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# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
class hadoop_cluster_node (
$hadoop_security_authentication = hiera("hadoop::hadoop_security_authentication", "simple"),
# Lookup component array or comma separated components (i.e.
# hadoop,spark,hbase ) as a default via facter.
$cluster_components = "$::components"
) {
# Ensure (even if a single value) that the type is an array.
if is_array($cluster_components) {
$components = $cluster_components
} else {
$components = any2array($cluster_components, ",")
}
$all = ($components[0] == undef)
if ($hadoop_security_authentication == "kerberos") {
include kerberos::client
}
# Flume agent is the only component that goes on EVERY node in the cluster
if ($all or "flume" in $components) {
include hadoop-flume::agent
}
}
class hadoop_worker_node (
$bigtop_real_users = [ 'jenkins', 'testuser', 'hudson' ]
) inherits hadoop_cluster_node {
user { $bigtop_real_users:
ensure => present,
system => false,
managehome => true,
}
if ($hadoop_security_authentication == "kerberos") {
kerberos::host_keytab { $bigtop_real_users: }
User<||> -> Kerberos::Host_keytab<||>
}
include hadoop::datanode
if ($all or "yarn" in $components) {
include hadoop::nodemanager
}
if ($all or "hbase" in $components) {
include hadoop-hbase::server
}
if ($all or "ignite-hadoop" in $components) {
ignite-hadoop::server { "ignite-hadoop-node": }
}
### If mapred is not installed, yarn can fail.
### So, when we install yarn, we also need mapred for now.
### This dependency should be cleaned up eventually.
if ($all or "mapred-app" or "yarn" in $components) {
include hadoop::mapred-app
}
if ($all or "solrcloud" in $components) {
include solr::server
}
if ($all or "spark" in $components) {
include spark::worker
}
if ($all or "tachyon" in $components) {
include tachyon::worker
}
}
class hadoop_head_node inherits hadoop_worker_node {
exec { "init hdfs":
path => ['/bin','/sbin','/usr/bin','/usr/sbin'],
command => 'bash -x /usr/lib/hadoop/libexec/init-hdfs.sh',
require => Package['hadoop-hdfs'],
timeout => 0
}
Class['Hadoop::Namenode'] -> Class['Hadoop::Datanode'] -> Exec<| title == "init hdfs" |>
if ($hadoop_security_authentication == "kerberos") {
include kerberos::server
include kerberos::kdc
include kerberos::kdc::admin_server
}
include hadoop::namenode
if ($hadoop::common_hdfs::ha == "disabled") {
include hadoop::secondarynamenode
}
if ($all or "yarn" in $components) {
include hadoop::resourcemanager
include hadoop::historyserver
include hadoop::proxyserver
Exec<| title == "init hdfs" |> -> Class['Hadoop::Resourcemanager'] -> Class['Hadoop::Nodemanager']
Exec<| title == "init hdfs" |> -> Class['Hadoop::Historyserver']
}
if ($all or "hbase" in $components) {
include hadoop-hbase::master
Exec<| title == "init hdfs" |> -> Class['Hadoop-hbase::Master']
}
if ($all or "oozie" in $components) {
include hadoop-oozie::server
if ($all or "mapred-app" in $components) {
Class['Hadoop::Mapred-app'] -> Class['Hadoop-oozie::Server']
}
Exec<| title == "init hdfs" |> -> Class['Hadoop-oozie::Server']
}
if ($all or "hcat" in $components) {
include hcatalog::server
include hcatalog::webhcat::server
}
if ($all or "spark" in $components) {
include spark::master
}
if ($all or "tachyon" in $components) {
include tachyon::master
}
if ($all or "hbase" in $components) {
include hadoop-zookeeper::server
}
if ($all or "tez" in $components) {
include tez::client
Class['tez::client'] -> Exec<| title == "init hdfs" |>
}
# class hadoop::rsync_hdfs isn't used anywhere
#Exec<| title == "init hdfs" |> -> Class['Hadoop::Rsync_hdfs']
}
class standby_head_node inherits hadoop_cluster_node {
include hadoop::namenode
}
class hadoop_gateway_node inherits hadoop_cluster_node {
if ($all or "sqoop" in $components) {
include hadoop-sqoop::server
}
if ($all or "httpfs" in $components) {
include hadoop::httpfs
if ($all or "hue" in $components) {
Class['Hadoop::Httpfs'] -> Class['Hue::Server']
}
}
if ($all or "hue" in $components) {
include hue::server
if ($all or "hbase" in $components) {
Class['Hadoop-hbase::Client'] -> Class['Hue::Server']
}
}
include hadoop::client
if ($all or "mahout" in $components) {
include mahout::client
}
if ($all or "giraph" in $components) {
include giraph::client
}
if ($all or "crunch" in $components) {
include crunch::client
}
if ($all or "pig" in $components) {
include hadoop-pig::client
}
if ($all or "hive" in $components) {
include hadoop-hive::client
}
if ($all or "sqoop" in $components) {
include hadoop-sqoop::client
}
if ($all or "oozie" in $components) {
include hadoop-oozie::client
}
if ($all or "hbase" in $components) {
include hadoop-hbase::client
}
if ($all or "zookeeper" in $components) {
include hadoop-zookeeper::client
}
if ($all or "tez" in $components) {
include tez::client
}
}
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