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cis.go
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cis.go
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package service
import (
"context"
"encoding/json"
"errors"
"fmt"
"time"
"github.com/KubeOperator/KubeOperator/pkg/constant"
"github.com/KubeOperator/KubeOperator/pkg/controller/page"
"github.com/KubeOperator/KubeOperator/pkg/db"
"github.com/KubeOperator/KubeOperator/pkg/dto"
"github.com/KubeOperator/KubeOperator/pkg/logger"
"github.com/KubeOperator/KubeOperator/pkg/model"
"github.com/KubeOperator/KubeOperator/pkg/repository"
clusterUtil "github.com/KubeOperator/KubeOperator/pkg/util/cluster"
uuid "github.com/satori/go.uuid"
v1 "k8s.io/api/batch/v1"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/client-go/kubernetes"
)
type CisService interface {
Page(num, size int, clusterName string) (*page.Page, error)
List(clusterName string) ([]dto.CisTask, error)
Create(clusterName string, create *dto.CisTaskCreate) (*dto.CisTask, error)
Delete(clusterName, id string) error
Get(clusterName, id string) (*dto.CisTaskDetail, error)
}
type cisService struct {
clusterRepo repository.ClusterRepository
clusterService ClusterService
}
func NewCisService() CisService {
return &cisService{
clusterRepo: repository.NewClusterRepository(),
clusterService: NewClusterService(),
}
}
func (c *cisService) Get(clusterName, id string) (*dto.CisTaskDetail, error) {
var cisTask model.CisTaskWithResult
if err := db.DB.First(&cisTask, &model.CisTaskWithResult{CisTask: model.CisTask{ID: id}}).Error; err != nil {
return nil, err
}
var report dto.CisReport
if err := json.Unmarshal([]byte(cisTask.Result), &report); err != nil {
return nil, err
}
cls, err := c.clusterService.Get(clusterName)
if err != nil {
return nil, err
}
d := &dto.CisTaskDetail{CisTaskWithResult: cisTask, CisReport: report}
d.ClusterName = cls.Name
d.ClusterVersion = cls.Version
return d, nil
}
func (*cisService) Page(num, size int, clusterName string) (*page.Page, error) {
var cluster model.Cluster
if err := db.DB.Where("name = ?", clusterName).First(&cluster).Error; err != nil {
return nil, err
}
p := page.Page{}
var tasks []model.CisTask
if err := db.DB.Model(&model.CisTask{}).
Where("cluster_id = ?", cluster.ID).
Count(&p.Total).
Order("created_at desc").
Offset((num - 1) * size).
Limit(size).
//Preload("Results").
Find(&tasks).Error; err != nil {
return nil, err
}
var dtos []dto.CisTask
for _, task := range tasks {
dtos = append(dtos, dto.CisTask{CisTask: task})
}
p.Items = dtos
return &p, nil
}
const (
CisTaskStatusCreating = "Creating"
CisTaskStatusRunning = "Running"
CisTaskStatusSuccess = "Success"
CisTaskStatusFailed = "Failed"
)
func (c *cisService) List(clusterName string) ([]dto.CisTask, error) {
var cluster model.Cluster
if err := db.DB.Where("name = ?", clusterName).First(&cluster).Error; err != nil {
return nil, err
}
var tasks []model.CisTask
if err := db.DB.
Where("cluster_id = ?", cluster.ID).
Preload("Results").
Find(&tasks).Error; err != nil {
return nil, err
}
var dtos []dto.CisTask
for _, task := range tasks {
dtos = append(dtos, dto.CisTask{CisTask: task})
}
return dtos, nil
}
func (c *cisService) Create(clusterName string, create *dto.CisTaskCreate) (*dto.CisTask, error) {
cluster, err := c.clusterRepo.GetWithPreload(clusterName, []string{"SpecConf", "Secret", "Nodes", "Nodes.Host", "Nodes.Host.Credential"})
if err != nil {
return nil, fmt.Errorf("load cluster info failed, err: %v", err.Error())
}
var registery model.SystemRegistry
if cluster.Architectures == constant.ArchAMD64 {
if err := db.DB.Where("architecture = ?", constant.ArchitectureOfAMD64).First(®istery).Error; err != nil {
return nil, fmt.Errorf("load image pull port of arm failed, err: %v", err.Error())
}
} else {
if err := db.DB.Where("architecture = ?", constant.ArchitectureOfARM64).First(®istery).Error; err != nil {
return nil, fmt.Errorf("load image pull port of arm failed, err: %v", err.Error())
}
}
localRepoPort := registery.RegistryPort
var clusterTasks []model.CisTask
db.DB.Where("status = ? AND cluster_id = ?", constant.StatusRunning, cluster.ID).Find(&clusterTasks)
if len(clusterTasks) > 0 {
return nil, errors.New("CIS_TASK_ALREADY_RUNNING")
}
tx := db.DB.Begin()
task := model.CisTask{
ClusterID: cluster.ID,
StartTime: time.Now(),
EndTime: time.Now(),
Policy: create.Policy,
Status: CisTaskStatusCreating,
}
err = tx.Create(&task).Error
if err != nil {
return nil, err
}
client, err := clusterUtil.NewClusterClient(&cluster)
if err != nil {
tx.Rollback()
return nil, err
}
tx.Commit()
go Do(client, &task, localRepoPort)
return &dto.CisTask{CisTask: task}, nil
}
func (c *cisService) Delete(clusterName, id string) error {
cluster, err := c.clusterRepo.Get(clusterName)
if err != nil {
return err
}
if err := db.DB.Where("id = ? AND cluster_id = ?", id, cluster.ID).Delete(&model.CisTask{}).Error; err != nil {
return err
}
return nil
}
const kubeBenchVersion = "v0.6.8"
func Do(client *kubernetes.Clientset, task *model.CisTask, port int) {
taskWithResult := &model.CisTaskWithResult{CisTask: *task}
taskWithResult.Status = CisTaskStatusRunning
db.DB.Save(&taskWithResult)
jobId := fmt.Sprintf("kube-bench-%s", uuid.NewV4().String())
j := v1.Job{
ObjectMeta: metav1.ObjectMeta{
Name: jobId,
},
Spec: v1.JobSpec{
Template: corev1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{Labels: map[string]string{"app": "kube-bench"}},
Spec: corev1.PodSpec{
HostPID: true,
RestartPolicy: "Never",
Containers: []corev1.Container{
{
Name: "kube-bench",
Image: fmt.Sprintf("%s:%d/kubeoperator/kube-bench:%s", constant.LocalRepositoryDomainName, port, kubeBenchVersion),
Command: []string{"kube-bench", "--json"},
VolumeMounts: []corev1.VolumeMount{
{
Name: "var-lib-etcd",
MountPath: "/var/lib/etcd",
ReadOnly: true,
},
{
Name: "var-lib-kubelet",
MountPath: "/var/lib/kubelet",
ReadOnly: true,
},
{
Name: "etc-systemd",
MountPath: "/etc/systemd",
ReadOnly: true,
},
{
Name: "etc-kubernetes",
MountPath: "/etc/kubernetes",
ReadOnly: true,
},
{
Name: "usr-bin",
MountPath: "/usr/local/mount-from-host/bin",
ReadOnly: true,
},
},
},
},
Volumes: []corev1.Volume{
{
Name: "var-lib-etcd",
VolumeSource: corev1.VolumeSource{
HostPath: &corev1.HostPathVolumeSource{
Path: "/var/lib/etcd",
},
},
},
{
Name: "var-lib-kubelet",
VolumeSource: corev1.VolumeSource{
HostPath: &corev1.HostPathVolumeSource{
Path: "/var/lib/kubelet",
},
},
},
{
Name: "etc-systemd",
VolumeSource: corev1.VolumeSource{
HostPath: &corev1.HostPathVolumeSource{
Path: "/etc/systemd",
},
},
},
{
Name: "etc-kubernetes",
VolumeSource: corev1.VolumeSource{
HostPath: &corev1.HostPathVolumeSource{
Path: "/etc/kubernetes",
},
},
},
{
Name: "usr-bin",
VolumeSource: corev1.VolumeSource{
HostPath: &corev1.HostPathVolumeSource{
Path: "/usr/bin",
},
},
},
},
},
},
},
}
if taskWithResult.Policy != "" && taskWithResult.Policy != "auto" {
j.Spec.Template.Spec.Containers[0].Command = append(j.Spec.Template.Spec.Containers[0].Command, "--benchmark", taskWithResult.Policy)
}
resp, err := client.BatchV1().Jobs(constant.DefaultNamespace).Create(context.TODO(), &j, metav1.CreateOptions{})
if err != nil {
taskWithResult.Message = err.Error()
taskWithResult.Status = CisTaskStatusFailed
db.DB.Save(&taskWithResult)
return
}
err = wait.Poll(5*time.Second, 5*time.Minute, func() (done bool, err error) {
job, err := client.BatchV1().Jobs(constant.DefaultNamespace).Get(context.TODO(), resp.Name, metav1.GetOptions{})
if err != nil {
return true, err
}
if job.Status.Succeeded > 0 {
pds, err := client.CoreV1().Pods(constant.DefaultNamespace).List(context.TODO(), metav1.ListOptions{
LabelSelector: fmt.Sprintf("job-name=%s", resp.Name),
})
if err != nil {
return true, err
}
for _, p := range pds.Items {
if p.Status.Phase == corev1.PodSucceeded {
r := client.CoreV1().Pods(constant.DefaultNamespace).GetLogs(p.Name, &corev1.PodLogOptions{})
bs, err := r.DoRaw(context.TODO())
if err != nil {
return true, err
}
taskWithResult.Result = string(bs)
var report dto.CisReport
if err := json.Unmarshal(bs, &report); err != nil {
return true, err
}
taskWithResult.TotalPass = report.Totals.TotalPass
taskWithResult.TotalFail = report.Totals.TotalFail
taskWithResult.TotalWarn = report.Totals.TotalWarn
taskWithResult.TotalInfo = report.Totals.TotalInfo
taskWithResult.Status = CisTaskStatusSuccess
taskWithResult.EndTime = time.Now()
db.DB.Save(&taskWithResult)
}
}
return true, nil
}
return false, nil
})
if err != nil {
taskWithResult.Message = err.Error()
taskWithResult.Status = CisTaskStatusFailed
taskWithResult.EndTime = time.Now()
db.DB.Save(&taskWithResult)
return
}
err = client.BatchV1().Jobs(constant.DefaultNamespace).Delete(context.TODO(), resp.Name, metav1.DeleteOptions{})
if err != nil {
logger.Log.Error(err.Error())
return
}
}