862 lines
31 KiB
Python
862 lines
31 KiB
Python
#!/usr/bin/env python3
|
|
|
|
# network.py - PVC client function library, Network fuctions
|
|
# Part of the Parallel Virtual Cluster (PVC) system
|
|
#
|
|
# Copyright (C) 2018-2021 Joshua M. Boniface <joshua@boniface.me>
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, version 3.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
#
|
|
###############################################################################
|
|
|
|
import re
|
|
|
|
import daemon_lib.common as common
|
|
|
|
|
|
#
|
|
# Cluster search functions
|
|
#
|
|
def getClusterNetworkList(zkhandler):
|
|
# Get a list of VNIs by listing the children of /networks
|
|
vni_list = zkhandler.children('base.network')
|
|
description_list = []
|
|
# For each VNI, get the corresponding description from the data
|
|
for vni in vni_list:
|
|
description_list.append(zkhandler.read(('network', vni)))
|
|
return vni_list, description_list
|
|
|
|
|
|
def searchClusterByVNI(zkhandler, vni):
|
|
try:
|
|
# Get the lists
|
|
vni_list, description_list = getClusterNetworkList(zkhandler)
|
|
# We're looking for UUID, so find that element ID
|
|
index = vni_list.index(vni)
|
|
# Get the name_list element at that index
|
|
description = description_list[index]
|
|
except ValueError:
|
|
# We didn't find anything
|
|
return None
|
|
|
|
return description
|
|
|
|
|
|
def searchClusterByDescription(zkhandler, description):
|
|
try:
|
|
# Get the lists
|
|
vni_list, description_list = getClusterNetworkList(zkhandler)
|
|
# We're looking for name, so find that element ID
|
|
index = description_list.index(description)
|
|
# Get the uuid_list element at that index
|
|
vni = vni_list[index]
|
|
except ValueError:
|
|
# We didn't find anything
|
|
return None
|
|
|
|
return vni
|
|
|
|
|
|
def getNetworkVNI(zkhandler, network):
|
|
# Validate and obtain alternate passed value
|
|
if network.isdigit():
|
|
net_description = searchClusterByVNI(zkhandler, network)
|
|
net_vni = searchClusterByDescription(zkhandler, net_description)
|
|
else:
|
|
net_vni = searchClusterByDescription(zkhandler, network)
|
|
net_description = searchClusterByVNI(zkhandler, net_vni)
|
|
|
|
return net_vni
|
|
|
|
|
|
def getNetworkDescription(zkhandler, network):
|
|
# Validate and obtain alternate passed value
|
|
if network.isdigit():
|
|
net_description = searchClusterByVNI(zkhandler, network)
|
|
net_vni = searchClusterByDescription(zkhandler, net_description)
|
|
else:
|
|
net_vni = searchClusterByDescription(zkhandler, network)
|
|
net_description = searchClusterByVNI(zkhandler, net_vni)
|
|
|
|
return net_description
|
|
|
|
|
|
def getNetworkDHCPLeases(zkhandler, vni):
|
|
# Get a list of DHCP leases by listing the children of /networks/<vni>/dhcp4_leases
|
|
leases = zkhandler.children(('network.lease', vni))
|
|
return sorted(leases)
|
|
|
|
|
|
def getNetworkDHCPReservations(zkhandler, vni):
|
|
# Get a list of DHCP reservations by listing the children of /networks/<vni>/dhcp4_reservations
|
|
reservations = zkhandler.children(('network.reservation', vni))
|
|
return sorted(reservations)
|
|
|
|
|
|
def getNetworkACLs(zkhandler, vni, _direction):
|
|
# Get the (sorted) list of active ACLs
|
|
if _direction == 'both':
|
|
directions = ['in', 'out']
|
|
else:
|
|
directions = [_direction]
|
|
|
|
full_acl_list = []
|
|
for direction in directions:
|
|
unordered_acl_list = zkhandler.children((f'network.rule.{direction}', vni))
|
|
if len(unordered_acl_list) < 1:
|
|
continue
|
|
|
|
ordered_acls = dict()
|
|
for acl in unordered_acl_list:
|
|
order = zkhandler.read((f'network.rule.{direction}', vni, 'rule.order', acl))
|
|
if order is None:
|
|
continue
|
|
ordered_acls[order] = acl
|
|
|
|
for order in sorted(ordered_acls.keys()):
|
|
rule = zkhandler.read((f'network.rule.{direction}', vni, 'rule.rule', acl))
|
|
if rule is None:
|
|
continue
|
|
full_acl_list.append({'direction': direction, 'order': int(order), 'description': ordered_acls[order], 'rule': rule})
|
|
|
|
return full_acl_list
|
|
|
|
|
|
def getNetworkInformation(zkhandler, vni):
|
|
description = zkhandler.read(('network', vni))
|
|
nettype = zkhandler.read(('network.type', vni))
|
|
mtu = zkhandler.read(('network.mtu', vni))
|
|
domain = zkhandler.read(('network.domain', vni))
|
|
name_servers = zkhandler.read(('network.nameservers', vni))
|
|
ip6_network = zkhandler.read(('network.ip6.network', vni))
|
|
ip6_gateway = zkhandler.read(('network.ip6.gateway', vni))
|
|
dhcp6_flag = zkhandler.read(('network.ip6.dhcp', vni))
|
|
ip4_network = zkhandler.read(('network.ip4.network', vni))
|
|
ip4_gateway = zkhandler.read(('network.ip4.gateway', vni))
|
|
dhcp4_flag = zkhandler.read(('network.ip4.dhcp', vni))
|
|
dhcp4_start = zkhandler.read(('network.ip4.dhcp_start', vni))
|
|
dhcp4_end = zkhandler.read(('network.ip4.dhcp_end', vni))
|
|
|
|
# Construct a data structure to represent the data
|
|
network_information = {
|
|
'vni': int(vni),
|
|
'description': description,
|
|
'type': nettype,
|
|
'mtu': mtu,
|
|
'domain': domain,
|
|
'name_servers': name_servers.split(','),
|
|
'ip6': {
|
|
'network': ip6_network,
|
|
'gateway': ip6_gateway,
|
|
'dhcp_flag': dhcp6_flag,
|
|
},
|
|
'ip4': {
|
|
'network': ip4_network,
|
|
'gateway': ip4_gateway,
|
|
'dhcp_flag': dhcp4_flag,
|
|
'dhcp_start': dhcp4_start,
|
|
'dhcp_end': dhcp4_end
|
|
}
|
|
}
|
|
return network_information
|
|
|
|
|
|
def getDHCPLeaseInformation(zkhandler, vni, mac_address):
|
|
# Check whether this is a dynamic or static lease
|
|
if zkhandler.exists(('network.lease', vni, 'lease', mac_address)):
|
|
type_key = 'lease'
|
|
elif zkhandler.exists(('network.reservation', vni, 'reservation', mac_address)):
|
|
type_key = 'reservation'
|
|
else:
|
|
return None
|
|
|
|
hostname = zkhandler.read((f'network.{type_key}', vni, f'{type_key}.hostname', mac_address))
|
|
ip4_address = zkhandler.read((f'network.{type_key}', vni, f'{type_key}.ip', mac_address))
|
|
if type_key == 'lease':
|
|
timestamp = zkhandler.read((f'network.{type_key}', vni, f'{type_key}.expiry', mac_address))
|
|
else:
|
|
timestamp = 'static'
|
|
|
|
# Construct a data structure to represent the data
|
|
lease_information = {
|
|
'hostname': hostname,
|
|
'ip4_address': ip4_address,
|
|
'mac_address': mac_address,
|
|
'timestamp': timestamp
|
|
}
|
|
return lease_information
|
|
|
|
|
|
def getACLInformation(zkhandler, vni, direction, acl):
|
|
order = zkhandler.read((f'network.rule.{direction}', vni, 'rule.order', acl))
|
|
rule = zkhandler.read((f'network.rule.{direction}', vni, 'rule.rule', acl))
|
|
|
|
# Construct a data structure to represent the data
|
|
acl_information = {
|
|
'order': order,
|
|
'description': acl,
|
|
'rule': rule,
|
|
'direction': direction
|
|
}
|
|
return acl_information
|
|
|
|
|
|
def isValidMAC(macaddr):
|
|
allowed = re.compile(r'(^([0-9A-F]{2}[:]){5}([0-9A-F]{2})$)', re.VERBOSE | re.IGNORECASE)
|
|
|
|
if allowed.match(macaddr):
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
|
|
def isValidIP(ipaddr):
|
|
ip4_blocks = str(ipaddr).split(".")
|
|
if len(ip4_blocks) == 4:
|
|
for block in ip4_blocks:
|
|
# Check if number is digit, if not checked before calling this function
|
|
if not block.isdigit():
|
|
return False
|
|
tmp = int(block)
|
|
if 0 > tmp > 255:
|
|
return False
|
|
return True
|
|
return False
|
|
|
|
|
|
#
|
|
# Direct functions
|
|
#
|
|
def add_network(zkhandler, vni, description, nettype, mtu,
|
|
domain, name_servers, ip4_network, ip4_gateway, ip6_network, ip6_gateway,
|
|
dhcp4_flag, dhcp4_start, dhcp4_end):
|
|
# Ensure start and end DHCP ranges are set if the flag is set
|
|
if dhcp4_flag and (not dhcp4_start or not dhcp4_end):
|
|
return False, 'ERROR: DHCPv4 start and end addresses are required for a DHCPv4-enabled network.'
|
|
|
|
# Check if a network with this VNI or description already exists
|
|
if zkhandler.exists(('network', vni)):
|
|
return False, 'ERROR: A network with VNI "{}" already exists!'.format(vni)
|
|
|
|
for network in zkhandler.children('base.network'):
|
|
network_description = zkhandler.read(('network', network))
|
|
if network_description == description:
|
|
return False, 'ERROR: A network with description "{}" already exists!'.format(description)
|
|
|
|
# We're generating the default gateway to be ip6_network::1/YY
|
|
if ip6_network:
|
|
dhcp6_flag = 'True'
|
|
if not ip6_gateway:
|
|
ip6_netpart, ip6_maskpart = ip6_network.split('/')
|
|
ip6_gateway = '{}1'.format(ip6_netpart)
|
|
else:
|
|
dhcp6_flag = 'False'
|
|
|
|
if nettype in ['managed'] and not domain:
|
|
domain = '{}.local'.format(description)
|
|
|
|
# Add the new network to Zookeeper
|
|
result = zkhandler.write([
|
|
(('network', vni), description),
|
|
(('network.type', vni), nettype),
|
|
(('network.mtu', vni), mtu),
|
|
(('network.domain', vni), domain),
|
|
(('network.nameservers', vni), name_servers),
|
|
(('network.ip6.network', vni), ip6_network),
|
|
(('network.ip6.gateway', vni), ip6_gateway),
|
|
(('network.ip6.dhcp', vni), dhcp6_flag),
|
|
(('network.ip4.network', vni), ip4_network),
|
|
(('network.ip4.gateway', vni), ip4_gateway),
|
|
(('network.ip4.dhcp', vni), dhcp4_flag),
|
|
(('network.ip4.dhcp_start', vni), dhcp4_start),
|
|
(('network.ip4.dhcp_end', vni), dhcp4_end),
|
|
(('network.lease', vni), ''),
|
|
(('network.reservation', vni), ''),
|
|
(('network.rule', vni), ''),
|
|
(('network.rule.in', vni), ''),
|
|
(('network.rule.out', vni), '')
|
|
])
|
|
|
|
if result:
|
|
return True, 'Network "{}" added successfully!'.format(description)
|
|
else:
|
|
return False, 'ERROR: Failed to add network.'
|
|
|
|
|
|
def modify_network(zkhandler, vni, description=None, mtu=None, domain=None, name_servers=None,
|
|
ip4_network=None, ip4_gateway=None, ip6_network=None, ip6_gateway=None,
|
|
dhcp4_flag=None, dhcp4_start=None, dhcp4_end=None):
|
|
# Add the modified parameters to Zookeeper
|
|
update_data = list()
|
|
if description is not None:
|
|
update_data.append((('network', vni), description))
|
|
if mtu is not None:
|
|
update_data.append((('network.mtu', vni), mtu))
|
|
if domain is not None:
|
|
update_data.append((('network.domain', vni), domain))
|
|
if name_servers is not None:
|
|
update_data.append((('network.nameservers', vni), name_servers))
|
|
if ip4_network is not None:
|
|
update_data.append((('network.ip4.network', vni), ip4_network))
|
|
if ip4_gateway is not None:
|
|
update_data.append((('network.ip4.gateway', vni), ip4_gateway))
|
|
if ip6_network is not None:
|
|
update_data.append((('network.ip6.network', vni), ip6_network))
|
|
if ip6_network:
|
|
update_data.append((('network.ip6.dhcp', vni), 'True'))
|
|
else:
|
|
update_data.append((('network.ip6.dhcp', vni), 'False'))
|
|
if ip6_gateway is not None:
|
|
update_data.append((('network.ip6.gateway', vni), ip6_gateway))
|
|
else:
|
|
# If we're changing the network, but don't also specify the gateway,
|
|
# generate a new one automatically
|
|
if ip6_network:
|
|
ip6_netpart, ip6_maskpart = ip6_network.split('/')
|
|
ip6_gateway = '{}1'.format(ip6_netpart)
|
|
update_data.append((('network.ip6.gateway', vni), ip6_gateway))
|
|
if dhcp4_flag is not None:
|
|
update_data.append((('network.ip4.dhcp', vni), dhcp4_flag))
|
|
if dhcp4_start is not None:
|
|
update_data.append((('network.ip4.dhcp_start', vni), dhcp4_start))
|
|
if dhcp4_end is not None:
|
|
update_data.append((('network.ip4.dhcp_end', vni), dhcp4_end))
|
|
|
|
zkhandler.write(update_data)
|
|
|
|
return True, 'Network "{}" modified successfully!'.format(vni)
|
|
|
|
|
|
def remove_network(zkhandler, network):
|
|
# Validate and obtain alternate passed value
|
|
vni = getNetworkVNI(zkhandler, network)
|
|
description = getNetworkDescription(zkhandler, network)
|
|
if not vni:
|
|
return False, 'ERROR: Could not find network "{}" in the cluster!'.format(network)
|
|
|
|
# Delete the configuration
|
|
zkhandler.delete([
|
|
('network', vni)
|
|
])
|
|
|
|
return True, 'Network "{}" removed successfully!'.format(description)
|
|
|
|
|
|
def add_dhcp_reservation(zkhandler, network, ipaddress, macaddress, hostname):
|
|
# Validate and obtain standard passed value
|
|
net_vni = getNetworkVNI(zkhandler, network)
|
|
if not net_vni:
|
|
return False, 'ERROR: Could not find network "{}" in the cluster!'.format(network)
|
|
|
|
# Use lowercase MAC format exclusively
|
|
macaddress = macaddress.lower()
|
|
|
|
if not isValidMAC(macaddress):
|
|
return False, 'ERROR: MAC address "{}" is not valid! Always use ":" as a separator.'.format(macaddress)
|
|
|
|
if not isValidIP(ipaddress):
|
|
return False, 'ERROR: IP address "{}" is not valid!'.format(macaddress)
|
|
|
|
if zkhandler.exists(('network.reservation', net_vni, 'reservation', macaddress)):
|
|
return False, 'ERROR: A reservation with MAC "{}" already exists!'.format(macaddress)
|
|
|
|
# Add the new static lease to ZK
|
|
zkhandler.write([
|
|
(('network.reservation', net_vni, 'reservation', macaddress), 'static'),
|
|
(('network.reservation', net_vni, 'reservation.hostname', macaddress), hostname),
|
|
(('network.reservation', net_vni, 'reservation.ip', macaddress), ipaddress),
|
|
])
|
|
|
|
return True, 'DHCP reservation "{}" added successfully!'.format(macaddress)
|
|
|
|
|
|
def remove_dhcp_reservation(zkhandler, network, reservation):
|
|
# Validate and obtain standard passed value
|
|
net_vni = getNetworkVNI(zkhandler, network)
|
|
if not net_vni:
|
|
return False, 'ERROR: Could not find network "{}" in the cluster!'.format(network)
|
|
|
|
match_description = ''
|
|
|
|
# Check if the reservation matches a static reservation description, a mac, or an IP address currently in the database
|
|
dhcp4_reservations_list = getNetworkDHCPReservations(zkhandler, net_vni)
|
|
for macaddr in dhcp4_reservations_list:
|
|
hostname = zkhandler.read(('network.reservation', net_vni, 'reservation.hostname', macaddr))
|
|
ipaddress = zkhandler.read(('network.reservation', net_vni, 'reservation.ip', macaddr))
|
|
if reservation == macaddr or reservation == hostname or reservation == ipaddress:
|
|
match_description = macaddr
|
|
lease_type_zk = 'reservation'
|
|
lease_type_human = 'static reservation'
|
|
|
|
# Check if the reservation matches a dynamic reservation description, a mac, or an IP address currently in the database
|
|
dhcp4_leases_list = getNetworkDHCPLeases(zkhandler, net_vni)
|
|
for macaddr in dhcp4_leases_list:
|
|
hostname = zkhandler.read(('network.lease', net_vni, 'lease.hostname', macaddr))
|
|
ipaddress = zkhandler.read(('network.lease', net_vni, 'lease.ip', macaddr))
|
|
if reservation == macaddr or reservation == hostname or reservation == ipaddress:
|
|
match_description = macaddr
|
|
lease_type_zk = 'lease'
|
|
lease_type_human = 'dynamic lease'
|
|
|
|
if not match_description:
|
|
return False, 'ERROR: No DHCP reservation or lease exists matching "{}"!'.format(reservation)
|
|
|
|
# Remove the entry from zookeeper
|
|
zkhandler.delete([
|
|
(f'network.{lease_type_zk}', net_vni, f'{lease_type_zk}', match_description),
|
|
])
|
|
|
|
return True, 'DHCP {} "{}" removed successfully!'.format(lease_type_human, match_description)
|
|
|
|
|
|
def add_acl(zkhandler, network, direction, description, rule, order):
|
|
# Validate and obtain standard passed value
|
|
net_vni = getNetworkVNI(zkhandler, network)
|
|
if not net_vni:
|
|
return False, 'ERROR: Could not find network "{}" in the cluster!'.format(network)
|
|
|
|
# Check if the ACL matches a description currently in the database
|
|
match_description = ''
|
|
full_acl_list = getNetworkACLs(zkhandler, net_vni, 'both')
|
|
for acl in full_acl_list:
|
|
if acl['description'] == description:
|
|
match_description = acl['description']
|
|
|
|
if match_description:
|
|
return False, 'ERROR: A rule with description "{}" already exists!'.format(description)
|
|
|
|
# Change direction to something more usable
|
|
if direction:
|
|
direction = "in"
|
|
else:
|
|
direction = "out"
|
|
|
|
# Handle reordering
|
|
full_acl_list = getNetworkACLs(zkhandler, net_vni, direction)
|
|
acl_list_length = len(full_acl_list)
|
|
# Set order to len
|
|
if not order or int(order) > acl_list_length:
|
|
order = acl_list_length
|
|
# Convert passed-in order to an integer
|
|
else:
|
|
order = int(order)
|
|
|
|
# Insert into the array at order-1
|
|
full_acl_list.insert(order, {'direction': direction, 'description': description, 'rule': rule})
|
|
|
|
# Update the existing ordering
|
|
for idx, acl in enumerate(full_acl_list):
|
|
if acl['description'] == description:
|
|
continue
|
|
|
|
if idx == acl['order']:
|
|
continue
|
|
else:
|
|
zkhandler.write([
|
|
((f'network.rule.{direction}', net_vni, 'rule.order', acl['description']), idx)
|
|
])
|
|
|
|
# Add the new rule
|
|
zkhandler.write([
|
|
((f'network.rule.{direction}', net_vni, 'rule', description), ''),
|
|
((f'network.rule.{direction}', net_vni, 'rule.order', description), order),
|
|
((f'network.rule.{direction}', net_vni, 'rule.rule', description), rule),
|
|
])
|
|
|
|
return True, 'Firewall rule "{}" added successfully!'.format(description)
|
|
|
|
|
|
def remove_acl(zkhandler, network, description):
|
|
# Validate and obtain standard passed value
|
|
net_vni = getNetworkVNI(zkhandler, network)
|
|
if not net_vni:
|
|
return False, 'ERROR: Could not find network "{}" in the cluster!'.format(network)
|
|
|
|
match_description = ''
|
|
|
|
# Check if the ACL matches a description currently in the database
|
|
acl_list = getNetworkACLs(zkhandler, net_vni, 'both')
|
|
for acl in acl_list:
|
|
if acl['description'] == description:
|
|
match_description = acl['description']
|
|
match_direction = acl['direction']
|
|
|
|
if not match_description:
|
|
return False, 'ERROR: No firewall rule exists matching description "{}"!'.format(description)
|
|
|
|
# Remove the entry from zookeeper
|
|
zkhandler.delete([
|
|
(f'network.rule.{match_direction}', net_vni, 'rule', match_description)
|
|
])
|
|
|
|
# Update the existing ordering
|
|
updated_acl_list = getNetworkACLs(zkhandler, net_vni, match_direction)
|
|
for idx, acl in enumerate(updated_acl_list):
|
|
if acl['description'] == description:
|
|
continue
|
|
|
|
if idx == acl['order']:
|
|
continue
|
|
else:
|
|
zkhandler.write([
|
|
((f'network.rule.{match_direction}', net_vni, 'rule.order', acl['description']), idx),
|
|
])
|
|
|
|
return True, 'Firewall rule "{}" removed successfully!'.format(match_description)
|
|
|
|
|
|
def get_info(zkhandler, network):
|
|
# Validate and obtain alternate passed value
|
|
net_vni = getNetworkVNI(zkhandler, network)
|
|
if not net_vni:
|
|
return False, 'ERROR: Could not find network "{}" in the cluster!'.format(network)
|
|
|
|
network_information = getNetworkInformation(zkhandler, network)
|
|
if not network_information:
|
|
return False, 'ERROR: Could not get information about network "{}"'.format(network)
|
|
|
|
return True, network_information
|
|
|
|
|
|
def get_list(zkhandler, limit, is_fuzzy=True):
|
|
net_list = []
|
|
full_net_list = zkhandler.children('base.network')
|
|
|
|
for net in full_net_list:
|
|
description = zkhandler.read(('network', net))
|
|
if limit:
|
|
try:
|
|
if not is_fuzzy:
|
|
limit = '^' + limit + '$'
|
|
|
|
if re.match(limit, net):
|
|
net_list.append(getNetworkInformation(zkhandler, net))
|
|
if re.match(limit, description):
|
|
net_list.append(getNetworkInformation(zkhandler, net))
|
|
except Exception as e:
|
|
return False, 'Regex Error: {}'.format(e)
|
|
else:
|
|
net_list.append(getNetworkInformation(zkhandler, net))
|
|
|
|
return True, net_list
|
|
|
|
|
|
def get_list_dhcp(zkhandler, network, limit, only_static=False, is_fuzzy=True):
|
|
# Validate and obtain alternate passed value
|
|
net_vni = getNetworkVNI(zkhandler, network)
|
|
if not net_vni:
|
|
return False, 'ERROR: Could not find network "{}" in the cluster!'.format(network)
|
|
|
|
dhcp_list = []
|
|
|
|
if only_static:
|
|
full_dhcp_list = getNetworkDHCPReservations(zkhandler, net_vni)
|
|
else:
|
|
full_dhcp_list = getNetworkDHCPReservations(zkhandler, net_vni)
|
|
full_dhcp_list += getNetworkDHCPLeases(zkhandler, net_vni)
|
|
|
|
if limit:
|
|
try:
|
|
if not is_fuzzy:
|
|
limit = '^' + limit + '$'
|
|
|
|
# Implcitly assume fuzzy limits
|
|
if not re.match(r'\^.*', limit):
|
|
limit = '.*' + limit
|
|
if not re.match(r'.*\$', limit):
|
|
limit = limit + '.*'
|
|
except Exception as e:
|
|
return False, 'Regex Error: {}'.format(e)
|
|
|
|
for lease in full_dhcp_list:
|
|
valid_lease = False
|
|
if limit:
|
|
if re.match(limit, lease):
|
|
valid_lease = True
|
|
if re.match(limit, lease):
|
|
valid_lease = True
|
|
else:
|
|
valid_lease = True
|
|
|
|
if valid_lease:
|
|
dhcp_list.append(getDHCPLeaseInformation(zkhandler, net_vni, lease))
|
|
|
|
return True, dhcp_list
|
|
|
|
|
|
def get_list_acl(zkhandler, network, limit, direction, is_fuzzy=True):
|
|
# Validate and obtain alternate passed value
|
|
net_vni = getNetworkVNI(zkhandler, network)
|
|
if not net_vni:
|
|
return False, 'ERROR: Could not find network "{}" in the cluster!'.format(network)
|
|
|
|
# Change direction to something more usable
|
|
if direction is None:
|
|
direction = "both"
|
|
elif direction is True:
|
|
direction = "in"
|
|
elif direction is False:
|
|
direction = "out"
|
|
|
|
acl_list = []
|
|
full_acl_list = getNetworkACLs(zkhandler, net_vni, direction)
|
|
|
|
if limit:
|
|
try:
|
|
if not is_fuzzy:
|
|
limit = '^' + limit + '$'
|
|
|
|
# Implcitly assume fuzzy limits
|
|
if not re.match(r'\^.*', limit):
|
|
limit = '.*' + limit
|
|
if not re.match(r'.*\$', limit):
|
|
limit = limit + '.*'
|
|
except Exception as e:
|
|
return False, 'Regex Error: {}'.format(e)
|
|
|
|
for acl in full_acl_list:
|
|
valid_acl = False
|
|
if limit:
|
|
if re.match(limit, acl['description']):
|
|
valid_acl = True
|
|
else:
|
|
valid_acl = True
|
|
|
|
if valid_acl:
|
|
acl_list.append(acl)
|
|
|
|
return True, acl_list
|
|
|
|
|
|
#
|
|
# SR-IOV functions
|
|
#
|
|
# These are separate since they don't work like other network types
|
|
#
|
|
def getSRIOVPFInformation(zkhandler, node, pf):
|
|
mtu = zkhandler.read(('node.sriov.pf', node, 'sriov_pf.mtu', pf))
|
|
|
|
retcode, vf_list = get_list_sriov_vf(zkhandler, node, pf)
|
|
if retcode:
|
|
vfs = common.sortInterfaceNames([vf['phy'] for vf in vf_list if vf['pf'] == pf])
|
|
else:
|
|
vfs = []
|
|
|
|
# Construct a data structure to represent the data
|
|
pf_information = {
|
|
'phy': pf,
|
|
'mtu': mtu,
|
|
'vfs': vfs,
|
|
}
|
|
return pf_information
|
|
|
|
|
|
def get_info_sriov_pf(zkhandler, node, pf):
|
|
pf_information = getSRIOVPFInformation(zkhandler, node, pf)
|
|
if not pf_information:
|
|
return False, 'ERROR: Could not get information about SR-IOV PF "{}" on node "{}"'.format(pf, node)
|
|
|
|
return True, pf_information
|
|
|
|
|
|
def get_list_sriov_pf(zkhandler, node):
|
|
pf_list = list()
|
|
pf_phy_list = zkhandler.children(('node.sriov.pf', node))
|
|
for phy in pf_phy_list:
|
|
retcode, pf_information = get_info_sriov_pf(zkhandler, node, phy)
|
|
if retcode:
|
|
pf_list.append(pf_information)
|
|
|
|
return True, pf_list
|
|
|
|
|
|
def getSRIOVVFInformation(zkhandler, node, vf):
|
|
if not zkhandler.exists(('node.sriov.vf', node, 'sriov_vf', vf)):
|
|
return []
|
|
|
|
pf = zkhandler.read(('node.sriov.vf', node, 'sriov_vf.pf', vf))
|
|
mtu = zkhandler.read(('node.sriov.vf', node, 'sriov_vf.mtu', vf))
|
|
mac = zkhandler.read(('node.sriov.vf', node, 'sriov_vf.mac', vf))
|
|
vlan_id = zkhandler.read(('node.sriov.vf', node, 'sriov_vf.config.vlan_id', vf))
|
|
vlan_qos = zkhandler.read(('node.sriov.vf', node, 'sriov_vf.config.vlan_qos', vf))
|
|
tx_rate_min = zkhandler.read(('node.sriov.vf', node, 'sriov_vf.config.tx_rate_min', vf))
|
|
tx_rate_max = zkhandler.read(('node.sriov.vf', node, 'sriov_vf.config.tx_rate_max', vf))
|
|
link_state = zkhandler.read(('node.sriov.vf', node, 'sriov_vf.config.link_state', vf))
|
|
spoof_check = zkhandler.read(('node.sriov.vf', node, 'sriov_vf.config.spoof_check', vf))
|
|
trust = zkhandler.read(('node.sriov.vf', node, 'sriov_vf.config.trust', vf))
|
|
query_rss = zkhandler.read(('node.sriov.vf', node, 'sriov_vf.config.query_rss', vf))
|
|
pci_domain = zkhandler.read(('node.sriov.vf', node, 'sriov_vf.pci.domain', vf))
|
|
pci_bus = zkhandler.read(('node.sriov.vf', node, 'sriov_vf.pci.bus', vf))
|
|
pci_slot = zkhandler.read(('node.sriov.vf', node, 'sriov_vf.pci.slot', vf))
|
|
pci_function = zkhandler.read(('node.sriov.vf', node, 'sriov_vf.pci.function', vf))
|
|
used = zkhandler.read(('node.sriov.vf', node, 'sriov_vf.used', vf))
|
|
used_by_domain = zkhandler.read(('node.sriov.vf', node, 'sriov_vf.used_by', vf))
|
|
|
|
vf_information = {
|
|
'phy': vf,
|
|
'pf': pf,
|
|
'mtu': mtu,
|
|
'mac': mac,
|
|
'config': {
|
|
'vlan_id': vlan_id,
|
|
'vlan_qos': vlan_qos,
|
|
'tx_rate_min': tx_rate_min,
|
|
'tx_rate_max': tx_rate_max,
|
|
'link_state': link_state,
|
|
'spoof_check': spoof_check,
|
|
'trust': trust,
|
|
'query_rss': query_rss,
|
|
},
|
|
'pci': {
|
|
'domain': pci_domain,
|
|
'bus': pci_bus,
|
|
'slot': pci_slot,
|
|
'function': pci_function,
|
|
},
|
|
'usage': {
|
|
'used': used,
|
|
'domain': used_by_domain,
|
|
}
|
|
}
|
|
return vf_information
|
|
|
|
|
|
def get_info_sriov_vf(zkhandler, node, vf):
|
|
# Verify node is valid
|
|
valid_node = common.verifyNode(zkhandler, node)
|
|
if not valid_node:
|
|
return False, 'ERROR: Specified node "{}" is invalid.'.format(node)
|
|
|
|
vf_information = getSRIOVVFInformation(zkhandler, node, vf)
|
|
if not vf_information:
|
|
return False, 'ERROR: Could not find SR-IOV VF "{}" on node "{}"'.format(vf, node)
|
|
|
|
return True, vf_information
|
|
|
|
|
|
def get_list_sriov_vf(zkhandler, node, pf=None):
|
|
# Verify node is valid
|
|
valid_node = common.verifyNode(zkhandler, node)
|
|
if not valid_node:
|
|
return False, 'ERROR: Specified node "{}" is invalid.'.format(node)
|
|
|
|
vf_list = list()
|
|
vf_phy_list = common.sortInterfaceNames(zkhandler.children(('node.sriov.vf', node)))
|
|
for phy in vf_phy_list:
|
|
retcode, vf_information = get_info_sriov_vf(zkhandler, node, phy)
|
|
if retcode:
|
|
if pf is not None:
|
|
if vf_information['pf'] == pf:
|
|
vf_list.append(vf_information)
|
|
else:
|
|
vf_list.append(vf_information)
|
|
|
|
return True, vf_list
|
|
|
|
|
|
def set_sriov_vf_config(zkhandler, node, vf, vlan_id=None, vlan_qos=None, tx_rate_min=None, tx_rate_max=None, link_state=None, spoof_check=None, trust=None, query_rss=None):
|
|
# Verify node is valid
|
|
valid_node = common.verifyNode(zkhandler, node)
|
|
if not valid_node:
|
|
return False, 'ERROR: Specified node "{}" is invalid.'.format(node)
|
|
|
|
# Verify VF is valid
|
|
vf_information = getSRIOVVFInformation(zkhandler, node, vf)
|
|
if not vf_information:
|
|
return False, 'ERROR: Could not find SR-IOV VF "{}" on node "{}".'.format(vf, node)
|
|
|
|
update_list = list()
|
|
|
|
if vlan_id is not None:
|
|
update_list.append((('node.sriov.vf', node, 'sriov_vf.config.vlan_id', vf), vlan_id))
|
|
|
|
if vlan_qos is not None:
|
|
update_list.append((('node.sriov.vf', node, 'sriov_vf.config.vlan_qos', vf), vlan_qos))
|
|
|
|
if tx_rate_min is not None:
|
|
update_list.append((('node.sriov.vf', node, 'sriov_vf.config.tx_rate_min', vf), tx_rate_min))
|
|
|
|
if tx_rate_max is not None:
|
|
update_list.append((('node.sriov.vf', node, 'sriov_vf.config.tx_rate_max', vf), tx_rate_max))
|
|
|
|
if link_state is not None:
|
|
update_list.append((('node.sriov.vf', node, 'sriov_vf.config.link_state', vf), link_state))
|
|
|
|
if spoof_check is not None:
|
|
update_list.append((('node.sriov.vf', node, 'sriov_vf.config.spoof_check', vf), spoof_check))
|
|
|
|
if trust is not None:
|
|
update_list.append((('node.sriov.vf', node, 'sriov_vf.config.trust', vf), trust))
|
|
|
|
if query_rss is not None:
|
|
update_list.append((('node.sriov.vf', node, 'sriov_vf.config.query_rss', vf), query_rss))
|
|
|
|
if len(update_list) < 1:
|
|
return False, 'ERROR: No changes to apply.'
|
|
|
|
result = zkhandler.write(update_list)
|
|
if result:
|
|
return True, 'Successfully modified configuration of SR-IOV VF "{}" on node "{}".'.format(vf, node)
|
|
else:
|
|
return False, 'Failed to modify configuration of SR-IOV VF "{}" on node "{}".'.format(vf, node)
|
|
|
|
|
|
def set_sriov_vf_vm(zkhandler, vm_uuid, node, vf, vf_macaddr, vf_type):
|
|
# Verify node is valid
|
|
valid_node = common.verifyNode(zkhandler, node)
|
|
if not valid_node:
|
|
return False
|
|
|
|
# Verify VF is valid
|
|
vf_information = getSRIOVVFInformation(zkhandler, node, vf)
|
|
if not vf_information:
|
|
return False
|
|
|
|
update_list = [
|
|
(('node.sriov.vf', node, 'sriov_vf.used', vf), 'True'),
|
|
(('node.sriov.vf', node, 'sriov_vf.used_by', vf), vm_uuid),
|
|
(('node.sriov.vf', node, 'sriov_vf.mac', vf), vf_macaddr),
|
|
]
|
|
|
|
# Hostdev type SR-IOV prevents the guest from live migrating
|
|
if vf_type == 'hostdev':
|
|
update_list.append(
|
|
(('domain.meta.migrate_method', vm_uuid), 'shutdown')
|
|
)
|
|
|
|
zkhandler.write(update_list)
|
|
|
|
return True
|
|
|
|
|
|
def unset_sriov_vf_vm(zkhandler, node, vf):
|
|
# Verify node is valid
|
|
valid_node = common.verifyNode(zkhandler, node)
|
|
if not valid_node:
|
|
return False
|
|
|
|
# Verify VF is valid
|
|
vf_information = getSRIOVVFInformation(zkhandler, node, vf)
|
|
if not vf_information:
|
|
return False
|
|
|
|
update_list = [
|
|
(('node.sriov.vf', node, 'sriov_vf.used', vf), 'False'),
|
|
(('node.sriov.vf', node, 'sriov_vf.used_by', vf), ''),
|
|
(('node.sriov.vf', node, 'sriov_vf.mac', vf), zkhandler.read(('node.sriov.vf', node, 'sriov_vf.phy_mac', vf)))
|
|
]
|
|
|
|
zkhandler.write(update_list)
|
|
|
|
return True
|