add exporter for opensearch

README.md

@@ -15,6 +15,7 @@ The present role :
     - mysql
     - postgres
     - mongodb
+    - opensearch (via plugin for opensearch https://github.com/aiven/prometheus-exporter-plugin-for-opensearch)
 
 Please note that Docker and Haproxy their own embedded exporters.
   - https://docs.docker.com/config/daemon/prometheus/

tasks/server/grafana-provisioning.yml

@@ -85,6 +85,16 @@
   when: prometheus_cadvisor_exporter_targets is defined
   notify: "grafana-prometheus-restart"
 
+- name: "grafana-prometheus | import grafana opensearch dashboard"
+  copy:
+    src: dashboards/opensearch.json
+    dest: /opt/docker-compose/grafana-prometheus/dashboards/opensearch.json
+    owner: '1000'
+    group: '1000'
+    mode: '0750'
+  when: prometheus_opensearch_exporter_targets is defined
+  notify: "grafana-prometheus-restart"
+
 - name: "grafana-prometheus | import grafana haproxy dashboard"
   copy:
     src: dashboards/haproxy.json

templates/conf/prometheus.yml.j2

@@ -404,3 +404,19 @@ scrape_configs:
         regex: '(.*):9221'
         replacement: '${1}'
 {% endif %}
+{% if prometheus_opensearch_exporter_targets is defined %}
+  # opensearch #
+  - job_name: opensearch
+    scrape_interval: 30s
+    metrics_path: "/_prometheus/metrics"
+    static_configs:
+      - targets:
+{% for target in prometheus_opensearch_exporter_targets %}
+        - {{ target }}:9200
+{% endfor %}
+    relabel_configs:
+      - source_labels: [ __address__ ]
+        target_label: instance
+        regex: '(.*):9200'
+        replacement: '${1}'
+{% endif %}