Package org.apache.storm.utils

Class ConfigUtils

java.lang.Object

org.apache.storm.utils.ConfigUtils

public class ConfigUtils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final String	FILE_SEPARATOR
static final String	RESOURCES_SUBDIR
static final String	STORM_HOME

Constructor Summary

Constructors

Constructor	Description
ConfigUtils()

Method Summary

Modifier and Type	Method	Description
static String	absoluteStormBlobStoreDir(Map<String,Object> conf)
static String	absoluteStormLocalDir(Map<String,Object> conf)
static String	concatIfNotNull(String dir)
static BooleanSupplier	evenSampler(int samplingFreq)
static String	getIdFromBlobKey(String key)	Returns the topology ID belonging to a blob key if it exists.
static String	getLogDir()
static List<String>	getValueAsList(String name, Map<String,Object> conf)	Get the given config value as a List <String>, if possible.
static File	getWorkerDirFromRoot(String logRoot, String id, Integer port)
static boolean	isLocalMode(Map<String,Object> conf)
static Map<String,Object>	maskPasswords(Map<String,Object> conf)
static String	masterStormCodeKey(String topologyId)
static String	masterStormConfKey(String topologyId)
static String	masterStormJarKey(String topologyId)
static BooleanSupplier	mkStatsSampler(Map<String,Object> conf)
static Map<String,Object>	overrideLoginConfigWithSystemProperty(Map<String,Object> conf)
static Collection<String>	readDirContents(String dir)	Returns a Collection of file names found under the given directory.
static Collection<File>	readDirFiles(String dir)	Returns a Collection of files found under the given directory.
static Map<String,Object>	readStormConfig()
Map<String,Object>	readStormConfigImpl()
static StormTopology	readSupervisorStormCodeGivenPath(String stormCodePath, AdvancedFSOps ops)
static Map<String,Object>	readSupervisorStormConf(Map<String,Object> conf, String stormId)
static Map<String,Object>	readSupervisorStormConfGivenPath(Map<String,Object> conf, String topoConfPath)
Map<String,Object>	readSupervisorStormConfImpl(Map<String,Object> conf, String stormId)
static StormTopology	readSupervisorTopology(Map<String,Object> conf, String stormId, AdvancedFSOps ops)
StormTopology	readSupervisorTopologyImpl(Map<String,Object> conf, String stormId, AdvancedFSOps ops)
static Map<String,Object>	readYamlConfig(String name)
static Map<String,Object>	readYamlConfig(String name, boolean mustExist)
static int	samplingRate(Map<String,Object> conf)
static ConfigUtils	setInstance(ConfigUtils u)	Provide an instance of this class for delegates to use.
static String	sharedByTopologyDir(Map<String,Object> conf, String stormId)
static String	stormDistPath(String stormRoot)
static String	supervisorLocalDir(Map<String,Object> conf)
String	supervisorLocalDirImpl(Map<String,Object> conf)
static String	supervisorStormCodePath(String stormRoot)
static String	supervisorStormConfPath(String stormRoot)
static String	supervisorStormDistRoot(Map<String,Object> conf)
static String	supervisorStormDistRoot(Map<String,Object> conf, String stormId)
String	supervisorStormDistRootImpl(Map<String,Object> conf)
String	supervisorStormDistRootImpl(Map<String,Object> conf, String stormId)
static String	supervisorStormJarPath(String stormRoot)
static String	supervisorStormResourcesPath(String stormRoot)
static String	workerArtifactsPidPath(Map<String,Object> conf, String id, Integer port)
static String	workerArtifactsRoot(Map<String,Object> conf)
static String	workerArtifactsRoot(Map<String,Object> conf, String id)
static String	workerArtifactsRoot(Map<String,Object> conf, String id, Integer port)
String	workerArtifactsRootImpl(Map<String,Object> conf)
static String	workerArtifactsSymlink(Map<String,Object> conf, String id)
static String	workerHeartbeatsRoot(Map<String,Object> conf, String id)
static String	workerPidPath(Map<String,Object> conf, String id, long pid)
static String	workerPidPath(Map<String,Object> conf, String id, String pid)
static String	workerPidsRoot(Map<String,Object> conf, String id)
static String	workerRoot(Map<String,Object> conf)
static String	workerRoot(Map<String,Object> conf, String id)
String	workerRootImpl(Map<String,Object> conf)
static LocalState	workerState(Map<String,Object> conf, String id)
static String	workerTmpRoot(Map<String,Object> conf, String id)
static String	workerUserFile(Map<String,Object> conf, String workerId)
static String	workerUserRoot(Map<String,Object> conf)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

FILE_SEPARATOR

public static final String FILE_SEPARATOR

STORM_HOME

public static final String STORM_HOME

See Also:

• Constant Field Values

RESOURCES_SUBDIR

public static final String RESOURCES_SUBDIR

See Also:

• Constant Field Values

Constructor Details

ConfigUtils

public ConfigUtils()

Method Details

setInstance

public static ConfigUtils setInstance(ConfigUtils u)

Provide an instance of this class for delegates to use. To mock out delegated methods, provide an instance of a subclass that overrides the implementation of the delegated method.

Parameters:

u - a ConfigUtils instance

Returns:

the previously set instance

maskPasswords

public static Map<String,Object> maskPasswords(Map<String,Object> conf)

isLocalMode

public static boolean isLocalMode(Map<String,Object> conf)

readDirContents

public static Collection<String> readDirContents(String dir)

Returns a Collection of file names found under the given directory.

Parameters:

dir - a directory

Returns:

the Collection of file names

readDirFiles

public static Collection<File> readDirFiles(String dir)

Returns a Collection of files found under the given directory.

Parameters:

dir - a directory

Returns:

the Collection of file names

workerArtifactsRoot

public static String workerArtifactsRoot(Map<String,Object> conf)

workerArtifactsRoot

public static String workerArtifactsRoot(Map<String,Object> conf,
 String id)

workerArtifactsRoot

public static String workerArtifactsRoot(Map<String,Object> conf,
 String id,
 Integer port)

getLogDir

public static String getLogDir()

readStormConfig

public static Map<String,Object> readStormConfig()

samplingRate

public static int samplingRate(Map<String,Object> conf)

mkStatsSampler

public static BooleanSupplier mkStatsSampler(Map<String,Object> conf)

evenSampler

public static BooleanSupplier evenSampler(int samplingFreq)

readSupervisorTopology

public static StormTopology readSupervisorTopology(Map<String,Object> conf,
 String stormId,
 AdvancedFSOps ops)
                                            throws IOException

Throws:

IOException

supervisorStormCodePath

public static String supervisorStormCodePath(String stormRoot)

concatIfNotNull

public static String concatIfNotNull(String dir)

supervisorStormDistRoot

public static String supervisorStormDistRoot(Map<String,Object> conf)
                                      throws IOException

Throws:

IOException

supervisorStormDistRoot

public static String supervisorStormDistRoot(Map<String,Object> conf,
 String stormId)
                                      throws IOException

Throws:

IOException

sharedByTopologyDir

public static String sharedByTopologyDir(Map<String,Object> conf,
 String stormId)
                                  throws IOException

Throws:

IOException

supervisorStormJarPath

public static String supervisorStormJarPath(String stormRoot)

supervisorStormConfPath

public static String supervisorStormConfPath(String stormRoot)

absoluteStormLocalDir

public static String absoluteStormLocalDir(Map<String,Object> conf)

absoluteStormBlobStoreDir

public static String absoluteStormBlobStoreDir(Map<String,Object> conf)

readSupervisorStormCodeGivenPath

public static StormTopology readSupervisorStormCodeGivenPath(String stormCodePath,
 AdvancedFSOps ops)
                                                      throws IOException

Throws:

IOException

supervisorStormResourcesPath

public static String supervisorStormResourcesPath(String stormRoot)

workerRoot

public static String workerRoot(Map<String,Object> conf)

workerRoot

public static String workerRoot(Map<String,Object> conf,
 String id)

workerArtifactsSymlink

public static String workerArtifactsSymlink(Map<String,Object> conf,
 String id)

workerPidsRoot

public static String workerPidsRoot(Map<String,Object> conf,
 String id)

workerPidPath

public static String workerPidPath(Map<String,Object> conf,
 String id,
 String pid)

workerPidPath

public static String workerPidPath(Map<String,Object> conf,
 String id,
 long pid)

workerArtifactsPidPath

public static String workerArtifactsPidPath(Map<String,Object> conf,
 String id,
 Integer port)

readSupervisorStormConf

public static Map<String,Object> readSupervisorStormConf(Map<String,Object> conf,
 String stormId)
                                                  throws IOException

Throws:

IOException

readSupervisorStormConfGivenPath

public static Map<String,Object> readSupervisorStormConfGivenPath(Map<String,Object> conf,
 String topoConfPath)
                                                           throws IOException

Throws:

IOException

overrideLoginConfigWithSystemProperty

public static Map<String,Object> overrideLoginConfigWithSystemProperty(Map<String,Object> conf)

workerHeartbeatsRoot

public static String workerHeartbeatsRoot(Map<String,Object> conf,
 String id)

workerState

public static LocalState workerState(Map<String,Object> conf,
 String id)
                              throws IOException

Throws:

IOException

masterStormCodeKey

public static String masterStormCodeKey(String topologyId)

masterStormConfKey

public static String masterStormConfKey(String topologyId)

getIdFromBlobKey

public static String getIdFromBlobKey(String key)

Returns the topology ID belonging to a blob key if it exists.

Parameters:

key - the blob key

Returns:

the topology id belonging to the key if it can be inferred. Returns null otherwise.

masterStormJarKey

public static String masterStormJarKey(String topologyId)

readYamlConfig

public static Map<String,Object> readYamlConfig(String name,
 boolean mustExist)

readYamlConfig

public static Map<String,Object> readYamlConfig(String name)

stormDistPath

public static String stormDistPath(String stormRoot)

supervisorLocalDir

public static String supervisorLocalDir(Map<String,Object> conf)
                                 throws IOException

Throws:

IOException

workerTmpRoot

public static String workerTmpRoot(Map<String,Object> conf,
 String id)

workerUserRoot

public static String workerUserRoot(Map<String,Object> conf)

workerUserFile

public static String workerUserFile(Map<String,Object> conf,
 String workerId)

getWorkerDirFromRoot

public static File getWorkerDirFromRoot(String logRoot,
 String id,
 Integer port)

getValueAsList

public static List<String> getValueAsList(String name,
 Map<String,Object> conf)

Get the given config value as a List <String>, if possible.

Parameters:

name - - the config key

conf - - the config map

Returns:

- the config value converted to a List <String> if found, otherwise null.

Throws:

IllegalArgumentException - if conf is null

NullPointerException - if name is null and the conf map doesn't support null keys

readSupervisorTopologyImpl

public StormTopology readSupervisorTopologyImpl(Map<String,Object> conf,
 String stormId,
 AdvancedFSOps ops)
                                         throws IOException

Throws:

IOException

readStormConfigImpl

public Map<String,Object> readStormConfigImpl()

workerArtifactsRootImpl

public String workerArtifactsRootImpl(Map<String,Object> conf)

supervisorStormDistRootImpl

public String supervisorStormDistRootImpl(Map<String,Object> conf,
 String stormId)
                                   throws IOException

Throws:

IOException

supervisorStormDistRootImpl

public String supervisorStormDistRootImpl(Map<String,Object> conf)
                                   throws IOException

Throws:

IOException

workerRootImpl

public String workerRootImpl(Map<String,Object> conf)

readSupervisorStormConfImpl

public Map<String,Object> readSupervisorStormConfImpl(Map<String,Object> conf,
 String stormId)
                                               throws IOException

Throws:

IOException

supervisorLocalDirImpl

public String supervisorLocalDirImpl(Map<String,Object> conf)
                              throws IOException

Throws:

IOException