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metadata.go
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metadata.go
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package stats
import (
"context"
"github.com/treeverse/lakefs/pkg/block"
"github.com/treeverse/lakefs/pkg/cloud"
"github.com/treeverse/lakefs/pkg/cloud/aws"
"github.com/treeverse/lakefs/pkg/cloud/azure"
"github.com/treeverse/lakefs/pkg/cloud/gcp"
"github.com/treeverse/lakefs/pkg/config"
"github.com/treeverse/lakefs/pkg/logging"
)
const BlockstoreTypeKey = "blockstore_type"
type MetadataEntry struct {
Name string `json:"name"`
Value string `json:"value"`
}
type Metadata struct {
InstallationID string `json:"installation_id"`
Entries []MetadataEntry `json:"entries"`
}
type MetadataProvider interface {
GetMetadata(context.Context) (map[string]string, error)
}
func NewMetadata(ctx context.Context, logger logging.Logger, blockstoreType string, metadataProvider MetadataProvider, cloudMetadataProvider cloud.MetadataProvider) *Metadata {
res := &Metadata{}
authMetadata, err := metadataProvider.GetMetadata(ctx)
if err != nil {
logger.WithError(err).Debug("failed to collect account metadata")
}
for k, v := range authMetadata {
if k == "installation_id" {
res.InstallationID = v
}
res.Entries = append(res.Entries, MetadataEntry{Name: k, Value: v})
}
if cloudMetadataProvider != nil {
cloudMetadata := cloudMetadataProvider.GetMetadata()
for k, v := range cloudMetadata {
res.Entries = append(res.Entries, MetadataEntry{Name: k, Value: v})
}
}
res.Entries = append(res.Entries, MetadataEntry{Name: BlockstoreTypeKey, Value: blockstoreType})
return res
}
type noopMetadataProvider struct{}
func (n *noopMetadataProvider) GetMetadata() map[string]string {
return nil
}
func BuildMetadataProvider(logger logging.Logger, c *config.Config) cloud.MetadataProvider {
switch c.Blockstore.Type {
case block.BlockstoreTypeGS:
return gcp.NewMetadataProvider(logger)
case block.BlockstoreTypeS3:
s3Params, err := c.BlockstoreS3Params()
if err != nil {
logger.WithError(err).Warn("Failed to create S3 client for MetadataProvider")
return &noopMetadataProvider{}
}
provider, err := aws.NewMetadataProvider(logger, s3Params)
if err != nil {
logger.WithError(err).Warn("Failed to create S3 client for MetadataProvider")
return &noopMetadataProvider{}
}
return provider
case block.BlockstoreTypeAzure:
return azure.NewMetadataProvider(logger)
}
return &noopMetadataProvider{}
}