updated readme

documentation/kyverno-cli.md

@@ -61,6 +61,12 @@ Example:
 kyverno validate /path/to/policy1.yaml /path/to/policy2.yaml /path/to/folderFullOfPolicies -o yaml
 ```
 
+Policy can also be validated with CRDs. Use -c flag to pass the CRD, can pass multiple CRD files or even an entire folder containin CRDs.
+
+Example:
+```
+kyverno validate /path/to/policy1.yaml -c /path/to/crd.yaml -c /path/to/folderFullOfCRDs
+```
 
 #### Apply
 Applies policies on resources, and supports applying multiple policies on multiple resources in a single command.

pkg/kyverno/common/common.go

@@ -7,13 +7,14 @@ import (
 	"fmt"
 	"io"
 	"io/ioutil"
-	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"os"
 	"path/filepath"
 	"regexp"
-	yaml_v2 "sigs.k8s.io/yaml"
 	"strings"
 
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	yaml_v2 "sigs.k8s.io/yaml"
+
 	jsonpatch "github.com/evanphx/json-patch"
 	"github.com/go-logr/logr"
 	v1 "github.com/nirmata/kyverno/pkg/api/kyverno/v1"
@@ -249,6 +250,7 @@ func GetCRDs(paths []string) (unstructuredCrds []*unstructured.Unstructured, err
 			getCRDs, err := GetCRD(path)
 			if err != nil {
 				fmt.Printf("failed to extract crds: %s\n", err)
+				os.Exit(2)
 			}
 			unstructuredCrds = append(unstructuredCrds, getCRDs...)
 		}

pkg/kyverno/validate/command.go

@@ -56,6 +56,7 @@ func Command() *cobra.Command {
 
 				if err != nil {
 					log.Error(err, "crd is invalid", "file", crdPaths)
+					os.Exit(1)
 				}
 				for _, crd := range crds {
 					openAPIController.ParseCRD(*crd)