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zeekay
795617c313
The import path a reader types is the one the org owns, rather than the forge that happens to host the bytes. hanzo.ai serves the go-import meta and points it at the same repository, so where the code lives does not change. The README's `go get` line moves with it — an install instruction naming the old path is the one leftover a reader would actually follow.
84 lines
2.8 KiB
Go
84 lines
2.8 KiB
Go
// module-routes example — mount HIP-0105 extension modules as routes.
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//
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// The loader is constructed by the embedding binary (typically
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// *extruntime.Loader from hanzoai/base/plugins/extruntime, with
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// gojavm + wasmvm + pyvm + starlarkvm registered). zip is a CONSUMER
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// of the loader — it accepts anything that satisfies zip/runtime.Loader.
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//
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// This example stubs a tiny in-memory loader so the example compiles
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// without pulling hanzoai/base. Replace with real *extruntime.Loader
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// in production.
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package main
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import (
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"context"
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"encoding/json"
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"log"
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"hanzo.ai/zip"
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"hanzo.ai/zip/middleware"
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"hanzo.ai/zip/runtime"
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)
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// stubLoader is a zero-dependency runtime.Loader that echoes the
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// envelope back. Replace with *extruntime.Loader in a real service.
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type stubLoader struct{}
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func (stubLoader) Runtimes() []string {
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return []string{"goja", "wazero", "pyvm", "starlark", "native"}
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}
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func (stubLoader) LoadDir(_ context.Context, _ string) (map[string]runtime.Module, error) {
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return map[string]runtime.Module{}, nil
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}
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func (stubLoader) LoadOne(_ context.Context, dir string) (runtime.Module, error) {
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return &stubModule{dir: dir, rt: "goja"}, nil
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}
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type stubModule struct {
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dir string
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rt string
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}
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func (m *stubModule) Name() string { return m.dir }
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func (m *stubModule) Runtime() string { return m.rt }
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func (m *stubModule) Exports() []string { return []string{"handler"} }
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func (m *stubModule) Close() error { return nil }
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func (m *stubModule) Invoke(_ context.Context, fn string, payload []byte) ([]byte, error) {
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return json.Marshal(map[string]any{
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"status": 200,
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"headers": map[string]string{"X-Module-Stub": "1"},
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"body": map[string]any{"fn": fn, "echo": json.RawMessage(payload)},
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})
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}
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func main() {
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app := zip.New(zip.Config{
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AppName: "module-routes",
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Loader: stubLoader{},
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AllowedRuntimes: []string{"goja", "wazero", "pyvm", "starlark"},
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})
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app.Use(middleware.Recover(), middleware.RequestID())
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// Mount one module per runtime. In a real deployment each `./ext/*`
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// directory contains an extension.json manifest + compiled artifact.
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mustMount(app, "POST /v1/policy/eval", "wazero", "./ext/policy")
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mustMount(app, "POST /v1/transform", "pyvm", "./ext/transform")
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mustMount(app, "POST /v1/webhook", "goja", "./ext/webhook")
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mustMount(app, "POST /v1/route", "starlark", "./ext/route")
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log.Fatal(app.Listen(":8080"))
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}
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func mustMount(app *zip.App, methodPath, rt, modulePath string) {
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// The stub loader claims rt="goja" for every directory; in this
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// demo we re-register stubModule with the right rt so Module
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// passes the runtime-match check. In production the real
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// extruntime loader reads extension.json and the manifest decides.
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if err := app.Module(methodPath, "goja", modulePath); err != nil {
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log.Fatalf("mount %s: %v", methodPath, err)
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}
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_ = rt
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}
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