Add powershell wrap and selective newline replacement.

lib/ansible/plugins/connection/aws_ssm.py

@@ -165,6 +165,7 @@
 from ansible.module_utils.six.moves import xrange
 from ansible.module_utils._text import to_bytes, to_native, to_text
 from ansible.plugins.connection import ConnectionBase
+from ansible.plugins.shell.powershell import _common_args
 from ansible.utils.display import Display
 
 display = Display()
@@ -391,7 +392,9 @@ def _wrap_command(self, cmd, sudoable, mark_start, mark_end):
         ''' wrap command so stdout and status can be extracted '''
 
         if self.is_windows:
-            cmd = cmd + "; echo " + mark_start + " $? $LASTEXITCODE\necho " + mark_end + "\n"
+            if not cmd.startswith(" ".join(_common_args) + " -EncodedCommand"):
+                cmd = self._shell._encode_script(cmd, preserve_rc=True)
+            cmd = cmd + "; echo " + mark_start + " $LASTEXITCODE\necho " + mark_end + "\n"
         else:
             if sudoable:
                 cmd = "sudo " + cmd
@@ -408,16 +411,11 @@ def _post_process(self, stdout):
             if stdout.splitlines()[-1].isdigit():
                 returncode = int(stdout.splitlines()[-1])
                 stdout = stdout[:stdout.rfind('\n') + 1]
-                stdout = stdout.replace('\r\n', '').replace('\n', '')
-
-            success = stdout.rfind('True')
-            fail = stdout.rfind('False')
-
-            if success > fail:
-                returncode = 0
-                stdout = stdout[:success]
-            elif fail > success:
-                stdout = stdout[:fail]
+                stdout = stdout.replace('\r\n', '')
+                if stdout.endswith('\n0'):
+                    stdout = stdout[:-2]
+                if stdout.startswith('{'):
+                    stdout = stdout.replace('\n', '')
             else:
                 returncode = -51