fix dialyzer and credo

lib/towerops_web/controllers/api/agent_controller.ex

@@ -54,9 +54,10 @@ defmodule ToweropsWeb.Api.AgentController do
           Map.get(params, "metrics", [])
       end
 
-    Task.start(fn ->
-      process_metrics(agent_token, metrics)
-    end)
+    _ =
+      Task.start(fn ->
+        process_metrics(agent_token, metrics)
+      end)
 
     json(conn, %{status: "accepted", received: length(metrics)})
   end

lib/towerops_web/plugs/agent_auth.ex

@@ -46,14 +46,16 @@ defmodule ToweropsWeb.Plugs.AgentAuth do
 
     parent = self()
 
-    Task.start(fn ->
-      # Allow this task to use the test database sandbox
-      if Application.get_env(:towerops, :sql_sandbox) do
-        Sandbox.allow(Towerops.Repo, parent, self())
-      end
+    _ =
+      Task.start(fn ->
+        # Allow this task to use the test database sandbox
+        _ =
+          if Application.get_env(:towerops, :sql_sandbox) do
+            Sandbox.allow(Towerops.Repo, parent, self())
+          end
 
-      Agents.update_agent_token_heartbeat(agent_token.id, ip)
-    end)
+        _ = Agents.update_agent_token_heartbeat(agent_token.id, ip)
+      end)
 
     conn
   end

test/towerops/snmp/profiles/mikrotik_test.exs

@@ -198,15 +198,15 @@ defmodule Towerops.Snmp.Profiles.MikrotikTest do
 
       # Should have temperature sensors
       temp_sensors = Enum.filter(sensors, &String.contains?(&1.sensor_type, "temperature"))
-      assert length(temp_sensors) > 0
+      assert temp_sensors != []
 
       # Should have voltage sensors
       voltage_sensors = Enum.filter(sensors, &String.contains?(&1.sensor_type, "voltage"))
-      assert length(voltage_sensors) > 0
+      assert voltage_sensors != []
 
       # Should have fan sensors
       fan_sensors = Enum.filter(sensors, &(&1.sensor_type == "fan1"))
-      assert length(fan_sensors) > 0
+      assert fan_sensors != []
 
       # Check one sensor in detail
       cpu_temp = Enum.find(sensors, &(&1.sensor_type == "cpu_temperature"))