/
main.go
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/
main.go
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/*
Copyright 2019 Gravitational, Inc.
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 (
"context"
_ "embed"
"fmt"
"os"
"time"
"github.com/gravitational/kingpin"
"github.com/gravitational/teleport/integrations/access/slack"
"github.com/gravitational/teleport/integrations/lib"
"github.com/gravitational/teleport/integrations/lib/logger"
"github.com/gravitational/trace"
)
//go:embed example_config.toml
var exampleConfig string
func main() {
logger.Init()
app := kingpin.New("teleport-slack", "Teleport plugin for access requests approval via Slack.")
app.Command("configure", "Prints an example .TOML configuration file.")
app.Command("version", "Prints teleport-slack version and exits.")
startCmd := app.Command("start", "Starts a the Teleport Slack plugin.")
path := startCmd.Flag("config", "TOML config file path").
Short('c').
Default("/etc/teleport-slack.toml").
String()
debug := startCmd.Flag("debug", "Enable verbose logging to stderr").
Short('d').
Bool()
selectedCmd, err := app.Parse(os.Args[1:])
if err != nil {
lib.Bail(err)
}
switch selectedCmd {
case "configure":
fmt.Print(exampleConfig)
case "version":
lib.PrintVersion(app.Name, Version, Gitref)
case "start":
if err := run(*path, *debug); err != nil {
lib.Bail(err)
} else {
logger.Standard().Info("Successfully shut down")
}
}
}
func run(configPath string, debug bool) error {
conf, err := slack.LoadSlackConfig(configPath)
if err != nil {
return trace.Wrap(err)
}
logConfig := conf.Log
if debug {
logConfig.Severity = "debug"
}
if err = logger.Setup(logConfig); err != nil {
return trace.Wrap(err)
}
if debug {
logger.Standard().Debugf("DEBUG logging enabled")
}
app := slack.NewSlackApp(conf)
go lib.ServeSignals(app, 15*time.Second)
logger.Standard().Infof("Starting Teleport Access Slack Plugin %s:%s", Version, Gitref)
return trace.Wrap(
app.Run(context.Background()),
)
}