Update Elixir version in circleci config.

farmbot_os/config/host/test.exs

@@ -1,5 +1,9 @@
 use Mix.Config
 
+config :logger_backend_ecto, LoggerBackendEcto.Repo,
+  adapter: Sqlite.Ecto2,
+  database: "/tmp/logs.sqlite3"
+
 cond do
   System.get_env("CIRCLECI") ->
     Mix.shell.info [:green, "Using circle ci config."]

farmbot_os/config/target/dev.exs

@@ -2,13 +2,6 @@ use Mix.Config
 local_file = Path.join(System.user_home!(), ".ssh/id_rsa.pub")
 local_key = if File.exists?(local_file), do: [File.read!(local_file)], else: []
 
-config :logger, [
-  utc_log: true,
-  handle_otp_reports: true,
-  handle_sasl_reports: true,
-  backends: [RingLogger]
-]
-
 config :nerves_firmware_ssh,
   authorized_keys: local_key,
   ssh_console_port: 22

farmbot_os/config/target/prod.exs

@@ -6,7 +6,6 @@ config :farmbot_core, :behaviour,
   pin_binding_handler: Farmbot.Target.PinBinding.AleHandler,
   celery_script_io_layer: Farmbot.OS.IOLayer
 
-
 data_path = Path.join("/", "root")
 config :farmbot_ext,
   data_path: data_path

farmbot_os/platform/target/configurator/router.ex

@@ -23,6 +23,8 @@ defmodule Farmbot.Target.Bootstrap.Configurator.Router do
 
   @version Farmbot.Project.version()
   @data_path Application.get_env(:farmbot_ext, :data_path)
+  @log_db Application.get_env(:logger_backend_ecto, LoggerBackendEcto.Repo)[:database]
+  @log_db || Mix.raise("LoggerBackendEcto probably not configured properly.")
 
   get "/generate_204" do
     send_resp(conn, 204, "")
@@ -51,8 +53,7 @@ defmodule Farmbot.Target.Bootstrap.Configurator.Router do
   end
 
   get "/logs" do
-    file = Path.join(@data_path, "debug_logs.sqlite3")
-    case File.read(file) do
+    case File.read(@log_db) do
       {:ok, data} ->
         md5 = data |> :erlang.md5() |> Base.encode16()
         conn