def lichbd_get_format(path):
o = shell.call('lich.node --stat 2>/dev/null')
if 'running' not in o:
raise shell.ShellError(
'the lichd process of this node is not running, Please check the lichd service'
)
protocol = get_protocol()
if protocol == 'lichbd':
qemu_img = lichbd_get_qemu_img_path()
cmd = "set -o pipefail;%s info rbd:%s 2>/dev/null | grep 'file format' | cut -d ':' -f 2" % (
qemu_img, path)
elif protocol == 'sheepdog':
cmd = "set -o pipefail;qemu-img info sheepdog+unix:///%s?socket=/tmp/sheepdog.socket 2>/dev/null | grep 'file format' | cut -d ':' -f 2" % path
elif protocol == 'nbd':
cmd = "set -o pipefail;qemu-img info nbd:unix:/tmp/nbd-socket:exportname=%s 2>/dev/null | grep 'file format' | cut -d ':' -f 2" % path
else:
raise shell.ShellError(
'Do not supprot protocols, only supprot lichbd and sheepdog')
shellcmd = call_try(cmd)
if shellcmd.return_code != 0:
raise_exp(shellcmd)
return shellcmd.stdout.strip()
def fusionstor_query(self, req):
protocol = lichbd.get_protocol()
if protocol == 'lichbd':
lichbd.makesure_qemu_img_with_lichbd()
elif protocol == 'sheepdog' or protocol == 'nbd':
pass
else:
raise shell.ShellError('Do not supprot protocols, only supprot lichbd, sheepdog and nbd')
o = shell.call('lich.node --stat 2>/dev/null')
if 'running' not in o:
raise shell.ShellError('the lichd process of this node is not running, Please check the lichd service')
return jsonobject.dumps(kvmagent.AgentResponse())
def raise_exp(shellcmd):
err = []
err.append('failed to execute shell command: %s' % shellcmd.cmd)
err.append('return code: %s' % shellcmd.process.returncode)
err.append('stdout: %s' % shellcmd.stdout)
err.append('stderr: %s' % shellcmd.stderr)
raise shell.ShellError('\n'.join(err))
def lichbd_get_used():
o = lichbd_cluster_stat()
for l in o.split("\n"):
if 'used:' in l:
used = long(l.split("used:")[-1])
return used
raise shell.ShellError('lichbd_get_used')
def get_system_qemu_img_path():
_qemu_img_path = None
if not _qemu_img_path:
if os.path.exists('/usr/bin/qemu-img'):
_qemu_img_path = '/usr/bin/qemu-img'
elif os.path.exists('/bin/qemu-img'):
_qemu_img_path = '/bin/qemu-img'
elif os.path.exists('/usr/local/bin/qemu-img'):
# ubuntu
_qemu_img_path = '/usr/local/bin/qemu-img'
else:
raise shell.ShellError(
'Could not find qemu-img in /bin/qemu-img or /usr/bin/qemu-img or /usr/local/bin/qemu-img'
)
return _qemu_img_path
def get_system_qemu_path():
_qemu_path = None
if not _qemu_path:
if os.path.exists('/usr/libexec/qemu-kvm'):
_qemu_path = '/usr/libexec/qemu-kvm'
elif os.path.exists('/bin/qemu-kvm'):
_qemu_path = '/bin/qemu-kvm'
elif os.path.exists('/usr/bin/qemu-system-x86_64'):
# ubuntu
_qemu_path = '/usr/bin/qemu-system-x86_64'
else:
raise shell.ShellError(
'Could not find qemu-kvm in /bin/qemu-kvm or /usr/libexec/qemu-kvm or /usr/bin/qemu-system-x86_64'
)
return _qemu_path
def lichbd_get_capacity():
try:
o = lichbd_cluster_stat()
except Exception, e:
raise shell.ShellError('lichbd_get_capacity')
