/
informer.go
52 lines (44 loc) · 1.14 KB
/
informer.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
package internal
import (
"context"
"reflect"
"github.com/go-logr/logr"
)
type startable interface {
Start(stopCh <-chan struct{})
}
type informer interface {
startable
WaitForCacheSync(stopCh <-chan struct{}) map[reflect.Type]bool
}
func StartInformers[T startable](ctx context.Context, informers ...T) {
for i := range informers {
informers[i].Start(ctx.Done())
}
}
func WaitForCacheSync(ctx context.Context, logger logr.Logger, informers ...informer) bool {
ret := true
for i := range informers {
for t, result := range informers[i].WaitForCacheSync(ctx.Done()) {
if !result {
logger.Error(nil, "failed to wait for cache sync", "type", t)
}
ret = ret && result
}
}
return ret
}
func CheckCacheSync[T comparable](logger logr.Logger, status map[T]bool) bool {
ret := true
for t, result := range status {
if !result {
logger.Error(nil, "failed to wait for cache sync", "type", t)
}
ret = ret && result
}
return ret
}
func StartInformersAndWaitForCacheSync(ctx context.Context, logger logr.Logger, informers ...informer) bool {
StartInformers(ctx, informers...)
return WaitForCacheSync(ctx, logger, informers...)
}