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This commit is contained in:
MaxJa4 2023-08-27 22:29:44 +02:00
parent cc4492d2c0
commit 4c806006a4
4 changed files with 60 additions and 93 deletions
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98
cmd/backup/config.go
View File

@ -16,86 +16,66 @@ import (
// Config holds all configuration values that are expected to be set
// by users.
type Config struct {
AwsS3BucketName string `env:"AWS_S3_BUCKET_NAME"`
AwsS3Path string `env:"AWS_S3_PATH"`
AwsEndpoint string `envDefault:"s3.amazonaws.com"`
AwsEndpointProto string `envDefault:"https"`
AwsS3BucketName string
AwsS3Path string
AwsEndpoint string `default:"s3.amazonaws.com"`
AwsEndpointProto string
AwsEndpointInsecure bool
AwsEndpointCACert CertDecoder `env:"AWS_ENDPOINT_CA_CERT"`
AwsEndpointCACert CertDecoder
AwsStorageClass string
AwsAccessKeyID string `env:"AWS_ACCESS_KEY_ID"`
AwsAccessKeyIDFile string `env:"AWS_ACCESS_KEY_ID_FILE,file"`
AwsSecretAccessKey string `env:"AWS_SECRET_ACCESS_KEY"`
AwsSecretAccessKeyFile string `env:"AWS_SECRET_ACCESS_KEY_FILE,file"`
AwsAccessKeyID string
AwsSecretAccessKey string
AwsIamRoleEndpoint string
AwsPartSize int64
BackupCompression CompressionType `envDefault:"gz"`
BackupSources string `envDefault:"/backup"`
BackupFilename string `envDefault:"backup-%Y-%m-%dT%H-%M-%S.{{ .Extension }}"`
BackupCompression CompressionType `default:"gz"`
BackupSources string `default:"/backup"`
BackupFilename string `default:"backup-%Y-%m-%dT%H-%M-%S.{{ .Extension }}"`
BackupFilenameExpand bool
BackupLatestSymlink string
BackupArchive string `envDefault:"/archive"`
BackupRetentionDays int32 `envDefault:"-1"`
BackupPruningLeeway time.Duration `envDefault:"1m"`
BackupArchive string `default:"/archive"`
BackupRetentionDays int32 `default:"-1"`
BackupPruningLeeway time.Duration `default:"1m"`
BackupPruningPrefix string
BackupStopContainerLabel string `envDefault:"true"`
BackupStopContainerLabel string `default:"true"`
BackupFromSnapshot bool
BackupExcludeRegexp RegexpDecoder
BackupSkipBackendsFromPrune []string
GpgPassphrase string `env:"GPG_PASSPHRASE"`
GpgPassphraseFile string `env:"GPG_PASSPHRASE_FILE,file"`
NotificationURLs []string `env:"NOTIFICATION_URLS"`
NotificationLevel string `envDefault:"error"`
GpgPassphrase string
NotificationURLs []string
NotificationLevel string `default:"error"`
EmailNotificationRecipient string
EmailNotificationSender string `envDefault:"noreply@nohost"`
EmailSMTPHost string `env:"EMAIL_SMTP_HOST"`
EmailSMTPPort int `env:"EMAIL_SMTP_PORT" envDefault:"587"`
EmailSMTPUsername string `env:"EMAIL_SMTP_USERNAME"`
EmailSMTPPassword string `env:"EMAIL_SMTP_PASSWORD"`
EmailSMTPPasswordFile string `env:"EMAIL_SMTP_PASSWORD_FILE,file"`
EmailNotificationSender string `default:"noreply@nohost"`
EmailSMTPHost string
EmailSMTPPort int `default:"587"`
EmailSMTPUsername string
EmailSMTPPassword string
WebdavUrl string
WebdavUrlInsecure bool
WebdavPath string `envDefault:"/"`
WebdavPath string `default:"/"`
WebdavUsername string
WebdavPassword string `env:"WEBDAV_PASSWORD"`
WebdavPasswordFile string `env:"WEBDAV_PASSWORD_FILE,file"`
SSHHostName string `env:"SSH_HOST_NAME"`
SSHPort string `env:"SSH_PORT" envDefault:"22"`
SSHUser string `env:"SSH_USER"`
SSHPassword string `env:"SSH_PASSWORD"`
SSHPasswordFile string `env:"SSH_PASSWORD_FILE,file"`
SSHIdentityFile string `env:"SSH_IDENTITY_FILE" envDefault:"/root/.ssh/id_rsa"`
SSHIdentityPassphrase string `env:"SSH_IDENTITY_PASSPHRASE"`
SSHIdentityPassphraseFile string `env:"SSH_IDENTITY_PASSPHRASE_FILE,file"`
SSHRemotePath string `env:"SSH_REMOTE_PATH"`
WebdavPassword string
SSHHostName string
SSHPort string `default:"22"`
SSHUser string
SSHPassword string
SSHIdentityFile string `default:"/root/.ssh/id_rsa"`
SSHIdentityPassphrase string
SSHRemotePath string
ExecLabel string
ExecForwardOutput bool
LockTimeout time.Duration `envDefault:"60m"`
LockTimeout time.Duration `default:"60m"`
AzureStorageAccountName string
AzureStoragePrimaryAccountKey string
AzureStorageContainerName string
AzureStoragePath string
AzureStorageEndpoint string `envDefault:"https://{{ .AccountName }}.blob.core.windows.net/"`
DropboxEndpoint string `envDefault:"https://api.dropbox.com/"`
DropboxOAuth2Endpoint string `env:"DROPBOX_OAUTH2_ENDPOINT" envDefault:"https://api.dropbox.com/"`
DropboxRefreshToken string `env:"DROPBOX_REFRESH_TOKEN"`
DropboxRefreshTokenFile string `env:"DROPBOX_REFRESH_TOKEN_FILE,file"`
DropboxAppKey string `env:"DROPBOX_APP_KEY"`
DropboxAppKeyFile string `env:"DROPBOX_APP_KEY_FILE,file"`
DropboxAppSecret string `env:"DROPBOX_APP_SECRET"`
DropboxAppSecretFile string `env:"DROPBOX_APP_SECRET_FILE,file"`
AzureStorageEndpoint string `default:"https://{{ .AccountName }}.blob.core.windows.net/"`
DropboxEndpoint string `default:"https://api.dropbox.com/"`
DropboxOAuth2Endpoint string `default:"https://api.dropbox.com/"`
DropboxRefreshToken string
DropboxAppKey string
DropboxAppSecret string
DropboxRemotePath string
DropboxConcurrencyLevel NaturalNumber `envDefault:"6"`
}
func (c *Config) getSecret(preferred string, fallback string) string {
if preferred != "" {
return preferred
}
if fallback != "" {
return fallback
}
return ""
DropboxConcurrencyLevel NaturalNumber `default:"6"`
}
type CompressionType string

46
cmd/backup/script.go
View File

@ -28,7 +28,6 @@ import (
"github.com/offen/docker-volume-backup/internal/storage/webdav"
"github.com/ProtonMail/go-crypto/openpgp"
"github.com/caarlos0/env/v9"
"github.com/containrrr/shoutrrr"
"github.com/containrrr/shoutrrr/pkg/router"
"github.com/docker/docker/api/types"
@ -36,6 +35,7 @@ import (
"github.com/docker/docker/api/types/filters"
"github.com/docker/docker/api/types/swarm"
"github.com/docker/docker/client"
"github.com/johnstairs/pathenvconfig"
"github.com/leekchan/timeutil"
"github.com/otiai10/copy"
"golang.org/x/sync/errgroup"
@ -89,13 +89,12 @@ func newScript() (*script, error) {
return nil
})
envOptions := env.Options{
UseFieldNameByDefault: true,
}
if err := env.ParseWithOptions(s.c, envOptions); err != nil {
if err := pathenvconfig.Process("", s.c); err != nil {
return nil, fmt.Errorf("newScript: failed to process configuration values: %w", err)
}
fmt.Printf("Using configuration: %+v\n", s.c) // Debug
s.file = path.Join("/tmp", s.c.BackupFilename)
tmplFileName, tErr := template.New("extension").Parse(s.file)
@ -140,13 +139,10 @@ func newScript() (*script, error) {
}
if s.c.AwsS3BucketName != "" {
accessKeyID := s.c.getSecret(s.c.AwsAccessKeyIDFile, s.c.AwsAccessKeyID)
secretAccessKey := s.c.getSecret(s.c.AwsSecretAccessKeyFile, s.c.AwsSecretAccessKey)
s3Config := s3.Config{
Endpoint: s.c.AwsEndpoint,
AccessKeyID: accessKeyID,
SecretAccessKey: secretAccessKey,
AccessKeyID: s.c.AwsAccessKeyID,
SecretAccessKey: s.c.AwsSecretAccessKey,
IamRoleEndpoint: s.c.AwsIamRoleEndpoint,
EndpointProto: s.c.AwsEndpointProto,
EndpointInsecure: s.c.AwsEndpointInsecure,
@ -164,13 +160,11 @@ func newScript() (*script, error) {
}
if s.c.WebdavUrl != "" {
webdavPassword := s.c.getSecret(s.c.WebdavPasswordFile, s.c.WebdavPassword)
webDavConfig := webdav.Config{
URL: s.c.WebdavUrl,
URLInsecure: s.c.WebdavUrlInsecure,
Username: s.c.WebdavUsername,
Password: webdavPassword,
Password: s.c.WebdavPassword,
RemotePath: s.c.WebdavPath,
}
if webdavBackend, err := webdav.NewStorageBackend(webDavConfig, logFunc); err != nil {
@ -181,16 +175,13 @@ func newScript() (*script, error) {
}
if s.c.SSHHostName != "" {
sshPassword := s.c.getSecret(s.c.SSHPasswordFile, s.c.SSHPassword)
sshIdentityPassphrase := s.c.getSecret(s.c.SSHIdentityPassphraseFile, s.c.SSHIdentityPassphrase)
sshConfig := ssh.Config{
HostName: s.c.SSHHostName,
Port: s.c.SSHPort,
User: s.c.SSHUser,
Password: sshPassword,
Password: s.c.SSHPassword,
IdentityFile: s.c.SSHIdentityFile,
IdentityPassphrase: sshIdentityPassphrase,
IdentityPassphrase: s.c.SSHIdentityPassphrase,
RemotePath: s.c.SSHRemotePath,
}
if sshBackend, err := ssh.NewStorageBackend(sshConfig, logFunc); err != nil {
@ -225,16 +216,12 @@ func newScript() (*script, error) {
}
if s.c.DropboxRefreshToken != "" && s.c.DropboxAppKey != "" && s.c.DropboxAppSecret != "" {
dropboxRefreshToken := s.c.getSecret(s.c.DropboxRefreshTokenFile, s.c.DropboxRefreshToken)
dropboxAppKey := s.c.getSecret(s.c.DropboxAppKeyFile, s.c.DropboxAppKey)
dropboxAppSecret := s.c.getSecret(s.c.DropboxAppSecretFile, s.c.DropboxAppSecret)
dropboxConfig := dropbox.Config{
Endpoint: s.c.DropboxEndpoint,
OAuth2Endpoint: s.c.DropboxOAuth2Endpoint,
RefreshToken: dropboxRefreshToken,
AppKey: dropboxAppKey,
AppSecret: dropboxAppSecret,
RefreshToken: s.c.DropboxRefreshToken,
AppKey: s.c.DropboxAppKey,
AppSecret: s.c.DropboxAppSecret,
RemotePath: s.c.DropboxRemotePath,
ConcurrencyLevel: s.c.DropboxConcurrencyLevel.Int(),
}
@ -246,12 +233,10 @@ func newScript() (*script, error) {
}
if s.c.EmailNotificationRecipient != "" {
smtpPassword := s.c.getSecret(s.c.EmailSMTPPasswordFile, s.c.EmailSMTPPassword)
emailURL := fmt.Sprintf(
"smtp://%s:%s@%s:%d/?from=%s&to=%s",
s.c.EmailSMTPUsername,
smtpPassword,
s.c.EmailSMTPPassword,
s.c.EmailSMTPHost,
s.c.EmailSMTPPort,
s.c.EmailNotificationSender,
@ -512,8 +497,7 @@ func (s *script) createArchive() error {
// In case no passphrase is given it returns early, leaving the backup file
// untouched.
func (s *script) encryptArchive() error {
gpgPassphrase := s.c.getSecret(s.c.GpgPassphraseFile, s.c.GpgPassphrase)
if gpgPassphrase == "" {
if s.c.GpgPassphrase == "" {
return nil
}
@ -535,7 +519,7 @@ func (s *script) encryptArchive() error {
defer outFile.Close()
_, name := path.Split(s.file)
dst, err := openpgp.SymmetricallyEncrypt(outFile, []byte(gpgPassphrase), &openpgp.FileHints{
dst, err := openpgp.SymmetricallyEncrypt(outFile, []byte(s.c.GpgPassphrase), &openpgp.FileHints{
IsBinary: true,
FileName: name,
}, nil)

3
go.mod
View File

@ -22,6 +22,7 @@ require (
require (
github.com/cloudflare/circl v1.3.3 // indirect
github.com/dlclark/regexp2 v1.4.0 // indirect
github.com/golang/protobuf v1.5.2 // indirect
google.golang.org/appengine v1.6.7 // indirect
google.golang.org/protobuf v1.28.1 // indirect
@ -33,7 +34,6 @@ require (
github.com/AzureAD/microsoft-authentication-library-for-go v1.0.0 // indirect
github.com/Microsoft/go-winio v0.5.2 // indirect
github.com/ProtonMail/go-crypto v0.0.0-20230717121422-5aa5874ade95
github.com/caarlos0/env/v9 v9.0.0
github.com/docker/distribution v2.8.2+incompatible // indirect
github.com/docker/go-connections v0.4.0 // indirect
github.com/docker/go-units v0.4.0 // indirect
@ -43,6 +43,7 @@ require (
github.com/gogo/protobuf v1.3.2 // indirect
github.com/golang-jwt/jwt/v4 v4.5.0 // indirect
github.com/google/uuid v1.3.0 // indirect
github.com/johnstairs/pathenvconfig v0.2.1
github.com/json-iterator/go v1.1.12 // indirect
github.com/klauspost/cpuid/v2 v2.2.5 // indirect
github.com/kr/fs v0.1.0 // indirect

6
go.sum
View File

@ -221,8 +221,6 @@ github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+Ce
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
github.com/bwesterb/go-ristretto v1.2.3/go.mod h1:fUIoIZaG73pV5biE2Blr2xEzDoMj7NFEuV9ekS419A0=
github.com/caarlos0/env/v9 v9.0.0 h1:SI6JNsOA+y5gj9njpgybykATIylrRMklbs5ch6wO6pc=
github.com/caarlos0/env/v9 v9.0.0/go.mod h1:ye5mlCVMYh6tZ+vCgrs/B95sj88cg5Tlnc0XIzgZ020=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
@ -254,6 +252,8 @@ github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ3
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dlclark/regexp2 v1.4.0 h1:F1rxgk7p4uKjwIQxBs9oAXe5CqrXlCduYEJvrF4u93E=
github.com/dlclark/regexp2 v1.4.0/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc=
github.com/dnaeon/go-vcr v1.2.0 h1:zHCHvJYTMh1N7xnV7zf1m1GPBF9Ad0Jk/whtQ1663qI=
github.com/dnaeon/go-vcr v1.2.0/go.mod h1:R4UdLID7HZT3taECzJs4YgbbH6PIGXB6W/sc5OLb6RQ=
github.com/docker/distribution v2.8.2+incompatible h1:T3de5rq0dB1j30rp0sA2rER+m322EBzniBPB6ZIzuh8=
@ -442,6 +442,8 @@ github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:
github.com/inconshreveable/mousetrap v1.0.1/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
github.com/jarcoal/httpmock v1.2.0 h1:gSvTxxFR/MEMfsGrvRbdfpRUMBStovlSRLw0Ep1bwwc=
github.com/jarcoal/httpmock v1.2.0/go.mod h1:oCoTsnAz4+UoOUIf5lJOWV2QQIW5UoeUI6aM2YnWAZk=
github.com/johnstairs/pathenvconfig v0.2.1 h1:hay0C2ddNdej569b4GXwjwZyjRagei97ppjRW8XcvMQ=
github.com/johnstairs/pathenvconfig v0.2.1/go.mod h1:XqBReihWnlfmCkHqvJAfsRCfa/JJCYXZds8fwtuz8cM=
github.com/jpillora/backoff v1.0.0/go.mod h1:J/6gKK9jxlEcS3zixgDgUAsiuZ7yrSoa/FX5e0EB2j4=
github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=