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[bitnami/kiam] feat: 🔒 Enable networkPolicy (#23187)

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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
2024-02-13 17:59:08 +01:00
committed by GitHub
parent d155cbb60b
commit ee8c5a5dd9
5 changed files with 315 additions and 26 deletions
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2
bitnami/kiam/Chart.yaml
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@@ -28,4 +28,4 @@ maintainers:
name: kiam
sources:
- https://github.com/bitnami/charts/tree/main/bitnami/kiam
version: 1.7.5
version: 1.8.0

65
bitnami/kiam/README.md
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@@ -176,19 +176,27 @@ The command removes all the Kubernetes components associated with the chart and
### kiam server exposure parameters
| Name | Description | Value |
| ----------------------------------------- | ---------------------------------------------------------------------------- | ----------- |
| `server.service.type` | Kubernetes service type | `ClusterIP` |
| `server.service.port` | Service grpc-lb port | `8443` |
| `server.service.nodePorts` | Specify the nodePort values for the LoadBalancer and NodePort service types. | `{}` |
| `server.service.clusterIP` | kiam service clusterIP IP | `None` |
| `server.service.loadBalancerIP` | loadBalancerIP if service type is `LoadBalancer` | `""` |
| `server.service.loadBalancerSourceRanges` | Address that are allowed when service is LoadBalancer | `[]` |
| `server.service.extraPorts` | Extra ports to expose (normally used with the `sidecar` value) | `[]` |
| `server.service.externalTrafficPolicy` | Enable client source IP preservation | `Cluster` |
| `server.service.annotations` | Annotations for kiam service | `{}` |
| `server.service.sessionAffinity` | Session Affinity for Kubernetes service, can be "None" or "ClientIP" | `None` |
| `server.service.sessionAffinityConfig` | Additional settings for the sessionAffinity | `{}` |
| Name | Description | Value |
| ---------------------------------------------- | -------------------------------------------------------------------------------------------------- | ----------- |
| `server.service.type` | Kubernetes service type | `ClusterIP` |
| `server.service.port` | Service grpc-lb port | `8443` |
| `server.service.nodePorts` | Specify the nodePort values for the LoadBalancer and NodePort service types. | `{}` |
| `server.service.clusterIP` | kiam service clusterIP IP | `None` |
| `server.service.loadBalancerIP` | loadBalancerIP if service type is `LoadBalancer` | `""` |
| `server.service.loadBalancerSourceRanges` | Address that are allowed when service is LoadBalancer | `[]` |
| `server.service.extraPorts` | Extra ports to expose (normally used with the `sidecar` value) | `[]` |
| `server.service.externalTrafficPolicy` | Enable client source IP preservation | `Cluster` |
| `server.service.annotations` | Annotations for kiam service | `{}` |
| `server.service.sessionAffinity` | Session Affinity for Kubernetes service, can be "None" or "ClientIP" | `None` |
| `server.service.sessionAffinityConfig` | Additional settings for the sessionAffinity | `{}` |
| `server.networkPolicy.enabled` | Specifies whether a NetworkPolicy should be created | `true` |
| `server.networkPolicy.allowExternal` | Don't require server label for connections | `true` |
| `server.networkPolicy.allowExternalEgress` | Allow the pod to access any range of port and all destinations. | `true` |
| `server.networkPolicy.kubeAPIServerPorts` | List of possible endpoints to kube-apiserver (limit to your cluster settings to increase security) | `[]` |
| `server.networkPolicy.extraIngress` | Add extra ingress rules to the NetworkPolice | `[]` |
| `server.networkPolicy.extraEgress` | Add extra ingress rules to the NetworkPolicy | `[]` |
| `server.networkPolicy.ingressNSMatchLabels` | Labels to match to allow traffic from other namespaces | `{}` |
| `server.networkPolicy.ingressNSPodMatchLabels` | Pod labels to match to allow traffic from other namespaces | `{}` |
### kiam server Service Account parameters
@@ -307,18 +315,25 @@ The command removes all the Kubernetes components associated with the chart and
### kiam agent exposure parameters
| Name | Description | Value |
| ---------------------------------------- | ---------------------------------------------------------------------------- | ----------- |
| `agent.service.type` | Kubernetes service type | `ClusterIP` |
| `agent.service.nodePorts` | Specify the nodePort values for the LoadBalancer and NodePort service types. | `{}` |
| `agent.service.clusterIP` | kiam service clusterIP IP | `""` |
| `agent.service.loadBalancerIP` | loadBalancerIP if service type is `LoadBalancer` | `""` |
| `agent.service.loadBalancerSourceRanges` | Address that are allowed when service is LoadBalancer | `[]` |
| `agent.service.externalTrafficPolicy` | Enable client source IP preservation | `Cluster` |
| `agent.service.extraPorts` | Extra ports to expose (normally used with the `sidecar` value) | `[]` |
| `agent.service.annotations` | Annotations for kiam service | `{}` |
| `agent.service.sessionAffinity` | Session Affinity for Kubernetes service, can be "None" or "ClientIP" | `None` |
| `agent.service.sessionAffinityConfig` | Additional settings for the sessionAffinity | `{}` |
| Name | Description | Value |
| --------------------------------------------- | ---------------------------------------------------------------------------- | ----------- |
| `agent.service.type` | Kubernetes service type | `ClusterIP` |
| `agent.service.nodePorts` | Specify the nodePort values for the LoadBalancer and NodePort service types. | `{}` |
| `agent.service.clusterIP` | kiam service clusterIP IP | `""` |
| `agent.service.loadBalancerIP` | loadBalancerIP if service type is `LoadBalancer` | `""` |
| `agent.service.loadBalancerSourceRanges` | Address that are allowed when service is LoadBalancer | `[]` |
| `agent.service.externalTrafficPolicy` | Enable client source IP preservation | `Cluster` |
| `agent.service.extraPorts` | Extra ports to expose (normally used with the `sidecar` value) | `[]` |
| `agent.service.annotations` | Annotations for kiam service | `{}` |
| `agent.service.sessionAffinity` | Session Affinity for Kubernetes service, can be "None" or "ClientIP" | `None` |
| `agent.service.sessionAffinityConfig` | Additional settings for the sessionAffinity | `{}` |
| `agent.networkPolicy.enabled` | Specifies whether a NetworkPolicy should be created | `true` |
| `agent.networkPolicy.allowExternal` | Don't require server label for connections | `true` |
| `agent.networkPolicy.allowExternalEgress` | Allow the pod to access any range of port and all destinations. | `true` |
| `agent.networkPolicy.extraIngress` | Add extra ingress rules to the NetworkPolice | `[]` |
| `agent.networkPolicy.extraEgress` | Add extra ingress rules to the NetworkPolicy | `[]` |
| `agent.networkPolicy.ingressNSMatchLabels` | Labels to match to allow traffic from other namespaces | `{}` |
| `agent.networkPolicy.ingressNSPodMatchLabels` | Pod labels to match to allow traffic from other namespaces | `{}` |
### kiam agent Service Account parameters

83
bitnami/kiam/templates/agent/agent-networkpolicy.yaml Normal file
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@@ -0,0 +1,83 @@
{{- /*
Copyright VMware, Inc.
SPDX-License-Identifier: APACHE-2.0
*/}}
{{- if .Values.agent.networkPolicy.enabled }}
kind: NetworkPolicy
apiVersion: {{ include "common.capabilities.networkPolicy.apiVersion" . }}
metadata:
name: {{ template "common.names.fullname" . }}-agent
namespace: {{ include "common.names.namespace" . | quote }}
labels: {{- include "common.labels.standard" ( dict "customLabels" .Values.commonLabels "context" $ ) | nindent 4 }}
app.kubernetes.io/component: agent
{{- 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.agent.podLabels .Values.commonLabels ) "context" . ) }}
podSelector:
matchLabels: {{- include "common.labels.matchLabels" ( dict "customLabels" $podLabels "context" $ ) | nindent 6 }}
app.kubernetes.io/component: agent
policyTypes:
- Ingress
- Egress
{{- if .Values.agent.networkPolicy.allowExternalEgress }}
egress:
- {}
{{- else }}
egress:
- ports:
# Allow dns resolution
- port: 53
protocol: UDP
- port: 53
protocol: TCP
# Allow port 80 forAWS metadata API
- port: 80
# Allow access to kube-apiserver
{{- range $port := .Values.agent.networkPolicy.kubeAPIServerPorts }}
- port: {{ $port }}
{{- end }}
# Allow outbound connections to server
- ports:
- port: {{ .Values.server.containerPort }}
to:
- podSelector:
matchLabels: {{- include "common.labels.matchLabels" ( dict "customLabels" .Values.commonLabels "context" $ ) | nindent 14 }}
app.kubernetes.io/component: server
{{- if .Values.agent.networkPolicy.extraEgress }}
{{- include "common.tplvalues.render" ( dict "value" .Values.agent.networkPolicy.extraEgress "context" $ ) | nindent 4 }}
{{- end }}
{{- end }}
ingress:
{{- if .Values.agent.metrics.enabled }}
- ports:
- port: {{ .Values.agent.metrics.port }}
{{- if not .Values.agent.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.agent.networkPolicy.ingressNSMatchLabels }}
- namespaceSelector:
matchLabels:
{{- range $key, $value := .Values.agent.networkPolicy.ingressNSMatchLabels }}
{{ $key | quote }}: {{ $value | quote }}
{{- end }}
{{- if .Values.agent.networkPolicy.ingressNSPodMatchLabels }}
podSelector:
matchLabels:
{{- range $key, $value := .Values.agent.networkPolicy.ingressNSPodMatchLabels }}
{{ $key | quote }}: {{ $value | quote }}
{{- end }}
{{- end }}
{{- end }}
{{- end }}
{{- end }}
{{- if .Values.agent.networkPolicy.extraIngress }}
{{- include "common.tplvalues.render" ( dict "value" .Values.agent.networkPolicy.extraIngress "context" $ ) | nindent 4 }}
{{- end }}
{{- end }}

77
bitnami/kiam/templates/server/server-networkpolicy.yaml Normal file
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@@ -0,0 +1,77 @@
{{- /*
Copyright VMware, Inc.
SPDX-License-Identifier: APACHE-2.0
*/}}
{{- if .Values.server.networkPolicy.enabled }}
kind: NetworkPolicy
apiVersion: {{ include "common.capabilities.networkPolicy.apiVersion" . }}
metadata:
name: {{ template "common.names.fullname" . }}-server
namespace: {{ include "common.names.namespace" . | quote }}
labels: {{- include "common.labels.standard" ( dict "customLabels" .Values.commonLabels "context" $ ) | nindent 4 }}
app.kubernetes.io/component: server
{{- 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.server.podLabels .Values.commonLabels ) "context" . ) }}
podSelector:
matchLabels: {{- include "common.labels.matchLabels" ( dict "customLabels" $podLabels "context" $ ) | nindent 6 }}
app.kubernetes.io/component: server
policyTypes:
- Ingress
- Egress
{{- if .Values.server.networkPolicy.allowExternalEgress }}
egress:
- {}
{{- else }}
egress:
# Allow dns resolution
- ports:
- port: 53
protocol: UDP
- port: 53
protocol: TCP
# Allow port 80 forAWS metadata API
- port: 80
# Allow access to kube-apiserver
{{- range $port := .Values.server.networkPolicy.kubeAPIServerPorts }}
- port: {{ $port }}
{{- end }}
{{- if .Values.server.networkPolicy.extraEgress }}
{{- include "common.tplvalues.render" ( dict "value" .Values.server.networkPolicy.extraEgress "context" $ ) | nindent 4 }}
{{- end }}
{{- end }}
ingress:
- ports:
- port: {{ .Values.server.containerPort }}
{{- if .Values.server.metrics.enabled }}
- port: {{ .Values.server.metrics.port }}
{{- end }}
{{- if not .Values.server.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.server.networkPolicy.ingressNSMatchLabels }}
- namespaceSelector:
matchLabels:
{{- range $key, $value := .Values.server.networkPolicy.ingressNSMatchLabels }}
{{ $key | quote }}: {{ $value | quote }}
{{- end }}
{{- if .Values.server.networkPolicy.ingressNSPodMatchLabels }}
podSelector:
matchLabels:
{{- range $key, $value := .Values.server.networkPolicy.ingressNSPodMatchLabels }}
{{ $key | quote }}: {{ $value | quote }}
{{- end }}
{{- end }}
{{- end }}
{{- end }}
{{- if .Values.server.networkPolicy.extraIngress }}
{{- include "common.tplvalues.render" ( dict "value" .Values.server.networkPolicy.extraIngress "context" $ ) | nindent 4 }}
{{- end }}
{{- end }}

114
bitnami/kiam/values.yaml
View File

@@ -436,6 +436,65 @@ server:
##
sessionAffinityConfig: {}
## Network Policies
## Ref: https://kubernetes.io/docs/concepts/services-networking/network-policies/
##
networkPolicy:
## @param server.networkPolicy.enabled Specifies whether a NetworkPolicy should be created
##
enabled: true
## @param server.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 server.networkPolicy.allowExternalEgress Allow the pod to access any range of port and all destinations.
##
allowExternalEgress: true
## @param server.networkPolicy.kubeAPIServerPorts [array] List of possible endpoints to kube-apiserver (limit to your cluster settings to increase security)
##
kubeAPIServerPorts: [443, 6443, 8443]
## @param server.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 server.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 server.networkPolicy.ingressNSMatchLabels [object] Labels to match to allow traffic from other namespaces
## @param server.networkPolicy.ingressNSPodMatchLabels [object] Pod labels to match to allow traffic from other namespaces
##
ingressNSMatchLabels: {}
ingressNSPodMatchLabels: {}
## @section kiam server Service Account parameters
## Kiam server Service Account
@@ -868,6 +927,61 @@ agent:
## timeoutSeconds: 300
##
sessionAffinityConfig: {}
## Network Policies
## Ref: https://kubernetes.io/docs/concepts/services-networking/network-policies/
##
networkPolicy:
## @param agent.networkPolicy.enabled Specifies whether a NetworkPolicy should be created
##
enabled: true
## @param agent.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 agent.networkPolicy.allowExternalEgress Allow the pod to access any range of port and all destinations.
##
allowExternalEgress: true
## @param agent.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 agent.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 agent.networkPolicy.ingressNSMatchLabels [object] Labels to match to allow traffic from other namespaces
## @param agent.networkPolicy.ingressNSPodMatchLabels [object] Pod labels to match to allow traffic from other namespaces
##
ingressNSMatchLabels: {}
ingressNSPodMatchLabels: {}
## @section kiam agent Service Account parameters