【修改】k8s 配置

This commit is contained in:
PandaGoAdmin
2022-01-22 17:07:04 +08:00
parent c6ebe89865
commit 33cc74711d
439 changed files with 9936 additions and 21687 deletions

View File

@@ -0,0 +1,149 @@
package service
import (
"context"
"errors"
"fmt"
"pandax/base/global"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
"pandax/apps/devops/entity/k8s"
k8scommon "pandax/apps/devops/services/k8s/common"
"pandax/apps/devops/services/k8s/dataselect"
"strings"
)
// Service is a representation of a service.
type Service struct {
ObjectMeta k8s.ObjectMeta `json:"objectMeta"`
TypeMeta k8s.TypeMeta `json:"typeMeta"`
// InternalEndpoint of all Kubernetes services that have the same label selector as connected Replication
// Controller. Endpoint is DNS name merged with ports.
InternalEndpoint k8scommon.Endpoint `json:"internalEndpoint"`
// ExternalEndpoints of all Kubernetes services that have the same label selector as connected Replication
// Controller. Endpoint is external IP address name merged with ports.
ExternalEndpoints []k8scommon.Endpoint `json:"externalEndpoints"`
// Label selector of the service.
Selector map[string]string `json:"selector"`
// Type determines how the service will be exposed. Valid options: ClusterIP, NodePort, LoadBalancer, ExternalName
Type v1.ServiceType `json:"type"`
// ClusterIP is usually assigned by the master. Valid values are None, empty string (""), or
// a valid IP address. None can be specified for headless services when proxying is not required
ClusterIP string `json:"clusterIP"`
}
// ServiceList contains a list of services in the cluster.
type ServiceList struct {
ListMeta k8s.ListMeta `json:"listMeta"`
// Unordered list of services.
Services []Service `json:"services"`
}
// GetServiceList returns a list of all services in the cluster.
func GetServiceList(client *kubernetes.Clientset, nsQuery *k8scommon.NamespaceQuery, dsQuery *dataselect.DataSelectQuery) (*ServiceList, error) {
global.Log.Info("Getting list of all services in the cluster")
channels := &k8scommon.ResourceChannels{
ServiceList: k8scommon.GetServiceListChannel(client, nsQuery, 1),
}
return GetServiceListFromChannels(channels, dsQuery)
}
// GetServiceListFromChannels returns a list of all services in the cluster.
func GetServiceListFromChannels(channels *k8scommon.ResourceChannels, dsQuery *dataselect.DataSelectQuery) (*ServiceList, error) {
services := <-channels.ServiceList.List
err := <-channels.ServiceList.Error
if err != nil {
return nil, err
}
return CreateServiceList(services.Items, dsQuery), nil
}
func ToService(service *v1.Service) Service {
return Service{
ObjectMeta: k8s.NewObjectMeta(service.ObjectMeta),
TypeMeta: k8s.NewTypeMeta(k8s.ResourceKindService),
InternalEndpoint: k8scommon.GetInternalEndpoint(service.Name, service.Namespace, service.Spec.Ports),
ExternalEndpoints: k8scommon.GetExternalEndpoints(service),
Selector: service.Spec.Selector,
ClusterIP: service.Spec.ClusterIP,
Type: service.Spec.Type,
}
}
// CreateServiceList returns paginated service list based on given service array and pagination query.
func CreateServiceList(services []v1.Service, dsQuery *dataselect.DataSelectQuery) *ServiceList {
serviceList := &ServiceList{
Services: make([]Service, 0),
ListMeta: k8s.ListMeta{TotalItems: len(services)},
}
serviceCells, filteredTotal := dataselect.GenericDataSelectWithFilter(toCells(services), dsQuery)
services = fromCells(serviceCells)
serviceList.ListMeta = k8s.ListMeta{TotalItems: filteredTotal}
for _, service := range services {
serviceList.Services = append(serviceList.Services, ToService(&service))
}
return serviceList
}
func DeleteService(client *kubernetes.Clientset, ns string, serviceName string) error {
global.Log.Info(fmt.Sprintf("请求删除Service: %v, namespace: %v", serviceName, ns))
return client.CoreV1().Services(ns).Delete(
context.TODO(),
serviceName,
metav1.DeleteOptions{},
)
}
func DeleteCollectionService(client *kubernetes.Clientset, serviceList []k8s.ServiceData) (err error) {
global.Log.Info("批量删除service开始")
for _, v := range serviceList {
global.Log.Info(fmt.Sprintf("delete service%v, ns: %v", v.Name, v.Namespace))
err := client.CoreV1().Services(v.Namespace).Delete(
context.TODO(),
v.Name,
metav1.DeleteOptions{},
)
if err != nil {
global.Log.Error(err.Error())
return err
}
}
global.Log.Info("删除service已完成")
return nil
}
func GetToService(client *kubernetes.Clientset, namespace string, name string) (*ServiceList, error) {
serviceList := &ServiceList{
Services: make([]Service, 0),
}
svcList, err := client.CoreV1().Services(namespace).List(context.TODO(), metav1.ListOptions{})
global.Log.Info("开始获取svc")
if err != nil {
return nil, err
}
for _, svc := range svcList.Items {
if strings.Contains(svc.Name, name) {
serviceList.Services = append(serviceList.Services, ToService(&svc))
serviceList.ListMeta = k8s.ListMeta{
TotalItems: len(serviceList.Services),
}
return serviceList, nil
}
}
global.Log.Warn(fmt.Sprintf("没有找到所关联的SVCnamespace: %s, name: %s", namespace, name))
return nil, errors.New("没有找到所关联的SVC")
}