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rollback.go
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rollback.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"
"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"
"strconv"
)
// RollbackApplication application rollback implementation
func (s *Scheduler) RollbackApplication(body []byte, kind bcstype.BcsDataType) (string, error) {
blog.Info("rollback application. param(%s)", string(body))
var param bcstype.ReplicaController
// 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 version
version, err := s.newVersionWithParam(¶m)
if err != nil {
return err.Error(), err
}
// version.RawJson = ¶m
// post version to bcs-mesos-scheduler, /v1/apps
data, err := json.Marshal(version)
if err != nil {
blog.Error("marshal parameter version by json failed. err:%s", err.Error())
err = bhttp.InternalError(common.BcsErrCommJsonEncode, common.BcsErrCommJsonEncodeStr+"encode version by json")
return err.Error(), err
}
url := s.GetHost() + "/v1/apps/" + version.RunAs + "/" + version.ID + "/" + "update?instances=" + strconv.Itoa(int(
version.Instances)) + "&kind=" + string(kind)
blog.Info("post a request to url(%s), request:%s", url, string(data))
// reply, err := bhttp.Request(url, "POST", nil, strings.NewReader(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
}