/
runner_grpc_client_to_executor.go
89 lines (69 loc) · 1.91 KB
/
runner_grpc_client_to_executor.go
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package gio
import (
"fmt"
"log"
"sync"
"time"
"context"
"github.com/chrislusf/gleam/pb"
"google.golang.org/grpc"
)
func (runner *gleamRunner) statusHeartbeat(wg *sync.WaitGroup, finishedChan chan bool) {
defer wg.Done()
err := withClient(runner.Option.ExecutorAddress, func(client pb.GleamExecutorClient) error {
stream, err := client.CollectExecutionStatistics(context.Background(), grpc.FailFast(false))
if err != nil {
return fmt.Errorf("runner => executor %v: %v", runner.Option.ExecutorAddress, err)
}
tickChan := time.Tick(1 * time.Second)
for {
select {
case <-tickChan:
if err := stream.Send(stat); err != nil {
return fmt.Errorf("runner Send(%v): %v", stat, err)
}
case <-finishedChan:
stream.CloseSend()
return nil
}
}
})
if err != nil {
log.Printf("runner heartbeat to %v: %v", runner.Option.ExecutorAddress, err)
}
}
func (runner *gleamRunner) reportStatus() {
err := withClient(runner.Option.ExecutorAddress, func(client pb.GleamExecutorClient) error {
stream, err := client.CollectExecutionStatistics(context.Background(), grpc.FailFast(false))
if err != nil {
return fmt.Errorf("runner => executor %v: %v", runner.Option.ExecutorAddress, err)
}
// defer stream.CloseSend()
if err := stream.Send(stat); err != nil {
log.Printf("%v.Send(%v) = %v", stream, stat, err)
return nil
}
return nil
})
if err != nil {
log.Printf("runner reportStatus to %v: %v", runner.Option.ExecutorAddress, err)
}
}
func withClient(server string, fn func(client pb.GleamExecutorClient) error) error {
if server == "" {
return nil
}
grpcConnection, err := grpc.Dial(server,
grpc.WithInsecure(),
grpc.WithBlock(),
)
if err != nil {
return fmt.Errorf("executor dial agent: %v", err)
}
defer func() {
time.Sleep(50 * time.Millisecond)
grpcConnection.Close()
}()
client := pb.NewGleamExecutorClient(grpcConnection)
return fn(client)
}