def configure_add(self):
"""
Configure the Store to use the stored configuration options
Any store that needs special configuration should implement
this method. If the store was not able to successfully configure
itself, it should raise `exceptions.BadStoreConfiguration`
"""
try:
self.chunk_size = CONF.sheepdog_store_chunk_size * units.Mi
self.addr = CONF.sheepdog_store_address
self.port = CONF.sheepdog_store_port
except cfg.ConfigFileValueError as e:
reason = _("Error in store configuration: %s") % e
LOG.error(reason)
raise exceptions.BadStoreConfiguration(store_name='sheepdog',
reason=reason)
try:
processutils.execute("collie", shell=True)
except processutils.ProcessExecutionError as exc:
reason = _("Error in store configuration: %s") % exc
LOG.error(reason)
raise exceptions.BadStoreConfiguration(store_name='sheepdog',
reason=reason)
def _get_capacity_info(self, mount_point):
"""Calculates total available space for given mount point.
:mount_point is path of glance data directory
"""
#Calculate total available space
df = processutils.execute("df", "-k",
mount_point)[0].strip("'\n'")
total_available_space = int(df.split('\n')[1].split()[3]) * units.Ki
return max(0, total_available_space)
def _run_command(self, command, data, *params):
cmd = "collie vdi %(command)s -a %(addr)s -p %(port)d %(name)s " "%(params)s" % {
"command": command,
"addr": self.addr,
"port": self.port,
"name": self.name,
"params": " ".join(map(str, params)),
}
try:
return processutils.execute(cmd, process_input=data, shell=True)[0]
except processutils.ProcessExecutionError as exc:
LOG.error(exc)
raise glance.store.BackendException(exc)