🔧 Instrument gateway process (#256)

Author: gernest

go.mod

@@ -20,6 +20,8 @@ require (
 	github.com/stretchr/testify v1.9.0
 	github.com/swaggo/swag v1.16.3
 	go.opentelemetry.io/contrib/exporters/autoexport v0.51.0
+	go.opentelemetry.io/contrib/instrumentation/host v0.51.0
+	go.opentelemetry.io/contrib/instrumentation/runtime v0.51.0
 	go.opentelemetry.io/contrib/propagators/b3 v1.26.0
 	go.opentelemetry.io/otel v1.26.0
 	go.opentelemetry.io/otel/sdk v1.26.0
@@ -52,6 +54,7 @@ require (
 	github.com/gabriel-vasile/mimetype v1.4.2 // indirect
 	github.com/go-logr/logr v1.4.1 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/go-ole/go-ole v1.2.6 // indirect
 	github.com/go-openapi/jsonpointer v0.20.2 // indirect
 	github.com/go-openapi/jsonreference v0.20.4 // indirect
 	github.com/go-openapi/spec v0.20.13 // indirect
@@ -63,22 +66,29 @@ require (
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/klauspost/compress v1.17.6 // indirect
 	github.com/leodido/go-urn v1.2.4 // indirect
+	github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-runewidth v0.0.15 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect
 	github.com/prometheus/client_golang v1.19.0 // indirect
 	github.com/prometheus/client_model v0.6.1 // indirect
 	github.com/prometheus/common v0.48.0 // indirect
 	github.com/prometheus/procfs v0.12.0 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/savsgio/gotils v0.0.0-20230208104028-c358bd845dee // indirect
+	github.com/shirou/gopsutil/v3 v3.24.3 // indirect
+	github.com/shoenig/go-m1cpu v0.1.6 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/swaggo/files/v2 v2.0.0 // indirect
+	github.com/tklauser/go-sysconf v0.3.12 // indirect
+	github.com/tklauser/numcpus v0.6.1 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasthttp v1.52.0 // indirect
 	github.com/valyala/tcplisten v1.0.0 // indirect
+	github.com/yusufpapurcu/wmi v1.2.4 // indirect
 	go.opentelemetry.io/contrib v1.17.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.26.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.26.0 // indirect

go.sum

@@ -9,6 +9,8 @@ import (
 
 	"github.com/EinStack/glide/pkg/routers"
 	"github.com/EinStack/glide/pkg/version"
+	"go.opentelemetry.io/contrib/instrumentation/host"
+	"go.opentelemetry.io/contrib/instrumentation/runtime"
 
 	"github.com/EinStack/glide/pkg/config"
 
@@ -68,6 +70,17 @@ func NewGateway(configProvider *config.Provider) (*Gateway, error) {
 
 // Run starts and runs the gateway according to given configuration
 func (gw *Gateway) Run(ctx context.Context) error {
+	// Instrument the gateway process
+	err := host.Start()
+	if err != nil {
+		return err
+	}
+
+	err = runtime.Start()
+	if err != nil {
+		return err
+	}
+
 	gw.configProvider.Start()
 	gw.serverManager.Start() //nolint:contextcheck