def run(task, cmd):
code, output = commands.getstatusoutput(cmd)
if code != 0:
log("%s: %s exitted with code %d: %s" % (task, cmd, code, output))
raise BackendError
log("%s: %s" % (task, cmd))
return output
def run(task, cmd):
code, output = commands.getstatusoutput(cmd)
if code <> 0:
log("%s: %s exitted with code %d: %s" % (task, cmd, code, output))
raise (BackendError("command failed", [str(code), output]))
log("%s: %s" % (task, cmd))
return output
def run(task, cmd):
code, output = commands.getstatusoutput(cmd)
if code <> 0:
log("%s: %s exitted with code %d: %s" % (task, cmd, code, output))
raise (BackendError("command failed", [ str(code), output ]))
log("%s: %s" % (task, cmd))
return output
def sr_scan(self, task, sr):
global root
log("scanning")
results = []
for name in os.listdir(root):
if name.endswith(metadata_suffix):
path = root + "/" + name
f = open(path, "r")
try:
vdi_info = json.loads(f.read())
results.append(smapiv2.make_vdi_info(vdi_info))
finally:
f.close()
return results
def sr_scan(self, task, sr):
global root
log("scanning")
results = []
for name in os.listdir(root):
if name.endswith(metadata_suffix):
path = root + "/" + name
f = open(path, "r")
try:
vdi_info = json.loads(f.read())
results.append(smapiv2.make_vdi_info(vdi_info))
finally:
f.close()
return results
def vdi_attach(self, task, dp, sr, vdi, read_write):
path = path_of_vdi(vdi) + disk_suffix
loop = self.device.add(task, path)
log("loop = %s" % repr(loop))
return loop
"--ip-addr",
dest="ip",
help="listen on IP",
metavar="IP")
parser.add_option("-d",
"--daemon",
action="store_true",
dest="daemon",
help="run as a background daemon",
metavar="DAEMON")
(options, args) = parser.parse_args()
if options.logfile:
from smapiv2 import reopenlog
reopenlog(options.logfile)
if not options.ip and not options.ip:
print >> sys.stderr, "Need an --ip-addr and --port. Use -h for help"
sys.exit(1)
ip = options.ip
port = int(options.port)
arch = run("startup", "uname")
if arch == "Linux":
log("startup: Using loop devices")
start(RawFiles(Loop()), ip, port, options.daemon)
elif arch == "FreeBSD":
log("startup: Using mdconfig devices")
start(RawFiles(Mdconfig()), ip, port, options.daemon)
else:
log("startup: Unknown architecture: %s" % arch)
def vdi_attach(self, task, dp, sr, vdi, read_write):
path = path_of_vdi(vdi) + disk_suffix
loop = self.device.add(task, path)
log("loop = %s" % repr(loop))
return loop
self.device.remove(task, path)
if __name__ == "__main__":
from optparse import OptionParser
parser = OptionParser()
parser.add_option("-l", "--log", dest="logfile", help="log to LOG", metavar="LOG")
parser.add_option("-p", "--port", dest="port", help="listen on PORT", metavar="PORT")
parser.add_option("-i", "--ip-addr", dest="ip", help="listen on IP", metavar="IP")
parser.add_option("-d", "--daemon", action="store_true", dest="daemon", help="run as a background daemon", metavar="DAEMON")
(options, args) = parser.parse_args()
if options.logfile:
from smapiv2 import reopenlog
reopenlog(options.logfile)
if not options.ip and not options.ip:
print >>sys.stderr, "Need an --ip-addr and --port. Use -h for help"
sys.exit(1)
ip = options.ip
port = int(options.port)
arch = run("startup", "uname")
if arch == "Linux":
log("startup: Using loop devices")
start(RawFiles(Loop()), ip, port, options.daemon)
elif arch == "FreeBSD":
log("startup: Using mdconfig devices")
start(RawFiles(Mdconfig()), ip, port, options.daemon)
else:
log("startup: Unknown architecture: %s" % arch)