Add the Topologyspreadconstraints to deployments in Helm Chart

helm-chart/splunk-connect-for-kubernetes/charts/splunk-kubernetes-metrics/templates/deploymentMetricsAggregator.yaml

@@ -54,6 +54,10 @@ spec:
       {{- if .Values.imageAgg.usePullSecret }}
       imagePullSecrets:
       - name: {{ .Values.imageAgg.pullsecretName}}
+      {{- end }}
+      {{- with .Values.topologySpreadConstraints }}
+      topologySpreadConstraints: 
+{{- toYaml . | nindent 8 }}
       {{- end }}
       containers:
       - name: splunk-fluentd-k8s-metrics-agg

helm-chart/splunk-connect-for-kubernetes/charts/splunk-kubernetes-metrics/values.yaml

@@ -207,6 +207,18 @@ priorityClassNameAgg:
 # Defines node affinity to restrict pod deployment.
 affinity: {}
 
+# Defines topologySpreadConstraints to restrict pod deployment.
+topologySpreadConstraints: []
+#- maxSkew: 1
+#  topologyKey: topology.kubernetes.io/zone
+#  whenUnsatisfiable: DoNotSchedule
+#  labelSelector:
+#    matchExpressions:
+#    - key: component
+#      operator: In
+#      values:
+#      - aggregator
+
 # = Kubernetes Connection Configs =
 kubernetes:
   # The hostname or IP address that kubelet will use to connect to. If not supplied, status.hostIP of the node is used to fetch metrics from the Kubelet API (via the $KUBERNETES_NODE_IP environment variable).

helm-chart/splunk-connect-for-kubernetes/charts/splunk-kubernetes-objects/templates/deployment.yaml

@@ -53,6 +53,10 @@ spec:
       imagePullSecrets:
       - name: {{ .Values.image.pullSecretName }}
       {{ end }}
+      {{- with .Values.topologySpreadConstraints }}
+      topologySpreadConstraints: 
+{{- toYaml . | nindent 8 }}
+      {{- end }}
       containers:
       - name: splunk-fluentd-k8s-objects
         image: {{ template "splunk-kubernetes-objects.image" . }}

helm-chart/splunk-connect-for-kubernetes/charts/splunk-kubernetes-objects/values.yaml

@@ -259,6 +259,18 @@ tolerations: []
 # Defines node affinity to restrict pod deployment.
 affinity: {}
 
+# Defines topologySpreadConstraints to restrict pod deployment.
+topologySpreadConstraints: []
+#- maxSkew: 1
+#  topologyKey: topology.kubernetes.io/zone
+#  whenUnsatisfiable: DoNotSchedule
+#  labelSelector:
+#    matchExpressions:
+#    - key: app
+#      operator: In
+#      values:
+#      - splunk-kubernetes-objects
+
 # `customFilters` defines the custom filters to be used.
 # This section can be used to define custom filters using plugins like https://github.com/splunk/fluent-plugin-jq
 # Its also possible to use other filters like https://www.fluentd.org/plugins#filter