/
validate.go
217 lines (186 loc) · 7.42 KB
/
validate.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
// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"errors"
"flag"
"fmt"
"log"
"os"
"path/filepath"
"regexp"
"strings"
)
var (
validateCmd *flag.FlagSet
owlBotConfigPath string
processorConfigPath string
validateGoogleapisDir string
lastSegmentExecptions = map[string]bool{
"admin": true, // firestore
"common": true, // oslogin
"type": true, // shopping et al.
"autogen": true, // longrunning
"longrunning": true,
}
moduleAPIVersionRegex = regexp.MustCompile(`\/api(v[1-9]+[a-z0-9]*)`)
directoryAPIVersionRegex = regexp.MustCompile(`\/(v[1-9]+[a-z0-9]*)`)
)
const (
defaultOwlBotConfig = ".github/.OwlBot.yaml"
defaultProcessorConfig = "internal/postprocessor/config.yaml"
)
func init() {
validateCmd = flag.NewFlagSet("validate", flag.ExitOnError)
validateCmd.StringVar(&owlBotConfigPath, "owl-bot-config", "", "Absolute path to OwlBot config. Defaults to $PWD/"+defaultOwlBotConfig)
validateCmd.StringVar(&processorConfigPath, "processor-config", "", "Absolute path to PostProcessor config. Defaults to $PWD/"+defaultProcessorConfig)
validateCmd.StringVar(&validateGoogleapisDir, "googleapis-dir", "", "Absolute path to googleapis directory - enables file existence check(s). Default disabled.")
}
func validate() error {
validateCmd.Parse(os.Args[2:])
dir, err := os.Getwd()
if err != nil {
return err
}
if owlBotConfigPath == "" {
owlBotConfigPath = filepath.Join(dir, defaultOwlBotConfig)
}
if processorConfigPath == "" {
processorConfigPath = filepath.Join(dir, defaultProcessorConfig)
}
log.Println("owl-bot-config set to", owlBotConfigPath)
log.Println("processor-config set to", processorConfigPath)
log.Println("googleapis-dir set to", validateGoogleapisDir)
ppc, obc, err := loadConfigs(processorConfigPath, owlBotConfigPath)
if err != nil {
return err
}
if err := validatePostProcessorConfig(ppc); err != nil {
log.Println("error validating post processor config")
return err
}
if err := validateOwlBotConfig(obc, ppc); err != nil {
log.Println("error validating OwlBot config")
return err
}
return nil
}
func validatePostProcessorConfig(ppc *postProcessorConfig) error {
// Verify no duplicate module entries - `modules` property in YAML.
mods := make(map[string]bool, len(ppc.Modules))
for _, m := range ppc.Modules {
if seen := mods[m]; seen {
return fmt.Errorf("duplicate post-processor modules entry: %s", m)
}
mods[m] = true
}
serviceConfigs := make(map[string]*serviceConfigEntry)
for _, s := range ppc.ServiceConfigs {
if strings.Contains(s.InputDirectory, "grafeas") {
// Skip grafeas because it's an oddity that won't change anytime soon.
continue
}
// Verify no duplicate service config entries by `import-path`.
if _, seen := serviceConfigs[s.ImportPath]; seen {
return fmt.Errorf("duplicate post-processor service-configs entry for import-path: %s", s.ImportPath)
}
if err := validateServiceConfigEntry(s); err != nil {
return err
}
serviceConfigs[s.ImportPath] = s
}
return nil
}
func validateServiceConfigEntry(s *serviceConfigEntry) error {
if !strings.HasPrefix(s.ImportPath, "cloud.google.com/go/") {
return fmt.Errorf("import-path should start with 'cloud.google.com/go/': %s", s.ImportPath)
}
// Verify that import-path ends with "apiv" suffix.
importMatches := moduleAPIVersionRegex.FindAllStringSubmatch(s.ImportPath, 1)
last := s.ImportPath[strings.LastIndex(s.ImportPath, "/")+1:]
if len(importMatches) == 0 && !lastSegmentExecptions[last] {
return fmt.Errorf("import-path should have an api version in format 'apiv[a-b1-9]+': %s", s.ImportPath)
}
// Verify that input-directory ends with version suffix.
dirMatches := directoryAPIVersionRegex.FindAllStringSubmatch(s.InputDirectory, -1)
last = s.InputDirectory[strings.LastIndex(s.InputDirectory, "/")+1:]
if len(dirMatches) == 0 && !lastSegmentExecptions[last] {
return fmt.Errorf("import-path should have an api version in format 'v[a-b1-9]+': %s", s.InputDirectory)
}
// Verify import-path version matches api version in input-directory.
// Skip this if there were no matches for the expected segments.
if len(dirMatches) > 0 && len(importMatches) > 0 {
importVersion := importMatches[0][1]
dirVersion := dirMatches[0][1]
if importVersion != dirVersion {
return fmt.Errorf("mismatched input-directory (%s) and import-path (%s) versions: %s vs. %s", s.InputDirectory, s.ImportPath, dirVersion, importVersion)
}
}
// Verify that the service-config file actually exists, if requested.
if validateGoogleapisDir != "" {
serviceConfigPath := filepath.Join(validateGoogleapisDir, s.InputDirectory, s.ServiceConfig)
if _, err := os.Stat(serviceConfigPath); errors.Is(err, os.ErrNotExist) {
return fmt.Errorf("service-config file does not exist: %s", serviceConfigPath)
}
}
return nil
}
func validateOwlBotConfig(obc *owlBotConfig, ppc *postProcessorConfig) error {
// Collect all API directories with post processor configs to ensure each
// has an appropriate OwlBot config.
postProcessedDirectories := make(map[string]*serviceConfigEntry, len(ppc.ServiceConfigs))
postProcessedImportPaths := make(map[string]*serviceConfigEntry, len(ppc.ServiceConfigs))
for _, s := range ppc.ServiceConfigs {
postProcessedDirectories[s.InputDirectory] = s
importPath := s.ImportPath
if s.RelPath != "" {
importPath = filepath.Join("cloud.google.com/go", s.RelPath)
}
postProcessedImportPaths[importPath] = s
}
sources := make(map[string]bool, len(obc.DeepCopyRegex))
for _, dcr := range obc.DeepCopyRegex {
// Verify no duplicate DeepCopyRegex configs
if sources[dcr.Source] {
return fmt.Errorf("duplicate deep-copy-regex entry: %s", dcr.Source)
}
// Verify that each DeepCopyRegex has a corresponding PostProcessor config
// entry. Also detects if there is typo in the DeepCopyRegex source.
//
// Substring from 1 to trim the leading '/' from Source.
apiSource := dcr.Source[1:strings.Index(dcr.Source, "/cloud.google.com")]
if _, ok := postProcessedDirectories[apiSource]; !ok {
return fmt.Errorf("copied directory is missing a post-processor config or vice versa: %s", dcr.Source)
}
sources[dcr.Source] = true
}
removals := make(map[string]bool, len(obc.DeepRemoveRegex))
for _, drr := range obc.DeepRemoveRegex {
drr = strings.TrimSuffix(drr, "/")
// Verify no duplicate deep-remove-regex entries.
if removals[drr] {
return fmt.Errorf("duplicate deep-remove-regex entry: %s", drr)
}
// Verify deep-remove-regex is associated with a PostProcessor config entry.
// Also detects if there is typo in the deep-remove-regex entry.
if !strings.HasPrefix(drr, "/internal/generated/snippets") {
fullImportPath := filepath.Join("cloud.google.com/go", drr)
if _, ok := postProcessedImportPaths[fullImportPath]; !ok {
return fmt.Errorf("removed importpath is missing a post-processor config or vice versa: %s", drr)
}
}
removals[drr] = true
}
return nil
}