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spawn
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0.1.0
Spawn is the core lib for Spawn Actors System
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Files
lib/spawn/cluster/cluster_supervisor.ex
defmodule Spawn.Cluster.ClusterSupervisor do
@moduledoc false
use Supervisor
require Logger
import Spawn.Utils.Common, only: [supervisor_process_logger: 1]
alias Actors.Config.PersistentTermConfig, as: Config
def start_link(opts) do
Supervisor.start_link(__MODULE__, opts,
name: String.to_atom("#{String.capitalize(Config.get(:app_name))}.ClusterSupervisor")
)
end
@impl true
def init(opts) do
children = [
supervisor_process_logger(__MODULE__),
cluster_supervisor(opts)
]
Supervisor.init(children, strategy: :one_for_one)
end
defp cluster_supervisor(opts) do
cluster_strategy = Config.get(:proxy_cluster_strategy)
topologies =
case cluster_strategy do
"epmd" ->
get_epmd_strategy(opts)
"gossip" ->
get_gossip_strategy(opts)
"kubernetes-dns" ->
get_k8s_dns_strategy(opts)
_ ->
Logger.warning("Invalid Topology")
end
if topologies && Code.ensure_compiled(Cluster.Supervisor) do
Logger.debug("Cluster topology #{inspect(topologies)}")
{Cluster.Supervisor,
[
topologies,
[name: String.to_atom("#{String.capitalize(Config.get(:app_name))}.Cluster")]
]}
end
end
defp get_epmd_strategy(_opts) do
[
proxy: [
strategy: Cluster.Strategy.Epmd,
config: [
hosts: [
:"spawn_a@127.0.0.1",
:"spawn_a1@127.0.0.1",
:"spawn_a2@127.0.0.1",
:"spawn_a3@127.0.0.1",
:"spawn_a4@127.0.0.1",
:"spawn_actors_node@127.0.0.1",
:"spawn_actors_node1@127.0.0.1"
]
]
]
]
end
defp get_gossip_strategy(_opts) do
[
proxy: [
strategy: Cluster.Strategy.Gossip,
config: [
reuseaddr: Config.get(:proxy_cluster_gossip_reuseaddr_address),
multicast_addr: Config.get(:proxy_cluster_gossip_multicast_address),
broadcast_only: Config.get(:proxy_cluster_gossip_broadcast_only)
]
]
]
end
defp get_k8s_dns_strategy(_opts),
do: [
proxy: [
strategy: Elixir.Cluster.Strategy.Kubernetes.DNS,
config: [
service: Config.get(:proxy_headless_service),
application_name: "spawn",
polling_interval: Config.get(:proxy_cluster_polling_interval)
]
]
]
end