Fix typos

controllers/nginx/pkg/metric/collector/nginx.go

@@ -125,7 +125,7 @@ func (p nginxStatusCollector) Stop() {
 	close(p.scrapeChan)
 }
 
-// nginxStatusCollector scrap the nginx status
+// nginxStatusCollector scrape the nginx status
 func (p nginxStatusCollector) scrape(ch chan<- prometheus.Metric) {
 	s, err := getNginxStatus(p.ngxHealthPort, p.ngxVtsPath)
 	if err != nil {

controllers/nginx/pkg/metric/collector/status.go

@@ -145,7 +145,7 @@ func (bit BoolToFloat64) UnmarshalJSON(data []byte) error {
 
 func getNginxStatus(port int, path string) (*basicStatus, error) {
 	url := fmt.Sprintf("http://localhost:%v%v", port, path)
-	glog.V(3).Infof("start scrapping url: %v", url)
+	glog.V(3).Infof("start scraping url: %v", url)
 
 	data, err := httpBody(url)
 
@@ -176,7 +176,7 @@ func httpBody(url string) ([]byte, error) {
 
 func getNginxVtsMetrics(port int, path string) (*vts, error) {
 	url := fmt.Sprintf("http://localhost:%v%v", port, path)
-	glog.V(3).Infof("start scrapping url: %v", url)
+	glog.V(3).Infof("start scraping url: %v", url)
 
 	data, err := httpBody(url)
 
@@ -189,7 +189,7 @@ func getNginxVtsMetrics(port int, path string) (*vts, error) {
 	if err != nil {
 		return nil, fmt.Errorf("unexpected error json unmarshal (%v)", err)
 	}
-	glog.V(3).Infof("scrap returned : %v", vts)
+	glog.V(3).Infof("scrape returned : %v", vts)
 	return vts, nil
 }
 

examples/customization/custom-vts-metrics/nginx/README.md

@@ -3,7 +3,7 @@
 This example aims to demonstrate the deployment of an nginx ingress controller and
 use a ConfigMap to enable nginx vts module and export metrics for prometheus,to enable 
 vts metric,you can simply run `kubectl apply -f nginx`,a deployment and service will be
-created which already has a `prometheus.io/scrap: 'true'` annotation and if you added
+created which already has a `prometheus.io/scrape: 'true'` annotation and if you added
 the recommended Prometheus service-endpoint scraping [configuration](https://github.com/raw/prometheus/prometheus/master/documentation/examples/prometheus-kubernetes.yml),
 Prometheus will scrape it automatically and you start using the generated metrics right away.