fixup! Represent GVK information as labels

Author: rexagod

docs/customresourcestate-metrics.md

@@ -116,7 +116,7 @@ spec:
 Produces the metric:
 
 ```prometheus
-uptime{group="myteam.io", kind="Foo", version="v1"} 43.21
+kube_uptime{group="myteam.io", kind="Foo", version="v1"} 43.21
 ```
 
 #### Multiple Metrics/Kitchen Sink
@@ -167,8 +167,8 @@ spec:
 Produces the following metrics:
 
 ```prometheus
-active_count{group="myteam.io", kind="Foo", version="v1", active="1",custom_metric="yes",foo="bar",name="foo",bar="baz",qux="quxx",type="type-a"} 1
-active_count{group="myteam.io", kind="Foo", version="v1", active="3",custom_metric="yes",foo="bar",name="foo",bar="baz",qux="quxx",type="type-b"} 3
+kube_active_count{group="myteam.io", kind="Foo", version="v1", active="1",custom_metric="yes",foo="bar",name="foo",bar="baz",qux="quxx",type="type-a"} 1
+kube_active_count{group="myteam.io", kind="Foo", version="v1", active="3",custom_metric="yes",foo="bar",name="foo",bar="baz",qux="quxx",type="type-b"} 3
 ```
 
 ### Metric types
@@ -203,7 +203,7 @@ spec:
 Produces the metric:
 
 ```prometheus
-uptime{group="myteam.io", kind="Foo", version="v1"} 43.21
+kube_uptime{group="myteam.io", kind="Foo", version="v1"} 43.21
 ```
 
 #### StateSet
@@ -235,9 +235,9 @@ The value will be 1, if the value matches the one in list.
 Produces the metric:
 
 ```prometheus
-status_phase{group="myteam.io", kind="Foo", version="v1", phase="Pending"} 1
-status_phase{group="myteam.io", kind="Foo", version="v1", phase="Bar"} 0
-status_phase{group="myteam.io", kind="Foo", version="v1", phase="Baz"} 0
+kube_status_phase{group="myteam.io", kind="Foo", version="v1", phase="Pending"} 1
+kube_status_phase{group="myteam.io", kind="Foo", version="v1", phase="Bar"} 0
+kube_status_phase{group="myteam.io", kind="Foo", version="v1", phase="Baz"} 0
 ```
 
 #### Info
@@ -267,7 +267,7 @@ spec:
 Produces the metric:
 
 ```prometheus
-version{group="myteam.io", kind="Foo", version="v1", version="v1.2.3"} 1
+kube_version{group="myteam.io", kind="Foo", version="v1", version="v1.2.3"} 1
 ```
 
 ### Naming

pkg/customresourcestate/config.go

@@ -64,7 +64,7 @@ type Resource struct {
 func (r Resource) GetMetricNamePrefix() string {
 	p := r.MetricNamePrefix
 	if p == nil {
-		return ""
+		return "kube"
 	}
 	return *p
 }

pkg/customresourcestate/registry_factory_test.go

@@ -324,7 +324,7 @@ func Test_fullName(t *testing.T) {
 				resource: r(nil),
 				f:        count,
 			},
-			want: "count",
+			want: "kube_count",
 		},
 		{
 			name: "no prefix",