def _read_ip_address_from_arp_table(mac):
rc, stdout, stderr = utils.cmd("arp -an")
if rc != 0:
raise exception.RuggedpodException()
n_mac = format_mac_address_standard(mac)
for line in stdout.split('\n'):
search = re.search(
'.* \(([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)\) .* ([0-9a-f:]{17}) .*',
line)
if search and n_mac == search.group(2):
return search.group(1)
return None
def refresh():
config = read_config(db.session())
network = IPNetwork(config['dhcp_network'])
config['dhcp_range_netmask'] = str(network.netmask)
if config['dhcp_mode'] == 'proxy':
config['dhcp_range_start'] = str(IPAddress(int(network.ip) + 1))
with open("/etc/dnsmasq.conf", "w") as text_file:
text_file.write(tpl.get_template('dnsmasq.conf').render(**config))
rc, stdout, stderr = utils.cmd('service dnsmasq restart')
if (rc != 0):
raise exception.RuggedpodException()
def detect(bus):
rc, stdout, stderr = utils.cmd('i2cdetect -y %s' % bus)
if rc != 0:
raise exception.NoContent(reason='Cannot find any I2C bus')
return stdout
def list_bus():
rc, stdout, stderr = utils.cmd(i2c['bus_lookup_command'])
if rc != 0:
raise exception.NoContent(reason='Cannot find any I2C bus')
return stdout
def _network_discovery(net_cidr):
nmap_cmd = "nmap --min-hostgroup 256 --min-parallelism 256 -sn %s" % net_cidr
rc, stdout, stderr = utils.cmd(nmap_cmd)
if rc != 0:
raise exception.RuggedpodException()