Puppet Class: confluent::kafka::connect::standalone

Inherits:
::confluent::params
Defined in:
manifests/kafka/connect/standalone.pp

Overview

Class is used to install

Examples:

Installation through class.

class{'confluent::kafka::connect::standalone':
  config => {
    'bootstrap.servers' => {
      'value' => 'broker-01:9092,broker-02:9092,broker-03:9092'
    },
    'key.converter' => {
      'value' => 'io.confluent.connect.avro.AvroConverter'
    },
    'value.converter' => {
      'value' => 'io.confluent.connect.avro.AvroConverter'
    },
    'key.converter.schema.registry.url' => {
      'value' => 'http://schema-registry-01:8081'
    },
    'value.converter.schema.registry.url' => {
      'value' => 'http://schema-registry-01:8081'
    },
  },
  environment_settings => {
    'KAFKA_HEAP_OPTS' => {
      'value' => '-Xmx4000M'
    }
  }
}

Hiera based installation

include ::confluent::kafka::connect::standalone

 confluent::kafka::connect::standalone::config:
   'bootstrap.servers':
     value: 'broker-01:9092,broker-02:9092,broker-03:9092'
   'key.converter':
     value: 'io.confluent.connect.avro.AvroConverter'
   'value.converter':
     value: 'io.confluent.connect.avro.AvroConverter'
   'key.converter.schema.registry.url':
     value: 'http://schema-registry-01.example.com:8081'
   'value.converter.schema.registry.url':
     value: 'http://schema-registry-01.example.com:8081'
 confluent::kafka::connect::standalone::connect_settings:environment_settings:
   KAFKA_HEAP_OPTS:
     value: '-Xmx4000M'

Parameters:

  • config (Any) (defaults to: { }) —

    Settings to pass to the Kafka Connect properties file.

  • environment_settings (Any) (defaults to: { }) —

    Settings to put in the environment file used to pass environment variables to the kafka startup scripts.

  • config_path (Any) (defaults to: $::confluent::params::connect_standalone_config_path) —

    Path to the connect properties file.

  • environment_path (Any) (defaults to: $::confluent::params::connect_standalone_environment_path) —

    The file used to export environment variables that are consumed by Kafka scripts.

  • log_path (Any) (defaults to: $::confluent::params::connect_standalone_log_path) —

    The directory to write log files to.

  • user (Any) (defaults to: $::confluent::params::connect_standalone_user) —

    The user to run Kafka Connect as.

  • service_name (Any) (defaults to: $::confluent::params::connect_standalone_service) —

    The name of the service to create

  • manage_service (Any) (defaults to: $::confluent::params::connect_standalone_manage_service) —

    Flag to determine if the service should be enabled.

  • service_ensure (Any) (defaults to: $::confluent::params::connect_standalone_service_ensure) —

    Ensure setting to pass to the service resource.

  • service_enable (Any) (defaults to: $::confluent::params::connect_standalone_service_enable) —

    Enable setting to pass to the service resource.

  • file_limit (Any) (defaults to: $::confluent::params::connect_standalone_file_limit) —

    Number of file handles to configure. (SystemD only)

  • bootstrap_servers (Any)
  • connector_configs (Any) (defaults to: [])
  • manage_repository (Any) (defaults to: $::confluent::params::manage_repository)
  • stop_timeout_secs (Any) (defaults to: $::confluent::params::connect_standalone_stop_timeout_secs)
  • heap_size (Any) (defaults to: $::confluent::params::connect_standalone_heap_size) 


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# File 'manifests/kafka/connect/standalone.pp', line 58

class confluent::kafka::connect::standalone (
  $bootstrap_servers,
  $config               = { },
  $environment_settings = { },
  $connector_configs    = [],
  $config_path          = $::confluent::params::connect_standalone_config_path,
  $environment_path     = $::confluent::params::connect_standalone_environment_path,
  $log_path             = $::confluent::params::connect_standalone_log_path,
  $user                 = $::confluent::params::connect_standalone_user,
  $service_name         = $::confluent::params::connect_standalone_service,
  $manage_service       = $::confluent::params::connect_standalone_manage_service,
  $service_ensure       = $::confluent::params::connect_standalone_service_ensure,
  $service_enable       = $::confluent::params::connect_standalone_service_enable,
  $file_limit           = $::confluent::params::connect_standalone_file_limit,
  $manage_repository    = $::confluent::params::manage_repository,
  $stop_timeout_secs    = $::confluent::params::connect_standalone_stop_timeout_secs,
  $heap_size            = $::confluent::params::connect_standalone_heap_size
) inherits ::confluent::params {
  include ::confluent
  include ::confluent::kafka::connect

  if($manage_repository) {
    include ::confluent::repository
  }

  user { $user:
    ensure => present,
    alias  => 'kafka-connect-standalone'
  } ->
  file { $log_path:
    ensure  => directory,
    owner   => $user,
    group   => $user,
    recurse => true
  }

  $application = 'connect-standalone'


  $java_default_settings = {
    'KAFKA_HEAP_OPTS' => {
      'value' => "-Xmx${heap_size}"
    },
    'KAFKA_OPTS'      => {
      'value' => '-Djava.net.preferIPv4Stack=true'
    },
    'GC_LOG_ENABLED'  => {
      'value' => true
    },
    'LOG_DIR'         => {
      'value' => $log_path
    }
  }

  $connect_default_settings = {
    'bootstrap.servers' => {
      'value' => join(any2array($bootstrap_servers), ',')
    }
  }

  $actual_connect_settings = merge($connect_default_settings, $config)

  $ensure_connect_settings_defaults = {
    'ensure'      => 'present',
    'path'        => $config_path,
    'application' => $application
  }

  ensure_resources('confluent::java_property', $actual_connect_settings, $ensure_connect_settings_defaults)

  $actual_java_settings = merge($java_default_settings, $environment_settings)
  $ensure_java_settings_defaults = {
    'path'        => $environment_path,
    'application' => $application
  }

  ensure_resources('confluent::kafka_environment_variable', $actual_java_settings, $ensure_java_settings_defaults)

  $unit_ini_setting_defaults = {
    'ensure' => 'present'
  }

  $unit_ini_settings = {
    "${service_name}/Unit/Description"        => { 'value' => 'Apache Kafka Connect by Confluent', },
    "${service_name}/Unit/Wants"              => { 'value' => 'basic.target', },
    "${service_name}/Unit/After"              => { 'value' => 'basic.target network.target', },
    "${service_name}/Service/User"            => { 'value' => $user, },
    "${service_name}/Service/EnvironmentFile" => { 'value' => $environment_path, },
    "${service_name}/Service/ExecStart"       => {
      'value' => "/usr/bin/connect-standalone ${config_path}",
    },
    "${service_name}/Service/LimitNOFILE"     => { 'value' => $file_limit, },
    "${service_name}/Service/KillMode"        => { 'value' => 'process', },
    "${service_name}/Service/RestartSec"      => { 'value' => 5, },
    "${service_name}/Service/TimeoutStopSec"  => { 'value' => $stop_timeout_secs, },
    "${service_name}/Service/Type"            => { 'value' => 'simple', },
    "${service_name}/Install/WantedBy"        => { 'value' => 'multi-user.target', },
  }

  ensure_resources('confluent::systemd::unit_ini_setting', $unit_ini_settings, $unit_ini_setting_defaults)

  if($manage_service) {
    service { $service_name:
      ensure => $service_ensure,
      enable => $service_enable
    }
  }

}