Move print statements out of playbook.py and back into CLI so we can simplify playbook operations

independent of output, and can also see all the output nicely grouped together if we want
to reformat it or make summaries of statistics.

bin/ansible-playbook

@@ -21,11 +21,39 @@
 import sys
 import ansible.playbook
 import ansible.constants as C
+from ansible.utils import *
 import getpass
 from optparse import OptionParser
 
 #######################################################
 
+class PlaybookCallbacks(object):
+  
+    def __init__(self):
+        pass
+
+    def set_playbook(self, playbook):
+        self.playbook = playbook
+
+    def on_start(self):
+        print "\n"
+
+    def on_task_start(self, name, is_conditional):
+        print task_start_msg(name, is_conditional)
+
+    def on_unreachable(self, host, msg):
+        print "unreachable: [%s] => %s" % (host, msg)
+
+    def on_failed(self, host, results):
+        print "failed: [%s] => %s\n" % (host, smjson(results))
+ 
+    def on_ok(self, host):
+        print "ok: [%s]\n" % (host)
+
+    def on_play_start(self, pattern):
+        print "PLAY [%s] ****************************\n" % pattern
+
+
 def main(args):
     ''' run ansible-playbook operations '''
 
@@ -60,6 +88,7 @@ def main(args):
             forks=options.forks,
             verbose=True,
             remote_pass=sshpass,
+            callbacks=PlaybookCallbacks()
         )
         pb.run()