Files
narratio/internal/config/load.go

78 lines
1.8 KiB
Go

package config
import (
"fmt"
"io"
"os"
"path/filepath"
"gopkg.in/yaml.v3"
)
// LoadPipeline loads pipeline configuration from a YAML file with strict field checking.
func LoadPipeline(path string) (*PipelineConfig, error) {
var cfg PipelineConfig
if err := decodeStrictYAML("pipeline", path, &cfg); err != nil {
return nil, fmt.Errorf("load pipeline config: %w", err)
}
return &cfg, nil
}
// LoadSession loads session configuration from a YAML file with strict field checking.
func LoadSession(path string) (*SessionConfig, error) {
var cfg SessionConfig
if err := decodeStrictYAML("session", path, &cfg); err != nil {
return nil, fmt.Errorf("load session config: %w", err)
}
return &cfg, nil
}
// Load loads and resolves combined pipeline and session configuration.
func Load(pipelinePath, sessionPath string) (*Config, error) {
pipelineCfg, err := LoadPipeline(pipelinePath)
if err != nil {
return nil, err
}
sessionCfg, err := LoadSession(sessionPath)
if err != nil {
return nil, err
}
return &Config{
Pipeline: pipelineCfg,
Session: sessionCfg,
PipelinePath: pipelinePath,
SessionPath: sessionPath,
}, nil
}
func decodeStrictYAML(kind, path string, out any) error {
f, err := os.Open(path)
if err != nil {
return fmt.Errorf("%s file %q: open: %w", kind, path, err)
}
defer f.Close()
dec := yaml.NewDecoder(f)
dec.KnownFields(true)
if err := dec.Decode(out); err != nil {
return fmt.Errorf("%s file %q: strict decode failed: %w", kind, path, err)
}
var extra any
if err := dec.Decode(&extra); err != nil && err != io.EOF {
return fmt.Errorf("%s file %q: trailing content decode failed: %w", kind, path, err)
}
return nil
}
func shortName(path, fallback string) string {
base := filepath.Base(path)
if base == "." || base == string(filepath.Separator) {
return fallback
}
return base
}