2023-03-21 10:51:09 +01:00

127 lines
4.0 KiB
Go

/*
Copyright (c) Edgeless Systems GmbH
SPDX-License-Identifier: AGPL-3.0-only
*/
package main
import (
"context"
"flag"
"fmt"
"net"
"os"
"sync"
"github.com/edgelesssys/constellation/v2/debugd/internal/debugd/deploy"
"github.com/edgelesssys/constellation/v2/debugd/internal/debugd/info"
"github.com/edgelesssys/constellation/v2/debugd/internal/debugd/logcollector"
"github.com/edgelesssys/constellation/v2/debugd/internal/debugd/metadata"
"github.com/edgelesssys/constellation/v2/debugd/internal/debugd/metadata/cloudprovider"
"github.com/edgelesssys/constellation/v2/debugd/internal/debugd/metadata/fallback"
"github.com/edgelesssys/constellation/v2/debugd/internal/debugd/server"
"github.com/edgelesssys/constellation/v2/debugd/internal/filetransfer"
"github.com/edgelesssys/constellation/v2/debugd/internal/filetransfer/streamer"
awscloud "github.com/edgelesssys/constellation/v2/internal/cloud/aws"
azurecloud "github.com/edgelesssys/constellation/v2/internal/cloud/azure"
platform "github.com/edgelesssys/constellation/v2/internal/cloud/cloudprovider"
gcpcloud "github.com/edgelesssys/constellation/v2/internal/cloud/gcp"
openstackcloud "github.com/edgelesssys/constellation/v2/internal/cloud/openstack"
qemucloud "github.com/edgelesssys/constellation/v2/internal/cloud/qemu"
"github.com/edgelesssys/constellation/v2/internal/logger"
"github.com/spf13/afero"
"go.uber.org/zap"
)
const debugBanner = `
*****************************************
THIS IS A CONSTELLATION DEBUG IMAGE.
DO NOT USE IN PRODUCTION.
*****************************************
`
func main() {
verbosity := flag.Int("v", 0, logger.CmdLineVerbosityDescription)
flag.Parse()
log := logger.New(logger.JSONLog, logger.VerbosityFromInt(*verbosity))
fs := afero.NewOsFs()
streamer := streamer.New(fs)
filetransferer := filetransfer.New(log.Named("filetransfer"), streamer, filetransfer.DontShowProgress)
serviceManager := deploy.NewServiceManager(log.Named("serviceManager"))
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
wg := &sync.WaitGroup{}
csp := os.Getenv("CONSTEL_CSP")
var fetcher *cloudprovider.Fetcher
switch platform.FromString(csp) {
case platform.AWS:
meta, err := awscloud.New(ctx)
if err != nil {
log.With(zap.Error(err)).Fatalf("Failed to initialize AWS metadata")
}
fetcher = cloudprovider.New(meta)
case platform.Azure:
meta, err := azurecloud.New(ctx)
if err != nil {
log.With(zap.Error(err)).Fatalf("Failed to initialize Azure metadata")
}
fetcher = cloudprovider.New(meta)
case platform.GCP:
meta, err := gcpcloud.New(ctx)
if err != nil {
log.With(zap.Error(err)).Fatalf("Failed to initialize GCP metadata")
}
defer meta.Close()
fetcher = cloudprovider.New(meta)
case platform.OpenStack:
meta, err := openstackcloud.New(ctx)
if err != nil {
log.With(zap.Error(err)).Fatalf("Failed to initialize OpenStack metadata")
}
fetcher = cloudprovider.New(meta)
case platform.QEMU:
fetcher = cloudprovider.New(qemucloud.New())
default:
log.Errorf("Unknown / unimplemented cloud provider CONSTEL_CSP=%v. Using fallback", csp)
fetcher = fallback.NewFallbackFetcher()
}
infoMap := info.NewMap()
infoMap.RegisterOnReceiveTrigger(
logcollector.NewStartTrigger(ctx, wg, platform.FromString(csp), fetcher, log.Named("logcollector")),
)
download := deploy.New(log.Named("download"), &net.Dialer{}, serviceManager, filetransferer, infoMap)
sched := metadata.NewScheduler(log.Named("scheduler"), fetcher, download)
serv := server.New(log.Named("server"), serviceManager, filetransferer, infoMap)
writeDebugBanner(log)
sched.Start(ctx, wg)
server.Start(log, wg, serv)
wg.Wait()
}
func writeDebugBanner(log *logger.Logger) {
tty, err := os.OpenFile("/dev/ttyS0", os.O_WRONLY, os.ModeAppend)
if err != nil {
log.With(zap.Error(err)).Errorf("Unable to open /dev/ttyS0 for printing banner")
return
}
defer tty.Close()
if _, err := fmt.Fprint(tty, debugBanner); err != nil {
log.With(zap.Error(err)).Errorf("Unable to print to /dev/ttyS0")
}
}