mirror of
https://github.com/offen/docker-volume-backup.git
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90 lines
4.0 KiB
Go
90 lines
4.0 KiB
Go
// Copyright 2022 - Offen Authors <hioffen@posteo.de>
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// SPDX-License-Identifier: MPL-2.0
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package main
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import (
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"fmt"
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"os"
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"regexp"
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"time"
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)
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// Config holds all configuration values that are expected to be set
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// by users.
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type Config struct {
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AwsS3BucketName string `split_words:"true"`
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AwsS3Path string `split_words:"true"`
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AwsEndpoint string `split_words:"true" default:"s3.amazonaws.com"`
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AwsEndpointProto string `split_words:"true" default:"https"`
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AwsEndpointInsecure bool `split_words:"true"`
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AwsStorageClass string `split_words:"true"`
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AwsAccessKeyID string `envconfig:"AWS_ACCESS_KEY_ID"`
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AwsAccessKeyIDFile string `envconfig:"AWS_ACCESS_KEY_ID_FILE"`
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AwsSecretAccessKey string `split_words:"true"`
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AwsSecretAccessKeyFile string `split_words:"true"`
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AwsIamRoleEndpoint string `split_words:"true"`
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BackupSources string `split_words:"true" default:"/backup"`
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BackupFilename string `split_words:"true" default:"backup-%Y-%m-%dT%H-%M-%S.tar.gz"`
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BackupFilenameExpand bool `split_words:"true"`
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BackupLatestSymlink string `split_words:"true"`
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BackupArchive string `split_words:"true" default:"/archive"`
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BackupRetentionDays int32 `split_words:"true" default:"-1"`
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BackupPruningLeeway time.Duration `split_words:"true" default:"1m"`
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BackupPruningPrefix string `split_words:"true"`
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BackupStopContainerLabel string `split_words:"true" default:"true"`
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BackupFromSnapshot bool `split_words:"true"`
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BackupExcludeRegexp RegexpDecoder `split_words:"true"`
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GpgPassphrase string `split_words:"true"`
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NotificationURLs []string `envconfig:"NOTIFICATION_URLS"`
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NotificationLevel string `split_words:"true" default:"error"`
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EmailNotificationRecipient string `split_words:"true"`
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EmailNotificationSender string `split_words:"true" default:"noreply@nohost"`
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EmailSMTPHost string `envconfig:"EMAIL_SMTP_HOST"`
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EmailSMTPPort int `envconfig:"EMAIL_SMTP_PORT" default:"587"`
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EmailSMTPUsername string `envconfig:"EMAIL_SMTP_USERNAME"`
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EmailSMTPPassword string `envconfig:"EMAIL_SMTP_PASSWORD"`
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WebdavUrl string `split_words:"true"`
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WebdavUrlInsecure bool `split_words:"true"`
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WebdavPath string `split_words:"true" default:"/"`
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WebdavUsername string `split_words:"true"`
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WebdavPassword string `split_words:"true"`
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SSHHostName string `split_words:"true"`
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SSHPort string `split_words:"true" default:"22"`
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SSHUser string `split_words:"true"`
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SSHPassword string `split_words:"true"`
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SSHIdentityFile string `split_words:"true" default:"/root/.ssh/id_rsa"`
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SSHIdentityPassphrase string `split_words:"true"`
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SSHRemotePath string `split_words:"true"`
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ExecLabel string `split_words:"true"`
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ExecForwardOutput bool `split_words:"true"`
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LockTimeout time.Duration `split_words:"true" default:"60m"`
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}
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func (c *Config) resolveSecret(envVar string, secretPath string) (string, error) {
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if secretPath == "" {
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return envVar, nil
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}
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data, err := os.ReadFile(secretPath)
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if err != nil {
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return "", fmt.Errorf("resolveSecret: error reading secret path: %w", err)
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}
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return string(data), nil
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}
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type RegexpDecoder struct {
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Re *regexp.Regexp
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}
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func (r *RegexpDecoder) Decode(v string) error {
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if v == "" {
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return nil
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}
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re, err := regexp.Compile(v)
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if err != nil {
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return fmt.Errorf("config: error compiling given regexp `%s`: %w", v, err)
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}
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*r = RegexpDecoder{Re: re}
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return nil
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}
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