forked from openshift/hive
/
clusterpool.go
423 lines (371 loc) · 12.3 KB
/
clusterpool.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
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
package clusterpool
import (
"fmt"
"os"
"path/filepath"
"time"
"github.com/pkg/errors"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/meta"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/cli-runtime/pkg/printers"
"k8s.io/client-go/util/homedir"
"github.com/openshift/hive/apis"
hivev1 "github.com/openshift/hive/apis/hive/v1"
"github.com/openshift/hive/contrib/pkg/utils"
awsutils "github.com/openshift/hive/contrib/pkg/utils/aws"
azureutils "github.com/openshift/hive/contrib/pkg/utils/azure"
gcputils "github.com/openshift/hive/contrib/pkg/utils/gcp"
"github.com/openshift/hive/pkg/clusterresource"
)
const (
cloudAWS = "aws"
cloudAzure = "azure"
cloudGCP = "gcp"
longDesc = `
OVERVIEW
The hiveutil clusterpool create-pool command generates and applies the
artifacts needed to create a new Hive cluster pool.
Currently cluster pools are supported in AWS, Azure and GCP.
IMAGES
An existing ClusterImageSet can be specified with the --image-set
flag. Otherwise, one will be generated using the image specified for the
cluster pool using --release-image flag. If neither of these flags are
specified, default image is obtained from the following URL:
https://amd64.ocp.releases.ci.openshift.org/api/v1/releasestream/4-stable/latest
ENVIRONMENT VARIABLES
The command will use the following environment variables for its output:
PULL_SECRET - If present, it is used as the cluster pool's pull
secret and will override the --pull-secret flag. If not present, and
the --pull-secret flag is not specified, then the --pull-secret-file is
used.
`
)
var (
validClouds = map[string]bool{
cloudAWS: true,
cloudAzure: true,
cloudGCP: true,
}
)
type ClusterPoolOptions struct {
Name string
Namespace string
BaseDomain string
PullSecret string
PullSecretFile string
Cloud string
CredsFile string
CloudSecretName string
ClusterImageSet string
ReleaseImage string
ReleaseImageSource string
Region string
Size int32
HibernateAfter string
HibernateAfterDur *time.Duration
AzureBaseDomainResourceGroupName string
createCloudSecret bool
homeDir string
log log.FieldLogger
Output string
}
func NewCreateClusterPoolCommand() *cobra.Command {
opt := &ClusterPoolOptions{log: log.WithField("command", "clusterpool create-pool")}
opt.homeDir = homedir.HomeDir()
defaultPullSecretFile := ""
pullSecretFileDesc := ""
if _, err := os.Stat(filepath.Join(opt.homeDir, ".pull-secret")); err == nil {
defaultPullSecretFile = filepath.Join(opt.homeDir, ".pull-secret")
pullSecretFileDesc = fmt.Sprintf("Default value is %s", defaultPullSecretFile)
}
cmd := &cobra.Command{
Use: `create-pool CLUSTER_POOL_NAME
create-pool CLUSTER_POOL_NAME --cloud=aws
create-pool CLUSTER_POOL_NAME --cloud=azure --azure-base-domain-resource-group-name=RESOURCE_GROUP_NAME
create-pool CLUSTER_POOL_NAME --cloud=gcp`,
Short: "Creates a new Hive cluster pool",
Long: longDesc,
Args: cobra.ExactArgs(1),
Run: func(cmd *cobra.Command, args []string) {
log.SetLevel(log.InfoLevel)
if err := opt.complete(args); err != nil {
opt.log.WithError(err).Fatal("Error")
}
if err := opt.validate(cmd); err != nil {
opt.log.WithError(err).Fatal("Error")
}
err := opt.run()
if err != nil {
opt.log.WithError(err).Fatal("Error")
}
},
}
flags := cmd.Flags()
flags.StringVar(&opt.Cloud, "cloud", cloudAWS, "Cloud provider: aws(default)|azure|gcp)")
flags.StringVarP(&opt.Namespace, "namespace", "n", "", "Namespace to create cluster pool in")
flags.StringVar(&opt.BaseDomain, "base-domain", "new-installer.openshift.com", "Base domain for the cluster pool")
flags.StringVar(&opt.PullSecret, "pull-secret", "", "Pull secret for cluster pool. Takes precedence over pull-secret-file.")
flags.StringVar(&opt.PullSecretFile, "pull-secret-file", defaultPullSecretFile, fmt.Sprintf("Pull secret file for cluster pool. %s", pullSecretFileDesc))
flags.StringVar(&opt.CredsFile, "creds-file", "", "Cloud credentials file (defaults vary depending on cloud)")
flags.StringVar(&opt.CloudSecretName, "cloud-secret", "", "Cloud secret name if already created")
flags.StringVar(&opt.ClusterImageSet, "image-set", "", "Cluster image set to use for this cluster pool")
flags.StringVar(&opt.ReleaseImage, "release-image", "", "Release image to use for installing the clusters in this pool")
flags.StringVar(&opt.ReleaseImageSource, "release-image-source", "https://amd64.ocp.releases.ci.openshift.org/api/v1/releasestream/4-stable/latest", "URL to JSON describing the release image pull spec")
flags.StringVar(&opt.Region, "region", "", "Region to which to install the cluster pool.")
flags.Int32Var(&opt.Size, "size", 1, "Size of cluster pool")
flags.StringVar(&opt.AzureBaseDomainResourceGroupName, "azure-base-domain-resource-group-name", "os4-common", "Resource group where the azure DNS zone for the base domain is found")
flags.StringVar(&opt.HibernateAfter, "hibernate-after", "", "Automatically hibernate clusterpool clusters when they have been running for the given duration")
flags.StringVarP(&opt.Output, "output", "o", "", "Output of this command (nothing will be created on cluster). Valid values: yaml,json")
return cmd
}
// complete finishes parsing arguments for the command
func (o *ClusterPoolOptions) complete(args []string) error {
o.Name = args[0]
if o.Region == "" {
switch o.Cloud {
case cloudAWS:
o.Region = "us-east-1"
case cloudAzure:
o.Region = "centralus"
case cloudGCP:
o.Region = "us-east1"
}
}
if len(o.CloudSecretName) == 0 {
o.createCloudSecret = true
}
if o.HibernateAfter != "" {
dur, err := time.ParseDuration(o.HibernateAfter)
if err != nil {
return errors.Wrapf(err, "unable to parse HibernateAfter duration")
}
o.HibernateAfterDur = &dur
}
return nil
}
// validate ensures that option values make sense
func (o *ClusterPoolOptions) validate(cmd *cobra.Command) error {
if len(o.Output) > 0 && o.Output != "yaml" && o.Output != "json" {
cmd.Usage()
o.log.Info("Invalid value for output. Valid values are: yaml, json.")
return fmt.Errorf("invalid output")
}
if len(o.BaseDomain) == 0 {
return fmt.Errorf("base domain is required")
}
releaseImageFlagsUsed := 0
switch {
case o.ClusterImageSet != "":
releaseImageFlagsUsed++
case o.ReleaseImage != "":
releaseImageFlagsUsed++
case o.ReleaseImageSource != "":
releaseImageFlagsUsed++
}
if releaseImageFlagsUsed == 0 {
cmd.Usage()
return fmt.Errorf("must specify one of image set, release image or release image source")
}
if releaseImageFlagsUsed > 1 {
cmd.Usage()
return fmt.Errorf("must specify only one of image set, release image or release image source")
}
if !validClouds[o.Cloud] {
cmd.Usage()
return fmt.Errorf("unsupported cloud: %s", o.Cloud)
}
return nil
}
// run executes the command
func (o *ClusterPoolOptions) run() error {
scheme := runtime.NewScheme()
if err := apis.AddToScheme(scheme); err != nil {
return err
}
objs, err := o.generateObjects()
if err != nil {
return err
}
if len(o.Output) > 0 {
var printer printers.ResourcePrinter
if o.Output == "yaml" {
printer = &printers.YAMLPrinter{}
} else {
printer = &printers.JSONPrinter{}
}
printObjects(objs, scheme, printer)
return err
}
rh, err := utils.GetResourceHelper(o.log)
if err != nil {
return err
}
if len(o.Namespace) == 0 {
o.Namespace, err = utils.DefaultNamespace()
if err != nil {
return errors.Wrapf(err, "cannot determine default namespace")
}
}
for _, obj := range objs {
accessor, err := meta.Accessor(obj)
if err != nil {
return errors.Wrapf(err, "cannot create accessor for object of type %T", obj)
}
accessor.SetNamespace(o.Namespace)
if _, err := rh.ApplyRuntimeObject(obj, scheme); err != nil {
return err
}
}
return nil
}
func (o *ClusterPoolOptions) generateObjects() ([]runtime.Object, error) {
pullSecret, err := utils.GetPullSecret(o.log, o.PullSecret, o.PullSecretFile)
if err != nil {
return nil, err
}
builder := &clusterresource.Builder{
Name: o.Name,
Namespace: o.Namespace,
PullSecret: pullSecret,
BaseDomain: o.BaseDomain,
}
if o.createCloudSecret {
switch o.Cloud {
case cloudAWS:
defaultCredsFilePath := filepath.Join(o.homeDir, ".aws", "credentials")
accessKeyID, secretAccessKey, err := awsutils.GetAWSCreds(o.CredsFile, defaultCredsFilePath)
if err != nil {
o.log.WithError(err).Error("Failed to get AWS credentials")
return nil, err
}
builder.CloudBuilder = &clusterresource.AWSCloudBuilder{
AccessKeyID: accessKeyID,
SecretAccessKey: secretAccessKey,
Region: o.Region,
}
case cloudAzure:
creds, err := azureutils.GetCreds(o.CredsFile)
if err != nil {
o.log.WithError(err).Error("Failed to read in Azure credentials")
return nil, err
}
builder.CloudBuilder = &clusterresource.AzureCloudBuilder{
ServicePrincipal: creds,
BaseDomainResourceGroupName: o.AzureBaseDomainResourceGroupName,
Region: o.Region,
}
case cloudGCP:
creds, err := gcputils.GetCreds(o.CredsFile)
if err != nil {
o.log.WithError(err).Error("Failed to get GCP credentials")
return nil, err
}
builder.CloudBuilder = &clusterresource.GCPCloudBuilder{
ServiceAccount: creds,
Region: o.Region,
}
}
}
imageSet, err := o.configureImages()
if err != nil {
return nil, err
}
result, err := o.build(builder)
if err != nil {
return nil, err
}
if imageSet != nil {
result = append(result, imageSet)
}
if len(pullSecret) != 0 {
result = append(result, builder.GeneratePullSecretSecret())
}
return result, nil
}
func (o *ClusterPoolOptions) configureImages() (*hivev1.ClusterImageSet, error) {
if len(o.ClusterImageSet) > 0 {
return nil, nil
}
if o.ReleaseImage == "" {
var err error
o.ReleaseImage, err = utils.DetermineReleaseImageFromSource(o.ReleaseImageSource)
if err != nil {
return nil, fmt.Errorf("cannot determine release image: %v", err)
}
}
imageSet := &hivev1.ClusterImageSet{
ObjectMeta: metav1.ObjectMeta{
Name: fmt.Sprintf("%s-imageset", o.Name),
},
TypeMeta: metav1.TypeMeta{
Kind: "ClusterImageSet",
APIVersion: hivev1.SchemeGroupVersion.String(),
},
Spec: hivev1.ClusterImageSetSpec{
ReleaseImage: o.ReleaseImage,
},
}
o.ClusterImageSet = imageSet.Name
return imageSet, nil
}
func (o *ClusterPoolOptions) build(builder *clusterresource.Builder) ([]runtime.Object, error) {
var allObjects []runtime.Object
allObjects = append(allObjects, o.generateClusterPool(builder))
if o.createCloudSecret {
cloudCredsSecret := builder.CloudBuilder.GenerateCredentialsSecret(builder)
if cloudCredsSecret != nil {
allObjects = append(allObjects, cloudCredsSecret)
}
}
return allObjects, nil
}
func (o *ClusterPoolOptions) generateClusterPool(builder *clusterresource.Builder) *hivev1.ClusterPool {
cp := &hivev1.ClusterPool{
TypeMeta: metav1.TypeMeta{
Kind: "ClusterPool",
APIVersion: hivev1.SchemeGroupVersion.String(),
},
ObjectMeta: metav1.ObjectMeta{
Name: o.Name,
Namespace: o.Namespace,
},
Spec: hivev1.ClusterPoolSpec{
BaseDomain: o.BaseDomain,
Size: o.Size,
},
}
if o.PullSecret != "" || o.PullSecretFile != "" {
cp.Spec.PullSecretRef = &corev1.LocalObjectReference{Name: builder.GetPullSecretSecretName()}
}
if o.ClusterImageSet != "" {
cp.Spec.ImageSetRef = hivev1.ClusterImageSetReference{Name: o.ClusterImageSet}
}
if o.HibernateAfterDur != nil {
cp.Spec.HibernateAfter = &metav1.Duration{Duration: *o.HibernateAfterDur}
}
cp.Spec.Platform = builder.CloudBuilder.GetCloudPlatform(builder)
return cp
}
func printObjects(objects []runtime.Object, scheme *runtime.Scheme, printer printers.ResourcePrinter) {
typeSetterPrinter := printers.NewTypeSetter(scheme).ToPrinter(printer)
switch len(objects) {
case 0:
return
case 1:
typeSetterPrinter.PrintObj(objects[0], os.Stdout)
default:
list := &metav1.List{
TypeMeta: metav1.TypeMeta{
Kind: "List",
APIVersion: corev1.SchemeGroupVersion.String(),
},
ListMeta: metav1.ListMeta{},
}
meta.SetList(list, objects)
typeSetterPrinter.PrintObj(list, os.Stdout)
}
}