/
tasks.go
473 lines (418 loc) · 15.5 KB
/
tasks.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
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
package eks
import (
"context"
"fmt"
"strings"
"time"
"github.com/aws/aws-sdk-go-v2/aws"
"github.com/aws/aws-sdk-go-v2/service/cloudwatchlogs"
"github.com/weaveworks/eksctl/pkg/actions/iamidentitymapping"
"github.com/weaveworks/eksctl/pkg/actions/identityproviders"
"github.com/weaveworks/eksctl/pkg/windows"
"github.com/kris-nova/logger"
"github.com/pkg/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/sets"
"github.com/weaveworks/eksctl/pkg/actions/irsa"
"github.com/weaveworks/eksctl/pkg/addons"
"github.com/weaveworks/eksctl/pkg/cfn/manager"
"github.com/weaveworks/eksctl/pkg/fargate"
iamoidc "github.com/weaveworks/eksctl/pkg/iam/oidc"
instanceutils "github.com/weaveworks/eksctl/pkg/utils/instance"
"github.com/weaveworks/eksctl/pkg/utils/tasks"
api "github.com/weaveworks/eksctl/pkg/apis/eksctl.io/v1alpha5"
"github.com/weaveworks/eksctl/pkg/kubernetes"
)
type clusterConfigTask struct {
info string
spec *api.ClusterConfig
call func(*api.ClusterConfig) error
}
func (t *clusterConfigTask) Describe() string { return t.info }
func (t *clusterConfigTask) Do(errs chan error) error {
err := t.call(t.spec)
close(errs)
return err
}
// WindowsIPAMTask is a task for enabling Windows IPAM.
type WindowsIPAMTask struct {
Info string
ClientsetFunc func() (kubernetes.Interface, error)
}
// Do implements Task.
func (w *WindowsIPAMTask) Do(errCh chan error) error {
defer close(errCh)
clientset, err := w.ClientsetFunc()
if err != nil {
return err
}
windowsIPAM := windows.IPAM{
Clientset: clientset,
}
return windowsIPAM.Enable(context.TODO())
}
// Describe implements Task.
func (w *WindowsIPAMTask) Describe() string {
return w.Info
}
// VPCControllerTask represents a task to install the VPC controller
type VPCControllerTask struct {
Context context.Context
Info string
ClusterProvider *ClusterProvider
ClusterConfig *api.ClusterConfig
PlanMode bool
}
// Describe implements Task
func (v *VPCControllerTask) Describe() string { return v.Info }
// Do implements Task
func (v *VPCControllerTask) Do(errCh chan error) error {
defer close(errCh)
rawClient, err := v.ClusterProvider.NewRawClient(v.ClusterConfig)
if err != nil {
return err
}
oidc, err := v.ClusterProvider.NewOpenIDConnectManager(v.Context, v.ClusterConfig)
if err != nil {
return err
}
stackCollection := manager.NewStackCollection(v.ClusterProvider.AWSProvider, v.ClusterConfig)
clientSet, err := v.ClusterProvider.NewStdClientSet(v.ClusterConfig)
if err != nil {
return err
}
irsaManager := irsa.New(v.ClusterConfig.Metadata.Name, stackCollection, oidc, clientSet)
irsa := addons.NewIRSAHelper(oidc, stackCollection, irsaManager, v.ClusterConfig.Metadata.Name)
// TODO PlanMode doesn't work as intended
vpcController := addons.NewVPCController(rawClient, irsa, v.ClusterConfig.Status, v.ClusterProvider.AWSProvider.Region(), v.PlanMode)
if err := vpcController.Deploy(v.Context); err != nil {
return errors.Wrap(err, "error installing VPC controller")
}
return nil
}
type devicePluginTask struct {
kind string
clusterProvider *ClusterProvider
spec *api.ClusterConfig
mkPlugin addons.MkDevicePlugin
logMessage string
}
func (n *devicePluginTask) Describe() string { return fmt.Sprintf("install %s device plugin", n.kind) }
func (n *devicePluginTask) Do(errCh chan error) error {
defer close(errCh)
rawClient, err := n.clusterProvider.NewRawClient(n.spec)
if err != nil {
return err
}
devicePlugin := n.mkPlugin(rawClient, n.clusterProvider.AWSProvider.Region(), false, n.spec)
if err := devicePlugin.Deploy(); err != nil {
return errors.Wrap(err, "error installing device plugin")
}
logger.Info(n.logMessage)
return nil
}
func newNvidiaDevicePluginTask(
clusterProvider *ClusterProvider,
spec *api.ClusterConfig,
) tasks.Task {
t := devicePluginTask{
kind: "Nvidia",
clusterProvider: clusterProvider,
spec: spec,
mkPlugin: addons.NewNvidiaDevicePlugin,
logMessage: `as you are using the EKS-Optimized Accelerated AMI with a GPU-enabled instance type, the Nvidia Kubernetes device plugin was automatically installed.
to skip installing it, use --install-nvidia-plugin=false.
`,
}
return &t
}
func newNeuronDevicePluginTask(
clusterProvider *ClusterProvider,
spec *api.ClusterConfig,
) tasks.Task {
t := devicePluginTask{
kind: "Neuron",
clusterProvider: clusterProvider,
spec: spec,
mkPlugin: addons.NewNeuronDevicePlugin,
logMessage: `as you are using the EKS-Optimized Accelerated AMI with an inf1 instance type, the AWS Neuron Kubernetes device plugin was automatically installed.
to skip installing it, use --install-neuron-plugin=false.
`,
}
return &t
}
func newEFADevicePluginTask(
clusterProvider *ClusterProvider,
spec *api.ClusterConfig,
) tasks.Task {
t := devicePluginTask{
kind: "EFA",
clusterProvider: clusterProvider,
spec: spec,
mkPlugin: addons.NewEFADevicePlugin,
logMessage: "as you have enabled EFA, the EFA device plugin was automatically installed.",
}
return &t
}
type restartDaemonsetTask struct {
name string
namespace string
clusterProvider *ClusterProvider
spec *api.ClusterConfig
}
func (t *restartDaemonsetTask) Describe() string {
return fmt.Sprintf(`restart daemonset "%s/%s"`, t.namespace, t.name)
}
func (t *restartDaemonsetTask) Do(errCh chan error) error {
defer close(errCh)
clientSet, err := t.clusterProvider.NewStdClientSet(t.spec)
if err != nil {
return err
}
ds := clientSet.AppsV1().DaemonSets(t.namespace)
dep, err := ds.Get(context.TODO(), t.name, metav1.GetOptions{})
if err != nil {
return err
}
if dep.Spec.Template.Annotations == nil {
dep.Spec.Template.Annotations = make(map[string]string)
}
dep.Spec.Template.Annotations["eksctl.io/restartedAt"] = time.Now().Format(time.RFC3339)
bytes, err := runtime.Encode(unstructured.UnstructuredJSONScheme, dep)
if err != nil {
return errors.Wrapf(err, "failed to marshal %q deployment", t.name)
}
if _, err := ds.Patch(context.TODO(), t.name, types.MergePatchType, bytes, metav1.PatchOptions{}); err != nil {
return errors.Wrap(err, "failed to patch deployment")
}
logger.Info(`daemonset "%s/%s" restarted`, t.namespace, t.name)
return nil
}
// CreateExtraClusterConfigTasks returns all tasks for updating cluster configuration
func (c *ClusterProvider) CreateExtraClusterConfigTasks(ctx context.Context, cfg *api.ClusterConfig) *tasks.TaskTree {
newTasks := &tasks.TaskTree{
Parallel: false,
IsSubTask: true,
}
newTasks.Append(&tasks.GenericTask{
Description: "wait for control plane to become ready",
Doer: func() error {
clientSet, err := c.NewRawClient(cfg)
if err != nil {
if _, ok := err.(*kubernetes.APIServerUnreachableError); ok {
logger.Warning("API server is unreachable")
} else {
return fmt.Errorf("error creating Clientset: %w", err)
}
} else if err := c.KubeProvider.WaitForControlPlane(cfg.Metadata, clientSet, c.AWSProvider.WaitTimeout()); err != nil {
return err
}
return c.RefreshClusterStatus(ctx, cfg)
},
})
if cfg.HasClusterCloudWatchLogging() {
if logRetentionDays := cfg.CloudWatch.ClusterLogging.LogRetentionInDays; logRetentionDays != 0 {
newTasks.Append(&clusterConfigTask{
info: "update CloudWatch log retention",
spec: cfg,
call: func(clusterConfig *api.ClusterConfig) error {
_, err := c.AWSProvider.CloudWatchLogs().PutRetentionPolicy(ctx, &cloudwatchlogs.PutRetentionPolicyInput{
// The format for log group name is documented here: https://docs.aws.amazon.com/eks/latest/userguide/control-plane-logs.html
LogGroupName: aws.String(fmt.Sprintf("/aws/eks/%s/cluster", cfg.Metadata.Name)),
RetentionInDays: aws.Int32(int32(logRetentionDays)),
})
if err != nil {
return errors.Wrap(err, "error updating log retention settings")
}
logger.Info("set log retention to %d days for CloudWatch logging", logRetentionDays)
return nil
},
})
}
}
if cfg.IsFargateEnabled() {
manager := fargate.NewFromProvider(cfg.Metadata.Name, c.AWSProvider, c.NewStackManager(cfg))
newTasks.Append(&fargateProfilesTask{
info: "create fargate profiles",
spec: cfg,
clusterProvider: c,
manager: &manager,
ctx: ctx,
})
}
if api.IsEnabled(cfg.IAM.WithOIDC) {
c.appendCreateTasksForIAMServiceAccounts(ctx, cfg, newTasks)
}
if len(cfg.IdentityProviders) > 0 {
newTasks.Append(identityproviders.NewAssociateProvidersTask(ctx, *cfg.Metadata, cfg.IdentityProviders, c.AWSProvider.EKS()))
}
if len(cfg.IAMIdentityMappings) > 0 {
newTasks.Append(&tasks.GenericTask{
Description: "create IAM identity mappings",
Doer: func() error {
clientSet, err := c.NewStdClientSet(cfg)
if err != nil {
return errors.Wrap(err, "error creating Clientset")
}
rawClient, err := c.NewRawClient(cfg)
if err != nil {
return errors.Wrap(err, "error creating rawClient")
}
m, err := iamidentitymapping.New(cfg, clientSet, rawClient, cfg.Metadata.Region)
if err != nil {
return errors.Wrap(err, "error initialising iamidentitymapping")
}
for _, mapping := range cfg.IAMIdentityMappings {
if err := m.Create(ctx, mapping); err != nil {
return err
}
}
return c.RefreshClusterStatus(ctx, cfg)
},
})
}
if cfg.HasWindowsNodeGroup() {
newTasks.Append(&WindowsIPAMTask{
Info: "enable Windows IP address management",
ClientsetFunc: func() (kubernetes.Interface, error) {
return c.NewStdClientSet(cfg)
},
})
}
return newTasks
}
// LogEnabledFeatures logs enabled features
func LogEnabledFeatures(clusterConfig *api.ClusterConfig) {
if clusterConfig.HasClusterEndpointAccess() && api.EndpointsEqual(*clusterConfig.VPC.ClusterEndpoints, *api.ClusterEndpointAccessDefaults()) {
logger.Info(clusterConfig.DefaultEndpointsMsg())
} else {
logger.Info(clusterConfig.CustomEndpointsMsg())
}
if !clusterConfig.HasClusterCloudWatchLogging() {
logger.Info("CloudWatch logging will not be enabled for cluster %q in %q", clusterConfig.Metadata.Name, clusterConfig.Metadata.Region)
logger.Info("you can enable it with 'eksctl utils update-cluster-logging --enable-types={SPECIFY-YOUR-LOG-TYPES-HERE (e.g. all)} --region=%s --cluster=%s'", clusterConfig.Metadata.Region, clusterConfig.Metadata.Name)
return
}
all := sets.New[string](api.SupportedCloudWatchClusterLogTypes()...)
enabled := sets.New[string]()
if clusterConfig.HasClusterCloudWatchLogging() {
enabled.Insert(clusterConfig.CloudWatch.ClusterLogging.EnableTypes...)
}
disabled := all.Difference(enabled)
describeEnabledTypes := "no types enabled"
if enabled.Len() > 0 {
describeEnabledTypes = fmt.Sprintf("enabled types: %s", strings.Join(sets.List(enabled), ", "))
}
describeDisabledTypes := "no types disabled"
if disabled.Len() > 0 {
describeDisabledTypes = fmt.Sprintf("disabled types: %s", strings.Join(sets.List(disabled), ", "))
}
logger.Info("configuring CloudWatch logging for cluster %q in %q (%s & %s)",
clusterConfig.Metadata.Name, clusterConfig.Metadata.Region, describeEnabledTypes, describeDisabledTypes,
)
}
// ClusterTasksForNodeGroups returns all tasks dependent on node groups
func (c *ClusterProvider) ClusterTasksForNodeGroups(cfg *api.ClusterConfig, installNeuronDevicePluginParam, installNvidiaDevicePluginParam bool) *tasks.TaskTree {
tasks := &tasks.TaskTree{
Parallel: true,
IsSubTask: false,
}
var clusterRequiresNeuronDevicePlugin, clusterRequiresNvidiaDevicePlugin, efaEnabled bool
for _, ng := range cfg.NodeGroups {
clusterRequiresNeuronDevicePlugin = clusterRequiresNeuronDevicePlugin ||
api.HasInstanceType(ng, instanceutils.IsNeuronInstanceType)
// Only AL2 requires the NVIDIA device plugin
clusterRequiresNvidiaDevicePlugin = clusterRequiresNvidiaDevicePlugin ||
(api.HasInstanceType(ng, instanceutils.IsNvidiaInstanceType) &&
ng.GetAMIFamily() == api.NodeImageFamilyAmazonLinux2)
efaEnabled = efaEnabled || api.IsEnabled(ng.EFAEnabled)
}
for _, ng := range cfg.ManagedNodeGroups {
clusterRequiresNeuronDevicePlugin = clusterRequiresNeuronDevicePlugin ||
api.HasInstanceTypeManaged(ng, instanceutils.IsNeuronInstanceType)
// Only AL2 requires the NVIDIA device plugin
clusterRequiresNvidiaDevicePlugin = clusterRequiresNvidiaDevicePlugin ||
(api.HasInstanceTypeManaged(ng, instanceutils.IsNvidiaInstanceType) &&
ng.GetAMIFamily() == api.NodeImageFamilyAmazonLinux2)
efaEnabled = efaEnabled || api.IsEnabled(ng.EFAEnabled)
}
if clusterRequiresNeuronDevicePlugin {
if installNeuronDevicePluginParam {
tasks.Append(newNeuronDevicePluginTask(c, cfg))
} else {
logger.Info("as you are using the EKS-Optimized Accelerated AMI with an inf1 instance type, you will need to install the AWS Neuron Kubernetes device plugin.")
logger.Info("\t see the following page for instructions: https://awsdocs-neuron.readthedocs-hosted.com/en/latest/neuron-deploy/tutorials/tutorial-k8s.html#tutorial-k8s-env-setup-for-neuron")
}
}
if clusterRequiresNvidiaDevicePlugin {
if installNvidiaDevicePluginParam {
tasks.Append(newNvidiaDevicePluginTask(c, cfg))
} else {
logger.Info("as you are using a GPU optimized instance type you will need to install NVIDIA Kubernetes device plugin.")
logger.Info("\t see the following page for instructions: https://github.com/NVIDIA/k8s-device-plugin")
}
}
var ngs []*api.NodeGroupBase
for _, ng := range cfg.NodeGroups {
ngs = append(ngs, ng.NodeGroupBase)
}
for _, ng := range cfg.ManagedNodeGroups {
ngs = append(ngs, ng.NodeGroupBase)
}
for _, ng := range ngs {
if len(ng.ASGSuspendProcesses) > 0 {
tasks.Append(newSuspendProcesses(c, cfg, ng))
}
}
if efaEnabled {
tasks.Append(newEFADevicePluginTask(c, cfg))
}
return tasks
}
func (c *ClusterProvider) appendCreateTasksForIAMServiceAccounts(ctx context.Context, cfg *api.ClusterConfig, tasks *tasks.TaskTree) {
// we don't have all the information to construct full iamoidc.OpenIDConnectManager now,
// instead we just create a reference that gets updated when first task runs, and gets
// used by this would be more elegant if it was all done via CloudFormation and we didn't
// have to put wires across all the things like this; this whole function is needed because
// we cannot manage certain EKS features with CloudFormation
oidcPlaceholder := &iamoidc.OpenIDConnectManager{}
tasks.Append(&clusterConfigTask{
info: "associate IAM OIDC provider",
spec: cfg,
call: func(cfg *api.ClusterConfig) error {
oidc, err := c.NewOpenIDConnectManager(ctx, cfg)
if err != nil {
return err
}
if err := oidc.CreateProvider(ctx); err != nil {
return err
}
*oidcPlaceholder = *oidc
return nil
},
})
clientSet := &kubernetes.CallbackClientSet{
Callback: func() (kubernetes.Interface, error) {
return c.NewStdClientSet(cfg)
},
}
// as this is non-CloudFormation context, we need to construct a new stackManager,
// given a clientSet getter and OpenIDConnectManager reference we can build out
// the list of tasks for each of the service accounts that need to be created
newTasks := c.NewStackManager(cfg).NewTasksToCreateIAMServiceAccounts(
api.IAMServiceAccountsWithImplicitServiceAccounts(cfg),
oidcPlaceholder,
clientSet,
)
newTasks.IsSubTask = true
tasks.Append(newTasks)
tasks.Append(&restartDaemonsetTask{
namespace: "kube-system",
name: "aws-node",
clusterProvider: c,
spec: cfg,
})
}