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feat: egress netpols
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wittdennis committed Dec 27, 2024
1 parent cb76bff commit 385c903
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Showing 3 changed files with 64 additions and 76 deletions.
36 changes: 15 additions & 21 deletions cloud/networking/network-policies/allow-kube-apiserver-traffic.yaml
Original file line number Diff line number Diff line change
@@ -1,21 +1,15 @@
# ---
# apiVersion: cilium.io/v2
# kind: CiliumNetworkPolicy
# metadata:
# name: allow-kube-apiserver-traffic
# spec:
# endpointSelector:
# matchLabels:
# network-policy/allow-kube-apiserver-traffic: apply
# ingress:
# - fromEntities:
# - kube-apiserver
# egress:
# - toEntities:
# - kube-apiserver
# toPorts:
# - ports:
# - port: "443"
# protocol: TCP
# rules:
# http: [{}]
---
apiVersion: cilium.io/v2
kind: CiliumNetworkPolicy
metadata:
name: allow-kube-apiserver-traffic
spec:
endpointSelector:
matchLabels:
network-policy/allow-kube-apiserver-traffic: apply
ingress:
- fromEntities:
- kube-apiserver
egress:
- toEntities:
- kube-apiserver
48 changes: 21 additions & 27 deletions cloud/networking/network-policies/allow-minio-traffic.yaml
Original file line number Diff line number Diff line change
@@ -1,27 +1,21 @@
# ---
# apiVersion: cilium.io/v2
# kind: CiliumNetworkPolicy
# metadata:
# name: allow-minio-traffic
# spec:
# endpointSelector:
# matchLabels:
# network-policy/allow-minio-traffic: apply
# ingress:
# - fromEndpoints:
# - matchLabels:
# app: minio
# v1.min.io/tenant: default
# io.kubernetes.pod.namespace: storage
# egress:
# - toEndpoints:
# - matchLabels:
# app: minio
# v1.min.io/tenant: default
# io.kubernetes.pod.namespace: storage
# toPorts:
# - ports:
# - port: "9000"
# protocol: TCP
# rules:
# http: [{}]
---
apiVersion: cilium.io/v2
kind: CiliumNetworkPolicy
metadata:
name: allow-minio-traffic
spec:
endpointSelector:
matchLabels:
network-policy/allow-minio-traffic: apply
ingress:
- fromEndpoints:
- matchLabels:
app: minio
v1.min.io/tenant: default
io.kubernetes.pod.namespace: storage
egress:
- toEndpoints:
- matchLabels:
app: minio
v1.min.io/tenant: default
io.kubernetes.pod.namespace: storage
56 changes: 28 additions & 28 deletions cloud/networking/network-policies/default-deny-egress.yaml
Original file line number Diff line number Diff line change
@@ -1,28 +1,28 @@
# ---
# apiVersion: cilium.io/v2
# kind: CiliumNetworkPolicy
# metadata:
# name: default-deny-egress
# namespace: foundry
# spec:
# endpointSelector: {}
# egress:
# # DNS
# - toEndpoints:
# - matchLabels:
# io.kubernetes.pod.namespace: kube-system
# k8s-app: kube-dns
# toPorts:
# - ports:
# - port: "53"
# protocol: UDP
# rules:
# dns:
# - matchPattern: "*"
# # ingress-nginx
# - toEndpoints:
# - matchLabels:
# app.kubernetes.io/name: ingress-nginx
# app.kubernetes.io/instance: ingress-nginx
# app.kubernetes.io/component: controller
# io.kubernetes.pod.namespace: ingress-nginx
---
apiVersion: cilium.io/v2
kind: CiliumNetworkPolicy
metadata:
name: default-deny-egress
namespace: foundry
spec:
endpointSelector: {}
egress:
# DNS
- toEndpoints:
- matchLabels:
io.kubernetes.pod.namespace: kube-system
k8s-app: kube-dns
toPorts:
- ports:
- port: "53"
protocol: UDP
rules:
dns:
- matchPattern: "*"
# ingress-nginx
- toEndpoints:
- matchLabels:
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/component: controller
io.kubernetes.pod.namespace: ingress-nginx

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