Revision 43fcf0d3
| b/lib/hypervisor/hv_kvm.py | ||
|---|---|---|
| 34 | 34 |
import struct |
| 35 | 35 |
import fcntl |
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import shutil |
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import urllib2 |
|
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|
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from ganeti import utils |
| 39 | 40 |
from ganeti import constants |
| ... | ... | |
| 127 | 128 |
return (ifname, tapfd) |
| 128 | 129 |
|
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def _CheckUrl(url): |
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"""Check if a given URL exists on the server |
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|
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""" |
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req = urllib2.Request(url) |
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|
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# XXX: ugly but true |
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req.get_method = lambda: "HEAD" |
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try: |
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resp = urllib2.urlopen(req) |
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except urllib2.URLError: |
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return False |
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|
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del resp |
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return True |
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|
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class KVMHypervisor(hv_base.BaseHypervisor): |
| 131 | 150 |
"""KVM hypervisor interface""" |
| 132 | 151 |
CAN_MIGRATE = True |
| ... | ... | |
| 568 | 587 |
iso_image = hvp[constants.HV_CDROM_IMAGE_PATH] |
| 569 | 588 |
if iso_image: |
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options = ',media=cdrom' |
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if not re.match(r'(https?|ftp)://', iso_image): |
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if re.match(r'(https?|ftp)://', iso_image): |
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# Check that the iso image is really there |
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# See https://bugs.launchpad.net/qemu/+bug/597575 |
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if not _CheckUrl(iso_image): |
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raise errors.HypervisorError("ISO image %s is not accessible" %
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iso_image) |
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else: |
|
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options = "%s,format=raw" % options |
| 573 | 598 |
if boot_cdrom: |
| 574 | 599 |
kvm_cmd.extend(['-boot', 'd']) |
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