refactor(tmachine): publish test variables through a shared task file

Signed-off-by: Matthew Grossman <mgrossman@nvidia.com>

Author: matthewgrossman

tests/tmachine/ansible/playbooks/keycloak.yaml

@@ -4,36 +4,22 @@
 # Run Keycloak in the environment and publish how tests reach it.
 #
 # Environment setup applies this once and caches the disk, so the container
-# restarts on every boot (see the keycloak role). Tests read the variables in
-# the env file below through openshell-test-runner, which passes every
-# /etc/openshell-test/env.d/*.env file to them. The keycloak features suite
-# (tests/suites/features/keycloak) reads them.
+# restarts on every boot (see the keycloak role). The keycloak features suite
+# (tests/suites/features/keycloak) reads the variables published below.
 ---
 - name: Keycloak for tests
   hosts: all
   gather_facts: false
   roles:
     - keycloak
   tasks:
-    - name: Create the test environment directory
-      become: true
-      ansible.builtin.file:
-        path: /etc/openshell-test/env.d
-        state: directory
-        owner: root
-        group: root
-        mode: "0755"
-
     # The values are the throwaway fixture realm's (scripts/keycloak-realm.json).
     - name: Publish Keycloak test variables
-      become: true
-      ansible.builtin.copy:
-        dest: /etc/openshell-test/env.d/keycloak.env
-        owner: tmachine
-        group: tmachine
-        mode: "0600"
-        content: |
-          OPENSHELL_TEST_KEYCLOAK_ISSUER=http://127.0.0.1:{{ keycloak_port }}/realms/{{ keycloak_realm }}
-          OPENSHELL_TEST_KEYCLOAK_CLIENT_ID=openshell-cli
-          OPENSHELL_TEST_KEYCLOAK_USERNAME=admin@test
-          OPENSHELL_TEST_KEYCLOAK_PASSWORD=admin
+      ansible.builtin.include_tasks: test-env.yaml
+      vars:
+        test_env_name: keycloak
+        test_env_vars:
+          OPENSHELL_TEST_KEYCLOAK_ISSUER: "http://127.0.0.1:{{ keycloak_port }}/realms/{{ keycloak_realm }}"
+          OPENSHELL_TEST_KEYCLOAK_CLIENT_ID: openshell-cli
+          OPENSHELL_TEST_KEYCLOAK_USERNAME: admin@test
+          OPENSHELL_TEST_KEYCLOAK_PASSWORD: admin

tests/tmachine/ansible/playbooks/test-env.yaml

@@ -0,0 +1,26 @@
+# SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+# Publish how tests reach a service the environment runs. Include it with
+# `test_env_name` (the file name) and `test_env_vars` (OPENSHELL_TEST_* names
+# to values). openshell-test-runner passes every
+# /etc/openshell-test/env.d/*.env file to the tests, and the suite's fixture
+# reads the variables.
+---
+- name: Create the test environment directory
+  become: true
+  ansible.builtin.file:
+    path: /etc/openshell-test/env.d
+    state: directory
+    owner: root
+    group: root
+    mode: "0755"
+
+- name: Publish {{ test_env_name }} test variables
+  become: true
+  ansible.builtin.copy:
+    dest: /etc/openshell-test/env.d/{{ test_env_name }}.env
+    owner: tmachine
+    group: tmachine
+    mode: "0600"
+    content: "{% for key, value in test_env_vars.items() %}{{ key }}={{ value }}\n{% endfor %}"