lib/percheron/actions/shell.rb in percheron-0.7.4 vs lib/percheron/actions/shell.rb in percheron-0.7.5

@@ -1,32 +1,37 @@
 module Percheron
   module Actions
     class Shell
       include Base
 
-      DEFAULT_SHELL = '/bin/sh'
+      DEFAULT_COMMAND = '/bin/sh'
       DOCKER_CLIENT = 'docker'
 
-      def initialize(container, shell: DEFAULT_SHELL)
+      def initialize(container, command: DEFAULT_COMMAND)
         @container = container
-        @shell = shell
+        @command = command
       end
 
       def execute!
-        $logger.debug "Executing #{shell} on '#{container.name}' container"
         exec! if valid?
       end
 
       private
 
-        attr_reader :container, :shell
+        attr_reader :container
 
         def valid?
           Validators::DockerClient.new.valid?
         end
 
+        def command
+          "sh -c '%s'" % @command
+        end
+
         def exec!
-          system('%s exec -ti %s %s' % [ DOCKER_CLIENT, container.full_name, shell ])
+          cmd = '%s exec -ti %s %s' % [ DOCKER_CLIENT, container.full_name, command ]
+          $logger.debug "Executing '#{cmd}' on '#{container.name}' container"
+          system(cmd)
         end
     end
   end
 end