v2 #2

Merged
shoopea merged 29 commits from v2 into master 2023-08-21 20:03:11 +02:00
18 changed files with 1646 additions and 1441 deletions
Showing only changes of commit 35e234533c - Show all commits

112
addr.go Normal file
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@ -0,0 +1,112 @@
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
}
}

1097
app.go

File diff suppressed because it is too large Load Diff

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@ -3,20 +3,17 @@ package main
import (
"flag"
"fmt"
"log"
"os"
"time"
log "github.com/sirupsen/logrus"
)
var (
appFlag = flag.String("app", "", "run specific app")
cfgFile = flag.String("config", "config.json", "config file")
schedFlag = flag.String("schedule", "", "specific schedule")
slowFlag = flag.Bool("slow", false, "slow process")
testFlag = flag.Bool("test", false, "test run")
debugFlag = flag.Bool("debug", false, "debug")
testMailFlag = flag.Bool("test-mail", false, "test email setup")
stopOnErrorFlag = flag.Bool("stop-on-error", false, "stop processing on error")
isDaemon = flag.Bool("daemon", false, "run as daemon")
debug = flag.Bool("debug", false, "log debug messages")
logFile = flag.String("logfile", "", "log file")
cfg Config
email *Email
)
@ -26,70 +23,41 @@ func main() {
fmt.Printf("backup (%s)\n", version)
if *debug {
log.SetLevel(log.DebugLevel)
}
if *logFile != "" {
if f, err := os.OpenFile(*logFile, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0644); err != nil {
log.Printf("Cannot open logfile (%s)", err)
} else {
log.SetOutput(f)
defer f.Close()
}
}
log.SetReportCaller(true)
email = new(Email)
email.startTime = time.Now()
email.items = make([]string, 0)
err := cfg.Load()
if err != nil {
if err := cfg.LoadFile(*cfgFile); err != nil {
log.Printf("Cannot load config (%s)", err)
os.Exit(1)
}
if *testMailFlag {
SendMail(cfg.Email.SmtpHost, cfg.Email.FromEmail, "test backup email topic", "test backup email body", cfg.Email.ToEmail)
if *isDaemon {
cfg.Start(nil)
server := NewServer(cfg.Admin.Addr, cfg.Admin.Username, cfg.Admin.Password)
server.Run()
} else {
e := NewEmail(time.Now())
cfg.Start(e)
defer cfg.Stop(e)
cfg.Run(e)
os.Exit(0)
}
err = RunBackup(*appFlag, *stopOnErrorFlag)
if err != nil {
log.Printf("Cannot run schedule (%s)", err)
os.Exit(1)
}
if len(email.items) > 0 {
body := " - " + email.items[0]
for _, v := range email.items[1:] {
body = body + "\r\n" + " - " + v
}
SendMail(cfg.Email.SmtpHost, cfg.Email.FromEmail, "Autobackup report", body, cfg.Email.ToEmail)
log.Printf("Sending summary email\r\n%v", email.items)
}
}
//RunBackup run all backup targets where schedule is registered
func RunBackup(app string, stopOnError bool) error {
if app == "" {
if *debugFlag {
log.Printf("RunBackup() : Start")
}
for _, a := range cfg.Apps {
err := a.RunAppBackup()
if err != nil {
if *debugFlag {
log.Printf("RunBackup() : Error running %s", a.Name)
}
if stopOnError {
return err
}
}
}
} else {
if *debugFlag {
log.Printf("RunBackup() : Start %s", app)
}
for _, a := range cfg.Apps {
if a.Name == app {
err := a.RunAppBackup()
if err != nil {
if *debugFlag {
log.Printf("RunBackup() : Error running %s", a.Name)
}
return err
}
}
}
}
return nil
}

536
box.go
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@ -1,423 +1,205 @@
package main
import (
"bytes"
"encoding/csv"
"fmt"
"log"
"strings"
"errors"
"regexp"
"sync"
"github.com/silenceper/pool"
log "github.com/sirupsen/logrus"
"golang.org/x/crypto/ssh"
)
type Box struct {
Addr string `json:"addr"`
User string `json:"user"`
Key string `json:"key"`
Name string `json:"-"`
ssh *SSHConfig
zfs *ZFSConfig
name string
addr string
user string
key string
zfs *BoxZfs
sshPool pool.Pool
created bool
online bool
mx sync.Mutex
}
func (b *Box) ZFSTakeSnapshot(schedule, path string) (err error) {
if *debugFlag {
log.Printf("Box.ZFSTakeSnapshot : %s : Taking snapshot on %s for %s", b.Name, path, schedule)
type BoxSshPool struct {
signer ssh.Signer
config *ssh.ClientConfig
client *ssh.Client
logged bool
mx sync.Mutex
}
if !b.online {
err = fmt.Errorf("box offline")
return
func (c *Config) NewBox(name, addr, user, key string) (b *Box, err error) {
log.WithFields(log.Fields{"name": name, "addr": addr, "user": user, "key": key}).Debugf("starting")
defer log.WithFields(log.Fields{"name": name, "addr": addr, "user": user, "key": key}).Debugf("done")
re := regexp.MustCompile(boxNamePattern)
if !re.MatchString(name) {
err := errors.New("invalid name")
log.WithFields(log.Fields{"name": b.name, "error": err}).Errorf("")
return nil, err
}
err = b.SnapshotInitialize()
p, err := NewSshPool(name, addr, user, key)
if err != nil {
return
log.WithFields(log.Fields{"name": b.name, "call": "NewSshPool", "error": err}).Errorf("")
return nil, err
}
b.zfs.M.Lock()
defer b.zfs.M.Unlock()
timestamp := cfg.Now.Format("2006-01-02_15.04.05")
name := fmt.Sprintf("%s-%s--%s", schedule, timestamp, cfg.Zfsnap[schedule])
_, err = b.ssh.exec("zfs snapshot " + path + "@" + name)
if err != nil {
return
b = &Box{
name: name,
addr: addr,
user: user,
key: key,
zfs: &BoxZfs{
online: false,
},
sshPool: p,
online: false,
created: true,
}
b.zfs.SnapshotAdded = true
b.zfs.SnapshotList = append(b.zfs.SnapshotList, Snapshot(path+"@"+name))
b.zfs.box = b
return
return b, nil
}
func (b *Box) ZFSGetLastSnapshot(path string) (last Snapshot, err error) {
if *debugFlag {
log.Printf("Box.ZFSGetLastSnapshot : %s : Start %s (%d snapshots)", b.Name, path, len(b.zfs.SnapshotList))
}
func (b *Box) Open() error {
log.WithFields(log.Fields{"name": b.name}).Debugf("starting")
defer log.WithFields(log.Fields{"name": b.name}).Debugf("done")
if !b.online {
err = fmt.Errorf("box offline")
return
}
b.mx.Lock()
defer b.mx.Unlock()
err = b.SnapshotInitialize()
if err != nil {
return last, err
}
b.zfs.M.Lock()
defer b.zfs.M.Unlock()
for _, v := range b.zfs.SnapshotList {
if v.Path() == path {
last = v
}
}
if len(string(last)) == 0 {
err = fmt.Errorf("no snapshot")
}
return
}
func (b *Box) ZFSIsLastSnapshot(src Snapshot) (is bool, err error) {
if *debugFlag {
log.Printf("Box.ZFSIsLastSnapshot : %s : Start %s", b.Name, string(src))
}
if !b.online {
err = fmt.Errorf("box offline")
return
}
err = b.SnapshotInitialize()
if err != nil {
return
}
_, err = b.ZFSGetNextSnapshot(src)
if err != nil {
if err.Error() == "no snapshot" {
is = true
err = nil
}
} else {
is = false
}
return
}
func (b *Box) ZFSGetFirstSnapshot(path string) (first Snapshot, err error) {
if *debugFlag {
log.Printf("Box.ZFSGetFirstSnapshot : %s : Start %s", b.Name, path)
}
if !b.online {
err = fmt.Errorf("box offline")
return
}
err = b.SnapshotInitialize()
if err != nil {
return
}
b.zfs.M.Lock()
defer b.zfs.M.Unlock()
for _, v := range b.zfs.SnapshotList {
if v.Path() == path {
first = v
return
}
}
err = fmt.Errorf("no snapshot")
return
}
func (b *Box) ZFSGetNextSnapshot(src Snapshot) (next Snapshot, err error) {
if *debugFlag {
log.Printf("Box.ZFSGetNextSnapshot : %s : Start %s", b.Name, string(src))
}
if !b.online {
err = fmt.Errorf("box offline")
return
}
err = b.SnapshotInitialize()
if err != nil {
return
}
b.zfs.M.Lock()
defer b.zfs.M.Unlock()
for id, v := range b.zfs.SnapshotList {
if v == src {
if len(b.zfs.SnapshotList) > id+1 {
next = b.zfs.SnapshotList[id+1]
if next.Path() == src.Path() {
return
} else {
err = fmt.Errorf("no snapshot")
return
}
} else {
err = fmt.Errorf("no snapshot")
return
}
}
}
err = fmt.Errorf("no snapshot")
return
}
func (b *Box) ZFSUpdateSnapshotList() (err error) {
if *debugFlag {
log.Printf("Box.ZFSUpdateSnapshotList : %s : Start", b.Name)
}
if !b.online {
err = fmt.Errorf("box offline")
return
}
b.zfs.M.Lock()
if b.zfs.SnapshotDeleted || b.zfs.SnapshotAdded {
b.zfs.SnapshotInitialized = false
}
b.zfs.M.Unlock()
err = b.SnapshotInitialize()
return
}
func (b *Box) ZFSGetSnapshotList() (snaps []Snapshot, err error) {
if *debugFlag {
log.Printf("Box.ZFSGetSnapshotList : %s : Start", b.Name)
}
if !b.online {
err = fmt.Errorf("box offline")
return
}
err = b.SnapshotInitialize()
if err != nil {
return
}
b.zfs.M.Lock()
defer b.zfs.M.Unlock()
snaps = b.zfs.SnapshotList
return
}
func (b *Box) SnapshotInitialize() (err error) {
if *debugFlag {
log.Printf("Box.SnapshotInitialize : %s : Start", b.Name)
}
if !b.online {
err = fmt.Errorf("box offline")
return
}
b.zfs.M.Lock()
defer b.zfs.M.Unlock()
if b.zfs.SnapshotInitialized {
if b.online {
return nil
}
if *debugFlag {
log.Printf("Box.SnapshotInitialize : %s : Start", b.Name)
}
b.zfs.SnapshotList = make([]Snapshot, 0)
var buf *bytes.Buffer
buf, err = b.SSHExec("zfs list -H -t snapshot -o name")
csvReader := csv.NewReader(buf)
csvReader.Comma = '\t'
csvReader.FieldsPerRecord = 1
csvData, err := csvReader.ReadAll()
hostname, err := b.Exec("hostname")
if err != nil {
if *debugFlag {
log.Printf("Box.SnapshotInitialize : %s : csvReader.ReadAll() : %s", b.Name, err)
}
log.WithFields(log.Fields{"name": b.name, "call": "Exec", "attr": "hostname", "error": err}).Errorf("")
return err
}
for _, rec := range csvData {
b.zfs.SnapshotList = append(b.zfs.SnapshotList, Snapshot(rec[0]))
}
log.WithFields(log.Fields{"name": b.name}).Debugf("hostname : %s", hostname)
if *debugFlag {
log.Printf("Box.SnapshotInitialize : %s : read %d zfs snapshots", b.Name, len(b.zfs.SnapshotList))
}
b.online = true
b.zfs.SnapshotInitialized = true
b.zfs.SnapshotAdded = false
b.zfs.SnapshotDeleted = false
return nil
}
func (b *Box) ZFSUpdateList() (err error) {
if *debugFlag {
log.Printf("Box.ZFSUpdateList : %s : Start", b.Name)
}
if !b.online {
err = fmt.Errorf("box offline")
return
}
b.zfs.M.Lock()
if b.zfs.ZFSDeleted || b.zfs.ZFSAdded {
b.zfs.ZFSInitialized = false
}
b.zfs.M.Unlock()
err = b.ZFSInitialize()
return
}
func (b *Box) ZFSIsZFS(path string) bool {
if *debugFlag {
log.Printf("Box.ZFSIsZFS : %s : Start %s", b.Name, path)
}
if !b.online {
return false
}
err := b.ZFSInitialize()
if err != nil {
return false
}
b.zfs.M.Lock()
defer b.zfs.M.Unlock()
if _, ok := b.zfs.ZFSMap[path]; ok {
return true
}
return false
}
func (b *Box) ZFSCreateZFS(path string) (err error) {
if *debugFlag {
log.Printf("Box.ZFSCreateZFS : %s : Start %s", b.Name, path)
}
if !b.online {
err = fmt.Errorf("box offline")
return
}
err = b.ZFSInitialize()
if err != nil {
return
}
b.zfs.M.Lock()
defer b.zfs.M.Unlock()
p := strings.Split(path, `/`)
var base string
for _, d := range p {
if base == "" {
base = d
} else {
base = base + `/` + d
}
if _, ok := b.zfs.ZFSMap[base]; !ok {
if *debugFlag {
log.Printf("Box.ZFSCreateZFS : Creating %s:%s", b.Name, base)
}
_, err = b.SSHExec("zfs create -o mountpoint=none " + base)
if err != nil {
if *debugFlag {
log.Printf("Box.ZFSCreateZFS : %s : SSHExec : %s", b.Name, err)
}
return
}
b.zfs.ZFSMap[base] = "none"
b.zfs.ZFSAdded = true
}
}
return
}
func (b *Box) ZFSInitialize() (err error) {
b.zfs.M.Lock()
defer b.zfs.M.Unlock()
if *debugFlag {
log.Printf("Box.ZFSInitialize : %s : Start", b.Name)
}
if !b.online {
err = fmt.Errorf("box offline")
return
}
if b.zfs.ZFSInitialized {
return nil
}
if *debugFlag {
log.Printf("Box.ZFSInitialize : %s : Start", b.Name)
}
b.zfs.ZFSMap = make(map[string]string)
var buf *bytes.Buffer
buf, err = b.SSHExec("zfs list -H -o name,mountpoint")
csvReader := csv.NewReader(buf)
csvReader.Comma = '\t'
csvReader.FieldsPerRecord = 2
csvData, err := csvReader.ReadAll()
if err != nil {
if *debugFlag {
log.Printf("Box.ZFSInitialize : %s : csvReader.ReadAll() : %s", b.Name, err)
}
if err := b.zfs.Open(); err != nil {
log.WithFields(log.Fields{"name": b.name, "call": "zfs.Open", "error": err}).Errorf("")
return err
}
for _, rec := range csvData {
b.zfs.ZFSMap[rec[0]] = rec[1]
return nil
}
b.zfs.ZFSInitialized = true
b.zfs.ZFSAdded = false
b.zfs.ZFSDeleted = false
func (b *Box) Close() error {
log.WithFields(log.Fields{"name": b.name}).Debugf("starting")
defer log.WithFields(log.Fields{"name": b.name}).Debugf("done")
b.mx.Lock()
defer b.mx.Unlock()
if !b.online {
return nil
}
if err := b.zfs.Close(); err != nil {
log.WithFields(log.Fields{"name": b.name, "call": "zfs.Close", "error": err}).Errorf("")
return err
}
b.online = false
return nil
}
func (b *Box) SSHExec(cmd string) (buf *bytes.Buffer, err error) {
if !b.online {
err = fmt.Errorf("box offline")
return
func (b *Box) Exec(cmd string) (r string, err error) {
log.WithFields(log.Fields{"name": b.name, "cmd": cmd}).Debugf("starting")
defer log.WithFields(log.Fields{"name": b.name, "cmd": cmd}).Debugf("done")
if !b.created {
err := errors.New("box not initialized")
log.WithFields(log.Fields{"name": b.name, "error": err}).Errorf("")
return "", err
}
buf, err = b.ssh.exec(cmd)
return
v, err := b.sshPool.Get()
if err != nil {
log.WithFields(log.Fields{"name": b.name, "error": err, "call": "SshPool.Get"}).Errorf("")
return "", err
}
func (b *Box) Host() string {
s := strings.Split(string(b.Addr), `:`)
return s[0]
defer b.sshPool.Put(v)
s := v.(*Ssh)
return s.Exec(cmd)
}
func TransferZfs(from, to Addr) error {
log.WithFields(log.Fields{"from": from, "to": to}).Debugf("starting")
defer log.WithFields(log.Fields{"from": from, "to": to}).Debugf("done")
var (
err error
fromSnapshots, toSnapshots []*ZfsSnapshot
)
if fromSnapshots, err = from.ValidSnapshots(); err != nil {
log.WithFields(log.Fields{"from": from, "to": to, "call": "ValidSnapshots", "attr": from, "error": err}).Errorf("")
return err
}
if len(fromSnapshots) == 0 {
return nil
}
if toSnapshots, err = to.ValidSnapshots(); err != nil {
log.WithFields(log.Fields{"from": from, "to": to, "call": "ValidSnapshots", "attr": to, "error": err}).Errorf("")
return err
}
if len(toSnapshots) == 0 {
log.WithFields(log.Fields{"from": from, "to": to}).Debugf("initiating destination")
if _, err := to.BoxExec("ssh " + from.Box() + " zfs send " + fromSnapshots[0].String() + " | zfs recv -F " + to.Path()); err != nil {
log.WithFields(log.Fields{"from": from, "to": to, "call": "BoxExec", "error": err}).Errorf("")
return err
}
newToSnapshot := &ZfsSnapshot{name: fromSnapshots[0].name, fs: cfg.box[to.Box()].zfs.filesystems[to.Path()]}
toSnapshots = append(toSnapshots, newToSnapshot)
cfg.box[to.Box()].zfs.filesystems[to.Path()].AddSnapshot(newToSnapshot)
}
fromFromSnapshotId := -1
lastToSnapshot := toSnapshots[len(toSnapshots)-1]
log.WithFields(log.Fields{"from": from, "to": to}).Debugf("searching last snapshot %s", lastToSnapshot.String())
for id, v := range fromSnapshots {
if v.name == lastToSnapshot.name {
fromFromSnapshotId = id
log.WithFields(log.Fields{"from": from, "to": to}).Debugf("found %s", v.String())
break
}
}
if fromFromSnapshotId == -1 {
err := errors.New("zfs snapshot unsync")
log.WithFields(log.Fields{"from": from, "to": to, "error": err}).Errorf("")
return err
}
if fromSnapshots[fromFromSnapshotId].name != lastToSnapshot.name {
log.WithFields(log.Fields{"from": from, "to": to}).Debugf("transfering from %s to %s", fromSnapshots[fromFromSnapshotId].name, fromSnapshots[len(fromSnapshots)-1].name)
if _, err := to.BoxExec("ssh " + from.Box() + " zfs send -I " + fromSnapshots[fromFromSnapshotId].String() + " " + fromSnapshots[len(fromSnapshots)-1].String() + " | zfs recv -F " + to.Path()); err != nil {
log.WithFields(log.Fields{"from": from, "to": to, "call": "BoxExec", "error": err}).Errorf("")
return err
}
for _, v := range fromSnapshots[fromFromSnapshotId:] {
cfg.box[to.Box()].zfs.filesystems[to.Path()].AddSnapshot(&ZfsSnapshot{name: v.name, fs: cfg.box[to.Box()].zfs.filesystems[to.Path()]})
}
}
return nil
}

312
config.go
View File

@ -1,227 +1,199 @@
package main
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"log"
"regexp"
"sync"
"time"
"golang.org/x/crypto/ssh"
log "github.com/sirupsen/logrus"
)
type Config struct {
Zfsnap map[string]string `json:"zfsnap"`
Box map[string]*Box `json:"box"`
ScheduleDuration map[string]string `json:"schedule"`
Box map[string]BoxConfig `json:"box"`
Email EmailConfig `json:"email"`
Apps []AppConfig `json:"apps"`
Timezone string `json:"timezone"`
Now time.Time `json:"-"`
Debug bool `json:"debug"`
Admin AdminConfig `json:"admin"`
box map[string]*Box `json:"-"`
apps map[string]*App `json:"-"`
timezone *time.Location `json:"-"`
}
type AdminConfig struct {
Addr string `json:"addr"`
Username string `json:"username"`
Password string `json:"password"`
}
type BoxConfig struct {
Addr string `json:"addr"`
User string `json:"user"`
Key string `json:"key"`
}
type AppConfig struct {
Name string `json:"name"`
Schedule []string `json:"schedule"`
Sources []string `json:"src"`
Destinations []string `json:"dest"`
Before map[string]string `json:"before"`
After map[string]string `json:"after"`
Active bool `json:"active"`
}
// Load config from file
func (c *Config) Load() error {
if *debugFlag {
log.Printf("SSHConfig.Load : Start")
}
b, err := ioutil.ReadFile(*cfgFile)
func (c *Config) LoadFile(path string) error {
log.WithFields(log.Fields{"path": path}).Debugf("starting")
defer log.WithFields(log.Fields{"path": path}).Debugf("done")
b, err := ioutil.ReadFile(path)
if err != nil {
if *debugFlag {
log.Printf("Config.Load : ioutil.ReadFile(%s) : %s", *cfgFile, err)
}
log.WithFields(log.Fields{"path": path, "error": err, "call": "ioutil.ReadFile"}).Errorf("")
return err
}
err = json.Unmarshal(b, &c)
if err != nil {
if *debugFlag {
log.Printf("Config.Load : json.Unmarshal : %s", err)
}
log.WithFields(log.Fields{"path": path, "error": err, "call": "json.Unmarshal"}).Errorf("")
return err
}
if *debugFlag {
log.Printf("Config.Load :\r\n%v", cfg)
}
l, err := time.LoadLocation(cfg.Timezone)
c.timezone, err = time.LoadLocation(cfg.Timezone)
if err != nil {
if *debugFlag {
log.Printf("Config.Load : time.LoadLocation : %s", err)
}
log.WithFields(log.Fields{"path": path, "error": err, "call": "time.LoadLocation", "attr": cfg.Timezone}).Errorf("")
return err
}
if len(cfg.Email.SmtpHost) == 0 {
if *debugFlag {
log.Printf("Config.Load : no smtp")
}
return fmt.Errorf("no smtp")
err := fmt.Errorf("no smtp")
log.WithFields(log.Fields{"path": path, "error": err}).Errorf("")
return err
}
if len(cfg.Email.FromEmail) == 0 {
if *debugFlag {
log.Printf("Config.Load : no email from")
}
return fmt.Errorf("no email from")
err := fmt.Errorf("no email from")
log.WithFields(log.Fields{"path": path, "error": err}).Errorf("")
return err
}
if len(cfg.Email.ToEmail) == 0 {
if *debugFlag {
log.Printf("Config.Load : no email to")
}
return fmt.Errorf("no email to")
err := fmt.Errorf("no email to")
log.WithFields(log.Fields{"path": path, "error": err}).Errorf("")
return err
}
c.Now = time.Now().In(l)
for k, v := range c.ScheduleDuration {
switch k {
case "hourly":
case "daily":
case "weekly":
case "monthly":
case "yearly":
if _, err := Expiration(time.Now(), v); err != nil {
log.WithFields(log.Fields{"path": path, "schedule": k, "deadline": v, "error": err}).Errorf("")
return err
}
default:
err := errors.New("invalid schedule")
log.WithFields(log.Fields{"path": path, "schedule": k, "deadline": v, "error": err}).Errorf("")
return err
}
}
c.box = make(map[string]*Box)
for k, v := range c.Box {
v.Name = k
v.online = false
v.zfs = NewZFSConfig()
s := &SSHConfig{
logged: false,
name: k,
}
v.ssh = s
keyRaw, err := ioutil.ReadFile(v.Key)
if err != nil {
if *debugFlag {
log.Printf("Config.Load : ioutil.ReadFile(%s) : %s", k, err)
}
if b, err := c.NewBox(k, v.Addr, v.User, v.Key); err != nil {
log.WithFields(log.Fields{"path": path, "call": "NewBox", "attr": k, "error": err}).Errorf("")
return err
}
key, err := ssh.ParseRawPrivateKey(keyRaw)
if err != nil {
if *debugFlag {
log.Printf("Config.Load : ssh.ParseRawPrivateKey(%s) : %s", k, err)
}
return err
}
s.signer, err = ssh.NewSignerFromKey(key)
if err != nil {
if *debugFlag {
log.Printf("Config.Load : ssh.NewSignerFromKey(%s) : %s", k, err)
}
return err
}
s.config = &ssh.ClientConfig{
User: v.User,
Auth: []ssh.AuthMethod{
ssh.PublicKeys(s.signer),
},
HostKeyCallback: ssh.InsecureIgnoreHostKey(),
Timeout: 5 * time.Second,
}
s.client, err = ssh.Dial("tcp", v.Addr, s.config)
if err != nil {
if *debugFlag {
log.Printf("Config.Load : ssh.Dial(%s) : %s", k, err)
}
} else {
v.online = true
session, err := s.client.NewSession()
if err != nil {
if *debugFlag {
log.Printf("Config.Load : client.NewSession(%s) : %s", k, err)
}
if _, ok := c.box[k]; ok {
err := errors.New("already exists")
log.WithFields(log.Fields{"path": path, "attr": k, "error": err}).Errorf("")
return err
}
var b bytes.Buffer
session.Stdout = &b
err = session.Run("TZ=\"" + cfg.Timezone + "\" zfsnap --version")
if err != nil {
if *debugFlag {
log.Printf("Config.Load : client.NewSession(%s) : %s", k, err)
}
return err
}
if *debugFlag {
log.Printf("Config.Load : logged into %s : %s", k, b.String())
}
session.Close()
s.logged = true
c.box[k] = b
}
}
for _, app := range c.Apps {
for _, src := range app.Sources {
if !src.Valid() {
return fmt.Errorf("Source not valid : %s", string(src))
}
if _, ok := cfg.Box[src.Box()]; !ok {
return fmt.Errorf("No box defined for source : %s", string(src))
}
if !cfg.Box[src.Box()].online {
email.items = append(email.items, fmt.Sprintf("Source box offline for app : %s", app.Name))
}
}
var allOffline bool = true
for _, dest := range app.Destinations {
if !dest.Valid() {
return fmt.Errorf("Destination not valid : %s", string(dest))
}
if _, ok := cfg.Box[dest.Box()]; !ok {
return fmt.Errorf("No box defined for destination : %s", string(dest))
}
if cfg.Box[dest.Box()].online {
allOffline = false
}
}
if allOffline {
email.items = append(email.items, fmt.Sprintf("No online destination box for app : %s", app.Name))
}
for val, before := range app.Before {
_, err = regexp.Compile(val)
if err != nil {
if *debugFlag {
log.Printf("Config.Load : invalid regex : %s", val)
}
c.apps = make(map[string]*App)
for _, v := range c.Apps {
if a, err := c.NewApp(v.Name, v.Sources, v.Destinations, v.Schedule, v.Before, v.After); err != nil {
log.WithFields(log.Fields{"path": path, "call": "NewApp", "attr": v.Name, "error": err}).Errorf("")
return err
} else {
if _, ok := c.apps[v.Name]; ok {
err := errors.New("app already exists")
log.WithFields(log.Fields{"path": path, "app": v.Name, "error": err}).Errorf("")
return err
}
if !before.Valid() {
return fmt.Errorf("Before not valid : %s", string(before))
}
if _, ok := cfg.Box[before.Box()]; !ok {
return fmt.Errorf("No box defined for before : %s", string(before))
}
if !cfg.Box[before.Box()].online {
email.items = append(email.items, fmt.Sprintf("Before box offline for app : %s", app.Name))
}
}
for val, after := range app.After {
_, err = regexp.Compile(val)
if err != nil {
if *debugFlag {
log.Printf("Config.Load : invalid regex : %s", val)
}
return err
}
if !after.Valid() {
return fmt.Errorf("After not valid : %s", string(after))
}
if _, ok := cfg.Box[after.Box()]; !ok {
return fmt.Errorf("No box defined for after : %s", string(after))
}
if !cfg.Box[after.Box()].online {
email.items = append(email.items, fmt.Sprintf("After box offline for app : %s", app.Name))
}
c.apps[v.Name] = a
}
}
return nil
}
//Close config
func (c *Config) Close() error {
return nil
func (c *Config) Start(e *Email) {
log.WithFields(log.Fields{}).Debugf("starting")
defer log.WithFields(log.Fields{}).Debugf("done")
var wg sync.WaitGroup
for _, b := range c.box {
wg.Add(1)
go func(box *Box) {
defer wg.Done()
if err := box.Open(); err != nil {
log.WithFields(log.Fields{"name": box.name, "call": "Open", "error": err}).Errorf("")
if e != nil {
e.AddItem(fmt.Sprintf(" - Box : %s is down", box.name))
}
return
}
}(b)
}
wg.Wait()
}
// Run config
func (c *Config) Run(e *Email) {
log.WithFields(log.Fields{}).Debugf("starting")
defer log.WithFields(log.Fields{}).Debugf("done")
var wg sync.WaitGroup
for _, a := range cfg.apps {
wg.Add(1)
go func(app *App) {
if err := app.Run(e.startTime); err != nil {
e.AddItem(fmt.Sprintf(" - App : Error running %s (%s)", app.name, err))
}
wg.Done()
}(a)
}
wg.Wait()
return
}
func (c *Config) Stop(e *Email) {
log.WithFields(log.Fields{}).Debugf("starting")
defer log.WithFields(log.Fields{}).Debugf("done")
for _, b := range c.box {
if err := b.Close(); err != nil {
log.WithFields(log.Fields{"name": b.name, "call": "Close", "error": err}).Errorf("")
}
}
if len(e.items) > 0 {
if err := e.Send(); err != nil {
log.WithFields(log.Fields{"call": "email.Send", "error": err}).Errorf("")
}
}
}

13
const.go Normal file
View File

@ -0,0 +1,13 @@
package main
const (
boxNamePattern = `[a-zA-Z0-9\-_\.]`
zfsManagedPropertyName = "biz.siteop:managed"
zfsSnapshotPattern = `^(?P<Schedule>hourly|daily|weekly|monthly|yearly|adhoc)\-(?P<Timestamp>[0-9]{4}-[0-9]{2}-[0-9]{2}_[0-9]{2}.[0-9]{2}.[0-9]{2})\-\-(?P<Expiration>forever|([0-9]+(h|d|m|y))+)$`
zfsSnapshotDatePattern = "2006-01-02_15.04.05"
serverAddr = ":8080"
serverUsername = "admin"
serverPassword = "8c6976e5b5410415bde908bd4dee15dfb167a9c873fc4bb8a81f6f2ab448a918" //admin
)

1
cron.go Normal file
View File

@ -0,0 +1 @@
package main

View File

@ -2,15 +2,19 @@ package main
import (
"encoding/base64"
"log"
"fmt"
"net/smtp"
"strings"
"sync"
"time"
log "github.com/sirupsen/logrus"
)
type Email struct {
startTime time.Time
items []string
mx sync.Mutex
}
type EmailConfig struct {
@ -19,44 +23,70 @@ type EmailConfig struct {
ToEmail []string `json:"email_to"`
}
func SendMail(addr, from, subject, body string, to []string) error {
if *debugFlag {
log.Printf("SendMail : Start")
func NewEmail(now time.Time) *Email {
log.WithFields(log.Fields{"now": now}).Debugf("starting")
defer log.WithFields(log.Fields{"now": now}).Debugf("done")
return &Email{startTime: now, items: make([]string, 0)}
}
func (e *Email) AddItem(item string) {
log.WithFields(log.Fields{"item": item}).Debugf("starting")
defer log.WithFields(log.Fields{"item": item}).Debugf("done")
e.items = append(e.items, item)
}
func (e *Email) Send() error {
log.WithFields(log.Fields{}).Debugf("starting")
defer log.WithFields(log.Fields{}).Debugf("done")
body := " - " + e.items[0]
for _, item := range e.items[1:] {
body = body + "\r\n" + item
}
subject := fmt.Sprintf("Autobackup report (%s)", e.startTime)
if err := SendMail(cfg.Email.SmtpHost, cfg.Email.FromEmail, subject, body, cfg.Email.ToEmail); err != nil {
log.WithFields(log.Fields{"addr": cfg.Email.SmtpHost, "from": cfg.Email.FromEmail, "subject": subject, "call": "SendMail", "error": err}).Errorf("")
return err
}
return nil
}
func SendMail(addr, from, subject, body string, to []string) error {
log.WithFields(log.Fields{"addr": addr, "from": from, "subject": subject}).Debugf("starting")
defer log.WithFields(log.Fields{"addr": addr, "from": from, "subject": subject}).Debugf("done")
r := strings.NewReplacer("\r\n", "", "\r", "", "\n", "", "%0a", "", "%0d", "")
c, err := smtp.Dial(addr)
if err != nil {
if *debugFlag {
log.Printf("SendMail : %s : smtp.Dial (%s)", addr, err)
}
log.WithFields(log.Fields{"addr": addr, "from": from, "subject": subject, "call": "smtp.Dial", "error": err}).Errorf("")
return err
}
defer c.Close()
if err = c.Mail(r.Replace(from)); err != nil {
if *debugFlag {
log.Printf("SendMail : %s : client.Mail (%s)", from, err)
}
log.WithFields(log.Fields{"addr": addr, "from": from, "subject": subject, "call": "client.Mail", "error": err}).Errorf("")
return err
}
for i := range to {
to[i] = r.Replace(to[i])
if err = c.Rcpt(to[i]); err != nil {
if *debugFlag {
log.Printf("SendMail : %s : client.Rcpt (%s)", to[i], err)
}
log.WithFields(log.Fields{"addr": addr, "from": from, "subject": subject, "call": "client.Rcpt", "attr": to[i], "error": err}).Errorf("")
return err
}
}
w, err := c.Data()
if err != nil {
if *debugFlag {
log.Printf("SendMail : client.Data (%s)", err)
}
log.WithFields(log.Fields{"addr": addr, "from": from, "subject": subject, "call": "client.Date", "error": err}).Errorf("")
return err
}
@ -68,29 +98,21 @@ func SendMail(addr, from, subject, body string, to []string) error {
"Content-Transfer-Encoding: base64\r\n" +
"\r\n" + base64.StdEncoding.EncodeToString([]byte(body))
if *debugFlag {
log.Printf("SendMail :\r\n%s", msg)
}
_, err = w.Write([]byte(msg))
if err != nil {
if *debugFlag {
log.Printf("SendMail : writer.Write (%s)", err)
}
log.WithFields(log.Fields{"addr": addr, "from": from, "subject": subject, "call": "writer.Write", "error": err}).Errorf("")
return err
}
err = w.Close()
if err != nil {
if *debugFlag {
log.Printf("SendMail : writer.Close (%s)", err)
}
log.WithFields(log.Fields{"addr": addr, "from": from, "subject": subject, "call": "writer.Close", "error": err}).Errorf("")
return err
}
err = c.Quit()
if *debugFlag {
log.Printf("SendMail : client.Quit (%s)", err)
}
if err = c.Quit(); err != nil {
log.WithFields(log.Fields{"addr": addr, "from": from, "subject": subject, "call": "client.Quit", "error": err}).Errorf("")
return err
}
return nil
}

6
go.mod
View File

@ -3,6 +3,8 @@ module git.siteop.biz/shoopea/backup
go 1.16
require (
golang.org/x/crypto v0.0.0-20221005025214-4161e89ecf1b
golang.org/x/sys v0.0.0-20221006211917-84dc82d7e875 // indirect
github.com/gin-gonic/gin v1.9.1 // indirect
github.com/silenceper/pool v1.0.0 // indirect
github.com/sirupsen/logrus v1.9.3 // indirect
golang.org/x/crypto v0.9.0
)

124
go.sum
View File

@ -1,12 +1,136 @@
github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=
github.com/bytedance/sonic v1.9.1 h1:6iJ6NqdoxCDr6mbY8h18oSO+cShGSMRGCEo7F2h0x8s=
github.com/bytedance/sonic v1.9.1/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U=
github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY=
github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 h1:qSGYFH7+jGhDF8vLC+iwCD4WpbV1EBDSzWkJODFLams=
github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU=
github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA=
github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
github.com/gin-gonic/gin v1.9.1 h1:4idEAncQnU5cB7BeOkPtxjfCSye0AAm1R0RVIqJ+Jmg=
github.com/gin-gonic/gin v1.9.1/go.mod h1:hPrL7YrpYKXt5YId3A/Tnip5kqbEAP+KLuI3SUcPTeU=
github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
github.com/go-playground/validator/v10 v10.14.0 h1:vgvQWe3XCz3gIeFDm/HnTIbj6UGmg/+t63MyGU2n5js=
github.com/go-playground/validator/v10 v10.14.0/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU=
github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
github.com/klauspost/cpuid/v2 v2.2.4 h1:acbojRNwl3o09bUq+yDCtZFc1aiwaAAxtcn8YkZXnvk=
github.com/klauspost/cpuid/v2 v2.2.4/go.mod h1:RVVoqg1df56z8g3pUjL/3lE5UfnlrJX8tyFgg4nqhuY=
github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk=
github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
github.com/leodido/go-urn v1.2.4 h1:XlAE/cm/ms7TE/VMVoduSpNBoyc2dOxHs5MZSwAN63Q=
github.com/leodido/go-urn v1.2.4/go.mod h1:7ZrI8mTSeBSHl/UaRyKQW1qZeMgak41ANeCNaVckg+4=
github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA=
github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
github.com/pelletier/go-toml/v2 v2.0.8 h1:0ctb6s9mE31h0/lhu+J6OPmVeDxJn+kYnJc2jZR9tGQ=
github.com/pelletier/go-toml/v2 v2.0.8/go.mod h1:vuYfssBdrU2XDZ9bYydBu6t+6a6PYNcZljzZR9VXg+4=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/silenceper/pool v1.0.0 h1:JTCaA+U6hJAA0P8nCx+JfsRCHMwLTfatsm5QXelffmU=
github.com/silenceper/pool v1.0.0/go.mod h1:3DN13bqAbq86Lmzf6iUXWEPIWFPOSYVfaoceFvilKKI=
github.com/sirupsen/logrus v1.4.2 h1:SPIRibHv4MatM3XXNO2BJeFLZwZ2LvZgfQ5+UNI2im4=
github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
github.com/stretchr/testify v1.8.3/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI=
github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08=
github.com/ugorji/go/codec v1.2.11 h1:BMaWp1Bb6fHwEtbplGBGJ498wD+LKlNSl25MjdZY4dU=
github.com/ugorji/go/codec v1.2.11/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg=
github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
golang.org/x/arch v0.3.0 h1:02VY4/ZcO/gBOH6PUaoiptASxtXU10jazRCP865E97k=
golang.org/x/arch v0.3.0/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/crypto v0.0.0-20221005025214-4161e89ecf1b h1:huxqepDufQpLLIRXiVkTvnxrzJlpwmIWAObmcCcUFr0=
golang.org/x/crypto v0.0.0-20221005025214-4161e89ecf1b/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/crypto v0.7.0/go.mod h1:pYwdfH91IfpZVANVyUOhSIPZaFoJGxTFbZhFTx+dXZU=
golang.org/x/crypto v0.9.0 h1:LF6fAI+IutBocDJ2OT0Q1g8plpYljMZ4+lty+dsqw3g=
golang.org/x/crypto v0.9.0/go.mod h1:yrmDGqONDYtNj3tH8X9dzUun2m2lzPa9ngI6/RUPGR0=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc=
golang.org/x/net v0.10.0 h1:X2//UzNDwYmtCLn7To6G58Wr6f5ahEAQgKNzv9Y951M=
golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220704084225-05e143d24a9e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20221006211917-84dc82d7e875 h1:AzgQNqF+FKwyQ5LbVrVqOcuuFB67N47F9+htZYH0wFM=
golang.org/x/sys v0.0.0-20221006211917-84dc82d7e875/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.8.0 h1:EBmGv8NaZBZTWvrbjNoL6HVt+IVy3QDQpJs7VRIw3tU=
golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 h1:v+OssWQX+hTHEmOBgwxdZxK4zHq3yOs8F9J7mk0PY8E=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
golang.org/x/term v0.6.0/go.mod h1:m6U89DPEgQRMq3DNkDClhWw02AUbt2daBVO4cn4Hv9U=
golang.org/x/term v0.8.0 h1:n5xxQn2i3PC0yLAbjTpNT85q/Kgzcr2gIoX9OrJUols=
golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
golang.org/x/text v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE=
golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=

View File

@ -1,20 +1 @@
package main
import "strings"
type Location string
func (l Location) Box() string {
s := strings.Split(string(l), `:`)
return s[0]
}
func (l Location) Path() string {
s := strings.Split(string(l), `:`)
return s[1]
}
func (l Location) Valid() bool {
s := strings.Split(string(l), `:`)
return len(s) == 2
}

44
server.go Normal file
View File

@ -0,0 +1,44 @@
package main
import (
"net/http"
"github.com/gin-gonic/gin"
)
type Server struct {
Addr string
Username string
Password string
}
func NewServer(addr, username, password string) *Server {
s := &Server{
Addr: serverAddr,
Username: serverUsername,
Password: serverPassword,
}
if addr != "" {
s.Addr = addr
}
if username != "" {
s.Username = username
}
if password != "" {
s.Password = password
}
return s
}
func (s *Server) Run() {
r := gin.Default()
r.GET("/ping", func(c *gin.Context) {
c.JSON(http.StatusOK, gin.H{
"message": "pong",
})
})
r.Run(s.Addr) // listen and serve on 0.0.0.0:8080 (for windows "localhost:8080")
}

View File

@ -1,20 +1,123 @@
package main
import "strings"
import (
"errors"
"regexp"
"time"
type Snapshot string
log "github.com/sirupsen/logrus"
)
func (s Snapshot) Path() string {
s2 := strings.Split(string(s), `@`)
return s2[0]
func SnapshotName(schedule string, now time.Time) string {
log.WithFields(log.Fields{"schedule": schedule, "now": now}).Debugf("starting")
log.WithFields(log.Fields{"schedule": schedule, "now": now}).Debugf("done")
return schedule + "-" + now.Format(zfsSnapshotDatePattern) + "--" + cfg.ScheduleDuration[schedule]
}
func (s Snapshot) Name() string {
s2 := strings.Split(string(s), `@`)
return s2[1]
func (s *ZfsSnapshot) Valid() bool {
log.WithFields(log.Fields{"box": s.fs.zfs.box.name, "fs": s.fs.path, "name": s.name}).Debugf("starting")
defer log.WithFields(log.Fields{"box": s.fs.zfs.box.name, "fs": s.fs.path, "name": s.name}).Debugf("done")
re := regexp.MustCompile(zfsSnapshotPattern)
return re.MatchString(s.name)
}
func (s Snapshot) Append(path string) Snapshot {
s2 := strings.Split(string(s), `@`)
return Snapshot(s2[0] + "/" + path + "@" + s2[1])
func (s *ZfsSnapshot) Schedule() (string, error) {
log.WithFields(log.Fields{"box": s.fs.zfs.box.name, "fs": s.fs.path, "name": s.name}).Debugf("starting")
defer log.WithFields(log.Fields{"box": s.fs.zfs.box.name, "fs": s.fs.path, "name": s.name}).Debugf("done")
if !s.Valid() {
err := errors.New("invalid name")
log.WithFields(log.Fields{"box": s.fs.zfs.box.name, "fs": s.fs.path, "name": s.name, "call": "Valid", "error": err}).Errorf("")
return "", err
}
re := regexp.MustCompile(zfsSnapshotPattern)
return re.ReplaceAllString(s.name, "${Schedule}"), nil
}
func (s *ZfsSnapshot) Expiration() (time.Time, error) {
log.WithFields(log.Fields{"box": s.fs.zfs.box.name, "fs": s.fs.path, "name": s.name}).Debugf("starting")
defer log.WithFields(log.Fields{"box": s.fs.zfs.box.name, "fs": s.fs.path, "name": s.name}).Debugf("done")
if !s.Valid() {
err := errors.New("invalid name")
log.WithFields(log.Fields{"box": s.fs.zfs.box.name, "fs": s.fs.path, "name": s.name, "call": "Valid", "error": err}).Errorf("")
return time.Now(), err
}
re := regexp.MustCompile(zfsSnapshotPattern)
expirationString := re.ReplaceAllString(s.name, "${Expiration}")
timestampTime, err := s.Timestamp()
if err != nil {
log.WithFields(log.Fields{"box": s.fs.zfs.box.name, "fs": s.fs.path, "name": s.name, "call": "Timestamp", "error": err}).Errorf("")
return time.Now(), err
}
return Expiration(timestampTime, expirationString)
}
func (s *ZfsSnapshot) Timestamp() (time.Time, error) {
log.WithFields(log.Fields{"box": s.fs.zfs.box.name, "fs": s.fs.path, "name": s.name}).Debugf("starting")
defer log.WithFields(log.Fields{"box": s.fs.zfs.box.name, "fs": s.fs.path, "name": s.name}).Debugf("done")
t := time.Now()
if !s.Valid() {
err := errors.New("invalid name")
log.WithFields(log.Fields{"box": s.fs.zfs.box.name, "fs": s.fs.path, "name": s.name, "call": "Valid", "error": err}).Errorf("")
return t, err
}
re := regexp.MustCompile(zfsSnapshotPattern)
timestampString := re.ReplaceAllString(s.name, "${Timestamp}")
timestampTime, err := time.ParseInLocation(zfsSnapshotDatePattern, timestampString, cfg.timezone)
if err != nil {
log.WithFields(log.Fields{"box": s.fs.zfs.box.name, "fs": s.fs.path, "name": s.name, "call": "time.Parse", "attr": timestampString, "error": err}).Errorf("")
return t, err
}
return timestampTime, nil
}
func (s *ZfsSnapshot) Expired(now time.Time) (bool, error) {
log.WithFields(log.Fields{"box": s.fs.zfs.box.name, "fs": s.fs.path, "name": s.name}).Debugf("starting")
defer log.WithFields(log.Fields{"box": s.fs.zfs.box.name, "fs": s.fs.path, "name": s.name}).Debugf("done")
if !s.Valid() {
err := errors.New("invalid name")
log.WithFields(log.Fields{"box": s.fs.zfs.box.name, "fs": s.fs.path, "name": s.name, "call": "Valid", "error": err}).Errorf("")
return false, err
}
expirationTime, err := s.Expiration()
if err != nil {
log.WithFields(log.Fields{"box": s.fs.zfs.box.name, "fs": s.fs.path, "name": s.name, "call": "Timestamp", "error": err}).Errorf("")
return false, err
}
if now.After(expirationTime) {
return true, nil
} else {
return false, nil
}
}
func (s *ZfsSnapshot) String() string {
return s.fs.path + "@" + s.name
}
func (s *ZfsSnapshot) Delete() error {
log.WithFields(log.Fields{"box": s.fs.zfs.box.name, "fs": s.fs.path, "name": s.name}).Debugf("starting")
defer log.WithFields(log.Fields{"box": s.fs.zfs.box.name, "fs": s.fs.path, "name": s.name}).Debugf("done")
return s.fs.DelSnapshot(s.name)
}

119
ssh.go
View File

@ -2,46 +2,121 @@ package main
import (
"bytes"
"log"
"os"
"time"
"github.com/silenceper/pool"
log "github.com/sirupsen/logrus"
"golang.org/x/crypto/ssh"
)
type SSHConfig struct {
const SshDialTimeout = time.Duration(10 * time.Second)
const SshInactivityTimeout = time.Duration(time.Minute)
type Ssh struct {
name string
signer ssh.Signer
config *ssh.ClientConfig
client *ssh.Client
logged bool
name string
snapshot []Snapshot
}
func (s *SSHConfig) exec(cmd string) (b *bytes.Buffer, err error) {
if *debugFlag {
log.Printf("SSHConfig.exec : %s : Start %s", s.name, cmd)
func NewSsh(name, addr, user, key string) (*Ssh, error) {
log.WithFields(log.Fields{"name": name, "addr": addr, "user": user, "key": key}).Debugf("starting")
defer log.WithFields(log.Fields{"name": name, "addr": addr, "user": user, "key": key}).Debugf("done")
s := &Ssh{
name: name,
}
k, err := os.ReadFile(key)
if err != nil {
log.WithFields(log.Fields{"name": name, "addr": addr, "user": user, "key": key, "call": "os.ReadFile", "error": err}).Errorf("")
return s, err
}
parsedKey, err := ssh.ParseRawPrivateKey(k)
if err != nil {
log.WithFields(log.Fields{"name": name, "addr": addr, "user": user, "key": key, "call": "ssh.ParseRawPrivateKey", "error": err}).Errorf("")
return s, err
}
s.signer, err = ssh.NewSignerFromKey(parsedKey)
if err != nil {
log.WithFields(log.Fields{"name": name, "addr": addr, "user": user, "key": key, "call": "ssh.NewSignerFromKey", "error": err}).Errorf("")
return s, err
}
s.config = &ssh.ClientConfig{
User: user,
Auth: []ssh.AuthMethod{
ssh.PublicKeys(s.signer),
},
HostKeyCallback: ssh.InsecureIgnoreHostKey(),
Timeout: SshDialTimeout,
}
s.client, err = ssh.Dial("tcp", addr, s.config)
if err != nil {
log.WithFields(log.Fields{"name": name, "addr": addr, "user": user, "key": key, "call": "ssh.Dial", "error": err}).Errorf("")
return s, err
}
return s, nil
}
func (s *Ssh) Close() error {
log.WithFields(log.Fields{"name": s.name}).Debugf("starting")
defer log.WithFields(log.Fields{"name": s.name}).Debugf("done")
return s.client.Close()
}
func NewSshPool(name, addr, user, key string) (pool.Pool, error) {
log.WithFields(log.Fields{"name": name, "addr": addr, "user": user, "key": key}).Debugf("starting")
defer log.WithFields(log.Fields{"name": name, "addr": addr, "user": user, "key": key}).Debugf("done")
//factory Specify the method to create the connection
factory := func() (interface{}, error) { return NewSsh(name, addr, user, key) }
// close Specify the method to close the connection
close := func(v interface{}) error { return v.(*Ssh).Close() }
// Create a connection pool: Initialize the number of connections to 0, the maximum idle connection is 2, and the maximum concurrent connection is 25
poolConfig := &pool.Config{
InitialCap: 0,
MaxIdle: 2,
MaxCap: 25,
Factory: factory,
Close: close,
//Ping: ping,
//The maximum idle time of the connection, the connection exceeding this time will be closed, which can avoid the problem of automatic failure when connecting to EOF when idle
IdleTimeout: SshInactivityTimeout,
}
return pool.NewChannelPool(poolConfig)
}
func (s *Ssh) Exec(cmd string) (string, error) {
log.WithFields(log.Fields{"name": s.name, "cmd": cmd}).Debugf("starting")
defer log.WithFields(log.Fields{"name": s.name, "cmd": cmd}).Debugf("done")
session, err := s.client.NewSession()
if err != nil {
if *debugFlag {
log.Printf("SSHConfig.exec : %s : client().NewSession(%s) : %s", s.name, cmd, err)
}
return
log.WithFields(log.Fields{"name": s.name, "cmd": cmd, "call": "client.NewSession", "error": err}).Errorf("")
return "", err
}
defer session.Close()
var buf bytes.Buffer
b = &buf
session.Stdout = b
var bufout, buferr bytes.Buffer
session.Stdout = &bufout
session.Stderr = &buferr
err = session.Run("TZ=\"" + cfg.Timezone + "\" " + cmd)
if err != nil {
if *debugFlag {
log.Printf("SSHConfig.exec : session(%s).Run(%s) : %s", s.name, cmd, err)
}
return
log.WithFields(log.Fields{"name": s.name, "cmd": cmd, "call": "session.Run", "error": err, "stderr": buferr.String()}).Errorf("")
return "", err
}
session.Close()
return
return bufout.String(), nil
}

41
utils.go Normal file
View File

@ -0,0 +1,41 @@
package main
import (
"errors"
"regexp"
"strconv"
"time"
log "github.com/sirupsen/logrus"
)
func Expiration(now time.Time, deadline string) (time.Time, error) {
log.WithFields(log.Fields{"now": now, "deadline": deadline}).Debugf("starting")
defer log.WithFields(log.Fields{"now": now, "deadline": deadline}).Debugf("done")
if deadline == "forever" {
return time.Unix(1<<63-1, 0), nil
}
reExpiration := regexp.MustCompile(`([0-9]+)([a-z]+)`)
for _, v := range reExpiration.FindAllStringSubmatch(deadline, -1) {
log.WithFields(log.Fields{"now": now, "deadline": deadline}).Debugf("duration[%d] : %v", len(v), v)
count, _ := strconv.Atoi(v[1])
switch v[2] {
case "y":
now = now.AddDate(count, 0, 0)
case "m":
now = now.AddDate(0, count, 0)
case "d":
now = now.AddDate(0, 0, count)
case "h":
now = now.Add(time.Duration(time.Duration(count) * time.Hour))
default:
err := errors.New("invalid duration")
log.WithFields(log.Fields{"now": now, "deadline": deadline, "attr": v[2], "error": err}).Errorf("")
return time.Now(), err
}
}
return now, nil
}

View File

@ -1,6 +1,7 @@
// Code generated by version.sh (@generated) DO NOT EDIT.
package main
var githash = "7f9cf49"
var buildstamp = "2022-10-08_03:14:52"
var commits = "54"
var version = "7f9cf49-b54 - 2022-10-08_03:14:52"
var githash = "fb02d52"
var branch = "v2"
var buildstamp = "2023-06-29_20:53:51"
var commits = "55"
var version = "fb02d52-b55 - 2023-06-29_20:53:51"

View File

@ -1,5 +1,6 @@
# Get the version.
githash=`git rev-parse --short HEAD`
branch=`git rev-parse --abbrev-ref HEAD`
buildstamp=`date -u '+%Y-%m-%d_%H:%M:%S'`
commits=`git rev-list --count master`
# Write out the package.
@ -7,6 +8,7 @@ cat << EOF > version.go
// Code generated by version.sh (@generated) DO NOT EDIT.
package main
var githash = "$githash"
var branch = "$branch"
var buildstamp = "$buildstamp"
var commits = "$commits"
var version = "$githash-b$commits - $buildstamp"

341
zfs.go
View File

@ -1,27 +1,328 @@
package main
import "sync"
import (
"bytes"
"encoding/csv"
"errors"
"fmt"
"regexp"
"sort"
"strings"
"sync"
type ZFSConfig struct {
SnapshotAdded bool
SnapshotDeleted bool
SnapshotInitialized bool
SnapshotList []Snapshot
ZFSAdded bool
ZFSDeleted bool
ZFSInitialized bool
ZFSMap map[string]string
M sync.Mutex
log "github.com/sirupsen/logrus"
)
type BoxZfs struct {
filesystems map[string]*ZfsFs
box *Box
online bool
mx sync.Mutex
}
func NewZFSConfig() (z *ZFSConfig) {
z = &ZFSConfig{
SnapshotAdded: false,
SnapshotDeleted: false,
SnapshotInitialized: false,
ZFSAdded: false,
ZFSDeleted: false,
ZFSInitialized: false,
type ZfsFs struct {
path string
managed bool
zfs *BoxZfs
snapshots map[string]*ZfsSnapshot
apps []*App
mx sync.Mutex
}
return
type ZfsSnapshot struct {
name string
fs *ZfsFs
}
func (z *BoxZfs) Open() error {
log.WithFields(log.Fields{"name": z.box.name}).Debugf("starting")
defer log.WithFields(log.Fields{"name": z.box.name}).Debugf("done")
z.mx.Lock()
defer z.mx.Unlock()
if z.online {
return nil
}
z.filesystems = make(map[string]*ZfsFs)
zfsList, err := z.box.Exec("zfs list -H -t filesystem -o name,mountpoint")
if err != nil {
log.WithFields(log.Fields{"name": z.box.name, "call": "Exec", "attr": "zfs list -H -t filesystem -o name,mountpoint", "error": err}).Errorf("")
return err
}
csvReader := csv.NewReader(bytes.NewBufferString(zfsList))
csvReader.Comma = '\t'
csvReader.FieldsPerRecord = 2
csvData, err := csvReader.ReadAll()
if err != nil {
log.WithFields(log.Fields{"name": z.box.name, "call": "csvReader.ReadAll", "error": err}).Errorf("")
return err
}
for _, rec := range csvData {
log.WithFields(log.Fields{"name": z.box.name, "zfs-name": rec[0], "zfs-mount": rec[1]}).Debugf("zfs list -t filesystem")
if rec[1] != "legacy" {
fs := &ZfsFs{
path: rec[0],
zfs: z,
snapshots: make(map[string]*ZfsSnapshot),
}
z.filesystems[rec[0]] = fs
log.WithFields(log.Fields{"name": z.box.name, "fs": rec[0]}).Infof("new filesystem")
}
}
log.WithFields(log.Fields{"name": z.box.name, "call": "csvReader.ReadAll"}).Infof("")
zfsList, err = z.box.Exec("zfs list -H -t snapshot -o name")
if err != nil {
log.WithFields(log.Fields{"name": z.box.name, "call": "Exec", "attr": "zfs list -H -t snapshot -o name", "error": err}).Errorf("")
return err
}
csvReader = csv.NewReader(bytes.NewBufferString(zfsList))
csvReader.Comma = '\t'
csvReader.FieldsPerRecord = 1
csvData, err = csvReader.ReadAll()
if err != nil {
log.WithFields(log.Fields{"name": z.box.name, "call": "csvReader.ReadAll", "error": err}).Errorf("")
return err
}
for _, rec := range csvData {
log.WithFields(log.Fields{"name": z.box.name, "zfs-snapshot": rec[0]}).Debugf("zfs list -t snapshot")
s := strings.Split(rec[0], `@`)
if fs, ok := z.filesystems[s[0]]; ok {
snap := &ZfsSnapshot{
name: s[1],
fs: fs,
}
fs.snapshots[s[1]] = snap
log.WithFields(log.Fields{"name": z.box.name, "fs": s[0], "snapshot": s[1]}).Infof("new snapshot")
}
}
zfsList, err = z.box.Exec("zfs get -H -o name,value " + zfsManagedPropertyName)
if err != nil {
log.WithFields(log.Fields{"name": z.box.name, "call": "Exec", "attr": "zfs get -H -o name,value,source " + zfsManagedPropertyName, "error": err}).Errorf("")
return err
}
csvReader = csv.NewReader(bytes.NewBufferString(zfsList))
csvReader.Comma = '\t'
csvReader.FieldsPerRecord = 2
csvData, err = csvReader.ReadAll()
if err != nil {
log.WithFields(log.Fields{"name": z.box.name, "call": "csvReader.ReadAll", "error": err}).Errorf("")
return err
}
for _, rec := range csvData {
log.WithFields(log.Fields{"name": z.box.name, "zfs-fs": rec[0], "zfs-value": rec[1]}).Debugf("zfs get " + zfsManagedPropertyName)
if fs, ok := z.filesystems[rec[0]]; ok {
if rec[1] == "true" {
fs.managed = true
log.WithFields(log.Fields{"name": z.box.name, "zfs-fs": rec[0], "zfs-value": rec[1]}).Infof("managed fs")
}
}
}
z.online = true
return nil
}
func (z *BoxZfs) Close() error {
log.WithFields(log.Fields{"name": z.box.name}).Debugf("starting")
defer log.WithFields(log.Fields{"name": z.box.name}).Debugf("done")
z.mx.Lock()
defer z.mx.Unlock()
for _, fs := range z.filesystems {
fs.mx.Lock()
defer fs.mx.Unlock()
}
z.online = false
return nil
}
func (z *BoxZfs) Mkdir(path string) error {
log.WithFields(log.Fields{"name": z.box.name}).Debugf("starting")
defer log.WithFields(log.Fields{"name": z.box.name}).Debugf("done")
if !z.online {
err := errors.New("zfs offline")
log.WithFields(log.Fields{"name": z.box.name, "error": err}).Errorf("")
return err
}
z.mx.Lock()
defer z.mx.Unlock()
b := z.box
if !b.online {
err := errors.New("box offline")
log.WithFields(log.Fields{"name": z.box.name, "error": err}).Errorf("")
return err
}
if _, ok := z.filesystems[path]; ok {
return nil
}
if _, err := b.Exec(fmt.Sprintf("zfs create -p %s", path)); err != nil {
log.WithFields(log.Fields{"name": z.box.name, "call": "Exec", "error": err}).Errorf("")
return err
}
newPath := ""
for _, p := range strings.Split(path, "/") {
if newPath == "" {
newPath = p
} else {
newPath = newPath + "/" + p
}
if _, ok := z.filesystems[newPath]; !ok {
fs := &ZfsFs{
path: newPath,
managed: false,
zfs: z,
snapshots: make(map[string]*ZfsSnapshot),
apps: make([]*App, 0),
}
z.filesystems[newPath] = fs
}
}
return nil
}
func (fs *ZfsFs) TakeSnapshot(name string) (*ZfsSnapshot, error) {
log.WithFields(log.Fields{"box": fs.zfs.box.name, "fs": fs.path, "name": name}).Debugf("starting")
defer log.WithFields(log.Fields{"box": fs.zfs.box.name, "fs": fs.path, "name": name}).Debugf("done")
if !fs.zfs.online {
err := errors.New("zfs offline")
log.WithFields(log.Fields{"box": fs.zfs.box.name, "fs": fs.path, "name": name, "error": err}).Errorf("")
return nil, err
}
re := regexp.MustCompile(`^[a-zA-Z0-9\-\._]{1,255}$`)
if !re.MatchString(name) {
err := errors.New("unsupported name")
log.WithFields(log.Fields{"box": fs.zfs.box.name, "fs": fs.path, "name": name, "error": err}).Errorf("")
return nil, err
}
fs.mx.Lock()
defer fs.mx.Unlock()
if _, ok := fs.snapshots[name]; ok {
err := errors.New("already exists")
log.WithFields(log.Fields{"box": fs.zfs.box.name, "fs": fs.path, "name": name, "error": err}).Errorf("")
return nil, err
}
if _, err := fs.zfs.box.Exec("zfs snapshot " + fs.path + "@" + name); err != nil {
log.WithFields(log.Fields{"box": fs.zfs.box.name, "fs": fs.path, "name": name, "error": err}).Errorf("")
return nil, err
}
s := &ZfsSnapshot{
name: name,
fs: fs,
}
fs.snapshots[name] = s
return s, nil
}
func (fs *ZfsFs) DelSnapshot(name string) error {
log.WithFields(log.Fields{"box": fs.zfs.box.name, "fs": fs.path, "name": name}).Debugf("starting")
defer log.WithFields(log.Fields{"box": fs.zfs.box.name, "fs": fs.path, "name": name}).Debugf("done")
if !fs.zfs.online {
err := errors.New("zfs offline")
log.WithFields(log.Fields{"box": fs.zfs.box.name, "fs": fs.path, "name": name, "error": err}).Errorf("")
return err
}
fs.mx.Lock()
defer fs.mx.Unlock()
if _, ok := fs.snapshots[name]; !ok {
err := errors.New("doesn't exist")
log.WithFields(log.Fields{"box": fs.zfs.box.name, "fs": fs.path, "name": name, "error": err}).Errorf("")
return err
}
log.WithFields(log.Fields{"box": fs.zfs.box.name, "fs": fs.path, "name": name}).Debugf("zfs destroy " + fs.path + "@" + name)
return nil
if _, err := fs.zfs.box.Exec("zfs destroy " + fs.path + "@" + name); err != nil {
log.WithFields(log.Fields{"box": fs.zfs.box.name, "fs": fs.path, "name": name, "error": err}).Errorf("")
return err
}
delete(fs.snapshots, name)
return nil
}
func (fs *ZfsFs) AddSnapshot(s *ZfsSnapshot) error {
log.WithFields(log.Fields{"box": fs.zfs.box.name, "fs": fs.path, "name": s.name}).Debugf("starting")
defer log.WithFields(log.Fields{"box": fs.zfs.box.name, "fs": fs.path, "name": s.name}).Debugf("done")
if !fs.zfs.online {
err := errors.New("zfs offline")
log.WithFields(log.Fields{"box": fs.zfs.box.name, "fs": fs.path, "name": s.name, "error": err}).Errorf("")
return err
}
fs.mx.Lock()
defer fs.mx.Unlock()
if _, ok := fs.snapshots[s.name]; ok {
err := errors.New("already exist")
log.WithFields(log.Fields{"box": fs.zfs.box.name, "fs": fs.path, "name": s.name, "error": err}).Errorf("")
return err
}
fs.snapshots[s.name] = s
return nil
}
func (fs *ZfsFs) ValidSnapshots() []*ZfsSnapshot {
tab := make([]*ZfsSnapshot, 0)
for _, s := range fs.snapshots {
if s.Valid() {
tab = append(tab, s)
}
}
sort.Slice(tab, func(i, j int) bool {
ti, _ := tab[i].Timestamp()
tj, _ := tab[j].Timestamp()
return ti.Before(tj)
})
return tab
}