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docs: split credentials.md into an overview and a per-secret reference

The overview keeps the store invariant, the mTLS exception and the
minter/reader/renewal contract. The table of every credential and the
operating notes (forge token checks, re-creating agents, revoking a queue
credential, store login retries) move unchanged to credentials-reference.md,
and the links that asked where a credential lives point there.
This commit is contained in:
iris 2026-10-26 16:32:12 +01:00 • committed by mara
commit 2d29711df9
7 changed files with 101 additions and 83 deletions

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@ -78,7 +78,8 @@ declarations.
[`networking/snapshot-store.md`](networking/snapshot-store.md).
- **Who mints each credential, who reads it, and how does it rotate — and
where's that shape headed?** → [`swarm/credentials.md`](swarm/credentials.md)
(current state and target state);
(the overview) and [`swarm/credentials-reference.md`](swarm/credentials-reference.md)
(each credential, current state and target state);
[`swarm/secrets.md`](swarm/secrets.md) for where each file lives today.
- **How does the secret store come up, who writes its grants, how's it
sealed?** → [`swarm/bao.md`](swarm/bao.md).

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@ -50,7 +50,7 @@ when the token changed. It needs a store identity
(`services.hyperhive.agent.bao.addr`); an agent without one gets no token.
The unit never deletes the file: a `github-token` already in place stays
when the store holds none or doesn't answer. Where the token lives and who
reads it: [credentials.md](../swarm/credentials.md).
reads it: [credentials-reference.md](../swarm/credentials-reference.md).
## Security

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@ -43,7 +43,8 @@ grafana, the controller, authelia, …) →
→ [`sso.md`](sso.md)
- **secrets** — every credential the swarm holds, who mints it and where it
lives → [`secrets.md`](secrets.md) · the per-secret minter/reader/renewal
contract → [`credentials.md`](credentials.md) · how the store comes up,
contract → [`credentials.md`](credentials.md), per credential in
[`credentials-reference.md`](credentials-reference.md) · how the store comes up,
who writes its grants and how it unseals → [`bao.md`](bao.md)
- **swarm CA** — the store root every hive's gateway leaf chains to, and what to
hand a peer. → [`ca.md`](ca.md)
@ -168,7 +169,7 @@ it's stored in the queue, not in the daemon.
An agent connects to the queue as itself, with a credential `swarm-controller`
mints for it when it creates the agent (`swarm/agents/<agent>/queue` in the
secret store, see [`credentials.md`](credentials.md)). The harness reads it from
secret store, see [`credentials-reference.md`](credentials-reference.md)). The harness reads it from
the store under the agent's own certificate before each connection attempt and
holds it in memory only. The one thing to configure is where the queue is:

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@ -190,7 +190,7 @@ status. The same `git` fetches a config's own inputs, so the builder registers
the helper for the forge's URL only, and the helper answers only an `https`
request for the forge's host: any other host gets nothing. The builder holds no write credential; swarm-controller writes the
status with its own forge token. Details per path:
[`credentials.md`](credentials.md).
[`credentials-reference.md`](credentials-reference.md).
## Isolation

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@ -0,0 +1,84 @@
# Credentials: the per-secret reference
Every credential in the swarm's secret store, in one table: who mints it, who
reads it, and whether it renews on its own. The overview and the rules a
credential follows are in [`credentials.md`](credentials.md); this page is
the detail, so it changes whenever someone adds a credential or moves its minting.
[`secrets.md`](secrets.md) maps the files that exist on disk today.
In the table, **automatic re-mint** is something replacing the stored value
without an operator. **Automatic re-pull** is the reader picking up a replaced
value without a restart. ✅ means it happens today, ❌ means it doesn't, and
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/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/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/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 -->
## Operating notes
The name `main` belongs to the swarm's own homeserver account, which the
controller mints, so the controller rejects any account you link under it.
`swarm-controller` checks every forge token itself: it looks at every agent
that has a store identity at start and every five minutes. For any whose
stored token is missing or stale it creates the forge user if there isn't one,
then mints the token. To check one agent now:
```sh
swarmctl agent mint-forge-token <agent>
```
An agent without a store identity gets no swarm token and keeps using the
`forge-token` file in its state dir, if it has one; re-create it with
`swarmctl agent create` to give it one. The swarm leaves an agent it already
declares as it is. For an agent with no declaration, such as one only its hive
knows about, `agent create` declares it `paused`; set it `up` from its card in
the swarm UI.
⚠️ **Re-create existing agents before deploying a hive-side change that makes a
container require a credential it may not have.** A container whose store
identity is absent doesn't start, so create the identities first, setting any
newly paused agent `up` as above.
**Revoking an agent's queue credential.** Declaring an agent `destroyed` —
`PUT /api/hives/{hive}/agents/{agent}/state` — deletes
`swarm/agents/<agent>/queue` and every version it held. An open queue
connection closes within an hour. An agent recreated under the same name gets a
fresh secret. It leaves the agent's mTLS leaf alone. If the store refuses the
delete, `swarm-controller` logs an `error` naming the agent and the teardown
continues; declare the agent destroyed again to re-run the revocation.
A failed store login retries every 30 seconds for a day. When a later attempt
lands a changed value, the service that loaded it restarts. If the fetch unit
can't compare file times it logs `cannot compare the mtime of <path> … —
leaving <unit> as it is` at `err`, and the service keeps the old value until
the next timer tick.

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@ -2,9 +2,11 @@
<!-- vale write-good.Passive = NO -->
The swarm's credential store is bao. This page lists each credential: who
mints it, who reads it, and how it renews. It describes the target, not what's
on disk today; [`secrets.md`](secrets.md) maps the files that exist right now.
The swarm's credential store is bao. This page is the overview of how the swarm
treats credentials; [`credentials-reference.md`](credentials-reference.md) lists
each one: who mints it, who reads it, and how it renews, with the notes for
operating them. It describes the target, not what's on disk today;
[`secrets.md`](secrets.md) maps the files that exist right now.
<!-- vale write-good.Passive = YES -->
@ -19,77 +21,7 @@ because a literal in a nix expression lands in the world-readable nix store.
A hive hands each agent its certificate; the agent pulls everything else
itself.
In the table, **automatic re-mint** is something replacing the stored value
without an operator. **Automatic re-pull** is the reader picking up a replaced
value without a restart. ✅ means it happens today, ❌ means it doesn't, and
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/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/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/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 -->
The name `main` belongs to the swarm's own homeserver account, which the
controller mints, so the controller rejects any account you link under it.
`swarm-controller` checks every forge token itself: it looks at every agent
that has a store identity at start and every five minutes. For any whose
stored token is missing or stale it creates the forge user if there isn't one,
then mints the token. To check one agent now:
```sh
swarmctl agent mint-forge-token <agent>
```
An agent without a store identity gets no swarm token and keeps using the
`forge-token` file in its state dir, if it has one; re-create it with
`swarmctl agent create` to give it one. The swarm leaves an agent it already
declares as it is. For an agent with no declaration, such as one only its hive
knows about, `agent create` declares it `paused`; set it `up` from its card in
the swarm UI.
⚠️ **Re-create existing agents before deploying a hive-side change that makes a
container require a credential it may not have.** A container whose store
identity is absent doesn't start, so create the identities first, setting any
newly paused agent `up` as above.
**Revoking an agent's queue credential.** Declaring an agent `destroyed` —
`PUT /api/hives/{hive}/agents/{agent}/state` — deletes
`swarm/agents/<agent>/queue` and every version it held. An open queue
connection closes within an hour. An agent recreated under the same name gets a
fresh secret. It leaves the agent's mTLS leaf alone. If the store refuses the
delete, `swarm-controller` logs an `error` naming the agent and the teardown
continues; declare the agent destroyed again to re-run the revocation.
A failed store login retries every 30 seconds for a day. When a later attempt
lands a changed value, the service that loaded it restarts. If the fetch unit
can't compare file times it logs `cannot compare the mtime of <path> … —
leaving <unit> as it is` at `err`, and the service keeps the old value until
the next timer tick.
**Each credential has a minter, a reader and a renewal story.** Who mints it, who
reads it, and whether it renews without an operator are what the
[reference table](credentials-reference.md) gives for every credential, with the
operating notes that go with them.

View file

@ -726,7 +726,7 @@ it next lists the store, within two minutes. Its forge and GitHub units never
delete a file, so a token already fetched into `<state>` stays there.
Where each credential lives and who reads it:
[`credentials.md`](credentials.md).
[`credentials-reference.md`](credentials-reference.md).
## Enabling