/
kind.go
92 lines (77 loc) · 2.36 KB
/
kind.go
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// Copyright 2018 The Terraformer Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package kubernetes
import (
"context"
"reflect"
"github.com/GoogleCloudPlatform/terraformer/terraformutils"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
)
type Kind struct {
KubernetesService
Name string
Group string
Version string
Namespaced bool
}
// Generate TerraformResources from Kubernetes API,
// from each kubernetes object 1 TerraformResource.
// Use UID as the resource IDs.
func (k *Kind) InitResources() error {
config, _, err := initClientAndConfig()
if err != nil {
return err
}
clientset, err := kubernetes.NewForConfig(config)
if err != nil {
return err
}
group := reflect.ValueOf(clientset).MethodByName(
extractClientSetFuncGroupName(k.Group, k.Version)).Call(
[]reflect.Value{})[0]
param := []reflect.Value{}
namespace := ""
if k.Namespaced {
param = append(param, reflect.ValueOf(namespace))
}
resource := group.MethodByName(extractClientSetFuncTypeName(k.Name)).Call(param)[0]
results := resource.MethodByName("List").Call([]reflect.Value{reflect.ValueOf(context.Background()),
reflect.ValueOf(metav1.ListOptions{})})
if !results[1].IsNil() {
return results[1].Interface().(error)
}
items := reflect.Indirect(results[0]).FieldByName("Items")
for i := 0; i < items.Len(); i++ {
item := items.Index(i)
// Filter to resources that aren't owned by any other resource
if item.FieldByName("OwnerReferences").Len() > 0 {
continue
}
name := ""
if k.Namespaced {
name = item.FieldByName("Namespace").String() + "/" + item.FieldByName("Name").String()
} else {
name = item.FieldByName("Name").String()
}
k.Resources = append(k.Resources, terraformutils.NewSimpleResource(
name,
name,
extractTfResourceName(k.Name),
"kubernetes",
[]string{},
))
}
return nil
}