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Use custom gRPC dialer to override default proxy dialer #2802

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Merged
dperny merged 1 commit into from
Mar 5, 2019
Merged

Use custom gRPC dialer to override default proxy dialer #2802

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5 changes: 5 additions & 0 deletions manager/state/raft/util.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ package raft

import (
"context"
"net"
"time"

"github.com/docker/swarmkit/api"
Expand All @@ -14,11 +15,15 @@ import (

// dial returns a grpc client connection
func dial(addr string, protocol string, creds credentials.TransportCredentials, timeout time.Duration) (*grpc.ClientConn, error) {
// gRPC dialer connects to proxy first. Provide a custom dialer here avoid that.
grpcOptions := []grpc.DialOption{
grpc.WithBackoffMaxDelay(2 * time.Second),
grpc.WithTransportCredentials(creds),
grpc.WithUnaryInterceptor(grpc_prometheus.UnaryClientInterceptor),
grpc.WithStreamInterceptor(grpc_prometheus.StreamClientInterceptor),
grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
return net.DialTimeout("tcp", addr, timeout)
}),
}

if timeout != 0 {
Expand Down