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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package modstgs3
import (
"context"
"net/http"
"os"
"strings"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/weaviate/weaviate/entities/modulecapabilities"
"github.com/weaviate/weaviate/entities/moduletools"
)
const (
Name = "backup-s3"
AltName1 = "s3"
s3Endpoint = "BACKUP_S3_ENDPOINT"
s3Bucket = "BACKUP_S3_BUCKET"
s3UseSSL = "BACKUP_S3_USE_SSL"
// this is an optional value, allowing for
// the backup to be stored in a specific
// directory inside the provided bucket.
//
// if left unset, the backup files will
// be stored directly in the root of the
// bucket.
s3Path = "BACKUP_S3_PATH"
)
type Module struct {
*s3Client
logger logrus.FieldLogger
dataPath string
}
func New() *Module {
return &Module{}
}
func (m *Module) Name() string {
return Name
}
func (m *Module) IsExternal() bool {
return true
}
func (m *Module) AltNames() []string {
return []string{AltName1}
}
func (m *Module) Type() modulecapabilities.ModuleType {
return modulecapabilities.Backup
}
func (m *Module) Init(ctx context.Context,
params moduletools.ModuleInitParams,
) error {
m.logger = params.GetLogger()
m.dataPath = params.GetStorageProvider().DataPath()
bucket := os.Getenv(s3Bucket)
if bucket == "" {
return errors.Errorf("backup init: '%s' must be set", s3Bucket)
}
// SSL on by default
useSSL := strings.ToLower(os.Getenv(s3UseSSL)) != "false"
config := newConfig(os.Getenv(s3Endpoint), bucket, os.Getenv(s3Path), useSSL)
client, err := newClient(config, m.logger, m.dataPath)
if err != nil {
return errors.Wrap(err, "initialize S3 backup module")
}
m.s3Client = client
return nil
}
func (m *Module) RootHandler() http.Handler {
// TODO: remove once this is a capability interface
return nil
}
func (m *Module) MetaInfo() (map[string]interface{}, error) {
metaInfo := make(map[string]interface{}, 4)
metaInfo["endpoint"] = m.config.Endpoint
metaInfo["bucketName"] = m.config.Bucket
if root := m.config.BackupPath; root != "" {
metaInfo["rootName"] = root
}
metaInfo["useSSL"] = m.config.UseSSL
return metaInfo, nil
}
// verify we implement the modules.Module interface
var (
_ = modulecapabilities.Module(New())
_ = modulecapabilities.BackupBackend(New())
_ = modulecapabilities.MetaProvider(New())
)
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