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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
package info
import (
"context"
"gitlab.com/gitlab-org/gitaly/internal/helper"
"gitlab.com/gitlab-org/gitaly/internal/praefect/config"
"gitlab.com/gitlab-org/gitaly/internal/praefect/datastore"
"gitlab.com/gitlab-org/gitaly/internal/praefect/nodes"
"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
)
// Server is a InfoService server
type Server struct {
nodeMgr nodes.Manager
conf config.Config
queue datastore.ReplicationEventQueue
rs datastore.RepositoryStore
rfs ReplicationFactorSetter
}
// NewServer creates a new instance of a grpc InfoServiceServer
func NewServer(nodeMgr nodes.Manager, conf config.Config, queue datastore.ReplicationEventQueue, rs datastore.RepositoryStore, rfs ReplicationFactorSetter) gitalypb.PraefectInfoServiceServer {
return &Server{
nodeMgr: nodeMgr,
conf: conf,
queue: queue,
rs: rs,
rfs: rfs,
}
}
func (s *Server) SetAuthoritativeStorage(ctx context.Context, req *gitalypb.SetAuthoritativeStorageRequest) (*gitalypb.SetAuthoritativeStorageResponse, error) {
storages := s.conf.StorageNames()[req.VirtualStorage]
if storages == nil {
return nil, helper.ErrInvalidArgumentf("unknown virtual storage: %q", req.VirtualStorage)
}
foundStorage := false
for i := range storages {
if storages[i] == req.AuthoritativeStorage {
foundStorage = true
break
}
}
if !foundStorage {
return nil, helper.ErrInvalidArgumentf("unknown authoritative storage: %q", req.AuthoritativeStorage)
}
exists, err := s.rs.RepositoryExists(ctx, req.VirtualStorage, req.RelativePath)
if err != nil {
return nil, err
} else if !exists {
return nil, helper.ErrInvalidArgumentf("repository %q does not exist on virtual storage %q", req.RelativePath, req.VirtualStorage)
}
if err := s.rs.IncrementGeneration(ctx, req.VirtualStorage, req.RelativePath, req.AuthoritativeStorage, nil); err != nil {
return nil, helper.ErrInternal(err)
}
// Schedule replication jobs to other physical storages to get them consistent with the
// new authoritative repository.
for _, storage := range storages {
if storage == req.AuthoritativeStorage {
continue
}
if _, err := s.queue.Enqueue(ctx, datastore.ReplicationEvent{
Job: datastore.ReplicationJob{
Change: datastore.UpdateRepo,
VirtualStorage: req.VirtualStorage,
RelativePath: req.RelativePath,
SourceNodeStorage: req.AuthoritativeStorage,
TargetNodeStorage: storage,
},
}); err != nil {
return nil, helper.ErrInternal(err)
}
}
return &gitalypb.SetAuthoritativeStorageResponse{}, nil
}
|
