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chore: import upstream snapshot with attribution
2026-07-13 12:31:17 +08:00

83 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"
"github.com/milvus-io/milvus-proto/go-api/v3/commonpb"
"github.com/milvus-io/milvus-proto/go-api/v3/milvuspb"
grpcdatanode "github.com/milvus-io/milvus/internal/distributed/datanode"
"github.com/milvus-io/milvus/internal/util/dependency"
"github.com/milvus-io/milvus/pkg/v3/mlog"
"github.com/milvus-io/milvus/pkg/v3/util/paramtable"
"github.com/milvus-io/milvus/pkg/v3/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 {
mlog.Error(d.ctx, "DataNode starts error", mlog.Err(err))
return err
}
mlog.Info(d.ctx, "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
}