Merge pull request #4631 from sgibson91/prometheus-retention-3-year

Update prometheus retention period to 3 years

config/clusters/2i2c/support.values.yaml

@@ -7,17 +7,6 @@ prometheusStorageClass:
 
 prometheus:
   server:
-    defaultFlagsOverride:
-      - -c
-      - "rm -rvf /data/wal/* && \
-        exec /bin/prometheus \
-        --storage.tsdb.retention.time=732d \
-        --config.file=/etc/config/prometheus.yml \
-        --storage.tsdb.path=/data \
-        --web.console.libraries=/etc/prometheus/console_libraries \
-        --web.console.templates=/etc/prometheus/consoles \
-        --web.enable-lifecycle"
-    retention: 732d # Keep data for at least 2 year
     persistentVolume:
       # 100Gi filled up, and this is source of our billing data.
       size: 512Gi

helm-charts/support/values.yaml

@@ -169,7 +169,7 @@ prometheus:
       # those as well as appropriate
       - "rm -rvf /data/wal/* && \
         exec /bin/prometheus \
-        --storage.tsdb.retention.time=366d \
+        --storage.tsdb.retention.time=1098d \
         --config.file=/etc/config/prometheus.yml \
         --storage.tsdb.path=/data \
         --web.console.libraries=/etc/prometheus/console_libraries \
@@ -179,7 +179,7 @@ prometheus:
     extraFlags:
       - web.enable-lifecycle
     # retention MUST BE UPDATED in prometheus.server.defaultFlagsOverride as well
-    retention: 366d # Keep data for at least 1 year
+    retention: 1098d # Keep data for at least 3 years
 
     ingress:
       ingressClassName: nginx