Files
kubesphere/pkg/models/applications/applications.go
2019-06-20 16:23:24 +08:00

322 lines
9.8 KiB
Go

/*
Copyright 2019 The KubeSphere Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package applications
import (
"fmt"
"github.com/golang/glog"
appsv1 "k8s.io/api/apps/v1"
"k8s.io/api/core/v1"
"k8s.io/api/extensions/v1beta1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"kubesphere.io/kubesphere/pkg/constants"
"kubesphere.io/kubesphere/pkg/informers"
"kubesphere.io/kubesphere/pkg/models"
"kubesphere.io/kubesphere/pkg/models/resources"
"kubesphere.io/kubesphere/pkg/params"
"kubesphere.io/kubesphere/pkg/simple/client/k8s"
"kubesphere.io/kubesphere/pkg/simple/client/openpitrix"
"strings"
"time"
)
type Application struct {
Name string `json:"name" description:"application name"`
RepoName string `json:"repoName" description:"repo name"`
Runtime string `json:"namespace" description:"namespace"`
RuntimeId string `json:"runtime_id" description:"runtime id"`
Version string `json:"version" description:"application version"`
VersionId string `json:"version_id" description:"application version id"`
Status string `json:"status" description:"application status"`
UpdateTime time.Time `json:"updateTime" description:"update time"`
CreateTime time.Time `json:"createTime" description:"create name"`
App string `json:"app" description:"application template name"`
AppId string `json:"app_id" description:"application template id"`
Description string `json:"description,omitempty" description:"application description"`
WorkLoads *workLoads `json:"workloads,omitempty" description:"application workloads"`
Services []v1.Service `json:"services,omitempty" description:"application services"`
Ingresses []v1beta1.Ingress `json:"ingresses,omitempty" description:"application ingresses"`
ClusterID string `json:"cluster_id" description:"application id"`
}
type workLoads struct {
Deployments []appsv1.Deployment `json:"deployments,omitempty" description:"deployment list"`
Statefulsets []appsv1.StatefulSet `json:"statefulsets,omitempty" description:"statefulset list"`
Daemonsets []appsv1.DaemonSet `json:"daemonsets,omitempty" description:"daemonset list"`
}
func ListApplication(runtimeId string, conditions *params.Conditions, limit, offset int) (*models.PageableResponse, error) {
clusterList, err := openpitrix.ListClusters(runtimeId, conditions.Match["keyword"], conditions.Match["status"], limit, offset)
if err != nil {
return nil, err
}
result := models.PageableResponse{TotalCount: clusterList.Total}
result.Items = make([]interface{}, 0)
for _, item := range clusterList.Clusters {
var app Application
app.Name = item.Name
app.ClusterID = item.ClusterID
app.UpdateTime = item.UpdateTime
app.Status = item.Status
versionInfo, _ := openpitrix.GetVersion(item.VersionID)
app.Version = versionInfo
app.VersionId = item.VersionID
runtimeInfo, _ := openpitrix.GetRuntime(item.RunTimeId)
app.Runtime = runtimeInfo
app.RuntimeId = item.RunTimeId
appInfo, _, appId, _ := openpitrix.GetAppInfo(item.AppID)
app.App = appInfo
app.AppId = appId
app.Description = item.Description
result.Items = append(result.Items, app)
}
return &result, nil
}
func GetApp(clusterId string) (*Application, error) {
item, err := openpitrix.GetCluster(clusterId)
if err != nil {
glog.Error(err)
return nil, err
}
var app Application
app.Name = item.Name
app.ClusterID = item.ClusterID
app.UpdateTime = item.UpdateTime
app.CreateTime = item.CreateTime
app.Status = item.Status
versionInfo, _ := openpitrix.GetVersion(item.VersionID)
app.Version = versionInfo
app.VersionId = item.VersionID
runtimeInfo, _ := openpitrix.GetRuntime(item.RunTimeId)
app.Runtime = runtimeInfo
app.RuntimeId = item.RunTimeId
appInfo, repoId, appId, _ := openpitrix.GetAppInfo(item.AppID)
app.App = appInfo
app.AppId = appId
app.Description = item.Description
app.RepoName, _ = openpitrix.GetRepo(repoId)
workloads, err := getWorkLoads(app.Runtime, item.ClusterRoleSets)
if err != nil {
glog.Error(err)
return nil, err
}
app.WorkLoads = workloads
workloadLabels := getLabels(app.Runtime, app.WorkLoads)
app.Services = getSvcs(app.Runtime, workloadLabels)
app.Ingresses = getIng(app.Runtime, app.Services)
return &app, nil
}
func getWorkLoads(namespace string, clusterRoles []openpitrix.ClusterRole) (*workLoads, error) {
var works workLoads
for _, clusterRole := range clusterRoles {
workLoadName := clusterRole.Role
if len(workLoadName) > 0 {
if strings.HasSuffix(workLoadName, openpitrix.DeploySuffix) {
name := strings.Split(workLoadName, openpitrix.DeploySuffix)[0]
item, err := informers.SharedInformerFactory().Apps().V1().Deployments().Lister().Deployments(namespace).Get(name)
if err != nil {
// app not ready
if errors.IsNotFound(err) {
continue
}
glog.Error(err)
return nil, err
}
works.Deployments = append(works.Deployments, *item)
continue
}
if strings.HasSuffix(workLoadName, openpitrix.DaemonSuffix) {
name := strings.Split(workLoadName, openpitrix.DaemonSuffix)[0]
item, err := informers.SharedInformerFactory().Apps().V1().DaemonSets().Lister().DaemonSets(namespace).Get(name)
if err != nil {
// app not ready
if errors.IsNotFound(err) {
continue
}
glog.Error(err)
return nil, err
}
works.Daemonsets = append(works.Daemonsets, *item)
continue
}
if strings.HasSuffix(workLoadName, openpitrix.StateSuffix) {
name := strings.Split(workLoadName, openpitrix.StateSuffix)[0]
item, err := informers.SharedInformerFactory().Apps().V1().StatefulSets().Lister().StatefulSets(namespace).Get(name)
if err != nil {
// app not ready
if errors.IsNotFound(err) {
continue
}
glog.Error(err)
return nil, err
}
works.Statefulsets = append(works.Statefulsets, *item)
continue
}
}
}
return &works, nil
}
func getLabels(namespace string, workloads *workLoads) *[]map[string]string {
k8sClient := k8s.Client()
var workloadLables []map[string]string
if workloads == nil {
return nil
}
for _, workload := range workloads.Deployments {
deploy, err := k8sClient.AppsV1().Deployments(namespace).Get(workload.Name, metav1.GetOptions{})
if errors.IsNotFound(err) {
continue
}
workloadLables = append(workloadLables, deploy.Labels)
}
for _, workload := range workloads.Daemonsets {
daemonset, err := k8sClient.AppsV1().DaemonSets(namespace).Get(workload.Name, metav1.GetOptions{})
if errors.IsNotFound(err) {
continue
}
workloadLables = append(workloadLables, daemonset.Labels)
}
for _, workload := range workloads.Statefulsets {
statefulset, err := k8sClient.AppsV1().StatefulSets(namespace).Get(workload.Name, metav1.GetOptions{})
if errors.IsNotFound(err) {
continue
}
workloadLables = append(workloadLables, statefulset.Labels)
}
return &workloadLables
}
func isExist(svcs []v1.Service, svc v1.Service) bool {
for _, item := range svcs {
if item.Name == svc.Name && item.Namespace == svc.Namespace {
return true
}
}
return false
}
func getSvcs(namespace string, workLoadLabels *[]map[string]string) []v1.Service {
if len(*workLoadLabels) == 0 {
return nil
}
k8sClient := k8s.Client()
var services []v1.Service
for _, label := range *workLoadLabels {
labelSelector := labels.Set(label).AsSelector().String()
svcs, err := k8sClient.CoreV1().Services(namespace).List(metav1.ListOptions{LabelSelector: labelSelector})
if err != nil {
glog.Errorf("get app's svc failed, reason: %v", err)
}
for _, item := range svcs.Items {
if !isExist(services, item) {
services = append(services, item)
}
}
}
return services
}
func getIng(namespace string, services []v1.Service) []v1beta1.Ingress {
if services == nil {
return nil
}
var ings []v1beta1.Ingress
for _, svc := range services {
result, err := resources.ListResources(namespace, "ingress", &params.Conditions{Fuzzy: map[string]string{"serviceName": svc.Name}}, "", false, -1, 0)
if err != nil {
glog.Error(err)
return nil
}
glog.Error(result)
for _, i := range result.Items {
ingress := i.(*v1beta1.Ingress)
exist := false
var tmpRules []v1beta1.IngressRule
for _, rule := range ingress.Spec.Rules {
for _, p := range rule.HTTP.Paths {
if p.Backend.ServiceName == svc.Name {
exist = true
tmpRules = append(tmpRules, rule)
}
}
}
if exist {
ing := v1beta1.Ingress{}
ing.Name = ingress.Name
ing.Spec.Rules = tmpRules
ings = append(ings, ing)
}
}
}
return ings
}
func DeployApplication(namespace string, app openpitrix.CreateClusterRequest) error {
ns, err := informers.SharedInformerFactory().Core().V1().Namespaces().Lister().Get(namespace)
if err != nil {
glog.Errorf("deploy application failed: %+v", err)
return err
}
if runtimeId := ns.Annotations[constants.OpenPitrixRuntimeAnnotationKey]; runtimeId != "" {
app.RuntimeId = runtimeId
} else {
return fmt.Errorf("runtime not init: namespace %s", namespace)
}
return openpitrix.CreateCluster(app)
}
func DeleteApplication(clusterId string) error {
return openpitrix.DeleteCluster(openpitrix.DeleteClusterRequest{ClusterId: []string{clusterId}})
}