Puppet Class: hadoop::historyserver::config

Defined in:
manifests/historyserver/config.pp

Overview

Class hadoop::historyserver::config



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# File 'manifests/historyserver/config.pp', line 3

class hadoop::historyserver::config {
  contain hadoop::common::config
  if $hadoop::hdfs_enable {
    contain hadoop::common::hdfs::config
  }
  contain hadoop::common::mapred::config
  contain hadoop::common::yarn::config
  contain hadoop::common::mapred::daemon

  $keytab = $hadoop::keytab_jobhistory
  $user = 'mapred'
  $file = '/tmp/krb5cc_jhs'
  $principal = "jhs/${::fqdn}@${hadoop::realm}"
  # for templates in env/*
  $krbrefresh = $hadoop::features["krbrefresh"]

  if $hadoop::realm and $hadoop::realm != ''{
    file { $keytab:
      owner  => 'mapred',
      group  => 'mapred',
      mode   => '0400',
      alias  => 'jhs.service.keytab',
      before => File["${hadoop::confdir}/mapred-site.xml"],
    }

    if $hadoop::features["krbrefresh"] {
      $cron_ensure = 'present'
    } else {
      $cron_ensure = 'absent'
    }
    file { '/etc/cron.d/hadoop-historyserver-krb5cc':
      ensure  => $cron_ensure,
      owner   => 'root',
      group   => 'root',
      mode    => '0644',
      alias   => 'jhs-cron',
      content => template('hadoop/cron.erb'),
    }

    if $hadoop::features["krbrefresh"] {
      exec { 'jhs-kinit':
        command     => "kinit -k -t ${keytab} ${principal}",
        user        => $user,
        path        => '/bin:/usr/bin',
        environment => [ "KRB5CCNAME=FILE:${file}" ],
        creates     => $file,
      }

      File[$keytab] -> Exec['jhs-kinit']
    }
  }

  $env_historyserver = $hadoop::envs['historyserver']
  augeas{$env_historyserver:
    lens    => 'Shellvars.lns',
    incl    => $env_historyserver,
    changes => template('hadoop/env/mapred-historyserver.augeas.erb'),
  }
  #notice(template('hadoop/env/mapred-historyserver.augeas.erb'))
}