install exporter based on role

Author: tundeaoni

defaults/main.yml

@@ -19,7 +19,6 @@ kafka_process_roles:
 
 kafka_listener_address: "{{ ansible_default_ipv4.address }}"
 
-use_kafka_exporter: true
 kafka_exporter_version: "1.6.0"
 kafka_exporter_archive: "kafka_exporter-{{ kafka_exporter_version }}.linux-amd64"
 kafka_exporter_checksum: "sha512:18a52a92f8c1ef06175f2cb7e12b81aed75b4a87884fb3c3120c6671e2b25e3a3b52dda02eb952ba22f892598c8a47c474b625d481701d83382650c8b4616550"

tasks/main.yml

@@ -154,4 +154,5 @@
 
 - name: Install, configure, and start kafka-exporter
   ansible.builtin.import_tasks: exporter.yml
-  when: use_kafka_exporter
+  when:
+    - "'broker' in kafka_process_roles"