-
Notifications
You must be signed in to change notification settings - Fork 42
/
capsule_request.go
288 lines (234 loc) · 6.87 KB
/
capsule_request.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
package pipeline
import (
"context"
"github.com/rigdev/rig-go-api/operator/api/v1/pipeline"
"github.com/rigdev/rig/pkg/api/v1alpha2"
"github.com/rigdev/rig/pkg/obj"
"github.com/rigdev/rig/pkg/roclient"
"golang.org/x/exp/maps"
v1 "k8s.io/api/core/v1"
kerrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client"
)
const (
LabelOwnedByCapsule = "rig.dev/owned-by-capsule"
)
// CapsuleRequest contains a single reconcile request for a given capsule.
// It contains both the set of existing kubernetes objects owned by the capsule
// and the set of objects recorded to be applied after all steps in the pipeline has been executed (called 'new' objects).
// The set of existing objects cannot be modified (as the interface does not allow for writing to Kubernetes)
// but there are both read and write access to the set of new objects.
//
//nolint:lll
type CapsuleRequest interface {
Request
// Capsule returns a deepcopy of the capsule object being reconciled.
Capsule() *v1alpha2.Capsule
// MarkUsedObject marks the object as used by the Capsule which will be present in the Capsule's Status
MarkUsedObject(res v1alpha2.UsedResource) error
}
type capsuleRequest struct {
RequestBase
capsule *v1alpha2.Capsule
usedResources []v1alpha2.UsedResource
}
type CapsuleRequestOption interface {
apply(*capsuleRequest)
}
type withDryRun struct{}
func (withDryRun) apply(r *capsuleRequest) { r.dryRun = true }
func WithDryRun() CapsuleRequestOption {
return withDryRun{}
}
type withAdditionalResources struct {
resources []*pipeline.Object
}
func (w withAdditionalResources) apply(r *capsuleRequest) {
reader := roclient.NewReader(r.scheme)
for _, o := range w.resources {
proposal, err := obj.DecodeAny([]byte(o.Content), r.scheme)
if err != nil {
continue
}
if err := reader.AddObject(proposal); err != nil {
continue
}
}
r.reader = roclient.NewLayeredReader(r.reader, reader)
}
func WithAdditionalResources(resources []*pipeline.Object) CapsuleRequestOption {
return withAdditionalResources{resources}
}
type withForce struct{}
func (withForce) apply(r *capsuleRequest) { r.force = true }
func WithForce() CapsuleRequestOption {
return withForce{}
}
func NewCapsuleRequest(p *CapsulePipeline, capsule *v1alpha2.Capsule, opts ...CapsuleRequestOption) CapsuleRequest {
return newCapsuleRequest(p, capsule, opts...)
}
func newCapsuleRequest(p *CapsulePipeline, capsule *v1alpha2.Capsule, opts ...CapsuleRequestOption) *capsuleRequest {
r := &capsuleRequest{
RequestBase: NewRequestBase(p.client, p.reader, p.config, p.scheme, p.logger, nil, capsule),
capsule: capsule,
}
// TODO This is an ugly hack. Find a better solution
// Good rule of thumb: If the Rust compiler would throw a fit, do it differently.
r.Strategies = r
for _, opt := range opts {
opt.apply(r)
}
if capsule.Status != nil {
r.observedGeneration = capsule.Status.ObservedGeneration
}
r.logger.Info("created capsule request",
"generation", capsule.Generation,
"observed_generation", r.observedGeneration,
"resource_version", capsule.ResourceVersion,
"dry_run", r.dryRun,
"force", r.force,
)
return r
}
func (r *capsuleRequest) Capsule() *v1alpha2.Capsule {
return r.capsule.DeepCopy()
}
func (r *capsuleRequest) GetKey(obj client.Object) (ObjectKey, error) {
if obj.GetName() == "" {
obj.SetName(r.capsule.Name)
}
obj.SetNamespace(r.capsule.Namespace)
gvk, err := getGVK(obj, r.scheme)
if err != nil {
r.logger.Error(err, "invalid object type")
return ObjectKey{}, err
}
return r.namedObjectKey(obj.GetName(), gvk), nil
}
func (r *capsuleRequest) namedObjectKey(name string, gvk schema.GroupVersionKind) ObjectKey {
return ObjectKey{
ObjectKey: types.NamespacedName{
Name: name,
Namespace: r.capsule.Namespace,
},
GroupVersionKind: gvk,
}
}
func (r *capsuleRequest) MarkUsedObject(res v1alpha2.UsedResource) error {
r.usedResources = append(r.usedResources, res)
return nil
}
func (r *capsuleRequest) LoadExistingObjects(ctx context.Context) error {
s := r.capsule.Status
if s == nil {
return nil
}
for _, o := range s.OwnedResources {
if o.Ref == nil {
continue
}
gk := schema.GroupKind{
Kind: o.Ref.Kind,
}
if o.Ref.APIGroup != nil {
gk.Group = *o.Ref.APIGroup
}
gvk, err := LookupGVK(gk)
if err != nil {
return err
}
ro, err := r.scheme.New(gvk)
if err != nil {
return err
}
co, ok := ro.(client.Object)
if !ok {
continue
}
co.SetName(o.Ref.Name)
co.SetNamespace(r.capsule.Namespace)
co.GetObjectKind().SetGroupVersionKind(gvk)
if err := r.reader.Get(ctx, client.ObjectKeyFromObject(co), co); kerrors.IsNotFound(err) {
// Okay it doesn't exist, ignore the resource.
continue
} else if err != nil {
return err
}
key := r.namedObjectKey(o.Ref.Name, gvk)
r.existingObjects[key] = co
}
return nil
}
func (r *capsuleRequest) Prepare() {
r.usedResources = nil
}
func (r *capsuleRequest) UpdateStatusWithChanges(
ctx context.Context,
changes map[ObjectKey]*Change,
generation int64,
) error {
capsuleCopy := r.capsule.DeepCopy()
status := &v1alpha2.CapsuleStatus{
ObservedGeneration: generation,
}
for _, key := range sortedKeys(maps.Keys(changes)) {
key := key
change := changes[key]
or := v1alpha2.OwnedResource{
Ref: &v1.TypedLocalObjectReference{
APIGroup: &key.Group,
Kind: key.Kind,
Name: key.Name,
},
State: string(change.state),
}
switch change.state {
case ResourceStateCreated, ResourceStateUpdated, ResourceStateDeleted:
if !change.applied {
or.State = string(ResourceStateChangePending)
}
}
if change.err != nil {
or.Message = change.err.Error()
}
status.OwnedResources = append(status.OwnedResources, or)
}
status.UsedResources = r.usedResources
capsuleCopy.Status = status
if err := r.client.Status().Update(ctx, capsuleCopy); err != nil {
return err
}
r.observedGeneration = generation
r.capsule.Status = status
r.capsule.SetResourceVersion(r.capsule.GetResourceVersion())
return nil
}
func (r *capsuleRequest) UpdateStatusWithError(ctx context.Context, err error) error {
capsuleCopy := r.capsule.DeepCopy()
status := &v1alpha2.CapsuleStatus{
ObservedGeneration: r.observedGeneration,
Errors: []string{err.Error()},
}
if capsuleCopy.Status != nil {
status.OwnedResources = capsuleCopy.Status.OwnedResources
status.UsedResources = capsuleCopy.Status.UsedResources
}
capsuleCopy.Status = status
if err := r.client.Status().Update(ctx, capsuleCopy); err != nil {
return err
}
r.capsule.Status = status
r.capsule.SetResourceVersion(capsuleCopy.GetResourceVersion())
return nil
}
func (*capsuleRequest) OwnedLabel() string {
return LabelOwnedByCapsule
}
func (r *capsuleRequest) GetBase() *RequestBase {
return &r.RequestBase
}
func (r *capsuleRequest) GetRequest() CapsuleRequest {
return r
}