forked from kyma-project/kyma
-
Notifications
You must be signed in to change notification settings - Fork 0
/
binding_usage_service.go
126 lines (102 loc) · 3.95 KB
/
binding_usage_service.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
package servicecatalog
import (
"fmt"
"strings"
api "github.com/kyma-project/kyma/components/binding-usage-controller/pkg/apis/servicecatalog/v1alpha1"
"github.com/kyma-project/kyma/components/binding-usage-controller/pkg/client/clientset/versioned/typed/servicecatalog/v1alpha1"
"github.com/pkg/errors"
"k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/tools/cache"
)
type serviceBindingUsageService struct {
client v1alpha1.ServicecatalogV1alpha1Interface
informer cache.SharedIndexInformer
bindingService serviceBindingOperations
}
func newServiceBindingUsageService(client v1alpha1.ServicecatalogV1alpha1Interface, informer cache.SharedIndexInformer, service serviceBindingOperations) *serviceBindingUsageService {
svc := &serviceBindingUsageService{
client: client,
informer: informer,
bindingService: service,
}
informer.AddIndexers(cache.Indexers{
"usedBy": func(obj interface{}) ([]string, error) {
serviceBindingUsage, err := svc.toServiceBindingUsage(obj)
if err != nil {
return nil, errors.New("while indexing by `usedBy`")
}
key := fmt.Sprintf("%s/%s/%s", serviceBindingUsage.Namespace, strings.ToLower(serviceBindingUsage.Spec.UsedBy.Kind), serviceBindingUsage.Spec.UsedBy.Name)
return []string{key}, nil
},
})
return svc
}
func (f *serviceBindingUsageService) Create(env string, sb *api.ServiceBindingUsage) (*api.ServiceBindingUsage, error) {
return f.client.ServiceBindingUsages(env).Create(sb)
}
func (f *serviceBindingUsageService) Delete(env string, name string) error {
return f.client.ServiceBindingUsages(env).Delete(name, &v1.DeleteOptions{})
}
func (f *serviceBindingUsageService) Find(env string, name string) (*api.ServiceBindingUsage, error) {
key := fmt.Sprintf("%s/%s", env, name)
item, exists, err := f.informer.GetStore().GetByKey(key)
if err != nil || !exists {
return nil, err
}
return f.toServiceBindingUsage(item)
}
func (f *serviceBindingUsageService) List(env string) ([]*api.ServiceBindingUsage, error) {
items, err := f.informer.GetIndexer().ByIndex("namespace", env)
if err != nil {
return nil, err
}
return f.toServiceBindingUsages(items)
}
func (f *serviceBindingUsageService) ListForServiceInstance(env string, instanceName string) ([]*api.ServiceBindingUsage, error) {
bindings, err := f.bindingService.ListForServiceInstance(env, instanceName)
if err != nil {
return nil, errors.Wrapf(err, "while getting ServiceBindings for instance [env: %s, name: %s]", env, instanceName)
}
bindingNames := make(map[string]struct{})
for _, binding := range bindings {
bindingNames[binding.Name] = struct{}{}
}
usages, err := f.List(env)
if err != nil {
return nil, errors.Wrapf(err, "while getting all ServiceBindingUsages from env: %s", env)
}
filteredUsages := make([]*api.ServiceBindingUsage, 0)
for _, usage := range usages {
if _, ex := bindingNames[usage.Spec.ServiceBindingRef.Name]; ex {
filteredUsages = append(filteredUsages, usage)
}
}
return filteredUsages, nil
}
func (f *serviceBindingUsageService) ListForDeployment(environment, kind, deploymentName string) ([]*api.ServiceBindingUsage, error) {
key := fmt.Sprintf("%s/%s/%s", environment, strings.ToLower(kind), deploymentName)
indexer := f.informer.GetIndexer()
items, err := indexer.ByIndex("usedBy", key)
if err != nil {
return nil, err
}
return f.toServiceBindingUsages(items)
}
func (f *serviceBindingUsageService) toServiceBindingUsages(items []interface{}) ([]*api.ServiceBindingUsage, error) {
var usages []*api.ServiceBindingUsage
for _, item := range items {
usage, err := f.toServiceBindingUsage(item)
if err != nil {
return nil, err
}
usages = append(usages, usage)
}
return usages, nil
}
func (f *serviceBindingUsageService) toServiceBindingUsage(item interface{}) (*api.ServiceBindingUsage, error) {
usage, ok := item.(*api.ServiceBindingUsage)
if !ok {
return nil, fmt.Errorf("incorrect item type: %T, should be: *ServiceBindingUsage", item)
}
return usage, nil
}