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keep the matrix appservice registration in bao, with the host file as the last copy

This commit is contained in:
atlas 2026-10-27 13:52:17 +01:00
commit d5c5862654
2 changed files with 1014 additions and 273 deletions

View file

@ -129,10 +129,11 @@ creation doesn't depend on registration being open to anyone who learns
a token.
1. **`swarm-matrix-ctl appservice render`**, inside the `hive-matrix`
container and before tuwunel starts, mints the registration's
`as_token` and its spec-required `hs_token` when they're missing, and
renders the registration to
`/var/lib/swarm-matrix-appservice/swarm.yaml` (mode `0600 root:root`).
container and before tuwunel starts, renders the registration to
`/var/lib/swarm-matrix-appservice/swarm.yaml` (mode `0600 root:root`)
from the `as_token` and spec-required `hs_token` beside it. It mints
them only on a container that has none, and never reaches the store, so
a store outage can't keep the homeserver down.
2. **systemd `LoadCredential=`** copies the registration into
`/run/credentials/tuwunel.service/swarm-appservice.yaml`, owned by
tuwunel's dynamic user with mode `0400`, at service start. The source
@ -168,13 +169,21 @@ namespace non-exclusive. It's the swarm's identity on the homeserver:
`swarm-controller` creates every agent's account and every hive's sender
account with it.
`swarm-matrix-ctl appservice render` mints its tokens inside the
`hive-matrix` container, before tuwunel starts, and renders the
registration tuwunel loads as a credential. `appservice publish`
then writes its `as_token` to
`swarm/controller/swarm-controller/matrix/appservice-token`. No hive's
policy reaches that path: only matrix-ctl (which writes it) and
`swarm-controller` (which reads it) hold a grant to it.
The swarm secret store holds the registration's tokens, at
`swarm/controller/swarm-controller/matrix/appservice-registration`.
`swarm-matrix-ctl appservice render` renders the registration tuwunel
loads as a credential from the copy of them in the `hive-matrix`
container, before tuwunel starts and without the store.
`appservice sync` runs beside tuwunel on a timer. The store's tokens win:
when they differ from the container's, it writes them there. It
restarts tuwunel whenever the registration is newer than tuwunel's last
start, so the next run retries one that failed after writing. A store that holds none takes the container's
tokens with a create-only write, so a running swarm keeps its value, and
a container that has none mints a pair. `sync` then writes the `as_token`
to `swarm/controller/swarm-controller/matrix/appservice-token`. No hive's
policy reaches either path: only matrix-ctl (which holds `create` and
`read` on the registration, and writes the token) and `swarm-controller`
(which reads only the token) hold a grant.
`@swarm` is the **one** account the homeserver promotes to admin at boot
(`admin_execute`). Only those two principals read its token, which is
@ -277,9 +286,9 @@ required.
<details><summary>Appservice identity</summary>
`swarm-matrix-ctl appservice render` mints the appservice tokens and
renders the registration before tuwunel starts, so every boot has both
halves.
`swarm-matrix-ctl appservice render` renders the registration from the
container's copy of the appservice tokens before tuwunel starts, so every
boot has both halves, with the store up or down.
<!-- vale write-good.Passive = NO -->
- **Access tokens live on the device that minted them.**
@ -289,8 +298,8 @@ halves.
(above); a hive's sender account is never promoted.
- **The value that matters lives at
`swarm/controller/swarm-controller/matrix/appservice-token`.**
`appservice publish` writes the container's copy there whenever the
store's differs, and `swarm-controller` reads it from there.
`appservice sync` writes it there whenever the store's differs from the
registration's `as_token`, and `swarm-controller` reads it from there.
<!-- vale write-good.Passive = YES -->
</details>

View file

@ -14,39 +14,40 @@ the rest of the cell says how.
<!-- vale write-good.Passive = NO -->
| store path | minter | reader | automatic re-mint | automatic re-pull |
| ---------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| `swarm/agents/<agent>/matrix/main` | `swarm-controller`, at agent creation and every 5 minutes | the agent | ✅ when missing or rejected by the homeserver | ✅ the daemon restarts within 5 minutes of a rejection |
| `swarm/agents/<agent>/matrix/<account>` | `swarm-controller`, from a credential you hand it | the agent | must be stated | ✅ retried within 2 to 16 minutes after a rejection |
| `swarm/agents/<agent>/matrix-recovery/<account>` | `swarm-controller`, a random passphrase per account | the agent | ❌ never replaced: the account's key backup opens only with this passphrase | ❌ read when the account comes up |
| `swarm/controller/swarm-controller/matrix/appservice-token` | `swarm-matrix-ctl` in `hive-matrix`, once | `swarm-controller` | ❌ minted once | ✅ read every 5 minutes |
| `swarm/controller/swarm-controller/oidc/client` | authelia, first boot | `swarm-controller` | ❌ minted once; `swarm-secret-publish` republishes a re-mint | ✅ re-read when authelia refuses it |
| `swarm/controller/swarm-controller/forge/token` | the forge, once | `swarm-controller` | ❌ minted once; delete `/var/lib/forgejo/swarm-controller-token-name` in the forge container to mint a new one | ✅ re-read on a 401 |
| `swarm/controller/swarm-controller/grafana/token` | `swarm-bao-grafana-controller-token` on Grafana's host | `swarm-controller` | ✅ every 10 minutes, when Grafana refuses it or none is stored | ✅ re-read on a 401 |
| `swarm/controller/swarm-controller/forge/webhook-secret` | `swarm-controller`, at start, from its old `webhook-secret` file; a new one only when there is no file | `swarm-controller` | ❌ minted once; a rotated secret fails every delivery until the forge hooks are re-registered | ❌ read at start |
| `swarm/agents/<agent>/bao-mtls` | the store's agent PKI mount (`deploy.bao.agentPkiMountPath`), at agent creation | `hive-c0re`, then the agent | ✅ re-issued every 5 minutes once past half its 7-day validity | ✅ the agent re-reads every 10 minutes; it renews only while its current leaf is valid |
| `swarm/agents/<agent>/queue` | `swarm-controller`, at agent creation | the agent; the queue, log and metrics auth services | ✅ re-minted at 45 days; skipped for `Destroyed` agents, whose path is deleted | ✅ read on every reconnect; an open connection keeps the old secret for up to an hour; the log and metrics stores honour a replaced secret for up to `deploy.victorialogs.authVerdictTtl` and `deploy.victoriametrics.agentAuthVerdictTtl` (60 s by default) |
| `swarm/agents/<agent>/forge-token` | `swarm-controller`, at agent creation and every 5 minutes | the agent | ✅ when missing or no longer matching the forge | ✅ every 10 minutes |
| `swarm/agents/<agent>/forge/<label>` | `swarm-controller`, when you link an external forge account in the swarm UI | the agent | ❌ your token; delete it and link the label again | ✅ every 2 minutes |
| `swarm/agents/<agent>/github-token` | `swarm-controller`, when you link a GitHub account in the swarm UI | the agent | ❌ your token; delete it and link again | ✅ every 2 minutes |
| `swarm/agents/<agent>/claude-credentials` | `swarm-claude-login`, when you log the agent in from its card; one version per login | the agent, while it waits for a login | ❌ log in again | ✅ every 30 seconds while waiting |
| `swarm/hives/<hive>/matrix/sender-token` | `swarm-controller`, every 5 minutes | `swarm-controller` and the hive | ✅ when missing or rejected by the homeserver | ✅ the hive re-reads on every sweep |
| `swarm/hives/<hive>/forge/token` | `swarm-controller`, every 5 minutes | `swarm-controller` and the hive | ✅ when missing or no longer matching the forge | ✅ read on every forge call |
| `swarm/hives/<hive>/oidc/client` | authelia, first boot; `swarm-secret-publish` copies it in | the hive | ❌ minted once; `swarm-secret-publish` republishes a re-mint | ✅ re-read when authelia refuses it |
| `swarm/services/<clientId>/oidc/client` | authelia | that service | must be stated | must be stated |
| `swarm/services/ci-runner/registration-token` | `swarm-controller`, from the forge, at start and every 5 minutes | `swarm-bao-ci-runner` on the runner's host | ❌ the forge keeps one token until an admin resets it; the controller then writes the new one within 5 minutes | ✅ every 10 minutes; restarts the runner on a change |
| `swarm/services/<grafana client id>/metrics/bearer` | `swarm-bao-grafana-metrics-bearer` on Grafana's host, when none is stored | `swarm-metrics-auth` and `swarm-logs-grafana-auth` | ❌ delete it and restart `swarm-bao-grafana-metrics-bearer` | ✅ the auth services re-read within a minute; ❌ Grafana restarts when its copy changes |
| `swarm/services/<grafana client id>/secret-key` | `swarm-bao-grafana-secret-key` on Grafana's host, from the key an earlier release generated; a new one only when there is none | Grafana | ❌ minted once; a different key leaves Grafana unable to read its stored datasource secrets | ❌ Grafana reads it at start; the unit restarts Grafana when the file changes |
| `swarm/services/swarm-authelia/keys/<name>`, for `jwt`, `session`, `storage-encryption`, `oidc-hmac` and `oidc-issuer` | authelia's `authelia-swarm-secrets` unit in its container, under the secret publisher's identity, from the key file an earlier release generated; a new one only when there is none | authelia | ❌ minted once; a different storage-encryption key leaves authelia's database unreadable and a different issuer key invalidates every issued token | ❌ read when the unit runs; the unit restarts authelia when the file changes |
| `swarm/services/review-classifier/anthropic-api-key` | you, in the store's UI, field `api_key` | `swarm-review-classifier` | ❌ write a new key | ✅ read on every run |
| `swarm/services/review-classifier/acp-provider` | you, in the store's UI, field `api_key` | `swarm-review-classifier` | ❌ write a new key | ✅ read on every run |
| `swarm/services/review-classifier/forge/token` | `swarm-controller`, at start and every 5 minutes | `swarm-controller` | ✅ when missing or no longer matching the forge | ✅ read on every review |
| `swarm/services/builder/forge/token` | `swarm-controller`, at start and every 5 minutes | `swarm-builder`, `swarm-controller` | ✅ when missing or no longer matching the forge | ✅ read on every build |
| `swarm/services/attic/push-token` | `swarm-bao-attic-tokens` on the cache's host, when none is stored; with an external cache, you, in the store's UI (field `value`), or `bao kv put` with `value=-` and the token on stdin | `swarm-builder` | ❌ write a new token; a token the cache refuses fails the push, and the build stays green with `cached` false | ✅ read on every push; with no `swarm.attic` cache set, nothing reads it |
| `swarm/services/attic/pull-token` | `swarm-bao-attic-tokens` on the cache's host, when none is stored; read-only, ten years | nothing yet | ❌ write a new token | must be stated |
| `swarm/services/attic/jwt-secret` | `swarm-bao-attic-secret` on the cache's host, when none is stored | `swarm-bao-attic-secret`, `swarm-bao-attic-tokens` | ❌ a new key invalidates both tokens | ❌ atticd restarts when the file changes |
| `swarm/services/ci-metrics/forge/token` | `swarm-controller`, at start and every 5 minutes | `swarm-ci-metrics`, `swarm-controller` | ✅ when missing or no longer matching the forge | ✅ read on every pass |
| _(not in the store)_ a hive's mTLS leaf | the store's PKI, or you by hand | the hive itself, from disk | must be stated | must be stated |
| store path | minter | reader | automatic re-mint | automatic re-pull |
| ---------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| `swarm/agents/<agent>/matrix/main` | `swarm-controller`, at agent creation and every 5 minutes | the agent | ✅ when missing or rejected by the homeserver | ✅ the daemon restarts within 5 minutes of a rejection |
| `swarm/agents/<agent>/matrix/<account>` | `swarm-controller`, from a credential you hand it | the agent | must be stated | ✅ retried within 2 to 16 minutes after a rejection |
| `swarm/agents/<agent>/matrix-recovery/<account>` | `swarm-controller`, a random passphrase per account | the agent | ❌ never replaced: the account's key backup opens only with this passphrase | ❌ read when the account comes up |
| `swarm/controller/swarm-controller/matrix/appservice-token` | `swarm-matrix-ctl appservice sync` in `hive-matrix`, from the registration's `as_token` | `swarm-controller` | ❌ follows the registration below | ✅ read every 5 minutes |
| `swarm/controller/swarm-controller/matrix/appservice-registration` | `swarm-matrix-ctl appservice sync` in `hive-matrix`: seeded from the container's own tokens when the store holds none, a new pair only when the container has none either | `swarm-matrix-ctl` in `hive-matrix`; the controller has no grant to it | ❌ minted once; an operator who replaces it makes `sync` write the new pair into the container and restart the homeserver | ✅ `sync` re-reads it every 10 minutes |
| `swarm/controller/swarm-controller/oidc/client` | authelia, first boot | `swarm-controller` | ❌ minted once; `swarm-secret-publish` republishes a re-mint | ✅ re-read when authelia refuses it |
| `swarm/controller/swarm-controller/forge/token` | the forge, once | `swarm-controller` | ❌ minted once; delete `/var/lib/forgejo/swarm-controller-token-name` in the forge container to mint a new one | ✅ re-read on a 401 |
| `swarm/controller/swarm-controller/grafana/token` | `swarm-bao-grafana-controller-token` on Grafana's host | `swarm-controller` | ✅ every 10 minutes, when Grafana refuses it or none is stored | ✅ re-read on a 401 |
| `swarm/controller/swarm-controller/forge/webhook-secret` | `swarm-controller`, at start, from its old `webhook-secret` file; a new one only when there is no file | `swarm-controller` | ❌ minted once; a rotated secret fails every delivery until the forge hooks are re-registered | ❌ read at start |
| `swarm/agents/<agent>/bao-mtls` | the store's agent PKI mount (`deploy.bao.agentPkiMountPath`), at agent creation | `hive-c0re`, then the agent | ✅ re-issued every 5 minutes once past half its 7-day validity | ✅ the agent re-reads every 10 minutes; it renews only while its current leaf is valid |
| `swarm/agents/<agent>/queue` | `swarm-controller`, at agent creation | the agent; the queue, log and metrics auth services | ✅ re-minted at 45 days; skipped for `Destroyed` agents, whose path is deleted | ✅ read on every reconnect; an open connection keeps the old secret for up to an hour; the log and metrics stores honour a replaced secret for up to `deploy.victorialogs.authVerdictTtl` and `deploy.victoriametrics.agentAuthVerdictTtl` (60 s by default) |
| `swarm/agents/<agent>/forge-token` | `swarm-controller`, at agent creation and every 5 minutes | the agent | ✅ when missing or no longer matching the forge | ✅ every 10 minutes |
| `swarm/agents/<agent>/forge/<label>` | `swarm-controller`, when you link an external forge account in the swarm UI | the agent | ❌ your token; delete it and link the label again | ✅ every 2 minutes |
| `swarm/agents/<agent>/github-token` | `swarm-controller`, when you link a GitHub account in the swarm UI | the agent | ❌ your token; delete it and link again | ✅ every 2 minutes |
| `swarm/agents/<agent>/claude-credentials` | `swarm-claude-login`, when you log the agent in from its card; one version per login | the agent, while it waits for a login | ❌ log in again | ✅ every 30 seconds while waiting |
| `swarm/hives/<hive>/matrix/sender-token` | `swarm-controller`, every 5 minutes | `swarm-controller` and the hive | ✅ when missing or rejected by the homeserver | ✅ the hive re-reads on every sweep |
| `swarm/hives/<hive>/forge/token` | `swarm-controller`, every 5 minutes | `swarm-controller` and the hive | ✅ when missing or no longer matching the forge | ✅ read on every forge call |
| `swarm/hives/<hive>/oidc/client` | authelia, first boot; `swarm-secret-publish` copies it in | the hive | ❌ minted once; `swarm-secret-publish` republishes a re-mint | ✅ re-read when authelia refuses it |
| `swarm/services/<clientId>/oidc/client` | authelia | that service | must be stated | must be stated |
| `swarm/services/ci-runner/registration-token` | `swarm-controller`, from the forge, at start and every 5 minutes | `swarm-bao-ci-runner` on the runner's host | ❌ the forge keeps one token until an admin resets it; the controller then writes the new one within 5 minutes | ✅ every 10 minutes; restarts the runner on a change |
| `swarm/services/<grafana client id>/metrics/bearer` | `swarm-bao-grafana-metrics-bearer` on Grafana's host, when none is stored | `swarm-metrics-auth` and `swarm-logs-grafana-auth` | ❌ delete it and restart `swarm-bao-grafana-metrics-bearer` | ✅ the auth services re-read within a minute; ❌ Grafana restarts when its copy changes |
| `swarm/services/<grafana client id>/secret-key` | `swarm-bao-grafana-secret-key` on Grafana's host, from the key an earlier release generated; a new one only when there is none | Grafana | ❌ minted once; a different key leaves Grafana unable to read its stored datasource secrets | ❌ Grafana reads it at start; the unit restarts Grafana when the file changes |
| `swarm/services/swarm-authelia/keys/<name>`, for `jwt`, `session`, `storage-encryption`, `oidc-hmac` and `oidc-issuer` | authelia's `authelia-swarm-secrets` unit in its container, under the secret publisher's identity, from the key file an earlier release generated; a new one only when there is none | authelia | ❌ minted once; a different storage-encryption key leaves authelia's database unreadable and a different issuer key invalidates every issued token | ❌ read when the unit runs; the unit restarts authelia when the file changes |
| `swarm/services/review-classifier/anthropic-api-key` | you, in the store's UI, field `api_key` | `swarm-review-classifier` | ❌ write a new key | ✅ read on every run |
| `swarm/services/review-classifier/acp-provider` | you, in the store's UI, field `api_key` | `swarm-review-classifier` | ❌ write a new key | ✅ read on every run |
| `swarm/services/review-classifier/forge/token` | `swarm-controller`, at start and every 5 minutes | `swarm-controller` | ✅ when missing or no longer matching the forge | ✅ read on every review |
| `swarm/services/builder/forge/token` | `swarm-controller`, at start and every 5 minutes | `swarm-builder`, `swarm-controller` | ✅ when missing or no longer matching the forge | ✅ read on every build |
| `swarm/services/attic/push-token` | `swarm-bao-attic-tokens` on the cache's host, when none is stored; with an external cache, you, in the store's UI (field `value`), or `bao kv put` with `value=-` and the token on stdin | `swarm-builder` | ❌ write a new token; a token the cache refuses fails the push, and the build stays green with `cached` false | ✅ read on every push; with no `swarm.attic` cache set, nothing reads it |
| `swarm/services/attic/pull-token` | `swarm-bao-attic-tokens` on the cache's host, when none is stored; read-only, ten years | nothing yet | ❌ write a new token | must be stated |
| `swarm/services/attic/jwt-secret` | `swarm-bao-attic-secret` on the cache's host, when none is stored | `swarm-bao-attic-secret`, `swarm-bao-attic-tokens` | ❌ a new key invalidates both tokens | ❌ atticd restarts when the file changes |
| `swarm/services/ci-metrics/forge/token` | `swarm-controller`, at start and every 5 minutes | `swarm-ci-metrics`, `swarm-controller` | ✅ when missing or no longer matching the forge | ✅ read on every pass |
| _(not in the store)_ a hive's mTLS leaf | the store's PKI, or you by hand | the hive itself, from disk | must be stated | must be stated |
<!-- vale write-good.Passive = YES -->
@ -103,6 +104,7 @@ pieces fit, and the reasoning behind them, is in [`credentials.md`](credentials.
| swarm-services root CA (cert + key) | `swarm-bao.nix`'s granting unit, inside the store's `pki` mount | the **key** never leaves the mount; the **cert** lands at `/var/lib/swarm-bao-services-pki/services-root.pem` (0644) and at `/var/lib/hive-tls/swarm-services-root.pem` on every hive | nothing to copy — every hive receives the cert with the leaf it asks the store for, or from `pki/ca/pem` where it fronts no swarm name and needs a store identity |
| authelia session, JWT, storage-encryption and OIDC HMAC keys | `authelia-swarm-secrets` in authelia's container. It stores each in the swarm secret store at `swarm/services/swarm-authelia/keys/<name>` when the store holds none: the value of the key an earlier release generated, or a new one when there is no such file. The files stay on disk. While the store's policy doesn't grant the leaf yet, or the store is down, the unit runs on the files. A container with no secret publisher identity generates the files, as before | `/var/lib/authelia-swarm/{session,jwt,storage-encryption,oidc-hmac}.key` | nothing to place: the publisher's store leaf is the one in the row below. A store that stays unreachable on a start with no key file keeps authelia from starting |
| authelia OIDC issuer key (RSA) | same unit, same store path (`oidc-issuer`) | `/var/lib/authelia-swarm/oidc-issuer.key` | same — relying parties verify against the **public** half at `/jwks.json` |
| swarm appservice registration (`as_token`, `hs_token`) | `swarm-matrix-ctl appservice sync` in `hive-matrix`. The store's pair wins; a store holding none takes the container's own tokens, so the value doesn't change by moving. Only `appservice render` on a container with neither mints a new pair | `/var/lib/swarm-matrix-appservice/{as-token,hs-token,swarm.yaml}` in `hive-matrix`, the last copy `sync` took, which tuwunel starts from; the store path is `swarm/controller/swarm-controller/matrix/appservice-registration` | nothing to place: matrix-ctl's store leaf is the one the container binds. A store that's down leaves the homeserver running on the files |
| OIDC client secret, plaintext half | `authelia crypto hash generate --random` | `/var/lib/authelia-swarm/oidc-clients/<id>.secret` | operator provides the file and names it in whichever option reads it — `sso.clientSecretFile` for a service; the forge and, by default, the hive collector need none — `swarm-bao-forge-oidc` and `swarm-bao-hive-otel-oidc` fetch it from the store ([how](credentials.md#hive-level-secrets)) |
| OIDC client secret, digest half | the same mint | `oidc-clients/<id>.digest` | authelia's own half; merged at runtime via `settingsFiles` |
| the swarm collector's copy of its OIDC secret | `swarm-bao-otel-oidc.service` reads it out of the swarm secret store, **on every host that runs the collector and holds a store identity** | `/run/swarm-otel-oidc/<id>.secret` on the host's tmpfs, bind-mounted read-only into the `swarm-otel` container — never on persistent disk, so a reboot fetches it again | same unit, same path — one route, co-located or not. A collector with no store identity has `clientSecretFile == null`, its already-supported unauthenticated-push degrade — see [swarm-level secrets](credentials.md#swarm-level-secrets) |