forked from rancher/rancher
-
Notifications
You must be signed in to change notification settings - Fork 1
/
traverse.go
225 lines (211 loc) · 7.21 KB
/
traverse.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
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
package manager
import (
"fmt"
"strings"
"github.com/pkg/errors"
"github.com/rancher/rancher/pkg/catalog/helm"
"github.com/rancher/types/apis/management.cattle.io/v3"
"github.com/sirupsen/logrus"
"gopkg.in/yaml.v2"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
)
func (m *Manager) traverseAndUpdate(repoPath, commit string, catalog *v3.Catalog) error {
index, err := helm.LoadIndex(repoPath)
if err != nil {
return err
}
// list all existing templates
templateMap, err := m.getTemplateMap(catalog.Name)
if err != nil {
return err
}
// list all templateContent tag
templateContentList, err := m.templateContentLister.List("", labels.NewSelector())
if err != nil {
return err
}
templateContentMap := map[string]struct{}{}
for _, t := range templateContentList {
templateContentMap[t.Name] = struct{}{}
}
newHelmVersionCommits := map[string]v3.VersionCommits{}
var errs []error
var terrors []error
createdTemplates, updatedTemplates, deletedTemplates := 0, 0, 0
for chart, metadata := range index.IndexFile.Entries {
newHelmVersionCommits[chart] = v3.VersionCommits{
Value: map[string]string{},
}
existingHelmVersionCommits := map[string]string{}
if catalog.Status.HelmVersionCommits[chart].Value != nil {
existingHelmVersionCommits = catalog.Status.HelmVersionCommits[chart].Value
}
keywords := map[string]struct{}{}
// comparing version commit with the previous commit to detect if a template has been changed.
hasChanged := false
versionNumber := 0
for _, version := range metadata {
newHelmVersionCommits[chart].Value[version.Version] = version.Digest
digest, ok := existingHelmVersionCommits[version.Version]
if !ok || digest != version.Digest {
hasChanged = true
}
if ok {
versionNumber++
}
}
// if there is a version getting deleted then also set hasChanged to true
if versionNumber != len(existingHelmVersionCommits) {
hasChanged = true
}
if !hasChanged {
logrus.Debugf("chart %s has not been changed. Skipping generating templates for it", chart)
continue
}
template := v3.Template{
ObjectMeta: metav1.ObjectMeta{
Name: chart,
},
}
template.Spec.Description = metadata[0].Description
template.Spec.DefaultVersion = metadata[0].Version
if len(metadata[0].Sources) > 0 {
template.Spec.ProjectURL = metadata[0].Sources[0]
}
iconData, iconFilename, err := helm.Icon(metadata)
if err != nil {
errs = append(errs, err)
}
template.Spec.Icon = iconData
template.Spec.IconFilename = iconFilename
template.Spec.FolderName = chart
template.Spec.DisplayName = chart
label := map[string]string{}
var versions []v3.TemplateVersionSpec
for _, version := range metadata {
v := v3.TemplateVersionSpec{
Version: version.Version,
}
files, err := helm.FetchFiles(version, version.URLs)
if err != nil {
errs = append(errs, err)
continue
}
filesToAdd := make(map[string]string)
for _, file := range files {
if strings.EqualFold(fmt.Sprintf("%s/%s", chart, "readme.md"), file.Name) {
v.Readme = file.Contents
}
for _, f := range supportedFiles {
if strings.EqualFold(fmt.Sprintf("%s/%s", chart, f), file.Name) {
var value catalogYml
if err := yaml.Unmarshal([]byte(file.Contents), &value); err != nil {
return err
}
v.Questions = value.Questions
v.RancherVersion = value.RancherVersion
v.RequiredNamespace = value.Namespace
label = labels.Merge(label, value.Labels)
for _, category := range value.Categories {
keywords[category] = struct{}{}
}
break
}
}
if strings.EqualFold(fmt.Sprintf("%s/%s", chart, "app-readme.md"), file.Name) {
v.AppReadme = file.Contents
}
filesToAdd[file.Name] = file.Contents
}
v.Files = filesToAdd
v.KubeVersion = version.KubeVersion
v.Digest = version.Digest
v.UpgradeVersionLinks = map[string]string{}
for _, versionSpec := range template.Spec.Versions {
if showUpgradeLinks(v.Version, versionSpec.Version) {
version := versionSpec.Version
v.UpgradeVersionLinks[versionSpec.Version] = fmt.Sprintf("%s-%s", template.Name, version)
}
}
v.ExternalID = fmt.Sprintf("catalog://?catalog=%s&template=%s&version=%s", catalog.Name, template.Spec.FolderName, v.Version)
versions = append(versions, v)
}
var categories []string
for k := range keywords {
categories = append(categories, k)
}
// merge all labels from templateVersion to template
template.Labels = label
template.Spec.Categories = categories
template.Spec.Versions = versions
template.Spec.CatalogID = catalog.Name
template.Name = fmt.Sprintf("%s-%s", catalog.Name, template.Spec.FolderName)
v3.CatalogConditionRefreshed.Unknown(catalog)
v3.CatalogConditionRefreshed.Message(catalog, fmt.Sprintf("syncing template %v", template.Name))
if newCatalog, err := m.catalogClient.Update(catalog); err == nil {
catalog = newCatalog
} else {
catalog, _ = m.catalogClient.Get(catalog.Name, metav1.GetOptions{})
}
var temErr error
// look template by name, if not found then create it, otherwise do update
if existing, ok := templateMap[template.Name]; ok {
if err := m.updateTemplate(existing, template, templateContentMap); err != nil {
temErr = err
}
updatedTemplates++
} else {
if err := m.createTemplate(template, catalog, templateContentMap); err != nil {
temErr = err
}
createdTemplates++
}
if temErr != nil {
delete(newHelmVersionCommits, template.Spec.DisplayName)
terrors = append(terrors, temErr)
}
}
toDeleteChart := []string{}
for chart := range catalog.Status.HelmVersionCommits {
if _, ok := index.IndexFile.Entries[chart]; !ok {
toDeleteChart = append(toDeleteChart, fmt.Sprintf("%s-%s", catalog.Name, chart))
}
}
// delete non-existing templates
for _, toDelete := range toDeleteChart {
logrus.Debugf("Deleting template %s and its associated templateVersion", toDelete)
if err := m.deleteChart(toDelete); err != nil {
return err
}
deletedTemplates++
}
logrus.Infof("Catalog sync done. %v templates created, %v templates updated, %v templates deleted", createdTemplates, updatedTemplates, deletedTemplates)
catalog.Status.HelmVersionCommits = newHelmVersionCommits
if len(terrors) > 0 {
if _, err := m.catalogClient.Update(catalog); err != nil {
return err
}
return errors.Errorf("failed to update templates. Multiple error occurred: %v", terrors)
}
var finalError error
if len(errs) > 0 {
finalError = errors.Errorf("failed to sync templates. Resetting commit. Multiple error occurred: %v", errs)
commit = ""
}
v3.CatalogConditionRefreshed.True(catalog)
v3.CatalogConditionRefreshed.Message(catalog, "")
catalog.Status.Commit = commit
if _, err := m.catalogClient.Update(catalog); err != nil {
return err
}
return finalError
}
var supportedFiles = []string{"catalog.yml", "catalog.yaml", "questions.yml", "questions.yaml"}
type catalogYml struct {
RancherVersion string `yaml:"rancher_version,omitempty"`
Categories []string `yaml:"categories,omitempty"`
Questions []v3.Question `yaml:"questions,omitempty"`
Namespace string `yaml:"namespace,omitempty"`
Labels map[string]string `yaml:"labels,omitempty"`
}