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Scooby Husky
a3e0ae3427
The chosen ports (12379/12380) actually fell inside the existing
GameServer port-forward's range (4000-50000) on the UniFi router,
confirmed live when creating the rule ('Port 12379 conflicts with port
4000-50000 used by GameServer'). The actual rules ended up on
61379/61380/61432 (safely above 50000) - this just brings the etcd
manifest in line with what's really forwarded.
119 lines
3.8 KiB
YAML
119 lines
3.8 KiB
YAML
---
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# Home's member of the 3-way etcd quorum used by the failover-watcher
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# (see /home/scooby/.claude/plans/jiggly-snacking-iverson.md, "Multi-Site
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# Active Failover" section) to safely decide when to trigger a CNPG
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# distributed-topology promotion. VPS and witness run this same etcd
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# version as plain systemd services (simpler - no k3s/Kyverno involved
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# there); home has to run it as a real K8s workload since Talos doesn't
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# allow bare-metal process installs.
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#
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# Pinned to a specific node (talos-cp-01) via nodeSelector so its
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# advertised peer/client URLs (which must be stable, not "whichever node
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# it landed on today") stay correct.
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#
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# Reachable from the VPS/witness via a UniFi WAN port-forward + a
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# source-IP-restricted WAN_IN firewall rule (limited to just the VPS and
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# witness public IPs) - NOT via the Netbird mesh directly. talos-cp-01
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# does have a real, host-bound Netbird IP (100.108.42.109 on its wt0
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# interface, confirmed live via `talosctl get addresses`), but that's a
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# dead end for inbound WAN traffic: UniFi's router only has a route to
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# its own directly-connected LAN (172.28.101.0/24), nothing advertises
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# 100.108.0.0/16 to it, so a port-forward targeting the Netbird IP would
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# never actually route. The port-forward instead targets talos-cp-01's
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# real LAN IP (172.28.101.41) - NodePort Services bind on every interface
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# on a node, so the same ports are reachable there too, and that's an
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# address UniFi can actually route to natively.
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#
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# The NodePort Service itself needs
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# infrastructure/kyverno/policies/ha-failover-nodeport-exception.yaml
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# (disallow-nodeport-services is enforced cluster-wide otherwise).
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apiVersion: v1
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kind: Namespace
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metadata:
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name: ha-failover
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---
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apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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name: ha-etcd
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namespace: ha-failover
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spec:
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serviceName: ha-etcd
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replicas: 1
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selector:
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matchLabels:
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app: ha-etcd
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template:
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metadata:
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labels:
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app: ha-etcd
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spec:
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nodeSelector:
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kubernetes.io/hostname: talos-cp-01
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securityContext:
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runAsNonRoot: true
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runAsUser: 1000
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fsGroup: 1000
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seccompProfile:
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type: RuntimeDefault
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containers:
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- name: etcd
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image: gcr.io/etcd-development/etcd:v3.5.17
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securityContext:
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allowPrivilegeEscalation: false
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capabilities:
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drop: ["ALL"]
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command:
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- etcd
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- --name=home
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- --data-dir=/var/lib/etcd/data
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- --listen-client-urls=http://0.0.0.0:2379
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- --advertise-client-urls=http://home.kube.huskypup.net:61379
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- --listen-peer-urls=http://0.0.0.0:2380
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- --initial-advertise-peer-urls=http://home.kube.huskypup.net:61380
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- --initial-cluster=home=http://home.kube.huskypup.net:61380,vps=http://100.108.113.41:2380,witness=http://100.108.130.74:2380
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- --initial-cluster-state=new
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- --initial-cluster-token=ha-failover-quorum
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ports:
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- containerPort: 2379
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name: client
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- containerPort: 2380
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name: peer
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volumeMounts:
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- name: data
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mountPath: /var/lib/etcd
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resources:
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requests:
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cpu: 25m
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memory: 64Mi
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limits:
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memory: 256Mi
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volumeClaimTemplates:
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- metadata:
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name: data
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spec:
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accessModes: ["ReadWriteOnce"]
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storageClassName: rook-ceph-block
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resources:
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requests:
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storage: 1Gi
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: ha-etcd
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namespace: ha-failover
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spec:
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type: NodePort
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selector:
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app: ha-etcd
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ports:
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- name: client
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port: 2379
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targetPort: 2379
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nodePort: 32379
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- name: peer
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port: 2380
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targetPort: 2380
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nodePort: 32380
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