use flatten variables (#25)

defaults/main.yml

@@ -5,9 +5,11 @@ jenkins_version: "2.452.4"
 jenkins_process_user: jenkins
 jenkins_process_group: "{{ jenkins_process_user }}"
 
-jenkins_systemd_unit_envs:
-  java_opts: "-Djenkins.install.runSetupWizard=false"
-  jenkins_listen_address: 127.0.0.1
+# Jenkins systemd unit override.conf
+jenkins_java_home: ""
+jenkins_java_opts: "-Djenkins.install.runSetupWizard=false"
+jenkins_listen_address: 127.0.0.1
+jenkins_secrets_file: ""
 
 jenkins_home: /var/lib/jenkins
 

molecule/default/verify.yml

@@ -0,0 +1,28 @@
+---
+- name: Verify Jenkins systemd unit environment variables
+  hosts: all
+  tasks:
+    - name: Read override.conf content
+      ansible.builtin.slurp:
+        src: /etc/systemd/system/jenkins.service.d/override.conf
+      register: override_conf_content
+
+    - name: Decode override.conf content
+      ansible.builtin.set_fact:
+        override_conf_decoded: "{{ override_conf_content.content | b64decode }}"
+
+    - name: Print decoded override.conf content
+      ansible.builtin.debug:
+        var: override_conf_decoded
+
+    - name: Assert JAVA_OPTS is present
+      ansible.builtin.assert:
+        that:
+          - "'JAVA_OPTS=-Djenkins.install.runSetupWizard=false' in override_conf_decoded"
+        fail_msg: "JAVA_OPTS is not set correctly in override.conf."
+
+    - name: Assert JENKINS_LISTEN_ADDRESS is present
+      ansible.builtin.assert:
+        that:
+          - "'JENKINS_LISTEN_ADDRESS=127.0.0.1' in override_conf_decoded"
+        fail_msg: "JENKINS_LISTEN_ADDRESS is not set correctly in override.conf."

templates/override.conf.j2

@@ -1,4 +1,13 @@
 [Service]
-{% for key, value in jenkins_systemd_unit_envs.items() %}
-Environment="{{ key | upper }}={{ value }}"
-{% endfor %}
+{% if jenkins_java_home is defined %}
+Environment="JAVA_HOME={{ jenkins_java_home }}"
+{% endif %}
+{% if jenkins_java_opts is defined %}
+Environment="JAVA_OPTS={{ jenkins_java_opts }}"
+{% endif %}
+{% if jenkins_listen_address is defined %}
+Environment="JENKINS_LISTEN_ADDRESS={{ jenkins_listen_address }}"
+{% endif %}
+{% if jenkins_secrets_file is defined %}
+Environment="SECRETS_FILE={{ jenkins_secrets_file }}"
+{% endif %}