Fix name of a task containing a template causing traceback

Workaround for #10321 Need to fix better in v2

lib/ansible/playbook/__init__.py

@@ -476,13 +476,25 @@ class PlayBook(object):
         else:
             name = task.name
 
-        self.callbacks.on_task_start(template(play.basedir, name, task.module_vars, lookup_fatal=False, filter_fatal=False), is_handler)
+        try:
+            # v1 HACK: we don't have enough information to template many names
+            # at this point.  Rather than making this work for all cases in
+            # v1, just make this degrade gracefully.  Will fix in v2
+            name = template(play.basedir, name, task.module_vars, lookup_fatal=False, filter_fatal=False)
+        except:
+            pass
+
+        self.callbacks.on_task_start(name, is_handler)
         if hasattr(self.callbacks, 'skip_task') and self.callbacks.skip_task:
             ansible.callbacks.set_task(self.callbacks, None)
             ansible.callbacks.set_task(self.runner_callbacks, None)
             return True
 
         # template ignore_errors
+        # TODO: Is this needed here?  cond is templated again in
+        # check_conditional after some more manipulations.
+        # TODO: we don't have enough information here to template cond either
+        # (see note on templating name above)
         cond = template(play.basedir, task.ignore_errors, task.module_vars, expand_lists=False)
         task.ignore_errors =  utils.check_conditional(cond, play.basedir, task.module_vars, fail_on_undefined=C.DEFAULT_UNDEFINED_VAR_BEHAVIOR)
 

test/integration/Makefile

@@ -21,7 +21,7 @@ VAULT_PASSWORD_FILE = vault-password
 
 CONSUL_RUNNING := $(shell python consul_running.py)
 
-all: parsing test_var_precedence unicode non_destructive destructive includes check_mode test_hash test_handlers test_group_by test_vault test_tags
+all: parsing test_var_precedence unicode non_destructive destructive includes check_mode test_hash test_handlers test_group_by test_vault test_tags test_templating_settings
 
 parsing:
 	ansible-playbook bad_parsing.yml -i $(INVENTORY) -e @$(VARS_FILE) $(CREDENTIALS_ARG) -vvv $(TEST_FLAGS) --tags prepare,common,scenario1; [ $$? -eq 3 ]
@@ -39,8 +39,8 @@ unicode:
 	# Test the start-at-task flag #9571
 	ansible-playbook unicode.yml -i $(INVENTORY) -e @$(VARS_FILE) -v --start-at-task '*¶' -e 'start_at_task=True' $(TEST_FLAGS)
 
-mine:
+test_templating_settings:
-	ansible-playbook mine.yml -i $(INVENTORY) -e @$(VARS_FILE) $(CREDENTIALS_ARG) -v $(TEST_FLAGS)
+	ansible-playbook test_templating_settings.yml -i $(INVENTORY) -e @$(VARS_FILE) $(CREDENTIALS_ARG) -v $(TEST_FLAGS)
 
 non_destructive:
 	ansible-playbook non_destructive.yml -i $(INVENTORY) -e @$(VARS_FILE) $(CREDENTIALS_ARG) -v $(TEST_FLAGS)