Use scheduler configuration to run tidb-scheduler

charts/tidb-operator/templates/config/_scheduler-config-yaml.tpl

@@ -0,0 +1,21 @@
+apiVersion: kubescheduler.config.k8s.io/v1beta1
+kind: KubeSchedulerConfiguration
+leaderElection:
+  leaderElect: true
+  resourceNamespace: {{ .Release.Namespace }}
+  {{- if eq .Values.appendReleaseSuffix true}}
+  resourceName: {{ .Values.scheduler.schedulerName }}-{{.Release.Name}}
+  {{- else }}
+  resourceName: {{ .Values.scheduler.schedulerName }}
+  {{- end }}
+healthzBindAddress: 0.0.0.0:10261
+metricsBindAddress: 0.0.0.0:10261
+profiles:
+  - schedulerName: tidb-scheduler
+extenders:
+  - urlPrefix: http://127.0.0.1:10262/scheduler
+    filterVerb: filter
+    preemptVerb: preempt
+    weight: 1
+    enableHTTPS: false
+    httpTimeout: 30s

charts/tidb-operator/templates/scheduler-config-configmap.yaml

@@ -0,0 +1,25 @@
+{{- if (hasKey .Values.scheduler "create" | ternary .Values.scheduler.create true) | and (semverCompare ">=1.19.0-0" .Capabilities.KubeVersion.GitVersion) }}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  {{- $annotations := .Values.scheduler.configmapAnnotations | default dict }}
+  {{- if gt (len $annotations) 0 }}
+  annotations:
+{{ toYaml $annotations | indent 4 }}
+  {{- end }}
+  {{- if eq .Values.appendReleaseSuffix true}}
+  name: {{ .Values.scheduler.schedulerName }}-config-{{.Release.Name}}
+  {{- else }}
+  name: {{ .Values.scheduler.schedulerName }}-config
+  {{- end }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.kubernetes.io/name: {{ template "chart.name" . }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/component: scheduler
+    helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+"  "_" }}
+data:
+  scheduler-config.yaml: |-
+{{ tuple "config/_scheduler-config-yaml.tpl" . | include "helm-toolkit.utils.template" | indent 4 }}
+{{- end }}

charts/tidb-operator/templates/scheduler-deployment.yaml

@@ -1,4 +1,5 @@
 {{- if (hasKey .Values.scheduler "create" | ternary .Values.scheduler.create true) }}
+{{- $lgK8sV119 := (semverCompare ">=1.19.0-0" .Capabilities.KubeVersion.GitVersion) }}
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -69,24 +70,33 @@ spec:
         command:
         - kube-scheduler
         - --port=10261
+        - --v={{ .Values.scheduler.logLevel }}
+        {{- if $lgK8sV119 }}
+        - --config=/etc/kubernetes/scheduler-config.yaml
+        {{- else }}
         - --leader-elect=true
         - --lock-object-namespace={{ .Release.Namespace }}
-        {{- if eq .Values.appendReleaseSuffix true}}
+        - --policy-configmap-namespace={{ .Release.Namespace }}
+          {{- if eq .Values.appendReleaseSuffix true}}
         - --lock-object-name={{ .Values.scheduler.schedulerName }}-{{.Release.Name}}
         - --scheduler-name={{ .Values.scheduler.schedulerName }}-{{.Release.Name}}
         - --policy-configmap={{ .Values.scheduler.schedulerName }}-policy-{{.Release.Name}}
-        {{- else }}
+          {{- else }}
         - --lock-object-name={{ .Values.scheduler.schedulerName }}
         - --scheduler-name={{ .Values.scheduler.schedulerName }}
         - --policy-configmap={{ .Values.scheduler.schedulerName }}-policy
+          {{- end }}
         {{- end }}
-        - --v={{ .Values.scheduler.logLevel }}
-        - --policy-configmap-namespace={{ .Release.Namespace }}
       {{- if and (ne .Values.timezone "UTC") (ne .Values.timezone "") }}
         env:
         - name: TZ
           value: {{ .Values.timezone | default "UTC" }}
       {{- end }}
+      {{- if $lgK8sV119 }}
+        volumeMounts:
+        - name: scheduler-config
+          mountPath: /etc/kubernetes
+      {{- end }}
     {{- with .Values.scheduler.nodeSelector }}
       nodeSelector:
 {{ toYaml . | indent 8 }}
@@ -103,4 +113,14 @@ spec:
       securityContext:
 {{ toYaml . | indent 8 }}
     {{- end}}
+    {{- if $lgK8sV119 }}
+      volumes:
+      - name: scheduler-config
+        configMap:
+          {{- if eq .Values.appendReleaseSuffix true}}
+          name: {{ .Values.scheduler.schedulerName }}-config-{{.Release.Name}}
+          {{- else }}
+          name: {{ .Values.scheduler.schedulerName }}-config
+          {{- end }}
+    {{- end }}
 {{- end }}

charts/tidb-operator/templates/scheduler-policy-configmap.yaml

@@ -1,4 +1,4 @@
-{{- if (hasKey .Values.scheduler "create" | ternary .Values.scheduler.create true) }}
+{{- if (hasKey .Values.scheduler "create" | ternary .Values.scheduler.create true) | and (semverCompare "<1.19.0-0" .Capabilities.KubeVersion.GitVersion)  }}
 apiVersion: v1
 kind: ConfigMap
 metadata: