added ansible_remote_tmp inventory var (#26754)

* added ansible_remote_tmp inventory var

* fixed horrible crime of no space after #

lib/ansible/plugins/action/__init__.py

@@ -241,11 +241,7 @@ class ActionBase(with_metaclass(ABCMeta, object)):
             use_system_tmp = True
 
         tmp_mode = 0o700
-
-        if use_system_tmp:
-            tmpdir = None
-        else:
-            tmpdir = self._remote_expand_user(C.DEFAULT_REMOTE_TMP, sudoable=False)
+        tmpdir = self._remote_expand_user(self._play_context.remote_tmp_dir, sudoable=False)
 
         cmd = self._connection._shell.mkdtemp(basefile, use_system_tmp, tmp_mode, tmpdir)
         result = self._low_level_execute_command(cmd, sudoable=False)

lib/ansible/plugins/shell/__init__.py

@@ -110,14 +110,16 @@ class ShellBase(object):
         # /var/tmp is not).
 
         if system:
-            if C.DEFAULT_REMOTE_TMP.startswith('/var/tmp'):
+            # FIXME: create 'system tmp dirs' config/var and check tmpdir is in those values to allow for /opt/tmp, etc
+            if tmpdir.startswith('/var/tmp'):
                 basetmpdir = '/var/tmp'
             else:
                 basetmpdir = '/tmp'
-        elif tmpdir is None:
-            basetmpdir = C.DEFAULT_REMOTE_TMP
         else:
-            basetmpdir = tmpdir
+            if tmpdir is None:
+                basetmpdir = C.DEFAULT_REMOTE_TMP
+            else:
+                basetmpdir = tmpdir
 
         basetmp = self.join_path(basetmpdir, basefile)