docs: Exclude test files from dockgen, make go.doc

docs/canonicalk8s/_parts/bootstrap_config.md

@@ -13,6 +13,16 @@ Configuration options for the network feature.
 Determines if the feature should be enabled.
 If omitted defaults to `true`
 
+### cluster-config.network.pod-cidr
+**Type:** `string`<br>
+
+PodCIDR is the CIDR range for the pods in the cluster.
+
+### cluster-config.network.service-cidr
+**Type:** `string`<br>
+
+ServiceCIDR is the CIDR range for the services in the cluster.
+
 ### cluster-config.dns
 **Type:** `object`<br>
 

src/k8s/pkg/docgen/godoc.go

@@ -6,7 +6,9 @@ import (
 	"go/doc"
 	"go/parser"
 	"go/token"
+	"io/fs"
 	"reflect"
+	"strings"
 )
 
 var packageDocCache = make(map[string]*doc.Package)
@@ -48,7 +50,11 @@ func getStructTypeFromDoc(packageDoc *doc.Package, structName string) (*ast.Stru
 
 func parsePackageDir(packageDir string) (*ast.Package, error) {
 	fset := token.NewFileSet()
-	packages, err := parser.ParseDir(fset, packageDir, nil, parser.ParseComments)
+	// NOTE(Hue): We only want to parse non-test files.
+	nonTestPackagesFilter := func(info fs.FileInfo) bool {
+		return !strings.HasSuffix(info.Name(), "_test.go")
+	}
+	packages, err := parser.ParseDir(fset, packageDir, nonTestPackagesFilter, parser.ParseComments)
 	if err != nil {
 		return nil, fmt.Errorf("couldn't parse go package: %s", packageDir)
 	}