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Get Qemu to fingerprint and test properly on both windows and linux #352

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merged 3 commits into from
Oct 29, 2015
Merged

Get Qemu to fingerprint and test properly on both windows and linux #352

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3e243ed
Get Qemu to fingerprint and test properly on both windows and linux
dadgar Oct 27, 2015
347325d
Use same binary as Fingerprint in the QemuCompatible function
dadgar Oct 28, 2015
1d06f44
Add comment explaining the qemu-img command on windows
dadgar Oct 29, 2015
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13 changes: 5 additions & 8 deletions client/driver/qemu.go
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,6 @@ import (
"runtime"
"strconv"
"strings"
"syscall"
"time"

"github.com/hashicorp/go-getter"
Expand All @@ -25,7 +24,7 @@ import (
)

var (
reQemuVersion = regexp.MustCompile("QEMU emulator version ([\\d\\.]+).+")
reQemuVersion = regexp.MustCompile(`version (\d[\.\d+]+)`)
)

// QemuDriver is a driver for running images via Qemu
Expand Down Expand Up @@ -56,13 +55,11 @@ func NewQemuDriver(ctx *DriverContext) Driver {
}

func (d *QemuDriver) Fingerprint(cfg *config.Config, node *structs.Node) (bool, error) {
// Only enable if we are root when running on non-windows systems.
if runtime.GOOS != "windows" && syscall.Geteuid() != 0 {
d.logger.Printf("[DEBUG] driver.qemu: must run as root user, disabling")
return false, nil
bin := "qemu-system-x86_64"
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Add a small comment here around why we are switching commands?

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Done

if runtime.GOOS == "windows" {
bin = "qemu-img"
}

outBytes, err := exec.Command("qemu-system-x86_64", "-version").Output()
outBytes, err := exec.Command(bin, "--version").Output()
if err != nil {
return false, nil
}
Expand Down
7 changes: 4 additions & 3 deletions client/testutil/driver_compatible.go
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Original file line number Diff line number Diff line change
Expand Up @@ -14,11 +14,12 @@ func ExecCompatible(t *testing.T) {
}

func QemuCompatible(t *testing.T) {
// Check if qemu exists
bin := "qemu-system-x86_64"
if runtime.GOOS == "windows" {
t.Skip("Must be on non-windows environments to run test")
bin = "qemu-img"
}
// else see if qemu exists
_, err := exec.Command("qemu-system-x86_64", "-version").CombinedOutput()
_, err := exec.Command(bin, "--version").CombinedOutput()
if err != nil {
t.Skip("Must have Qemu installed for Qemu specific tests to run")
}
Expand Down