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Author SHA1 Message Date
steve ee3ee241ea P1 polish: agent-as-root, init-repo flow, rest creds passthrough, UX fixes
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Cohesive batch from a smoke-test session against a real rest-server.
Themed bullets:

* Agent runs as root, sandboxed via systemd. CapabilityBoundingSet
  drops to CAP_DAC_READ_SEARCH + restore caps; ProtectSystem=strict
  with ReadWritePaths confined to /etc + /var/lib/restic-manager;
  NoNewPrivileges blocks escalation. Install script no longer
  creates a service user. spec.md §4.2 / §14.1 / §14.3 explain the
  rationale (matches UrBackup / Veeam / Bareos defaults; trying to
  back up "everything" as an unprivileged user creates silent skips
  on /home, /root, /var/lib/* with no upside vs the threat model
  the agent already implies).

* Init-repo end-to-end. New JobKind="init" wired through agent
  runner, restic.Env.RunInit, server dispatcher, and a UI button
  (red "Initialise repo" in the run-now panel). hosts.repo_initialised_at
  flips on init success, on backup success, or on a non-empty
  snapshots.report. The "Run now" / "Init" / "Retry" branching now
  drives both the dashboard host row and the host-detail panel.
  Migrations 0004 (column), 0005 (jobs.kind CHECK widened — using
  the safe create-new-then-rename pattern; first version corrupted
  job_logs.job_id FK), 0006 (cleans up job_logs FK on already-
  affected DBs).

* rest-server creds embedded at exec time only. restic.Env gains
  RepoUsername; mergeRestCreds() builds the user:pass@-prefixed URL
  inside envSlice() and never assigns it back to the struct, so
  nothing slog-able ever sees the cleartext form. RedactURL helper
  for any future surface that needs to log a URL safely. Both
  helpers tested.

* Add-host UX. Repo password is now optional — server mints a
  24-byte URL-safe random one and surfaces it once, alongside an
  htpasswd snippet ("echo PASS | htpasswd -B -i ... USERNAME") so
  the operator pastes one command on the rest-server host and one
  on the endpoint. Result page also links the install snippet at
  /install/install.sh (was /install.sh — 404'd before) and pipes
  to bash (not sh — script uses set -o pipefail and other
  bashisms; on Debian/Ubuntu sh is dash).

* Late-subscriber race in JobHub. A fast-failing job could finish
  (DB write + Broadcast) before the browser's HX-Redirect → page
  load → WS-connect path completed, so the JS sat forever waiting
  on a job.finished that already passed. JobHub split into
  Register + Send + Run; handleJobStream now subscribes first,
  re-fetches the job, and sends a synthetic job.finished if the
  state is already terminal.

* HTMX error visibility. New toast partial listens to
  htmx:responseError and surfaces the response body as a
  bottom-right toast — every server-side validation error now
  becomes visible without per-handler JS wiring. Also handles
  custom rm:toast events for future server-pushed notifications
  via the HX-Trigger header. Themed via existing CSS vars.

* Dashboard rows are now whole-row clickable to host detail
  (CSS card-link pattern: absolute-positioned anchor + .row-action
  z-index restoration so the action button stays clickable).
  "View →" on a running job links to /jobs/<id> rather than
  /hosts/<id> since the row click already covers the host page.

* "Run first" / "Run first backup" → "Run now" everywhere for
  consistency.

* runbook (docs/e2e-smoke.md) updated — live-log streaming step
  now reflects P1-26; mentions the browser-driven Run-now flow.

* _diag/dump-creds — moved out of cmd/ so go build doesn't pick
  it up; .gitignore now excludes /_diag/ entirely.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-02 11:02:12 +01:00
steve e58917106d spec/tasks: pull repo-credential plumbing into Phase 1
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Adds P1-32/33/34: encrypted repo creds carried on the enrollment token,
agent-side AEAD secrets file, end-to-end smoke. spec.md §4.2 and §7.3
rewritten to describe the full flow (server-issued at token time,
pushed via config.update on hello, persisted encrypted on the agent)
and to make the encrypted-file-now / OS-keyring-Phase-2 split
explicit.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-01 12:32:53 +01:00
steve 41a4043af3 server: drop in-process TLS — HTTP-only behind reverse proxy
Self-hosted deployments already terminate TLS at Caddy/Traefik/nginx;
making the server do TLS too means double cert config, dual ACME
plumbing, and an untested code path. Drop RM_TLS_CERT/RM_TLS_KEY,
remove TLSEnabled() and the ListenAndServeTLS branch.

Replace the cookie's "Secure if TLS-in-process" check with a new
RM_COOKIE_SECURE flag (default true). Local HTTP-only testing sets
RM_COOKIE_SECURE=false; production is always behind a TLS proxy and
the cookie stays Secure.

Default port :8443 → :8080. docker-compose binds 127.0.0.1 only and
populates RM_TRUSTED_PROXY. spec.md §4.1/§10.1 rewritten with a
Caddyfile snippet and a hard "do not expose RM_LISTEN publicly"
warning. enrollResponse keeps cert_pin_sha256 in the shape but the
server can't introspect a cert it doesn't terminate — operator
pastes the proxy's hash into -cert-pin at install time.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-01 11:20:41 +01:00
steve 595546afb9 spec/tasks: address pre-Phase-1 design feedback
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Doc-only changes captured before any Phase 1 code lands.

spec.md:
- §4.1 nhooyr.io/websocket → github.com/coder/websocket (the
  maintained fork; the original is unmaintained)
- §4.1 RM_LISTEN documented as source of truth for the bind port;
  add RM_TRUSTED_PROXY env var for X-Forwarded-* handling behind
  Caddy/Traefik
- §4.2 Phase 1 ships Linux only; Windows binaries continue to build
  in CI to keep the codebase portable, but service integration +
  installer move to Phase 2
- §4.2 self-update via apt/choco, not bespoke signed binaries
- §5 add Host.protocol_version + Host.applied_schedule_version
- §6.2 lock protocol_version handshake semantics (clean error on
  mismatch, not weird JSON parse failures)
- §6.2 schedule reconciliation when server unreachable: agent keeps
  firing last-known-good indefinitely; server's view canonical on
  reconnect; UI surfaces drift via applied_schedule_version
- §6.2 schedule.set carries schedule_version; new schedule.ack
  agent→server message
- §10.1 cross-reference RM_LISTEN ↔ compose port mapping
- §14.3 hooks rejected at validation on non-backup schedule kinds

tasks.md:
- P1-14 / P1-30 (Windows service + install.ps1) → Phase 2 as
  P2-16 / P2-17
- P1-29 install.sh detects existing restic timers/cron and prints
  disable commands, doesn't auto-disable
- Phase 1 acceptance: drop Windows from end-to-end criterion,
  require windows cross-compile in CI
- P4-01 rewritten: package-manager-based update delivery
- P5-08 removed (duplicate of P4-08 Prometheus /metrics)
- Various references updated

No Go code changes; build still clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-01 00:12:55 +01:00
steve 7612687a14 initial setup ready 2026-04-30 23:55:52 +01:00