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deployment.go
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deployment.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"
"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"
)
// CreateDeployment create deployment, call scheduler create deployment api
func (s *Scheduler) CreateDeployment(body []byte) (string, error) {
blog.Info("create deployment. param(%s)", string(body))
var param bcstype.BcsDeployment
// encoding param by json
if err := json.Unmarshal(body, ¶m); err != nil {
blog.Error("parse parameters failed. param(%s), err(%s)", string(body), err.Error())
err = bhttp.InternalError(common.BcsErrCommJsonDecode, common.BcsErrCommJsonDecodeStr)
return err.Error(), err
}
// bcs-mesos-scheduler deploymentDef
deploymentDef, err := s.newDeploymentDefWithParam(¶m)
if err != nil {
return err.Error(), err
}
// store BcsDeployment original definition
deploymentDef.RawJson = ¶m
// post deploymentdef to bcs-mesos-scheduler,
data, err := json.Marshal(deploymentDef)
if err != nil {
blog.Error("marshal parameter deploymentDef by json failed. err:%s", err.Error())
err = bhttp.InternalError(common.BcsErrCommJsonEncode, common.BcsErrCommJsonEncodeStr+"encode deploymentDef by json")
return err.Error(), err
}
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
}
name := deploymentDef.ObjectMeta.Name
namespace := deploymentDef.ObjectMeta.NameSpace
url := fmt.Sprintf("%s/v1/deployment/%s/%s", s.GetHost(), namespace, name)
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
}
// UpdateDeployment do update deployment, call scheduler update deployment api
func (s *Scheduler) UpdateDeployment(body []byte, args string) (string, error) {
blog.Info("udpate deployment. param(%s)", string(body))
var param bcstype.BcsDeployment
// encoding param by json
if err := json.Unmarshal(body, ¶m); err != nil {
blog.Error("parse parameters failed. param(%s), err(%s)", string(body), err.Error())
err = bhttp.InternalError(common.BcsErrCommJsonDecode, common.BcsErrCommJsonDecodeStr)
return err.Error(), err
}
// bcs-mesos-scheduler deploymentDef
deploymentDef, err := s.newDeploymentDefWithParam(¶m)
if err != nil {
return err.Error(), err
}
// store BcsDeployment original definition
deploymentDef.RawJson = ¶m
// post deploymentdef to bcs-mesos-scheduler,
data, err := json.Marshal(deploymentDef)
if err != nil {
blog.Error("marshal parameter deploymentDef by json failed. err:%s", err.Error())
err = bhttp.InternalError(common.BcsErrCommJsonEncode, common.BcsErrCommJsonEncodeStr+"encode deploymentDef by json")
return err.Error(), err
}
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
}
name := deploymentDef.ObjectMeta.Name
namespace := deploymentDef.ObjectMeta.NameSpace
url := fmt.Sprintf("%s/v1/deployment/%s/%s?args=%s", s.GetHost(), namespace, name, args)
blog.Info("post a request to url(%s), request:%s", url, string(data))
reply, err := s.client.PUT(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) deleteDeployment(ns, name string, enforce string) (string, error) {
blog.Info("delete deployment 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/deployment/%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
}
func (s *Scheduler) cancelupdateDeployment(ns, name string) (string, error) {
blog.Info("cancelupdate deployment 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/deployment/%s/%s/cancelupdate", s.GetHost(), ns, name)
blog.Info("post a request to url(%s), request: null", url)
reply, err := s.client.POST(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
}
func (s *Scheduler) pauseupdateDeployment(ns, name string) (string, error) {
blog.Info("pauseupdate deployment 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/deployment/%s/%s/pauseupdate", s.GetHost(), ns, name)
blog.Info("post a request to url(%s), request: null", url)
reply, err := s.client.POST(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
}
func (s *Scheduler) resumeupdateDeployment(ns, name string) (string, error) {
blog.Info("resumeupdate deployment 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/deployment/%s/%s/resumeupdate", s.GetHost(), ns, name)
blog.Info("post a request to url(%s), request: null", url)
reply, err := s.client.POST(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
}
func (s *Scheduler) scaleDeployment(ns, name string, instances int) (string, error) {
blog.Info("scaleDeployment deployment namespace %s name %s instances %d", ns, name, instances)
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/deployment/%s/%s/scale/%d", s.GetHost(), ns, name, instances)
blog.Info("post a request to url(%s), request: null", url)
reply, err := s.client.PUT(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
}
func (s *Scheduler) newDeploymentDefWithParam(param *bcstype.BcsDeployment) (*types.DeploymentDef, error) {
// check ObjectMeta is valid
err := param.MetaIsValid()
if err != nil {
return nil, err
}
deploymentDef := &types.DeploymentDef{
ObjectMeta: param.ObjectMeta,
Selector: param.Spec.Selector,
Version: nil,
Strategy: param.Spec.Strategy,
}
// if template is nil, then this deployment is for binding old application
if param.Spec.Template == nil {
return deploymentDef, nil
}
// var version types.Version
version := &types.Version{
ID: "",
Instances: 0,
RunAs: "",
Container: []*types.Container{},
Process: []*bcstype.Process{},
Labels: make(map[string]string),
Constraints: nil,
Uris: []string{},
Ip: []string{},
Mode: "",
}
// blog.V(3).Infof("param: +%v", *param)
version.ObjectMeta = param.ObjectMeta
version.ID = param.Name
version.KillPolicy = ¶m.KillPolicy
version.RestartPolicy = ¶m.RestartPolicy
if version.RestartPolicy == nil {
version.RestartPolicy = &bcstype.RestartPolicy{}
}
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)
version.Constraints = param.Constraints
for k, v := range param.Labels {
version.Labels[k] = v
}
version, err = s.setVersionWithPodSpec(version, param.Spec.Template)
if err != nil {
return nil, err
}
deploymentDef.Version = version
return deploymentDef, nil
}