all: fix contour-envoy-healthcheck typo

Fixes #158

Signed-off-by: Dave Cheney <dave@cheney.net>

apis/contour/v1beta1/ingressroute.go

@@ -86,7 +86,7 @@ type HealthCheck struct {
 	// HTTP endpoint used to perform health checks on upstream service
 	Path string `json:"path"`
 	// The value of the host header in the HTTP health check request.
-	// If left empty (default value), the name "contour-envoy-heathcheck"
+	// If left empty (default value), the name "contour-envoy-healthcheck"
 	// will be used.
 	Host string `json:"host"`
 	// The interval (seconds) between health checks

design/ingressroute-design.md

@@ -113,7 +113,7 @@ spec:
       weight: 50
       healthCheck (Optional):
         path: /healthz # HTTP endpoint used to perform health checks on upstream service (e.g. /healthz). It expects a 200 response if the host is healthy. The upstream host can return 503 if it wants to immediately notify downstream hosts to no longer forward traffic to it.
-        host: "contour-envoy-heathcheck" # The value of the host header in the HTTP health check request. If left empty (default value), the name "contour-envoy-heathcheck" will be used.
+        host: "contour-envoy-healthcheck" # The value of the host header in the HTTP health check request. If left empty (default value), the name "contour-envoy-healthcheck" will be used.
         intervalSeconds: 30 # The interval (seconds) between health checks. Defaults to 5 seconds if not set.
         timeoutSeconds: 60 # The time to wait (seconds) for a health check response. If the timeout is reached the health check attempt will be considered a failure. Defaults to 2 seconds if not set.
         unhealthyThresholdCount: 3 # The number of unhealthy health checks required before a host is marked unhealthy. Note that for http health checking if a host responds with 503 this threshold is ignored and the host is considered unhealthy immediately. Defaults to 3 if not defined.

internal/contour/cluster.go

@@ -36,7 +36,7 @@ const (
 	hcInterval           = 10 * time.Second
 	hcUnhealthyThreshold = 3
 	hcHealthyThreshold   = 2
-	hcHost               = "contour-envoy-heathcheck"
+	hcHost               = "contour-envoy-healthcheck"
 )
 
 // ClusterCache manages the contents of the gRPC CDS cache.

internal/contour/cluster_test.go

@@ -293,7 +293,7 @@ func TestClusterVisit(t *testing.T) {
 						HealthChecker: &core.HealthCheck_HttpHealthCheck_{
 							HttpHealthCheck: &core.HealthCheck_HttpHealthCheck{
 								Path: "/healthy",
-								Host: "contour-envoy-heathcheck",
+								Host: "contour-envoy-healthcheck",
 							},
 						},
 					}},
@@ -322,7 +322,7 @@ func TestClusterVisit(t *testing.T) {
 									IntervalSeconds:         98,
 									UnhealthyThresholdCount: 97,
 									HealthyThresholdCount:   96,
-									Host: "foo-bar-host",
+									Host:                    "foo-bar-host",
 								},
 							}},
 						}},