Add overrides to compactor

Signed-off-by: Goutham Veeramachaneni <[email protected]>

Author: gouthamve

CHANGELOG.md

@@ -25,6 +25,7 @@
 * [CHANGE] Decreased `-server.grpc-max-concurrent-streams` from 100k to 10k. #369
 * [CHANGE] Decreased blocks storage ingesters graceful termination period from 80m to 20m. #369
 * [CHANGE] Changed default `job_names` for query-frontend, query-scheduler and querier to match custom deployments too. #376
+* [ENHANCEMENT] Add overrides config to compactor. This allows setting retention configs per user. #386
 * [ENHANCEMENT] cortex-mixin: Make `cluster_namespace_deployment:kube_pod_container_resource_requests_{cpu_cores,memory_bytes}:sum` backwards compatible with `kube-state-metrics` v2.0.0. #317
 * [ENHANCEMENT] Cortex-mixin: Include `cortex-gw-internal` naming variation in default `gateway` job names. #328
 * [ENHANCEMENT] Ruler dashboard: added object storage metrics. #354

cortex/config.libsonnet

@@ -332,6 +332,9 @@
         // 300 rules
         ruler_max_rules_per_rule_group: 15,
         ruler_max_rule_groups_per_tenant: 20,
+
+        // No retention for now.
+        compactor_blocks_retention_period: 0,
       },
 
       medium_small_user:: {

cortex/tsdb.libsonnet

@@ -159,6 +159,10 @@
       'compactor.ring.store': 'consul',
       'compactor.ring.consul.hostname': 'consul.%s.svc.cluster.local:8500' % $._config.namespace,
       'compactor.ring.prefix': '',
+
+      // Limits config.
+      'runtime-config.file': '/etc/cortex/overrides.yaml',
+      'compactor.blocks-retention-period': $._config.limits.compactor_blocks_retention_period,
     },
 
   compactor_ports:: $.util.defaultPorts,
@@ -187,7 +191,8 @@
     // one by one. This does NOT affect rolling updates: they will continue to be
     // rolled out one by one (the next pod will be rolled out once the previous is
     // ready).
-    statefulSet.mixin.spec.withPodManagementPolicy('Parallel'),
+    statefulSet.mixin.spec.withPodManagementPolicy('Parallel') +
+    $.util.configVolumeMount($._config.overrides_configmap, '/etc/cortex'),
 
   compactor_statefulset:
     $.newCompactorStatefulSet('compactor', $.compactor_container),