qemu: Make boot process configurable

Author: mpe

lib/qemu.py

@@ -30,6 +30,7 @@ def __init__(self, machine):
         self.drive = None
         self.initrd = None
         self.compat_rootfs = False
+        self.boot_func = None
         self.shutdown = None
         self.callback = None
         self.extra_args = []
@@ -191,6 +192,12 @@ def apply_defaults(self):
 
             self.extra_args += [rng]
 
+        if self.boot_func is None:
+            def boot(p, timeout, qconf):
+                standard_boot(p, qconf.login, qconf.user, qconf.password, timeout)
+
+            self.boot_func = boot
+
 
     def cmd(self):
         logging.info('Using qemu version %s.%s "%s"' % get_qemu_version(self.qemu_path))
@@ -381,7 +388,7 @@ def qemu_main(qconf):
     p.spawn(cmd, logfile=open(qconf.logpath, 'w'), timeout=pexpect_timeout, quiet=qconf.quiet)
 
     p.push_prompt(qconf.prompt)
-    standard_boot(p, qconf.login, qconf.user, qconf.password, boot_timeout)
+    qconf.boot_func(p, boot_timeout, qconf)
 
     p.send('echo "booted-revision: `uname -r`"')
     p.expect(f'booted-revision: {qconf.expected_release}')