Schedule etcd-main and kube-apiserver to high-cpu worker pool

timebertt · Sep 10, 2023 · 2c71755 · 2c71755
1 parent f05f380
commit 2c71755
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Showing 2 changed files with 38 additions and 0 deletions.
diff --git a/webhosting-operator/config/policy/controlplane/etcd-main.yaml b/webhosting-operator/config/policy/controlplane/etcd-main.yaml
@@ -29,3 +29,22 @@ spec:
               limits:
                 cpu: 12000m
                 memory: 12Gi
+  # schedule etcd-main on high-cpu worker pool for stable performance
+  - name: add-scheduling-constraints
+    match:
+      any:
+      - resources:
+          kinds:
+          - Pod
+          selector:
+            matchLabels:
+              instance: etcd-main
+              name: etcd
+    mutate:
+      patchesJson6902: |-
+        - op: add
+          path: "/spec/tolerations/-"
+          value: {"key":"high-cpu","operator":"Equal","value":"true","effect":"NoSchedule"}        
+        - op: add
+          path: "/spec/affinity/nodeAffinity/requiredDuringSchedulingIgnoredDuringExecution/nodeSelectorTerms/-"
+          value: {"matchExpressions": [{"key":"high-cpu","operator":"In","values":["true"]}]}
diff --git a/webhosting-operator/config/policy/controlplane/kube-apiserver.yaml b/webhosting-operator/config/policy/controlplane/kube-apiserver.yaml
@@ -53,3 +53,22 @@ spec:
               limits:
                 cpu: 12000m
                 memory: 12Gi
+  # schedule kube-apiserver on high-cpu worker pool for stable performance
+  - name: add-scheduling-constraints
+    match:
+      any:
+      - resources:
+          kinds:
+          - Pod
+          selector:
+            matchLabels:
+              app: kubernetes
+              role: apiserver
+    mutate:
+      patchesJson6902: |-
+        - op: add
+          path: "/spec/tolerations/-"
+          value: {"key":"high-cpu","operator":"Equal","value":"true","effect":"NoSchedule"}        
+        - op: add
+          path: "/spec/affinity/nodeAffinity/requiredDuringSchedulingIgnoredDuringExecution/nodeSelectorTerms/-"
+          value: {"matchExpressions": [{"key":"high-cpu","operator":"In","values":["true"]}]}