95 lines
2.8 KiB
Go
95 lines
2.8 KiB
Go
/*
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* Copyright 2023 The Dragonfly Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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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*/
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//go:generate mockgen -destination mocks/client_v1_mock.go -source client_v1.go -package mocks
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package client
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import (
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"context"
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"time"
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grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware"
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grpc_zap "github.com/grpc-ecosystem/go-grpc-middleware/logging/zap"
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grpc_retry "github.com/grpc-ecosystem/go-grpc-middleware/retry"
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grpc_prometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
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"google.golang.org/grpc"
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trainerv1 "d7y.io/api/v2/pkg/apis/trainer/v1"
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logger "d7y.io/dragonfly/v2/internal/dflog"
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)
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const (
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// maxRetries is maximum number of retries.
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maxRetries = 3
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// backoffWaitBetween is waiting for a fixed period of
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// time between calls in backoff linear.
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backoffWaitBetween = 500 * time.Millisecond
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)
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// GetV1ByAddr returns v1 version of the trainer client by address.
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func GetV1ByAddr(ctx context.Context, target string, opts ...grpc.DialOption) (V1, error) {
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conn, err := grpc.DialContext(
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ctx,
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target,
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append([]grpc.DialOption{
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grpc.WithIdleTimeout(0),
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grpc.WithUnaryInterceptor(grpc_middleware.ChainUnaryClient(
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grpc_prometheus.UnaryClientInterceptor,
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grpc_zap.UnaryClientInterceptor(logger.GrpcLogger.Desugar()),
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grpc_retry.UnaryClientInterceptor(
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grpc_retry.WithMax(maxRetries),
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grpc_retry.WithBackoff(grpc_retry.BackoffLinear(backoffWaitBetween)),
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),
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)),
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grpc.WithStreamInterceptor(grpc_middleware.ChainStreamClient(
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grpc_prometheus.StreamClientInterceptor,
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grpc_zap.StreamClientInterceptor(logger.GrpcLogger.Desugar()),
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)),
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}, opts...)...,
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)
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if err != nil {
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return nil, err
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}
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return &v1{
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TrainerClient: trainerv1.NewTrainerClient(conn),
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ClientConn: conn,
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}, nil
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}
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// V1 is the interface for v1 version of the grpc client.
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type V1 interface {
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// Train models of scheduler using dataset.
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Train(context.Context, ...grpc.CallOption) (trainerv1.Trainer_TrainClient, error)
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// Close tears down the ClientConn and all underlying connections.
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Close() error
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}
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// v1 provides v1 version of the trainer grpc function.
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type v1 struct {
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trainerv1.TrainerClient
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*grpc.ClientConn
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}
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// Train models of scheduler using dataset.
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func (v *v1) Train(ctx context.Context, opts ...grpc.CallOption) (trainerv1.Trainer_TrainClient, error) {
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return v.TrainerClient.Train(ctx, opts...)
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}
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