NOISSUE - Add traces to API Bootstraps and Certs endpoints (#1851)

* add traces to bootstrap endpoints

Signed-off-by: SammyOina <sammyoina@gmail.com>

* add tracing to certs endpoints

Signed-off-by: SammyOina <sammyoina@gmail.com>

* remove tracing provider

Signed-off-by: SammyOina <sammyoina@gmail.com>

* add tracing provider

Signed-off-by: SammyOina <sammyoina@gmail.com>

* add tracing provider

Signed-off-by: SammyOina <sammyoina@gmail.com>

* Update cmd/certs/main.go

Co-authored-by: b1ackd0t <blackd0t@protonmail.com>
Signed-off-by: SammyOina <sammyoina@gmail.com>

---------

Signed-off-by: SammyOina <sammyoina@gmail.com>
Co-authored-by: b1ackd0t <blackd0t@protonmail.com>

bootstrap/api/transport.go

@@ -18,6 +18,7 @@ import (
 	mflog "github.com/mainflux/mainflux/logger"
 	"github.com/mainflux/mainflux/pkg/errors"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
+	"go.opentelemetry.io/contrib/instrumentation/github.com/go-kit/kit/otelkit"
 )
 
 const (
@@ -41,61 +42,61 @@ func MakeHandler(svc bootstrap.Service, reader bootstrap.ConfigReader, logger mf
 	r := bone.New()
 
 	r.Post("/things/configs", kithttp.NewServer(
-		addEndpoint(svc),
+		otelkit.EndpointMiddleware(otelkit.WithOperation("add"))(addEndpoint(svc)),
 		decodeAddRequest,
 		encodeResponse,
 		opts...))
 
 	r.Get("/things/configs/:configID", kithttp.NewServer(
-		viewEndpoint(svc),
+		otelkit.EndpointMiddleware(otelkit.WithOperation("view"))(viewEndpoint(svc)),
 		decodeEntityRequest,
 		encodeResponse,
 		opts...))
 
 	r.Put("/things/configs/:configID", kithttp.NewServer(
-		updateEndpoint(svc),
+		otelkit.EndpointMiddleware(otelkit.WithOperation("update"))(updateEndpoint(svc)),
 		decodeUpdateRequest,
 		encodeResponse,
 		opts...))
 
 	r.Patch("/things/configs/certs/:certID", kithttp.NewServer(
-		updateCertEndpoint(svc),
+		otelkit.EndpointMiddleware(otelkit.WithOperation("update_cert"))(updateCertEndpoint(svc)),
 		decodeUpdateCertRequest,
 		encodeResponse,
 		opts...))
 
 	r.Put("/things/configs/connections/:connID", kithttp.NewServer(
-		updateConnEndpoint(svc),
+		otelkit.EndpointMiddleware(otelkit.WithOperation("update_connections"))(updateConnEndpoint(svc)),
 		decodeUpdateConnRequest,
 		encodeResponse,
 		opts...))
 
 	r.Get("/things/configs", kithttp.NewServer(
-		listEndpoint(svc),
+		otelkit.EndpointMiddleware(otelkit.WithOperation("list"))(listEndpoint(svc)),
 		decodeListRequest,
 		encodeResponse,
 		opts...))
 
 	r.Get("/things/bootstrap/:externalID", kithttp.NewServer(
-		bootstrapEndpoint(svc, reader, false),
+		otelkit.EndpointMiddleware(otelkit.WithOperation("bootstrap"))(bootstrapEndpoint(svc, reader, false)),
 		decodeBootstrapRequest,
 		encodeResponse,
 		opts...))
 
 	r.Get("/things/bootstrap/secure/:externalID", kithttp.NewServer(
-		bootstrapEndpoint(svc, reader, true),
+		otelkit.EndpointMiddleware(otelkit.WithOperation("bootstrap_secure"))(bootstrapEndpoint(svc, reader, true)),
 		decodeBootstrapRequest,
 		encodeSecureRes,
 		opts...))
 
 	r.Put("/things/state/:thingID", kithttp.NewServer(
-		stateEndpoint(svc),
+		otelkit.EndpointMiddleware(otelkit.WithOperation("state"))(stateEndpoint(svc)),
 		decodeStateRequest,
 		encodeResponse,
 		opts...))
 
 	r.Delete("/things/configs/:configID", kithttp.NewServer(
-		removeEndpoint(svc),
+		otelkit.EndpointMiddleware(otelkit.WithOperation("remove"))(removeEndpoint(svc)),
 		decodeEntityRequest,
 		encodeResponse,
 		opts...))

certs/api/transport.go

@@ -16,6 +16,7 @@ import (
 	"github.com/mainflux/mainflux/logger"
 	"github.com/mainflux/mainflux/pkg/errors"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
+	"go.opentelemetry.io/contrib/instrumentation/github.com/go-kit/kit/otelkit"
 )
 
 const (
@@ -35,28 +36,28 @@ func MakeHandler(svc certs.Service, logger logger.Logger, instanceID string) htt
 	r := bone.New()
 
 	r.Post("/certs", kithttp.NewServer(
-		issueCert(svc),
+		otelkit.EndpointMiddleware(otelkit.WithOperation("issue"))(issueCert(svc)),
 		decodeCerts,
 		encodeResponse,
 		opts...,
 	))
 
 	r.Get("/certs/:certID", kithttp.NewServer(
-		viewCert(svc),
+		otelkit.EndpointMiddleware(otelkit.WithOperation("view"))(viewCert(svc)),
 		decodeViewCert,
 		encodeResponse,
 		opts...,
 	))
 
 	r.Delete("/certs/:certID", kithttp.NewServer(
-		revokeCert(svc),
+		otelkit.EndpointMiddleware(otelkit.WithOperation("revoke"))(revokeCert(svc)),
 		decodeRevokeCerts,
 		encodeResponse,
 		opts...,
 	))
 
 	r.Get("/serials/:thingID", kithttp.NewServer(
-		listSerials(svc),
+		otelkit.EndpointMiddleware(otelkit.WithOperation("list_serials"))(listSerials(svc)),
 		decodeListCerts,
 		encodeResponse,
 		opts...,

cmd/bootstrap/main.go

@@ -123,6 +123,7 @@ func main() {
 	if err := env.Parse(&httpServerConfig, env.Options{Prefix: envPrefixHttp, AltPrefix: envPrefix}); err != nil {
 		logger.Fatal(fmt.Sprintf("failed to load %s HTTP server configuration : %s", svcName, err))
 	}
+
 	hs := httpserver.New(ctx, cancel, svcName, httpServerConfig, api.MakeHandler(svc, bootstrap.NewConfigReader([]byte(cfg.EncKey)), logger, instanceID), logger)
 
 	if cfg.SendTelemetry {

cmd/certs/main.go

@@ -18,6 +18,7 @@ import (
 	vault "github.com/mainflux/mainflux/certs/pki"
 	certsPg "github.com/mainflux/mainflux/certs/postgres"
 	"github.com/mainflux/mainflux/internal"
+	jaegerClient "github.com/mainflux/mainflux/internal/clients/jaeger"
 	"github.com/mainflux/mainflux/internal/env"
 	"github.com/mainflux/mainflux/internal/server"
 	httpserver "github.com/mainflux/mainflux/internal/server/http"
@@ -46,6 +47,7 @@ type config struct {
 	ThingsURL     string `env:"MF_THINGS_URL"             envDefault:"http://things:9000"`
 	SendTelemetry bool   `env:"MF_SEND_TELEMETRY"         envDefault:"true"`
 	InstanceID    string `env:"MF_CERTS_INSTANCE_ID"      envDefault:""`
+	JaegerURL     string `env:"MF_JAEGER_URL"             envDefault:"http://jaeger:14268/api/traces"`
 
 	// Sign and issue certificates without 3rd party PKI
 	SignCAPath    string `env:"MF_CERTS_SIGN_CA_PATH"        envDefault:"ca.crt"`
@@ -112,6 +114,15 @@ func main() {
 	if err := env.Parse(&httpServerConfig, env.Options{Prefix: envPrefixHttp, AltPrefix: envPrefix}); err != nil {
 		logger.Fatal(fmt.Sprintf("failed to load %s HTTP server configuration : %s", svcName, err))
 	}
+	tp, err := jaegerClient.NewProvider(svcName, cfg.JaegerURL, instanceID)
+	if err != nil {
+		logger.Fatal(fmt.Sprintf("failed to init Jaeger: %s", err))
+	}
+	defer func() {
+		if err := tp.Shutdown(ctx); err != nil {
+			logger.Error(fmt.Sprintf("error shutting down tracer provider: %v", err))
+		}
+	}()
 	hs := httpserver.New(ctx, cancel, svcName, httpServerConfig, api.MakeHandler(svc, logger, instanceID), logger)
 
 	if cfg.SendTelemetry {