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server: Remove Quota direct dependency on EtcdServer

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This commit is contained in:
Marek Siarkowicz 2021-07-21 16:58:42 +02:00
parent 44b8ae145b
commit 23b742cfd3
3 changed files with 21 additions and 19 deletions
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4
server/etcdserver/api/v3rpc/quota.go
View File

@ -52,7 +52,7 @@ func (qa *quotaAlarmer) check(ctx context.Context, r interface{}) error {
func NewQuotaKVServer(s *etcdserver.EtcdServer) pb.KVServer {
return &quotaKVServer{
NewKVServer(s),
quotaAlarmer{etcdserver.NewBackendQuota(s, "kv"), s, s.ID()},
quotaAlarmer{etcdserver.NewBackendQuota(s.Cfg, s.Backend(), "kv"), s, s.ID()},
}
}
@ -85,6 +85,6 @@ func (s *quotaLeaseServer) LeaseGrant(ctx context.Context, cr *pb.LeaseGrantRequ
func NewQuotaLeaseServer(s *etcdserver.EtcdServer) pb.LeaseServer {
return &quotaLeaseServer{
NewLeaseServer(s),
quotaAlarmer{etcdserver.NewBackendQuota(s, "lease"), s, s.ID()},
quotaAlarmer{etcdserver.NewBackendQuota(s.Cfg, s.Backend(), "lease"), s, s.ID()},
}
}

2
server/etcdserver/apply.go
View File

@ -953,7 +953,7 @@ type quotaApplierV3 struct {
}
func newQuotaApplierV3(s *EtcdServer, app applierV3) applierV3 {
return &quotaApplierV3{app, NewBackendQuota(s, "v3-applier")}
return &quotaApplierV3{app, NewBackendQuota(s.Cfg, s.Backend(), "v3-applier")}
}
func (a *quotaApplierV3) Put(ctx context.Context, txn mvcc.TxnWrite, p *pb.PutRequest) (*pb.PutResponse, *traceutil.Trace, error) {

34
server/etcdserver/quota.go
View File

@ -18,6 +18,8 @@ import (
"sync"
pb "go.etcd.io/etcd/api/v3/etcdserverpb"
"go.etcd.io/etcd/server/v3/config"
"go.etcd.io/etcd/server/v3/storage/backend"
humanize "github.com/dustin/go-humanize"
"go.uber.org/zap"
@ -51,7 +53,7 @@ func (*passthroughQuota) Cost(interface{}) int { return 0 }
func (*passthroughQuota) Remaining() int64 { return 1 }
type backendQuota struct {
s *EtcdServer
be backend.Backend
maxBackendBytes int64
}
@ -71,23 +73,23 @@ var (
)
// NewBackendQuota creates a quota layer with the given storage limit.
func NewBackendQuota(s *EtcdServer, name string) Quota {
lg := s.Logger()
quotaBackendBytes.Set(float64(s.Cfg.QuotaBackendBytes))
func NewBackendQuota(cfg config.ServerConfig, be backend.Backend, name string) Quota {
lg := cfg.Logger
quotaBackendBytes.Set(float64(cfg.QuotaBackendBytes))
if s.Cfg.QuotaBackendBytes < 0 {
if cfg.QuotaBackendBytes < 0 {
// disable quotas if negative
quotaLogOnce.Do(func() {
lg.Info(
"disabled backend quota",
zap.String("quota-name", name),
zap.Int64("quota-size-bytes", s.Cfg.QuotaBackendBytes),
zap.Int64("quota-size-bytes", cfg.QuotaBackendBytes),
)
})
return &passthroughQuota{}
}
if s.Cfg.QuotaBackendBytes == 0 {
if cfg.QuotaBackendBytes == 0 {
// use default size if no quota size given
quotaLogOnce.Do(func() {
if lg != nil {
@ -100,16 +102,16 @@ func NewBackendQuota(s *EtcdServer, name string) Quota {
}
})
quotaBackendBytes.Set(float64(DefaultQuotaBytes))
return &backendQuota{s, DefaultQuotaBytes}
return &backendQuota{be, DefaultQuotaBytes}
}
quotaLogOnce.Do(func() {
if s.Cfg.QuotaBackendBytes > MaxQuotaBytes {
if cfg.QuotaBackendBytes > MaxQuotaBytes {
lg.Warn(
"quota exceeds the maximum value",
zap.String("quota-name", name),
zap.Int64("quota-size-bytes", s.Cfg.QuotaBackendBytes),
zap.String("quota-size", humanize.Bytes(uint64(s.Cfg.QuotaBackendBytes))),
zap.Int64("quota-size-bytes", cfg.QuotaBackendBytes),
zap.String("quota-size", humanize.Bytes(uint64(cfg.QuotaBackendBytes))),
zap.Int64("quota-maximum-size-bytes", MaxQuotaBytes),
zap.String("quota-maximum-size", maxQuotaSize),
)
@ -117,16 +119,16 @@ func NewBackendQuota(s *EtcdServer, name string) Quota {
lg.Info(
"enabled backend quota",
zap.String("quota-name", name),
zap.Int64("quota-size-bytes", s.Cfg.QuotaBackendBytes),
zap.String("quota-size", humanize.Bytes(uint64(s.Cfg.QuotaBackendBytes))),
zap.Int64("quota-size-bytes", cfg.QuotaBackendBytes),
zap.String("quota-size", humanize.Bytes(uint64(cfg.QuotaBackendBytes))),
)
})
return &backendQuota{s, s.Cfg.QuotaBackendBytes}
return &backendQuota{be, cfg.QuotaBackendBytes}
}
func (b *backendQuota) Available(v interface{}) bool {
// TODO: maybe optimize backend.Size()
return b.s.Backend().Size()+int64(b.Cost(v)) < b.maxBackendBytes
return b.be.Size()+int64(b.Cost(v)) < b.maxBackendBytes
}
func (b *backendQuota) Cost(v interface{}) int {
@ -168,5 +170,5 @@ func costTxn(r *pb.TxnRequest) int {
}
func (b *backendQuota) Remaining() int64 {
return b.maxBackendBytes - b.s.Backend().Size()
return b.maxBackendBytes - b.be.Size()
}