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agent.go
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agent.go
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/*
*
* * Copyright 2021 KubeClipper Authors.
* *
* * 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 agent
import (
"github.com/pkg/errors"
"github.com/txn2/txeh"
"github.com/kubeclipper/kubeclipper/cmd/kcctl/app/options"
"github.com/kubeclipper/kubeclipper/pkg/agent/config"
"github.com/kubeclipper/kubeclipper/pkg/logger"
"github.com/kubeclipper/kubeclipper/pkg/oplog"
"github.com/kubeclipper/kubeclipper/pkg/service"
"github.com/kubeclipper/kubeclipper/pkg/service/task"
)
type Server struct {
taskService service.Interface
Config *config.Config
}
func (s *Server) PrepareRun(stopCh <-chan struct{}) error {
opLog, err := oplog.NewOperationLog(s.Config.OpLogOptions)
if err != nil {
return err
}
err = configHosts(s.Config.Metadata.ProxyServer)
if err != nil {
return errors.WithMessage(err, "config hosts")
}
s.taskService = task.NewService(s.Config.AgentID, s.Config.Metadata.Region, s.Config.IPDetect, s.Config.NodeIPDetect, s.Config.RegisterNode, s.Config.MQOptions,
task.WithNodeStatusUpdateFrequency(s.Config.NodeStatusUpdateFrequency),
task.WithLeaseDurationSeconds(240),
task.WithOplog(opLog),
task.WithRepoMirror(s.Config.ImageProxyOptions.KcImageRepoMirror),
)
return s.taskService.PrepareRun(stopCh)
}
// config hosts if proxyServer specified.
func configHosts(proxyServer string) error {
hosts, err := txeh.NewHostsDefault()
if err != nil {
return err
}
if proxyServer != "" {
hosts.AddHost(proxyServer, options.NatsAltNameProxy)
} else {
hosts.RemoveHost(options.NatsAltNameProxy)
}
return hosts.Save()
}
func (s *Server) Run(stopCh <-chan struct{}) error {
if err := s.taskService.Run(stopCh); err != nil {
return err
}
<-stopCh
logger.Debugf("get stopCh signal, exit...")
s.taskService.Close()
return nil
}