Added basic prometheus config

config/config.exs

@@ -100,18 +100,10 @@ config :logger, :default_formatter,
 config :phoenix, :json_library, Jason
 
 config :pinchflat, Pinchflat.PromEx,
-  disabled: false,
+  disabled: true,
   manual_metrics_start_delay: :no_delay,
   drop_metrics_groups: [],
-  metrics_server: :disabled,
-  grafana: [
-    host: System.get_env("GRAFANA_CLOUD_URL", "http://192.168.1.170:3033"),
-    username: System.get_env("GRAFANA_USERNAME", "admin"),
-    password: System.get_env("GRAFANA_PASSWORD", "admin"),
-    # This is an optional setting and will default to `true`
-    folder_name: "zero-to-graphql-using-elixir",
-    upload_dashboards_on_start: true
-  ]
+  metrics_server: :disabled
 
 # Import environment specific config. This must remain at the bottom
 # of this file so it overrides the configuration defined above.

config/dev.exs

@@ -81,3 +81,5 @@ config :phoenix_live_view, :debug_heex_annotations, true
 
 # Disable swoosh api client as it is only required for production adapters.
 config :swoosh, :api_client, false
+
+config :pinchflat, Pinchflat.PromEx, disabled: false

config/runtime.exs

@@ -72,6 +72,7 @@ if config_env() == :prod do
   # For running PF in a subdirectory via a reverse proxy
   base_route_path = System.get_env("BASE_ROUTE_PATH", "/")
   enable_ipv6 = String.length(System.get_env("ENABLE_IPV6", "")) > 0
+  enable_prometheus = String.length(System.get_env("ENABLE_PROMETHEUS", "")) > 0
 
   config :logger, level: String.to_existing_atom(System.get_env("LOG_LEVEL", "debug"))
 
@@ -95,6 +96,8 @@ if config_env() == :prod do
     database: db_path,
     journal_mode: journal_mode
 
+  config :pinchflat, Pinchflat.PromEx, disabled: !enable_prometheus
+
   # The secret key base is used to sign/encrypt cookies and other secrets.
   # A default value is used in config/dev.exs and config/test.exs but you
   # want to use a different value for prod and you most likely don't want

lib/pinchflat/prom_ex.ex

@@ -21,7 +21,7 @@ defmodule Pinchflat.PromEx do
      ```
      def start(_type, _args) do
        children = [
-         Pinchflat.PromEx,
+         Pinchflat.PromEx,P
 
          ...
        ]
@@ -71,7 +71,7 @@ defmodule Pinchflat.PromEx do
   @impl true
   def dashboard_assigns do
     [
-      datasource_id: "prometheus",
+      # datasource_id: "prometheus",
       default_selected_interval: "30s"
     ]
   end