mirror/merlin/sync/post.go

95 lines
2.1 KiB
Go

package sync
import (
"io"
"os"
"os/exec"
"path/filepath"
"time"
"git.csclub.uwaterloo.ca/public/merlin/config"
)
func postRepoSync(repo *config.Repo, exit int) {
if repo.DryRun {
repo.Logger.Debug("post sync not run because in dry run mode")
return
}
switch exit {
case config.SUCCESS:
go zfsSync(repo)
go postSyncTraceUpdate(repo)
return
case config.FAILURE:
go backupRsyncFailLog(repo)
return
}
}
func zfsSync(repo *config.Repo) {
// we are not using zfs snapshots at the moment
repo.Logger.Debug("Would run a zfssync if not disabled")
return
out, err := exec.Command("/bin/sh", "/home/mirror/bin/zfssync", repo.Name).CombinedOutput()
if err != nil {
repo.Logger.Error(err)
} else {
f, err := os.OpenFile(repo.ZfssyncLogFile, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0644)
if err != nil {
repo.Logger.Error(err.Error())
} else {
f.Write(out)
}
}
}
// updates a trace file after the repo has finished syncing
func postSyncTraceUpdate(repo *config.Repo) {
switch repo.SyncType {
case "csc-sync-debian":
cscPostDebian(repo)
}
}
// update our trace file's modification date by writing the current time
func cscPostDebian(repo *config.Repo) {
targetDir := filepath.Join(buildDownloadDir(repo), "project/trace")
target := filepath.Join(targetDir, config.Conf.Hostname)
os.MkdirAll(targetDir, 0755)
f, err := os.OpenFile(target, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
if err != nil {
repo.Logger.Error("Unable to open trace file: " + target)
return
}
if _, err = f.WriteString(time.Now().UTC().Format(time.RFC1123)); err != nil {
repo.Logger.Error("Unable to write to trace file: " + target)
return
}
}
func backupRsyncFailLog(repo *config.Repo) {
src := repo.RsyncLogFile
dest := repo.RsyncLogFile + ".fail"
fin, err := os.Open(src)
if err != nil {
repo.Logger.Error(err.Error())
}
defer fin.Close()
fout, err := os.OpenFile(dest, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
if err != nil {
repo.Logger.Error(err.Error())
}
defer fout.Close()
if _, err = io.Copy(fout, fin); err != nil {
repo.Logger.Error(err.Error())
}
}