 : tokens aren't supported for this protocol or user doesn't have one
23/09/07 22:38:53,121 DEBUG [main] security.SaslRpcClient:313 : Get kerberos info proto:interface org.apache.hadoop.yarn.api.ApplicationClientProtocolPB info:org.apache.hadoop.yarn.security.client.ClientRMSecurityInfo$1@6ce26986
23/09/07 22:38:53,124 DEBUG [main] security.SaslRpcClient:343 : getting serverKey: yarn.resourcemanager.principal conf value: rm/[e-mail] principal: rm/[e-mail]
23/09/07 22:38:53,124 DEBUG [main] security.SaslRpcClient:260 : RPC Server's Kerberos principal name for protocol=org.apache.hadoop.yarn.api.ApplicationClientProtocolPB is rm/[e-mail]
23/09/07 22:38:53,124 DEBUG [main] security.SaslRpcClient:271 : Creating SASL GSSAPI(KERBEROS)  client to authenticate to service at hadoop-rm-1.hadoop-rm-rm.hm-prod.svc.35.tess.io
23/09/07 22:38:53,125 DEBUG [main] security.SaslRpcClient:194 : Use KERBEROS authentication for protocol ApplicationClientProtocolPB
23/09/07 22:38:53,131 DEBUG [main] security.SaslRpcClient:493 : Sending sasl message state: INITIATE
23/09/07 22:38:53,182 DEBUG [main] token.Token:260 : Cloned private token Kind: HDFS_DELEGATION_TOKEN, Service: hadoop-nn-1.vip.hadoop.COM:8020, Ident: (token for hadoop_user: HDFS_DELEGATION_TOKEN owner=[e-mail], renewer=yarn, realUser=, issueDate=1694151531461, maxDate=1694756331461, sequenceNumber=1007863, masterKeyId=7139) from Kind: HDFS_DELEGATION_TOKEN, Service: ha-hdfs:hadoop, Ident: (token for hadoop_user: HDFS_DELEGATION_TOKEN owner=[e-mail], renewer=yarn, realUser=, issueDate=1694151531461, maxDate=1694756331461, sequenceNumber=1007863, masterKeyId=7139)
23/09/07 22:38:53,182 DEBUG [main] token.Token:260 : Cloned private token Kind: HDFS_DELEGATION_TOKEN, Service: hadoop-nn-2.vip.hadoop.COM:8020, Ident: (token for hadoop_user: HDFS_DELEGATION_TOKEN owner=[e-mail], renewer=yarn, realUser=, issueDate=1694151531461, maxDate=1694756331461, sequenceNumber=1007863, masterKeyId=7139) from Kind: HDFS_DELEGATION_TOKEN, Service: ha-hdfs:hadoop, Ident: (token for hadoop_user: HDFS_DELEGATION_TOKEN owner=[e-mail], renewer=yarn, realUser=, issueDate=1694151531461, maxDate=1694756331461, sequenceNumber=1007863, masterKeyId=7139)
23/09/07 22:38:53,182 DEBUG [main] token.Token:260 : Cloned private token Kind: HDFS_DELEGATION_TOKEN, Service: hadoop-nn-3.vip.hadoop.COM:8020, Ident: (token for hadoop_user: HDFS_DELEGATION_TOKEN owner=[e-mail], renewer=yarn, realUser=, issueDate=1694151531461, maxDate=1694756331461, sequenceNumber=1007863, masterKeyId=7139) from Kind: HDFS_DELEGATION_TOKEN, Service: ha-hdfs:hadoop, Ident: (token for hadoop_user: HDFS_DELEGATION_TOKEN owner=[e-mail], renewer=yarn, realUser=, issueDate=1694151531461, maxDate=1694756331461, sequenceNumber=1007863, masterKeyId=7139)

CoarseGrainedSchedulerBackend

启动 token manager

  override def start(): Unit = {if (UserGroupInformation.isSecurityEnabled()) {delegationTokenManager = createTokenManager()delegationTokenManager.foreach { dtm =>val ugi = UserGroupInformation.getCurrentUser()val tokens = if (dtm.renewalEnabled) {dtm.start()} else {val creds = ugi.getCredentials()dtm.obtainDelegationTokens(creds)if (creds.numberOfTokens() > 0 || creds.numberOfSecretKeys() > 0) {SparkHadoopUtil.get.serialize(creds)} else {null}}if (tokens != null) {updateDelegationTokens(tokens)}}}}

HadoopDelegationTokenManager

定时 Refresh tokens

  def start(): Array[Byte] = {require(renewalEnabled, "Token renewal must be enabled to start the renewer.")require(schedulerRef != null, "Token renewal requires a scheduler endpoint.")renewalExecutor =ThreadUtils.newDaemonSingleThreadScheduledExecutor("Credential Renewal Thread")val ugi = UserGroupInformation.getCurrentUser()if (ugi.isFromKeytab()) {// In Hadoop 2.x, renewal of the keytab-based login seems to be automatic, but in Hadoop 3.x,// it is configurable (see hadoop.kerberos.keytab.login.autorenewal.enabled, added in// HADOOP-9567). This task will make sure that the user stays logged in regardless of that// configuration's value. Note that checkTGTAndReloginFromKeytab() is a no-op if the TGT does// not need to be renewed yet.val tgtRenewalTask = new Runnable() {override def run(): Unit = {try {ugi.checkTGTAndReloginFromKeytab()} catch {case e: Throwable =>logWarning("Failed to renew TGT from keytab file", e)}}}val tgtRenewalPeriod = sparkConf.get(KERBEROS_RELOGIN_PERIOD)renewalExecutor.scheduleAtFixedRate(tgtRenewalTask, tgtRenewalPeriod, tgtRenewalPeriod,TimeUnit.SECONDS)}updateTokensTask()}private def updateTokensTask(): Array[Byte] = {try {val freshUGI = doLogin()val creds = obtainTokensAndScheduleRenewal(freshUGI)val tokens = SparkHadoopUtil.get.serialize(creds)logInfo("Updating delegation tokens.")schedulerRef.send(UpdateDelegationTokens(tokens))tokens} catch {case _: InterruptedException =>// Ignore, may happen if shutting down.nullcase e: Exception =>val delay = TimeUnit.SECONDS.toMillis(sparkConf.get(CREDENTIALS_RENEWAL_RETRY_WAIT))logWarning(s"Failed to update tokens, will try again in ${UIUtils.formatDuration(delay)}!" +" If this happens too often tasks will fail.", e)scheduleRenewal(delay)null}}

CoarseGrainedSchedulerBackend

      case UpdateDelegationTokens(newDelegationTokens) =>updateDelegationTokens(newDelegationTokens)

Container 启动 Load token

23/09/07 23:41:56,279 DEBUG [main] security.UserGroupInformation:246 : Hadoop login
23/09/07 23:41:56,281 DEBUG [main] security.UserGroupInformation:192 : hadoop login commit
23/09/07 23:41:56,284 DEBUG [main] security.UserGroupInformation:214 : Using local user: UnixPrincipal: hadoop_user
23/09/07 23:41:56,285 DEBUG [main] security.UserGroupInformation:218 : Using user: "UnixPrincipal: hadoop_user" with name: hadoop_user
23/09/07 23:41:56,285 DEBUG [main] security.UserGroupInformation:230 : User entry: "hadoop_user"
23/09/07 23:41:56,285 DEBUG [main] security.UserGroupInformation:741 : Reading credentials from location /hadoop/1/yarn/local/usercache/hadoop_user/appcache/application_1684894519955_69959/container_e2311_1684894519955_69959_01_000021/container_tokens
23/09/07 23:41:56,303 DEBUG [main] security.UserGroupInformation:746 : Loaded 7 tokens from /hadoop/1/yarn/local/usercache/hadoop_user/appcache/application_1684894519955_69959/container_e2311_1684894519955_69959_01_000021/container_tokens
23/09/07 23:41:56,304 DEBUG [main] security.UserGroupInformation:787 : UGI loginUser: hadoop_user (auth:SIMPLE)23/09/07 23:44:54,825 DEBUG [Executor 1 task launch worker for task 1785, task 1757.0 in stage 8.0 of app application_1684894519955_69959] security.SaslRpcClient:284 : Get token info proto:interface org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolPB info:@org.apache.hadoop.security.token.TokenInfo(value=class org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenSelector)
23/09/07 23:44:54,831 DEBUG [Executor 1 task launch worker for task 1785, task 1757.0 in stage 8.0 of app application_1684894519955_69959] security.SaslRpcClient:267 : Creating SASL DIGEST-MD5(TOKEN)  client to authenticate to service at default
23/09/07 23:44:54,833 DEBUG [Executor 1 task launch worker for task 1785, task 1757.0 in stage 8.0 of app application_1684894519955_69959] security.SaslRpcClient:190 : Use TOKEN authentication for protocol ClientNamenodeProtocolPB
23/09/07 23:44:54,836 DEBUG [Executor 1 task launch worker for task 1785, task 1757.0 in stage 8.0 of app application_1684894519955_69959] security.SaslRpcClient:690 : SASL client callback: setting username: ABZiX2Nhcm1lbEBQUk9ELkVCQVkuQ09NBHlhcm4AigGKc4ZbmYoBipeS35mMAUIqhY4Ggg==
23/09/07 23:44:54,836 DEBUG [Executor 1 task launch worker for task 1785, task 1757.0 in stage 8.0 of app application_1684894519955_69959] security.SaslRpcClient:695 : SASL client callback: setting userPassword
23/09/07 23:44:54,836 DEBUG [Executor 1 task launch worker for task 1785, task 1757.0 in stage 8.0 of app application_1684894519955_69959] security.SaslRpcClient:700 : SASL client callback: setting realm: default

Spark AM 和 Executor 更新收到的 tokens

    case UpdateDelegationTokens(tokenBytes) =>logInfo(s"Received tokens of ${tokenBytes.length} bytes")SparkHadoopUtil.get.addDelegationTokens(tokenBytes, env.conf).....	UserGroupInformation.getCurrentUser.addCredentials(creds)