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mruby.go
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mruby.go
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package nghttpx
import (
"encoding/hex"
"fmt"
"path/filepath"
)
const (
// mrubyDir is the directory where per-pattern mruby script is stored.
mrubyDir = "mruby"
)
// CreatePerPatternMrubyChecksumFile creates ChecksumFile for given mruby content.
func CreatePerPatternMrubyChecksumFile(dir string, mruby []byte) *ChecksumFile {
checksum := Checksum(mruby)
return &ChecksumFile{
Path: filepath.Join(dir, mrubyDir, hex.EncodeToString(checksum)+".rb"),
Content: mruby,
Checksum: checksum,
}
}
// writeMrubyFile writes mruby script file. If ingConfig.MrubyFile is nil, this function does nothing, and succeeds.
func writeMrubyFile(ingConfig *IngressConfig) error {
if ingConfig.MrubyFile == nil {
return nil
}
f := ingConfig.MrubyFile
if err := WriteFile(f.Path, f.Content); err != nil {
return fmt.Errorf("unable to write mruby file: %w", err)
}
return nil
}
// writePerPatternMrubyFile writes per-pattern mruby script file.
func writePerPatternMrubyFile(ingConfig *IngressConfig) error {
if err := MkdirAll(filepath.Join(ingConfig.ConfDir, mrubyDir)); err != nil {
return err
}
for _, upstream := range ingConfig.Upstreams {
if upstream.Mruby == nil {
continue
}
if err := WriteFile(upstream.Mruby.Path, upstream.Mruby.Content); err != nil {
return fmt.Errorf("unable to write per-pattern mruby file: %w", err)
}
}
if f := ingConfig.HealthzMruby; f != nil {
if err := WriteFile(f.Path, f.Content); err != nil {
return fmt.Errorf("unable to write healthz mruby file: %w", err)
}
}
return nil
}