def qemu_img_info(path):
"""Return an object containing the parsed output from qemu-img info."""
if not os.path.exists(path) and CONF.libvirt_images_type != 'rbd':
return imageutils.QemuImgInfo()
out, err = utils.execute('env', 'LC_ALL=C', 'LANG=C', 'qemu-img', 'info',
path)
return imageutils.QemuImgInfo(out)
def qemu_img_info(path):
"""Return an object containing the parsed output from qemu-img info."""
# TODO(mikal): this code should not be referring to a libvirt specific
# flag.
if not os.path.exists(path) and CONF.libvirt.images_type != 'rbd':
return imageutils.QemuImgInfo()
out, err = utils.execute('env', 'LC_ALL=C', 'LANG=C', 'qemu-img', 'info',
path)
return imageutils.QemuImgInfo(out)
def qemu_img_info(path, format=None):
"""Return an object containing the parsed output from qemu-img info."""
# TODO(mikal): this code should not be referring to a libvirt specific
# flag.
# NOTE(sirp): The config option import must go here to avoid an import
# cycle
CONF.import_opt('images_type',
'nova.virt.libvirt.imagebackend',
group='libvirt')
if not os.path.exists(path) and CONF.libvirt.images_type != 'rbd':
raise exception.DiskNotFound(location=path)
try:
cmd = ('env', 'LC_ALL=C', 'LANG=C', 'qemu-img', 'info', path)
if format is not None:
cmd = cmd + ('-f', format)
out, err = utils.execute(*cmd)
except processutils.ProcessExecutionError as exp:
msg = (_("qemu-img failed to execute on %(path)s : %(exp)s") % {
'path': path,
'exp': exp
})
raise exception.InvalidDiskInfo(reason=msg)
if not out:
msg = (_("Failed to run qemu-img info on %(path)s : %(error)s") % {
'path': path,
'error': err
})
raise exception.InvalidDiskInfo(reason=msg)
return imageutils.QemuImgInfo(out)
def qemu_img_info(path, format=None):
"""Return an object containing the parsed output from qemu-img info."""
# TODO(mikal): this code should not be referring to a libvirt specific
# flag.
# NOTE(sirp): The config option import must go here to avoid an import
# cycle
CONF.import_opt('images_type',
'nova.virt.libvirt.imagebackend',
group='libvirt')
if not os.path.exists(path) and CONF.libvirt.images_type != 'rbd':
msg = (_("Path does not exist %(path)s") % {'path': path})
raise exception.InvalidDiskInfo(reason=msg)
cmd = ('env', 'LC_ALL=C', 'LANG=C', 'qemu-img', 'info', path)
if format is not None:
cmd = cmd + ('-f', format)
# PF9: run as root to capture situations where the existing VM disks are not readable by
# nova/pf9 users
out, err = utils.execute(*cmd, run_as_root=True)
if not out:
msg = (_("Failed to run qemu-img info on %(path)s : %(error)s") % {
'path': path,
'error': err
})
raise exception.InvalidDiskInfo(reason=msg)
return imageutils.QemuImgInfo(out)
def qemu_img_info(path, run_as_root=True):
"""Return a object containing the parsed output from qemu-img info."""
cmd = ('env', 'LC_ALL=C', 'qemu-img', 'info', path)
if os.name == 'nt':
cmd = cmd[2:]
out, _err = utils.execute(*cmd, run_as_root=run_as_root)
return imageutils.QemuImgInfo(out)
def qemu_img_info(path):
"""Return an object containing the parsed output from qemu-img info."""
# flag.
if not os.path.exists(path):
msg = (_("Path does not exist %(path)s") % {'path': path})
raise exception.InvalidDiskInfo(reason=msg)
out, err = utils.execute('env', 'LC_ALL=C', 'LANG=C',
'qemu-img', 'info', path)
if not out:
msg = (_("Failed to run qemu-img info on %(path)s : %(error)s") %
{'path': path, 'error': err})
raise exception.InvalidDiskInfo(reason=msg)
return imageutils.QemuImgInfo(out)
def qemu_img_info(path):
"""Return an object containing the parsed output from qemu-img info."""
# TODO(mikal): this code should not be referring to a libvirt specific
# flag.
if not os.path.exists(path) and CONF.libvirt.images_type != 'rbd':
msg = (_("Path does not exist %(path)s") % {'path': path})
raise exception.InvalidDiskInfo(reason=msg)
out, err = utils.execute('env', 'LC_ALL=C', 'LANG=C',
'qemu-img', 'info', path)
if not out:
msg = (_("Failed to run qemu-img info on %(path)s : %(error)s") %
{'path': path, 'error': err})
raise exception.InvalidDiskInfo(reason=msg)
return imageutils.QemuImgInfo(out)
def qemu_img_info(path, format=None):
"""Return an object containing the parsed output from qemu-img info."""
# TODO(mikal): this code should not be referring to a libvirt specific
# flag.
# NOTE(sirp): The config option import must go here to avoid an import
# cycle
CONF.import_opt('images_type',
'nova.virt.libvirt.imagebackend',
group='libvirt')
if not os.path.exists(path) and CONF.libvirt.images_type != 'rbd':
msg = (_("Path does not exist %(path)s") % {'path': path})
raise exception.InvalidDiskInfo(reason=msg)
cmd = ('env', 'LC_ALL=C', 'LANG=C', 'qemu-img', 'info', path)
if format is not None:
cmd = cmd + ('-f', format)
try:
if QEMU_IMG_LIMITS is not None:
out, err = utils.execute(*cmd, prlimit=QEMU_IMG_LIMITS)
else:
out, err = utils.execute(*cmd)
except processutils.ProcessExecutionError as exp:
if exp.exit_code == -9:
# this means we hit prlimits, make the exception more specific
msg = (_("qemu-img aborted by prlimits when inspecting "
"%(path)s : %(exp)s") % {
'path': path,
'exp': exp
})
elif exp.exit_code == 1 and 'No such file or directory' in exp.stderr:
# The os.path.exists check above can race so this is a simple
# best effort at catching that type of failure and raising a more
# specific error.
raise exception.DiskNotFound(location=path)
if not out:
msg = (_("Failed to run qemu-img info on %(path)s : %(error)s") % {
'path': path,
'error': err
})
raise exception.InvalidDiskInfo(reason=msg)
return imageutils.QemuImgInfo(out)
def qemu_img_info(path):
"""Return an object containing the parsed output from qemu-img info."""
# TODO(mikal): this code should not be referring to a libvirt specific
# flag.
# NOTE(sirp): The config option import must go here to avoid an import
# cycle
CONF.import_opt('images_type', 'nova.virt.libvirt.imagebackend',
group='libvirt')
if not os.path.exists(path) and CONF.libvirt.images_type != 'rbd':
msg = (_("Path does not exist %(path)s") % {'path': path})
raise exception.InvalidDiskInfo(reason=msg)
out, err = utils.execute('env', 'LC_ALL=C', 'LANG=C',
'qemu-img', 'info', path)
if not out:
msg = (_("Failed to run qemu-img info on %(path)s : %(error)s") %
{'path': path, 'error': err})
raise exception.InvalidDiskInfo(reason=msg)
return imageutils.QemuImgInfo(out)
