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DNS single-source Phase 1 + decommission Tailscale fleet-wide

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Phase 1 of the DNS-redundancy cleanup (keep NetBird, collapse toward one
zone) — the safe, mesh-independent half:

- Every homelab LXC now resolves via Technitium (192.168.8.2). Fixed 8
  boxes on a dead resolver (.180), the router (.1), or Tailscale MagicDNS
  (100.100.100.100): 101,102,104,105,106,114,119,126.
- Removed the redundant /etc/hosts auth/mcp/secrets overrides (Technitium
  returns identical-or-better answers); disabled hubris-hosts-override.
- Net effect: on-prem DNS (LXCs + household via Fritz!Box->Technitium) is
  now NetBird-independent, so dropping the managed zone later can't break
  on-LAN resolution. Phases 2-4 still pending.

Tailscale decommissioned (was legacy/being-phased-out):
- Removed from the 6 LXCs still running it (101,103,104,105,114,119):
  logout, disable tailscaled, apt purge, state cleared.
- inventory.yaml: dropped tailscale from accepted + all mesh blocks;
  regenerated hosts/*.yaml (also pruned orphan authentik/claudio-bot).
- Tightened secrets-issuance MESH_SUBNETS: removed the now-vestigial
  Tailscale CGNAT range 100.64.0.0/10.
- Updated narrative docs (mesh, dns, network, README, AGENTS,
  agent-enrollment, homelab-context, 105-apps, 107-dns).

Live infra changed on the fleet + Mac; this commit records the docs/inventory.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
authentik Default Admin
2026-06-21 15:14:07 +02:00
parent a5da521751
commit 85457095e4
31 changed files with 44 additions and 161 deletions
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operations/agent-enrollment.md
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@@ -18,7 +18,7 @@ operational reference is here.
| --- | --- | --- |
| Hostname matches an entry in `inventory.yaml` | The bootstrap looks up `hosts/$(hostname).yaml`. | `hostname` (Linux) / `scutil --get LocalHostName` (macOS) |
| OS is Linux or macOS | bootstrap detects via `uname -s` | `uname -s` |
| On the mesh (Netbird or Tailscale) **or** on the LAN | issuance is gated to mesh + LAN subnets. **For Netbird: use a setup-key, not interactive auth** — see "Getting onto Netbird" below. | `netbird status` / `tailscale status` |
| On the Netbird mesh **or** on the LAN | issuance is gated to mesh + LAN subnets. **For Netbird: use a setup-key, not interactive auth** — see "Getting onto Netbird" below. | `netbird status` |
| `git`, `python3`, `python3-yaml`, `age`, `sops` | bootstrap preflight; `homelab` CLI imports yaml | See per-OS commands below |
| Can resolve `*.hubris.network` | bootstrap calls `https://secrets.hubris.network/issue` and writes `https://mcp.hubris.network/mcp` | `dig +short mcp.hubris.network` (should return `192.168.8.175`) |