python3 compatiblity

remove use of basestring
deal with configparser

lib/ansible/executor/playbook_executor.py

@@ -168,8 +168,9 @@ class PlaybookExecutor:
                 # send the stats callback for this playbook
                 if self._tqm is not None:
                     if C.RETRY_FILES_ENABLED:
-                        retries = list(set(self._tqm._failed_hosts.keys() + self._tqm._unreachable_hosts.keys()))
-                        retries.sort()
+                        retries = set(self._tqm._failed_hosts.keys())
+                        retries.update(self._tqm._unreachable_hosts.keys())
+                        retries = sorted(retries)
                         if len(retries) > 0:
                             if C.RETRY_FILES_SAVE_PATH:
                                 basedir = C.shell_expand(C.RETRY_FILES_SAVE_PATH)

lib/ansible/executor/task_executor.py

@@ -607,7 +607,8 @@ class TaskExecutor:
                 try:
                     cmd = subprocess.Popen(['ssh','-o','ControlPersist'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
                     (out, err) = cmd.communicate()
-                    if "Bad configuration option" in err or "Usage:" in err:
+                    err = to_unicode(err)
+                    if u"Bad configuration option" in err or u"Usage:" in err:
                         conn_type = "paramiko"
                 except OSError:
                     conn_type = "paramiko"
@@ -645,7 +646,9 @@ class TaskExecutor:
             try:
                 connection._connect()
             except AnsibleConnectionFailure:
+                display.debug('connection failed, fallback to accelerate')
                 res = handler._execute_module(module_name='accelerate', module_args=accelerate_args, task_vars=variables, delete_remote_tmp=False)
+                display.debug(res)
                 connection._connect()
 
         return connection

lib/ansible/executor/task_queue_manager.py

@@ -34,6 +34,7 @@ from ansible.template import Templar
 from ansible.vars.hostvars import HostVars
 from ansible.plugins.callback import CallbackBase
 from ansible.utils.unicode import to_unicode
+from ansible.compat.six import string_types
 
 try:
     from __main__ import display
@@ -143,7 +144,7 @@ class TaskQueueManager:
 
         if isinstance(self._stdout_callback, CallbackBase):
             stdout_callback_loaded = True
-        elif isinstance(self._stdout_callback, basestring):
+        elif isinstance(self._stdout_callback, string_types):
             if self._stdout_callback not in callback_loader:
                 raise AnsibleError("Invalid callback for stdout specified: %s" % self._stdout_callback)
             else:

lib/ansible/plugins/callback/logentries.py

@@ -60,8 +60,9 @@ import socket
 import random
 import time
 import codecs
-import ConfigParser
 import uuid
+from ansible.compat.six.moves import configparser
+
 try:
     import certifi
     HAS_CERTIFI = True
@@ -212,7 +213,7 @@ class CallbackModule(CallbackBase):
                                  'Disabling the Logentries callback plugin.')
 
         config_path = os.path.abspath(os.path.dirname(__file__))
-        config = ConfigParser.ConfigParser()
+        config = configparser.ConfigParser()
         try:
             config.readfp(open(os.path.join(config_path, 'logentries.ini')))
             if config.has_option('logentries', 'api'):

lib/ansible/plugins/connection/local.py

@@ -79,7 +79,7 @@ class Connection(ConnectionBase):
 
         p = subprocess.Popen(
             cmd,
-            shell=isinstance(cmd, basestring),
+            shell=isinstance(cmd, (text_type, binary_type)),
             executable=executable, #cwd=...
             stdin=subprocess.PIPE,
             stdout=subprocess.PIPE,