import_role - allow subdirectories with _from options (#82642)

* Allow subdirectories with import_role _from options

Add tests that tasks_from is restricted to the role

Note that a task like:

- import_role:
    name: role
    tasks_from: tasks/entrypoint.yml

will now load tasks from "{{ role_path }}/tasks/tasks/entrypoint.yml"
instead of "{{ role_path }}/tasks/entrypoint.yml". This change in
behavior matches include_role.

* better test case (filename doesn't match one in tasks/)

Fixes #82584

changelogs/fragments/fix-import_role-_from-options.yml

@@ -0,0 +1,2 @@
+minor_changes:
+  - import_role - allow subdirectories with ``_from`` options for parity with ``include_role`` (https://github.com/ansible/ansible/issues/82584).

lib/ansible/playbook/role_include.py

@@ -16,8 +16,6 @@
 
 from __future__ import annotations
 
-from os.path import basename
-
 import ansible.constants as C
 from ansible.errors import AnsibleParserError
 from ansible.playbook.attribute import NonInheritableFieldAttribute
@@ -141,7 +139,7 @@ class IncludeRole(TaskInclude):
             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)
+            ir._from_files[from_key] = args_value
 
         # apply is only valid for includes, not imports as they inherit directly
         apply_attrs = ir.args.get('apply', {})

test/integration/targets/roles/no_outside_import.yml

@@ -0,0 +1,6 @@
+- hosts: testhost
+  gather_facts: false
+  tasks:
+  - import_role:
+      name: a
+      tasks_from: subdir/../../../../no_outside.yml

test/integration/targets/roles/roles/a/tasks/subdir/entrypoint.yml

@@ -0,0 +1 @@
+- debug: msg=subdir

test/integration/targets/roles/runme.sh

@@ -26,13 +26,19 @@ ansible-playbook role_complete.yml -i ../../inventory -i fake, --tags unreachabl
 ansible-playbook data_integrity.yml -i ../../inventory "$@"
 
 # ensure role fails when trying to load 'non role' in  _from
-ansible-playbook no_outside.yml -i ../../inventory > role_outside_output.log 2>&1 || true
-if grep "as it is not inside the expected role path" role_outside_output.log >/dev/null; then
-  echo "Test passed (playbook failed with expected output, output not shown)."
-else
-  echo "Test failed, expected output from playbook failure is missing, output not shown)."
+test_no_outside=("no_outside.yml" "no_outside_import.yml")
+for file in "${test_no_outside[@]}"; do
+  ansible-playbook "$file" -i ../../inventory > "${file}_output.log" 2>&1 || true
+  if grep "as it is not inside the expected role path" "${file}_output.log" >/dev/null; then
+    echo "Test passed for $file (playbook failed with expected output, output not shown)."
+  else
+    echo "Test failed for $file, expected output from playbook failure is missing, output not shown)."
     exit 1
-fi
+  fi
+done
+
+# ensure subdir contained to role in tasks_from is valid
+ansible-playbook test_subdirs.yml -i ../../inventory "$@"
 
 # ensure vars scope is correct
 ansible-playbook vars_scope.yml -i ../../inventory "$@"

test/integration/targets/roles/test_subdirs.yml

@@ -0,0 +1,10 @@
+---
+- hosts: testhost
+  gather_facts: false
+  tasks:
+    - import_role:
+        name: a
+        tasks_from: subdir/entrypoint.yml
+    - include_role:
+        name: a
+        tasks_from: subdir/entrypoint.yml