Tink Server: Add basic smoke test for gRPC server:

This should catch some runtime errors for the gRPC server.
There aren't any runtime tests or checks yet in the codebase so
this is just something to get us started.

Signed-off-by: Jacob Weinstock <jakobweinstock@gmail.com>

cmd/tink-server/main.go

@@ -18,6 +18,7 @@ import (
 	"github.com/tinkerbell/tink/db"
 	rpcServer "github.com/tinkerbell/tink/grpc-server"
 	httpServer "github.com/tinkerbell/tink/http-server"
+	"github.com/tinkerbell/tink/metrics"
 )
 
 var (
@@ -133,6 +134,7 @@ func NewRootCommand(config *DaemonConfig, logger log.Logger) *cobra.Command {
 			// the most aggressive way we have to guarantee that
 			// the old way works as before.
 			config.PopulateFromLegacyEnvVar()
+			metrics.SetupMetrics(config.Facility, logger)
 
 			logger.Info("starting version " + version)
 

go.mod

@@ -10,18 +10,17 @@ require (
 	github.com/golang/protobuf v1.5.2
 	github.com/google/go-cmp v0.5.6
 	github.com/google/uuid v1.2.0
-	github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4
+	github.com/grpc-ecosystem/go-grpc-middleware v1.2.2
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0
 	github.com/jedib0t/go-pretty v4.3.0+incompatible
-	github.com/lib/pq v1.2.1-0.20191011153232-f91d3411e481
-	github.com/mattn/go-isatty v0.0.12 // indirect
+	github.com/ktr0731/evans v0.10.0
+	github.com/lib/pq v1.10.1
 	github.com/moby/term v0.0.0-20210619224110-3f7ff695adc6 // indirect
 	github.com/packethost/pkg v0.0.0-20200903155310-0433e0605550
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.11.0
 	github.com/rubenv/sql-migrate v0.0.0-20200616145509-8d140a17f351
-	github.com/sirupsen/logrus v1.8.1
 	github.com/spf13/cobra v1.2.1
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.8.1