diff options
Diffstat (limited to 'rumba/testbeds/qemu.py')
| -rw-r--r-- | rumba/testbeds/qemu.py | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/rumba/testbeds/qemu.py b/rumba/testbeds/qemu.py index a916525..df02ab6 100644 --- a/rumba/testbeds/qemu.py +++ b/rumba/testbeds/qemu.py @@ -26,24 +26,25 @@ import os import rumba.model as mod import rumba.log as log import rumba.ssh_support as ssh_support +import wget logger = log.get_logger(__name__) class Testbed(mod.Testbed): - def __init__(self, exp_name, bzimage, initramfs, proj_name="ARCFIRE", + def __init__(self, exp_name, bzimage=None, initramfs=None, proj_name="ARCFIRE", password="root", username="root", use_vhost=True, qemu_logs_dir=None): mod.Testbed.__init__(self, exp_name, username, password, proj_name) self.vms = {} self.shims = [] - self.bzimage = bzimage - self.initramfs = initramfs self.vhost = use_vhost self.qemu_logs_dir = os.getcwd() if qemu_logs_dir is None \ else qemu_logs_dir self.boot_processes = [] + self.bzimage = bzimage + self.initramfs = initramfs @staticmethod def _run_command_chain(commands, results_queue, @@ -110,10 +111,34 @@ class Testbed(mod.Testbed): if os.geteuid() != 0: try: subprocess.check_call(["sudo", "-v"]) + if not os.access("/dev/vhost-net", os.R_OK) \ + or not os.access("/dev/vhost-net", os.W_OK) \ + or not os.access("/dev/kvm", os.R_OK) \ + or not os.access("/dev/kvm", os.W_OK): + raise Exception('Cannot open vhost device. Make sure it is' + 'available and you have rw permissions ' + 'on /dev/vhost-net') except subprocess.CalledProcessError: raise Exception('Not authenticated') logger.info("swapping in") + + # Download the proper buildroot images, if the user did not specify + # local images + url_prefix = "https://bitbucket.org/vmaffione/rina-images/downloads/" + if not self.bzimage: + self.bzimage = '%s.bzImage' % (experiment.prototype_name()) + if not os.path.exists(self.bzimage): + logger.info("Downloading %s" % (url_prefix + self.bzimage)) + wget.download(url_prefix + self.bzimage) + print("\n") + if not self.initramfs: + self.initramfs = '%s.rootfs.cpio' % (experiment.prototype_name()) + if not os.path.exists(self.initramfs): + logger.info("Downloading %s" % (url_prefix + self.initramfs)) + wget.download(url_prefix + self.initramfs) + print("\n") + logger.info('Setting up interfaces.') # Building bridges and taps |