site.pp.tmpl

$$distribution = '${distribution}' # cloudera, bigtop

$$hdfs_deployed = ${hdfs_deployed}
$$realm = '${realm}'
$$ssl = false

$$master = '${master_hostname}.${domain}'
$$frontends = [
  '${master_hostname}.${domain}',
]
$$nodes = suffix(${nodes}, '.${domain}')
$$zookeepers = [
  $$master,
]

if $$distribution == 'bigtop' {
  $$version = '1.5.0' # 1.4.0, 1.5.0
  $$hadoop_version = 2
} elsif $$distribution == 'cloudera' {
  $$version = '6.3.0'
  $$hadoop_version = 3
}

$$principals = suffix(concat(
  prefix(concat([$$master], $$nodes), 'host/'),
  prefix(concat([$$master], $$nodes), 'HTTP/'),
  ["httpfs/$$master"],
  prefix($$nodes, 'dn/'),
  ["nfs/$$master"],
  ["nn/$$master"],
  ["zookeeper/$$master"]
), "@$${realm}")

stage { 'kerberos':
  before => Stage['main'],
}

class{"kerberos":
  kadmin_hostname    => $$master,
  admin_principal    => "puppet/admin@$${realm}",
  admin_password     => '$kerberos_admin_password',
  master_password    => '$kerberos_master_password',
  realm              => $$realm,
  default_attributes => {
    'requires_preauth' => true,
  },
  default_policy     => 'default_host',
  stage              => 'kerberos',
}

class{'hadoop':
  acl                    => true,
  hdfs_hostname          => $$master,
  httpfs_hostnames       => [
    $$master,
  ],
  frontends              => $$frontends,
  oozie_hostnames        => [
    $$master,
  ],
  slaves                 => $$nodes,
  zookeeper_hostnames    => $$zookeepers,
  hdfs_name_dirs         => [
    '/data',
  ],
  hdfs_data_dirs         => $data_dirs,
  cluster_name           => '${domain}',
  https                  => $$ssl,
  realm                  => $$realm,
  features               => {