Support paused containers

src/faaso.cr

@@ -71,6 +71,16 @@ module Faaso
             return 0
           end
 
+          # If it is paused, unpause it
+          paused = containers.select { |c|
+            c.@image == tag && c.@state == "paused"
+          }
+          if (paused.size > 0)
+            puts "Resuming existing paused container"
+            docker_api.containers.unpause(paused[0].@id)
+            return 0
+          end
+
           # If it is exited, start it
           existing = containers.select { |c|
             c.@image == tag && c.@state == "exited"
@@ -80,7 +90,11 @@ module Faaso
           if (existing.size > 0)
             puts "Restarting existing exited container"
             docker_api.containers.start(existing[0].@id)
-          else
+            return 0
+          end
+
+          # Creating from scratch
+          puts "Creating new container"
           conf = Docr::Types::CreateContainerConfig.new(
             image: tag,
             hostname: "foo",
@@ -95,7 +109,6 @@ module Faaso
         # TODO: Return function URL for testing
       end
     end
-    end
 
     class Down
       @arguments : Array(String) = [] of String