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pkgs:
{ config, lib, name, ... }:
let
inherit (builtins)
toJSON ;
inherit (lib)
filterAttrs mapAttrs mapAttrsToList mkOption ;
inherit (lib.types)
attrsOf bool enum int listOf nullOr package path str ;
explicit = filterAttrs (n: v: n != "_module" && v != null);
default = d: t: mkOption { type = t; default = d; };
optional = t: mkOption { type = nullOr t; default = null; };
readonly = d: t: mkOption { type = nullOr t; default = d; readOnly = true; };
params = config.parameters;
entries =
let
transform = n: v:
if n == "seed_provider" then
mapAttrsToList (p: o:
{ class_name = p;
parameters = mapAttrsToList (a: b: { ${a} = b; }) o;
}
) v
else v;
in mapAttrs transform (explicit params);
configFile = pkgs.runCommand "cassandra-${name}.yml" {} ''
${pkgs.haskellPackages.yaml}/bin/json2yaml \
${pkgs.writeText "cassandra-${name}.json" (toJSON entries)} > "$out"
'';
in {
options = {
package = mkOption {
description = ''
The Cassandra package. This is a convenient way to set Java class
path and library path. The package should include `$out/share/java`
directory with all jars required to run Cassandra and `$out/lib/jni`
with all runtime libraries.
'';
default = pkgs.cassandra3;
type = package;
};
jre = {
package = mkOption {
description = "Java runtime package";
default = pkgs.jre8;
type = package;
};
# TODO: this should be generalized, see default.nix
properties = {
cassandra.config = readonly "file://${configFile}" str;
java.io.tmpdir = readonly "${config.home}/tmp" path;
java.library.path = default [ "${config.package}/lib/jni" ] (listOf path);
};
};
classpath = mkOption {
description = "Cassandra's Java class path";
type = listOf path;
default = [ "${config.package}/share/java/*" ];
};
user = mkOption {
description = "User to run as";
default = "cassandra-${name}";
type = str;
};
home = mkOption {
description = "Cassandra home directory";
default = "/cassandra/${name}";
type = path;
};
# XXX "Default" is missleading in Cassandra docs.
# XXX Parameters shall be defined in config file.
parameters = {
seed_provider = mkOption {
description = "Seed providers with paramaters";
type = attrsOf (attrsOf str);
default = {
"org.apache.cassandra.locator.SimpleSeedProvider" = {
seeds = "127.0.0.1";
};
};
};
# TBD: back_pressure_strategy
# TBD: client_encryption_options
# TBD: commitlog_compression
# TBD: hints_compression
# TBD: otc_coalescing_strategy
# TBD: seed_provider
# TBD: server_encryption_options
# TBD: transparent_data_encryption_options
allocate_tokens_for_keyspace = optional str;
authenticator = optional str;
authorizer = optional str;
auto_snapshot = optional bool;
back_pressure_enabled = optional bool;
batch_size_fail_threshold_in_kb = optional int;
batch_size_warn_threshold_in_kb = optional int;
batchlog_replay_throttle_in_kb = optional int;
broadcast_address = optional str;
broadcast_rpc_address = optional str;
buffer_pool_use_heap_if_exhausted = optional bool;
cas_contention_timeout_in_ms = optional int;
cdc_enabled = optional bool;
cdc_free_space_check_interval_ms = optional int;
cdc_raw_directory = readonly "${config.home}/cdc_raw" path;
cdc_total_space_in_mb = optional int;
cluster_name = default name str;
column_index_cache_size_in_kb = optional int;
column_index_size_in_kb = optional int;
commit_failure_policy = optional (enum ["die" "stop" "stop_commit" "ignore"]);
commitlog_directory = readonly "${config.home}/commitlog" path;
commitlog_segment_size_in_mb = optional int;
commitlog_sync = default "periodic" (enum ["periodic" "batch"]);
commitlog_sync_batch_window_in_ms = optional int;
commitlog_sync_period_in_ms = default 10000 int;
commitlog_total_space_in_mb = optional int;
compaction_large_partition_warning_threshold_mb = optional int;
compaction_throughput_mb_per_sec = optional int;
concurrent_compactors = optional int;
concurrent_counter_writes = optional int;
concurrent_materialized_view_writes = optional int;
concurrent_reads = optional int;
concurrent_writes = optional int;
counter_cache_keys_to_save = optional int;
counter_cache_save_period = optional int;
counter_cache_size_in_mb = optional int;
counter_write_request_timeout_in_ms = optional int;
credentials_update_interval_in_ms = optional int;
credentials_validity_in_ms = optional int;
cross_node_timeout = optional bool;
data_file_directories = readonly ["${config.home}/data"] (listOf path);
disk_failure_policy = optional (enum ["die" "stop_paranoid" "stop" "best_effort" "ignore"]);
disk_optimization_strategy = optional (enum ["ssd" "spinning"]);
dynamic_snitch_reset_interval_in_ms = optional int;
dynamic_snitch_update_interval_in_ms = optional int;
enable_scripted_user_defined_functions = optional bool;
enable_user_defined_functions = optional bool;
endpoint_snitch = default "SimpleSnitch" str;
file_cache_size_in_mb = optional int;
gc_log_threshold_in_ms = optional int;
gc_warn_threshold_in_ms = optional int;
hinted_handoff_disabled_datacenters = optional (listOf str);
hinted_handoff_enabled = optional bool;
hinted_handoff_throttle_in_kb = optional int;
hints_directory = readonly "${config.home}/hints" path;
hints_flush_period_in_ms = optional int;
ideal_consistency_level = optional str;
incremental_backups = optional bool;
index_summary_capacity_in_mb = optional int;
index_summary_resize_interval_in_minutes = optional int;
initial_token = optional str;
inter_dc_stream_throughput_outbound_megabits_per_sec = optional int;
inter_dc_tcp_nodelay = optional bool;
internode_authenticator = optional str;
internode_compression = optional (enum ["all" "dc" "none"]);
internode_recv_buff_size_in_bytes = optional int;
internode_send_buff_size_in_bytes = optional int;
key_cache_keys_to_save = optional int;
key_cache_save_period = optional int;
key_cache_size_in_mb = optional int;
listen_address = default "localhost" str; # TODO: Set listen_address OR listen_interface, not both.
listen_interface = optional str; # TODO: Set listen_address OR listen_interface, not both.
listen_interface_prefer_ipv6 = optional bool;
listen_on_broadcast_address = optional bool;
max_hint_window_in_ms = optional int;
max_hints_delivery_threads = optional int;
max_hints_file_size_in_mb = optional int;
max_value_size_in_mb = optional int;
memtable_allocation_type = optional (enum ["heap_buffers" "offheap_buffers" "offheap_objects"]);
memtable_flush_writers = optional int;
memtable_heap_space_in_mb = optional int;
memtable_offheap_space_in_mb = optional int;
native_transport_max_concurrent_connections = optional int;
native_transport_max_concurrent_connections_per_ip = optional int;
native_transport_max_frame_size_in_mb = optional int;
native_transport_max_threads = optional int;
native_transport_port = optional int;
native_transport_port_ssl = optional int;
num_tokens = optional int;
otc_backlog_expiration_interval_ms = optional int;
otc_coalescing_enough_coalesced_messages = optional int;
otc_coalescing_window_us = optional int;
partitioner = default "org.apache.cassandra.dht.Murmur3Partitioner" str;
permissions_update_interval_in_ms = optional int;
permissions_validity_in_ms = optional int;
phi_convict_threshold = optional int;
prepared_statements_cache_size_mb = optional int;
range_request_timeout_in_ms = optional int;
read_request_timeout_in_ms = optional int;
request_timeout_in_ms = optional int;
role_manager = optional str;
roles_update_interval_in_ms = optional int;
roles_validity_in_ms = optional int;
row_cache_class_name = optional str;
row_cache_keys_to_save = optional int;
row_cache_save_period = optional int;
row_cache_size_in_mb = optional int;
rpc_address = optional str; # TODO: Set rpc_address OR rpc_interface, not both.
rpc_interface = optional str; # TODO: Set rpc_address OR rpc_interface, not both.
rpc_interface_prefer_ipv6 = optional bool;
rpc_keepalive = optional bool;
saved_caches_directory = readonly "${config.home}/saved_caches" path;
slow_query_log_timeout_in_ms = optional int;
snapshot_before_compaction = optional bool;
ssl_storage_port = default 7001 int;
sstable_preemptive_open_interval_in_mb = optional int;
start_native_transport = optional bool;
storage_port = default 7000 int;
stream_throughput_outbound_megabits_per_sec = optional int;
streaming_connections_per_host = optional int;
streaming_keep_alive_period_in_secs = optional int;
tombstone_failure_threshold = optional int;
tombstone_warn_threshold = optional int;
tracetype_query_ttl = optional int;
tracetype_repair_ttl = optional int;
trickle_fsync = optional bool;
trickle_fsync_interval_in_kb = optional int;
truncate_request_timeout_in_ms = optional int;
unlogged_batch_across_partitions_warn_threshold = optional int;
windows_timer_interval = optional int;
write_request_timeout_in_ms = optional int;
};
};
}
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