add minAllowed field for KSM vpa (#361)

* add minAllowed field for KSM vpa * regenerate values schema * add comment with explanations * Update helm/kube-prometheus-stack/values.yaml Co-authored-by: Quentin Bisson <[email protected]> --------- Co-authored-by: Quentin Bisson <[email protected]>
giantswarm · Jan 22, 2024 · 3cecb47 · 3cecb47
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project's packages adheres to [Semantic Versioning](http://semver.org/s
 
 ## [Unreleased]
 
+### Added
+
+- Add `minAllowed` field for KSM vpa.
+
 ## [8.1.1] - 2023-12-13
 
 ### Changed

diff --git a/helm/kube-prometheus-stack/values.schema.json b/helm/kube-prometheus-stack/values.schema.json
@@ -373,6 +373,17 @@
                             "properties": {
                                 "enabled": {
                                     "type": "boolean"
+                                },
+                                "minAllowed": {
+                                    "type": "object",
+                                    "properties": {
+                                        "cpu": {
+                                            "type": "string"
+                                        },
+                                        "memory": {
+                                            "type": "string"
+                                        }
+                                    }
                                 }
                             }
                         }

diff --git a/helm/kube-prometheus-stack/values.yaml b/helm/kube-prometheus-stack/values.yaml
@@ -330,6 +330,10 @@ kube-prometheus-stack:
       enabled: true
     verticalPodAutoscaler:
       enabled: true
+      # We set minAllowed=requests to allow VPA to work efficiently
+      minAllowed:
+        cpu: 200m
+        memory: 200Mi
   nodeExporter:
     enabled: false
   prometheus-node-exporter: