more details
This commit is contained in:
shoopea
parent
9347ba08cd
commit
26e4b56507
248
app.go
248
app.go
@ -385,19 +385,9 @@ func (a AppConfig) needHourlySnapshot() bool {
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return true
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}
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func (a AppConfig) RunAppBackup() error {
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func (a AppConfig) CheckZFS() error {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : Start", a.Name)
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}
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schedule, err := a.getSchedule()
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : Error getting schedule : %s", a.Name, err)
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}
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return err
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}
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if schedule == "" {
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return nil
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log.Printf("AppConfig.CheckZFS : %s : Start", a.Name)
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}
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for _, src := range a.Sources {
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@ -409,87 +399,142 @@ func (a AppConfig) RunAppBackup() error {
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err := cfg.Box[dest.Box()].ssh.createZFS(dest.Path() + "/" + src.Box() + "/" + src.Path())
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : Error creating %s on %s", a.Name, dest.Path()+"/"+src.Box()+"/"+src.Path(), dest.Box())
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log.Printf("AppConfig.CheckZFS : %s : Error creating %s on %s", a.Name, dest.Path()+"/"+src.Box()+"/"+src.Path(), dest.Box())
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}
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return err
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}
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}
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}
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}
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return nil
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}
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func (a AppConfig) ExecBefore(schedule string) error {
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if *debugFlag {
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log.Printf("AppConfig.ExecBefore : %s : Start %s", a.Name, schedule)
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}
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for k, v := range a.Before {
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re := regexp.MustCompile(k)
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if re.MatchString(schedule) {
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err := cfg.Box[v.Box()].ssh.exec(v.Path())
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : Error executing %s", a.Name, string(v))
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log.Printf("AppConfig.ExecBefore : %s : Error executing %s", a.Name, string(v))
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}
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return err
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}
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}
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}
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return nil
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}
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func (a AppConfig) ExecAfter(schedule string) error {
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if *debugFlag {
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log.Printf("AppConfig.ExecAfter : %s : Start %s", a.Name, schedule)
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}
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for k, v := range a.After {
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re := regexp.MustCompile(k)
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if re.MatchString(schedule) {
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err := cfg.Box[v.Box()].ssh.exec(v.Path())
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.ExecAfter : %s : Error executing %s on %s", a.Name, v.Path(), v.Box())
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}
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return err
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}
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}
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}
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refreshSnapshot := make(map[string]bool)
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return nil
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}
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func (a AppConfig) TakeSnapshot(schedule string) error {
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if *debugFlag {
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log.Printf("AppConfig.TakeSnapshot : %s : Start %s", a.Name, schedule)
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}
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takeSnapshot := make(map[string]string)
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delSnapshot := make(map[string]string)
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for _, v := range a.Sources {
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takeSnapshot[v.Box()] = takeSnapshot[v.Box()] + " " + v.Path()
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refreshSnapshot[v.Box()] = true
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for _, v2 := range a.Destinations {
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delSnapshot[v2.Box()] = delSnapshot[v2.Box()] + " " + v2.Path() + "/" + v.Box() + "/" + v.Path()
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}
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}
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for k, v := range takeSnapshot {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : taking snapshot on %s for %s", a.Name, k, v)
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log.Printf("AppConfig.TakeSnapshot : %s : taking snapshot on %s for %s", a.Name, k, v)
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}
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err := cfg.Box[k].ssh.exec("/usr/sbin/zfsnap snapshot -p " + schedule + "- -a " + cfg.Zfsnap[schedule] + v)
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : Error executing zfsnap on %s", a.Name, k)
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log.Printf("AppConfig.TakeSnapshot : %s : Error executing zfsnap on %s", a.Name, k)
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}
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return err
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}
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}
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return nil
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}
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func (a AppConfig) RefreshSnapshot() error {
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if *debugFlag {
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log.Printf("AppConfig.RefreshSnapshot : %s : Start", a.Name)
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}
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refreshSnapshot := make(map[string]struct{})
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for _, v := range a.Sources {
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refreshSnapshot[v.Box()] = struct{}{}
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}
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for _, v := range a.Destinations {
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refreshSnapshot[v.Box()] = true
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refreshSnapshot[v.Box()] = struct{}{}
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}
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for k, _ := range refreshSnapshot {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : refreshing snapshots for source %s", a.Name, k)
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log.Printf("AppConfig.RefreshSnapshot : %s : refreshing snapshots for source %s", a.Name, k)
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}
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err := cfg.Box[k].ssh.getSnapshotList()
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : Error getting snapshots on %s", a.Name, k)
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log.Printf("AppConfig.RefreshSnapshot : %s : Error getting snapshots on %s", a.Name, k)
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}
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return err
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}
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}
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return nil
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}
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func (a AppConfig) SendSnapshots() error {
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if *debugFlag {
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log.Printf("AppConfig.SendSnapshots : %s : Start", a.Name)
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}
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for _, src := range a.Sources {
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for _, dest := range a.Destinations {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : Sending snapshots from %s to %s", a.Name, string(src), string(dest))
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log.Printf("AppConfig.SendSnapshots : %s : Sending snapshots from %s to %s", a.Name, string(src), string(dest))
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}
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dLastSnapshot, err := cfg.Box[dest.Box()].ssh.getLastSnapshot(dest.Path() + "/" + src.Box() + "/" + src.Path())
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : No snapshot for %s on %s", a.Name, string(src), dest.Box())
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log.Printf("AppConfig.SendSnapshots : %s : No snapshot for %s on %s", a.Name, string(src), dest.Box())
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}
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sFirstSnapshot, err := cfg.Box[src.Box()].ssh.getFirstSnapshot(src.Path())
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : No snapshot for %s", a.Name, string(src))
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log.Printf("AppConfig.SendSnapshots : %s : No snapshot for %s", a.Name, string(src))
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}
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return err
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}
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : Initializing snapshot on %s from %s", a.Name, dest.Box(), string(sFirstSnapshot))
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log.Printf("AppConfig.SendSnapshots : %s : Initializing snapshot on %s from %s", a.Name, dest.Box(), string(sFirstSnapshot))
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}
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err = cfg.Box[dest.Box()].ssh.exec("/usr/bin/ssh root@" + src.Box() + " /sbin/zfs send " + string(sFirstSnapshot) + " | /sbin/zfs recv -F " + dest.Path() + "/" + src.Box() + "/" + src.Path())
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err = cfg.Box[dest.Box()].ssh.exec("/usr/bin/ssh " + cfg.Box[src.Box()].User + "@" + src.Box() + " /sbin/zfs send " + string(sFirstSnapshot) + " | /sbin/zfs recv -F " + dest.Path() + "/" + src.Box() + "/" + src.Path())
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : Initializing snapshot on %s from %s failed (%s)", a.Name, dest.Box(), string(sFirstSnapshot), err)
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log.Printf("AppConfig.SendSnapshots : %s : Initializing snapshot on %s from %s failed (%s)", a.Name, dest.Box(), string(sFirstSnapshot), err)
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}
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return err
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}
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@ -499,23 +544,23 @@ func (a AppConfig) RunAppBackup() error {
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sCurrSnapshot = sNextSnapshot
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sNextSnapshot, err = cfg.Box[src.Box()].ssh.getNextSnapshot(sNextSnapshot)
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : Sending incrementally %s to %s", a.Name, string(sNextSnapshot), dest.Box())
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log.Printf("AppConfig.SendSnapshots : %s : Sending incrementally %s to %s", a.Name, string(sNextSnapshot), dest.Box())
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}
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err = cfg.Box[dest.Box()].ssh.exec("/usr/bin/ssh root@" + src.Box() + " /sbin/zfs send -I " + string(sCurrSnapshot) + " " + string(sNextSnapshot) + " | /sbin/zfs recv " + dest.Path() + "/" + src.Box() + "/" + src.Path())
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err = cfg.Box[dest.Box()].ssh.exec("/usr/bin/ssh " + cfg.Box[src.Box()].User + "@" + src.Box() + " /sbin/zfs send -I " + string(sCurrSnapshot) + " " + string(sNextSnapshot) + " | /sbin/zfs recv " + dest.Path() + "/" + src.Box() + "/" + src.Path())
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : Sending snapshot on %s from %s failed (%s)", a.Name, dest.Box(), string(sNextSnapshot), err)
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log.Printf("AppConfig.SendSnapshots : %s : Sending snapshot on %s from %s failed (%s)", a.Name, dest.Box(), string(sNextSnapshot), err)
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}
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return err
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}
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}
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : All snapshots sent for %s", a.Name, string(src))
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log.Printf("AppConfig.SendSnapshots : %s : All snapshots sent for %s", a.Name, string(src))
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}
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} else {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : Last snapshot on %s is %s", a.Name, dest.Box(), string(dLastSnapshot))
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log.Printf("AppConfig.SendSnapshots : %s : Last snapshot on %s is %s", a.Name, dest.Box(), string(dLastSnapshot))
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}
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var sCurrSnapshot Snapshot
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sNextSnapshot := Snapshot(string(dLastSnapshot)[len(string(dest))+2:])
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@ -523,12 +568,12 @@ func (a AppConfig) RunAppBackup() error {
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sCurrSnapshot = sNextSnapshot
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sNextSnapshot, err = cfg.Box[src.Box()].ssh.getNextSnapshot(sNextSnapshot)
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : Sending incrementally %s to %s", a.Name, string(sNextSnapshot), dest.Box())
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log.Printf("AppConfig.SendSnapshots : %s : Sending incrementally %s to %s", a.Name, string(sNextSnapshot), dest.Box())
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}
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err = cfg.Box[dest.Box()].ssh.exec("/usr/bin/ssh root@" + src.Box() + " /sbin/zfs send -I " + string(sCurrSnapshot) + " " + string(sNextSnapshot) + " | /sbin/zfs recv " + dest.Path() + "/" + src.Box() + "/" + src.Path())
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err = cfg.Box[dest.Box()].ssh.exec("/usr/bin/ssh " + cfg.Box[src.Box()].User + "@" + src.Box() + " /sbin/zfs send -I " + string(sCurrSnapshot) + " " + string(sNextSnapshot) + " | /sbin/zfs recv " + dest.Path() + "/" + src.Box() + "/" + src.Path())
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : Sending snapshot on %s from %s failed (%s)", a.Name, dest.Box(), string(sNextSnapshot), err)
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log.Printf("AppConfig.SendSnapshots : %s : Sending snapshot on %s from %s failed (%s)", a.Name, dest.Box(), string(sNextSnapshot), err)
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}
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return err
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}
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@ -536,41 +581,102 @@ func (a AppConfig) RunAppBackup() error {
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}
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}
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}
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for k, v := range takeSnapshot {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : cleaning snapshot on %s for %s", a.Name, k, v)
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}
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err := cfg.Box[k].ssh.exec("/usr/sbin/zfsnap destroy -p hourly- -p daily- -p weekly- -p monthly- -p yearly- " + v)
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : Error executing zfsnap on %s", a.Name, k)
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}
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return err
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}
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}
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for k, v := range delSnapshot {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : cleaning snapshot on %s for %s", a.Name, k, v)
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}
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err := cfg.Box[k].ssh.exec("/usr/sbin/zfsnap destroy -p hourly- -p daily- -p weekly- -p monthly- -p yearly- " + v)
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : Error executing zfsnap on %s", a.Name, k)
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}
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return err
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}
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}
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for k, v := range a.After {
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re := regexp.MustCompile(k)
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if re.MatchString(schedule) {
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err := cfg.Box[v.Box()].ssh.exec(v.Path())
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : Error executing %s on %s", a.Name, v.Path(), v.Box())
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}
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return err
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}
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}
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}
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return nil
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}
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func (a AppConfig) CleanupSnapshot() error {
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if *debugFlag {
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log.Printf("AppConfig.CleanupSnapshot : %s : Start]", a.Name)
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}
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cleanupSnapshot := make(map[string]string)
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for _, dest := range a.Destinations {
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for _, src := range a.Sources {
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cleanupSnapshot[src.Box()] = cleanupSnapshot[src.Box()] + " " + src.Path()
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cleanupSnapshot[dest.Box()] = cleanupSnapshot[dest.Box()] + " " + dest.Path() + "/" + src.Box() + "/" + src.Path()
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}
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}
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for k, v := range cleanupSnapshot {
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if *debugFlag {
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log.Printf("AppConfig.CleanupSnapshot : %s : cleaning snapshots on %s for%s", a.Name, k, v)
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}
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err := cfg.Box[k].ssh.exec("/usr/sbin/zfsnap destroy -p hourly- -p daily- -p weekly- -p monthly- -p yearly-" + v)
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.CleanupSnapshot : %s : Error executing zfsnap on %s", a.Name, k)
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}
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return err
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}
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}
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return nil
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}
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func (a AppConfig) RunAppBackup() error {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : Start", a.Name)
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}
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schedule, err := a.getSchedule()
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : Error getting schedule : %s", a.Name, err)
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}
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return err
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}
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if schedule != "" {
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err = a.CheckZFS()
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : CheckZFS : %s", a.Name, err)
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}
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return err
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}
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err = a.ExecBefore(schedule)
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : ExecBefore : %s", a.Name, err)
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}
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return err
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}
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}
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err = a.RefreshSnapshot()
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : RefreshSnapshot : %s", a.Name, err)
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}
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return err
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}
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err = a.SendSnapshots()
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : SendSnapshots : %s", a.Name, err)
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}
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return err
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}
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if schedule != "" {
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err = a.ExecAfter(schedule)
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : ExecAfter : %s", a.Name, err)
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}
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return err
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}
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}
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err = a.CleanupSnapshot()
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if err != nil {
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if *debugFlag {
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log.Printf("AppConfig.RunAppBackup : %s : RefreshSnapshot : %s", a.Name, err)
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}
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return err
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}
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return nil
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}
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