backup/addr.go

113 lines
2.4 KiB
Go
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2023-06-29 22:58:24 +02:00
package main
import (
"errors"
"regexp"
"strings"
log "github.com/sirupsen/logrus"
)
type Addr string
var (
reBox = regexp.MustCompile(`^[a-zA-Z0-9\-_\.]+$`)
rePath = regexp.MustCompile(`^(/){0,1}[a-zA-Z0-9\-_\.]+(/[a-zA-Z0-9\-_\.]+)+$`)
)
func (a Addr) Box() string {
s := strings.Split(string(a), `:`)
box := s[0]
if reBox.MatchString(box) {
return box
} else {
return ""
}
}
func (a Addr) Path() string {
s := strings.Split(string(a), `:`)
path := s[1]
if rePath.MatchString(path) {
return path
} else {
return ""
}
}
func (a Addr) Append(path string) Addr {
newPath := a.Path() + path
if rePath.MatchString(newPath) {
return Addr(a.Box() + ":" + newPath)
} else {
return ""
}
}
func (a Addr) BoxExec(cmd string) (string, error) {
log.WithFields(log.Fields{"addr": a}).Debugf("starting")
defer log.WithFields(log.Fields{"addr": a}).Debugf("done")
if b, ok := cfg.box[a.Box()]; !ok {
err := errors.New("box doesn't exist")
log.WithFields(log.Fields{"addr": a, "box": a.Box()}).Errorf("")
return "", err
} else {
return b.Exec(cmd)
}
}
func (a Addr) Exec() (string, error) {
log.WithFields(log.Fields{"addr": a}).Debugf("starting")
defer log.WithFields(log.Fields{"addr": a}).Debugf("done")
return a.BoxExec(a.Path())
}
func (a Addr) ValidSnapshots() ([]*ZfsSnapshot, error) {
log.WithFields(log.Fields{"addr": a}).Debugf("starting")
defer log.WithFields(log.Fields{"addr": a}).Debugf("done")
if b, ok := cfg.box[a.Box()]; !ok {
err := errors.New("box doesn't exist")
log.WithFields(log.Fields{"addr": a, "box": a.Box()}).Errorf("")
return nil, err
} else {
if fs, ok := b.zfs.filesystems[a.Path()]; ok {
return fs.ValidSnapshots(), nil
} else {
err := errors.New("path doesn't exist")
log.WithFields(log.Fields{"addr": a}).Errorf("")
return nil, err
}
}
}
func (a Addr) Mkdir() error {
log.WithFields(log.Fields{"addr": a}).Debugf("starting")
defer log.WithFields(log.Fields{"addr": a}).Debugf("done")
if b, ok := cfg.box[a.Box()]; !ok {
err := errors.New("box doesn't exist")
log.WithFields(log.Fields{"addr": a, "box": a.Box()}).Errorf("")
return err
} else {
return b.zfs.Mkdir(a.Path())
}
}
func (a Addr) String() string {
return string(a)
}
func (a Addr) Online() bool {
log.WithFields(log.Fields{"addr": a}).Debugf("starting")
defer log.WithFields(log.Fields{"addr": a}).Debugf("done")
if b, ok := cfg.box[a.Box()]; !ok {
return false
} else {
return b.online
}
}