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main.go
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main.go
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// IRIS Endpoint-Server (EPS)
// Copyright (C) 2021-2021 The IRIS Endpoint-Server Authors (see AUTHORS.md)
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package main
import (
"github.com/iris-connect/eps"
cmdHelpers "github.com/iris-connect/eps/cmd/helpers"
"github.com/iris-connect/eps/definitions"
"github.com/iris-connect/eps/helpers"
"github.com/iris-connect/eps/metrics"
"github.com/iris-connect/eps/sd"
sdHelpers "github.com/iris-connect/eps/sd/helpers"
"github.com/urfave/cli"
"os"
"os/signal"
"syscall"
)
func CLI(settings *sd.Settings) {
var err error
app := cli.NewApp()
app.Name = "Service Directory"
app.Usage = "Run all service directory commands"
app.Flags = cmdHelpers.CommonFlags
bareCommands := append([]cli.Command{
{
Name: "run",
Flags: []cli.Flag{},
Usage: "Run the service directory.",
Action: func(c *cli.Context) error {
eps.Log.Info("Starting the service directory...")
server, err := sd.MakeServer(settings)
if err != nil {
eps.Log.Fatal(err)
}
if err := server.Start(); err != nil {
eps.Log.Fatal(err)
}
metricsServer := metrics.MakePrometheusMetricsServer(settings.Metrics)
// we wait for CTRL-C / Interrupt
sigchan := make(chan os.Signal, 1)
signal.Notify(sigchan, syscall.SIGINT, syscall.SIGTERM)
eps.Log.Info("Waiting for CTRL-C...")
<-sigchan
eps.Log.Info("Stopping directory...")
if err := server.Stop(); err != nil {
eps.Log.Fatal(err)
}
if metricsServer != nil {
if err := metricsServer.Stop(); err != nil {
eps.Log.Fatal(err)
}
}
return nil
},
},
}, cmdHelpers.CommonCommands...)
app.Commands = cmdHelpers.Decorate(bareCommands, cmdHelpers.InitCLI, "SD_")
err = app.Run(os.Args)
if err != nil {
eps.Log.Error(err)
}
}
func main() {
if settingsPaths, fs, err := helpers.SettingsPaths("SD_SETTINGS"); err != nil {
eps.Log.Error(err)
return
} else if settings, err := sdHelpers.Settings(settingsPaths, fs, &definitions.Default); err != nil {
eps.Log.Error(err)
return
} else {
CLI(settings)
}
}