Merge branch '287-limit-prometheus-data-retention-size' into 'master'

Resolve "Limit prometheus data retention size"

Closes #287

See merge request openappstack/openappstack!278

ansible/roles/apps/templates/settings/prometheus.yaml

@@ -2,9 +2,14 @@ alertmanager:
   persistentVolume:
     existingClaim: "alertmanager"
 server:
+  global:
+    scrape_interval: "3m"
+    evaluation_interval: "3m"
   persistentVolume:
     existingClaim: "prometheus-server"
- 
+  retention: "10d"
+
+
 serverFiles:
   alerting_rules.yml:
     groups:
@@ -62,4 +67,3 @@ serverFiles:
         for: 15m
         labels:
           severity: warning
-