tests: apply updates.img with mkksiso script instead of inst.updates

In the meantime remove conditions for ELN to simplify the change,
as we don't run test there anymore and the condition is anyhow obsolete.

test/machine_install.py

@@ -65,13 +65,6 @@ def _wait_http_server_running(self, port):
         with timeout.Timeout(seconds=50, error_message="Timeout while waiting for http server to start"):
             self._execute(WAIT_HTTP_RUNNING)
 
-    def _serve_updates_img(self):
-        http_updates_img_port = self._get_free_port()
-        self.http_updates_img_server = subprocess.Popen(["python3", "-m", "http.server", "-d", ROOT_DIR, str(http_updates_img_port)])
-        self._wait_http_server_running(http_updates_img_port)
-
-        return http_updates_img_port
-
     def _serve_payload(self):
         payload_cached_path = os.path.realpath(self.payload_path)
         payload_cached_dir = os.path.dirname(payload_cached_path)
@@ -93,30 +86,27 @@ def start(self):
         if not os.path.exists(update_img_file):
             raise FileNotFoundError("Missing updates.img file")
 
-        self.http_updates_img_port = self._serve_updates_img()
-
         self.payload_path = os.path.join(BOTS_DIR, "./images/fedora-rawhide-anaconda-payload")
         if not os.path.exists(self.payload_path):
             raise FileNotFoundError(f"Missing payload file {self.payload_path}; use 'make payload'.")
 
-
-        iso_path = f"{os.getcwd()}/bots/images/{self.image}"
         extra_args = ""
         if self.is_live():
-            # Live install ISO has different directory structure inside
+            iso_path = f"{os.getcwd()}/bots/images/{self.image}"
+
+            # Live install ISO has different directory structure ishsnside
             # that doesn't follow the standard distribution tree directory structure.
-            location = f"{iso_path},kernel=images/pxeboot/vmlinuz,initrd=images/pxeboot/initrd.img"
+            location = f"{self.iso_path},kernel=images/pxeboot/vmlinuz,initrd=images/pxeboot/initrd.img"
 
             # Live install ISO will not start automatically without providing correct
             # kernel arguments to load the LiveOS/squashfs.img file as that's where everything is stored.
-            volume_id = self.get_volume_id(iso_path)
+            volume_id = self.get_volume_id(self.iso_path)
             extra_args = f"root=live:CDLABEL={volume_id} rd.live.image quiet rhgb"
-        elif self.is_eln():
-            # FIXME: Remove this once https://gitlab.com/libosinfo/osinfo-db/-/merge_requests/674 is released
-            # and version is present in the task container
-            location = f"{iso_path},kernel=images/pxeboot/vmlinuz,initrd=images/pxeboot/initrd.img"
         else:
-            location = f"{iso_path}"
+            self.iso_path = f"{os.getcwd()}/test/images/{self.label}.iso"
+            self._execute(f"mkksiso --skip-mkefiboot -u {update_img_file} bots/images/fedora-rawhide-boot {self.iso_path}")
+
+            location = f"{self.iso_path}"
 
         if self.efi:
             boot_arg = "--boot uefi "
@@ -135,8 +125,7 @@ def start(self):
                 "--memory 4096 "
                 "--noautoconsole "
                 f"--graphics vnc,listen={self.ssh_address} "
-                "--extra-args "
-                f"'inst.sshd inst.webui.remote inst.webui inst.updates=http://10.0.2.2:{self.http_updates_img_port}/updates.img' "
+                "--extra-args \'inst.sshd inst.webui.remote inst.webui\' "
                 "--network none "
                 f"--qemu-commandline="
                 "'-netdev user,id=hostnet0,"
@@ -177,11 +166,12 @@ def kill(self):
             f"virsh -q -c qemu:///session undefine --nvram "  # tell undefine to also delete the EFI NVRAM device
             f"--remove-all-storage {self.label} || true"
         )
-        if self.http_updates_img_server:
-            self.http_updates_img_server.kill()
         if self.http_payload_server:
             self.http_payload_server.kill()
 
+        # Delete the generated ISO
+        self._execute(f"rm -f {self._iso_path}")
+
     # pylint: disable=arguments-differ  # this fails locally if you have bots checked out
     def wait_poweroff(self):
         for _ in range(10):
@@ -197,11 +187,10 @@ def wait_poweroff(self):
     def is_live(self):
         return "live" in self.image
 
-    def is_eln(self):
-        return "eln" in self.image
-
     def get_volume_id(self, iso_path):
-        return subprocess.check_output(fr"isoinfo -d -i {iso_path} |  grep -oP 'Volume id: \K.*'", shell=True).decode(sys.stdout.encoding).strip()
+        return subprocess.check_output(
+            fr"isoinfo -d -i {self.iso_path} |  grep -oP 'Volume id: \K.*'", shell=True
+        ).decode(sys.stdout.encoding).strip()
 
 
 class VirtInstallEFIMachine(VirtInstallMachine):