/
docker.go
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/
docker.go
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// Copyright 2018 Anapaya Systems
//
// 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 integration
import (
"context"
"flag"
"fmt"
"os"
"strings"
"github.com/scionproto/scion/go/lib/log"
"github.com/scionproto/scion/go/lib/snet"
)
const (
dockerCmd = "docker-compose"
)
var (
// Docker indicates if the tests should be executed in a Docker container
Docker = flag.Bool("d", false, "Run tests in a docker container")
)
var dockerArgs []string
func initDockerArgs() {
dockerArgs = []string{"-f", GenFile("scion-dc.yml"), "-p", "scion", "exec", "-T", "-e",
fmt.Sprintf("%s=1", GoIntegrationEnv)}
}
var _ Integration = (*dockerIntegration)(nil)
type dockerIntegration struct {
*binaryIntegration
}
func dockerize(bi *binaryIntegration) Integration {
if *Docker {
return &dockerIntegration{
binaryIntegration: bi,
}
}
return bi
}
// StartServer starts a server and blocks until the ReadySignal is received on Stdout.
func (di *dockerIntegration) StartServer(ctx context.Context, dst *snet.UDPAddr) (Waiter, error) {
bi := *di.binaryIntegration
bi.serverArgs = append(dockerArgs, append([]string{TesterID(dst), bi.cmd}, bi.serverArgs...)...)
bi.cmd = dockerCmd
log.Debug(fmt.Sprintf("Starting server for %s in a docker container", dst.IA.FileFmt(false)))
return bi.StartServer(ctx, dst)
}
func (di *dockerIntegration) StartClient(ctx context.Context,
src, dst *snet.UDPAddr) (*BinaryWaiter, error) {
bi := *di.binaryIntegration
bi.clientArgs = append(dockerArgs, append([]string{TesterID(src), bi.cmd}, bi.clientArgs...)...)
bi.cmd = dockerCmd
log.Debug(fmt.Sprintf("Starting client for %s in a docker container", src.IA.FileFmt(false)))
return bi.StartClient(ctx, src, dst)
}
// TesterID returns the ID of the tester container.
func TesterID(a *snet.UDPAddr) string {
ia := a.IA.FileFmt(false)
envID, ok := os.LookupEnv(fmt.Sprintf("tester_%s", strings.Replace(ia, "-", "_", -1)))
if !ok {
return fmt.Sprintf("tester_%s", ia)
}
return envID
}