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manager.go
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manager.go
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// Copyright 2019-present Open Networking Foundation.
//
// 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 manager is is the main coordinator for the ONOS topology subsystem.
package manager
import (
"github.com/atomix/atomix-go-client/pkg/atomix"
"github.com/onosproject/onos-lib-go/pkg/logging"
"github.com/onosproject/onos-lib-go/pkg/northbound"
service "github.com/onosproject/onos-topo/pkg/northbound"
"github.com/onosproject/onos-topo/pkg/store"
"os"
)
var log = logging.GetLogger("manager")
// Config is a manager configuration
type Config struct {
CAPath string
KeyPath string
CertPath string
GRPCPort int
E2Port int
}
// NewManager creates a new manager
func NewManager(config Config) *Manager {
log.Info("Creating Manager")
return &Manager{
Config: config,
}
}
// Manager single point of entry for the topology system.
type Manager struct {
Config Config
}
// Run starts a synchronizer based on the devices and the northbound services.
func (m *Manager) Run() {
log.Info("Starting Manager")
if err := m.Start(); err != nil {
log.Fatal("Unable to run Manager", err)
}
}
// Start starts the manager
func (m *Manager) Start() error {
err := m.startNorthboundServer()
if err != nil {
return err
}
return nil
}
// startNorthboundServer starts the northbound gRPC server
func (m *Manager) startNorthboundServer() error {
s := northbound.NewServer(northbound.NewServerCfg(
m.Config.CAPath,
m.Config.KeyPath,
m.Config.CertPath,
int16(m.Config.GRPCPort),
true,
northbound.SecurityConfig{}))
atomixClient := atomix.NewClient(atomix.WithClientID(os.Getenv("POD_NAME")))
topoStore, err := store.NewAtomixStore(atomixClient)
if err != nil {
return err
}
s.AddService(logging.Service{})
s.AddService(service.NewService(topoStore))
doneCh := make(chan error)
go func() {
err := s.Serve(func(started string) {
log.Info("Started NBI on ", started)
close(doneCh)
})
if err != nil {
doneCh <- err
}
}()
return <-doneCh
}
// Close kills the channels and manager related objects
func (m *Manager) Close() {
log.Info("Closing Manager")
}