Add Prometheus Zookeeper exporter

roles/pvc/tasks/zookeeper/main.yml

@@ -21,6 +21,26 @@
     - zoo.cfg
   notify: restart zookeeper
 
+- name: install Prometheus zookeeper exporter if enabled
+  apt:
+    name:
+      - prometheus-zookeeper-exporter
+  register: apt_res
+  retries: 5
+  until: apt_res is success
+  when: enable_prometheus_exporters is defined and enable_prometheus_exporters
+
+- name: install Prometheus zookeeper exporter config if enabled
+  template:
+    src: patroni/prometheus.env.j2
+    dest: /etc/default/prometheus-zookeeper-exporter
+    owner: prometheus
+    group: prometheus
+    mode: 0640
+  notify:
+    - restart prometheus-zookeeper
+  when: enable_prometheus_exporters is defined and enable_prometheus_exporters
+
 - name: install daily vacuum script
   template:
     src: zookeeper/zookeeper-vacuum.j2