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swarm-controller: backfill a missing queue-secret mint time instead of re-minting it

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A stored queue secret with no `minted_at` counted as due, and no secret
minted before the renewal pass has one, so the first pass after deploy
would re-mint every agent's secret. Every reconnect before that agent's
next restart would then be refused.

Such a secret is now stamped instead: `minted_at = now` is written beside
the unchanged `value`, and its 45-day clock starts there. Only a secret
whose recorded mint time is at least 45 days old gets a new value.

The decision is `secret_step` (Keep / Backfill / Remint), and the pass
reports an unstamped secret as `Observed::Unstamped`. Backfill and
re-mint log different lines.
This commit is contained in:
atlas 2026-09-28 22:24:07 +02:00
commit 7bc4b25f16
3 changed files with 150 additions and 84 deletions
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28
docs/swarm/credentials.md
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@ -59,20 +59,20 @@ of the cell says how.
<!-- vale write-good.Passive = NO -->
| store path | minter | reader — pulls at runtime, holds in memory | automatic re-mint | automatic re-pull |
| ----------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| `swarm/agents/<agent>/matrix/main` | `swarm-controller`, with the swarm's appservice token, at agent creation and in a five-minute pass | the agent container itself, under the certificate its hive passed in | ✅ the pass re-mints when the stored token is missing, unknown to the homeserver, or someone else's | ✅ `hive-matrix-daemon` exits when the homeserver rejects its token, and a five-minute timer restarts it, which reads the store again |
| `swarm/agents/<agent>/matrix/<account>` | `swarm-controller` | the agent container itself, under the certificate its hive passed in | must be stated | must be stated |
| `swarm/controller/swarm-controller/matrix/appservice-token` | `swarm-matrix-ctl`, inside the `hive-matrix` container, once | `swarm-controller`, under its own certificate | ❌ `swarm-matrix-ctl` mints it once; the container keeps its copy and republishes it when the store's differs | ✅ the controller reads it on every five-minute matrix pass |
| `swarm/controller/swarm-controller/oidc/client` | authelia, at its first boot, where the controller registers its client; `swarm-secret-publish` copies it in | `swarm-controller`, under its own certificate, once at start | ❌ authelia mints it once. A re-mint is republished by `swarm-secret-publish`'s path unit | ❌ read once at start; the controller holds the old value until it restarts |
| `swarm/agents/<agent>/bao-mtls` | the store's agent PKI mount (`deploy.bao.agentPkiMountPath`), which generates the key, at `swarm-controller`'s request at agent creation | `hive-c0re`, under the hive's own certificate, when it writes the agent's container config | ✅ `swarm-controller`'s five-minute pass re-issues a live agent's leaf once it's past half its validity (45 of 90 days, read from the certificate itself) | ❌ `hive-c0re` reads it when it writes the container config, so the agent presents a new leaf from its next start; the old leaf stays valid until it expires |
| `swarm/agents/<agent>/queue` | `swarm-controller`, at agent creation | the agent container itself, under its own certificate — the identity it presents to the swarm queue, naming that one agent rather than its hive | ✅ `swarm-controller`'s five-minute pass re-mints a live agent's secret once it's 45 days old or has no recorded mint time (`minted_at` on the stored object) | ❌ fetched when the container starts. The queue checks the secret only at connect, so an open connection survives a re-mint, but a reconnect before the next restart is denied |
| `swarm/agents/<agent>/forge-token` | `swarm-controller`, at agent creation and in a pass every 5 minutes over every agent with a store identity | the agent container itself, under its own certificate, fetched to `/run/hive-agent-forge-token/token` | ✅ the controller re-mints when the stored token is missing or no longer matches the forge (last eight characters and scopes) | ✅ the agent re-fetches on a 10-minute timer |
| `swarm/hives/<hive>/matrix/appservice-token` | one minter, on the authelia host | the hive process that presents the token to its homeserver, under the hive's own certificate | must be stated | must be stated |
| `swarm/hives/<hive>/matrix/sender-token` | `swarm-matrix-ctl`, in the `hive-matrix` container | `swarm-matrix-ctl` itself, under its own certificate, before it decides whether to mint, and hive-c0re's `stored_sender_token()`, under the hive's own certificate | must be stated | must be stated |
| `swarm/hives/<hive>/queue/agent` | authelia | `swarm-bao-queue-agent` on the hive's host, under its own per-hive certificate; no agent's policy reaches it | must be stated | must be stated |
| `swarm/services/<clientId>/oidc/client` | authelia | the service process that presents the client secret, under the certificate of the host it runs on | must be stated | must be stated |
| _(not in the store)_ a hive's mTLS leaf | the store's own PKI, or an operator placing it by hand | its own client, off disk — the exception above, because it's what makes every other row's pull possible | must be stated | must be stated |
| store path | minter | reader — pulls at runtime, holds in memory | automatic re-mint | automatic re-pull |
| ----------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| `swarm/agents/<agent>/matrix/main` | `swarm-controller`, with the swarm's appservice token, at agent creation and in a five-minute pass | the agent container itself, under the certificate its hive passed in | ✅ the pass re-mints when the stored token is missing, unknown to the homeserver, or someone else's | ✅ `hive-matrix-daemon` exits when the homeserver rejects its token, and a five-minute timer restarts it, which reads the store again |
| `swarm/agents/<agent>/matrix/<account>` | `swarm-controller` | the agent container itself, under the certificate its hive passed in | must be stated | must be stated |
| `swarm/controller/swarm-controller/matrix/appservice-token` | `swarm-matrix-ctl`, inside the `hive-matrix` container, once | `swarm-controller`, under its own certificate | ❌ `swarm-matrix-ctl` mints it once; the container keeps its copy and republishes it when the store's differs | ✅ the controller reads it on every five-minute matrix pass |
| `swarm/controller/swarm-controller/oidc/client` | authelia, at its first boot, where the controller registers its client; `swarm-secret-publish` copies it in | `swarm-controller`, under its own certificate, once at start | ❌ authelia mints it once. A re-mint is republished by `swarm-secret-publish`'s path unit | ❌ read once at start; the controller holds the old value until it restarts |
| `swarm/agents/<agent>/bao-mtls` | the store's agent PKI mount (`deploy.bao.agentPkiMountPath`), which generates the key, at `swarm-controller`'s request at agent creation | `hive-c0re`, under the hive's own certificate, when it writes the agent's container config | ✅ `swarm-controller`'s five-minute pass re-issues a live agent's leaf once it's past half its validity (45 of 90 days, read from the certificate itself) | ❌ `hive-c0re` reads it when it writes the container config, so the agent presents a new leaf from its next start; the old leaf stays valid until it expires |
| `swarm/agents/<agent>/queue` | `swarm-controller`, at agent creation | the agent container itself, under its own certificate — the identity it presents to the swarm queue, naming that one agent rather than its hive | ✅ `swarm-controller`'s five-minute pass re-mints a live agent's secret once it's 45 days old by `minted_at` on the stored object; a secret with no `minted_at` gets one stamped, value unchanged | ❌ fetched when the container starts. The queue checks the secret only at connect, so an open connection survives a re-mint, but a reconnect before the next restart is denied |
| `swarm/agents/<agent>/forge-token` | `swarm-controller`, at agent creation and in a pass every 5 minutes over every agent with a store identity | the agent container itself, under its own certificate, fetched to `/run/hive-agent-forge-token/token` | ✅ the controller re-mints when the stored token is missing or no longer matches the forge (last eight characters and scopes) | ✅ the agent re-fetches on a 10-minute timer |
| `swarm/hives/<hive>/matrix/appservice-token` | one minter, on the authelia host | the hive process that presents the token to its homeserver, under the hive's own certificate | must be stated | must be stated |
| `swarm/hives/<hive>/matrix/sender-token` | `swarm-matrix-ctl`, in the `hive-matrix` container | `swarm-matrix-ctl` itself, under its own certificate, before it decides whether to mint, and hive-c0re's `stored_sender_token()`, under the hive's own certificate | must be stated | must be stated |
| `swarm/hives/<hive>/queue/agent` | authelia | `swarm-bao-queue-agent` on the hive's host, under its own per-hive certificate; no agent's policy reaches it | must be stated | must be stated |
| `swarm/services/<clientId>/oidc/client` | authelia | the service process that presents the client secret, under the certificate of the host it runs on | must be stated | must be stated |
| _(not in the store)_ a hive's mTLS leaf | the store's own PKI, or an operator placing it by hand | its own client, off disk — the exception above, because it's what makes every other row's pull possible | must be stated | must be stated |
<!-- vale write-good.Passive = YES -->