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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
package repository
import (
"context"
"errors"
"fmt"
"os"
"gitlab.com/gitlab-org/gitaly/internal/git"
"gitlab.com/gitlab-org/gitaly/internal/git/objectpool"
"gitlab.com/gitlab-org/gitaly/internal/git/repository"
"gitlab.com/gitlab-org/gitaly/internal/helper"
"gitlab.com/gitlab-org/gitaly/internal/rubyserver"
"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
)
func (s *server) CloneFromPoolInternal(ctx context.Context, req *gitalypb.CloneFromPoolInternalRequest) (*gitalypb.CloneFromPoolInternalResponse, error) {
if err := validateCloneFromPoolInternalRequestArgs(req); err != nil {
return nil, helper.ErrInvalidArgument(err)
}
if err := validateCloneFromPoolInternalRequestRepositoryState(req); err != nil {
return nil, helper.ErrInternal(err)
}
if err := cloneFromPool(ctx, req.GetPool(), req.GetRepository()); err != nil {
return nil, helper.ErrInternal(err)
}
client, err := s.ruby.RemoteServiceClient(ctx)
if err != nil {
return nil, helper.ErrInternalf("getting remote service client: %v", err)
}
fetchInternalReq := &gitalypb.FetchInternalRemoteRequest{
Repository: req.GetRepository(),
RemoteRepository: req.GetSourceRepository(),
}
clientCtx, err := rubyserver.SetHeaders(ctx, fetchInternalReq.GetRepository())
if err != nil {
return nil, err
}
if _, err = client.FetchInternalRemote(clientCtx, fetchInternalReq); err != nil {
return nil, helper.ErrInternalf("fetch internal remote: %v", err)
}
objectPool, err := objectpool.FromProto(req.GetPool())
if err != nil {
return nil, helper.ErrInternalf("get object pool from request: %v", err)
}
if err = objectPool.Link(ctx, req.GetRepository()); err != nil {
return nil, helper.ErrInternalf("change hard link to relative: %v", err)
}
return &gitalypb.CloneFromPoolInternalResponse{}, nil
}
func validateCloneFromPoolInternalRequestRepositoryState(req *gitalypb.CloneFromPoolInternalRequest) error {
targetRepositoryFullPath, err := helper.GetPath(req.GetRepository())
if err != nil {
return fmt.Errorf("getting target repository path: %v", err)
}
if _, err := os.Stat(targetRepositoryFullPath); !os.IsNotExist(err) {
return errors.New("target reopsitory already exists")
}
objectPool, err := objectpool.FromProto(req.GetPool())
if err != nil {
return fmt.Errorf("getting object pool from repository: %v", err)
}
if !objectPool.IsValid() {
return errors.New("object pool is not valid")
}
linked, err := objectPool.LinkedToRepository(req.GetSourceRepository())
if err != nil {
return fmt.Errorf("error when testing if source repository is linked to pool repository: %v", err)
}
if !linked {
return errors.New("source repository is not linked to pool repository")
}
return nil
}
func validateCloneFromPoolInternalRequestArgs(req *gitalypb.CloneFromPoolInternalRequest) error {
if req.GetRepository() == nil {
return errors.New("repository required")
}
if req.GetSourceRepository() == nil {
return errors.New("source repository required")
}
if req.GetPool() == nil {
return errors.New("pool is empty")
}
if req.GetSourceRepository().GetStorageName() != req.GetRepository().GetStorageName() {
return errors.New("source repository and target repository are not on the same storage")
}
return nil
}
func cloneFromPool(ctx context.Context, objectPoolRepo *gitalypb.ObjectPool, repo repository.GitRepo) error {
objectPoolPath, err := helper.GetPath(objectPoolRepo.GetRepository())
if err != nil {
return fmt.Errorf("could not get object pool path: %v", err)
}
repositoryPath, err := helper.GetPath(repo)
if err != nil {
return fmt.Errorf("could not get object pool path: %v", err)
}
cmd, err := git.SafeBareCmd(ctx, nil, nil, nil, nil, nil, git.SubCmd{
Name: "clone",
Flags: []git.Option{git.Flag{"--bare"}, git.Flag{"--shared"}},
PostSepArgs: []string{objectPoolPath, repositoryPath},
})
if err != nil {
return fmt.Errorf("clone with object pool start: %v", err)
}
if err := cmd.Wait(); err != nil {
return fmt.Errorf("clone with object pool wait %v", err)
}
return nil
}
|
