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main.go
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main.go
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//
// Copyright 2019 Insolar Technologies GmbH
//
// 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 main
import (
"encoding/json"
"io/ioutil"
"path/filepath"
"github.com/pkg/errors"
"github.com/spf13/cobra"
jww "github.com/spf13/jwalterweatherman"
"github.com/insolar/insolar/certificate"
"github.com/insolar/insolar/configuration"
"github.com/insolar/insolar/insolar"
"github.com/insolar/insolar/log"
"github.com/insolar/insolar/server"
"github.com/insolar/insolar/version"
)
func main() {
var (
configPath string
genesisConfigPath string
)
var rootCmd = &cobra.Command{
Use: "insolard",
Run: func(_ *cobra.Command, _ []string) {
runInsolardServer(configPath, genesisConfigPath)
},
}
rootCmd.Flags().StringVarP(&configPath, "config", "c", "", "path to config file")
rootCmd.Flags().StringVarP(&genesisConfigPath, "heavy-genesis", "", "", "path to genesis config for heavy node")
rootCmd.AddCommand(version.GetCommand("insolard"))
err := rootCmd.Execute()
if err != nil {
log.Fatal("insolard execution failed:", err)
}
}
// psAgentLauncher is a stub for gops agent launcher (available with 'debug' build tag)
var psAgentLauncher = func() error { return nil }
func runInsolardServer(configPath string, genesisConfigPath string) {
jww.SetStdoutThreshold(jww.LevelDebug)
role, err := readRole(configPath)
if err != nil {
log.Fatal(errors.Wrap(err, "readRole failed"))
}
if err := psAgentLauncher(); err != nil {
log.Warnf("Failed to launch gops agent: %s", err)
}
switch role {
case insolar.StaticRoleHeavyMaterial:
s := server.NewHeavyServer(configPath, genesisConfigPath)
s.Serve()
case insolar.StaticRoleLightMaterial:
s := server.NewLightServer(configPath)
s.Serve()
case insolar.StaticRoleVirtual:
s := server.NewVirtualServer(configPath)
s.Serve()
}
}
func readRole(path string) (insolar.StaticRole, error) {
var err error
cfg := configuration.NewHolder()
if len(path) != 0 {
err = cfg.LoadFromFile(path)
} else {
err = cfg.Load()
}
if err != nil {
return insolar.StaticRoleUnknown, errors.Wrap(err, "failed to load configuration from file")
}
data, err := ioutil.ReadFile(filepath.Clean(cfg.Configuration.CertificatePath))
if err != nil {
return insolar.StaticRoleUnknown, errors.Wrapf(
err,
"failed to read certificate from: %s",
cfg.Configuration.CertificatePath,
)
}
cert := certificate.AuthorizationCertificate{}
err = json.Unmarshal(data, &cert)
if err != nil {
return insolar.StaticRoleUnknown, errors.Wrap(err, "failed to parse certificate json")
}
return cert.GetRole(), nil
}