Package org.apache.storm.hdfs.security
Class AutoHDFSNimbus
java.lang.Object
org.apache.storm.common.AbstractHadoopNimbusPluginAutoCreds
org.apache.storm.hdfs.security.AutoHDFSNimbus
- All Implemented Interfaces:
CredentialKeyProvider
,Shutdownable
,ICredentialsRenewer
,INimbusCredentialPlugin
Auto credentials nimbus plugin for HDFS implementation. This class automatically
gets HDFS delegation tokens and push it to user's topology.
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Field Summary
Fields inherited from class org.apache.storm.common.AbstractHadoopNimbusPluginAutoCreds
CONFIG_KEY_RESOURCES
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionvoid
Prepare the plugin.void
doRenew
(Map<String, String> credentials, Map<String, Object> topologyConf, String topologyOwnerPrincipal) protected String
The lookup key for the config key string.getCredentialKey
(String configKey) The lookup key for the config key string.protected byte[]
getHadoopCredentials
(Map<String, Object> conf, String topologyOwnerPrincipal) protected byte[]
void
shutdown()
Methods inherited from class org.apache.storm.common.AbstractHadoopNimbusPluginAutoCreds
fillHadoopConfiguration, getConfigKeys, getCredentials, populateCredentials, prepare, renew
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.apache.storm.security.INimbusCredentialPlugin
populateCredentials
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Constructor Details
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AutoHDFSNimbus
public AutoHDFSNimbus()
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Method Details
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doPrepare
Description copied from class:AbstractHadoopNimbusPluginAutoCreds
Prepare the plugin.- Specified by:
doPrepare
in classAbstractHadoopNimbusPluginAutoCreds
- Parameters:
conf
- the storm cluster conf set via storm.yaml
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getConfigKeyString
Description copied from class:AbstractHadoopNimbusPluginAutoCreds
The lookup key for the config key string.- Specified by:
getConfigKeyString
in classAbstractHadoopNimbusPluginAutoCreds
- Returns:
- the config key string
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shutdown
public void shutdown() -
getHadoopCredentials
protected byte[] getHadoopCredentials(Map<String, Object> conf, String configKey, String topologyOwnerPrincipal) - Specified by:
getHadoopCredentials
in classAbstractHadoopNimbusPluginAutoCreds
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getHadoopCredentials
- Specified by:
getHadoopCredentials
in classAbstractHadoopNimbusPluginAutoCreds
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doRenew
public void doRenew(Map<String, String> credentials, Map<String, Object> topologyConf, String topologyOwnerPrincipal) - Specified by:
doRenew
in classAbstractHadoopNimbusPluginAutoCreds
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getCredentialKey
Description copied from interface:CredentialKeyProvider
The lookup key for the config key string.- Returns:
- the config key string
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