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Include more (and customizable) context with backup logs

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This commit is contained in:
Dane Everitt 2020-12-27 16:16:40 -08:00
parent b26db99ee7
commit 902f9f5944
No known key found for this signature in database
GPG Key ID: EEA66103B3D71F53
6 changed files with 65 additions and 51 deletions
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9
router/router_server_backup.go
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@ -1,7 +1,7 @@
package router
import (
"errors"
"emperror.dev/errors"
"fmt"
"github.com/gin-gonic/gin"
"github.com/pterodactyl/wings/server"
@ -38,9 +38,14 @@ func postServerBackup(c *gin.Context) {
return
}
// Attach the server ID to the backup log output for easier parsing.
adapter.WithLogContext(map[string]interface{}{
"server": s.Id(),
})
go func(b backup.BackupInterface, serv *server.Server) {
if err := serv.Backup(b); err != nil {
serv.Log().WithField("error", err).Error("failed to generate backup for server")
serv.Log().WithField("error", errors.WithStackIf(err)).Error("failed to generate backup for server")
}
}(adapter, s)

5
server/backup.go
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@ -70,10 +70,7 @@ func (s *Server) Backup(b backup.BackupInterface) error {
"error": notifyError,
}).Warn("failed to notify panel of failed backup state")
} else {
s.Log().WithFields(log.Fields{
"backup": b.Identifier(),
"error": err,
}).Info("notified panel of failed backup state")
s.Log().WithFields(log.Fields{"backup": b.Identifier()}).Info("notified panel of failed backup state")
}
_ = s.Events().PublishJson(BackupCompletedEvent+":"+b.Identifier(), map[string]interface{}{

22
server/backup/backup.go
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@ -12,9 +12,11 @@ import (
"sync"
)
type AdapterType string
const (
LocalBackupAdapter = "wings"
S3BackupAdapter = "s3"
LocalBackupAdapter AdapterType = "wings"
S3BackupAdapter AdapterType = "s3"
)
type ArchiveDetails struct {
@ -41,6 +43,9 @@ type Backup struct {
// An array of files to ignore when generating this backup. This should be
// compatible with a standard .gitignore structure.
Ignore string `json:"ignore"`
adapter AdapterType
logContext map[string]interface{}
}
// noinspection GoNameStartsWithPackageName
@ -48,6 +53,9 @@ type BackupInterface interface {
// Returns the UUID of this backup as tracked by the panel instance.
Identifier() string
// Attaches additional context to the log output for this backup.
WithLogContext(map[string]interface{})
// Generates a backup in whatever the configured source for the specific
// implementation is.
Generate(string, string) (*ArchiveDetails, error)
@ -160,3 +168,13 @@ func (b *Backup) Details() *ArchiveDetails {
func (b *Backup) Ignored() string {
return b.Ignore
}
// Returns a logger instance for this backup with the additional context fields
// assigned to the output.
func (b *Backup) log() *log.Entry {
l := log.WithField("backup", b.Identifier()).WithField("adapter", b.adapter)
for k, v := range b.logContext {
l = l.WithField(k, v)
}
return l
}

15
server/backup/backup_local.go
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@ -2,7 +2,6 @@ package backup
import (
"errors"
"github.com/apex/log"
"github.com/pterodactyl/wings/server/filesystem"
"os"
)
@ -40,6 +39,11 @@ func (b *LocalBackup) Remove() error {
return os.Remove(b.Path())
}
// Attaches additional context to the log output for this backup.
func (b *LocalBackup) WithLogContext(c map[string]interface{}) {
b.logContext = c
}
// Generates a backup of the selected files and pushes it to the defined location
// for this instance.
func (b *LocalBackup) Generate(basePath, ignore string) (*ArchiveDetails, error) {
@ -48,16 +52,11 @@ func (b *LocalBackup) Generate(basePath, ignore string) (*ArchiveDetails, error)
Ignore: ignore,
}
l := log.WithFields(log.Fields{
"backup_id": b.Uuid,
"adapter": "local",
})
l.Info("creating backup for server...")
b.log().Info("creating backup for server...")
if err := a.Create(b.Path()); err != nil {
return nil, err
}
l.Info("created backup successfully")
b.log().Info("created backup successfully")
return b.Details(), nil
}

4
server/backup/backup_request.go
View File

@ -6,7 +6,7 @@ import (
)
type Request struct {
Adapter string `json:"adapter"`
Adapter AdapterType `json:"adapter"`
Uuid string `json:"uuid"`
Ignore string `json:"ignore"`
}
@ -21,6 +21,7 @@ func (r *Request) NewLocalBackup() (*LocalBackup, error) {
Backup{
Uuid: r.Uuid,
Ignore: r.Ignore,
adapter: LocalBackupAdapter,
},
}, nil
}
@ -35,6 +36,7 @@ func (r *Request) NewS3Backup() (*S3Backup, error) {
Backup: Backup{
Uuid: r.Uuid,
Ignore: r.Ignore,
adapter: S3BackupAdapter,
},
}, nil
}

49
server/backup/backup_s3.go
View File

@ -2,7 +2,6 @@ package backup
import (
"fmt"
"github.com/apex/log"
"github.com/pterodactyl/wings/api"
"github.com/pterodactyl/wings/server/filesystem"
"io"
@ -17,6 +16,16 @@ type S3Backup struct {
var _ BackupInterface = (*S3Backup)(nil)
// Removes a backup from the system.
func (s *S3Backup) Remove() error {
return os.Remove(s.Path())
}
// Attaches additional context to the log output for this backup.
func (s *S3Backup) WithLogContext(c map[string]interface{}) {
s.logContext = c
}
// Generates a new backup on the disk, moves it into the S3 bucket via the provided
// presigned URL, and then deletes the backup from the disk.
func (s *S3Backup) Generate(basePath, ignore string) (*ArchiveDetails, error) {
@ -27,16 +36,11 @@ func (s *S3Backup) Generate(basePath, ignore string) (*ArchiveDetails, error) {
Ignore: ignore,
}
l := log.WithFields(log.Fields{
"backup_id": s.Uuid,
"adapter": "s3",
})
l.Info("creating backup for server...")
s.log().Info("creating backup for server...")
if err := a.Create(s.Path()); err != nil {
return nil, err
}
l.Info("created backup successfully")
s.log().Info("created backup successfully")
rc, err := os.Open(s.Path())
if err != nil {
@ -51,11 +55,6 @@ func (s *S3Backup) Generate(basePath, ignore string) (*ArchiveDetails, error) {
return s.Details(), nil
}
// Removes a backup from the system.
func (s *S3Backup) Remove() error {
return os.Remove(s.Path())
}
// Reader provides a wrapper around an existing io.Reader
// but implements io.Closer in order to satisfy an io.ReadCloser.
type Reader struct {
@ -70,26 +69,20 @@ func (Reader) Close() error {
func (s *S3Backup) generateRemoteRequest(rc io.ReadCloser) error {
defer rc.Close()
l := log.WithFields(log.Fields{
"backup_id": s.Uuid,
"adapter": "s3",
})
l.Debug("attempting to get size of backup...")
s.log().Debug("attempting to get size of backup...")
size, err := s.Backup.Size()
if err != nil {
return err
}
l.WithField("size", size).Debug("got size of backup")
s.log().WithField("size", size).Debug("got size of backup")
l.Debug("attempting to get S3 upload urls from Panel...")
s.log().Debug("attempting to get S3 upload urls from Panel...")
urls, err := api.New().GetBackupRemoteUploadURLs(s.Backup.Uuid, size)
if err != nil {
return err
}
l.Debug("got S3 upload urls from the Panel")
partCount := len(urls.Parts)
l.WithField("parts", partCount).Info("attempting to upload backup...")
s.log().Debug("got S3 upload urls from the Panel")
s.log().WithField("parts", len(urls.Parts)).Info("attempting to upload backup to s3 endpoint...")
handlePart := func(part string, size int64) (string, error) {
r, err := http.NewRequest(http.MethodPut, part, nil)
@ -125,7 +118,7 @@ func (s *S3Backup) generateRemoteRequest(rc io.ReadCloser) error {
for i, part := range urls.Parts {
// Get the size for the current part.
var partSize int64
if i+1 < partCount {
if i+1 < len(urls.Parts) {
partSize = urls.PartSize
} else {
// This is the remaining size for the last part,
@ -135,14 +128,14 @@ func (s *S3Backup) generateRemoteRequest(rc io.ReadCloser) error {
// Attempt to upload the part.
if _, err := handlePart(part, partSize); err != nil {
l.WithField("part_id", i+1).WithError(err).Warn("failed to upload part")
s.log().WithField("part_id", i+1).WithError(err).Warn("failed to upload part")
return err
}
l.WithField("part_id", i+1).Info("successfully uploaded backup part")
s.log().WithField("part_id", i+1).Info("successfully uploaded backup part")
}
l.WithField("parts", partCount).Info("backup has been successfully uploaded")
s.log().WithField("parts", len(urls.Parts)).Info("backup has been successfully uploaded")
return nil
}