Kubernetes资源Yamls的K8s Go客户端代码生成器
Kubernetes资源Yamls的K8s Go客户端代码生成器
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详细介绍
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kyaml2go (Pronounced as camel2go
Go client code generator from Kubernetes resource specs yaml
Supported resources
List of supported Kinds and Groups can be found here: https://github.com/PrasadG193/kyaml2go/blob/master/pkg/kube/map.go#L38
Installation
Install From Source
Step 1: Clone the repo
$ git clone https://github.com/PrasadG193/kyaml2go.git
Step 2: Build binary using make
$ make
Step 3: Convert K8s specs into Go client code
$ cat testdata/service.yaml
apiVersion: v1
kind: Service
metadata:
name: mysql-service
labels:
app: mysql
spec:
ports:
- name: server
port: 8080
targetPort: 5000
protocol: TCP
type: ClusterIP
selector:
app: mysql
$ kyaml2go create -f testdata/service.yaml
// Auto-generated by kyaml2go - https://github.com/PrasadG193/kyaml2go
package main
import (
"fmt"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/tools/clientcmd"
"k8s.io/client-go/util/homedir"
"os"
"path/filepath"
)
func main() {
// Create client
var kubeconfig string
kubeconfig, ok := os.LookupEnv("KUBECONFIG")
if !ok {
kubeconfig = filepath.Join(homedir.HomeDir(), ".kube", "config")
}
config, err := clientcmd.BuildConfigFromFlags("", kubeconfig)
if err != nil {
panic(err)
}
clientset, err := kubernetes.NewForConfig(config)
if err != nil {
panic(err)
}
kubeclient := clientset.CoreV1().Services("default")
// Create resource object
object := &corev1.Service{
TypeMeta: metav1.TypeMeta{
Kind: "Service",
APIVersion: "v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: "mysql-service",
Labels: map[string]string{
"app": "mysql",
},
},
Spec: corev1.ServiceSpec{
Ports: []corev1.ServicePort{
corev1.ServicePort{
Name: "server",
Protocol: corev1.Protocol("TCP"),
Port: 8080,
TargetPort: intstr.IntOrString{
Type: intstr.Type(0),
IntVal: 5000,
},
NodePort: 0,
},
},
Selector: map[string]string{
"app": "mysql",
},
Type: corev1.ServiceType("ClusterIP"),
HealthCheckNodePort: 0,
},
}
// Manage resource
_, err = kubeclient.Create(object)
if err != nil {
panic(err)
}
fmt.Println("Service Created successfully!")
}
Usage
kyaml2go is available at https://kyaml2go.prasadg.dev
Alternatively, you can also use CLI to generate code
CLI
$ kyaml2go --help
NAME:
kyaml2go - Generate go code to manage Kubernetes resources using go-client sdks
USAGE:
kyaml2go [global options] command [command options] [arguments...]
VERSION:
0.0.0
COMMANDS:
create Generate code for creating a resource
update Generate code for updating a resource
get Generate code to get a resource object
delete Generate code for deleting a resource
help, h Shows a list of commands or help for one command
GLOBAL OPTIONS:
--help, -h show help
--version, -v print the version
$ kyaml2go create/get/update/delete -f /path/to/resource_specs.yaml
Workflow/Algorithm:
End-to-end workflow and algorithm to find imports can be found here
Contributing
We love your input! We want to make contributing to this project as easy and transparent as possible, whether it's:
- Reporting a bug
- Discussing the current state of the code
- Submitting a fix
- Proposing new features
Credits
The Go Gopher is originally by Renee French
This artwork is borrowed from an awesome artwork collection by Egon Elbre
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