forked from rai-project/dlframework
-
Notifications
You must be signed in to change notification settings - Fork 0
/
frameworks.go
178 lines (154 loc) · 4.35 KB
/
frameworks.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
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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
package registryquery
import (
"path"
"runtime"
"sort"
"strings"
"sync"
"github.com/Masterminds/semver"
"github.com/jinzhu/copier"
"github.com/pkg/errors"
"github.com/rai-project/config"
"github.com/rai-project/dlframework"
webmodels "github.com/rai-project/dlframework/httpapi/models"
"github.com/rai-project/parallel/tunny"
kv "github.com/rai-project/registry"
"github.com/rai-project/serializer"
)
type frameworksTy struct {
serializer serializer.Serializer
}
var Frameworks frameworksTy
func (f frameworksTy) Manifests() ([]*webmodels.DlframeworkFrameworkManifest, error) {
rgs, err := kv.New()
if err != nil {
return nil, err
}
defer rgs.Close()
var manifestsLock sync.Mutex
var wg sync.WaitGroup
manifests := []*webmodels.DlframeworkFrameworkManifest{}
poolSize := runtime.NumCPU()
pool, err := tunny.CreatePool(poolSize, func(object interface{}) interface{} {
key, ok := object.(string)
if !ok {
return errors.New("invalid key type. expecting a string type")
}
e, err := rgs.Get(key)
if err != nil {
return err
}
registryValue := e.Value
if registryValue == nil || len(registryValue) == 0 {
return errors.Errorf("invalid value for key=%s", e.Key)
}
framework := new(dlframework.FrameworkManifest)
if err := f.serializer.Unmarshal(registryValue, framework); err != nil {
return err
}
res := new(webmodels.DlframeworkFrameworkManifest)
if err := copier.Copy(res, framework); err != nil {
return err
}
manifestsLock.Lock()
defer manifestsLock.Unlock()
manifests = append(manifests, res)
return nil
}).Open()
if err != nil {
return nil, err
}
defer pool.Close()
prefixKey := path.Join(config.App.Name, "registry")
frameworksKey := path.Join(prefixKey, "frameworks")
frameworksValue, err := rgs.Get(frameworksKey)
if err != nil {
return nil, err
}
frameworks, err := f.ProcessFrameworkNames(frameworksValue.Value)
if err != nil {
return nil, err
}
for _, framework := range frameworks {
wg.Add(1)
frameworkName, frameworkVersion := framework[0], framework[1]
key := path.Join(prefixKey, frameworkName, frameworkVersion, "manifest.json")
pool.SendWorkAsync(key, func(interface{}, error) {
wg.Done()
})
}
wg.Wait()
return manifests, nil
}
func (frameworksTy) FilterManifests(
manifests []*webmodels.DlframeworkFrameworkManifest,
frameworkName,
frameworkVersionString string,
) ([]*webmodels.DlframeworkFrameworkManifest, error) {
frameworkName = strings.ToLower(frameworkName)
frameworkVersionString = strings.ToLower(frameworkVersionString)
candidates := []*webmodels.DlframeworkFrameworkManifest{}
for _, manifest := range manifests {
if frameworkName == "*" || strings.ToLower(manifest.Name) == frameworkName {
candidates = append(candidates, manifest)
}
}
if len(candidates) == 0 {
return nil, errors.Errorf("framework %s not found", frameworkName)
}
if frameworkVersionString == "" || frameworkVersionString == "*" {
return candidates, nil
}
sortByVersion := func(lst []*webmodels.DlframeworkFrameworkManifest) func(ii, jj int) bool {
return func(ii, jj int) bool {
f1, e1 := semver.NewVersion(lst[ii].Version)
if e1 != nil {
return false
}
f2, e2 := semver.NewVersion(lst[jj].Version)
if e2 != nil {
return false
}
return f1.LessThan(f2)
}
}
if frameworkVersionString == "latest" {
sort.Slice(candidates, sortByVersion(candidates))
return []*webmodels.DlframeworkFrameworkManifest{candidates[0]}, nil
}
frameworkVersion, err := semver.NewConstraint(frameworkVersionString)
if err != nil {
return nil, err
}
res := []*webmodels.DlframeworkFrameworkManifest{}
for _, manifest := range manifests {
c, err := semver.NewVersion(manifest.Version)
if err != nil {
continue
}
if !frameworkVersion.Check(c) {
continue
}
res = append(res, manifest)
}
if len(res) == 0 {
return nil, errors.Errorf("framework %s=%s not found", frameworkName, frameworkVersionString)
}
sort.Slice(res, sortByVersion(res))
return []*webmodels.DlframeworkFrameworkManifest{res[0]}, nil
}
func (f frameworksTy) ProcessFrameworkNames(buf []byte) ([][]string, error) {
lines := strings.Split(string(buf), "\n")
res := [][]string{}
for _, line := range lines {
res = append(res, strings.Split(line, ":"))
}
return res, nil
}
func init() {
config.AfterInit(func() {
Frameworks = frameworksTy{
serializer: kv.Config.Serializer,
}
})
}