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cloudbackup.go
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cloudbackup.go
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package cloudbackup
import (
"context"
"os"
"path"
"path/filepath"
"regexp"
"strings"
"github.com/admpub/log"
"github.com/admpub/nging/v4/application/library/s3manager"
)
func New(mgr *s3manager.S3Manager) *Cloudbackup {
return &Cloudbackup{mgr: mgr}
}
type Cloudbackup struct {
mgr *s3manager.S3Manager
SourcePath string
DestPath string
Filter func(string) bool
WaitFillCompleted bool
IgnoreWaitRegexp *regexp.Regexp
}
func (c *Cloudbackup) OnCreate(file string) {
fp, err := os.Open(file)
if err != nil {
log.Error(file + `: ` + err.Error())
return
}
fi, err := fp.Stat()
if err != nil {
log.Error(file + `: ` + err.Error())
return
}
if fi.IsDir() {
fp.Close()
err = filepath.Walk(file, func(ppath string, info os.FileInfo, werr error) error {
if werr != nil {
return werr
}
if info.IsDir() || !c.Filter(ppath) {
return nil
}
_waitFillCompleted := c.WaitFillCompleted
if _waitFillCompleted && c.IgnoreWaitRegexp != nil {
_waitFillCompleted = c.IgnoreWaitRegexp.MatchString(ppath)
}
objectName := path.Join(c.DestPath, strings.TrimPrefix(ppath, c.SourcePath))
FileChan() <- &PutFile{
Manager: c.mgr,
ObjectName: objectName,
FilePath: ppath,
WaitFillCompleted: _waitFillCompleted,
}
return nil
})
} else {
fp.Close()
_waitFillCompleted := c.WaitFillCompleted
if _waitFillCompleted && c.IgnoreWaitRegexp != nil {
_waitFillCompleted = c.IgnoreWaitRegexp.MatchString(file)
}
objectName := path.Join(c.DestPath, strings.TrimPrefix(file, c.SourcePath))
FileChan() <- &PutFile{
Manager: c.mgr,
ObjectName: objectName,
FilePath: file,
WaitFillCompleted: _waitFillCompleted,
}
}
if err != nil {
log.Error(err)
}
}
func (c *Cloudbackup) OnModify(file string) {
objectName := path.Join(c.DestPath, strings.TrimPrefix(file, c.SourcePath))
fp, err := os.Open(file)
if err != nil {
log.Error(file + `: ` + err.Error())
return
}
fi, err := fp.Stat()
if err != nil {
log.Error(file + `: ` + err.Error())
fp.Close()
return
}
if fi.IsDir() {
fp.Close()
return
}
fp.Close()
_waitFillCompleted := c.WaitFillCompleted
if _waitFillCompleted && c.IgnoreWaitRegexp != nil {
_waitFillCompleted = c.IgnoreWaitRegexp.MatchString(file)
}
FileChan() <- &PutFile{
Manager: c.mgr,
ObjectName: objectName,
FilePath: file,
WaitFillCompleted: _waitFillCompleted,
}
}
func (c *Cloudbackup) OnDelete(file string) {
objectName := path.Join(c.DestPath, strings.TrimPrefix(file, c.SourcePath))
err := c.mgr.RemoveDir(context.Background(), objectName)
if err != nil {
log.Error(file + `: ` + err.Error())
}
err = c.mgr.Remove(context.Background(), objectName)
if err != nil {
log.Error(file + `: ` + err.Error())
}
}
func (c *Cloudbackup) OnRename(file string) {
objectName := path.Join(c.DestPath, strings.TrimPrefix(file, c.SourcePath))
err := c.mgr.RemoveDir(context.Background(), objectName)
if err != nil {
log.Error(file + `: ` + err.Error())
}
err = c.mgr.Remove(context.Background(), objectName)
if err != nil {
log.Error(file + `: ` + err.Error())
}
}