[prometheus-kafka-exporter] remove psp support, require K8s 1.25 (#6157)

Signed-off-by: AvivGuiser <[email protected]>
Co-authored-by: zeritti <[email protected]>

Author: KyriosGN0

charts/prometheus-kafka-exporter/Chart.yaml

@@ -3,8 +3,8 @@ appVersion: "v1.9.0"
 description: A Helm chart to export metrics from Kafka in Prometheus format using kafka_exporter from https://github.com/danielqsj/kafka_exporter
 name: prometheus-kafka-exporter
 home: https://github.com/danielqsj/kafka_exporter
-version: 2.18.0
-kubeVersion: ">=1.19.0-0"
+version: 3.0.0
+kubeVersion: ">=1.25.0-0"
 sources:
   - https://github.com/prometheus-community/helm-charts
   - https://github.com/danielqsj/kafka_exporter

charts/prometheus-kafka-exporter/README.md

@@ -6,7 +6,7 @@ This chart bootstraps a [Kafka Exporter](https://github.com/danielqsj/kafka_expo
 
 ## Prerequisites
 
-- Kubernetes 1.19+
+- Kubernetes 1.25+
 - Helm 3
 
 Helm v2 is no longer supported from chart version 2.0.0.
@@ -55,3 +55,13 @@ See [Customizing the Chart Before Installing](https://helm.sh/docs/intro/using_h
 ```console
 helm show values oci://ghcr.io/prometheus-community/charts/prometheus-kafka-exporter
 ```
+
+### Upgrading an existing Release to a new major version
+
+A major chart version change (like v1.2.3 -> v2.0.0) indicates that there is an incompatible breaking change needing manual actions.
+
+#### 2.x to 3.x
+
+From version 3.0.0, support for pod security policies was removed.
+
+The minimum Kubernetes version required by the helm chart is 1.25.

charts/prometheus-kafka-exporter/templates/podsecuritypolicy.yaml

@@ -8,11 +8,4 @@ metadata:
     chart: {{ .Chart.Name }}-{{ .Chart.Version }}
     heritage: {{ .Release.Service }}
     release: {{ .Release.Name }}
-{{- if and .Values.rbac.pspEnabled (.Capabilities.APIVersions.Has "policy/v1beta1/PodSecurityPolicy") }}
-rules:
-- apiGroups:      ['extensions']
-  resources:      ['podsecuritypolicies']
-  verbs:          ['use']
-  resourceNames:  [{{ template "prometheus-kafka-exporter.fullname" . }}]
-{{- end }}
 {{- end }}

charts/prometheus-kafka-exporter/templates/role.yaml

@@ -54,8 +54,6 @@ sarama:
 rbac:
   # Specifies whether RBAC resources should be created
   create: true
-  # Specifies whether a PodSecurityPolicy should be created
-  pspEnabled: false
 
 serviceAccount:
   # Specifies whether a ServiceAccount should be created