-
Notifications
You must be signed in to change notification settings - Fork 886
/
common.go
308 lines (283 loc) · 9.17 KB
/
common.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
/*
Copyright 2021 The KubeVela Authors.
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 common
import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"os"
"os/exec"
"path/filepath"
"cuelang.org/go/cue"
"cuelang.org/go/cue/ast"
"cuelang.org/go/cue/format"
"cuelang.org/go/encoding/openapi"
"github.com/AlecAivazis/survey/v2"
"github.com/hashicorp/hcl/v2/hclparse"
"github.com/oam-dev/terraform-config-inspect/tfconfig"
terraformv1beta1 "github.com/oam-dev/terraform-controller/api/v1beta1"
kruise "github.com/openkruise/kruise-api/apps/v1alpha1"
certmanager "github.com/wonderflow/cert-manager-api/pkg/apis/certmanager/v1"
istioclientv1beta1 "istio.io/client-go/pkg/apis/networking/v1beta1"
crdv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
k8sruntime "k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
clientgoscheme "k8s.io/client-go/kubernetes/scheme"
apiregistrationv1 "k8s.io/kube-aggregator/pkg/apis/apiregistration/v1"
ocmclusterv1alpha1 "open-cluster-management.io/api/cluster/v1alpha1"
ocmworkv1 "open-cluster-management.io/api/work/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/client/config"
"sigs.k8s.io/yaml"
oamcore "github.com/oam-dev/kubevela/apis/core.oam.dev"
oamstandard "github.com/oam-dev/kubevela/apis/standard.oam.dev/v1alpha1"
velacue "github.com/oam-dev/kubevela/pkg/cue"
"github.com/oam-dev/kubevela/pkg/cue/model"
)
var (
// Scheme defines the default KubeVela schema
Scheme = k8sruntime.NewScheme()
)
func init() {
_ = clientgoscheme.AddToScheme(Scheme)
_ = apiregistrationv1.AddToScheme(Scheme)
_ = crdv1.AddToScheme(Scheme)
_ = oamcore.AddToScheme(Scheme)
_ = oamstandard.AddToScheme(Scheme)
_ = istioclientv1beta1.AddToScheme(Scheme)
_ = certmanager.AddToScheme(Scheme)
_ = kruise.AddToScheme(Scheme)
_ = terraformv1beta1.AddToScheme(Scheme)
_ = ocmclusterv1alpha1.Install(Scheme)
_ = ocmworkv1.Install(Scheme)
// +kubebuilder:scaffold:scheme
}
// InitBaseRestConfig will return reset config for create controller runtime client
func InitBaseRestConfig() (Args, error) {
restConf, err := config.GetConfig()
if err != nil && os.Getenv("IGNORE_KUBE_CONFIG") != "true" {
fmt.Println("get kubeConfig err", err)
os.Exit(1)
}
return Args{
Config: restConf,
Schema: Scheme,
}, nil
}
// HTTPGet will send GET http request with context
func HTTPGet(ctx context.Context, url string) ([]byte, error) {
// Change NewRequest to NewRequestWithContext and pass context it
req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
if err != nil {
return nil, err
}
resp, err := http.DefaultClient.Do(req)
if err != nil {
return nil, err
}
//nolint:errcheck
defer resp.Body.Close()
return io.ReadAll(resp.Body)
}
// GetCUEParameterValue converts definitions to cue format
func GetCUEParameterValue(cueStr string) (cue.Value, error) {
r := cue.Runtime{}
template, err := r.Compile("", cueStr+velacue.BaseTemplate)
if err != nil {
return cue.Value{}, err
}
tempStruct, err := template.Value().Struct()
if err != nil {
return cue.Value{}, err
}
// find the parameter definition
var paraDef cue.FieldInfo
var found bool
for i := 0; i < tempStruct.Len(); i++ {
paraDef = tempStruct.Field(i)
if paraDef.Name == model.ParameterFieldName {
found = true
break
}
}
if !found {
return cue.Value{}, errors.New("parameter not exist")
}
arguments := paraDef.Value
return arguments, nil
}
// GenOpenAPI generates OpenAPI json schema from cue.Instance
func GenOpenAPI(inst *cue.Instance) ([]byte, error) {
if inst.Err != nil {
return nil, inst.Err
}
paramOnlyIns, err := RefineParameterInstance(inst)
if err != nil {
return nil, err
}
defaultConfig := &openapi.Config{}
b, err := openapi.Gen(paramOnlyIns, defaultConfig)
if err != nil {
return nil, err
}
var out = &bytes.Buffer{}
_ = json.Indent(out, b, "", " ")
return out.Bytes(), nil
}
// extractParameterDefinitionNodeFromInstance extracts the `#parameter` ast.Node from root instance, if failed fall back to `parameter` by LookUpDef
func extractParameterDefinitionNodeFromInstance(inst *cue.Instance) ast.Node {
opts := []cue.Option{cue.All(), cue.DisallowCycles(true), cue.ResolveReferences(true), cue.Docs(true)}
node := inst.Value().Syntax(opts...)
if fileNode, ok := node.(*ast.File); ok {
for _, decl := range fileNode.Decls {
if field, ok := decl.(*ast.Field); ok {
if label, ok := field.Label.(*ast.Ident); ok && label.Name == "#"+model.ParameterFieldName {
return decl.(*ast.Field).Value
}
}
}
}
paramVal := inst.LookupDef(model.ParameterFieldName)
return paramVal.Syntax(opts...)
}
// RefineParameterInstance refines cue instance to merely include `parameter` identifier
func RefineParameterInstance(inst *cue.Instance) (*cue.Instance, error) {
r := cue.Runtime{}
paramVal := inst.LookupDef(model.ParameterFieldName)
var paramOnlyStr string
switch k := paramVal.IncompleteKind(); k {
case cue.StructKind, cue.ListKind:
paramSyntax, _ := format.Node(extractParameterDefinitionNodeFromInstance(inst))
paramOnlyStr = fmt.Sprintf("#%s: %s\n", model.ParameterFieldName, string(paramSyntax))
case cue.IntKind, cue.StringKind, cue.FloatKind, cue.BoolKind:
paramOnlyStr = fmt.Sprintf("#%s: %v", model.ParameterFieldName, paramVal)
case cue.BottomKind:
paramOnlyStr = fmt.Sprintf("#%s: {}", model.ParameterFieldName)
default:
return nil, fmt.Errorf("unsupport parameter kind: %s", k.String())
}
paramOnlyIns, err := r.Compile("-", paramOnlyStr)
if err != nil {
return nil, err
}
return paramOnlyIns, nil
}
// RealtimePrintCommandOutput prints command output in real time
// If logFile is "", it will prints the stdout, or it will write to local file
func RealtimePrintCommandOutput(cmd *exec.Cmd, logFile string) error {
var writer io.Writer
if logFile == "" {
writer = io.MultiWriter(os.Stdout)
} else {
if _, err := os.Stat(filepath.Dir(logFile)); err != nil {
return err
}
f, err := os.Create(filepath.Clean(logFile))
if err != nil {
return err
}
writer = io.MultiWriter(f)
}
cmd.Stdout = writer
cmd.Stderr = writer
if err := cmd.Run(); err != nil {
return err
}
return nil
}
// AskToChooseOneService will ask users to select one service of the application if more than one exidi
func AskToChooseOneService(svcNames []string) (string, error) {
if len(svcNames) == 0 {
return "", fmt.Errorf("no service exist in the application")
}
if len(svcNames) == 1 {
return svcNames[0], nil
}
prompt := &survey.Select{
Message: "You have multiple services in your app. Please choose one service: ",
Options: svcNames,
}
var svcName string
err := survey.AskOne(prompt, &svcName)
if err != nil {
return "", fmt.Errorf("choosing service err %w", err)
}
return svcName, nil
}
// ReadYamlToObject will read a yaml K8s object to runtime.Object
func ReadYamlToObject(path string, object k8sruntime.Object) error {
data, err := os.ReadFile(filepath.Clean(path))
if err != nil {
return err
}
return yaml.Unmarshal(data, object)
}
// ParseTerraformVariables get variables from Terraform Configuration
func ParseTerraformVariables(configuration string) (map[string]*tfconfig.Variable, error) {
p := hclparse.NewParser()
hclFile, diagnostic := p.ParseHCL([]byte(configuration), "")
if diagnostic != nil {
return nil, errors.New(diagnostic.Error())
}
mod := tfconfig.Module{Variables: map[string]*tfconfig.Variable{}}
diagnostic = tfconfig.LoadModuleFromFile(hclFile, &mod)
if diagnostic != nil {
return nil, errors.New(diagnostic.Error())
}
return mod.Variables, nil
}
// GenerateUnstructuredObj generate UnstructuredObj
func GenerateUnstructuredObj(name, ns string, gvk schema.GroupVersionKind) *unstructured.Unstructured {
u := &unstructured.Unstructured{}
u.SetGroupVersionKind(gvk)
u.SetName(name)
u.SetNamespace(ns)
return u
}
// SetSpecObjIntoUnstructuredObj set UnstructuredObj spec field
func SetSpecObjIntoUnstructuredObj(spec interface{}, u *unstructured.Unstructured) error {
bts, err := json.Marshal(spec)
if err != nil {
return err
}
data := make(map[string]interface{})
if err := json.Unmarshal(bts, &data); err != nil {
return err
}
_ = unstructured.SetNestedMap(u.Object, data, "spec")
return nil
}
// NewK8sClient init a local k8s client which add oamcore scheme
func NewK8sClient() (client.Client, error) {
conf, err := config.GetConfig()
if err != nil {
return nil, err
}
scheme := k8sruntime.NewScheme()
if err := clientgoscheme.AddToScheme(scheme); err != nil {
return nil, err
}
if err := oamcore.AddToScheme(scheme); err != nil {
return nil, err
}
k8sClient, err := client.New(conf, client.Options{Scheme: scheme})
if err != nil {
return nil, err
}
return k8sClient, nil
}