f2ef576510
Examples for HTTP based task-group service healthchecks are covered by the `countdash` demo, but gRPC checks currently have no runnable examples. This PR adds a trivial gRPC enabled application that provides a Service implementing the standard gRPC healthcheck interface.
41 lines
798 B
Go
41 lines
798 B
Go
package main
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import (
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"fmt"
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"log"
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"net"
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"os"
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"github.com/hashicorp/nomad/demo/grpc-checks/example"
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"google.golang.org/grpc"
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ghc "google.golang.org/grpc/health/grpc_health_v1"
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)
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func main() {
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port := os.Getenv("GRPC_HC_PORT")
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if port == "" {
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port = "3333"
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}
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address := fmt.Sprintf(":%s", port)
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log.Printf("creating tcp listener on %s", address)
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listener, err := net.Listen("tcp", address)
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if err != nil {
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log.Printf("unable to create listener: %v", err)
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os.Exit(1)
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}
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log.Printf("creating grpc server")
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grpcServer := grpc.NewServer()
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log.Printf("registering health server")
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ghc.RegisterHealthServer(grpcServer, example.New())
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log.Printf("listening ...")
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if err := grpcServer.Serve(listener); err != nil {
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log.Printf("unable to listen: %v", err)
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os.Exit(1)
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}
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}
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