eSliderandGitHub
eeb5b79cf2
Collapse nested kbsearch/chats go.mod into the root module. Ranking stays cgo-free under internal/brain/rank so CI does not need ladybug. bin/kb/search is a deprecation wrapper that still sets CGO and builds the binary.
101 lines
2.0 KiB
Go
101 lines
2.0 KiB
Go
//go:build cgo && system_ladybug
|
|
|
|
package brain
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
lbug "github.com/LadybugDB/go-ladybug"
|
|
)
|
|
|
|
var (
|
|
db *lbug.Database
|
|
conn *lbug.Connection
|
|
)
|
|
|
|
func repoRoot() string {
|
|
// Try KB_ROOT env, then walk up from binary
|
|
if v := os.Getenv("KB_ROOT"); v != "" {
|
|
return v
|
|
}
|
|
self, err := os.Executable()
|
|
if err == nil {
|
|
dir := filepath.Dir(self)
|
|
for i := 0; i < 5; i++ {
|
|
if _, err := os.Stat(filepath.Join(dir, "var")); err == nil {
|
|
return dir
|
|
}
|
|
if _, err := os.Stat(filepath.Join(dir, ".git")); err == nil {
|
|
return dir
|
|
}
|
|
parent := filepath.Dir(dir)
|
|
if parent == dir {
|
|
break
|
|
}
|
|
dir = parent
|
|
}
|
|
}
|
|
return "."
|
|
}
|
|
|
|
func dbPath() string {
|
|
return filepath.Join(repoRoot(), "var", "kb.lbug")
|
|
}
|
|
|
|
func openBrain() error {
|
|
return openWithSandbox(eps())
|
|
}
|
|
|
|
func openWithSandbox(epsv string) error {
|
|
cfg := lbug.DefaultSystemConfig()
|
|
cfg.MaxNumThreads = 8
|
|
cfg.BufferPoolSize = 1 << 30 // 1GB
|
|
|
|
var err error
|
|
db, err = lbug.OpenDatabase(dbPath(), cfg)
|
|
if err != nil {
|
|
return fmt.Errorf("OpenDatabase: %w", err)
|
|
}
|
|
|
|
conn, err = lbug.OpenConnection(db)
|
|
if err != nil {
|
|
closeBrain()
|
|
return fmt.Errorf("OpenConnection: %w", err)
|
|
}
|
|
// Session settings need a live connection; running this before
|
|
// OpenConnection dereferenced a nil *Connection.
|
|
if epsv != "" {
|
|
if strings.ContainsAny(epsv, "'\\") {
|
|
closeBrain()
|
|
return fmt.Errorf("SET STREAM_SANDBOX: invalid value")
|
|
}
|
|
if _, err := conn.Query("SET STREAM_SANDBOX = '" + epsv + "'"); err != nil {
|
|
closeBrain()
|
|
return fmt.Errorf("SET STREAM_SANDBOX: %w", err)
|
|
}
|
|
}
|
|
if _, err := conn.Query("LOAD EXTENSION FTS"); err != nil {
|
|
closeBrain()
|
|
return fmt.Errorf("LOAD EXTENSION FTS: %w", err)
|
|
}
|
|
if _, err := conn.Query("LOAD EXTENSION VECTOR"); err != nil {
|
|
closeBrain()
|
|
return fmt.Errorf("LOAD EXTENSION VECTOR: %w", err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func closeBrain() {
|
|
if conn != nil {
|
|
conn.Close()
|
|
conn = nil
|
|
}
|
|
if db != nil {
|
|
db.Close()
|
|
db = nil
|
|
}
|
|
}
|