Remove unnecessary occurrences of whitelist and master. (#2799)

docs/install/operator/configuring-serving-cr.md

@@ -340,7 +340,7 @@ spec:
 
 ## High availability
 
-By default, Knative Serving runs a single instance of each controller. The `spec.high-availability` field allows you to configure the number of replicas for the following master-elected controllers: `controller`, `autoscaler-hpa`, `networking-istio`. This field also configures the `HorizontalPodAutoscaler` resources for the data plane (`activator`):
+By default, Knative Serving runs a single instance of each controller. The `spec.high-availability` field allows you to configure the number of replicas for the following leader-elected controllers: `controller`, `autoscaler-hpa`, `networking-istio`. This field also configures the `HorizontalPodAutoscaler` resources for the data plane (`activator`):
 
 The following configuration specifies a replica count of 3 for the controllers and a minimum of 3 activators (which may scale higher if needed):
 

docs/serving/debugging-performance-issues.md

@@ -89,7 +89,7 @@ enough, or that the Kubernetes cluster is out of requested resources.
 
 A large gap between the requested pod count and the desired pod count indicates
 that the Knative Serving autoscaler is unable to communicate with the Kubernetes
-master to make the request.
+API to make the request.
 
 In the preceding example, the autoscaler requested 18 pods to optimally serve
 the traffic but was only granted 8 pods because the cluster is out of resources.

test/e2e/sampleapp_test.go

@@ -37,9 +37,9 @@ func TestSampleApp(t *testing.T) {
 		t.Fatalf("Failed reading config file %s: '%v'", configFile, err)
 	}
 
-	whitelist := test.GetWhitelistedLanguages()
+	allowed := test.GetAllowedLanguages()
 	for _, lc := range lcs.Languages {
-		if _, ok := whitelist[lc.Language]; len(whitelist) > 0 && !ok {
+		if _, ok := allowed[lc.Language]; len(allowed) > 0 && !ok {
 			continue
 		}
 		lc.UseDefaultIfNotProvided()

test/flag.go

@@ -34,7 +34,7 @@ type EnvironmentFlags struct {
 	DockerRepo  string // Docker repo (defaults to $KO_DOCKER_REPO)
 	EmitMetrics bool   // Emit metrics
 	Tag         string // Docker image tag
-	Languages   string // Whitelisted languages to run
+	Languages   string // Allowed languages to run
 }
 
 func initializeFlags() *EnvironmentFlags {
@@ -63,13 +63,13 @@ func ImagePath(name string) string {
 	return fmt.Sprintf("%s/%s:%s", Flags.DockerRepo, name, Flags.Tag)
 }
 
-// GetWhitelistedLanguages is a helper function to return a map of whitelisted languages based on Languages filter
-func GetWhitelistedLanguages() map[string]bool {
-	whitelist := make(map[string]bool)
+// GetAllowedLanguages is a helper function to return a map of allowed languages based on Languages filter
+func GetAllowedLanguages() map[string]bool {
+	allowed := make(map[string]bool)
 	if "" != Flags.Languages {
 		for _, l := range strings.Split(Flags.Languages, ",") {
-			whitelist[l] = true
+			allowed[l] = true
 		}
 	}
-	return whitelist
+	return allowed
 }

test/sampleconsistency/sampleconsistency_test.go

@@ -115,9 +115,9 @@ func TestDocSrc(t *testing.T) {
 		t.Fatalf("Failed reading config file %s: '%v'", configFile, err)
 	}
 
-	whitelist := test.GetWhitelistedLanguages()
+	allowed := test.GetAllowedLanguages()
 	for _, lc := range lcs.Languages {
-		if _, ok := whitelist[lc.Language]; len(whitelist) > 0 && !ok {
+		if _, ok := allowed[lc.Language]; len(allowed) > 0 && !ok {
 			continue
 		}
 		lc.UseDefaultIfNotProvided()