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fetch.go
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fetch.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 (
"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/bitly/go-simplejson"
"sort"
)
// FetchApplication xxx
func (s *Scheduler) FetchApplication(ns, name string, kind bcstype.BcsDataType) (string, error) {
blog.V(3).Infof("fetch application (%s.%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 := s.GetHost() + "/v1/apps/" + ns + "/" + name + "?kind=" + string(kind)
blog.V(3).Infof("post a request to url(%s)", url)
reply, err := s.client.GET(url, nil, nil)
if err != nil {
blog.Error("get 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
}
// FetchApplicationVersion xxx
func (s *Scheduler) FetchApplicationVersion(ns, name, versionID string) (string, error) {
blog.V(3).Infof("fetch application (%s.%s) version (%s)", ns, name, versionID)
if "" == versionID {
verID, err := s.getLatestVersionId(ns, name)
if err != nil {
return err.Error(), err
}
versionID = verID
}
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 := s.GetHost() + "/v1/apps/" + ns + "/" + name + "/versions/" + versionID
blog.V(3).Infof("post a request to url(%s)", url)
reply, err := s.client.GET(url, nil, nil)
if err != nil {
blog.Error("get 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) getLatestVersionId(runAs, appId string) (string, error) {
url := s.GetHost() + "/v1/apps/" + runAs + "/" + appId + "/versions"
reply, err := s.client.GET(url, nil, nil)
if err != nil {
blog.Error("get request to url(%s) failed! err(%s)", url, err.Error())
err = bhttp.InternalError(common.BcsErrCommHttpDo, common.BcsErrCommHttpDoStr+err.Error())
return err.Error(), err
}
// {"result":true,"code":0,"message":"success","data":["1486469930525129787"]}
rpyJson, err := simplejson.NewJson(reply)
if err != nil {
blog.Error("parse respone from listversions failed! err:%s", err.Error())
err = bhttp.InternalError(common.BcsErrCommJsonDecode, common.BcsErrCommJsonDecodeStr+err.Error())
return err.Error(), err
}
verIDs, _ := rpyJson.Get("data").Array()
versionIDs := []string{}
for _, id := range verIDs {
switch id.(type) {
case string:
versionIDs = append(versionIDs, id.(string))
}
}
if len(versionIDs) <= 0 {
return "", bhttp.InternalError(common.BcsErrMesosDriverNoVersionId, common.BcsErrMesosDriverNoVersionIdStr)
}
sort.Strings(versionIDs)
return versionIDs[len(versionIDs)-1], nil
}