mirror of
https://github.com/kopia/kopia.git
synced 2026-01-26 07:18:02 -05:00
110 lines
3.8 KiB
Go
110 lines
3.8 KiB
Go
package cli
|
|
|
|
import (
|
|
"fmt"
|
|
"log"
|
|
"strconv"
|
|
|
|
"github.com/kopia/kopia/snapshot"
|
|
kingpin "gopkg.in/alecthomas/kingpin.v2"
|
|
)
|
|
|
|
var (
|
|
policySetCommand = policyCommands.Command("set", "Set snapshot policy for a single directory, user@host or a global policy.")
|
|
policySetTargets = policySetCommand.Arg("target", "Target of a policy ('global','user@host','@host') or a path").Strings()
|
|
policySetGlobal = policySetCommand.Flag("global", "Set global policy").Bool()
|
|
|
|
// Frequency
|
|
policySetFrequency = policySetCommand.Flag("min-duration-between-backups", "Minimum duration between snapshots").Duration()
|
|
|
|
// Expiration policies.
|
|
policySetKeepLatest = policySetCommand.Flag("keep-latest", "Number of most recent backups to keep per source (or 'inherit')").String()
|
|
policySetKeepHourly = policySetCommand.Flag("keep-hourly", "Number of most-recent hourly backups to keep per source (or 'inherit')").String()
|
|
policySetKeepDaily = policySetCommand.Flag("keep-daily", "Number of most-recent daily backups to keep per source (or 'inherit')").String()
|
|
policySetKeepWeekly = policySetCommand.Flag("keep-weekly", "Number of most-recent weekly backups to keep per source (or 'inherit')").String()
|
|
policySetKeepMonthly = policySetCommand.Flag("keep-monthly", "Number of most-recent monthly backups to keep per source (or 'inherit')").String()
|
|
policySetKeepAnnual = policySetCommand.Flag("keep-annual", "Number of most-recent annual backups to keep per source (or 'inherit')").String()
|
|
|
|
// Files to ignore.
|
|
policySetAddIgnore = policySetCommand.Flag("add-ignore", "List of paths to add to ignore list").Strings()
|
|
policySetRemoveIgnore = policySetCommand.Flag("remove-ignore", "List of paths to remove from ignore list").Strings()
|
|
policySetReplaceIgnore = policySetCommand.Flag("set-ignore", "List of paths to replace ignore list with").Strings()
|
|
)
|
|
|
|
func init() {
|
|
policySetCommand.Action(setPolicy)
|
|
}
|
|
|
|
func setPolicy(context *kingpin.ParseContext) error {
|
|
rep := mustOpenRepository(nil)
|
|
mgr := snapshot.NewManager(rep)
|
|
_ = mgr
|
|
|
|
targets, err := policyTargets(policySetGlobal, policySetTargets)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
for _, target := range targets {
|
|
p, err := mgr.GetPolicy(target)
|
|
if err == snapshot.ErrPolicyNotFound {
|
|
p = &snapshot.Policy{
|
|
Source: *target,
|
|
}
|
|
}
|
|
|
|
if err := applyPolicyNumber(target, "number of annual backups to keep", &p.Expiration.KeepAnnual, *policySetKeepAnnual); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := applyPolicyNumber(target, "number of monthly backups to keep", &p.Expiration.KeepMonthly, *policySetKeepMonthly); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := applyPolicyNumber(target, "number of weekly backups to keep", &p.Expiration.KeepWeekly, *policySetKeepWeekly); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := applyPolicyNumber(target, "number of daily backups to keep", &p.Expiration.KeepDaily, *policySetKeepDaily); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := applyPolicyNumber(target, "number of hourly backups to keep", &p.Expiration.KeepHourly, *policySetKeepHourly); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := applyPolicyNumber(target, "number of latest backups to keep", &p.Expiration.KeepLatest, *policySetKeepLatest); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := mgr.SavePolicy(p); err != nil {
|
|
return fmt.Errorf("can't save policy for %v: %v", target, err)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func applyPolicyNumber(src *snapshot.SourceInfo, desc string, val **int, str string) error {
|
|
if str == "" {
|
|
// not changed
|
|
return nil
|
|
}
|
|
|
|
if str == "inherit" || str == "default" {
|
|
log.Printf("Resetting %v for %q to a default value inherited from parent.", desc, src)
|
|
*val = nil
|
|
return nil
|
|
}
|
|
|
|
v, err := strconv.ParseInt(str, 10, 32)
|
|
if err != nil {
|
|
return fmt.Errorf("can't parse the %v %q: %v", desc, str, err)
|
|
}
|
|
|
|
i := int(v)
|
|
log.Printf("Setting %v on %q to %v.", desc, src, i)
|
|
*val = &i
|
|
return nil
|
|
}
|