[bitnami/kubernetes-event-exporter] feat: 🔒 Enable networkPolicy (#23075)

* [bitnami/kubernetes-event-exporter] feat: 🔒 Enable networkPolicy

Signed-off-by: Javier Salmeron Garcia <jsalmeron@vmware.com>

* chore: 🔖 Bump chart version

Signed-off-by: Javier Salmeron Garcia <jsalmeron@vmware.com>

---------

Signed-off-by: Javier Salmeron Garcia <jsalmeron@vmware.com>
Signed-off-by: Javier J. Salmerón-García <jsalmeron@vmware.com>
This commit is contained in:
Javier J. Salmerón-García
2024-02-06 09:29:58 +01:00
committed by GitHub
parent fb8522ee5e
commit 9a6aa77c80
4 changed files with 137 additions and 1 deletions

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@@ -31,4 +31,4 @@ maintainers:
name: kubernetes-event-exporter
sources:
- https://github.com/bitnami/charts/tree/main/bitnami/kubernetes-event-exporter
version: 2.12.4
version: 2.13.0

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@@ -120,6 +120,14 @@ The command removes all the Kubernetes components associated with the chart and
| `lifecycleHooks` | Lifecycle for the container to automate configuration before or after startup | `{}` |
| `resources.limits` | Specify resource limits which the container is not allowed to succeed. | `{}` |
| `resources.requests` | Specify resource requests which the container needs to spawn. | `{}` |
| `networkPolicy.enabled` | Specifies whether a NetworkPolicy should be created | `true` |
| `networkPolicy.kubeAPIServerPorts` | List of possible endpoints to kube-apiserver (limit to your cluster settings to increase security) | `[]` |
| `networkPolicy.allowExternal` | Don't require server label for connections | `true` |
| `networkPolicy.allowExternalEgress` | Allow the pod to access any range of port and all destinations. | `true` |
| `networkPolicy.extraIngress` | Add extra ingress rules to the NetworkPolice | `[]` |
| `networkPolicy.extraEgress` | Add extra ingress rules to the NetworkPolicy | `[]` |
| `networkPolicy.ingressNSMatchLabels` | Labels to match to allow traffic from other namespaces | `{}` |
| `networkPolicy.ingressNSPodMatchLabels` | Pod labels to match to allow traffic from other namespaces | `{}` |
| `livenessProbe.enabled` | Enable livenessProbe on Kubernetes event exporter container | `true` |
| `livenessProbe.initialDelaySeconds` | Initial delay seconds for livenessProbe | `5` |
| `livenessProbe.periodSeconds` | Period seconds for livenessProbe | `5` |

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@@ -0,0 +1,69 @@
{{- /*
Copyright VMware, Inc.
SPDX-License-Identifier: APACHE-2.0
*/}}
{{- if .Values.networkPolicy.enabled }}
kind: NetworkPolicy
apiVersion: {{ include "common.capabilities.networkPolicy.apiVersion" . }}
metadata:
name: {{ include "common.names.fullname" . }}
namespace: {{ template "common.names.namespace" . }}
labels: {{- include "common.labels.standard" ( dict "customLabels" .Values.commonLabels "context" $ ) | nindent 4 }}
{{- if .Values.commonAnnotations }}
annotations: {{- include "common.tplvalues.render" ( dict "value" .Values.commonAnnotations "context" $ ) | nindent 4 }}
{{- end }}
spec:
{{- $podLabels := include "common.tplvalues.merge" ( dict "values" ( list .Values.podLabels .Values.commonLabels ) "context" . ) }}
podSelector:
matchLabels: {{- include "common.labels.matchLabels" ( dict "customLabels" $podLabels "context" $ ) | nindent 6 }}
policyTypes:
- Ingress
- Egress
{{- if .Values.networkPolicy.allowExternalEgress }}
egress:
- {}
{{- else }}
egress:
# Allow dns resolution
- ports:
- port: 53
protocol: UDP
- port: 53
protocol: TCP
{{- range $port := .Values.networkPolicy.kubeAPIServerPorts }}
- port: {{ $port }}
{{- end }}
{{- if .Values.networkPolicy.extraEgress }}
{{- include "common.tplvalues.render" ( dict "value" .Values.rts.networkPolicy.extraEgress "context" $ ) | nindent 4 }}
{{- end }}
{{- end }}
ingress:
- ports:
- port: {{ .Values.containerPorts.http }}
{{- if not .Values.networkPolicy.allowExternal }}
from:
- podSelector:
matchLabels:
{{ template "common.names.fullname" . }}-client: "true"
- podSelector:
matchLabels: {{- include "common.labels.matchLabels" ( dict "customLabels" .Values.commonLabels "context" $ ) | nindent 14 }}
{{- if .Values.networkPolicy.ingressNSMatchLabels }}
- namespaceSelector:
matchLabels:
{{- range $key, $value := .Values.networkPolicy.ingressNSMatchLabels }}
{{ $key | quote }}: {{ $value | quote }}
{{- end }}
{{- if .Values.networkPolicy.ingressNSPodMatchLabels }}
podSelector:
matchLabels:
{{- range $key, $value := .Values.networkPolicy.ingressNSPodMatchLabels }}
{{ $key | quote }}: {{ $value | quote }}
{{- end }}
{{- end }}
{{- end }}
{{- end }}
{{- if .Values.networkPolicy.extraIngress }}
{{- include "common.tplvalues.render" ( dict "value" .Values.networkPolicy.extraIngress "context" $ ) | nindent 4 }}
{{- end }}
{{- end }}

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@@ -227,6 +227,65 @@ resources:
## memory: 25Mi
requests: {}
## Network Policies
## Ref: https://kubernetes.io/docs/concepts/services-networking/network-policies/
##
networkPolicy:
## @param networkPolicy.enabled Specifies whether a NetworkPolicy should be created
##
enabled: true
## @param networkPolicy.kubeAPIServerPorts [array] List of possible endpoints to kube-apiserver (limit to your cluster settings to increase security)
##
kubeAPIServerPorts: [443, 6443, 8443]
## @param networkPolicy.allowExternal Don't require server label for connections
## The Policy model to apply. When set to false, only pods with the correct
## server label will have network access to the ports server is listening
## on. When true, server will accept connections from any source
## (with the correct destination port).
##
allowExternal: true
## @param networkPolicy.allowExternalEgress Allow the pod to access any range of port and all destinations.
##
allowExternalEgress: true
## @param networkPolicy.extraIngress [array] Add extra ingress rules to the NetworkPolice
## e.g:
## extraIngress:
## - ports:
## - port: 1234
## from:
## - podSelector:
## - matchLabels:
## - role: frontend
## - podSelector:
## - matchExpressions:
## - key: role
## operator: In
## values:
## - frontend
extraIngress: []
## @param networkPolicy.extraEgress [array] Add extra ingress rules to the NetworkPolicy
## e.g:
## extraEgress:
## - ports:
## - port: 1234
## to:
## - podSelector:
## - matchLabels:
## - role: frontend
## - podSelector:
## - matchExpressions:
## - key: role
## operator: In
## values:
## - frontend
##
extraEgress: []
## @param networkPolicy.ingressNSMatchLabels [object] Labels to match to allow traffic from other namespaces
## @param networkPolicy.ingressNSPodMatchLabels [object] Pod labels to match to allow traffic from other namespaces
##
ingressNSMatchLabels: {}
ingressNSPodMatchLabels: {}
## Configure extra options for Kubernetes event exporter container's liveness, readiness and startup probes
## ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/#configure-probes
## @param livenessProbe.enabled Enable livenessProbe on Kubernetes event exporter container