github.com/mattyr/nomad@v0.3.3-0.20160919021406-3485a065154a/client/driver/qemu_test.go (about)

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