owncast/core/storageproviders/local.go
Gabe Kangas c295e4f215
Update segment cleanup to support object storage (#2876)
* Add support for S3 cleanup + standardize firing cleanup. Closes #2646

* fix: manually fix post-merge
2023-05-31 11:10:04 -07:00

119 lines
2.9 KiB
Go

package storageproviders
import (
"os"
"path/filepath"
"sort"
"github.com/pkg/errors"
log "github.com/sirupsen/logrus"
"github.com/owncast/owncast/config"
"github.com/owncast/owncast/core/data"
)
// LocalStorage represents an instance of the local storage provider for HLS video.
type LocalStorage struct{}
// NewLocalStorage returns a new LocalStorage instance.
func NewLocalStorage() *LocalStorage {
return &LocalStorage{}
}
// Setup configures this storage provider.
func (s *LocalStorage) Setup() error {
return nil
}
// SegmentWritten is called when a single segment of video is written.
func (s *LocalStorage) SegmentWritten(localFilePath string) {
if _, err := s.Save(localFilePath, 0); err != nil {
log.Warnln(err)
}
}
// VariantPlaylistWritten is called when a variant hls playlist is written.
func (s *LocalStorage) VariantPlaylistWritten(localFilePath string) {
if _, err := s.Save(localFilePath, 0); err != nil {
log.Errorln(err)
return
}
}
// MasterPlaylistWritten is called when the master hls playlist is written.
func (s *LocalStorage) MasterPlaylistWritten(localFilePath string) {
if _, err := s.Save(localFilePath, 0); err != nil {
log.Warnln(err)
}
}
// Save will save a local filepath using the storage provider.
func (s *LocalStorage) Save(filePath string, retryCount int) (string, error) {
return filePath, nil
}
func (s *LocalStorage) Cleanup() error {
// Determine how many files we should keep on disk
maxNumber := data.GetStreamLatencyLevel().SegmentCount
buffer := 10
baseDirectory := config.HLSStoragePath
files, err := getAllFilesRecursive(baseDirectory)
if err != nil {
return errors.Wrap(err, "unable find old video files for cleanup")
}
// Delete old private HLS files on disk
for directory := range files {
files := files[directory]
if len(files) < maxNumber+buffer {
continue
}
filesToDelete := files[maxNumber+buffer:]
log.Traceln("Deleting", len(filesToDelete), "old files from", baseDirectory, "for video variant", directory)
for _, file := range filesToDelete {
fileToDelete := filepath.Join(baseDirectory, directory, file.Name())
err := os.Remove(fileToDelete)
if err != nil {
return errors.Wrap(err, "unable to delete old video files")
}
}
}
return nil
}
func getAllFilesRecursive(baseDirectory string) (map[string][]os.FileInfo, error) {
files := make(map[string][]os.FileInfo)
var directory string
err := filepath.Walk(baseDirectory, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if info.IsDir() {
directory = info.Name()
}
if filepath.Ext(info.Name()) == ".ts" {
files[directory] = append(files[directory], info)
}
return nil
})
if err != nil {
return nil, err
}
// Sort by date so we can delete old files
for directory := range files {
sort.Slice(files[directory], func(i, j int) bool {
return files[directory][i].ModTime().UnixNano() > files[directory][j].ModTime().UnixNano()
})
}
return files, nil
}