grafana/pkg/services/secrets/kvstore/cache.go
Guilherme Caulada d90600c454
Secrets: Add fallback to secrets kvstore plugin (#54056)
* Add fallback to secrets kvstore plugin

* Fix linter issues

* Fix linter issues

* Add deletion error to bool to fake secrets kvstore

* Add fallback to fake secrets kvstore

* Fix fake secrets kvstore fallback setter

* Use Key on Item message for secrets manager protobuf

* Add clarifying comment about fallback
2022-08-23 12:21:54 -03:00

95 lines
2.5 KiB
Go

package kvstore
import (
"context"
"fmt"
"time"
"github.com/grafana/grafana/pkg/infra/localcache"
"github.com/grafana/grafana/pkg/infra/log"
)
type CachedKVStore struct {
log log.Logger
cache *localcache.CacheService
store SecretsKVStore
}
func NewCachedKVStore(store SecretsKVStore, defaultExpiration time.Duration, cleanupInterval time.Duration) *CachedKVStore {
return &CachedKVStore{
log: log.New("secrets.kvstore"),
cache: localcache.New(defaultExpiration, cleanupInterval),
store: store,
}
}
func (kv *CachedKVStore) Get(ctx context.Context, orgId int64, namespace string, typ string) (string, bool, error) {
key := fmt.Sprint(orgId, namespace, typ)
if value, ok := kv.cache.Get(key); ok {
kv.log.Debug("got secret value from cache", "orgId", orgId, "type", typ, "namespace", namespace)
return fmt.Sprint(value), true, nil
}
value, ok, err := kv.store.Get(ctx, orgId, namespace, typ)
if err != nil {
return "", false, err
}
if ok {
kv.cache.SetDefault(key, value)
}
return value, ok, err
}
func (kv *CachedKVStore) Set(ctx context.Context, orgId int64, namespace string, typ string, value string) error {
err := kv.store.Set(ctx, orgId, namespace, typ, value)
if err != nil {
return err
}
key := fmt.Sprint(orgId, namespace, typ)
kv.cache.SetDefault(key, value)
return nil
}
func (kv *CachedKVStore) Del(ctx context.Context, orgId int64, namespace string, typ string) error {
err := kv.store.Del(ctx, orgId, namespace, typ)
if err != nil {
return err
}
key := fmt.Sprint(orgId, namespace, typ)
kv.cache.Delete(key)
return nil
}
func (kv *CachedKVStore) Keys(ctx context.Context, orgId int64, namespace string, typ string) ([]Key, error) {
return kv.store.Keys(ctx, orgId, namespace, typ)
}
func (kv *CachedKVStore) Rename(ctx context.Context, orgId int64, namespace string, typ string, newNamespace string) error {
err := kv.store.Rename(ctx, orgId, namespace, typ, newNamespace)
if err != nil {
return err
}
key := fmt.Sprint(orgId, namespace, typ)
if value, ok := kv.cache.Get(key); ok {
newKey := fmt.Sprint(orgId, newNamespace, typ)
kv.cache.SetDefault(newKey, value)
kv.cache.Delete(key)
}
return nil
}
func (kv *CachedKVStore) GetAll(ctx context.Context) ([]Item, error) {
return kv.store.GetAll(ctx)
}
func (kv *CachedKVStore) Fallback() SecretsKVStore {
return kv.store.Fallback()
}
func (kv *CachedKVStore) SetFallback(store SecretsKVStore) error {
return kv.store.SetFallback(store)
}
func (kv *CachedKVStore) GetUnwrappedStore() SecretsKVStore {
return kv.store
}