github.com/hernad/nomad@v1.6.112/drivers/docker/driver_linux_test.go (about) 1 // Copyright (c) HashiCorp, Inc. 2 // SPDX-License-Identifier: MPL-2.0 3 4 //go:build linux 5 6 package docker 7 8 import ( 9 "fmt" 10 "os" 11 "path/filepath" 12 "strings" 13 "testing" 14 15 "github.com/hernad/nomad/ci" 16 "github.com/hernad/nomad/client/testutil" 17 "github.com/hernad/nomad/helper/pointer" 18 tu "github.com/hernad/nomad/testutil" 19 "github.com/stretchr/testify/require" 20 ) 21 22 func TestDockerDriver_authFromHelper(t *testing.T) { 23 testutil.DockerCompatible(t) 24 25 dir := t.TempDir() 26 helperPayload := "{\"Username\":\"hashi\",\"Secret\":\"nomad\"}" 27 helperContent := []byte(fmt.Sprintf("#!/bin/sh\ncat > %s/helper-$1.out;echo '%s'", dir, helperPayload)) 28 29 helperFile := filepath.Join(dir, "docker-credential-testnomad") 30 err := os.WriteFile(helperFile, helperContent, 0777) 31 require.NoError(t, err) 32 33 path := os.Getenv("PATH") 34 t.Setenv("PATH", fmt.Sprintf("%s:%s", path, dir)) 35 36 authHelper := authFromHelper("testnomad") 37 creds, err := authHelper("registry.local:5000/repo/image") 38 require.NoError(t, err) 39 require.NotNil(t, creds) 40 require.Equal(t, "hashi", creds.Username) 41 require.Equal(t, "nomad", creds.Password) 42 43 if _, err := os.Stat(filepath.Join(dir, "helper-get.out")); os.IsNotExist(err) { 44 t.Fatalf("Expected helper-get.out to exist") 45 } 46 content, err := os.ReadFile(filepath.Join(dir, "helper-get.out")) 47 require.NoError(t, err) 48 require.Equal(t, "registry.local:5000", string(content)) 49 } 50 51 func TestDockerDriver_PluginConfig_PidsLimit(t *testing.T) { 52 ci.Parallel(t) 53 testutil.DockerCompatible(t) 54 55 dh := dockerDriverHarness(t, nil) 56 driver := dh.Impl().(*Driver) 57 driver.config.PidsLimit = 5 58 59 task, cfg, _ := dockerTask(t) 60 require.NoError(t, task.EncodeConcreteDriverConfig(cfg)) 61 62 cfg.PidsLimit = 7 63 _, err := driver.createContainerConfig(task, cfg, "org/repo:0.1") 64 require.Error(t, err) 65 require.Contains(t, err.Error(), `pids_limit cannot be greater than nomad plugin config pids_limit`) 66 67 // Task PidsLimit should override plugin PidsLimit. 68 cfg.PidsLimit = 3 69 opts, err := driver.createContainerConfig(task, cfg, "org/repo:0.1") 70 require.NoError(t, err) 71 require.Equal(t, pointer.Of(int64(3)), opts.HostConfig.PidsLimit) 72 } 73 74 func TestDockerDriver_PidsLimit(t *testing.T) { 75 ci.Parallel(t) 76 testutil.DockerCompatible(t) 77 78 task, cfg, _ := dockerTask(t) 79 80 cfg.PidsLimit = 1 81 cfg.Command = "/bin/sh" 82 cfg.Args = []string{"-c", "sleep 5 & sleep 5 & sleep 5"} 83 require.NoError(t, task.EncodeConcreteDriverConfig(cfg)) 84 85 _, _, _, cleanup := dockerSetup(t, task, nil) 86 defer cleanup() 87 88 // Check that data was written to the directory. 89 outputFile := filepath.Join(task.TaskDir().LogDir, "redis-demo.stderr.0") 90 exp := "can't fork" 91 tu.WaitForResult(func() (bool, error) { 92 act, err := os.ReadFile(outputFile) 93 if err != nil { 94 return false, err 95 } 96 if !strings.Contains(string(act), exp) { 97 return false, fmt.Errorf("Expected %q in output %q", exp, string(act)) 98 } 99 return true, nil 100 }, func(err error) { 101 require.NoError(t, err) 102 }) 103 }