pvc/daemon-common/network.py

1055 lines
33 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