rancher-charts/charts/rancher-project-monitoring/2.1.0+up0.3.0/templates/rancher-monitoring/hardened.yaml

{{- $namespaces := dict "_0" .Release.Namespace -}}
apiVersion: batch/v1
kind: Job
metadata:
  name: {{ template "project-prometheus-stack.fullname" . }}-patch-sa
  namespace: {{ .Release.Namespace }}
  labels:
    app: {{ template "project-prometheus-stack.fullname" . }}-patch-sa
  annotations:
    "helm.sh/hook": post-install, post-upgrade
    "helm.sh/hook-delete-policy": hook-succeeded, before-hook-creation
spec:
  template:
    metadata:
      name: {{ template "project-prometheus-stack.fullname" . }}-patch-sa
      labels:
        app: {{ template "project-prometheus-stack.fullname" . }}-patch-sa
    spec:
      serviceAccountName: {{ template "project-prometheus-stack.fullname" . }}-patch-sa
{{- if .Values.global.kubectl.securityContext }}
      securityContext: {{ toYaml .Values.global.kubectl.securityContext | nindent 8 }}
{{- end }}
      restartPolicy: Never
      nodeSelector: {{ include "linux-node-selector" . | nindent 8 }}
      tolerations: {{ include "linux-node-tolerations" . | nindent 8 }}
      containers:
      {{- range $_, $ns := $namespaces }}
      - name: patch-sa-{{ $ns }}
        image: {{ template "system_default_registry" $ }}{{ $.Values.global.kubectl.repository }}:{{ $.Values.global.kubectl.tag }}
        imagePullPolicy: {{ $.Values.global.kubectl.pullPolicy }}
        command: ["kubectl", "patch", "serviceaccount", "default", "-p", "{\"automountServiceAccountToken\": false}"]
        args: ["-n", "{{ $ns }}"]
{{- if $.Values.global.kubectl.resources }}
        resources: {{ toYaml $.Values.global.kubectl.resources | nindent 10 }}
{{- end }}
{{- if $.Values.global.kubectl.containerSecurityContext }}
        securityContext: {{ toYaml $.Values.global.kubectl.containerSecurityContext | nindent 10 }}
{{- end }}
      {{- end }}
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: {{ template "project-prometheus-stack.fullname" . }}-patch-sa
  labels:
    app: {{ template "project-prometheus-stack.fullname" . }}-patch-sa
rules:
- apiGroups:
  - ""
  resources:
  - serviceaccounts
  verbs: ['get', 'patch']
{{- if .Values.global.cattle.psp.enabled }}
- apiGroups: ['policy']
  resources: ['podsecuritypolicies']
  verbs:     ['use']
  resourceNames:
  - {{ template "project-prometheus-stack.fullname" . }}-patch-sa
{{- end }}
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: {{ template "project-prometheus-stack.fullname" . }}-patch-sa
  labels:
    app: {{ template "project-prometheus-stack.fullname" . }}-patch-sa
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: {{ template "project-prometheus-stack.fullname" . }}-patch-sa
subjects:
- kind: ServiceAccount
  name: {{ template "project-prometheus-stack.fullname" . }}-patch-sa
  namespace: {{ .Release.Namespace }}
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: {{ template "project-prometheus-stack.fullname" . }}-patch-sa
  namespace: {{ .Release.Namespace }}
  labels:
    app: {{ template "project-prometheus-stack.fullname" . }}-patch-sa
---
{{- if .Values.global.cattle.psp.enabled }}
apiVersion: policy/v1beta1
kind: PodSecurityPolicy
metadata:
  name: {{ template "project-prometheus-stack.fullname" . }}-patch-sa
  namespace: {{ .Release.Namespace }}
  labels:
    app: {{ template "project-prometheus-stack.fullname" . }}-patch-sa
spec:
  privileged: false
  hostNetwork: false
  hostIPC: false
  hostPID: false
  runAsUser:
    rule: 'MustRunAsNonRoot'
  seLinux:
    rule: 'RunAsAny'
  supplementalGroups:
    rule: 'MustRunAs'
    ranges:
      - min: 1
        max: 65535
  fsGroup:
    rule: 'MustRunAs'
    ranges:
      - min: 1
        max: 65535
  readOnlyRootFilesystem: false
  volumes:
    - 'secret'
{{- end }}
{{- range $_, $ns := $namespaces }}
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: project-monitoring-policy
  namespace: {{ $ns }}
spec:
  podSelector: {}
  ingress: {{- default (list dict | toYaml) (include "project-prometheus-stack.hardened.networkPolicy.ingress" (list $ $ns)) | nindent 4 }}
  egress: {{- $.Values.global.networkPolicy.egress | toYaml | nindent 4 }}
  policyTypes:
  - Ingress
  - Egress
{{- end }}