General rewrite to support scales different than 1

src/commands/status.cr

@@ -3,16 +3,18 @@ module Faaso
     struct Status
       def local(options, name)
         funko = Funko::Funko.from_names([name])[0]
-        Log.info { "Name: #{funko.name}" }
+        status = funko.docker_status
-        Log.info { "Scale: #{funko.scale}" }
+
-        containers = funko.containers
+        Log.info { "Name: #{status["name"]}" }
-        Log.info { "Containers: #{funko.containers.size}" }
+        Log.info { "Scale: #{status["scale"]}" }
-        containers.each do |container|
+
+        Log.info { "Containers: #{status["containers"].size}" }
+        status["containers"].each do |container|
           Log.info { "  #{container.@names[0]} #{container.status}" }
         end
-        images = funko.images
+
-        Log.info { "Images: #{images.size}" }
+        Log.info { "Images: #{status["images"].size}" }
-        images.each do |image|
+        status["images"].each do |image|
           Log.info { "  #{image.repo_tags} #{image.created}" }
         end
       end

src/funko.cr

@@ -145,6 +145,7 @@ module Funko
     end
 
     # Return a list of image IDs for this funko, most recent first
+    # FIXME: use self.images and add filters
     def image_history
       docker_api = Docr::API.new(Docr::Client.new)
       begin
@@ -165,6 +166,16 @@ module Funko
       }
     end
 
+    # A comprehensive status for the funko:
+    def docker_status
+      {
+        "name"       => name,
+        "containers" => containers,
+        "images"     => images,
+        "scale"      => scale,
+      }
+    end
+
     # Descriptive status for the funko
     def status
       status = self.containers.map { |container|