def update(hostname, port, path):
from kinetic.admin import AdminClient
ac = None
try:
ac = AdminClient(hostname,port)
ac.connect()
except:
LOG.error("Failed to connect to drive at {0}:{1}".format(hostname,port))
return
data = ''
try:
f = open(path)
chunk = 'x'
while chunk:
chunk = f.read(4096)
data += chunk
LOG.debug("Read: " + str(len(data)))
except:
LOG.error("Failed to read update binary at {0}.".format(path))
return
LOG.info("Firmware read, Size={0}".format(len(data)))
ac.updateFirmware(data)
LOG.info("Firmware update sent to drive.")
LOG.warn('Warning: Drives are currently rebooting. '
'Do NOT power off drives or run any other scripts at this time. '
'Doing so may cause irreversible failure to the drives. '
'This process can take several minutes.')
def discover(base, timeout, drives_path):
current = 1
drives = {}
if '.' in base and not base.endswith('.'):
base += '.'
while current < 255:
try:
address = base + str(current)
c = AdminClient(address, connect_timeout=timeout)
config = c.getLog([3]).configuration
LOG.info("Discovered a drive at {0} (SN={1})"
.format(address, config.serialNumber))
if config.serialNumber in drives:
drives[config.serialNumber].availableAt.append(address)
else:
drives[config.serialNumber] = DiscoveredDrive(config, address)
except: pass
current += 1
with open(drives_path,'w+') as f:
for sn, d in drives.iteritems():
LOG.info("Drive with SN={0} (Version={2}) available at {1}"
.format(sn, d.availableAt, d.config.version))
f.write(d.availableAt[0] + "\n")
LOG.info("Discovered {0} drives.".format(len(drives)))
