Files
kubesphere/pkg/apiserver/tenant/tenant.go
2020-02-14 13:49:29 +08:00

436 lines
12 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 tenant
import (
"github.com/emicklei/go-restful"
"k8s.io/api/core/v1"
rbacv1 "k8s.io/api/rbac/v1"
k8serr "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/util/net"
"k8s.io/klog"
devopsv1alpha2 "kubesphere.io/kubesphere/pkg/api/devops/v1alpha2"
loggingv1alpha2 "kubesphere.io/kubesphere/pkg/api/logging/v1alpha2"
"kubesphere.io/kubesphere/pkg/apis/tenant/v1alpha1"
"kubesphere.io/kubesphere/pkg/apiserver/logging"
"kubesphere.io/kubesphere/pkg/constants"
"kubesphere.io/kubesphere/pkg/models/iam"
"kubesphere.io/kubesphere/pkg/models/metrics"
"kubesphere.io/kubesphere/pkg/models/resources"
"kubesphere.io/kubesphere/pkg/models/tenant"
"kubesphere.io/kubesphere/pkg/models/workspaces"
"kubesphere.io/kubesphere/pkg/server/errors"
"kubesphere.io/kubesphere/pkg/server/params"
"kubesphere.io/kubesphere/pkg/utils/sliceutil"
"net/http"
"strings"
)
func ListWorkspaceRules(req *restful.Request, resp *restful.Response) {
workspace := req.PathParameter("workspace")
username := req.HeaderParameter(constants.UserNameHeader)
rules, err := iam.GetUserWorkspaceSimpleRules(workspace, username)
if err != nil {
resp.WriteHeaderAndEntity(http.StatusInternalServerError, errors.Wrap(err))
return
}
resp.WriteAsJson(rules)
}
func ListWorkspaces(req *restful.Request, resp *restful.Response) {
username := req.HeaderParameter(constants.UserNameHeader)
orderBy := params.GetStringValueWithDefault(req, params.OrderByParam, resources.CreateTime)
limit, offset := params.ParsePaging(req)
reverse := params.GetBoolValueWithDefault(req, params.ReverseParam, false)
conditions, err := params.ParseConditions(req)
if err != nil {
resp.WriteHeaderAndEntity(http.StatusBadRequest, errors.Wrap(err))
return
}
result, err := tenant.ListWorkspaces(username, conditions, orderBy, reverse, limit, offset)
if err != nil {
resp.WriteHeaderAndEntity(http.StatusInternalServerError, errors.Wrap(err))
return
}
resp.WriteAsJson(result)
}
func DescribeWorkspace(req *restful.Request, resp *restful.Response) {
username := req.HeaderParameter(constants.UserNameHeader)
workspaceName := req.PathParameter("workspace")
result, err := tenant.DescribeWorkspace(username, workspaceName)
if err != nil {
klog.Errorf("describe workspace failed: %+v", err)
if k8serr.IsNotFound(err) {
resp.WriteHeaderAndEntity(http.StatusNotFound, errors.Wrap(err))
} else {
resp.WriteHeaderAndEntity(http.StatusInternalServerError, errors.Wrap(err))
}
return
}
resp.WriteAsJson(result)
}
func ListNamespacesByUsername(req *restful.Request, resp *restful.Response) {
ListNamespaces(req, resp)
}
func ListNamespaces(req *restful.Request, resp *restful.Response) {
workspace := req.PathParameter("workspace")
username := req.PathParameter("member")
// /workspaces/{workspace}/members/{username}/namespaces
if username == "" {
// /workspaces/{workspace}/namespaces
username = req.HeaderParameter(constants.UserNameHeader)
}
conditions, err := params.ParseConditions(req)
orderBy := params.GetStringValueWithDefault(req, params.OrderByParam, resources.CreateTime)
limit, offset := params.ParsePaging(req)
reverse := params.GetBoolValueWithDefault(req, params.ReverseParam, false)
if err != nil {
resp.WriteHeaderAndEntity(http.StatusBadRequest, errors.Wrap(err))
return
}
conditions.Match[constants.WorkspaceLabelKey] = workspace
result, err := tenant.ListNamespaces(username, conditions, orderBy, reverse, limit, offset)
if err != nil {
resp.WriteHeaderAndEntity(http.StatusInternalServerError, errors.Wrap(err))
return
}
namespaces := make([]*v1.Namespace, 0)
for _, item := range result.Items {
namespaces = append(namespaces, item.(*v1.Namespace).DeepCopy())
}
namespaces = metrics.GetNamespacesWithMetrics(namespaces)
items := make([]interface{}, 0)
for _, item := range namespaces {
items = append(items, item)
}
result.Items = items
resp.WriteAsJson(result)
}
func CreateNamespace(req *restful.Request, resp *restful.Response) {
workspaceName := req.PathParameter("workspace")
username := req.HeaderParameter(constants.UserNameHeader)
var namespace v1.Namespace
err := req.ReadEntity(&namespace)
if err != nil {
resp.WriteHeaderAndEntity(http.StatusBadRequest, errors.Wrap(err))
return
}
workspace, err := tenant.GetWorkspace(workspaceName)
err = checkResourceQuotas(workspace)
if err != nil {
resp.WriteHeaderAndEntity(http.StatusForbidden, errors.Wrap(err))
return
}
if err != nil {
if k8serr.IsNotFound(err) {
resp.WriteHeaderAndEntity(http.StatusForbidden, errors.Wrap(err))
} else {
resp.WriteHeaderAndEntity(http.StatusInternalServerError, errors.Wrap(err))
}
return
}
created, err := tenant.CreateNamespace(workspaceName, &namespace, username)
if err != nil {
if k8serr.IsAlreadyExists(err) {
resp.WriteHeaderAndEntity(http.StatusConflict, err)
} else {
resp.WriteHeaderAndEntity(http.StatusInternalServerError, err)
}
return
}
resp.WriteAsJson(created)
}
func DeleteNamespace(req *restful.Request, resp *restful.Response) {
workspaceName := req.PathParameter("workspace")
namespaceName := req.PathParameter("namespace")
err := workspaces.DeleteNamespace(workspaceName, namespaceName)
if err != nil {
resp.WriteHeaderAndEntity(http.StatusBadRequest, errors.Wrap(err))
return
}
resp.WriteAsJson(errors.None)
}
func checkResourceQuotas(wokrspace *v1alpha1.Workspace) error {
return nil
}
func ListDevopsProjectsByUsername(req *restful.Request, resp *restful.Response) {
ListDevopsProjects(req, resp)
}
func ListDevopsProjects(req *restful.Request, resp *restful.Response) {
workspace := req.PathParameter("workspace")
username := req.PathParameter("member")
if username == "" {
username = req.HeaderParameter(constants.UserNameHeader)
}
orderBy := req.QueryParameter(params.OrderByParam)
reverse := params.GetBoolValueWithDefault(req, params.ReverseParam, false)
limit, offset := params.ParsePaging(req)
conditions, err := params.ParseConditions(req)
if err != nil {
klog.Errorf("%+v", err)
errors.ParseSvcErr(restful.NewError(http.StatusBadRequest, err.Error()), resp)
return
}
result, err := tenant.ListDevopsProjects(workspace, username, conditions, orderBy, reverse, limit, offset)
if err != nil {
klog.Errorf("%+v", err)
errors.ParseSvcErr(err, resp)
return
}
resp.WriteAsJson(result)
}
func GetDevOpsProjectsCount(req *restful.Request, resp *restful.Response) {
username := req.HeaderParameter(constants.UserNameHeader)
result, err := tenant.GetDevOpsProjectsCount(username)
if err != nil {
klog.Errorf("%+v", err)
errors.ParseSvcErr(err, resp)
return
}
resp.WriteAsJson(struct {
Count uint32 `json:"count"`
}{Count: result})
}
func DeleteDevopsProject(req *restful.Request, resp *restful.Response) {
projectId := req.PathParameter("devops")
workspaceName := req.PathParameter("workspace")
username := req.HeaderParameter(constants.UserNameHeader)
_, err := tenant.GetWorkspace(workspaceName)
if err != nil {
klog.Errorf("%+v", err)
errors.ParseSvcErr(restful.NewError(http.StatusBadRequest, err.Error()), resp)
return
}
err = tenant.DeleteDevOpsProject(projectId, username)
if err != nil {
klog.Errorf("%+v", err)
errors.ParseSvcErr(err, resp)
return
}
resp.WriteAsJson(errors.None)
}
func CreateDevopsProject(req *restful.Request, resp *restful.Response) {
workspaceName := req.PathParameter("workspace")
username := req.HeaderParameter(constants.UserNameHeader)
var devops devopsv1alpha2.DevOpsProject
err := req.ReadEntity(&devops)
if err != nil {
klog.Infof("%+v", err)
errors.ParseSvcErr(restful.NewError(http.StatusBadRequest, err.Error()), resp)
return
}
klog.Infoln("create workspace", username, workspaceName, devops)
project, err := tenant.CreateDevopsProject(username, workspaceName, &devops)
if err != nil {
klog.Errorf("%+v", err)
errors.ParseSvcErr(err, resp)
return
}
resp.WriteAsJson(project)
}
func ListNamespaceRules(req *restful.Request, resp *restful.Response) {
namespace := req.PathParameter("namespace")
username := req.HeaderParameter(constants.UserNameHeader)
rules, err := iam.GetUserNamespaceSimpleRules(namespace, username)
if err != nil {
resp.WriteError(http.StatusInternalServerError, err)
return
}
resp.WriteAsJson(rules)
}
func ListDevopsRules(req *restful.Request, resp *restful.Response) {
devops := req.PathParameter("devops")
username := req.HeaderParameter(constants.UserNameHeader)
rules, err := tenant.GetUserDevopsSimpleRules(username, devops)
if err != nil {
klog.Errorf("%+v", err)
errors.ParseSvcErr(err, resp)
return
}
resp.WriteAsJson(rules)
}
func LogQuery(req *restful.Request, resp *restful.Response) {
operation := req.QueryParameter("operation")
req, err := regenerateLoggingRequest(req)
switch {
case err != nil:
resp.WriteHeaderAndEntity(http.StatusInternalServerError, errors.Wrap(err))
case req != nil:
logging.LoggingQueryCluster(req, resp)
default:
if operation == "export" {
resp.Header().Set(restful.HEADER_ContentType, "text/plain")
resp.Header().Set("Content-Disposition", "attachment")
resp.Write(nil)
} else {
resp.WriteAsJson(loggingv1alpha2.QueryResult{Read: new(loggingv1alpha2.ReadResult)})
}
}
}
// override namespace query conditions
func regenerateLoggingRequest(req *restful.Request) (*restful.Request, error) {
username := req.HeaderParameter(constants.UserNameHeader)
// regenerate the request for log query
newUrl := net.FormatURL("http", "127.0.0.1", 80, "/kapis/logging.kubesphere.io/v1alpha2/cluster")
values := req.Request.URL.Query()
clusterRules, err := iam.GetUserClusterRules(username)
if err != nil {
klog.Errorln(err)
return nil, err
}
hasClusterLogAccess := iam.RulesMatchesRequired(clusterRules, rbacv1.PolicyRule{Verbs: []string{"get"}, Resources: []string{"*"}, APIGroups: []string{"logging.kubesphere.io"}})
// if the user is not a cluster admin
if !hasClusterLogAccess {
queryNamespaces := strings.Split(req.QueryParameter("namespaces"), ",")
// then the user can only view logs of namespaces he belongs to
namespaces := make([]string, 0)
roles, err := iam.GetUserRoles("", username)
if err != nil {
klog.Errorln(err)
return nil, err
}
for _, role := range roles {
if !sliceutil.HasString(namespaces, role.Namespace) && iam.RulesMatchesRequired(role.Rules, rbacv1.PolicyRule{Verbs: []string{"get"}, Resources: []string{"*"}, APIGroups: []string{"logging.kubesphere.io"}}) {
namespaces = append(namespaces, role.Namespace)
}
}
// if the user belongs to no namespace
// then no log visible
if len(namespaces) == 0 {
return nil, nil
} else if len(queryNamespaces) == 1 && queryNamespaces[0] == "" {
values.Set("namespaces", strings.Join(namespaces, ","))
} else {
inter := intersection(queryNamespaces, namespaces)
if len(inter) == 0 {
return nil, nil
}
values.Set("namespaces", strings.Join(inter, ","))
}
}
newUrl.RawQuery = values.Encode()
// forward the request to logging model
newHttpRequest, _ := http.NewRequest(http.MethodGet, newUrl.String(), nil)
return restful.NewRequest(newHttpRequest), nil
}
func intersection(s1, s2 []string) (inter []string) {
hash := make(map[string]bool)
for _, e := range s1 {
hash[e] = true
}
for _, e := range s2 {
// If elements present in the hashmap then append intersection list.
if hash[e] {
inter = append(inter, e)
}
}
//Remove dups from slice.
inter = removeDups(inter)
return
}
//Remove dups from slice.
func removeDups(elements []string) (nodups []string) {
encountered := make(map[string]bool)
for _, element := range elements {
if !encountered[element] {
nodups = append(nodups, element)
encountered[element] = true
}
}
return
}