-
Notifications
You must be signed in to change notification settings - Fork 362
/
controller.go
215 lines (187 loc) · 8.79 KB
/
controller.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
/*
Copyright 2021 The Crossplane 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 identityproviderconfig
import (
"context"
"time"
"github.com/aws/aws-sdk-go-v2/aws"
awseks "github.com/aws/aws-sdk-go-v2/service/eks"
"github.com/aws/aws-sdk-go-v2/service/eks/types"
"github.com/google/go-cmp/cmp"
"github.com/pkg/errors"
"k8s.io/client-go/util/workqueue"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller"
xpv1 "github.com/crossplane/crossplane-runtime/apis/common/v1"
"github.com/crossplane/crossplane-runtime/pkg/event"
"github.com/crossplane/crossplane-runtime/pkg/logging"
"github.com/crossplane/crossplane-runtime/pkg/meta"
"github.com/crossplane/crossplane-runtime/pkg/ratelimiter"
"github.com/crossplane/crossplane-runtime/pkg/reconciler/managed"
"github.com/crossplane/crossplane-runtime/pkg/resource"
"github.com/crossplane/provider-aws/apis/eks/manualv1alpha1"
awsclient "github.com/crossplane/provider-aws/pkg/clients"
"github.com/crossplane/provider-aws/pkg/clients/eks"
)
const (
errNotEKSIdentityProviderConfig = "managed resource is not an EKS Identity Provider Config custom resource"
errKubeUpdateFailed = "cannot update EKS identity provider config custom resource"
errCreateFailed = "cannot associate EKS identity provider config"
errDeleteFailed = "cannot disassociate EKS identity provider config"
errDescribeFailed = "cannot describe EKS identity provider config"
errAddTagsFailed = "cannot add tags to EKS identity provider config"
)
// SetupIdentityProviderConfig adds a controller that reconciles IdentityProviderConfigs.
func SetupIdentityProviderConfig(mgr ctrl.Manager, l logging.Logger, rl workqueue.RateLimiter, poll time.Duration) error {
name := managed.ControllerName(manualv1alpha1.IdentityProviderConfigKind)
return ctrl.NewControllerManagedBy(mgr).
Named(name).
WithOptions(controller.Options{
RateLimiter: ratelimiter.NewController(rl),
}).
For(&manualv1alpha1.IdentityProviderConfig{}).
Complete(managed.NewReconciler(mgr,
resource.ManagedKind(manualv1alpha1.IdentityProviderConfigGroupVersionKind),
managed.WithExternalConnecter(&connector{kube: mgr.GetClient(), newEKSClientFn: eks.NewEKSClient}),
managed.WithInitializers(managed.NewDefaultProviderConfig(mgr.GetClient()), managed.NewNameAsExternalName(mgr.GetClient()), &tagger{kube: mgr.GetClient()}),
managed.WithReferenceResolver(managed.NewAPISimpleReferenceResolver(mgr.GetClient())),
managed.WithPollInterval(poll),
managed.WithLogger(l.WithValues("controller", name)),
managed.WithRecorder(event.NewAPIRecorder(mgr.GetEventRecorderFor(name)))))
}
type connector struct {
kube client.Client
newEKSClientFn func(config aws.Config) eks.Client
}
func (c *connector) Connect(ctx context.Context, mg resource.Managed) (managed.ExternalClient, error) {
cr, ok := mg.(*manualv1alpha1.IdentityProviderConfig)
if !ok {
return nil, errors.New(errNotEKSIdentityProviderConfig)
}
cfg, err := awsclient.GetConfig(ctx, c.kube, mg, cr.Spec.ForProvider.Region)
if err != nil {
return nil, err
}
return &external{client: c.newEKSClientFn(*cfg), kube: c.kube}, nil
}
type external struct {
client eks.Client
kube client.Client
}
func (e *external) Observe(ctx context.Context, mg resource.Managed) (managed.ExternalObservation, error) {
cr, ok := mg.(*manualv1alpha1.IdentityProviderConfig)
if !ok {
return managed.ExternalObservation{}, errors.New(errNotEKSIdentityProviderConfig)
}
rsp, err := e.client.DescribeIdentityProviderConfig(ctx, &awseks.DescribeIdentityProviderConfigInput{
IdentityProviderConfig: &types.IdentityProviderConfig{
Name: aws.String(meta.GetExternalName(cr)),
Type: aws.String(string(manualv1alpha1.OidcIdentityProviderConfigType)),
},
ClusterName: &cr.Spec.ForProvider.ClusterName})
if err != nil {
return managed.ExternalObservation{}, awsclient.Wrap(resource.Ignore(eks.IsErrorNotFound, err), errDescribeFailed)
}
current := cr.Spec.ForProvider.DeepCopy()
eks.LateInitializeIdentityProviderConfig(&cr.Spec.ForProvider, rsp.IdentityProviderConfig)
// Generate observation
cr.Status.AtProvider = eks.GenerateIdentityProviderConfigObservation(rsp.IdentityProviderConfig)
// Any of the statuses we don't explicitly address should be considered as
// the identity provider config being unavailable.
switch cr.Status.AtProvider.Status { // nolint:exhaustive
case manualv1alpha1.IdentityProviderConfigStatusActive:
cr.Status.SetConditions(xpv1.Available())
case manualv1alpha1.IdentityProviderConfigStatusCreating:
cr.Status.SetConditions(xpv1.Creating())
case manualv1alpha1.IdentityProviderConfigStatusDeleting:
cr.Status.SetConditions(xpv1.Deleting())
default:
cr.Status.SetConditions(xpv1.Unavailable())
}
return managed.ExternalObservation{
ResourceExists: true,
ResourceUpToDate: eks.IsIdentityProviderConfigUpToDate(&cr.Spec.ForProvider, rsp.IdentityProviderConfig),
ResourceLateInitialized: !cmp.Equal(current, &cr.Spec.ForProvider),
}, nil
}
func (e *external) Create(ctx context.Context, mg resource.Managed) (managed.ExternalCreation, error) {
cr, ok := mg.(*manualv1alpha1.IdentityProviderConfig)
if !ok {
return managed.ExternalCreation{}, errors.New(errNotEKSIdentityProviderConfig)
}
cr.SetConditions(xpv1.Creating())
if cr.Status.AtProvider.Status == manualv1alpha1.IdentityProviderConfigStatusCreating {
return managed.ExternalCreation{}, nil
}
_, err := e.client.AssociateIdentityProviderConfig(ctx, eks.GenerateAssociateIdentityProviderConfigInput(meta.GetExternalName(cr), &cr.Spec.ForProvider))
return managed.ExternalCreation{}, awsclient.Wrap(err, errCreateFailed)
}
func (e *external) Update(ctx context.Context, mg resource.Managed) (managed.ExternalUpdate, error) {
cr, ok := mg.(*manualv1alpha1.IdentityProviderConfig)
if !ok {
return managed.ExternalUpdate{}, errors.New(errNotEKSIdentityProviderConfig)
}
if cr.Status.AtProvider.Status == manualv1alpha1.IdentityProviderConfigStatusCreating {
return managed.ExternalUpdate{}, nil
}
rsp, err := e.client.DescribeIdentityProviderConfig(ctx, &awseks.DescribeIdentityProviderConfigInput{
IdentityProviderConfig: &types.IdentityProviderConfig{
Name: aws.String(meta.GetExternalName(cr)),
Type: aws.String(string(manualv1alpha1.OidcIdentityProviderConfigType)),
},
ClusterName: &cr.Spec.ForProvider.ClusterName})
if err != nil || rsp.IdentityProviderConfig == nil || rsp.IdentityProviderConfig.Oidc == nil {
return managed.ExternalUpdate{}, awsclient.Wrap(err, errDescribeFailed)
}
add, remove := awsclient.DiffTags(cr.Spec.ForProvider.Tags, rsp.IdentityProviderConfig.Oidc.Tags)
if len(remove) != 0 {
if _, err := e.client.UntagResource(ctx, &awseks.UntagResourceInput{ResourceArn: rsp.IdentityProviderConfig.Oidc.IdentityProviderConfigArn, TagKeys: remove}); err != nil {
return managed.ExternalUpdate{}, awsclient.Wrap(resource.Ignore(eks.IsErrorInUse, err), errAddTagsFailed)
}
}
if len(add) != 0 {
if _, err := e.client.TagResource(ctx, &awseks.TagResourceInput{ResourceArn: rsp.IdentityProviderConfig.Oidc.IdentityProviderConfigArn, Tags: add}); err != nil {
return managed.ExternalUpdate{}, awsclient.Wrap(resource.Ignore(eks.IsErrorInUse, err), errAddTagsFailed)
}
}
return managed.ExternalUpdate{}, nil
}
func (e *external) Delete(ctx context.Context, mg resource.Managed) error {
cr, ok := mg.(*manualv1alpha1.IdentityProviderConfig)
if !ok {
return errors.New(errNotEKSIdentityProviderConfig)
}
cr.SetConditions(xpv1.Deleting())
if cr.Status.AtProvider.Status == manualv1alpha1.IdentityProviderConfigStatusDeleting {
return nil
}
_, err := e.client.DisassociateIdentityProviderConfig(ctx, eks.GenerateDisassociateIdentityProviderConfigInput(meta.GetExternalName(cr), cr.Spec.ForProvider.ClusterName))
return awsclient.Wrap(resource.Ignore(eks.IsErrorNotFound, err), errDeleteFailed)
}
type tagger struct {
kube client.Client
}
func (t *tagger) Initialize(ctx context.Context, mg resource.Managed) error {
cr, ok := mg.(*manualv1alpha1.IdentityProviderConfig)
if !ok {
return errors.New(errNotEKSIdentityProviderConfig)
}
if cr.Spec.ForProvider.Tags == nil {
cr.Spec.ForProvider.Tags = map[string]string{}
}
for k, v := range resource.GetExternalTags(mg) {
cr.Spec.ForProvider.Tags[k] = v
}
return errors.Wrap(t.kube.Update(ctx, cr), errKubeUpdateFailed)
}