Literate AI

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Retained tests with a secondary account

Development status: command scoping, cleanup-bound receipt retention and the local orchestration bridge are implemented. Eleven source-level FreeBSD checks pass without skips, including real local orchestration, secondary-user access, independent acceptance, cleanup-bound admission and payload use after run retirement. Installed CLI qualification, a real provisioning inspector and the complete original-source suite remain open.

Select reviewed resources

FreeBSD root execution can expose selected read-only directories to an existing nonroot account for eligible test actions. The profile's optional secondary_access policy binds the worker identity, account name, numeric UID, primary GID, complete group set, eligible test action IDs, named input/export directory views and fresh writable fixture names. Changing any of these changes the reviewed profile and plan identities.

Use these explicit arguments in the reviewed action:

The ordinary {input_root}, {object_root} and {output_root} bindings remain private. Input views reserve their paths before build; export views bind after the final build seals its exports. The workspace grants secondary access only around eligible test commands. Test launchers must use the reviewed view paths when they drop privileges. Original and captured child permissions remain intact; an export directory intended for traversal must already permit the selected account to traverse it. Read-only views preserve internal relative aliases and require effective kernel ro,nosuid flags.

Original privileged tests remain trusted code. Use an allocation whose trusted provisioner verifies that the actual machine is disposable. The view owner controls delegated paths and cleanup; it does not contain arbitrary privileged code.

On FreeBSD, the filesystem containing the provisioner's allocated retained-workspace prefix must have POSIX.1e ACLs enabled. An NFSv4 ACL brand or the mere presence of getfacl/setfacl does not satisfy this requirement. Before capturing inputs or creating a retained-run root, Literate AI creates a private probe beneath the allocation prefix and proves that it can apply, read back and exactly restore the named-user access and default ACL entries used by secondary access. Unsupported filesystems fail closed with an instruction to enable POSIX.1e ACLs; the preflight does not mount, remount or otherwise reconfigure the filesystem.

Configure the operator's inspector

The CLI resolves worker-provisioner.json from the operator's configuration root shown by litai config paths. On POSIX, the configuration parent must be private and owned by the invoking user, and the configuration must be an owned, private, single-link regular file. Source policy cannot choose this path or an observer endpoint. Operator context reaches the inspector through its declared environment bindings; retained command environments keep their existing capture rules.

The existing urn:literate-ai:schema:v1:worker-provisioner configuration accepts a separate inspection_command argv. Its implementation must inspect the actual allocation on every request. Configure it through litai worker provisioner configure --file FILE, review the configuration, then explicitly enable it with litai worker provisioner enable. Configuration starts disabled. Inspection never invokes the allocation command.

Each inspection request uses urn:literate-ai:schema:v1:retained-allocation-inspection-request and contains a fresh nonce, worker_identity, plan_identity, policy_identity and minimum_remaining_seconds. The response uses urn:literate-ai:schema:v1:retained-allocation-inspection-response and returns:

Field Required observation
request_identity Canonical SHA-256 identity of the complete current request.
allocation_identity Stable content identity of the actual owned instance.
workspace_prefix Canonical absolute directory within that allocation.
remaining_seconds Observed remaining lifetime, sufficient for the requested budget.
disposable true, established by the trusted provisioner.

The allocation owner pins the instance and prefix and permanently refuses reuse after configuration, lifetime, instance, namespace or process failure. Cached responses cannot satisfy a new challenge. Local orchestration creates a private run session under the allocated prefix and refuses overlap with retained input roots before creating caches or sessions.

Retain the run and close access

Inputs, exports, command streams and independent acceptance observations enter retained custody while the views remain current. Admission then closes the views, checks the actual allocation again and binds a canonical secondary-access record into the completed-run identity. The record includes exact command identities, allocation inspections, mounted manifest views and eligible activation/revocation pairs. An observation-only completed run can precede this final record.

Busy mounts, populated fixtures, changed permissions or incomplete cleanup prevent admission. The exact account is rechecked after private content and dependency verification, including after cleanup. Cleanup is also attempted when retention fails. Failed runs retain available command and allocation diagnostics in their private run directory. A successful admission uses retained custody after the execution tree is retired. Receipt parsing grants no execution, SDK, package or release authority. Runs without selected policy preserve their existing wire identities and receipt roots.

Read the Markdown sourceConference homePublished 1.3.0 · Patch 1.3.1 in progress · Development 1.4