/
assets.go
194 lines (160 loc) · 3.78 KB
/
assets.go
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package assets
import (
"bytes"
"embed"
"fmt"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/serializer"
"text/template"
)
var (
//go:embed manifests/*
manifests embed.FS
//go:embed static/*
static embed.FS
appsScheme = runtime.NewScheme()
appsCodecs = serializer.NewCodecFactory(appsScheme)
)
func init() {
if err := appsv1.AddToScheme(appsScheme); err != nil {
panic(err)
}
if err := corev1.AddToScheme(appsScheme); err != nil {
panic(err)
}
}
func getTemplate(name string) (*template.Template, error) {
manifestBytes, err := manifests.ReadFile(fmt.Sprintf("manifests/%s.yaml", name))
if err != nil {
return nil, err
}
tmp := template.New(name)
parse, err := tmp.Parse(string(manifestBytes))
if err != nil {
return nil, err
}
return parse, nil
}
func getObject(name string, gv schema.GroupVersion, metadata any) (runtime.Object, error) {
parse, err := getTemplate(name)
if err != nil {
return nil, err
}
var buffer bytes.Buffer
err = parse.Execute(&buffer, metadata)
if err != nil {
return nil, err
}
object, err := runtime.Decode(
appsCodecs.UniversalDecoder(gv),
buffer.Bytes(),
)
return object, nil
}
func GetDeployment(namespace string, name string, port int, bundleUrl string) (*appsv1.Deployment, error) {
metadata := struct {
Namespace string
Name string
Port int
BundleUrl string
}{
Namespace: namespace,
Name: name,
Port: port,
BundleUrl: bundleUrl,
}
object, err := getObject("deployment", appsv1.SchemeGroupVersion, metadata)
if err != nil {
return nil, err
}
return object.(*appsv1.Deployment), nil
}
func GetService(namespace string, name string, port int) (*corev1.Service, error) {
metadata := struct {
Namespace string
Name string
Port int
}{
Namespace: namespace,
Name: name,
Port: port,
}
object, err := getObject("service", corev1.SchemeGroupVersion, metadata)
if err != nil {
return nil, err
}
return object.(*corev1.Service), nil
}
func GetPersistentVolumeClaim(namespace string, name string, storage uint64) (*corev1.PersistentVolumeClaim, error) {
metadata := struct {
Namespace string
Name string
Storage uint64
}{
Namespace: namespace,
Name: name,
Storage: storage,
}
object, err := getObject("pvc", corev1.SchemeGroupVersion, metadata)
if err != nil {
return nil, err
}
return object.(*corev1.PersistentVolumeClaim), nil
}
func GetPersistentVolumeClaimAssets(namespace string, name string, storage uint64) (*corev1.PersistentVolumeClaim, error) {
metadata := struct {
Namespace string
Name string
Storage uint64
}{
Namespace: namespace,
Name: name,
Storage: storage,
}
object, err := getObject("pvc-assets", corev1.SchemeGroupVersion, metadata)
if err != nil {
return nil, err
}
return object.(*corev1.PersistentVolumeClaim), nil
}
func GetConfigMap(namespace string, name string, bundle string) (*corev1.ConfigMap, error) {
metadata := struct {
Namespace string
Name string
Bundle string
}{
Namespace: namespace,
Name: name,
Bundle: bundle,
}
object, err := getObject("configmap", corev1.SchemeGroupVersion, metadata)
if err != nil {
return nil, err
}
return object.(*corev1.ConfigMap), nil
}
func GetIndex(bundle string) ([]byte, error) {
staticBytes, err := static.ReadFile("static/index.html")
if err != nil {
return nil, err
}
tmp := template.New("index")
parse, err := tmp.Parse(string(staticBytes))
if err != nil {
return nil, err
}
metadata := struct {
Bundle string
}{
Bundle: bundle,
}
var buffer bytes.Buffer
err = parse.Execute(&buffer, metadata)
if err != nil {
return nil, err
}
return buffer.Bytes(), nil
}