def get_consumed_management_ips():
"""
Return a list of all ip addresses that are currently consumed on the wistar management network
THIS ASSUMES A /24 for THE MANAGEMENT NETWORK!
:return: a list of ints representing the last octet of the /24 management network
"""
all_ips = list()
# let's also grab consumed management ips as well
if configuration.deployment_backend == "openstack":
if openstackUtils.connect_to_openstack():
dhcp_leases = openstackUtils.get_consumed_management_ips()
else:
return all_ips
else:
dhcp_leases = osUtils.get_dhcp_leases()
# let's also grab current dhcp reservations
dhcp_reservations = osUtils.get_dhcp_reservations()
for dr in dhcp_reservations:
ip = str(dr["ip-address"])
last_octet = ip.split('.')[-1]
all_ips.append(int(last_octet))
for lease in dhcp_leases:
ip = str(lease["ip-address"])
logger.debug("adding active lease %s" % ip)
last_octet = ip.split('.')[-1]
all_ips.append(int(last_octet))
return all_ips
def get_used_ips():
"""
get a list of all IPs that have been configured on topologyIcon objects
and also append all the current dhcp leases as well
:return: list of used ips
"""
all_ips = set()
topologies = Topology.objects.all()
for topology in topologies:
json_data = json.loads(topology.json)
for json_object in json_data:
if "userData" in json_object and json_object["userData"] is not None and "ip" in json_object["userData"]:
ud = json_object["userData"]
ip = ud["ip"]
last_octet = ip.split('.')[-1]
all_ips.add(int(last_octet))
# let's also grab current dhcp leases as well
dhcp_leases = osUtils.get_dhcp_leases()
for lease in dhcp_leases:
ip = str(lease["ip-address"])
logger.debug("adding active lease %s" % ip)
last_octet = ip.split('.')[-1]
all_ips.add(int(last_octet))
# let's also grab current dhcp reservations
dhcp_leases = osUtils.get_dhcp_reservations()
for lease in dhcp_leases:
ip = str(lease["ip-address"])
logger.debug("adding active reservation %s" % ip)
last_octet = ip.split('.')[-1]
all_ips.add(int(last_octet))
logger.debug("sorting and returning all_ips")
all_ips_list = list(all_ips)
all_ips_list.sort()
return all_ips_list
def get_dhcp_reserved_ips():
# pull current ips out of dhcp reservations and leases files
# return as a single list
all_ips = list()
# let's also grab current dhcp leases as well
dhcp_leases = osUtils.get_dhcp_leases()
for lease in dhcp_leases:
ip = str(lease["ip-address"])
logger.debug("adding active lease %s" % ip)
last_octet = ip.split('.')[-1]
all_ips.append(int(last_octet))
# let's also grab current dhcp reservations
dhcp_leases = osUtils.get_dhcp_reservations()
for lease in dhcp_leases:
ip = str(lease["ip-address"])
last_octet = ip.split('.')[-1]
all_ips.append(int(last_octet))
return all_ips