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[bitnami/jenkins] feat: 🔒 Enable networkPolicy (#23192)
Signed-off-by: Javier Salmeron Garcia <jsalmeron@vmware.com>
This commit is contained in:
Javier J. Salmerón-García
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GitHub
GitHub
parent
2197d7a5ea
commit
d155cbb60b
@@ -35,4 +35,4 @@ maintainers:
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name: jenkins
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sources:
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- https://github.com/bitnami/charts/tree/main/bitnami/jenkins
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version: 12.6.7
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version: 12.7.0
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@@ -271,6 +271,14 @@ The command removes all the Kubernetes components associated with the chart and
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| `service.extraPorts` | Extra ports to expose (normally used with the `sidecar` value) | `[]` |
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| `service.sessionAffinity` | Session Affinity for Kubernetes service, can be "None" or "ClientIP" | `None` |
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| `service.sessionAffinityConfig` | Additional settings for the sessionAffinity | `{}` |
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| `networkPolicy.enabled` | Specifies whether a NetworkPolicy should be created | `true` |
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| `networkPolicy.allowExternal` | Don't require server label for connections | `true` |
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| `networkPolicy.allowExternalEgress` | Allow the pod to access any range of port and all destinations. | `true` |
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| `networkPolicy.kubeAPIServerPorts` | List of possible endpoints to kube-apiserver (limit to your cluster settings to increase security) | `[]` |
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| `networkPolicy.extraIngress` | Add extra ingress rules to the NetworkPolice | `[]` |
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| `networkPolicy.extraEgress` | Add extra ingress rules to the NetworkPolicy | `[]` |
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| `networkPolicy.ingressNSMatchLabels` | Labels to match to allow traffic from other namespaces | `{}` |
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| `networkPolicy.ingressNSPodMatchLabels` | Pod labels to match to allow traffic from other namespaces | `{}` |
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| `agentListenerService.enabled` | | `true` |
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| `agentListenerService.type` | Jenkins service type | `ClusterIP` |
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| `agentListenerService.ports.agentListener` | Jenkins service agent listener port | `50000` |
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82
bitnami/jenkins/templates/networkpolicy.yaml
Normal file
82
bitnami/jenkins/templates/networkpolicy.yaml
Normal file
@@ -0,0 +1,82 @@
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{{- /*
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Copyright VMware, Inc.
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SPDX-License-Identifier: APACHE-2.0
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*/}}
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{{- if .Values.networkPolicy.enabled }}
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kind: NetworkPolicy
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apiVersion: {{ include "common.capabilities.networkPolicy.apiVersion" . }}
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metadata:
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name: {{ template "common.names.fullname" . }}
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namespace: {{ include "common.names.namespace" . | quote }}
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labels: {{- include "common.labels.standard" ( dict "customLabels" .Values.commonLabels "context" $ ) | nindent 4 }}
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app.kubernetes.io/component: jenkins-controller
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{{- if .Values.commonAnnotations }}
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annotations: {{- include "common.tplvalues.render" ( dict "value" .Values.commonAnnotations "context" $ ) | nindent 4 }}
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{{- end }}
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spec:
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{{- $podLabels := include "common.tplvalues.merge" ( dict "values" ( list .Values.podLabels .Values.commonLabels ) "context" . ) }}
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podSelector:
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matchLabels: {{- include "common.labels.matchLabels" ( dict "customLabels" $podLabels "context" $ ) | nindent 6 }}
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app.kubernetes.io/component: jenkins-controller
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policyTypes:
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- Ingress
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- Egress
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{{- if .Values.networkPolicy.allowExternalEgress }}
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egress:
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- {}
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{{- else }}
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egress:
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- ports:
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# Allow dns resolution
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- port: 53
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protocol: UDP
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- port: 53
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protocol: TCP
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# Allow http and https for plugin download
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- port: 80
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- port: 443
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{{- range $port := .Values.networkPolicy.kubeAPIServerPorts }}
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- port: {{ $port }}
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{{- end }}
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- ports:
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# Allow traffic to Kubernetes agents
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- port: {{ .Values.agentListenerService.ports.agentListener }}
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to:
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- podSelector:
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matchLabels: {{- include "common.labels.matchLabels" ( dict "customLabels" .Values.commonLabels "context" $ ) | nindent 14 }}
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app.kubernetes.io/component: jenkins-agent
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{{- if .Values.networkPolicy.extraEgress }}
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{{- include "common.tplvalues.render" ( dict "value" .Values.networkPolicy.extraEgress "context" $ ) | nindent 4 }}
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{{- end }}
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{{- end }}
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ingress:
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- ports:
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- port: {{ .Values.containerPorts.http }}
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- port: {{ .Values.containerPorts.https }}
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{{- if not .Values.networkPolicy.allowExternal }}
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from:
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- podSelector:
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matchLabels: {{- include "common.labels.matchLabels" ( dict "customLabels" .Values.commonLabels "context" $ ) | nindent 14 }}
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- podSelector:
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matchLabels:
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{{ template "common.names.fullname" . }}-client: "true"
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{{- if .Values.networkPolicy.ingressNSMatchLabels }}
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- namespaceSelector:
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matchLabels:
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{{- range $key, $value := .Values.networkPolicy.ingressNSMatchLabels }}
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{{ $key | quote }}: {{ $value | quote }}
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{{- end }}
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{{- if .Values.networkPolicy.ingressNSPodMatchLabels }}
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podSelector:
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matchLabels:
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{{- range $key, $value := .Values.networkPolicy.ingressNSPodMatchLabels }}
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{{ $key | quote }}: {{ $value | quote }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{- if .Values.networkPolicy.extraIngress }}
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{{- include "common.tplvalues.render" ( dict "value" .Values.networkPolicy.extraIngress "context" $ ) | nindent 4 }}
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{{- end }}
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{{- end }}
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@@ -713,6 +713,65 @@ service:
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##
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sessionAffinityConfig: {}
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## Network Policies
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## Ref: https://kubernetes.io/docs/concepts/services-networking/network-policies/
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##
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networkPolicy:
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## @param networkPolicy.enabled Specifies whether a NetworkPolicy should be created
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##
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enabled: true
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## @param networkPolicy.allowExternal Don't require server label for connections
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## The Policy model to apply. When set to false, only pods with the correct
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## server label will have network access to the ports server is listening
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## on. When true, server will accept connections from any source
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## (with the correct destination port).
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##
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allowExternal: true
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## @param networkPolicy.allowExternalEgress Allow the pod to access any range of port and all destinations.
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##
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allowExternalEgress: true
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## @param networkPolicy.kubeAPIServerPorts [array] List of possible endpoints to kube-apiserver (limit to your cluster settings to increase security)
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##
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kubeAPIServerPorts: [443, 6443, 8443]
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## @param networkPolicy.extraIngress [array] Add extra ingress rules to the NetworkPolice
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## e.g:
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## extraIngress:
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## - ports:
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## - port: 1234
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## from:
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## - podSelector:
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## - matchLabels:
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## - role: frontend
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## - podSelector:
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## - matchExpressions:
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## - key: role
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## operator: In
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## values:
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## - frontend
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extraIngress: []
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## @param networkPolicy.extraEgress [array] Add extra ingress rules to the NetworkPolicy
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## e.g:
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## extraEgress:
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## - ports:
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## - port: 1234
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## to:
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## - podSelector:
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## - matchLabels:
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## - role: frontend
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## - podSelector:
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## - matchExpressions:
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## - key: role
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## operator: In
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## values:
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## - frontend
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##
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extraEgress: []
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## @param networkPolicy.ingressNSMatchLabels [object] Labels to match to allow traffic from other namespaces
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## @param networkPolicy.ingressNSPodMatchLabels [object] Pod labels to match to allow traffic from other namespaces
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##
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ingressNSMatchLabels: {}
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ingressNSPodMatchLabels: {}
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## Jenkins agent listener service parameters
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## NOTE: ignored if agent.enabled=false
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##
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