writeImage drops bash -c/printf for GuestExecStdin(img+\n -> tee /etc/felhom-controller-image);
new Runner.RunStdin/GuestExecStdin route stdin through the fenced sudo -n runner. 5 narrow,
auditable sudoers grants (no general pct exec, no bash -c) + capability manifest entries (Critical)
so the self-probe watches them and the build-test asserts coverage (companion red-proof). No
controller change; swap orchestration/rollback/state unchanged. Spike GO.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EPZ4GJ8L5Jqf8UiPwbn1kt
Stand up the felhom-agent project (module gitea.dooplex.hu/admin/felhom-agent,
binary felhom-agent) and the internal/proxmox package: the typed library every
other agent module calls to talk to Proxmox.
- API-first Client (hand-rolled REST over net/http, PVEAPIToken auth) with typed
read ops (version/nodes/status/lxc/config/storage) and async mutating ops
(restore/vzdump/snapshot/rollback/delete-snapshot/setconfig/start/stop), each
returning a UPID. WaitTask polls task status until stopped and asserts
exitstatus OK (authz can surface at task exec, not the POST — phase1-2 §1.3).
- Fenced Privileged (root-CLI) backend for the THREE proven exceptions only
(keyctl pct create, USB mount/fstab, SMART/sensors); each cites why it can't be
the API. Fence is structural (Client never shells out, Privileged never HTTPs)
and asserted in routing_test.go.
- TLS: SHA-256 leaf-cert pinning or CA file; insecure mode explicit + off by
default. No blanket verification disable.
- 403 -> privilege-named APIError; failed task -> privilege-named TaskError.
- JSON config + env overrides (token never logged); slog logging.
- cmd/felhom-agent --selftest (read-only health report) + gated --selftest=task
(reversible snapshot/rollback/delete exercise of WaitTask). No daemon loop yet.
- Types grounded in the spike findings and exact JSON shapes captured live from
demo-felhom (PVE 9.2.2). Unit tests use a mock transport + runner.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
admin