44 lines
1.5 KiB
Go
44 lines
1.5 KiB
Go
package external
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import (
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"time"
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middleware "github.com/grpc-ecosystem/go-grpc-middleware"
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recovery "github.com/grpc-ecosystem/go-grpc-middleware/recovery"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials"
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"google.golang.org/grpc/keepalive"
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agentmiddleware "github.com/hashicorp/consul/agent/grpc-middleware"
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"github.com/hashicorp/consul/tlsutil"
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)
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// NewServer constructs a gRPC server for the external gRPC port, to which
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// handlers can be registered.
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func NewServer(logger agentmiddleware.Logger, tls *tlsutil.Configurator) *grpc.Server {
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recoveryOpts := agentmiddleware.PanicHandlerMiddlewareOpts(logger)
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opts := []grpc.ServerOption{
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grpc.MaxConcurrentStreams(2048),
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middleware.WithUnaryServerChain(
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// Add middlware interceptors to recover in case of panics.
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recovery.UnaryServerInterceptor(recoveryOpts...),
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),
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middleware.WithStreamServerChain(
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// Add middlware interceptors to recover in case of panics.
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recovery.StreamServerInterceptor(recoveryOpts...),
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),
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grpc.KeepaliveEnforcementPolicy(keepalive.EnforcementPolicy{
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// This must be less than the keealive.ClientParameters Time setting, otherwise
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// the server will disconnect the client for sending too many keepalive pings.
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// Currently the client param is set to 30s.
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MinTime: 15 * time.Second,
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}),
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}
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if tls != nil && tls.GRPCServerUseTLS() {
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creds := credentials.NewTLS(tls.IncomingGRPCConfig())
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opts = append(opts, grpc.Creds(creds))
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}
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return grpc.NewServer(opts...)
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}
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