/
daemonset.go
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/
daemonset.go
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/*
* Tencent is pleased to support the open source community by making Blueking Container Service available.
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* Licensed under the MIT License (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
* http://opensource.org/licenses/MIT
* 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 v4http
import (
"encoding/json"
"fmt"
"github.com/Tencent/bk-bcs/bcs-common/common/util"
"github.com/emicklei/go-restful"
"github.com/Tencent/bk-bcs/bcs-common/common"
"github.com/Tencent/bk-bcs/bcs-common/common/blog"
bhttp "github.com/Tencent/bk-bcs/bcs-common/common/http"
bcstype "github.com/Tencent/bk-bcs/bcs-common/common/types"
"github.com/Tencent/bk-bcs/bcs-common/pkg/scheduler/schetypes"
)
func (s *Scheduler) createDaemonsetHandler(req *restful.Request, resp *restful.Response) {
// get http request body data
body, err := s.getRequestInfo(req)
if err != nil {
resp.Write([]byte(err.Error()))
return
}
// check whether daemonset type
err = util.CheckKind(bcstype.BcsDataType_Daemonset, body)
if err != nil {
blog.Error("fail to create daemonset(%s). err(%s)", string(body), err.Error())
err = bhttp.InternalError(common.BcsErrCommRequestDataErr, err.Error())
resp.Write([]byte(err.Error()))
return
}
reply, err := s.CreateDaemonset(body)
if err != nil {
blog.Error("fail to create daemonset. reply(%s), err(%s)", reply, err.Error())
resp.Write([]byte(err.Error()))
return
}
resp.Write([]byte(reply))
}
// CreateDaemonset xxx
func (s *Scheduler) CreateDaemonset(body []byte) (string, error) {
blog.Info("create daemonset. param(%s)", string(body))
var param bcstype.BcsDaemonset
// encoding param by json
if err := json.Unmarshal(body, ¶m); err != nil {
blog.Error("parse daemonset failed. param(%s), err(%s)", string(body), err.Error())
err = bhttp.InternalError(common.BcsErrCommJsonDecode, common.BcsErrCommJsonDecodeStr)
return err.Error(), err
}
// bcs-mesos-scheduler daemonset definition
def, err := s.newDaemonsetDefWithParam(¶m)
if err != nil {
return err.Error(), err
}
// post daemonset definition to bcs-mesos-scheduler,
data, _ := json.Marshal(def)
if s.GetHost() == "" {
blog.Error("no scheduler is connected by driver")
err := bhttp.InternalError(common.BcsErrCommHttpDo, common.BcsErrCommHttpDoStr+"scheduler not exist")
return err.Error(), err
}
url := fmt.Sprintf("%s/v1/daemonsets", s.GetHost())
blog.Info("post a request to url(%s), request:%s", url, string(data))
reply, err := s.client.POST(url, nil, data)
if err != nil {
blog.Error("post request to url(%s) failed! err(%s)", url, err.Error())
err = bhttp.InternalError(common.BcsErrCommHttpDo, common.BcsErrCommHttpDoStr+err.Error())
return err.Error(), err
}
return string(reply), nil
}
func (s *Scheduler) newDaemonsetDefWithParam(param *bcstype.BcsDaemonset) (*types.BcsDaemonsetDef, error) {
// check ObjectMeta is valid
err := param.MetaIsValid()
if err != nil {
return nil, err
}
// new daemonset definition
def := &types.BcsDaemonsetDef{
ObjectMeta: param.ObjectMeta,
}
// var version types.Version
version := &types.Version{
ID: "",
Instances: 0,
RunAs: "",
Container: []*types.Container{},
Labels: make(map[string]string),
Constraints: nil,
Uris: []string{},
Ip: []string{},
Mode: "",
}
// init version parameters
version.ObjectMeta = param.ObjectMeta
version.ID = param.Name
version.KillPolicy = ¶m.KillPolicy
version.RestartPolicy = ¶m.RestartPolicy
if version.RestartPolicy == nil {
version.RestartPolicy = &bcstype.RestartPolicy{}
}
// default onfailure restart policy
if version.RestartPolicy.Policy == "" {
version.RestartPolicy.Policy = bcstype.RestartPolicy_ONFAILURE
}
if version.RestartPolicy.Policy != bcstype.RestartPolicy_ONFAILURE &&
version.RestartPolicy.Policy != bcstype.RestartPolicy_ALWAYS &&
version.RestartPolicy.Policy != bcstype.RestartPolicy_NEVER {
blog.Error("error restart policy: %s", version.RestartPolicy.Policy)
replyErr := bhttp.InternalError(common.BcsErrMesosDriverParameterErr,
common.BcsErrMesosDriverParameterErrStr+"restart policy error")
return nil, replyErr
}
version.RunAs = param.NameSpace
version.Instances = int32(param.Spec.Instance)
for k, v := range param.Labels {
version.Labels[k] = v
}
// the version belongs daemonset
version.Kind = bcstype.BcsDataType_Daemonset
version, err = s.setVersionWithPodSpec(version, param.Spec.Template)
if err != nil {
return nil, err
}
def.Version = version
return def, nil
}
func (s *Scheduler) deleteDaemonsetHandler(req *restful.Request, resp *restful.Response) {
// namespace
ns := req.PathParameter("ns")
// daemonset name
name := req.PathParameter("name")
// whether enforce delete daemonset
enforce := req.QueryParameter("enforce")
reply, err := s.deleteDaemonset(ns, name, enforce)
if err != nil {
blog.Error("fail to delete daemonset namespace %s name %s. reply(%s), err(%s)", ns, name, reply, err.Error())
resp.Write([]byte(err.Error()))
return
}
resp.Write([]byte(reply))
}
func (s *Scheduler) deleteDaemonset(ns, name string, enforce string) (string, error) {
blog.Info("delete daemonset namespace %s name %s", ns, name)
if s.GetHost() == "" {
blog.Error("no scheduler is connected by driver")
err := bhttp.InternalError(common.BcsErrCommHttpDo, common.BcsErrCommHttpDoStr+"scheduler not exist")
return err.Error(), err
}
url := fmt.Sprintf("%s/v1/daemonsets/%s/%s?enforce=%s", s.GetHost(), ns, name, enforce)
blog.Info("post a request to url(%s), request: null", url)
reply, err := s.client.DELETE(url, nil, nil)
if err != nil {
blog.Error("post request to url(%s) failed! err(%s)", url, err.Error())
err = bhttp.InternalError(common.BcsErrCommHttpDo, common.BcsErrCommHttpDoStr+err.Error())
return err.Error(), err
}
return string(reply), nil
}