/
host.go
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/
host.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 api
import (
"github.com/Tencent/bk-bcs/bcs-common/common/blog"
types "github.com/Tencent/bk-bcs/bcs-common/pkg/bcsapi/netservice"
"github.com/Tencent/bk-bcs/bcs-services/bcs-netservice/netservice"
"net/http"
"time"
restful "github.com/emicklei/go-restful"
)
//RegisterHostHandler init host url info
func RegisterHostHandler(httpSvr *HTTPService, logic *netservice.NetService) *HostHandler {
handler := &HostHandler{
netSvr: logic,
}
webSvr := new(restful.WebService)
//add http handler
webSvr.Path("/v1/host").Consumes(restful.MIME_JSON).Produces(restful.MIME_JSON)
webSvr.Route(webSvr.POST("").To(handler.Add))
webSvr.Route(webSvr.DELETE("/{host}").To(handler.Delete))
//update by host ip
webSvr.Route(webSvr.PUT("/{host}").To(handler.Update))
//get all host info
webSvr.Route(webSvr.GET("").To(handler.List))
//get host by ip
webSvr.Route(webSvr.GET("/{host}").To(handler.ListByID))
httpSvr.Register(webSvr)
return handler
}
//HostHandler for http host handler
type HostHandler struct {
netSvr *netservice.NetService
}
//Add add host to ip pool
func (host *HostHandler) Add(request *restful.Request, response *restful.Response) {
started := time.Now()
netReq := &types.NetRequest{}
if err := request.ReadEntity(netReq); err != nil {
response.AddHeader("Content-Type", "text/plain")
blog.Errorf("HostHandler [Add] json decode Err: %s", err.Error())
response.WriteErrorString(http.StatusBadRequest, err.Error())
reportMetrics("addHostToIPPool", "4xx", started)
return
}
netRes := &types.NetResponse{
Type: types.RequestType_HOST,
}
if netReq.Type != types.RequestType_HOST || netReq.Host == nil {
netRes.Code = 1
netRes.Message = "Request type err or Host info lost"
blog.Errorf("HostHandler POST check request type/info, but got unexpect type %d", netReq.Type)
response.WriteEntity(netRes)
reportMetrics("addHostToIPPool", "4xx", started)
return
}
//check host data
if !netReq.Host.IsValid() {
netRes.Code = 1
netRes.Message = "Request host data lost"
blog.Errorf("HostHandler Post check request data lost! host %s, pool %s", netReq.Host.IPAddr, netReq.Host.Pool)
response.WriteEntity(netRes)
reportMetrics("addHostToIPPool", "4xx", started)
return
}
if err := host.netSvr.AddHost(netReq.Host); err != nil {
netRes.Code = 1
netRes.Message = err.Error()
response.WriteEntity(netRes)
reportMetrics("addHostToIPPool", "5xx", started)
return
}
netRes.Code = 0
netRes.Message = SUCCESS
response.WriteEntity(netRes)
blog.Infof("HostHandler Post %s success.", netReq.Host.IPAddr)
reportMetrics("addHostToIPPool", "2xx", started)
}
//Delete delete specified by host IPaddress, also clean IPAddress assign to this host
func (host *HostHandler) Delete(request *restful.Request, response *restful.Response) {
started := time.Now()
hostIP := request.PathParameter("host")
netReq := &types.NetRequest{}
if err := request.ReadEntity(netReq); err != nil {
response.AddHeader("Content-Type", "text/plain")
blog.Errorf("HostHandler [Delete] json decode Err: %s", err.Error())
response.WriteErrorString(http.StatusBadRequest, err.Error())
reportMetrics("deleteHostFromIPPool", "4xx", started)
return
}
netRes := &types.NetResponse{
Type: types.ResponseType_HOST,
}
if err := host.netSvr.DeleteHost(hostIP, netReq.IPs); err != nil {
netRes.Code = 1
netRes.Message = err.Error()
blog.Errorf("HostHandler DELETE host %s failed, %s", hostIP, err)
response.WriteEntity(netRes)
reportMetrics("deleteHostFromIPPool", "5xx", started)
return
}
blog.Infof("HostHandler Delete host %s success.", hostIP)
netRes.Code = 0
netRes.Message = SUCCESS
response.WriteEntity(netRes)
reportMetrics("deleteHostFromIPPool", "2xx", started)
}
//Update update pool by ip segment
func (host *HostHandler) Update(request *restful.Request, response *restful.Response) {
blog.Warn("#######HostHandler [Update] Not implemented#######")
response.AddHeader("Content-Type", "text/plain")
response.WriteErrorString(http.StatusForbidden, "Not implemented")
}
//List list all pools
func (host *HostHandler) List(request *restful.Request, response *restful.Response) {
started := time.Now()
//list all hosts
netRes := &types.NetResponse{
Type: types.ResponseType_HOST,
}
allHosts, err := host.netSvr.ListHost()
if err != nil {
blog.Errorf("HostHandler List all request err: %s", err.Error())
netRes.Code = 1
netRes.Message = err.Error()
response.WriteEntity(netRes)
reportMetrics("listHostFromIPPool", "5xx", started)
return
}
netRes.Code = 0
netRes.Message = SUCCESS
netRes.Host = allHosts
netRes.Data = netRes.Host
blog.Infof("Hosthandler client %s Get all host success", request.Request.RemoteAddr)
if err := response.WriteEntity(netRes); err != nil {
blog.Errorf("HostHandler reply client GET request Err: %v", err)
}
reportMetrics("listHostFromIPPool", "2xx", started)
}
//ListByID list host by ip
func (host *HostHandler) ListByID(request *restful.Request, response *restful.Response) {
started := time.Now()
//list host by host ip
ip := request.PathParameter("host")
netRes := &types.NetResponse{
Type: types.ResponseType_HOST,
}
hostInfo, err := host.netSvr.ListHostByKey(ip)
if err != nil {
blog.Errorf("HostHandler list host %s request err: %s", ip, err.Error())
netRes.Code = 1
netRes.Message = err.Error()
response.WriteEntity(netRes)
reportMetrics("listHostInfoFromIPPool", "5xx", started)
return
}
netRes.Code = 0
netRes.Message = SUCCESS
netRes.Host = append(netRes.Host, hostInfo)
netRes.Data = netRes.Host
blog.Infof("Hosthandler client %s Get host %s success", request.Request.RemoteAddr, ip)
if err := response.WriteEntity(netRes); err != nil {
blog.Errorf("HostHandler reply client GET/%s request Err: %v", ip, err)
}
reportMetrics("listHostInfoFromIPPool", "2xx", started)
}