include_role: Strictly check string datatype for *_from (ansible#68958)

Strictly check string datatype for 'tasks_from', 'vars_from',
'defaults_from', and 'handlers_from' in include_role

Fixes: ansible#68515

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

changelogs/fragments/68515_include_role_vars_from.yml

@@ -0,0 +1,2 @@
+bugfixes:
+- Strictly check string datatype for 'tasks_from', 'vars_from', 'defaults_from', and 'handlers_from' in include_role (https://github.com/ansible/ansible/issues/68515).

lib/ansible/playbook/role_include.py

@@ -27,6 +27,7 @@
 from ansible.playbook.role import Role
 from ansible.playbook.role.include import RoleInclude
 from ansible.utils.display import Display
+from ansible.module_utils.six import string_types
 
 __all__ = ['IncludeRole']
 
@@ -137,7 +138,10 @@ def load(data, block=None, role=None, task_include=None, variable_manager=None,
         # build options for role includes
         for key in my_arg_names.intersection(IncludeRole.FROM_ARGS):
             from_key = key.replace('_from', '')
-            ir._from_files[from_key] = basename(ir.args.get(key))
+            args_value = ir.args.get(key)
+            if not isinstance(args_value, string_types):
+                raise AnsibleParserError('Expected a string for %s but got %s instead' % (key, type(args_value)))
+            ir._from_files[from_key] = basename(args_value)
 
         apply_attrs = ir.args.get('apply', {})
         if apply_attrs and ir.action != 'include_role':

test/integration/targets/include_import/role/test_include_role.yml

@@ -153,13 +153,13 @@
       include_role:
         name: "{{ host_var_role_name }}"
 
-    - name: assert that host varible for role name calls 2 diff roles
+    - name: assert that host variable for role name calls 2 diff roles
       assert:
         that:
           - _role2_result is not none
       when: inventory_hostname == 'testhost2'
 
-    - name: assert that host varible for role name calls 2 diff roles
+    - name: assert that host variable for role name calls 2 diff roles
       assert:
         that:
           - _role3_result is not none

test/integration/targets/include_import/role/test_include_role_vars_from.yml

@@ -0,0 +1,10 @@
+- name: Test include_role vars_from
+  hosts: testhost
+  vars:
+    role_name: role1
+  tasks:
+    - name: Test vars_from
+      include_role:
+        name: role1
+        vars_from:
+        - vars_1.yml

test/integration/targets/include_import/runme.sh

@@ -42,6 +42,9 @@ ANSIBLE_STRATEGY='free' ansible-playbook tasks/test_include_tasks_tags.yml -i in
 ANSIBLE_STRATEGY='linear' ansible-playbook role/test_include_role.yml -i inventory "$@"
 ANSIBLE_STRATEGY='free' ansible-playbook role/test_include_role.yml -i inventory "$@"
 
+# https://github.com/ansible/ansible/issues/68515
+ansible-playbook -v role/test_include_role_vars_from.yml 2>&1 | tee test_include_role_vars_from.out
+test "$(grep -E -c 'Expected a string for vars_from but got' test_include_role_vars_from.out)" = 1
 
 ## Max Recursion Depth
 # https://github.com/ansible/ansible/issues/23609