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	# == Class: cassandra
	#
	# Please see the README for this module for full details of what this class
	# does as part of the module and how to use it.
	#
	class cassandra (
	$authenticator
	= 'AllowAllAuthenticator',
	$authorizer
	= 'AllowAllAuthorizer',
	$auto_bootstrap = undef,
	$auto_snapshot = true,
	$batchlog_replay_throttle_in_kb = 1024,
	$batch_size_warn_threshold_in_kb = 5,
	$broadcast_address = undef,
	$broadcast_rpc_address = undef,
	$cas_contention_timeout_in_ms = 1000,
	$cassandra_9822 = false,
	$cassandra_yaml_tmpl
	= 'cassandra/cassandra.yaml.erb',
	$client_encryption_algorithm = undef,
	$client_encryption_cipher_suites = undef,
	$client_encryption_enabled = false,
	$client_encryption_keystore = 'conf/.keystore',
	$client_encryption_keystore_password = 'cassandra',
	$client_encryption_protocol = undef,
	$client_encryption_require_client_auth = undef,
	$client_encryption_store_type = undef,
	$client_encryption_truststore = undef,
	$client_encryption_truststore_password = undef,
	$cluster_name = 'Test Cluster',
	$column_index_size_in_kb = 64,
	$commitlog_directory
	= '/var/lib/cassandra/commitlog',
	$commitlog_segment_size_in_mb = 32,
	$commitlog_directory_mode = '0750',
	$commitlog_sync_period_in_ms = 10000,
	$commitlog_sync_batch_window_in_ms = undef,
	$commitlog_sync = 'periodic',
	$commitlog_total_space_in_mb = undef,
	$commit_failure_policy = stop,
	$compaction_throughput_mb_per_sec = 16,
	$concurrent_compactors = undef,
	$counter_cache_keys_to_save = undef,
	$counter_cache_size_in_mb = '',
	$concurrent_counter_writes = 32,
	$concurrent_reads = 32,
	$concurrent_writes = 32,
	$config_file_mode = '0644',
	$config_path = undef,
	$counter_cache_save_period = 7200,
	$counter_write_request_timeout_in_ms = 5000,
	$cross_node_timeout = false,
	$data_file_directories
	= ['/var/lib/cassandra/data'],
	$data_file_directories_mode = '0750',
	$dc = 'DC1',
	$dc_suffix = undef,
	$disk_failure_policy = 'stop',
	$dynamic_snitch_badness_threshold = 0.1,
	$dynamic_snitch_reset_interval_in_ms = 600000,
	$dynamic_snitch_update_interval_in_ms = 100,
	$endpoint_snitch = 'SimpleSnitch',
	$fail_on_non_supported_os = true,
	$fail_on_non_suppoted_os = undef,
	$file_cache_size_in_mb = undef,
	$hinted_handoff_enabled = true,
	$hinted_handoff_throttle_in_kb = 1024,
	$incremental_backups = false,
	$index_summary_capacity_in_mb = '',
	$index_summary_resize_interval_in_minutes = 60,
	$initial_token = undef,
	$inter_dc_stream_throughput_outbound_megabits_per_sec = undef,
	$inter_dc_tcp_nodelay = false,
	$internode_authenticator = undef,
	$internode_compression = 'all',
	$internode_recv_buff_size_in_bytes = undef,
	$internode_send_buff_size_in_bytes = undef,
	$key_cache_keys_to_save = undef,
	$key_cache_save_period = 14400,
	$key_cache_size_in_mb = '',
	$listen_address = 'localhost',
	$manage_dsc_repo = false,
	$max_hints_delivery_threads = 2,
	$max_hint_window_in_ms = 10800000,
	$memory_allocator = undef,
	$memtable_cleanup_threshold = undef,
	$memtable_flush_writers = undef,
	$memtable_heap_space_in_mb = undef,
	$memtable_offheap_space_in_mb = undef,
	$native_transport_max_concurrent_connections = undef,
	$native_transport_max_concurrent_connections_per_ip = undef,
	$native_transport_max_frame_size_in_mb = undef,
	$native_transport_max_threads = undef,
	$native_transport_port = 9042,
	$num_tokens = 256,
	$package_ensure = 'present',
	$package_name = undef,
	$partitioner
	= 'org.apache.cassandra.dht.Murmur3Partitioner',
	$permissions_update_interval_in_ms = undef,
	$permissions_validity_in_ms = 2000,
	$phi_convict_threshold = undef,
	$prefer_local = undef,
	$rack = 'RAC1',
	$range_request_timeout_in_ms = 10000,
	$read_request_timeout_in_ms = 5000,
	$request_scheduler
	= 'org.apache.cassandra.scheduler.NoScheduler',
	$request_scheduler_options_default_weight = undef,
	$request_scheduler_options_throttle_limit = undef,
	$request_timeout_in_ms = 10000,
	$row_cache_keys_to_save = undef,
	$row_cache_save_period = 0,
	$row_cache_size_in_mb = 0,
	$rpc_address = 'localhost',
	$rpc_max_threads = undef,
	$rpc_min_threads = undef,
	$rpc_port = 9160,
	$rpc_recv_buff_size_in_bytes = undef,
	$rpc_send_buff_size_in_bytes = undef,
	$rpc_server_type = 'sync',
	$saved_caches_directory
	= '/var/lib/cassandra/saved_caches',
	$saved_caches_directory_mode = '0750',
	$seed_provider_class_name
	= 'org.apache.cassandra.locator.SimpleSeedProvider',
	$seeds = '127.0.0.1',
	$server_encryption_algorithm = undef,
	$server_encryption_cipher_suites = undef,
	$server_encryption_internode = 'none',
	$server_encryption_keystore = 'conf/.keystore',
	$server_encryption_keystore_password = 'cassandra',
	$server_encryption_protocol = undef,
	$server_encryption_require_client_auth = undef,
	$server_encryption_store_type = undef,
	$server_encryption_truststore = 'conf/.truststore',
	$server_encryption_truststore_password = 'cassandra',
	$service_enable = true,
	$service_ensure = 'running',
	$service_name = 'cassandra',
	$service_refresh = true,
	$snapshot_before_compaction = false,
	$snitch_properties_file
	= 'cassandra-rackdc.properties',
	$ssl_storage_port = 7001,
	$sstable_preemptive_open_interval_in_mb = 50,
	$start_native_transport = true,
	$start_rpc = true,
	$storage_port = 7000,
	$streaming_socket_timeout_in_ms = undef,
	$stream_throughput_outbound_megabits_per_sec = undef,
	$tombstone_failure_threshold = 100000,
	$tombstone_warn_threshold = 1000,
	$trickle_fsync = false,
	$trickle_fsync_interval_in_kb = 10240,
	$truncate_request_timeout_in_ms = 60000,
	$write_request_timeout_in_ms = 2000
	) {
	if $manage_dsc_repo == true {
	$dep_014_url = 'https://github.com/locp/cassandra/wiki/DEP-014'
	require '::cassandra::datastax_repo'
	warning ("manage_dsc_repo has been deprecated. See ${dep_014_url}")
	}

	if $fail_on_non_suppoted_os != undef {
	$dep_015_url = 'https://github.com/locp/cassandra/wiki/DEP-015'
	$supported_os_only = $fail_on_non_suppoted_os
	warning ("fail_on_non_suppoted_os has been deprecated. See ${dep_015_url}")
	} else {
	$supported_os_only = $fail_on_non_supported_os
	}

	case $::osfamily {
	'RedHat': {
	if $config_path == undef {
	$cfg_path = '/etc/cassandra/default.conf'
	} else {
	$cfg_path = $config_path
	}

	if $package_name == undef {
	$cassandra_pkg = 'cassandra22'
	} else {
	$cassandra_pkg = $package_name
	}
	}
	'Debian': {
	if $config_path == undef {
	$cfg_path = '/etc/cassandra'
	} else {
	$cfg_path = $config_path
	}

	if $package_name == undef {
	$cassandra_pkg = 'cassandra'
	} else {
	$cassandra_pkg = $package_name
	}

	# A workaround for CASSANDRA-9822
	if $cassandra_9822 == true {
	file { '/etc/init.d/cassandra':
	source => 'puppet:///modules/cassandra/CASSANDRA-9822/cassandra'
	}
	}
	}
	default: {
	if $supported_os_only {
	fail("OS family ${::osfamily} not supported")
	} else {
	$cassandra_pkg = $package_name
	$cfg_path = $config_path
	warning("OS family ${::osfamily} not supported")
	}
	}
	}

	package { $cassandra_pkg:
	ensure => $package_ensure,
	}

	$config_file = "${cfg_path}/cassandra.yaml"

	file { $config_file:
	ensure => present,
	owner => 'cassandra',
	group => 'cassandra',
	content => template($cassandra_yaml_tmpl),
	mode => $config_file_mode,
	require => Package[$cassandra_pkg],
	}

	file { $commitlog_directory:
	ensure => directory,
	owner => 'cassandra',
	group => 'cassandra',
	mode => $commitlog_directory_mode,
	require => Package[$cassandra_pkg]
	}

	file { $data_file_directories:
	ensure => directory,
	owner => 'cassandra',
	group => 'cassandra',
	mode => $data_file_directories_mode,
	require => Package[$cassandra_pkg]
	}

	file { $saved_caches_directory:
	ensure => directory,
	owner => 'cassandra',
	group => 'cassandra',
	mode => $saved_caches_directory_mode,
	require => Package[$cassandra_pkg]
	}

	if $package_ensure != 'absent'
	and $package_ensure != 'purged' {
	if $service_refresh == true {
	service { 'cassandra':
	ensure => $service_ensure,
	name => $service_name,
	enable => $service_enable,
	subscribe => [
	File[$commitlog_directory],
	File[$config_file],
	File[$data_file_directories],
	File[$saved_caches_directory],
	Ini_setting['rackdc.properties.dc'],
	Ini_setting['rackdc.properties.rack'],
	Package[$cassandra_pkg],
	]
	}
	} else {
	service { 'cassandra':
	ensure => $service_ensure,
	name => $service_name,
	enable => $service_enable
	}
	}
	}

	$dc_rack_properties_file = "${cfg_path}/${snitch_properties_file}"

	ini_setting { 'rackdc.properties.dc':
	path => $dc_rack_properties_file,
	section => '',
	setting => 'dc',
	value => $dc,
	require => Package[$cassandra_pkg],
	}

	ini_setting { 'rackdc.properties.rack':
	path => $dc_rack_properties_file,
	section => '',
	setting => 'rack',
	value => $rack,
	require => Package[$cassandra_pkg],
	}

	if $dc_suffix != undef {
	if $service_refresh == true {
	ini_setting { 'rackdc.properties.dc_suffix':
	path => $dc_rack_properties_file,
	section => '',
	setting => 'dc_suffix',
	value => $dc_suffix,
	require => Package[$cassandra_pkg],
	notify => Service['cassandra']
	}
	} else {
	ini_setting { 'rackdc.properties.dc_suffix':
	path => $dc_rack_properties_file,
	section => '',
	setting => 'dc_suffix',
	value => $dc_suffix,
	require => Package[$cassandra_pkg],
	}
	}
	}

	if $prefer_local != undef {
	if $service_refresh == true {
	ini_setting { 'rackdc.properties.prefer_local':
	path => $dc_rack_properties_file,
	section => '',
	setting => 'prefer_local',
	value => $prefer_local,
	require => Package[$cassandra_pkg],
	notify => Service['cassandra']
	}
	} else {
	ini_setting { 'rackdc.properties.prefer_local':
	path => $dc_rack_properties_file,
	section => '',
	setting => 'prefer_local',
	value => $prefer_local,
	require => Package[$cassandra_pkg],
	}
	}
	}
	}

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