105 lines
3.0 KiB
Go
105 lines
3.0 KiB
Go
//go:build linux
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package docker
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"github.com/hashicorp/nomad/ci"
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"github.com/hashicorp/nomad/client/testutil"
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"github.com/hashicorp/nomad/helper/freeport"
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"github.com/hashicorp/nomad/helper/pointer"
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tu "github.com/hashicorp/nomad/testutil"
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"github.com/stretchr/testify/require"
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)
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func TestDockerDriver_authFromHelper(t *testing.T) {
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testutil.DockerCompatible(t)
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dir := t.TempDir()
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helperPayload := "{\"Username\":\"hashi\",\"Secret\":\"nomad\"}"
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helperContent := []byte(fmt.Sprintf("#!/bin/sh\ncat > %s/helper-$1.out;echo '%s'", dir, helperPayload))
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helperFile := filepath.Join(dir, "docker-credential-testnomad")
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err := ioutil.WriteFile(helperFile, helperContent, 0777)
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require.NoError(t, err)
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path := os.Getenv("PATH")
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t.Setenv("PATH", fmt.Sprintf("%s:%s", path, dir))
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authHelper := authFromHelper("testnomad")
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creds, err := authHelper("registry.local:5000/repo/image")
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require.NoError(t, err)
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require.NotNil(t, creds)
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require.Equal(t, "hashi", creds.Username)
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require.Equal(t, "nomad", creds.Password)
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if _, err := os.Stat(filepath.Join(dir, "helper-get.out")); os.IsNotExist(err) {
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t.Fatalf("Expected helper-get.out to exist")
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}
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content, err := ioutil.ReadFile(filepath.Join(dir, "helper-get.out"))
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require.NoError(t, err)
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require.Equal(t, "registry.local:5000", string(content))
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}
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func TestDockerDriver_PluginConfig_PidsLimit(t *testing.T) {
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ci.Parallel(t)
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testutil.DockerCompatible(t)
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dh := dockerDriverHarness(t, nil)
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driver := dh.Impl().(*Driver)
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driver.config.PidsLimit = 5
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task, cfg, ports := dockerTask(t)
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defer freeport.Return(ports)
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require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
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cfg.PidsLimit = 7
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_, err := driver.createContainerConfig(task, cfg, "org/repo:0.1")
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require.Error(t, err)
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require.Contains(t, err.Error(), `pids_limit cannot be greater than nomad plugin config pids_limit`)
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// Task PidsLimit should override plugin PidsLimit.
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cfg.PidsLimit = 3
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opts, err := driver.createContainerConfig(task, cfg, "org/repo:0.1")
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require.NoError(t, err)
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require.Equal(t, pointer.Of(int64(3)), opts.HostConfig.PidsLimit)
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}
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func TestDockerDriver_PidsLimit(t *testing.T) {
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ci.Parallel(t)
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testutil.DockerCompatible(t)
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task, cfg, ports := dockerTask(t)
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defer freeport.Return(ports)
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cfg.PidsLimit = 1
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cfg.Command = "/bin/sh"
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cfg.Args = []string{"-c", "sleep 5 & sleep 5 & sleep 5"}
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require.NoError(t, task.EncodeConcreteDriverConfig(cfg))
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_, _, _, cleanup := dockerSetup(t, task, nil)
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defer cleanup()
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// Check that data was written to the directory.
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outputFile := filepath.Join(task.TaskDir().LogDir, "redis-demo.stderr.0")
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exp := "can't fork"
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tu.WaitForResult(func() (bool, error) {
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act, err := ioutil.ReadFile(outputFile)
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if err != nil {
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return false, err
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}
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if !strings.Contains(string(act), exp) {
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return false, fmt.Errorf("Expected %q in output %q", exp, string(act))
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}
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return true, nil
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}, func(err error) {
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require.NoError(t, err)
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})
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}
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