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feat(server): boot from cluster state via --cluster

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RFC-005 §D1/§D2: omnigraph-server --cluster <dir> is rule 0 of the mode
inference — an exclusive boot source (hard error when combined with a graph
URI, --target, or --config) that never opens omnigraph.yaml, not even the
implicit current-directory search. The cluster branch reads the applied
revision through omnigraph-cluster's serving-snapshot API and feeds the
EXISTING multi-graph pipeline: GraphStartupConfig per recorded graph at its
derived root, stored queries built via QueryRegistry::from_specs from
verified blob content (expose-all — the §D5 bridge until Phase 6
policy-owned exposure), cluster-bound policy bundles as the server-level
Cedar engine and graph-bound bundles per graph, straight from the
content-addressed blob paths. Multiple bundles binding one scope refuse boot
(one-bundle-per-scope is the serving pipeline's shape; stacking is a later
slice). Everything downstream — parallel opens, query type-checking,
registry, routing, auth, OpenAPI — is reused unchanged; cluster mode is a
new source, not a new pipeline.

First server->cluster crate dependency: read-only types + one fn;
omnigraph-cluster stays HTTP-free. open_multi_graph_state goes pub for
integration tests.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
aaltshuler 2026-06-10 17:48:10 +03:00
parent f5b43164b8
commit 948a54daa7
5 changed files with 378 additions and 24 deletions
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7
crates/omnigraph-server/src/main.rs
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@ -14,6 +14,12 @@ struct Cli {
target: Option<String>,
#[arg(long)]
config: Option<PathBuf>,
/// Boot from a cluster directory (the applied revision in
/// __cluster/state.json + content-addressed catalog blobs) instead of
/// omnigraph.yaml. Exclusive: cannot combine with <URI>, --target, or
/// --config.
#[arg(long)]
cluster: Option<PathBuf>,
#[arg(long)]
bind: Option<String>,
/// Run without bearer tokens and without a policy file (MR-723).
@ -32,6 +38,7 @@ async fn main() -> Result<()> {
let cli = Cli::parse();
let settings: ServerConfig = load_server_settings(
cli.config.as_ref(),
cli.cluster.as_ref(),
cli.uri,
cli.target,
cli.bind,