Switch to a Commander base to allow lazy loading config

lib/mrsk/commander.rb

@@ -0,0 +1,45 @@
+require "mrsk/configuration"
+require "mrsk/commands/app"
+require "mrsk/commands/prune"
+require "mrsk/commands/traefik"
+require "mrsk/commands/registry"
+
+class Mrsk::Commander
+  attr_reader :config_file, :config, :verbose
+
+  def initialize(config_file:, verbose: false)
+    @config_file, @verbose = config_file, verbose
+  end
+
+  def config
+    @config ||= Mrsk::Configuration.load_file(config_file).tap { |config| setup_with(config) }
+  end
+
+  def app
+    @app ||= Mrsk::Commands::App.new(config)
+  end
+
+  def traefik
+    @traefik ||= Mrsk::Commands::Traefik.new(config)
+  end
+
+  def registry
+    @registry ||= Mrsk::Commands::Registry.new(config)
+  end
+
+  def verbosity(level) 
+    old_level = SSHKit.config.output_verbosity
+    SSHKit.config.output_verbosity = level
+    yield
+  ensure
+    SSHKit.config.output_verbosity = old_level
+  end
+
+  private
+    # Lazy setup of SSHKit
+    def setup_with(config)
+      SSHKit::Backend::Netssh.configure { |ssh| ssh.ssh_options = config.ssh_options }
+      SSHKit.config.command_map[:docker] = "docker" # No need to use /usr/bin/env, just clogs up the logs
+      SSHKit.config.output_verbosity = :debug if verbose
+    end
+end