Fix: fix EOF event when describing an application (#2134)

Fixed the issue: When component properties don't meet the parameter
of the ComponentDefinition, it will hit 'EOF' event

Co-authored-by: Jian.Li <74582607+leejanee@users.noreply.github.com>

Fix #2132

pkg/cue/model/instance.go

@@ -26,6 +26,7 @@ import (
 	"cuelang.org/go/cue/format"
 	"github.com/pkg/errors"
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/klog/v2"
 
 	"github.com/oam-dev/kubevela/pkg/cue/model/sets"
 )
@@ -67,7 +68,7 @@ func (inst *instance) Compile() ([]byte, error) {
 	}
 	// compiled object should be final and concrete value
 	if err := it.Value().Validate(cue.Concrete(true), cue.Final()); err != nil {
-		return nil, it.Err
+		return nil, err
 	}
 	return it.Value().MarshalJSON()
 }
@@ -77,14 +78,14 @@ func (inst *instance) Compile() ([]byte, error) {
 func (inst *instance) Unstructured() (*unstructured.Unstructured, error) {
 	jsonv, err := inst.Compile()
 	if err != nil {
-		return nil, err
+		klog.ErrorS(err, "failed to have the workload/trait unstructured", "Definition", inst.String())
+		return nil, errors.Wrap(err, "failed to have the workload/trait unstructured")
 	}
 	o := &unstructured.Unstructured{}
 	if err := o.UnmarshalJSON(jsonv); err != nil {
 		return nil, err
 	}
 	return o, nil
-
 }
 
 // Unify implement unity operations between instances

pkg/cue/model/instance_test.go

@@ -196,7 +196,7 @@ metadata: name: parameter.name
 `,
 	}
 	_, err = ins.Unstructured()
-	assert.Equal(t, err.Error(), fmt.Sprintf(`metadata.name: reference "%s" not found`, velacue.ParameterTag))
+	assert.Equal(t, err.Error(), fmt.Sprintf(`failed to have the workload/trait unstructured: metadata.name: reference "%s" not found`, velacue.ParameterTag))
 	ins = &instance{
 		v: `
 apiVersion: "apps/v1"
@@ -215,4 +215,20 @@ metadata: name: "abc"
 			},
 		},
 	})
+
+	ins = &instance{
+		v: `
+apiVersion: "source.toolkit.fluxcd.io/v1beta1"
+metadata: {
+	name: "grafana"
+}
+kind: "HelmRepository"
+spec: {
+	url:      string
+	interval: *"5m" | string
+}`,
+	}
+	o, err := ins.Unstructured()
+	assert.Nil(t, o)
+	assert.NotNil(t, err)
 }