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add log exec and complate workloads

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This commit is contained in:
Ybehrooz
2025-07-31 19:55:28 +03:30
parent 6093149d5b
commit 97d1424fa7
2 changed files with 155 additions and 22 deletions
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174
handler/handler.go
View File

@@ -1,10 +1,12 @@
package handler
import (
"bytes"
"context"
"encoding/base64"
"encoding/json"
"fmt"
"io"
"log"
"main/argohandler"
"main/db"
@@ -15,6 +17,7 @@ import (
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
"k8s.io/kubectl/pkg/scheme"
// "github.com/gorilla/mux"
@@ -22,7 +25,9 @@ import (
"go.mongodb.org/mongo-driver/bson/primitive"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
"k8s.io/client-go/tools/remotecommand"
)
type Cluster struct {
@@ -93,9 +98,9 @@ type Jobs struct {
type Replicaset struct {
Name string `json:name`
Desired string `json:desired`
Current string `json:current`
Ready string `json:Ready`
Desired int32 `json:desired`
Current int32 `json:current`
Ready int32 `json:Ready`
Age string `json:age`
Namespace string `json:name`
}
@@ -103,9 +108,9 @@ type Replicaset struct {
type ReplicationController struct {
Namespace string `json:name`
Name string `json:name`
Desired string `json:desired`
Current string `json:current`
Ready string `json:Ready`
Desired int32 `json:desired`
Current int32 `json:current`
Ready int32 `json:Ready`
Age string `json:age`
}
@@ -209,27 +214,28 @@ func CreateClusterHandler(w http.ResponseWriter, r *http.Request) {
}
func getClientset(w http.ResponseWriter, clustername string) (*kubernetes.Clientset, error) {
func getClientset(w http.ResponseWriter, clustername string) (*kubernetes.Clientset, *rest.Config, error) {
kubeconfig, err := getClusterConfig(clustername)
if err != nil {
http.Error(w, "File to get kubeconfig", http.StatusInternalServerError)
return nil, err
return nil, nil, err
}
kubeconfigbyte := []byte(kubeconfig)
config, err := clientcmd.RESTConfigFromKubeConfig(kubeconfigbyte)
if err != nil {
log.Fatal("Error creating clientSet:", err)
log.Println("Error creating rest config:", err)
return nil, nil, err
}
clientset, err := kubernetes.NewForConfig(config)
if err != nil {
log.Fatal("Error creating clientSet:", err)
log.Println("Error creating clientSet:", err)
return nil, nil, err
}
return clientset, nil
return clientset, config, nil
}
func ListUserClusters(w http.ResponseWriter, r *http.Request) {
@@ -250,7 +256,7 @@ func Cluster_namespaces(w http.ResponseWriter, r *http.Request) {
return
}
clientset, err := getClientset(w, clustername)
clientset, _, err := getClientset(w, clustername)
if err != nil {
log.Fatal("Error getting clientset: ", err)
@@ -285,7 +291,7 @@ func Cluster_services(w http.ResponseWriter, r *http.Request) {
return
}
clientset, err := getClientset(w, clustername)
clientset, _, err := getClientset(w, clustername)
if err != nil {
log.Fatal("Error getting clientset: ", err)
@@ -335,7 +341,7 @@ func Cluster_statefulset(w http.ResponseWriter, r *http.Request) {
return
}
clientset, err := getClientset(w, clustername)
clientset, _, err := getClientset(w, clustername)
if err != nil {
log.Fatal("Error getting clientset: ", err)
@@ -383,7 +389,7 @@ func Cluster_daemonsets(w http.ResponseWriter, r *http.Request) {
return
}
clientset, err := getClientset(w, clustername)
clientset, _, err := getClientset(w, clustername)
if err != nil {
log.Fatal("Error getting clientset: ", err)
@@ -434,7 +440,7 @@ func Cluster_deployments(w http.ResponseWriter, r *http.Request) {
return
}
clientset, err := getClientset(w, clustername)
clientset, _, err := getClientset(w, clustername)
if err != nil {
log.Fatal("Error getting clientset: ", err)
@@ -494,7 +500,7 @@ func Cluster_pods(w http.ResponseWriter, r *http.Request) {
return
}
clientset, err := getClientset(w, clustername)
clientset, _, err := getClientset(w, clustername)
if err != nil {
log.Fatal("Error getting clientset: ", err)
@@ -586,7 +592,7 @@ func Cluster_jobs(w http.ResponseWriter, r *http.Request) {
return
}
clientset, err := getClientset(w, clustername)
clientset, _, err := getClientset(w, clustername)
if err != nil {
log.Fatal("Error getting Jobs: ", err)
@@ -605,6 +611,25 @@ func Cluster_jobs(w http.ResponseWriter, r *http.Request) {
for _, d := range jobs.Items {
job.Name = d.Name
job.Namespace = d.Namespace
status := "Active"
if d.Status.Succeeded > 0 {
status = "Complete"
} else if d.Status.Failed > 0 {
status = "Failed"
}
job.Status = status
completions := fmt.Sprintf("%d/%d", d.Status.Succeeded, *d.Spec.Completions)
job.Completion = completions
duration := "-"
if d.Status.StartTime != nil && d.Status.CompletionTime != nil {
d := d.Status.CompletionTime.Time.Sub(d.Status.StartTime.Time)
duration = d.String()
}
job.Duration = duration
age := now.Sub(d.CreationTimestamp.Time) // same as kubectl AGE
job.Age = human(age)
@@ -629,7 +654,7 @@ func Cluster_replicasets(w http.ResponseWriter, r *http.Request) {
return
}
clientset, err := getClientset(w, clustername)
clientset, _, err := getClientset(w, clustername)
if err != nil {
log.Fatal("Error getting replicasets: ", err)
@@ -648,6 +673,9 @@ func Cluster_replicasets(w http.ResponseWriter, r *http.Request) {
for _, d := range replicasets.Items {
replicaset.Name = d.Name
replicaset.Namespace = d.Namespace
replicaset.Desired = *d.Spec.Replicas
replicaset.Current = d.Status.Replicas
replicaset.Ready = d.Status.ReadyReplicas
age := now.Sub(d.CreationTimestamp.Time) // same as kubectl AGE
replicaset.Age = human(age)
Allreplicaset = append(Allreplicaset, replicaset)
@@ -671,7 +699,7 @@ func Cluster_replicationcontrollers(w http.ResponseWriter, r *http.Request) {
return
}
clientset, err := getClientset(w, clustername)
clientset, _, err := getClientset(w, clustername)
if err != nil {
log.Fatal("Error getting Replicationcontrollers: ", err)
@@ -713,7 +741,7 @@ func Cluster_cronjobs(w http.ResponseWriter, r *http.Request) {
return
}
clientset, err := getClientset(w, clustername)
clientset, _, err := getClientset(w, clustername)
if err != nil {
log.Fatal("Error getting Replicationcontrollers: ", err)
@@ -734,6 +762,11 @@ func Cluster_cronjobs(w http.ResponseWriter, r *http.Request) {
ReplicationController.Namespace = d.Namespace
age := now.Sub(d.CreationTimestamp.Time) // same as kubectl AGE
ReplicationController.Age = human(age)
ReplicationController.Desired = *d.Spec.Replicas
ReplicationController.Current = d.Status.Replicas
ReplicationController.Ready = d.Status.ReadyReplicas
AllreplicationController = append(AllreplicationController, ReplicationController)
}
@@ -744,3 +777,100 @@ func Cluster_cronjobs(w http.ResponseWriter, r *http.Request) {
json.NewEncoder(w).Encode(AllreplicationController)
}
func Pod_logs(w http.ResponseWriter, r *http.Request) {
clustername := r.URL.Query().Get("Name")
namespace := r.URL.Query().Get("Namespace")
podName := r.URL.Query().Get("Pod")
// containerName := podName
if clustername == "" {
http.Error(w, "Missing 'Name' parameter", http.StatusBadRequest)
return
}
clientset, _, err := getClientset(w, clustername)
if err != nil {
log.Fatal("Error getting Replicationcontrollers: ", err)
}
podLogOpts := corev1.PodLogOptions{}
req := clientset.CoreV1().Pods(namespace).GetLogs(podName, &podLogOpts)
podLogs, err := req.Stream(context.TODO())
if err != nil {
http.Error(w, "an error happend in getting logs", http.StatusBadRequest)
return
}
defer podLogs.Close()
buf := new([]byte)
*buf, err = io.ReadAll(podLogs)
if err != nil {
http.Error(w, "an error happend in getting logs", http.StatusBadRequest)
return
}
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(string(*buf))
}
func Pod_exec(w http.ResponseWriter, r *http.Request) {
clustername := r.URL.Query().Get("Name")
namespace := r.URL.Query().Get("Namespace")
podName := r.URL.Query().Get("Pod")
command := r.URL.Query().Get("Command")
if clustername == "" || namespace == "" || podName == "" {
http.Error(w, "Missing required parameters (Name, Namespace, Pod)", http.StatusBadRequest)
return
}
clientset, config, err := getClientset(w, clustername)
if err != nil {
http.Error(w, "Error getting Kubernetes clientset", http.StatusInternalServerError)
return
}
cmd := []string{command}
req := clientset.CoreV1().RESTClient().
Post().
Resource("pods").
Name(podName).
Namespace(namespace).
SubResource("exec").
VersionedParams(&corev1.PodExecOptions{
Command: cmd,
Stdout: true,
Stderr: true,
Stdin: false,
TTY: false,
}, scheme.ParameterCodec)
exec, err := remotecommand.NewSPDYExecutor(config, "POST", req.URL())
if err != nil {
http.Error(w, "Error creating executor: "+err.Error(), http.StatusInternalServerError)
return
}
var stdout, stderr bytes.Buffer
err = exec.StreamWithContext(r.Context(), remotecommand.StreamOptions{
Stdout: &stdout,
Stderr: &stderr,
Tty: false,
})
if err != nil {
http.Error(w, "Error streaming command output: "+err.Error(), http.StatusInternalServerError)
return
}
output := map[string]interface{}{
"stdout": strings.Split(strings.TrimSpace(stdout.String()), "\n"),
"stderr": strings.TrimSpace(stderr.String()),
}
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(output)
}

3
main.go
View File

@@ -140,6 +140,9 @@ func main() {
router.HandleFunc("/cluster_replicasets", handler.Cluster_replicasets)
router.HandleFunc("/cluster_replicationcontrollers", handler.Cluster_replicationcontrollers)
router.HandleFunc("/pod_logs", handler.Pod_logs)
router.HandleFunc("/pod_exec", handler.Pod_exec)
//handler.RegsiterClusterRoute(router)
// Enable CORS
c := cors.New(cors.Options{