Package alluxio.util

Class ConfigurationUtils

  • public final class ConfigurationUtils
extends java.lang.Object
    Utilities for working with Alluxio configurations.

    • Method Detail

      • getEmbeddedJournalAddresses

        public static java.util.List<java.net.InetSocketAddress> getEmbeddedJournalAddresses​(AlluxioConfiguration conf,
                                                                                     NetworkAddressUtils.ServiceType serviceType)
        Gets the embedded journal addresses to use for the given service type (either master-raft or job-master-raft).
        Parameters:
        conf - configuration
        serviceType - the service to get addresses for
        Returns:
        the addresses

      • getMasterEmbeddedJournalAddresses

        public static java.util.List<java.net.InetSocketAddress> getMasterEmbeddedJournalAddresses​(AlluxioConfiguration conf)
        Parameters:
        conf - configuration
        Returns:
        the embedded journal addresses to use for the master

      • getJobMasterEmbeddedJournalAddresses

        public static java.util.List<java.net.InetSocketAddress> getJobMasterEmbeddedJournalAddresses​(AlluxioConfiguration conf)
        Parameters:
        conf - configuration
        Returns:
        the embedded journal addresses to use for the job master

      • getMasterRpcAddresses

        public static java.util.List<java.net.InetSocketAddress> getMasterRpcAddresses​(AlluxioConfiguration conf)
        Gets the RPC addresses of all masters based on the configuration.
        Parameters:
        conf - the configuration to use
        Returns:
        the master rpc addresses

      • getJobMasterRpcAddresses

        public static java.util.List<java.net.InetSocketAddress> getJobMasterRpcAddresses​(AlluxioConfiguration conf)
        Gets the RPC addresses of all job masters based on the configuration.
        Parameters:
        conf - the configuration to use
        Returns:
        the job master rpc addresses

      • overridePort

        public static java.util.List<java.net.InetSocketAddress> overridePort​(java.util.List<java.net.InetSocketAddress> addrs,
                                                                      int port)
        Overrides the port in addresses.
        Parameters:
        addrs - the addresses
        port - the new port
        Returns:
        the updated addresses

      • parseInetSocketAddresses

        public static java.util.List<java.net.InetSocketAddress> parseInetSocketAddresses​(java.util.List<java.lang.String> addresses)
        Parameters:
        addresses - a list of address strings in the form "hostname:port"
        Returns:
        a list of InetSocketAddresses representing the given address strings

      • jobMasterHostConfigured

        public static boolean jobMasterHostConfigured​(AlluxioConfiguration conf)
        Parameters:
        conf - the configuration to use
        Returns:
        whether the configuration describes how to find the job master host, either through explicit configuration or through zookeeper

      • getMasterHostNotConfiguredMessage

        public static java.lang.String getMasterHostNotConfiguredMessage​(java.lang.String serviceName)
        Returns a unified message for cases when the master hostname cannot be determined.
        Parameters:
        serviceName - the name of the service that couldn't run. i.e. Alluxio worker, fsadmin shell, etc.
        Returns:
        a string with the message

      • getJobMasterHostNotConfiguredMessage

        public static java.lang.String getJobMasterHostNotConfiguredMessage​(java.lang.String serviceName)
        Returns a unified message for cases when the job master hostname cannot be determined.
        Parameters:
        serviceName - the name of the service that couldn't run. i.e. Alluxio worker, fsadmin shell, etc.
        Returns:
        a string with the message

      • checkRatio

        public static float checkRatio​(AlluxioConfiguration conf,
                               PropertyKey key)
        Checks that the given property key is a ratio from 0.0 and 1.0, throwing an exception if it is not.
        Parameters:
        conf - the configuration for looking up the property key
        key - the property key
        Returns:
        the property value

      • masterHostConfigured

        public static boolean masterHostConfigured​(AlluxioConfiguration conf)
        Parameters:
        conf - the configuration to use
        Returns:
        whether the configuration describes how to find the master host, either through explicit configuration or through zookeeper

      • isHaMode

        public static boolean isHaMode​(AlluxioConfiguration conf)
        Parameters:
        conf - the configuration use
        Returns:
        whether the configuration specifies to run in ha mode

      • valueAsString

        public static java.lang.String valueAsString​(java.lang.String value)
        Parameters:
        value - the value or null (value is not set)
        Returns:
        the value or "(no value set)" when the value is not set

      • getSchemeAuthority

        public static java.lang.String getSchemeAuthority​(AlluxioConfiguration conf)
        Parameters:
        conf - the configuration
        Returns:
        the alluxio scheme and authority determined by the configuration

      • parseAsList

        public static java.util.List<java.lang.String> parseAsList​(java.lang.String value,
                                                           java.lang.String delimiter)
        Returns the input string as a list, splitting on a specified delimiter.
        Parameters:
        value - the value to split
        delimiter - the delimiter to split the values
        Returns:
        the list of values for input string

      • getMasterHostnames

        public static java.util.Set<java.lang.String> getMasterHostnames​(AlluxioConfiguration conf)
        Gets list of masters in conf directory.
        Parameters:
        conf - configuration
        Returns:
        master hostnames

      • getWorkerHostnames

        public static java.util.Set<java.lang.String> getWorkerHostnames​(AlluxioConfiguration conf)
        Gets list of workers in conf directory.
        Parameters:
        conf - configuration
        Returns:
        workers hostnames

      • getServerHostnames

        public static java.util.Set<java.lang.String> getServerHostnames​(AlluxioConfiguration conf)
        Gets list of masters/workers in conf directory.
        Parameters:
        conf - configuration
        Returns:
        server hostnames