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0.1.0
Spawn is the core lib for Spawn Actors System
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lib/actors/node/client.ex
defmodule Actors.Node.Client do
@moduledoc """
`Node.Client` Uses the HTTP interface to communicate with the application
that owns the ActorHosts.
"""
use Tesla
alias Actors.Config.Vapor, as: Config
import Spawn.Utils.Common, only: [to_existing_atom_or_new: 1]
@actor_invoke_uri "/api/v1/actors/actions"
plug(
Tesla.Middleware.BaseUrl,
"http://#{Config.get(Actors, :user_function_host)}:#{Config.get(Actors, :user_function_port)}"
)
plug(Tesla.Middleware.Headers, [
{"Connection", "keep-alive"},
{"content-type", "application/octet-stream"}
])
plug(Tesla.Middleware.Logger)
def invoke_host_actor(req, opts \\ [])
def invoke_host_actor(req, opts) do
case get_deployment_mode() do
:sidecar ->
post(@actor_invoke_uri, req)
:daemon ->
Tesla.post(client(opts), @actor_invoke_uri, req)
unknown ->
raise ArgumentError,
"Unknown Deployment Mode. Valid :sidecar or :daemon, found #{inspect(unknown)}"
end
end
defp client(opts) do
middleware = [
{Tesla.Middleware.BaseUrl, get_host_address(get_deployment_mode(), opts)},
{Tesla.Middleware.Headers, [{"content-type", "application/octet-stream"}]},
Tesla.Middleware.Logger
]
Tesla.client(middleware)
end
defp get_deployment_mode() do
Config.get(Actors, :deployment_mode)
|> to_existing_atom_or_new()
end
defp get_host_address(deployment_mode, _opts \\ [])
defp get_host_address(:sidecar, _opts) do
"#{get_protocol()}://#{Config.get(Actors, :user_function_host)}:#{Config.get(Actors, :user_function_port)}"
end
defp get_host_address(:daemon, opts) do
host = Keyword.fetch!(opts, :remote_ip)
"#{get_protocol()}://#{host}:8090"
end
defp get_protocol() do
"http"
end
end