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https://github.com/sredevopsorg/deepseek-kubernetes-sandbox.git
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3e9ba38fc1
Add opt-in hardening to the agents-as-a-service example: - commented runtimeClassName/nodeSelector fields for sandboxes and Deployments - optional sandbox NetworkPolicy plus exposure-variant policies - optional dsh-provider-keys-extra Secret for extra provider keys - docs/optional-hardening.md with verification, caveats and rollback The base walkthrough stays portable; no gateway code, routes or auth changed. Co-authored-by: SREDevOpsAgents <agents@sredevops.org>
81 lines
2.5 KiB
YAML
81 lines
2.5 KiB
YAML
# OPTIONAL, opt-in tenant network policy for the DSH sandboxes.
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#
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# It is NOT part of the top-level walkthrough. Apply and delete it explicitly:
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# kubectl apply -f manifests/optional/network-policy/
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# kubectl delete -f manifests/optional/network-policy/
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#
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# The selector uses the agent-sandbox controller's pod tracking label, which is
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# present on every Sandbox pod (including warm-pool spares), so the policy
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# applies to existing sandboxes without recreating them. The SandboxTemplate
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# stays networkPolicyManagement: Unmanaged. Do not also switch it to Managed
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# unless you migrate these rules into spec.networkPolicy; NetworkPolicies are
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# additive and the two configurations would be confusing.
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#
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# Requires a CNI that enforces NetworkPolicy. See docs/optional-hardening.md
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# for the connectivity matrix, DNS variants, kubelet-probe caveat and rollback.
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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: dsh-sandbox
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namespace: dsh-demo
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spec:
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podSelector:
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matchExpressions:
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- key: agents.x-k8s.io/sandbox-name-hash
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operator: Exists
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policyTypes:
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- Ingress
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- Egress
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ingress:
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# The gateway is the only intended client of a sandbox (HTTP + WebSocket).
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- from:
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- podSelector:
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matchLabels:
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app: dsh-gateway
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ports:
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- protocol: TCP
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port: 3080
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egress:
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# Cluster DNS. CoreDNS/kube-dns pods carry k8s-app=kube-dns.
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- to:
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- namespaceSelector:
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matchLabels:
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kubernetes.io/metadata.name: kube-system
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podSelector:
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matchLabels:
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k8s-app: kube-dns
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ports:
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- protocol: UDP
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port: 53
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- protocol: TCP
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port: 53
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# NodeLocal DNSCache, for clusters that do not send DNS to the kube-dns
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# Service. 169.254.20.10 is its standard link-local address.
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- to:
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- ipBlock:
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cidr: 169.254.20.10/32
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ports:
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- protocol: UDP
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port: 53
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- protocol: TCP
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port: 53
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# Public HTTPS only: provider APIs, package mirrors, git-over-HTTPS.
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# Private ranges, CGNAT and the metadata server stay blocked.
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- to:
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- ipBlock:
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cidr: 0.0.0.0/0
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except:
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- 10.0.0.0/8
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- 172.16.0.0/12
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- 192.168.0.0/16
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- 169.254.0.0/16
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- 100.64.0.0/10
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- ipBlock:
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cidr: "::/0"
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except:
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- "fc00::/7"
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- "fe80::/10"
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ports:
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- protocol: TCP
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port: 443
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