73 lines
1.8 KiB
YAML
73 lines
1.8 KiB
YAML
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# Allow Option A backup Jobs to reach kube-api, DNS, and HTTPS offsite (Nextcloud).
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# databases/ has default-deny; CNPG cluster pods already have kube-api egress by label.
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apiVersion: networking.k8s.io/v1
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kind: NetworkPolicy
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metadata:
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name: allow-egress-cnpg-option-a-backup
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namespace: databases
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labels:
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app.kubernetes.io/part-of: railiance-apps
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railiance.apps/backup-lane: option-a
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spec:
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podSelector:
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matchLabels:
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railiance.apps/backup-lane: option-a
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policyTypes:
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- Egress
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egress:
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# kube-api (in-cluster service + node port forms)
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- ports:
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- port: 443
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protocol: TCP
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- port: 6443
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protocol: TCP
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# DNS
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- ports:
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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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# Nextcloud WebDAV HTTPS (and general HTTPS for future mirrors)
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- ports:
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- port: 443
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protocol: TCP
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to:
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- namespaceSelector: {}
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# allow all namespaces + external via empty podSelector not possible;
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# for external CIDR use 0.0.0.0/0
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- ipBlock:
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cidr: 0.0.0.0/0
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---
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# Some CNI stacks need separate CIDR-only rules for kube-api ClusterIP
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apiVersion: networking.k8s.io/v1
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kind: NetworkPolicy
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metadata:
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name: allow-egress-cnpg-option-a-backup-kubeapi-cidr
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namespace: databases
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labels:
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app.kubernetes.io/part-of: railiance-apps
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railiance.apps/backup-lane: option-a
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spec:
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podSelector:
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matchLabels:
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railiance.apps/backup-lane: option-a
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policyTypes:
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- Egress
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egress:
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- to:
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- ipBlock:
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cidr: 10.43.0.0/16
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ports:
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- port: 443
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protocol: TCP
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- port: 6443
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protocol: TCP
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- to:
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- ipBlock:
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cidr: 10.42.0.0/16
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ports:
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- port: 443
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protocol: TCP
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- port: 6443
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protocol: TCP
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