wehub-resource-sync
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83 lines
2.4 KiB
Go
83 lines
2.4 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package components
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import (
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"context"
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"time"
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"github.com/milvus-io/milvus-proto/go-api/v3/commonpb"
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"github.com/milvus-io/milvus-proto/go-api/v3/milvuspb"
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grpcquerynode "github.com/milvus-io/milvus/internal/distributed/querynode"
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"github.com/milvus-io/milvus/internal/util/dependency"
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"github.com/milvus-io/milvus/pkg/v3/mlog"
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"github.com/milvus-io/milvus/pkg/v3/util/paramtable"
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"github.com/milvus-io/milvus/pkg/v3/util/typeutil"
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)
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// QueryNode implements QueryNode grpc server
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type QueryNode struct {
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ctx context.Context
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svr *grpcquerynode.Server
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}
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// NewQueryNode creates a new QueryNode
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func NewQueryNode(ctx context.Context, factory dependency.Factory) (*QueryNode, error) {
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svr, err := grpcquerynode.NewServer(ctx, factory)
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if err != nil {
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return nil, err
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}
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return &QueryNode{
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ctx: ctx,
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svr: svr,
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}, nil
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}
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func (q *QueryNode) Prepare() error {
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return q.svr.Prepare()
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}
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// Run starts service
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func (q *QueryNode) Run() error {
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if err := q.svr.Run(); err != nil {
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mlog.Error(q.ctx, "QueryNode starts error", mlog.Err(err))
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return err
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}
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mlog.Info(q.ctx, "QueryNode successfully started")
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return nil
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}
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// Stop terminates service
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func (q *QueryNode) Stop() error {
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timeout := paramtable.Get().QueryNodeCfg.GracefulStopTimeout.GetAsDuration(time.Second)
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return exitWhenStopTimeout(q.svr.Stop, timeout)
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}
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// GetComponentStates returns QueryNode's states
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func (q *QueryNode) Health(ctx context.Context) commonpb.StateCode {
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resp, err := q.svr.GetComponentStates(ctx, &milvuspb.GetComponentStatesRequest{})
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if err != nil {
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return commonpb.StateCode_Abnormal
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}
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return resp.State.GetStateCode()
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}
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func (q *QueryNode) GetName() string {
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return typeutil.QueryNodeRole
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}
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