Add telemetry string to User-Agent

sdk/armcore/connection.go

@@ -63,6 +63,11 @@ func NewConnection(endpoint string, cred azcore.TokenCredential, options *Connec
 		o := DefaultConnectionOptions()
 		options = &o
 	}
+	if options.Telemetry.Value == "" {
+		options.Telemetry.Value = UserAgent
+	} else {
+		options.Telemetry.Value += " " + UserAgent
+	}
 	p := azcore.NewPipeline(options.HTTPClient,
 		azcore.NewTelemetryPolicy(&options.Telemetry),
 		NewRPRegistrationPolicy(endpoint, cred, &options.RegisterRPOptions),

sdk/armcore/connection_test.go

@@ -8,6 +8,7 @@ package armcore
 import (
 	"context"
 	"net/http"
+	"strings"
 	"testing"
 	"time"
 
@@ -46,6 +47,60 @@ func TestNewConnection(t *testing.T) {
 	}
 }
 
+func TestNewConnectionWithOptions(t *testing.T) {
+	srv, close := mock.NewServer()
+	defer close()
+	srv.AppendResponse()
+	opt := DefaultConnectionOptions()
+	opt.HTTPClient = srv
+	con := NewConnection(srv.URL(), mockTokenCred{}, &opt)
+	if ep := con.Endpoint(); ep != srv.URL() {
+		t.Fatalf("unexpected endpoint %s", ep)
+	}
+	req, err := azcore.NewRequest(context.Background(), http.MethodGet, srv.URL())
+	if err != nil {
+		t.Fatalf("Unexpected error: %v", err)
+	}
+	resp, err := con.Pipeline().Do(req)
+	if err != nil {
+		t.Fatalf("Unexpected error: %v", err)
+	}
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("unexpected status code: %d", resp.StatusCode)
+	}
+	if ua := resp.Request.Header.Get(azcore.HeaderUserAgent); !strings.HasPrefix(ua, UserAgent) {
+		t.Fatalf("unexpected User-Agent %s", ua)
+	}
+}
+
+func TestNewConnectionWithCustomTelemetry(t *testing.T) {
+	const myTelemetry = "something"
+	srv, close := mock.NewServer()
+	defer close()
+	srv.AppendResponse()
+	opt := DefaultConnectionOptions()
+	opt.HTTPClient = srv
+	opt.Telemetry.Value = myTelemetry
+	con := NewConnection(srv.URL(), mockTokenCred{}, &opt)
+	if ep := con.Endpoint(); ep != srv.URL() {
+		t.Fatalf("unexpected endpoint %s", ep)
+	}
+	req, err := azcore.NewRequest(context.Background(), http.MethodGet, srv.URL())
+	if err != nil {
+		t.Fatalf("Unexpected error: %v", err)
+	}
+	resp, err := con.Pipeline().Do(req)
+	if err != nil {
+		t.Fatalf("Unexpected error: %v", err)
+	}
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("unexpected status code: %d", resp.StatusCode)
+	}
+	if ua := resp.Request.Header.Get(azcore.HeaderUserAgent); !strings.HasPrefix(ua, myTelemetry+" "+UserAgent) {
+		t.Fatalf("unexpected User-Agent %s", ua)
+	}
+}
+
 func TestNewConnectionWithPipeline(t *testing.T) {
 	srv, close := mock.NewServer()
 	defer close()

sdk/armcore/go.mod

@@ -3,6 +3,6 @@ module github.com/Azure/azure-sdk-for-go/sdk/armcore
 go 1.14
 
 require (
-	github.com/Azure/azure-sdk-for-go/sdk/azcore v0.13.3
+	github.com/Azure/azure-sdk-for-go/sdk/azcore v0.13.4
 	github.com/Azure/azure-sdk-for-go/sdk/internal v0.5.0
 )

sdk/armcore/go.sum

@@ -1,5 +1,5 @@
-github.com/Azure/azure-sdk-for-go/sdk/azcore v0.13.3 h1:Q/fMaKaJfKuwlQNELa2ttHS3zzn0KXf43HmrvAYRxMY=
-github.com/Azure/azure-sdk-for-go/sdk/azcore v0.13.3/go.mod h1:pElNP+u99BvCZD+0jOlhI9OC/NB2IDTOTGZOZH0Qhq8=
+github.com/Azure/azure-sdk-for-go/sdk/azcore v0.13.4 h1:7MfvHEWKfjZSKQNWERlXpHwCRoceEuQef/fB8CWmnQA=
+github.com/Azure/azure-sdk-for-go/sdk/azcore v0.13.4/go.mod h1:pElNP+u99BvCZD+0jOlhI9OC/NB2IDTOTGZOZH0Qhq8=
 github.com/Azure/azure-sdk-for-go/sdk/internal v0.5.0 h1:HG1ggl8L3ZkV/Ydanf7lKr5kkhhPGCpWdnr1J6v7cO4=
 github.com/Azure/azure-sdk-for-go/sdk/internal v0.5.0/go.mod h1:k4KbFSunV/+0hOHL1vyFaPsiYQ1Vmvy1TBpmtvCDLZM=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=

sdk/armcore/policy_register_rp.go

@@ -49,6 +49,10 @@ type RegistrationOptions struct {
 	// Retry configures the built-in retry policy behavior.
 	// Defaults to azcore.DefaultRetryOptions()
 	Retry azcore.RetryOptions
+
+	// Telemetry configures the built-in telemetry policy behavior.
+	// Defaults to azcore.DefaultTelemetryOptions()
+	Telemetry azcore.TelemetryOptions
 }
 
 // DefaultRegistrationOptions returns an instance of RegistrationOptions initialized with default values.
@@ -58,6 +62,7 @@ func DefaultRegistrationOptions() RegistrationOptions {
 		PollingDelay:    15 * time.Second,
 		PollingDuration: 5 * time.Minute,
 		Retry:           azcore.DefaultRetryOptions(),
+		Telemetry:       azcore.DefaultTelemetryOptions(),
 	}
 }
 
@@ -72,6 +77,7 @@ func NewRPRegistrationPolicy(endpoint string, cred azcore.Credential, o *Registr
 		o = &def
 	}
 	p := azcore.NewPipeline(o.HTTPClient,
+		azcore.NewTelemetryPolicy(&o.Telemetry),
 		azcore.NewRetryPolicy(&o.Retry),
 		cred.AuthenticationPolicy(azcore.AuthenticationPolicyOptions{Options: azcore.TokenRequestOptions{Scopes: []string{endpointToScope(endpoint)}}}),
 		azcore.NewLogPolicy(nil))

sdk/armcore/policy_register_rp_test.go

@@ -68,7 +68,10 @@ func TestRPRegistrationPolicySuccess(t *testing.T) {
 	srv.AppendResponse(mock.WithStatusCode(http.StatusOK), mock.WithBody([]byte(rpRegisteredResp)))
 	// response for original request (different status code than any of the other responses)
 	srv.AppendResponse(mock.WithStatusCode(http.StatusAccepted))
-	pl := azcore.NewPipeline(srv, NewRPRegistrationPolicy(srv.URL(), azcore.AnonymousCredential(), testRPRegistrationOptions(srv)))
+	opt := DefaultConnectionOptions()
+	opt.HTTPClient = srv
+	opt.RegisterRPOptions = *testRPRegistrationOptions(srv)
+	con := NewConnection(srv.URL(), mockTokenCred{}, &opt)
 	req, err := azcore.NewRequest(context.Background(), http.MethodGet, azcore.JoinPaths(srv.URL(), requestEndpoint))
 	if err != nil {
 		t.Fatal(err)
@@ -83,7 +86,7 @@ func TestRPRegistrationPolicySuccess(t *testing.T) {
 	azcore.Log().SetListener(func(cls azcore.LogClassification, msg string) {
 		logEntries++
 	})
-	resp, err := pl.Do(req)
+	resp, err := con.Pipeline().Do(req)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -101,6 +104,9 @@ func TestRPRegistrationPolicySuccess(t *testing.T) {
 	if logEntries != 4 {
 		t.Fatalf("expected 4 log entries, got %d", logEntries)
 	}
+	if ua := resp.Request.Header.Get(azcore.HeaderUserAgent); !strings.HasPrefix(ua, UserAgent) {
+		t.Fatalf("unexpected User-Agent %s", ua)
+	}
 }
 
 func TestRPRegistrationPolicyNA(t *testing.T) {

sdk/armcore/version.go

@@ -0,0 +1,14 @@
+// +build go1.13
+
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+package armcore
+
+const (
+	// UserAgent is the string to be used in the user agent string when making requests.
+	UserAgent = "armcore/" + Version
+
+	// Version is the semantic version (see http://semver.org) of this module.
+	Version = "v0.5.1"
+)