-
Notifications
You must be signed in to change notification settings - Fork 473
/
state_reconciler.go
88 lines (73 loc) · 2.96 KB
/
state_reconciler.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
// Copyright (c) 2020 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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 worker
import (
"context"
"fmt"
gardencorev1beta1 "github.com/gardener/gardener/pkg/apis/core/v1beta1"
gardencorev1beta1helper "github.com/gardener/gardener/pkg/apis/core/v1beta1/helper"
extensionsv1alpha1 "github.com/gardener/gardener/pkg/apis/extensions/v1alpha1"
errorutils "github.com/gardener/gardener/pkg/controllerutils/reconciler"
apierrors "k8s.io/apimachinery/pkg/api/errors"
"sigs.k8s.io/controller-runtime/pkg/client"
logf "sigs.k8s.io/controller-runtime/pkg/log"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
"sigs.k8s.io/controller-runtime/pkg/runtime/inject"
)
type stateReconciler struct {
actuator StateActuator
client client.Client
}
// NewStateReconciler creates a new reconcile.Reconciler that reconciles
// Worker's State resources of Gardener's `extensions.gardener.cloud` API group.
func NewStateReconciler(actuator StateActuator) reconcile.Reconciler {
return &stateReconciler{
actuator: actuator,
}
}
func (r *stateReconciler) InjectFunc(f inject.Func) error {
return f(r.actuator)
}
func (r *stateReconciler) InjectClient(client client.Client) error {
r.client = client
return nil
}
func (r *stateReconciler) Reconcile(ctx context.Context, request reconcile.Request) (reconcile.Result, error) {
log := logf.FromContext(ctx)
worker := &extensionsv1alpha1.Worker{}
if err := r.client.Get(ctx, request.NamespacedName, worker); err != nil {
if apierrors.IsNotFound(err) {
log.V(1).Info("Object is gone, stop reconciling")
return reconcile.Result{}, nil
}
return reconcile.Result{}, fmt.Errorf("error retrieving object from store: %w", err)
}
// Deletion flow
if worker.DeletionTimestamp != nil {
// Nothing to do
return reconcile.Result{}, nil
}
// Reconcile flow
operationType := gardencorev1beta1helper.ComputeOperationType(worker.ObjectMeta, worker.Status.LastOperation)
if operationType != gardencorev1beta1.LastOperationTypeReconcile {
return reconcile.Result{Requeue: true}, nil
} else if isWorkerMigrated(worker) {
return reconcile.Result{}, nil
}
if err := r.actuator.Reconcile(ctx, log, worker); err != nil {
return errorutils.ReconcileErr(fmt.Errorf("error updating Worker state: %w", err))
}
log.Info("Successfully updated Worker state")
return reconcile.Result{}, nil
}