[kube-prometheus-stack] Allow setting hostUsers on operator (#6474)

Co-authored-by: Jan-Otto Kröpke <mail@jkroepke.de>

Author: jcpunk

charts/kube-prometheus-stack/templates/prometheus-operator/deployment.yaml

@@ -218,6 +218,9 @@ spec:
       dnsConfig:
 {{ toYaml . | indent 8 }}
     {{- end }}
+{{- if kindIs "bool" .Values.prometheusOperator.hostUsers }}
+      hostUsers: {{ .Values.prometheusOperator.hostUsers }}
+{{- end }}
 {{- if .Values.prometheusOperator.securityContext }}
       securityContext:
 {{ toYaml .Values.prometheusOperator.securityContext | indent 8 }}

charts/kube-prometheus-stack/values.yaml

@@ -3254,6 +3254,10 @@ prometheusOperator:
     seccompProfile:
       type: RuntimeDefault
 
+  ## Setup hostUsers for prometheus-operator
+  ## ref: https://kubernetes.io/docs/concepts/workloads/pods/user-namespaces/
+  hostUsers: ~
+
   ## Container-specific security context configuration
   ## ref: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/
   ##