a8c8fc2f96
Conflicts: client/driver/docker_test.go client/driver/java_test.go client/driver/qemu_test.go
141 lines
3.4 KiB
Go
141 lines
3.4 KiB
Go
package driver
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import (
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"fmt"
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"os"
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"os/exec"
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"testing"
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"github.com/hashicorp/nomad/client/config"
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"github.com/hashicorp/nomad/nomad/structs"
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ctestutils "github.com/hashicorp/nomad/client/testutil"
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)
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// qemuLocated looks to see whether qemu binaries are available on this system
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// before we try to run tests. We may need to tweak this for cross-OS support
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// but I think this should work on *nix at least.
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func qemuLocated() bool {
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_, err := exec.Command("qemu-x86_64", "-version").CombinedOutput()
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return err == nil
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}
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func TestQemuDriver_Handle(t *testing.T) {
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h := &qemuHandle{
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proc: &os.Process{Pid: 123},
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vmID: "vmid",
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doneCh: make(chan struct{}),
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waitCh: make(chan error, 1),
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}
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actual := h.ID()
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expected := `QEMU:{"Pid":123,"VmID":"vmid"}`
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if actual != expected {
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t.Errorf("Expected `%s`, found `%s`", expected, actual)
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}
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}
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// The fingerprinter test should always pass, even if QEMU is not installed.
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func TestQemuDriver_Fingerprint(t *testing.T) {
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ctestutils.QemuCompatible(t)
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d := NewQemuDriver(testDriverContext(""))
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node := &structs.Node{
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Attributes: make(map[string]string),
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}
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apply, err := d.Fingerprint(&config.Config{}, node)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if !apply {
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t.Fatalf("should apply")
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}
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if node.Attributes["driver.qemu"] == "" {
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t.Fatalf("Missing Qemu driver")
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}
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if node.Attributes["driver.qemu.version"] == "" {
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t.Fatalf("Missing Qemu driver version")
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}
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}
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func TestQemuDriver_Start(t *testing.T) {
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if !qemuLocated() {
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t.Skip("QEMU not found; skipping")
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}
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// TODO: use test server to load from a fixture
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task := &structs.Task{
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Name: "linux",
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Config: map[string]string{
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"image_source": "https://dl.dropboxusercontent.com/u/47675/jar_thing/linux-0.2.img",
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"checksum": "a5e836985934c3392cbbd9b26db55a7d35a8d7ae1deb7ca559dd9c0159572544",
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"accelerator": "tcg",
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"guest_ports": "22,8080",
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},
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Resources: &structs.Resources{
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MemoryMB: 512,
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Networks: []*structs.NetworkResource{
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&structs.NetworkResource{
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ReservedPorts: []int{22000, 80},
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},
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},
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},
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}
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driverCtx := testDriverContext(task.Name)
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ctx := testDriverExecContext(task, driverCtx)
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defer ctx.AllocDir.Destroy()
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d := NewQemuDriver(driverCtx)
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handle, err := d.Start(ctx, task)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if handle == nil {
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t.Fatalf("missing handle")
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}
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// Attempt to open
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handle2, err := d.Open(ctx, handle.ID())
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if handle2 == nil {
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t.Fatalf("missing handle")
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}
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// Clean up
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if err := handle.Kill(); err != nil {
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fmt.Printf("\nError killing Qemu test: %s", err)
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}
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}
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func TestQemuDriver_RequiresMemory(t *testing.T) {
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if !qemuLocated() {
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t.Skip("QEMU not found; skipping")
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}
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// TODO: use test server to load from a fixture
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task := &structs.Task{
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Name: "linux",
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Config: map[string]string{
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"image_source": "https://dl.dropboxusercontent.com/u/47675/jar_thing/linux-0.2.img",
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"accelerator": "tcg",
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"host_port": "8080",
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"guest_port": "8081",
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"checksum": "a5e836985934c3392cbbd9b26db55a7d35a8d7ae1deb7ca559dd9c0159572544",
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// ssh u/p would be here
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},
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}
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driverCtx := testDriverContext(task.Name)
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ctx := testDriverExecContext(task, driverCtx)
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defer ctx.AllocDir.Destroy()
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d := NewQemuDriver(driverCtx)
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_, err := d.Start(ctx, task)
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if err == nil {
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t.Fatalf("Expected error when not specifying memory")
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}
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}
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