-
Notifications
You must be signed in to change notification settings - Fork 45
/
bootstrap.go
64 lines (52 loc) · 1.7 KB
/
bootstrap.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
// Copyright 2019 dfuse Platform Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package superviser
import (
"context"
"fmt"
"io"
"os"
"path/filepath"
"time"
"github.com/dfuse-io/dstore"
"go.uber.org/zap"
)
func (s *NodeosSuperviser) Bootstrap(bootstrapDataURL string) error {
s.Logger.Info("bootstrapping blocks.log from pre-built data", zap.String("bootstrap_data_url", bootstrapDataURL))
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Minute)
defer cancel()
reader, _, _, err := dstore.OpenObject(ctx, bootstrapDataURL)
if err != nil {
return fmt.Errorf("cannot get snapshot from gstore: %w", err)
}
defer reader.Close()
s.createBlocksLogFile(reader)
return nil
}
func (s *NodeosSuperviser) createBlocksLogFile(reader io.Reader) error {
err := os.MkdirAll(s.blocksDir, os.ModePerm)
if err != nil {
return fmt.Errorf("unable to create blocks log file: %w", err)
}
file, err := os.Create(filepath.Join(s.blocksDir, "blocks.log"))
if err != nil {
return fmt.Errorf("unable to create blocks log file: %w", err)
}
defer file.Close()
_, err = io.Copy(file, reader)
if err != nil {
return fmt.Errorf("unable to create blocks log file: %w", err)
}
return nil
}