mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-02 20:09:57 +08:00
85 lines
2.4 KiB
Go
85 lines
2.4 KiB
Go
// Licensed to the LF AI & Data foundation under one
|
|
// or more contributor license agreements. See the NOTICE file
|
|
// distributed with this work for additional information
|
|
// regarding copyright ownership. The ASF licenses this file
|
|
// to you 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 components
|
|
|
|
import (
|
|
"context"
|
|
"time"
|
|
|
|
"go.uber.org/zap"
|
|
|
|
"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
|
|
"github.com/milvus-io/milvus-proto/go-api/v2/milvuspb"
|
|
grpcdatanode "github.com/milvus-io/milvus/internal/distributed/datanode"
|
|
"github.com/milvus-io/milvus/internal/util/dependency"
|
|
"github.com/milvus-io/milvus/pkg/log"
|
|
"github.com/milvus-io/milvus/pkg/util/paramtable"
|
|
"github.com/milvus-io/milvus/pkg/util/typeutil"
|
|
)
|
|
|
|
// DataNode implements DataNode grpc server
|
|
type DataNode struct {
|
|
ctx context.Context
|
|
svr *grpcdatanode.Server
|
|
}
|
|
|
|
// NewDataNode creates a new DataNode
|
|
func NewDataNode(ctx context.Context, factory dependency.Factory) (*DataNode, error) {
|
|
svr, err := grpcdatanode.NewServer(ctx, factory)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &DataNode{
|
|
ctx: ctx,
|
|
svr: svr,
|
|
}, nil
|
|
}
|
|
|
|
func (d *DataNode) Prepare() error {
|
|
return d.svr.Prepare()
|
|
}
|
|
|
|
// Run starts service
|
|
func (d *DataNode) Run() error {
|
|
if err := d.svr.Run(); err != nil {
|
|
log.Error("DataNode starts error", zap.Error(err))
|
|
return err
|
|
}
|
|
log.Debug("Datanode successfully started")
|
|
return nil
|
|
}
|
|
|
|
// Stop terminates service
|
|
func (d *DataNode) Stop() error {
|
|
timeout := paramtable.Get().DataNodeCfg.GracefulStopTimeout.GetAsDuration(time.Second)
|
|
return exitWhenStopTimeout(d.svr.Stop, timeout)
|
|
}
|
|
|
|
// GetComponentStates returns DataNode's states
|
|
func (d *DataNode) Health(ctx context.Context) commonpb.StateCode {
|
|
resp, err := d.svr.GetComponentStates(ctx, &milvuspb.GetComponentStatesRequest{})
|
|
if err != nil {
|
|
return commonpb.StateCode_Abnormal
|
|
}
|
|
return resp.State.GetStateCode()
|
|
}
|
|
|
|
func (d *DataNode) GetName() string {
|
|
return typeutil.DataNodeRole
|
|
}
|