Files
home-network-k3s-impl/bootstrap/sops/secret-templates/alertmanager-smtp.yaml.example
T
jakman85andClaude Opus 4.8 a108d5ab98 correction: credential-forward + unified graph; activate SOPS (author-first)
Operator directive: don't diverge architecture to avoid asking for credentials;
provision them upfront via SOPS and keep the existing (unified) graph.

Roadmap reconciliation: Phase 2 = Network/Storage/TLS/DNS/Ingress, so
cert-manager/externaldns/gateway (the credential-gated pieces) ARE Phase 2;
monitoring is Phase 4. Earlier A2/rollout scope was inverted by credential-avoidance.

Reverts (credential-driven): remove clusters/dev/rollout/ + the $patch:delete's;
restore unified base graph (dev = ../base + cluster-vars + SOPS decryption,
R-ENV-02 intact); restore monitoring files (Phase 4). Kept non-credential
improvements: tofu for_each/rejoin, Kyverno parametrization + webhook excludes.

platform/kustomization.yaml now phased (single shared list): Phase-2 set =
kyverno, cilium, longhorn, cert-manager, externaldns, gateway; later components
commented with phase markers.

SOPS activated: .sops.yaml at repo root; bootstrap/sops/secret-templates/*.yaml.example
for all secrets (cloudflare x2, grafana, alertmanager-smtp, keycloak, oauth2-proxy, pia);
bootstrap/sops/CREDENTIALS.md checklist; pre-wired commented cloudflare-api-token lines
in cert-manager + externaldns; filled non-secret ACME email. Agents never touch real
secret values (operator encrypts).

Validated: kubectl kustomize dev(unified)/prod/platform(Phase-2 only), templates inert,
make -C ci gate PASS.

Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>
2026-08-16 22:09:20 -05:00

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# =============================================================================
# TEMPLATE — NOT APPLIED, NOT ENCRYPTED (.yaml.example is ignored by kustomize
# and never auto-encrypted by SOPS). Reference scaffold only.
#
# (a) Copy to: platform/monitoring/alertmanager-smtp.sops.yaml
# (b) kustomization: add this line under `resources:` in
# platform/monitoring/kustomization.yaml
# - alertmanager-smtp.sops.yaml
# (c) Encrypt: sops -e -i platform/monitoring/alertmanager-smtp.sops.yaml
# (d) Consumed by: Alertmanager (kube-prometheus-stack). Only the SMTP
# PASSWORD lives here. It is mounted at
# /etc/alertmanager/secrets/alertmanager-smtp/smtp-password. [Phase 4]
#
# NOTE: The non-secret SMTP endpoint fields — smtp_smarthost, smtp_from,
# smtp_auth_username, and the receiver `to:` addresses — are configured in
# platform/monitoring/kube-prometheus-stack.yaml (currently REPLACE-ME
# placeholders there). Only the password is this secret.
# =============================================================================
apiVersion: v1
kind: Secret
metadata:
name: alertmanager-smtp
namespace: monitoring
type: Opaque
stringData:
smtp-password: REPLACE-ME