Globals should be accessible when importing a template without the context (#75384)

Fixes #75371

changelogs/fragments/75371-import_template_globals.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - Jinja2 globals should be accessible even when importing a template without the context (https://github.com/ansible/ansible/issues/75371)

lib/ansible/template/template.py

@@ -33,11 +33,13 @@ class AnsibleJ2Template(jinja2.environment.Template):
     '''
 
     def new_context(self, vars=None, shared=False, locals=None):
-        if vars is not None:
-            if isinstance(vars, dict):
-                vars = vars.copy()
-                if locals is not None:
-                    vars.update(locals)
-            else:
-                vars = vars.add_locals(locals)
+        if vars is None:
+            vars = dict(self.globals or ())
+
+        if isinstance(vars, dict):
+            vars = vars.copy()
+            if locals is not None:
+                vars.update(locals)
+        else:
+            vars = vars.add_locals(locals)
         return self.environment.context_class(self.environment, vars, self.name, self.blocks)

test/integration/targets/template/tasks/main.yml

@@ -715,5 +715,16 @@
   assert:
     that: "\"'y' is undefined\" in error.msg"
 
+- template:
+    src: template_import_macro_globals.j2
+    dest: "{{ output_dir }}/template_import_macro_globals.templated"
+
+- command: "cat {{ output_dir }}/template_import_macro_globals.templated"
+  register: out
+
+- assert:
+    that:
+      - out.stdout == "bar=lookedup_bar"
+
 # aliases file requires root for template tests so this should be safe
 - import_tasks: backup_test.yml

test/integration/targets/template/templates/macro_using_globals.j2

@@ -0,0 +1,3 @@
+{% macro foo(bar) -%}
+{{ bar }}={{ lookup('lines', 'echo lookedup_bar') }}
+{%- endmacro %}

test/integration/targets/template/templates/template_import_macro_globals.j2

@@ -0,0 +1,2 @@
+{% from 'macro_using_globals.j2' import foo %}
+{{ foo('bar') }}