[tempo-distributed] Define default affinity for compactor

Signed-off-by: Francisco Robles Martín <[email protected]>

charts/tempo-distributed/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: tempo-distributed
 description: Grafana Tempo in MicroService mode
 type: application
-version: 1.22.1
+version: 1.23.0
 appVersion: 2.6.0
 engine: gotpl
 home: https://grafana.com/docs/tempo/latest/

charts/tempo-distributed/README.md

@@ -1,6 +1,6 @@
 # tempo-distributed
 
-![Version: 1.22.1](https://img.shields.io/badge/Version-1.22.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.6.0](https://img.shields.io/badge/AppVersion-2.6.0-informational?style=flat-square)
+![Version: 1.23.0](https://img.shields.io/badge/Version-1.23.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.6.0](https://img.shields.io/badge/AppVersion-2.6.0-informational?style=flat-square)
 
 Grafana Tempo in MicroService mode
 
@@ -46,6 +46,10 @@ The command removes all the Kubernetes components associated with the chart and
 
 A major chart version change indicates that there is an incompatible breaking change needing manual actions.
 
+### From Chart versions < 1.23.0
+
+A default affinity has been defined in this version for the compactor following the standard used in other components.
+
 ### From Chart versions < 1.21.0
 
 Upgrading to chart 1.21.0 will set the memberlist cluster_label config option. During rollout your cluster will temporarilly be split into two memberlist clusters until all components are rolled out.
@@ -271,6 +275,7 @@ The memcached default args are removed and should be provided manually. The sett
 | cache.caches[0].roles[0] | string | `"parquet-footer"` |  |
 | cache.caches[0].roles[1] | string | `"bloom"` |  |
 | cache.caches[0].roles[2] | string | `"frontend-search"` |  |
+| compactor.affinity | string | Hard node and soft zone anti-affinity | Affinity for compactor pods. Passed through `tpl` and, thus, to be configured as string |
 | compactor.autoscaling | object | `{"enabled":false,"hpa":{"behavior":{},"enabled":false,"targetCPUUtilizationPercentage":100,"targetMemoryUtilizationPercentage":null},"keda":{"enabled":false,"triggers":[]},"maxReplicas":3,"minReplicas":1}` | Autoscaling configurations |
 | compactor.autoscaling.enabled | bool | `false` | Enable autoscaling for the compactor |
 | compactor.autoscaling.hpa | object | `{"behavior":{},"enabled":false,"targetCPUUtilizationPercentage":100,"targetMemoryUtilizationPercentage":null}` | Autoscaling via HPA object |

charts/tempo-distributed/README.md.gotmpl

@@ -39,6 +39,10 @@ The command removes all the Kubernetes components associated with the chart and
 
 A major chart version change indicates that there is an incompatible breaking change needing manual actions.
 
+### From Chart versions < 1.23.0
+
+A default affinity has been defined in this version for the compactor following the standard used in other components.
+
 ### From Chart versions < 1.21.0
 
 Upgrading to chart 1.21.0 will set the memberlist cluster_label config option. During rollout your cluster will temporarilly be split into two memberlist clusters until all components are rolled out.

charts/tempo-distributed/values.yaml

@@ -616,6 +616,22 @@ compactor:
   podLabels: {}
   # -- Annotations for compactor pods
   podAnnotations: {}
+  # -- Affinity for compactor pods. Passed through `tpl` and, thus, to be configured as string
+  # @default -- Hard node and soft zone anti-affinity
+  affinity: |
+    podAntiAffinity:
+      requiredDuringSchedulingIgnoredDuringExecution:
+        - labelSelector:
+            matchLabels:
+              {{- include "tempo.selectorLabels" (dict "ctx" . "component" "compactor") | nindent 10 }}
+          topologyKey: kubernetes.io/hostname
+      preferredDuringSchedulingIgnoredDuringExecution:
+        - weight: 100
+          podAffinityTerm:
+            labelSelector:
+              matchLabels:
+                {{- include "tempo.selectorLabels" (dict "ctx" . "component" "compactor") | nindent 12 }}
+            topologyKey: topology.kubernetes.io/zone
   # -- Additional CLI args for the compactor
   extraArgs: []
   # -- Environment variables to add to the compactor pods