Files
grafana/pkg/services/cloudmigration/gmsclient/inmemory_client.go
T
Bruno 420ff1d07b Cloud migration: upload snapshot files using presigned url (#90273)
* Cloud migration: upload snapshot files using presigned url

* log error if index file cannot be closed

* log error if file cannot be closed in uploadUsingPresignedURL
2024-07-11 09:32:02 -03:00

101 lines
2.8 KiB
Go

package gmsclient
import (
"context"
"fmt"
"math/rand"
"time"
cryptoRand "crypto/rand"
"github.com/google/uuid"
"github.com/grafana/grafana/pkg/services/cloudmigration"
"golang.org/x/crypto/nacl/box"
)
// NewInMemoryClient returns an implementation of Client that returns canned responses
func NewInMemoryClient() Client {
return &memoryClientImpl{}
}
type memoryClientImpl struct {
snapshot *cloudmigration.StartSnapshotResponse
}
func (c *memoryClientImpl) ValidateKey(ctx context.Context, cm cloudmigration.CloudMigrationSession) error {
return nil
}
func (c *memoryClientImpl) MigrateData(
ctx context.Context,
cm cloudmigration.CloudMigrationSession,
request cloudmigration.MigrateDataRequest,
) (*cloudmigration.MigrateDataResponse, error) {
result := cloudmigration.MigrateDataResponse{
Items: make([]cloudmigration.CloudMigrationResource, len(request.Items)),
}
for i, v := range request.Items {
result.Items[i] = cloudmigration.CloudMigrationResource{
Type: v.Type,
RefID: v.RefID,
Status: cloudmigration.ItemStatusOK,
}
}
// simulate flakiness on one random item
i := rand.Intn(len(result.Items))
failedItem := result.Items[i]
failedItem.Status, failedItem.Error = cloudmigration.ItemStatusError, "simulated random error"
result.Items[i] = failedItem
return &result, nil
}
func (c *memoryClientImpl) StartSnapshot(context.Context, cloudmigration.CloudMigrationSession) (*cloudmigration.StartSnapshotResponse, error) {
publicKey, _, err := box.GenerateKey(cryptoRand.Reader)
if err != nil {
return nil, fmt.Errorf("nacl: generating public and private key: %w", err)
}
c.snapshot = &cloudmigration.StartSnapshotResponse{
EncryptionKey: fmt.Sprintf("%x", publicKey[:]),
UploadURL: "localhost:3000",
SnapshotID: uuid.NewString(),
MaxItemsPerPartition: 10,
Algo: "nacl",
}
return c.snapshot, nil
}
func (c *memoryClientImpl) GetSnapshotStatus(ctx context.Context, session cloudmigration.CloudMigrationSession, snapshot cloudmigration.CloudMigrationSnapshot) (*cloudmigration.CloudMigrationSnapshot, error) {
results := []cloudmigration.CloudMigrationResource{
{
Type: cloudmigration.DashboardDataType,
RefID: "dash1",
Status: cloudmigration.ItemStatusOK,
},
{
Type: cloudmigration.DatasourceDataType,
RefID: "ds1",
Status: cloudmigration.ItemStatusError,
Error: "fake error",
},
{
Type: cloudmigration.FolderDataType,
RefID: "folder1",
Status: cloudmigration.ItemStatusOK,
},
}
// just fake an entire response
gmsSnapshot := cloudmigration.CloudMigrationSnapshot{
Status: cloudmigration.SnapshotStatusFinished,
GMSSnapshotUID: "gmssnapshotuid",
Resources: results,
Finished: time.Now(),
}
return &gmsSnapshot, nil
}