With the declared parent on the wire (M1), `apply_tree` now compares each EXISTING group node's server parent to the manifest's (directory-nesting) parent and resolves a divergence per a request `StructureMode` (default `Refuse` — a pre-M2 CLI never reshapes the tree): - `Refuse` → `ApplyError::StructuralDivergence` (422), naming the flags. - `ForceLocal` → reparent to the declared parent IN the apply tx via the extracted `group_repo::reparent_group_tx` (cycle guard + structure_version bump), §5.6-gated (`GroupAdmin` on node + source + destination) and attach-ceilinged. - `AdoptServer` → keep the server shape, reconcile content in place. M1's `create_missing_groups_tx` generalized to `reconcile_group_structure_tx` (create + reparent share the coarse-lock / attach-ceiling / RBAC path; both are recorded `structurally_changed` so the pool-based attach re-check skips their uncommitted rows). `pic plan` previews the drift (`divergence_preview` → a `structure` row naming server + manifest parents). CLI: `--force-local-structure` / `--adopt-server-structure` (mutually exclusive) → the `structure_mode` wire field; the 422 surfaces verbatim. A concurrent `pic groups reparent` between plan and apply still trips `StateMoved` (the tree token already folds structure_version). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
PiCloud
A lightweight, self-hosted, event-driven serverless compute platform. Upload a Rhai script, get an HTTP endpoint. Designed to run on a single modest server with no idle CPU cost, and to scale out to a small cluster when you need it.
Status: Phase 1 — MVP scaffolding in progress.
The authoritative design lives in
serverless_cloud_blueprint.md.
Why
Existing serverless platforms are either cloud-locked, heavyweight, or both. PiCloud aims for the opposite end of the spectrum: one binary, one database, one reverse proxy — running on hardware you already own.
Architecture (one paragraph)
PiCloud splits into three logical services — manager (control plane: scripts, schedules, dashboard), orchestrator (per-node event ingress and dispatch), and executor (per-node Rhai sandbox) — each backed by a *-core Rust library. In MVP they run in a single process; in cluster mode they run as three binaries with one manager and one orchestrator + executor per node. Caddy fronts everything; PostgreSQL is the single source of truth.
See CLAUDE.md for working notes and serverless_cloud_blueprint.md for the full design.
Quick Start
Coming as scaffolding lands. For now:
# Rust toolchain (pinned via rust-toolchain.toml)
cargo check --workspace
# Run the all-in-one MVP binary (once main.rs is wired up)
cargo run -p picloud
Repository Layout
crates/
shared/ cross-cutting types
executor-core/ Rhai engine + sandbox
orchestrator-core/ event ingress, dispatch
manager-core/ control plane
picloud/ MVP all-in-one binary
picloud-{manager,orchestrator,executor}/ cluster-mode binaries (skeleton)
dashboard/ SvelteKit
caddy/ Caddyfile
docker/ Dockerfiles
docs/
git-workflow.md Trunk-based workflow
Contributing
See docs/git-workflow.md for the branching and commit conventions. TL;DR: trunk-based, short-lived branches, Conventional Commits, no force-pushing main.
License
TBD.