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Update cert-manager configurations to use DNS-01 challenge with Cloudflare for both production and staging ClusterIssuers. Modify README.md to reflect the new DNS-01 setup and provide instructions for creating the necessary Cloudflare API token secret. This change enhances certificate issuance reliability when using Cloudflare's proxy services.

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Nikholas Pcenicni
2026-03-28 02:41:51 -04:00
parent ee7669c788
commit fc985932fe
4 changed files with 32 additions and 8 deletions
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talos/CLUSTER-BUILD.md
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@@ -13,7 +13,7 @@ Lab stack is **up** on-cluster through **Phase D**–**F** and **Phase G** (Vaul
- **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.
- **Longhorn** Helm **1.11.1** / app **v1.11.1** — `clusters/noble/apps/longhorn/` (PSA **privileged** namespace, `defaultDataPath` `/var/mnt/longhorn`, `preUpgradeChecker` enabled); **StorageClass** `longhorn` (default); **`nodes.longhorn.io`** all **Ready**; test **PVC** `Bound` on `longhorn`.
- **Traefik** Helm **39.0.6** / app **v3.6.11** — `clusters/noble/apps/traefik/`; **`Service`** **`LoadBalancer`** **`EXTERNAL-IP` `192.168.50.211`**; **`IngressClass`** **`traefik`** (default). Point **`*.apps.noble.lab.pcenicni.dev`** at **`192.168.50.211`**. MetalLB pool verification was done before replacing the temporary nginx test with Traefik.
- **cert-manager** Helm **v1.20.0** / app **v1.20.0** — `clusters/noble/apps/cert-manager/`; **`ClusterIssuer`** **`letsencrypt-staging`** and **`letsencrypt-prod`** (HTTP-01, ingress class **`traefik`**); ACME email **`certificates@noble.lab.pcenicni.dev`** (edit in manifests if you want a different mailbox).
- **cert-manager** Helm **v1.20.0** / app **v1.20.0** — `clusters/noble/apps/cert-manager/`; **`ClusterIssuer`** **`letsencrypt-staging`** and **`letsencrypt-prod`** (**DNS-01** via **Cloudflare** for **`pcenicni.dev`**, Secret **`cloudflare-dns-api-token`** in **`cert-manager`**); ACME email **`certificates@noble.lab.pcenicni.dev`** (edit in manifests if you want a different mailbox).
- **Newt** Helm **1.2.0** / app **1.10.1** — `clusters/noble/apps/newt/` (**fossorial/newt**); Pangolin site tunnel — **`newt-pangolin-auth`** Secret (**`PANGOLIN_ENDPOINT`**, **`NEWT_ID`**, **`NEWT_SECRET`**). Prefer a **SealedSecret** in git (`kubeseal` — see `clusters/noble/apps/sealed-secrets/examples/`) after rotating credentials if they were exposed. **Public DNS** is **not** automated with ExternalDNS: **CNAME** records at your DNS host per Pangolin’s domain instructions, plus **Integration API** for HTTP resources/targets — see **`clusters/noble/apps/newt/README.md`**. LAN access to Traefik can still use **`*.apps.noble.lab.pcenicni.dev`** → **`192.168.50.211`** (split horizon / local resolver).
- **Argo CD** Helm **9.4.17** / app **v3.3.6** — `clusters/noble/bootstrap/argocd/`; **`argocd-server`** **`LoadBalancer`** **`192.168.50.210`**; app-of-apps scaffold under **`bootstrap/argocd/apps/`** (edit **`root-application.yaml`** `repoURL` before applying).
- **kube-prometheus-stack** — Helm chart **82.15.1** — `clusters/noble/apps/kube-prometheus-stack/` (**namespace** `monitoring`, PSA **privileged** — **node-exporter** needs host mounts); **Longhorn** PVCs for Prometheus, Grafana, Alertmanager; **node-exporter** DaemonSet **4/4**. **Grafana Ingress:** **`https://grafana.apps.noble.lab.pcenicni.dev`** (Traefik **`ingressClassName: traefik`**, **`cert-manager.io/cluster-issuer: letsencrypt-prod`**). **Loki** datasource in Grafana: ConfigMap **`clusters/noble/apps/grafana-loki-datasource/loki-datasource.yaml`** (sidecar label **`grafana_datasource: "1"`**) — not via **`grafana.additionalDataSources`** in the chart. **`helm upgrade --install` with `--wait` is silent until done** — use **`--timeout 30m`**; Grafana admin: Secret **`kube-prometheus-grafana`**, keys **`admin-user`** / **`admin-password`**.