graphite: copy storage-schemas from puppet-graphite

This is the storage-schemas configuration file currently deployed by
puppet-graphite.  Apply it to the container so we maintain the same
retention, etc.

Change-Id: Ia733bf4a958a559ce3921094bb3f0875365157ce

playbooks/roles/graphite/tasks/main.yaml

@@ -8,6 +8,11 @@
     src: docker-compose.yaml.j2
     dest: /etc/graphite-docker/docker-compose.yaml
 
+- name: Write storage config file
+  template:
+    src: storage-schemas.conf.j2
+    dest: /etc/graphite-docker/storage-schemas.conf
+
 - name: Write nginx override config
   template:
     src: graphite-statsd.conf.j2

playbooks/roles/graphite/templates/docker-compose.yaml.j2

@@ -10,6 +10,7 @@ services:
     volumes:
       - /etc/graphite-docker/graphite-statsd.conf:/etc/nginx/sites-enabled/graphite-statsd.conf
       - /etc/graphite-docker/statsd.js:/opt/statsd/config/udp.js
+      - /etc/graphite-docker/storage-schemas.conf:/opt/graphite/conf/storage-schemas.conf
       - /etc/letsencrypt-certs:/etc/letsencrypt-certs
       - /opt/graphite/storage:/opt/graphite/storage
       - /var/log/graphite:/var/log/

playbooks/roles/graphite/templates/storage-schemas.conf.j2

@@ -0,0 +1,18 @@
+# Schema definitions for Whisper files. Entries are scanned in order,
+# and first match wins. This file is scanned for changes every 60 seconds.
+#
+#  [name]
+#  pattern = regex
+#  retentions = timePerPoint:timeToStore, timePerPoint:timeToStore, ...
+
+["stats.timers"]
+pattern = ^stats.timers.*
+retentions = 10s:8h,60s:7d,1h:90d,1d:1y
+
+["stats"]
+pattern = ^stats.*
+retentions = 10s:8h,60s:7d,1h:1y,1d:5y
+
+["default"]
+pattern = .*
+retentions = 60:90d