Enable query auto downsampling

Signed-off-by: Simon Rüegg <simon@rueggs.ch>

CHANGELOG.md

@@ -30,6 +30,7 @@ We use *breaking* word for marking changes that are not backward compatible (rel
 - [#194](https://github.com/thanos-io/kube-thanos/pull/194) Allow configuring --label and --receive.tenant-label-name flags.
 - [#209](https://github.com/thanos-io/kube-thanos/pull/209) Allow configuring --label and --refresh flags of bucket web.
 - [#213](https://github.com/thanos-io/kube-thanos/pull/213) Allow configuring `--min-time` and `--max-time` of store.
+- [#218](https://github.com/thanos-io/kube-thanos/pull/218) Enable `--query.auto-downsampling` for query by default.
 
 ### Fixed
 

all.jsonnet

@@ -111,6 +111,7 @@ local q = t.query(commonConfig {
   externalPrefix: '',
   resources: {},
   queryTimeout: '5m',
+  autoDownsampling: true,
   lookbackDelta: '15m',
   ports: {
     grpc: 10901,

examples/all/manifests/thanos-query-deployment.yaml

@@ -63,6 +63,7 @@ spec:
             "sampler_type": "ratelimiting"
             "service_name": "thanos-query"
           "type": "JAEGER"
+        - --query.auto-downsampling
         image: quay.io/thanos/thanos:v0.17.2
         livenessProbe:
           failureThreshold: 4

jsonnet/kube-thanos/kube-thanos-query.libsonnet

@@ -11,6 +11,7 @@ local defaults = {
   replicaLabels: error 'must provide replicaLabels',
   stores: ['dnssrv+_grpc._tcp.thanos-store.%s.svc.cluster.local' % defaults.namespace],
   externalPrefix: '',
+  autoDownsampling: true,
   resources: {},
   queryTimeout: '',
   lookbackDelta: '',
@@ -54,6 +55,7 @@ function(params) {
   assert std.isString(tq.config.externalPrefix),
   assert std.isString(tq.config.queryTimeout),
   assert std.isBoolean(tq.config.serviceMonitor),
+  assert std.isBoolean(tq.config.autoDownsampling),
 
   service: {
     apiVersion: 'v1',
@@ -127,6 +129,10 @@ function(params) {
               { config+: { service_name: defaults.name } } + tq.config.tracing
             ),
           ] else []
+        ) + (
+          if tq.config.autoDownsampling then [
+            '--query.auto-downsampling',
+          ] else []
         ),
       ports: [
         { name: port.name, containerPort: port.port }

manifests/thanos-query-deployment.yaml

@@ -47,6 +47,7 @@ spec:
         - --query.replica-label=prometheus_replica
         - --query.replica-label=rule_replica
         - --store=dnssrv+_grpc._tcp.thanos-store.thanos.svc.cluster.local
+        - --query.auto-downsampling
         image: quay.io/thanos/thanos:v0.17.2
         livenessProbe:
           failureThreshold: 4