tests/vm: Be verbose while extracting compressed images

Depending of the host hardware, copying and extracting VM images can
take up to few minutes. Add verbosity to avoid the user to worry about
VMs hanging.
Signed-off-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190129175403.18017-2-philmd@redhat.com>
Signed-off-by: NAlex Bennée <alex.bennee@linaro.org>

tests/vm/centos

@@ -65,8 +65,9 @@ class CentosVM(basevm.BaseVM):
     def build_image(self, img):
         cimg = self._download_with_cache("https://cloud.centos.org/centos/7/images/CentOS-7-x86_64-GenericCloud-1802.qcow2.xz")
         img_tmp = img + ".tmp"
+        sys.stderr.write("Extracting the image...\n")
         subprocess.check_call(["cp", "-f", cimg, img_tmp + ".xz"])
-        subprocess.check_call(["xz", "-df", img_tmp + ".xz"])
+        subprocess.check_call(["xz", "-dvf", img_tmp + ".xz"])
         subprocess.check_call(["qemu-img", "resize", img_tmp, "50G"])
         self.boot(img_tmp, extra_args = ["-cdrom", self._gen_cloud_init_iso()])
         self.wait_ssh()

tests/vm/freebsd

@@ -33,8 +33,9 @@ class FreeBSDVM(basevm.BaseVM):
                 sha256sum='adcb771549b37bc63826c501f05121a206ed3d9f55f49145908f7e1432d65891')
         img_tmp_xz = img + ".tmp.xz"
         img_tmp = img + ".tmp"
+        sys.stderr.write("Extracting the image...\n")
         subprocess.check_call(["cp", "-f", cimg, img_tmp_xz])
-        subprocess.check_call(["xz", "-df", img_tmp_xz])
+        subprocess.check_call(["xz", "-dvf", img_tmp_xz])
         if os.path.exists(img):
             os.remove(img)
         os.rename(img_tmp, img)

tests/vm/netbsd

@@ -33,8 +33,9 @@ class NetBSDVM(basevm.BaseVM):
                                          sha256sum='b633d565b0eac3d02015cd0c81440bd8a7a8df8512615ac1ee05d318be015732')
         img_tmp_xz = img + ".tmp.xz"
         img_tmp = img + ".tmp"
+        sys.stderr.write("Extracting the image...\n")
         subprocess.check_call(["cp", "-f", cimg, img_tmp_xz])
-        subprocess.check_call(["xz", "-df", img_tmp_xz])
+        subprocess.check_call(["xz", "-dvf", img_tmp_xz])
         if os.path.exists(img):
             os.remove(img)
         os.rename(img_tmp, img)

tests/vm/openbsd

@@ -35,8 +35,9 @@ class OpenBSDVM(basevm.BaseVM):
                 sha256sum='8c6cedc483e602cfee5e04f0406c64eb99138495e8ca580bc0293bcf0640c1bf')
         img_tmp_xz = img + ".tmp.xz"
         img_tmp = img + ".tmp"
+        sys.stderr.write("Extracting the image...\n")
         subprocess.check_call(["cp", "-f", cimg, img_tmp_xz])
-        subprocess.check_call(["xz", "-df", img_tmp_xz])
+        subprocess.check_call(["xz", "-dvf", img_tmp_xz])
         if os.path.exists(img):
             os.remove(img)
         os.rename(img_tmp, img)