Files
cloudpods/pkg/hostman/hosthandler/handler.go

109 lines
3.2 KiB
Go

// Copyright 2019 Yunion
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// 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 hosthandler
import (
"context"
"fmt"
"net/http"
"os"
"time"
"yunion.io/x/jsonutils"
"yunion.io/x/log"
"yunion.io/x/pkg/gotypes"
"yunion.io/x/pkg/utils"
"yunion.io/x/onecloud/pkg/appsrv"
"yunion.io/x/onecloud/pkg/hostman/hostinfo"
"yunion.io/x/onecloud/pkg/hostman/hostinfo/hostconsts"
"yunion.io/x/onecloud/pkg/hostman/hostutils"
"yunion.io/x/onecloud/pkg/httperrors"
"yunion.io/x/onecloud/pkg/mcclient/auth"
"yunion.io/x/onecloud/pkg/util/timeutils2"
)
type actionFunc func(context.Context, string, jsonutils.JSONObject) (interface{}, error)
var (
keyWords = []string{"hosts"}
)
func AddHostHandler(prefix string, app *appsrv.Application) {
for _, keyword := range keyWords {
for action, f := range map[string]actionFunc{
"sync": hostSync,
"probe-isolated-devices": hostProbeIsolatedDevices,
"shutdown-servers-on-host-down": setOnHostDown,
"restart-host-agent": hostRestart,
} {
app.AddHandler("POST",
fmt.Sprintf("%s/%s/<sid>/%s", prefix, keyword, action),
auth.Authenticate(hostActions(f)),
)
}
}
}
func setOnHostDown(ctx context.Context, hostId string, body jsonutils.JSONObject) (interface{}, error) {
if !body.Contains("shutdown_servers") {
return nil, httperrors.NewMissingParameterError("shutdown_servers")
}
if jsonutils.QueryBoolean(body, "shutdown_servers", false) {
hostinfo.Instance().SetOnHostDown(hostconsts.SHUTDOWN_SERVERS)
} else {
hostinfo.Instance().SetOnHostDown("")
}
return nil, nil
}
func hostActions(f actionFunc) appsrv.FilterHandler {
return func(ctx context.Context, w http.ResponseWriter, r *http.Request) {
params, _, body := appsrv.FetchEnv(ctx, w, r)
if body == nil {
body = jsonutils.NewDict()
}
var sid = params["<sid>"]
res, err := f(ctx, sid, body)
if err != nil {
hostutils.Response(ctx, w, err)
} else if !gotypes.IsNil(res) {
hostutils.Response(ctx, w, res)
} else {
hostutils.ResponseOk(ctx, w)
}
}
}
func hostSync(ctx context.Context, hostId string, body jsonutils.JSONObject) (interface{}, error) {
return hostinfo.Instance().UpdateSyncInfo(hostId, body)
}
func hostRestart(ctx context.Context, hostId string, body jsonutils.JSONObject) (interface{}, error) {
log.Infof("Received host restart request, going to restart host-agent.")
timeutils2.AddTimeout(time.Second*3, func() {
utils.DumpAllGoroutineStack(log.Logger().Out)
hostinfo.Stop()
hostutils.GetWorkManager().Stop()
os.Exit(1)
})
return nil, nil
}
func hostProbeIsolatedDevices(ctx context.Context, hostId string, body jsonutils.JSONObject) (interface{}, error) {
return hostinfo.Instance().ProbeSyncIsolatedDevices(hostId, body)
}