github.com/maier/nomad@v0.4.1-0.20161110003312-a9e3d0b8549d/client/driver/qemu_test.go (about)

     1  package driver
     2  
     3  import (
     4  	"fmt"
     5  	"path/filepath"
     6  	"strings"
     7  	"syscall"
     8  	"testing"
     9  
    10  	"github.com/hashicorp/nomad/client/config"
    11  	"github.com/hashicorp/nomad/nomad/structs"
    12  
    13  	ctestutils "github.com/hashicorp/nomad/client/testutil"
    14  )
    15  
    16  // The fingerprinter test should always pass, even if QEMU is not installed.
    17  func TestQemuDriver_Fingerprint(t *testing.T) {
    18  	ctestutils.QemuCompatible(t)
    19  	task := &structs.Task{
    20  		Name:      "foo",
    21  		Resources: structs.DefaultResources(),
    22  	}
    23  	driverCtx, execCtx := testDriverContexts(task)
    24  	defer execCtx.AllocDir.Destroy()
    25  	d := NewQemuDriver(driverCtx)
    26  	node := &structs.Node{
    27  		Attributes: make(map[string]string),
    28  	}
    29  	apply, err := d.Fingerprint(&config.Config{}, node)
    30  	if err != nil {
    31  		t.Fatalf("err: %v", err)
    32  	}
    33  	if !apply {
    34  		t.Fatalf("should apply")
    35  	}
    36  	if node.Attributes["driver.qemu"] == "" {
    37  		t.Fatalf("Missing Qemu driver")
    38  	}
    39  	if node.Attributes["driver.qemu.version"] == "" {
    40  		t.Fatalf("Missing Qemu driver version")
    41  	}
    42  }
    43  
    44  func TestQemuDriver_StartOpen_Wait(t *testing.T) {
    45  	ctestutils.QemuCompatible(t)
    46  	task := &structs.Task{
    47  		Name: "linux",
    48  		Config: map[string]interface{}{
    49  			"image_path":  "linux-0.2.img",
    50  			"accelerator": "tcg",
    51  			"port_map": []map[string]int{{
    52  				"main": 22,
    53  				"web":  8080,
    54  			}},
    55  			"args": []string{"-nodefconfig", "-nodefaults"},
    56  		},
    57  		LogConfig: &structs.LogConfig{
    58  			MaxFiles:      10,
    59  			MaxFileSizeMB: 10,
    60  		},
    61  		Resources: &structs.Resources{
    62  			CPU:      500,
    63  			MemoryMB: 512,
    64  			Networks: []*structs.NetworkResource{
    65  				&structs.NetworkResource{
    66  					ReservedPorts: []structs.Port{{"main", 22000}, {"web", 80}},
    67  				},
    68  			},
    69  		},
    70  	}
    71  
    72  	driverCtx, execCtx := testDriverContexts(task)
    73  	defer execCtx.AllocDir.Destroy()
    74  	d := NewQemuDriver(driverCtx)
    75  
    76  	// Copy the test image into the task's directory
    77  	dst, _ := execCtx.AllocDir.TaskDirs[task.Name]
    78  	copyFile("./test-resources/qemu/linux-0.2.img", filepath.Join(dst, "linux-0.2.img"), t)
    79  
    80  	handle, err := d.Start(execCtx, task)
    81  	if err != nil {
    82  		t.Fatalf("err: %v", err)
    83  	}
    84  	if handle == nil {
    85  		t.Fatalf("missing handle")
    86  	}
    87  
    88  	// Ensure that sending a Signal returns an error
    89  	if err := handle.Signal(syscall.SIGINT); err == nil {
    90  		t.Fatalf("Expect an error when signalling")
    91  	}
    92  
    93  	// Attempt to open
    94  	handle2, err := d.Open(execCtx, handle.ID())
    95  	if err != nil {
    96  		t.Fatalf("err: %v", err)
    97  	}
    98  	if handle2 == nil {
    99  		t.Fatalf("missing handle")
   100  	}
   101  
   102  	// Clean up
   103  	if err := handle.Kill(); err != nil {
   104  		fmt.Printf("\nError killing Qemu test: %s", err)
   105  	}
   106  }
   107  
   108  func TestQemuDriverUser(t *testing.T) {
   109  	ctestutils.QemuCompatible(t)
   110  	task := &structs.Task{
   111  		Name: "linux",
   112  		User: "alice",
   113  		Config: map[string]interface{}{
   114  			"image_path":  "linux-0.2.img",
   115  			"accelerator": "tcg",
   116  			"port_map": []map[string]int{{
   117  				"main": 22,
   118  				"web":  8080,
   119  			}},
   120  			"args": []string{"-nodefconfig", "-nodefaults"},
   121  		},
   122  		LogConfig: &structs.LogConfig{
   123  			MaxFiles:      10,
   124  			MaxFileSizeMB: 10,
   125  		},
   126  		Resources: &structs.Resources{
   127  			CPU:      500,
   128  			MemoryMB: 512,
   129  			Networks: []*structs.NetworkResource{
   130  				&structs.NetworkResource{
   131  					ReservedPorts: []structs.Port{{"main", 22000}, {"web", 80}},
   132  				},
   133  			},
   134  		},
   135  	}
   136  
   137  	driverCtx, execCtx := testDriverContexts(task)
   138  	defer execCtx.AllocDir.Destroy()
   139  	d := NewQemuDriver(driverCtx)
   140  
   141  	handle, err := d.Start(execCtx, task)
   142  	if err == nil {
   143  		handle.Kill()
   144  		t.Fatalf("Should've failed")
   145  	}
   146  	msg := "unknown user alice"
   147  	if !strings.Contains(err.Error(), msg) {
   148  		t.Fatalf("Expecting '%v' in '%v'", msg, err)
   149  	}
   150  }