[aggregate] Fix typos across codebase

cmd/nginx/flags.go

@@ -150,7 +150,7 @@ Feature backed by OpenResty Lua libraries.`)
 		httpPort      = flags.Int("http-port", 80, `Port to use for servicing HTTP traffic.`)
 		httpsPort     = flags.Int("https-port", 443, `Port to use for servicing HTTPS traffic.`)
 		statusPort    = flags.Int("status-port", 18080, `Port to use for exposing NGINX status pages.`)
-		sslProxyPort  = flags.Int("ssl-passtrough-proxy-port", 442, `Port to use internally for SSL Passthgough.`)
+		sslProxyPort  = flags.Int("ssl-passthrough-proxy-port", 442, `Port to use internally for SSL Passthrough.`)
 		defServerPort = flags.Int("default-server-port", 8181, `Port to use for exposing the default server (catch-all).`)
 		healthzPort   = flags.Int("healthz-port", 10254, "Port to use for the healthz endpoint.")
 	)
@@ -180,7 +180,7 @@ Feature backed by OpenResty Lua libraries.`)
 		glog.Infof("Watching for Ingress class: %s", *ingressClass)
 
 		if *ingressClass != class.DefaultClass {
-			glog.Warningf("Only Ingresses with class %q will be processed by this ingress controller", *ingressClass)
+			glog.Warningf("Only Ingresses with class %q will be processed by this Ingress controller", *ingressClass)
 		}
 
 		class.IngressClass = *ingressClass

cmd/nginx/main.go

@@ -167,7 +167,7 @@ func handleSigterm(ngx *controller.NGINXController, exit exiter) {
 // kubeConfig is the location of a kubeconfig file. If defined, the kubeconfig
 // file is loaded first, the URL of the API server read from the file is then
 // optionally overriden by the value of apiserverHost.
-// If neither apiserverHost or kubeconfig are passed in, we assume the
+// If neither apiserverHost nor kubeConfig are passed in, we assume the
 // controller runs inside Kubernetes and fallback to the in-cluster config. If
 // the in-cluster config is missing or fails, we fallback to the default config.
 func createApiserverClient(apiserverHost, kubeConfig string) (*kubernetes.Clientset, error) {

docs/user-guide/cli-arguments.md

@@ -33,7 +33,7 @@ They are set in the container spec of the `nginx-ingress-controller` Deployment
 | --publish-status-address string   | Customized address to set as the load-balancer status of Ingress objects this controller satisfies. Requires the update-status parameter. |
 | --report-node-internal-ip-address | Set the load-balancer status of Ingress objects to internal Node addresses instead of external. Requires the update-status parameter. |
 | --sort-backends                   | Sort servers inside NGINX upstreams. |
-| --ssl-passtrough-proxy-port int   | Port to use internally for SSL Passthgough. (default 442) |
+| --ssl-passthrough-proxy-port int  | Port to use internally for SSL Passthrough. (default 442) |
 | --status-port int                 | Port to use for exposing NGINX status pages. (default 18080) |
 | --stderrthreshold severity        | logs at or above this threshold go to stderr (default 2) |
 | --sync-period duration            | Period at which the controller forces the repopulation of its local object stores. (default 10m0s) |

docs/user-guide/custom-errors.md

@@ -5,13 +5,13 @@ that it passes several HTTP headers down to its `default-backend` in case of err
 
 | Header           | Value                                            |
 | ---------------- | ------------------------------------------------ |
-| `X-Code`         | HTTP status code retuned by the request          |
-| `X-Format`       | Value of the `Accept` header sent by the client  |
-| `X-Original-URI` | URI that caused the error                        |
-| `X-Namespace`    | Namespace where the backend Service is located   |
-| `X-Ingress-Name` | Name of the Ingress where the backend is defined |
-| `X-Service-Name` | Name of the Service backing the backend          |
-| `X-Service-Port` | Port number of the Service backing the backend          |
+| `X-Code`         | HTTP status code retuned by the request          |
+| `X-Format`       | Value of the `Accept` header sent by the client  |
+| `X-Original-URI` | URI that caused the error                        |
+| `X-Namespace`    | Namespace where the backend Service is located   |
+| `X-Ingress-Name` | Name of the Ingress where the backend is defined |
+| `X-Service-Name` | Name of the Service backing the backend          |
+| `X-Service-Port` | Port number of the Service backing the backend   |
 
 A custom error backend can use this information to return the best possible representation of an error page. For
 example, if the value of the `Accept` header send by the client was `application/json`, a carefully crafted backend

internal/ingress/controller/controller.go

@@ -206,10 +206,10 @@ func (n *NGINXController) syncIngress(interface{}) error {
 }
 
 func (n *NGINXController) getStreamServices(configmapName string, proto apiv1.Protocol) []ingress.L4Service {
-	glog.V(3).Infof("Obtaining information about %v stream services from ConfigMap %q", proto, configmapName)
 	if configmapName == "" {
 		return []ingress.L4Service{}
 	}
+	glog.V(3).Infof("Obtaining information about %v stream services from ConfigMap %q", proto, configmapName)
 
 	_, _, err := k8s.ParseNameNS(configmapName)
 	if err != nil {
@@ -1019,7 +1019,7 @@ func (n *NGINXController) createServers(data []*extensions.Ingress,
 			err = cert.Certificate.VerifyHostname(host)
 			if err != nil {
 				glog.Warningf("Unexpected error validating SSL certificate %q for server %q: %v", key, host, err)
-				glog.Warningf("Validating certificate against DNS names. This will be deprecated in a future version.")
+				glog.Warning("Validating certificate against DNS names. This will be deprecated in a future version.")
 				// check the Common Name field
 				// https://github.com/golang/go/issues/22922
 				err := verifyHostname(host, cert.Certificate)
@@ -1032,14 +1032,14 @@ func (n *NGINXController) createServers(data []*extensions.Ingress,
 			servers[host].SSLCert = *cert
 
 			if cert.ExpireTime.Before(time.Now().Add(240 * time.Hour)) {
-				glog.Warningf("SSL certificate for server %q is about to expire (%v)", cert.ExpireTime)
+				glog.Warningf("SSL certificate for server %q is about to expire (%v)", host, cert.ExpireTime)
 			}
 		}
 	}
 
 	for alias, host := range aliases {
 		if _, ok := servers[alias]; ok {
-			glog.Warningf("Conflicting hostname (%v) and alias (%v) in server %q. Removing alias to avoid conflicts.", alias, host)
+			glog.Warningf("Conflicting hostname (%v) and alias (%v). Removing alias to avoid conflicts.", host, alias)
 			servers[host].Alias = ""
 		}
 	}

internal/ingress/controller/nginx.go

@@ -61,8 +61,6 @@ import (
 	"k8s.io/ingress-nginx/internal/watch"
 )
 
-type statusModule string
-
 const (
 	ngxHealthPath = "/healthz"
 )
@@ -236,7 +234,6 @@ type NGINXController struct {
 
 	resolver []net.IP
 
-	// returns true if IPV6 is enabled in the pod
 	isIPV6Enabled bool
 
 	isShuttingDown bool
@@ -342,8 +339,8 @@ func (n *NGINXController) Stop() error {
 		n.syncStatus.Shutdown()
 	}
 
-	// Send stop signal to Nginx
-	glog.Info("stopping NGINX process...")
+	// send stop signal to NGINX
+	glog.Info("Stopping NGINX process")
 	cmd := nginxExecCommand("-s", "quit")
 	cmd.Stdout = os.Stdout
 	cmd.Stderr = os.Stderr
@@ -464,10 +461,10 @@ func (n *NGINXController) OnUpdate(ingressCfg ingress.Configuration) error {
 		n.Proxy.ServerList = servers
 	}
 
-	// NGINX cannot resize the hash tables used to store server names.
-	// For this reason we check if the defined size defined is correct
-	// for the FQDN defined in the ingress rules adjusting the value
-	// if is required.
+	// NGINX cannot resize the hash tables used to store server names. For
+	// this reason we check if the current size is correct for the host
+	// names defined in the Ingress rules and adjust the value if
+	// necessary.
 	// https://trac.nginx.org/nginx/ticket/352
 	// https://trac.nginx.org/nginx/ticket/631
 	var longestName int

test/e2e/framework/util.go

@@ -226,7 +226,7 @@ func fileInFS(file string, fs file.Filesystem) wait.ConditionFunc {
 		}
 
 		if stat == nil {
-			return false, fmt.Errorf("file %v does not exists", file)
+			return false, fmt.Errorf("file %v does not exist", file)
 		}
 
 		if stat.Size() > 0 {

test/e2e/servicebackend/service_backend.go

@@ -17,15 +17,19 @@ limitations under the License.
 package servicebackend
 
 import (
+	"strings"
+
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
+
 	"github.com/parnurzeal/gorequest"
+
 	corev1 "k8s.io/api/core/v1"
 	"k8s.io/api/extensions/v1beta1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/util/intstr"
+
 	"k8s.io/ingress-nginx/test/e2e/framework"
-	"strings"
 )
 
 var _ = framework.IngressNginxDescribe("Service backend - 503", func() {