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/
daemon.go
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/
daemon.go
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/*
* Copyright The Dragonfly 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 daemon
import (
"context"
"os"
"github.com/dragonflyoss/Dragonfly/apis/types"
"github.com/dragonflyoss/Dragonfly/supernode/config"
"github.com/dragonflyoss/Dragonfly/supernode/plugins"
"github.com/dragonflyoss/Dragonfly/supernode/server"
"github.com/go-openapi/strfmt"
"github.com/prometheus/client_golang/prometheus"
"github.com/sirupsen/logrus"
)
// Daemon is a struct to identify main instance of supernode.
type Daemon struct {
Name string
config *config.Config
// members of the Supernode cluster
ClusterMember []string
server *server.Server
}
// New creates a new Daemon.
func New(cfg *config.Config, dfgetLogger *logrus.Logger) (*Daemon, error) {
if err := plugins.Initialize(cfg); err != nil {
return nil, err
}
s, err := server.New(cfg, dfgetLogger, prometheus.DefaultRegisterer)
if err != nil {
return nil, err
}
return &Daemon{
config: cfg,
server: s,
}, nil
}
// RegisterSuperNode registers the supernode as a peer.
func (d *Daemon) RegisterSuperNode() error {
// construct the PeerCreateRequest for supernode.
// TODO: add supernode version
hostname, _ := os.Hostname()
req := &types.PeerCreateRequest{
IP: strfmt.IPv4(d.config.AdvertiseIP),
HostName: strfmt.Hostname(hostname),
Port: int32(d.config.DownloadPort),
}
resp, err := d.server.PeerMgr.Register(context.Background(), req)
if err != nil {
return err
}
d.config.SetSuperPID(resp.ID)
return nil
}
// Run runs the daemon.
func (d *Daemon) Run() error {
if err := d.server.Start(); err != nil {
logrus.Errorf("failed to start HTTP server: %v", err)
return err
}
return nil
}