if Code.ensure_loaded?(:persistent_term) do
defmodule Actors.Config.PersistentTermConfig do
@moduledoc """
`Config.PersistentTermConfig` Implements the `Config` behavior
to allow the retrieval of system variables
that will be included in the system configuration.
"""
require Logger
@behaviour Actors.Config
@application :spawn
@default_actor_system_name "spawn-system"
@default_finch_pool_count System.schedulers_online()
@all_envs [
{:actor_system_name, @default_actor_system_name},
{:actors_max_restarts, "10000"},
{:actors_max_seconds, "3600"},
{:actors_global_backpressure_max_demand, "-1"},
{:actors_global_backpressure_min_demand, "-1"},
{:actors_global_backpressure_enabled, "true"},
{:app_name, Config.Name.generate()},
{:delayed_invokes, "true"},
{:deployment_mode, "sidecar"},
{:http_port, "9001"},
{:http_num_acceptors, "150"},
{:grpc_port, "9980"},
{:grpc_server_enabled, "true"},
{:grpc_reflection_enabled, "true"},
{:grpc_http_transcoding_enabled, "true"},
# default values are evaluated at runtime.
{:grpc_compiled_modules_path, :runtime},
{:grpc_actors_protos_path, :runtime},
{:grpc_include_protos_path, :runtime},
{:internal_nats_hosts, "nats://127.0.0.1:4222"},
{:internal_nats_tls, "false"},
{:internal_nats_auth, "false"},
{:internal_nats_auth_type, "simple"},
{:internal_nats_auth_user, "admin"},
{:internal_nats_auth_pass, "admin"},
{:internal_nats_auth_jwt, ""},
{:internal_nats_connection_backoff_period, "3000"},
{:logger_level, "debug"},
{:neighbours_sync_interval, "60000"},
{:node_host_interface, "0.0.0.0"},
{:pubsub_adapter, "native"},
{:pubsub_adapter_nats_hosts, "nats://127.0.0.1:4222"},
{:pubsub_adapter_nats_tls, "false"},
{:pubsub_adapter_nats_auth, "false"},
{:pubsub_adapter_nats_auth_type, "simple"},
{:pubsub_adapter_nats_auth_user, "admin"},
{:pubsub_adapter_nats_auth_pass, "admin"},
{:pubsub_adapter_nats_auth_jwt, ""},
{:proxy_http_client_adapter, "finch"},
{:proxy_http_client_adapter_pool_schedulers, "0"},
{:proxy_http_client_adapter_pool_size, "30"},
{:proxy_http_client_adapter_pool_max_idle_timeout, "1000"},
{:proxy_proto_descriptor_path, "/app/protos/user-function.desc"},
{:proxy_cluster_strategy, "gossip"},
{:proxy_headless_service, "proxy-headless"},
{:proxy_cluster_polling_interval, "3000"},
{:proxy_cluster_gossip_broadcast_only, "true"},
{:proxy_cluster_gossip_reuseaddr_address, "true"},
{:proxy_cluster_gossip_multicast_address, "255.255.255.255"},
{:proxy_uds_enable, "false"},
{:proxy_sock_addr, "/var/run/spawn.sock"},
{:proxy_host_interface, "0.0.0.0"},
{:proxy_disable_metrics, "false"},
{:proxy_console_metrics, "false"},
{:proxy_db_name, "eigr-functions-db"},
{:proxy_db_username, "admin"},
{:proxy_db_secret, "admin"},
{:proxy_db_host, "localhost"},
{:proxy_db_port, "3306"},
{:proxy_db_pool_size, "50"},
{:proxy_db_type, "mariadb"},
{:ship_interval, "2"},
{:ship_debounce, "2"},
{:sync_interval, "2"},
{:state_handoff_controller_adapter, "crdt"},
{:state_handoff_manager_pool_size, "20"},
{:state_handoff_manager_call_timeout, "60000"},
{:state_handoff_manager_call_pool_min, "0"},
{:state_handoff_manager_call_pool_max, "-1"},
{:state_handoff_max_restarts, "10000"},
{:state_handoff_max_seconds, "3600"},
{:user_function_host, "0.0.0.0"},
{:user_function_port, "8090"},
{:use_internal_nats, "false"}
]
@pool_percent_factor 40
@impl true
def load(), do: load_all_envs()
@impl true
def get(key) do
:persistent_term.get({__MODULE__, key})
end
defp load_all_envs() do
Logger.info("[Proxy.Config] Loading configs")
Enum.each(@all_envs, fn {key, _value} = tuple ->
env_value = load_env(tuple)
value_str =
if String.contains?(Atom.to_string(key), "secret"), do: "****", else: env_value
Logger.info("Loading config: [#{key}]:[#{value_str}]")
end)
end
defp load_env({:actors_max_restarts, default}) do
value =
env("SPAWN_SUPERVISORS_ACTORS_MAX_RESTARTS", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :actors_max_restarts}, value)
value
end
defp load_env({:actors_max_seconds, default}) do
value =
env("SPAWN_SUPERVISORS_ACTORS_MAX_SECONDS", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :actors_max_seconds}, value)
value
end
defp load_env({:actors_global_backpressure_max_demand, default}) do
value =
env("ACTORS_GLOBAL_BACKPRESSURE_MAX_DEMAND", default)
|> String.to_integer()
value =
if value == -1 do
base = 1 + @pool_percent_factor / 100
proxy_db_pool_size = load_env({:proxy_db_pool_size, "50"})
max_pool_size = round(proxy_db_pool_size * base)
max_pool_size = if max_pool_size > 0, do: max_pool_size, else: max_pool_size * -1
max_pool_size
else
value
end
:persistent_term.put({__MODULE__, :actors_global_backpressure_max_demand}, value)
value
end
defp load_env({:actors_global_backpressure_min_demand, default}) do
value =
env("ACTORS_GLOBAL_BACKPRESSURE_MIN_DEMAND", default)
|> String.to_integer()
value =
if value == -1 do
max_pool_size = load_env({:actors_global_backpressure_max_demand, "-1"})
min_pool_size = round(max_pool_size * 0.5)
min_pool_size = if min_pool_size > 0, do: min_pool_size, else: min_pool_size * -1
min_pool_size
else
value
end
:persistent_term.put({__MODULE__, :actors_global_backpressure_min_demand}, value)
value
end
defp load_env({:actors_global_backpressure_enabled, default}) do
value =
env("ACTORS_GLOBAL_BACKPRESSURE_ENABLED", default)
|> to_bool()
:persistent_term.put({__MODULE__, :actors_global_backpressure_enabled}, value)
value
end
defp load_env({:delayed_invokes, default}) do
value =
env("SPAWN_DELAYED_INVOKES", default)
|> to_bool()
:persistent_term.put({__MODULE__, :delayed_invokes}, value)
value
end
defp load_env({:deployment_mode, default}) do
value = env("PROXY_DEPLOYMENT_MODE", default)
:persistent_term.put({__MODULE__, :deployment_mode}, value)
value
end
defp load_env({:app_name, default}) do
value = env("PROXY_APP_NAME", default)
:persistent_term.put({__MODULE__, :app_name}, value)
value
end
defp load_env({:actor_system_name, default}) do
value = env("PROXY_ACTOR_SYSTEM_NAME", default)
:persistent_term.put({__MODULE__, :actor_system_name}, value)
value
end
defp load_env({:http_port, default}) do
value =
env("PROXY_HTTP_PORT", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :http_port}, value)
value
end
defp load_env({:grpc_port, default}) do
value =
env("PROXY_GRPC_PORT", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :grpc_port}, value)
value
end
defp load_env({:grpc_server_enabled, default}) do
value =
env("PROXY_GRPC_SERVER_ENABLED", default)
|> to_bool()
:persistent_term.put({__MODULE__, :grpc_server_enabled}, value)
value
end
defp load_env({:grpc_reflection_enabled, default}) do
value =
env("PROXY_GRPC_REFLECTION_ENABLED", default)
|> to_bool()
:persistent_term.put({__MODULE__, :grpc_reflection_enabled}, value)
value
end
defp load_env({:grpc_http_transcoding_enabled, default}) do
value =
env("PROXY_GRPC_HTTP_TRANSCODING_ENABLED", default)
|> to_bool()
:persistent_term.put({__MODULE__, :grpc_http_transcoding_enabled}, value)
value
end
defp load_env({:grpc_actors_protos_path, :runtime}) do
default_value = "#{File.cwd!()}/priv/protos/actors"
value = env("PROXY_GRPC_ACTORS_PROTOS_PATH", default_value)
:persistent_term.put({__MODULE__, :grpc_actors_protos_path}, value)
value
end
defp load_env({:grpc_include_protos_path, :runtime}) do
default_value = "#{File.cwd!()}/priv/protos"
value = env("PROXY_GRPC_INCLUDE_PROTOS_PATH", default_value)
:persistent_term.put({__MODULE__, :grpc_include_protos_path}, value)
value
end
defp load_env({:grpc_compiled_modules_path, :runtime}) do
default_value = "#{File.cwd!()}/priv/generated_modules"
value = env("PROXY_GRPC_COMPILED_MODULES_PATH", default_value)
:persistent_term.put({__MODULE__, :grpc_compiled_modules_path}, value)
value
end
defp load_env({:http_num_acceptors, default}) do
value =
env("PROXY_HTTP_NUM_ACCEPTORS", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :http_num_acceptors}, value)
value
end
defp load_env({:internal_nats_hosts, default}) do
value = env("SPAWN_INTERNAL_NATS_HOSTS", default)
:persistent_term.put({__MODULE__, :internal_nats_hosts}, value)
value
end
defp load_env({:internal_nats_tls, default}) do
value =
env("SPAWN_INTERNAL_NATS_TLS", default)
|> to_bool()
:persistent_term.put({__MODULE__, :internal_nats_tls}, value)
value
end
defp load_env({:internal_nats_auth, default}) do
value =
env("SPAWN_INTERNAL_NATS_AUTH", default)
|> to_bool()
:persistent_term.put({__MODULE__, :internal_nats_auth}, value)
value
end
defp load_env({:internal_nats_auth_type, default}) do
value = env("SPAWN_INTERNAL_NATS_AUTH_TYPE", default)
:persistent_term.put({__MODULE__, :internal_nats_auth_type}, value)
value
end
defp load_env({:internal_nats_auth_user, default}) do
value = env("SPAWN_INTERNAL_NATS_AUTH_USER", default)
:persistent_term.put({__MODULE__, :internal_nats_auth_user}, value)
value
end
defp load_env({:internal_nats_auth_pass, default}) do
value = env("SPAWN_INTERNAL_NATS_AUTH_PASS", default)
:persistent_term.put({__MODULE__, :internal_nats_auth_pass}, value)
value
end
defp load_env({:internal_nats_auth_jwt, default}) do
value = env("SPAWN_INTERNAL_NATS_AUTH_JWT", default)
:persistent_term.put({__MODULE__, :internal_nats_auth_jwt}, value)
value
end
defp load_env({:internal_nats_connection_backoff_period, default}) do
value =
env("SPAWN_INTERNAL_NATS_BACKOFF_PERIOD", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :internal_nats_connection_backoff_period}, value)
value
end
defp load_env({:logger_level, default}) do
value =
env("SPAWN_PROXY_LOGGER_LEVEL", default)
|> String.to_atom()
:persistent_term.put({__MODULE__, :logger_level}, value)
value
end
defp load_env({:neighbours_sync_interval, default}) do
value =
env("SPAWN_STATE_HANDOFF_SYNC_INTERVAL", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :neighbours_sync_interval}, value)
value
end
defp load_env({:node_host_interface, default}) do
value = env("NODE_IP", default)
:persistent_term.put({__MODULE__, :node_host_interface}, value)
value
end
defp load_env({:pubsub_adapter, default}) do
value = env("SPAWN_PUBSUB_ADAPTER", default)
:persistent_term.put({__MODULE__, :pubsub_adapter}, value)
value
end
defp load_env({:pubsub_adapter_nats_hosts, default}) do
value = env("SPAWN_PUBSUB_NATS_HOSTS", default)
:persistent_term.put({__MODULE__, :pubsub_adapter_nats_hosts}, value)
value
end
defp load_env({:pubsub_adapter_nats_tls, default}) do
value =
env("SPAWN_PUBSUB_NATS_TLS", default)
|> to_bool()
:persistent_term.put({__MODULE__, :pubsub_adapter_nats_tls}, value)
value
end
defp load_env({:pubsub_adapter_nats_auth, default}) do
value = env("SPAWN_PUBSUB_NATS_AUTH", default)
:persistent_term.put({__MODULE__, :pubsub_adapter_nats_auth}, value)
value
end
defp load_env({:pubsub_adapter_nats_auth_type, default}) do
value = env("SPAWN_PUBSUB_NATS_AUTH_TYPE", default)
:persistent_term.put({__MODULE__, :pubsub_adapter_nats_auth_type}, value)
value
end
defp load_env({:pubsub_adapter_nats_auth_user, default}) do
value = env("SPAWN_PUBSUB_NATS_AUTH_USER", default)
:persistent_term.put({__MODULE__, :pubsub_adapter_nats_auth_user}, value)
value
end
defp load_env({:pubsub_adapter_nats_auth_pass, default}) do
value = env("SPAWN_PUBSUB_NATS_AUTH_PASS", default)
:persistent_term.put({__MODULE__, :pubsub_adapter_nats_auth_pass}, value)
value
end
defp load_env({:pubsub_adapter_nats_auth_jwt, default}) do
value = env("SPAWN_PUBSUB_NATS_AUTH_JWT", default)
:persistent_term.put({__MODULE__, :pubsub_adapter_nats_auth_jwt}, value)
value
end
defp load_env({:proxy_http_client_adapter, default}) do
value = env("PROXY_HTTP_CLIENT_ADAPTER", default)
:persistent_term.put({__MODULE__, :proxy_http_client_adapter}, value)
value
end
defp load_env({:proxy_http_client_adapter_pool_schedulers, default}) do
value =
env("PROXY_HTTP_CLIENT_ADAPTER_POOL_SCHEDULERS", default)
|> String.to_integer()
value =
if value == 0,
do: @default_finch_pool_count,
else: value
:persistent_term.put({__MODULE__, :proxy_http_client_adapter_pool_schedulers}, value)
value
end
defp load_env({:proxy_http_client_adapter_pool_size, default}) do
value =
env("PROXY_HTTP_CLIENT_ADAPTER_POOL_SIZE", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :proxy_http_client_adapter_pool_size}, value)
value
end
defp load_env({:proxy_http_client_adapter_pool_max_idle_timeout, default}) do
value =
env("PROXY_HTTP_CLIENT_ADAPTER_POOL_MAX_IDLE_TIMEOUT", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :proxy_http_client_adapter_pool_max_idle_timeout}, value)
value
end
defp load_env({:proxy_proto_descriptor_path, default}) do
value = env("PROXY_PROTO_DESCRIPTOR_PATH", default)
:persistent_term.put({__MODULE__, :proxy_proto_descriptor_path}, value)
value
end
defp load_env({:proxy_cluster_strategy, default}) do
value = env("PROXY_CLUSTER_STRATEGY", default)
:persistent_term.put({__MODULE__, :proxy_cluster_strategy}, value)
value
end
defp load_env({:proxy_headless_service, default}) do
value = env("PROXY_HEADLESS_SERVICE", default)
:persistent_term.put({__MODULE__, :proxy_headless_service}, value)
value
end
defp load_env({:proxy_cluster_polling_interval, default}) do
value =
env("PROXY_CLUSTER_POLLING", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :proxy_cluster_polling_interval}, value)
value
end
defp load_env({:proxy_cluster_gossip_broadcast_only, default}) do
value =
env("PROXY_CLUSTER_GOSSIP_BROADCAST_ONLY", default)
|> to_bool()
:persistent_term.put({__MODULE__, :proxy_cluster_gossip_broadcast_only}, value)
value
end
defp load_env({:proxy_cluster_gossip_reuseaddr_address, default}) do
value =
env("PROXY_CLUSTER_GOSSIP_REUSE_ADDRESS", default)
|> to_bool()
:persistent_term.put({__MODULE__, :proxy_cluster_gossip_reuseaddr_address}, value)
value
end
defp load_env({:proxy_cluster_gossip_multicast_address, default}) do
value = env("PROXY_CLUSTER_GOSSIP_MULTICAST_ADDRESS", default)
:persistent_term.put({__MODULE__, :proxy_cluster_gossip_multicast_address}, value)
value
end
defp load_env({:proxy_uds_enable, default}) do
value =
env("PROXY_UDS_ENABLED", default)
|> to_bool()
:persistent_term.put({__MODULE__, :proxy_uds_enable}, value)
value
end
defp load_env({:proxy_sock_addr, default}) do
value = env("PROXY_UDS_ADDRESS", default)
:persistent_term.put({__MODULE__, :proxy_sock_addr}, value)
value
end
defp load_env({:proxy_host_interface, default}) do
value = env("PROXY_HOST_INTERFACE", default)
:persistent_term.put({__MODULE__, :proxy_host_interface}, value)
value
end
defp load_env({:proxy_disable_metrics, default}) do
value =
env("SPAWN_DISABLE_METRICS", default)
|> to_bool()
:persistent_term.put({__MODULE__, :proxy_disable_metrics}, value)
value
end
defp load_env({:proxy_console_metrics, default}) do
value =
env("SPAWN_CONSOLE_METRICS", default)
|> to_bool()
:persistent_term.put({__MODULE__, :proxy_console_metrics}, value)
value
end
defp load_env({:proxy_db_name, default}) do
value = env("PROXY_DATABASE_NAME", default)
:persistent_term.put({__MODULE__, :proxy_db_name}, value)
value
end
defp load_env({:proxy_db_username, default}) do
value = env("PROXY_DATABASE_USERNAME", default)
:persistent_term.put({__MODULE__, :proxy_db_username}, value)
value
end
defp load_env({:proxy_db_secret, default}) do
value = env("PROXY_DATABASE_SECRET", default)
:persistent_term.put({__MODULE__, :proxy_db_secret}, value)
value
end
defp load_env({:proxy_db_host, default}) do
value = env("PROXY_DATABASE_HOST", default)
:persistent_term.put({__MODULE__, :proxy_db_host}, value)
value
end
defp load_env({:proxy_db_port, default}) do
default =
if Code.ensure_loaded?(Statestores.Supervisor) do
Statestores.Util.get_default_database_port()
else
default
end
value =
env("PROXY_DATABASE_PORT", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :proxy_db_port}, value)
value
end
defp load_env({:proxy_db_type, default}) do
default =
if Code.ensure_loaded?(Statestores.Supervisor) do
Statestores.Util.get_default_database_type()
else
default
end
value = env("PROXY_DATABASE_TYPE", default)
:persistent_term.put({__MODULE__, :proxy_db_type}, value)
value
end
defp load_env({:proxy_db_pool_size, default}) do
value =
env("PROXY_DATABASE_POOL_SIZE", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :proxy_db_pool_size}, value)
value
end
defp load_env({:ship_interval, default}) do
value =
env("SPAWN_CRDT_SHIP_INTERVAL", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :ship_interval}, value)
value
end
defp load_env({:ship_debounce, default}) do
value =
env("SPAWN_CRDT_SHIP_DEBOUNCE", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :ship_debounce}, value)
value
end
defp load_env({:sync_interval, default}) do
value =
env("SPAWN_CRDT_SHIP_DEBOUNCE", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :sync_interval}, value)
value
end
defp load_env({:state_handoff_controller_adapter, default}) do
value_str = env("SPAWN_SUPERVISORS_STATE_HANDOFF_CONTROLLER", default)
case value_str do
"crdt" ->
Application.put_env(
:spawn,
:state_handoff_controller_adapter,
Spawn.Cluster.StateHandoff.Controllers.CrdtController,
persistent: true
)
_ ->
if Code.ensure_loaded?(Statestores.Supervisor) do
Application.put_env(
:spawn,
:state_handoff_controller_adapter,
Spawn.Cluster.StateHandoff.Controllers.PersistentController,
persistent: true
)
backend_adapter = Statestores.Util.load_lookup_adapter()
Application.put_env(
:spawn,
:state_handoff_controller_persistent_backend,
backend_adapter,
persistent: true
)
else
Application.put_env(
:spawn,
:state_handoff_controller_adapter,
Spawn.Cluster.StateHandoff.Controllers.CrdtController,
persistent: true
)
end
end
:persistent_term.put({__MODULE__, :state_handoff_controller_adapter}, value_str)
value_str
end
defp load_env({:state_handoff_manager_pool_size, default}) do
value =
env("SPAWN_SUPERVISORS_STATE_HANDOFF_MANAGER_POOL_SIZE", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :state_handoff_manager_pool_size}, value)
value
end
defp load_env({:state_handoff_manager_call_timeout, default}) do
value =
env("SPAWN_SUPERVISORS_STATE_HANDOFF_MANAGER_CALL_TIMEOUT", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :state_handoff_manager_call_timeout}, value)
value
end
defp load_env({:state_handoff_manager_call_pool_min, default}) do
value =
env("SPAWN_SUPERVISORS_STATE_HANDOFF_MANAGER_CALL_POOL_MIN", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :state_handoff_manager_call_pool_min}, value)
value
end
defp load_env({:state_handoff_manager_call_pool_max, default}) do
value =
env("SPAWN_SUPERVISORS_STATE_HANDOFF_MANAGER_CALL_POOL_MAX", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :state_handoff_manager_call_pool_max}, value)
value
end
defp load_env({:state_handoff_max_restarts, default}) do
value =
env("SPAWN_SUPERVISORS_STATE_HANDOFF_MAX_RESTARTS", default)
|> String.to_integer()
value = if value < 0, do: default, else: value
:persistent_term.put({__MODULE__, :state_handoff_max_restarts}, value)
value
end
defp load_env({:state_handoff_max_seconds, default}) do
value =
env("SPAWN_SUPERVISORS_STATE_HANDOFF_MAX_SECONDS", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :state_handoff_max_seconds}, value)
value
end
defp load_env({:user_function_host, default}) do
value = env("USER_FUNCTION_HOST", default)
:persistent_term.put({__MODULE__, :user_function_host}, value)
value
end
defp load_env({:user_function_port, default}) do
value =
env("USER_FUNCTION_PORT", default)
|> String.to_integer()
:persistent_term.put({__MODULE__, :user_function_port}, value)
value
end
defp load_env({:use_internal_nats, default}) do
value =
env("SPAWN_USE_INTERNAL_NATS", default)
|> to_bool()
:persistent_term.put({__MODULE__, :use_internal_nats}, value)
value
end
defp load_env({env_key, default}) when is_atom(env_key) do
key_str = Atom.to_string(env_key) |> String.upcase()
env(key_str, default)
end
defp env(key, default)
defp env(key, default) when is_binary(key) do
case System.get_env(key, default) do
nil ->
default
"" ->
default
value ->
value
end
end
defp env(key, default) when is_atom(key) do
case Application.get_env(@application, key) do
nil ->
default
"" ->
default
value ->
value
end
end
defp to_bool("false"), do: false
defp to_bool("true"), do: true
defp to_bool(_), do: false
end
else
defmodule Actors.Config.PersistentTermConfig do
@moduledoc false
@error "PersistentTermConfig module can't be used without OTP >= 21.2"
@behaviour Actors.Config
@impl true
def load(_mod), do: raise(@error)
@impl true
def get(_mod, _key), do: raise(@error)
end
end
