Remove deprecated Argo CD application configurations and related files for noble cluster, including root-application.yaml, kustomization.yaml, and individual application manifests for argocd, cilium, longhorn, kube-vip, and monitoring components. Update kube-vip daemonset.yaml to enhance deployment strategy and environment variables for improved configuration.
This commit is contained in:
Nikholas Pcenicni
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talos/CLUSTER-BUILD.md
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talos/CLUSTER-BUILD.md
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# Noble lab — Talos cluster build checklist
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This document is the **exported TODO** for the **noble** Talos cluster (4 nodes). Commands and troubleshooting live in [`README.md`](./README.md).
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## Current state (2026-03-28)
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- **Talos** v1.12.6 (target) / **Kubernetes** as bundled — four nodes **Ready** unless upgrading; **`talosctl health`**; **`talos/kubeconfig`** for `kubectl` (root `kubeconfig` may still be a stub). **Image Factory (nocloud installer):** `factory.talos.dev/nocloud-installer/249d9135de54962744e917cfe654117000cba369f9152fbab9d055a00aa3664f:v1.12.6`
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- **Cilium** Helm **1.16.6** / app **1.16.6** (`clusters/noble/apps/cilium/`, phase 1 values).
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- **MetalLB** Helm **0.15.3** / app **v0.15.3**; **IPAddressPool** `noble-l2` + **L2Advertisement** — pool **`192.168.50.210`–`192.168.50.229`**.
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- **kube-vip** DaemonSet **3/3** on control planes; VIP **`192.168.50.230`** on **`ens18`** (`vip_subnet` **`/32`** required — bare **`32`** breaks parsing). **Verified from workstation:** `kubectl config set-cluster noble --server=https://192.168.50.230:6443` then **`kubectl get --raw /healthz`** → **`ok`** (`talos/kubeconfig`; see `talos/README.md`).
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- **metrics-server** Helm **3.13.0** / app **v0.8.0** — `clusters/noble/apps/metrics-server/values.yaml` (`--kubelet-insecure-tls` for Talos); **`kubectl top nodes`** works.
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- **Still open:** Longhorn, Traefik, cert-manager, Argo CD, observability — checklist below.
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## Inventory
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| Host | Role | IP |
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|------|------|-----|
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| helium | worker | `192.168.50.10` |
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| neon | control-plane + worker | `192.168.50.20` |
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| argon | control-plane + worker | `192.168.50.30` |
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| krypton | control-plane + worker | `192.168.50.40` |
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## Network reservations
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| Use | Value |
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|-----|--------|
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| Kubernetes API VIP (kube-vip) | `192.168.50.230` (see `talos/README.md`; align with `talos/talconfig.yaml` `additionalApiServerCertSans`) |
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| MetalLB L2 pool | `192.168.50.210`–`192.168.50.229` |
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| Argo CD `LoadBalancer` | **Pick one IP** in the MetalLB pool (e.g. `192.168.50.210`) |
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| Apps ingress DNS | `*.apps.noble.lab.pcenicni.dev` |
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| ExternalDNS | Pangolin (map to supported ExternalDNS provider when documented) |
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| Velero | S3-compatible URL — configure later |
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## Versions
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- Talos: **v1.12.6** — align `talosctl` client with node image
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- Talos **Image Factory** (iscsi-tools + util-linux-tools): **`factory.talos.dev/nocloud-installer/249d9135de54962744e917cfe654117000cba369f9152fbab9d055a00aa3664f:v1.12.6`** — same schematic must appear in **`machine.install.image`** after `talhelper genconfig` (bare metal may use `metal-installer/` instead of `nocloud-installer/`)
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- Kubernetes: **1.35.2** on current nodes (bundled with Talos; not pinned in repo)
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- Cilium: **1.16.6** (Helm chart; see `clusters/noble/apps/cilium/README.md`)
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- MetalLB: **0.15.3** (Helm chart; app **v0.15.3**)
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- metrics-server: **3.13.0** (Helm chart; app **v0.8.0**)
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## Repo paths (this workspace)
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| Artifact | Path |
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|----------|------|
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| This checklist | `talos/CLUSTER-BUILD.md` |
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| Talos quick start + networking + kubeconfig | `talos/README.md` |
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| talhelper source (active) | `talos/talconfig.yaml` — may be **wipe-phase** (no Longhorn volume) during disk recovery |
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| Longhorn volume restore | `talos/talconfig.with-longhorn.yaml` — copy to `talconfig.yaml` after GPT wipe (see `talos/README.md` §5) |
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| Longhorn GPT wipe automation | `talos/scripts/longhorn-gpt-recovery.sh` |
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| kube-vip (kustomize) | `clusters/noble/apps/kube-vip/` (`vip_interface` e.g. `ens18`) |
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| Cilium (Helm values) | `clusters/noble/apps/cilium/` — `values.yaml` (phase 1), optional `values-kpr.yaml`, `README.md` |
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| MetalLB | `clusters/noble/apps/metallb/` — `namespace.yaml` (PSA **privileged**), `ip-address-pool.yaml`, `kustomization.yaml`, `README.md` |
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| Longhorn Helm values | `clusters/noble/apps/longhorn/values.yaml` |
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| metrics-server (Helm values) | `clusters/noble/apps/metrics-server/values.yaml` |
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**Git vs cluster:** manifests and `talconfig` live in git; **`talhelper genconfig -o out`**, bootstrap, Helm, and `kubectl` run on your LAN. See **`talos/README.md`** for workstation reachability (lab LAN/VPN), **`talosctl kubeconfig`** vs Kubernetes `server:` (VIP vs node IP), and **`--insecure`** only in maintenance.
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## Ordering (do not skip)
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1. **Talos** installed; **Cilium** (or chosen CNI) **before** most workloads — with `cni: none`, nodes stay **NotReady** / **network-unavailable** taint until CNI is up.
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2. **MetalLB Helm chart** (CRDs + controller) **before** `kubectl apply -k` on the pool manifests.
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3. **`clusters/noble/apps/metallb/namespace.yaml`** before or merged onto `metallb-system` so Pod Security does not block speaker (see `apps/metallb/README.md`).
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4. **Longhorn:** Talos user volume + extensions in `talconfig.with-longhorn.yaml` (when restored); Helm **`defaultDataPath`** in `clusters/noble/apps/longhorn/values.yaml`.
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## Prerequisites (before phases)
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- [x] `talos/talconfig.yaml` checked in (VIP, API SANs, `cni: none`, `iscsi-tools` / `util-linux-tools` in schematic) — run `talhelper validate talconfig talconfig.yaml` after edits
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- [x] Workstation on a **routable path** to node IPs or VIP (same LAN / VPN); `talos/README.md` §3 if `kubectl` hits wrong `server:` or `network is unreachable`
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- [x] `talosctl` client matches node Talos version; `talhelper` for `genconfig`
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- [x] Node static IPs (helium, neon, argon, krypton)
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- [x] DHCP does not lease `192.168.50.210`–`229`, `230`, or node IPs
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- [x] DNS for API and apps as in `talos/README.md`
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- [x] Git remote ready for Argo CD (argo-cd)
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- [x] **`talos/kubeconfig`** from `talosctl kubeconfig` — root repo `kubeconfig` is a stub until populated
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## Phase A — Talos bootstrap + API VIP
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- [x] `talhelper gensecret` → `talhelper genconfig -o out` (re-run `genconfig` after every `talconfig` edit)
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- [x] `apply-config` all nodes (`talos/README.md` §2 — **no** `--insecure` after nodes join; use `TALOSCONFIG`)
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- [x] `talosctl bootstrap` once; other control planes and worker join
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- [x] `talosctl kubeconfig` → working `kubectl` (`talos/README.md` §3 — override `server:` if VIP not reachable from workstation)
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- [x] **kube-vip manifests** in `clusters/noble/apps/kube-vip`
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- [x] kube-vip healthy; `vip_interface` matches uplink (`talosctl get links`); VIP reachable where needed
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- [x] `talosctl health` (e.g. `talosctl health -n 192.168.50.20` with `TALOSCONFIG` set)
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## Phase B — Core platform
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**Install order:** **Cilium** → **metrics-server** → **Longhorn** (Talos disk + Helm) → **MetalLB** (Helm → pool manifests) → ingress / certs / DNS as planned.
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- [x] **Cilium** (Helm **1.16.6**) — **required** before MetalLB if `cni: none` (`clusters/noble/apps/cilium/`)
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- [x] **metrics-server** — Helm **3.13.0**; values in `clusters/noble/apps/metrics-server/values.yaml`; verify `kubectl top nodes`
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- [ ] **Longhorn** — Talos: `talconfig.with-longhorn.yaml` + `talos/README.md` §5; Helm: `clusters/noble/apps/longhorn/values.yaml` (`defaultDataPath` `/var/mnt/longhorn`)
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- [x] **MetalLB** — chart installed; **pool + L2** from `clusters/noble/apps/metallb/` applied (`192.168.50.210`–`229`)
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- [ ] **`Service` `LoadBalancer`** test — assign an IP from `210`–`229` (e.g. dummy `LoadBalancer` or Traefik)
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- [ ] **Traefik** `LoadBalancer` for `*.apps.noble.lab.pcenicni.dev`
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- [ ] **cert-manager** + ClusterIssuer (staging → prod)
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- [ ] **ExternalDNS** (Pangolin-compatible provider)
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## Phase C — GitOps
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- [ ] **Argo CD** bootstrap (`clusters/noble/bootstrap/argocd`, root app) — path TBD when added
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- [ ] Argo CD server **LoadBalancer** with dedicated pool IP
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- [ ] SSO — later
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## Phase D — Observability
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- [ ] **kube-prometheus-stack** (PVCs on Longhorn)
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- [ ] **Loki** + **Fluent Bit**; Grafana datasource
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## Phase E — Secrets
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- [ ] **Sealed Secrets** (optional Git workflow)
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- [ ] **Vault** in-cluster on Longhorn + **auto-unseal**
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- [ ] **External Secrets Operator** + Vault `ClusterSecretStore`
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## Phase F — Policy + backups
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- [ ] **Kyverno** baseline policies
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- [ ] **Velero** when S3 is ready; backup/restore drill
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## Phase G — Hardening
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- [ ] RBAC, network policies (Cilium), Alertmanager routes
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- [ ] Runbooks: API VIP, etcd, Longhorn, Vault
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## Quick validation
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- [x] `kubectl get nodes` — all **Ready**
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- [x] API via VIP `:6443` — **`kubectl get --raw /healthz`** → **`ok`** with kubeconfig **`server:`** `https://192.168.50.230:6443`
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- [ ] Test `LoadBalancer` receives IP from `210`–`229`
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- [ ] Sample Ingress + cert + ExternalDNS record
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- [ ] PVC bound; Prometheus/Loki durable if configured
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---
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*Keep in sync with `talos/README.md` and manifests under `clusters/noble/`.*
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