forked from k8sgateway/k8sgateway
-
Notifications
You must be signed in to change notification settings - Fork 1
/
changelog_utils.go
318 lines (293 loc) · 11.6 KB
/
changelog_utils.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
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
package changelogutils
import (
"context"
"fmt"
"io/ioutil"
"net/http"
"regexp"
"sort"
"strings"
"github.com/google/go-github/v31/github"
"github.com/rotisserie/eris"
. "github.com/solo-io/go-utils/versionutils"
"github.com/yuin/goldmark"
"github.com/yuin/goldmark/ast"
"github.com/yuin/goldmark/text"
)
// Fetches releases for repo from github
func GetAllReleases(client *github.Client, repo string) ([]*github.RepositoryRelease, error) {
allReleases, _, err := client.Repositories.ListReleases(context.Background(), "solo-io", repo,
&github.ListOptions{
Page: 0,
PerPage: 10000000,
})
if err != nil {
return nil, err
}
return allReleases, nil
}
// Parses releases into correct format for printing
// If byMinorVersion is true, the version header (e.g. v1.5.9-beta8) is not included in the release notes body
func ParseReleases(releases []*github.RepositoryRelease, byMinorVersion bool) (map[Version]string, error) {
var minorReleaseMap = make(map[Version]string)
for _, release := range releases {
var releaseTag = release.GetTagName()
version, err := ParseVersion(releaseTag)
if err != nil {
return nil, err
}
var header string
// If byMinorVersion, we only want to include the release notes in the string and not the release header
if byMinorVersion {
header = fmt.Sprintf("##### %v\n", version.String())
version.LabelVersion, version.Patch, version.Label = 0, 0, ""
}
minorReleaseMap[*version] = minorReleaseMap[*version] + header + release.GetBody()
}
return minorReleaseMap, nil
}
// Performs processing to generate a map of release version to the release notes
// This also pulls in open source gloo edge release notes and merges them with enterprise release notes
// The returned map will be a mapping of minor releases (v1.5, v1.6) to their body, which will contain the release notes
// for all the patches under the minor releases. It also returns a list of versions, sorted by version if the sortedByVersion param is true.
func MergeEnterpriseOSSReleases(enterpriseReleases, osReleasesSorted []*github.RepositoryRelease, sortedByVersion bool) (map[Version]string, []Version, error) {
var minorReleaseMap = make(map[Version]string)
var versionOrder []Version
enterpriseReleasesSorted := SortReleases(enterpriseReleases)
// if we don't want to sort it by version, preserve original chronological ordering
if !sortedByVersion {
for _, release := range enterpriseReleases {
version, err := ParseVersion(release.GetTagName())
if err != nil {
return nil, nil, err
}
versionOrder = append(versionOrder, *version)
}
}
openSourceReleases, err := ParseReleases(osReleasesSorted, false)
if err != nil {
return nil, nil, err
}
for index, release := range enterpriseReleasesSorted {
var releaseTag = release.GetTagName()
version, err := ParseVersion(releaseTag)
if err != nil {
return nil, nil, err
}
previousEnterprisePatch := GetPreviousEnterprisePatchVersion(enterpriseReleasesSorted, index)
// Get the Gloo OSS version that the Gloo enterprise version relies on
depVersion, err := GetOSSDependencyForEnterpriseVersion(version)
var OSSDescription string
if err == nil && previousEnterprisePatch != nil {
OSSDescription = GetOSDependencyPrefix(*depVersion, true)
}
// TODO: Implement a cache for gloo enterprise dependencies to reduce the amount of API calls
// Swallowing error here because we handle the case where previousDepVersion is nil
previousDepVersion, _ := GetOSSDependencyForEnterpriseVersion(previousEnterprisePatch)
var depVersions []Version
// Get all intermediate versions of Gloo OSS that this Gloo enterprise relies on
if depVersion != nil && previousDepVersion != nil {
depVersions = GetAllOSSDependenciesBetweenEnterpriseVersions(depVersion, previousDepVersion, osReleasesSorted)
}
// Get release notes of the dependent open source gloo release version
body := AccumulateNotes(release.GetBody(), openSourceReleases, depVersions)
if sortedByVersion {
// If sorting by minor version, we only want the minor version (not patch number or label) for the resulting map
minorVersion := Version{
Major: version.Major,
Minor: version.Minor,
}
minorReleaseMap[minorVersion] = minorReleaseMap[minorVersion] + fmt.Sprintf("\n##### %s %s\n ", version.String(), OSSDescription) + body
} else {
minorReleaseMap[*version] = fmt.Sprintf("\n\n### %s %s\n", version.String(), OSSDescription) + body
}
}
return minorReleaseMap, versionOrder, nil
}
// Parses the enterprise release notes, then inserts open source release notes for each of the dependent versions
// of gloo Open source between the current release and the previous release
func AccumulateNotes(enterpriseReleaseNotes string, openSourceReleaseMap map[Version]string, depVersions []Version) string {
headersToNotesMap := make(map[string][]string)
extraText := ParseReleaseNotes(enterpriseReleaseNotes, headersToNotesMap, "\n- ")
for _, osVersionDependency := range depVersions {
prefix := GetOSDependencyPrefix(osVersionDependency, false)
ParseReleaseNotes(openSourceReleaseMap[osVersionDependency], headersToNotesMap, prefix)
}
headersOrder := []string{"New Features", "Fixes", "Dependency Bumps", "Helm Changes"}
var finalReleaseNotes []string
for _, header := range headersOrder {
if notes := headersToNotesMap[header]; notes != nil {
headerString := fmt.Sprintf("\n**%s**", header)
releaseNotesForCurrentHeader := strings.Join(notes, "\n")
finalReleaseNotes = append(finalReleaseNotes, headerString, releaseNotesForCurrentHeader)
delete(headersToNotesMap, header)
}
}
for header, notes := range headersToNotesMap {
headerString := fmt.Sprintf("\n**%s**", header)
releaseNotesForCurrentHeader := strings.Join(notes, "\n")
finalReleaseNotes = append(finalReleaseNotes, headerString, releaseNotesForCurrentHeader)
}
return extraText + strings.Join(finalReleaseNotes, "\n")
}
/*
Parses the release notes for a release version into a map `headersToNotesMap` which
maps each of the headers (e.g. Fixes, Dependency Bumps, New Features) to the release notes
under the header
*/
func ParseReleaseNotes(releaseNotes string, headersToNotesMap map[string][]string, prefix string) string {
releaseNotesBuf := []byte(releaseNotes)
rootNode := goldmark.DefaultParser().Parse(text.NewReader(releaseNotesBuf))
var currentHeader string // e.g. New Features, Fixes, Helm Changes, Dependency Bumps, CVEs
var accumulator string // accumulator for any extra text e.g. "This release build has failed", only used for enterprise release notes
for n := rootNode.FirstChild(); n != nil; n = n.NextSibling() {
switch typedNode := n.(type) {
case *ast.Paragraph:
{
if child := typedNode.FirstChild(); child.Kind() == ast.KindEmphasis {
emphasis := child.(*ast.Emphasis)
if emphasis.Level == 2 {
// Header block
currentHeader = string(typedNode.Text(releaseNotesBuf))
continue
}
}
// This section will handles any paragraphs that do not show up under headers e.g. "This release build failed"
v := typedNode.Lines().At(0)
note := prefix + fmt.Sprintf("%s\n", v.Value(releaseNotesBuf))
if currentHeader != "" {
headersToNotesMap[currentHeader] = append(headersToNotesMap[currentHeader], note)
} else {
//any extra text e.g. "This release build has failed", only used for enterprise release notes
accumulator = accumulator + note
}
}
case *ast.List:
{
// Only add release notes if we are under a current header
if currentHeader != "" {
for child := n.FirstChild(); child != nil; child = child.NextSibling() {
v := child.FirstChild().Lines().At(0)
releaseNoteNode := v.Value(releaseNotesBuf)
releaseNote := prefix + string(releaseNoteNode)
headersToNotesMap[currentHeader] = append(headersToNotesMap[currentHeader], releaseNote)
}
}
}
}
}
return accumulator
}
func GetOSDependencyPrefix(openSourceVersion Version, isHeader bool) string {
prefix := "\n- (From"
if isHeader {
prefix = " (Uses Gloo Edge"
}
osReleaseURL := strings.ReplaceAll(openSourceVersion.String(), ".", "")
osPrefix := fmt.Sprintf("%s [OSS %s](../../../reference/changelog/open_source/#%s)) ", prefix, openSourceVersion.String(), osReleaseURL)
return osPrefix
}
func GetPreviousEnterprisePatchVersion(enterpriseReleasesSorted []*github.RepositoryRelease, index int) *Version {
var previousEnterpriseVersion *Version
currentVersion, err := ParseVersion(enterpriseReleasesSorted[index].GetTagName())
if err != nil {
return nil
}
if index+1 != len(enterpriseReleasesSorted) {
previousRelease := enterpriseReleasesSorted[index+1]
previousVersion, err := ParseVersion(previousRelease.GetTagName())
if err != nil {
return nil
}
// The previous enterprise version only concerns us if it was a patch of the same major and minor version
if previousVersion.Major != currentVersion.Major || previousVersion.Minor != currentVersion.Minor {
return nil
}
previousEnterpriseVersion = previousVersion
}
return previousEnterpriseVersion
}
// Get the list of open source versions between open source version that the previous enterprise version used and the current enterprise version uses
func GetAllOSSDependenciesBetweenEnterpriseVersions(startVersion, endVersion *Version, versionsSorted []*github.RepositoryRelease) []Version {
var dependencies []Version
var adding bool
for _, release := range versionsSorted {
tag, err := ParseVersion(release.GetTagName())
if err != nil {
continue
}
version := *tag
if version == *startVersion {
adding = true
}
if adding && (version.Major != startVersion.Major || version.Minor != startVersion.Minor) {
break
}
if version == *endVersion {
break
}
if adding {
dependencies = append(dependencies, *tag)
}
}
return dependencies
}
func GetOSSDependencyForEnterpriseVersion(enterpriseVersion *Version) (*Version, error) {
if enterpriseVersion == nil {
return nil, nil
}
versionTag := enterpriseVersion.String()
dependencyUrl := fmt.Sprintf("https://storage.googleapis.com/gloo-ee-dependencies/%s/dependencies", versionTag[1:])
request, err := http.NewRequest("GET", dependencyUrl, nil)
if err != nil {
return nil, err
}
response, err := http.DefaultClient.Do(request)
if err != nil {
return nil, err
}
body, err := ioutil.ReadAll(response.Body)
if err != nil {
return nil, err
}
re, err := regexp.Compile(`.*gloo.*(v.*)`)
if err != nil {
return nil, err
}
matches := re.FindStringSubmatch(string(body))
if len(matches) != 2 {
return nil, eris.Errorf("unable to get gloo dependency for gloo enterprise version %s\n response from google storage API: %s", versionTag, string(body))
}
glooVersionTag := matches[1]
version, err := ParseVersion(glooVersionTag)
if err != nil {
return nil, err
}
return version, nil
}
// Sorts a slice of versions in descending order by version e.g. v1.6.1, v1.6.0, v1.6.0-beta9
func SortReleaseVersions(versions []Version) []Version {
versionsCopy := make([]Version, len(versions))
copy(versionsCopy, versions)
sort.Slice(versionsCopy, func(i, j int) bool {
return versionsCopy[i].MustIsGreaterThanOrEqualTo(versionsCopy[j])
})
return versionsCopy
}
func SortReleases(releases []*github.RepositoryRelease) []*github.RepositoryRelease {
releasesCopy := make([]*github.RepositoryRelease, len(releases))
copy(releasesCopy, releases)
sort.Slice(releasesCopy, func(i, j int) bool {
releaseA, releaseB := releasesCopy[i], releasesCopy[j]
versionA, err := ParseVersion(releaseA.GetTagName())
if err != nil {
return false
}
versionB, err := ParseVersion(releaseB.GetTagName())
if err != nil {
return false
}
return versionA.MustIsGreaterThan(*versionB)
})
return releasesCopy
}