open-nomad/drivers/docker/driver_linux_test.go

82 lines
2.3 KiB
Go

package docker
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strings"
"testing"
"time"
"github.com/hashicorp/nomad/client/testutil"
tu "github.com/hashicorp/nomad/testutil"
"github.com/stretchr/testify/require"
)
func TestDockerDriver_authFromHelper(t *testing.T) {
dir, err := ioutil.TempDir("", "test-docker-driver_authfromhelper")
require.NoError(t, err)
defer os.RemoveAll(dir)
helperPayload := "{\"Username\":\"hashi\",\"Secret\":\"nomad\"}"
helperContent := []byte(fmt.Sprintf("#!/bin/sh\ncat > %s/helper-$1.out;echo '%s'", dir, helperPayload))
helperFile := filepath.Join(dir, "docker-credential-testnomad")
err = ioutil.WriteFile(helperFile, helperContent, 0777)
require.NoError(t, err)
path := os.Getenv("PATH")
os.Setenv("PATH", fmt.Sprintf("%s:%s", path, dir))
defer os.Setenv("PATH", path)
helper := authFromHelper("testnomad")
creds, err := helper("registry.local:5000/repo/image")
require.NoError(t, err)
require.NotNil(t, creds)
require.Equal(t, "hashi", creds.Username)
require.Equal(t, "nomad", creds.Password)
if _, err := os.Stat(filepath.Join(dir, "helper-get.out")); os.IsNotExist(err) {
t.Fatalf("Expected helper-get.out to exist")
}
content, err := ioutil.ReadFile(filepath.Join(dir, "helper-get.out"))
require.NoError(t, err)
require.Equal(t, []byte("https://registry.local:5000"), content)
}
func TestDockerDriver_PidsLimit(t *testing.T) {
if !tu.IsCI() {
t.Parallel()
}
testutil.DockerCompatible(t)
require := require.New(t)
task, cfg, _ := dockerTask(t)
cfg.PidsLimit = 1
cfg.Command = "/bin/sh"
cfg.Args = []string{"-c", "sleep 2 & sleep 2"}
require.NoError(task.EncodeConcreteDriverConfig(cfg))
_, driver, _, cleanup := dockerSetup(t, task)
defer cleanup()
driver.WaitUntilStarted(task.ID, time.Duration(tu.TestMultiplier()*5)*time.Second)
// XXX Logging doesn't work on OSX so just test on Linux
// Check that data was written to the directory.
outputFile := filepath.Join(task.TaskDir().LogDir, "redis-demo.stderr.0")
exp := "can't fork"
tu.WaitForResult(func() (bool, error) {
act, err := ioutil.ReadFile(outputFile)
if err != nil {
return false, err
}
if !strings.Contains(string(act), exp) {
return false, fmt.Errorf("Expected %q in output %q", exp, string(act))
}
return true, nil
}, func(err error) {
require.NoError(err)
})
}