380 lines
16 KiB
Python
380 lines
16 KiB
Python
#!/usr/bin/env python3
|
|
|
|
# network.py - PVC CLI client function library, Network fuctions
|
|
# Part of the Parallel Virtual Cluster (PVC) system
|
|
#
|
|
# Copyright (C) 2018-2019 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, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# 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 difflib
|
|
import colorama
|
|
import click
|
|
|
|
import cli_lib.ansiprint as ansiprint
|
|
|
|
#
|
|
# Cluster search functions
|
|
#
|
|
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 getOutputColours(network_information):
|
|
if network_information['ip6']['network'] != "None":
|
|
v6_flag_colour = ansiprint.green()
|
|
else:
|
|
v6_flag_colour = ansiprint.blue()
|
|
if network_information['ip4']['network'] != "None":
|
|
v4_flag_colour = ansiprint.green()
|
|
else:
|
|
v4_flag_colour = ansiprint.blue()
|
|
|
|
if network_information['ip6']['dhcp_flag'] == "True":
|
|
dhcp6_flag_colour = ansiprint.green()
|
|
else:
|
|
dhcp6_flag_colour = ansiprint.blue()
|
|
if network_information['ip4']['dhcp_flag'] == "True":
|
|
dhcp4_flag_colour = ansiprint.green()
|
|
else:
|
|
dhcp4_flag_colour = ansiprint.blue()
|
|
|
|
return v6_flag_colour, v4_flag_colour, dhcp6_flag_colour, dhcp4_flag_colour
|
|
|
|
def format_info(network_information, long_output):
|
|
if not network_information:
|
|
click.echo("No network found")
|
|
return
|
|
|
|
v6_flag_colour, v4_flag_colour, dhcp6_flag_colour, dhcp4_flag_colour = getOutputColours(network_information)
|
|
|
|
# Format a nice output: do this line-by-line then concat the elements at the end
|
|
ainformation = []
|
|
ainformation.append('{}Virtual network information:{}'.format(ansiprint.bold(), ansiprint.end()))
|
|
ainformation.append('')
|
|
# Basic information
|
|
ainformation.append('{}VNI:{} {}'.format(ansiprint.purple(), ansiprint.end(), network_information['vni']))
|
|
ainformation.append('{}Type:{} {}'.format(ansiprint.purple(), ansiprint.end(), network_information['type']))
|
|
ainformation.append('{}Description:{} {}'.format(ansiprint.purple(), ansiprint.end(), network_information['description']))
|
|
if network_information['type'] == 'managed':
|
|
ainformation.append('{}Domain:{} {}'.format(ansiprint.purple(), ansiprint.end(), network_information['domain']))
|
|
ainformation.append('{}DNS Servers:{} {}'.format(ansiprint.purple(), ansiprint.end(), ', '.join(network_information['name_servers'])))
|
|
if network_information['ip6']['network'] != "None":
|
|
ainformation.append('')
|
|
ainformation.append('{}IPv6 network:{} {}'.format(ansiprint.purple(), ansiprint.end(), network_information['ip6']['network']))
|
|
ainformation.append('{}IPv6 gateway:{} {}'.format(ansiprint.purple(), ansiprint.end(), network_information['ip6']['gateway']))
|
|
ainformation.append('{}DHCPv6 enabled:{} {}{}{}'.format(ansiprint.purple(), ansiprint.end(), dhcp6_flag_colour, network_information['ip6']['dhcp_flag'], ansiprint.end()))
|
|
if network_information['ip4']['network'] != "None":
|
|
ainformation.append('')
|
|
ainformation.append('{}IPv4 network:{} {}'.format(ansiprint.purple(), ansiprint.end(), network_information['ip4']['network']))
|
|
ainformation.append('{}IPv4 gateway:{} {}'.format(ansiprint.purple(), ansiprint.end(), network_information['ip4']['gateway']))
|
|
ainformation.append('{}DHCPv4 enabled:{} {}{}{}'.format(ansiprint.purple(), ansiprint.end(), dhcp4_flag_colour, network_information['ip4']['dhcp_flag'], ansiprint.end()))
|
|
if network_information['ip4']['dhcp_flag'] == "True":
|
|
ainformation.append('{}DHCPv4 range:{} {} - {}'.format(ansiprint.purple(), ansiprint.end(), network_information['ip4']['dhcp_start'], network_information['ip4']['dhcp_end']))
|
|
|
|
if long_output:
|
|
dhcp4_reservations_list = getNetworkDHCPReservations(zk_conn, vni)
|
|
if dhcp4_reservations_list:
|
|
ainformation.append('')
|
|
ainformation.append('{}Client DHCPv4 reservations:{}'.format(ansiprint.bold(), ansiprint.end()))
|
|
ainformation.append('')
|
|
# Only show static reservations in the detailed information
|
|
dhcp4_reservations_string = formatDHCPLeaseList(zk_conn, vni, dhcp4_reservations_list, reservations=True)
|
|
for line in dhcp4_reservations_string.split('\n'):
|
|
ainformation.append(line)
|
|
|
|
firewall_rules = zkhandler.listchildren(zk_conn, '/networks/{}/firewall_rules'.format(vni))
|
|
if firewall_rules:
|
|
ainformation.append('')
|
|
ainformation.append('{}Network firewall rules:{}'.format(ansiprint.bold(), ansiprint.end()))
|
|
ainformation.append('')
|
|
formatted_firewall_rules = get_list_firewall_rules(zk_conn, vni)
|
|
|
|
# Join it all together
|
|
click.echo('\n'.join(ainformation))
|
|
|
|
def format_list(network_list):
|
|
if not network_list:
|
|
click.echo("No network found")
|
|
return
|
|
|
|
network_list_output = []
|
|
|
|
# Determine optimal column widths
|
|
net_vni_length = 5
|
|
net_description_length = 12
|
|
net_nettype_length = 8
|
|
net_domain_length = 6
|
|
net_v6_flag_length = 6
|
|
net_dhcp6_flag_length = 7
|
|
net_v4_flag_length = 6
|
|
net_dhcp4_flag_length = 7
|
|
for network_information in network_list:
|
|
# vni column
|
|
_net_vni_length = len(str(network_information['vni'])) + 1
|
|
if _net_vni_length > net_vni_length:
|
|
net_vni_length = _net_vni_length
|
|
# description column
|
|
_net_description_length = len(network_information['description']) + 1
|
|
if _net_description_length > net_description_length:
|
|
net_description_length = _net_description_length
|
|
# domain column
|
|
_net_domain_length = len(network_information['domain']) + 1
|
|
if _net_domain_length > net_domain_length:
|
|
net_domain_length = _net_domain_length
|
|
|
|
# Format the string (header)
|
|
network_list_output.append('{bold}\
|
|
{net_vni: <{net_vni_length}} \
|
|
{net_description: <{net_description_length}} \
|
|
{net_nettype: <{net_nettype_length}} \
|
|
{net_domain: <{net_domain_length}} \
|
|
{net_v6_flag: <{net_v6_flag_length}} \
|
|
{net_dhcp6_flag: <{net_dhcp6_flag_length}} \
|
|
{net_v4_flag: <{net_v4_flag_length}} \
|
|
{net_dhcp4_flag: <{net_dhcp4_flag_length}} \
|
|
{end_bold}'.format(
|
|
bold=ansiprint.bold(),
|
|
end_bold=ansiprint.end(),
|
|
net_vni_length=net_vni_length,
|
|
net_description_length=net_description_length,
|
|
net_nettype_length=net_nettype_length,
|
|
net_domain_length=net_domain_length,
|
|
net_v6_flag_length=net_v6_flag_length,
|
|
net_dhcp6_flag_length=net_dhcp6_flag_length,
|
|
net_v4_flag_length=net_v4_flag_length,
|
|
net_dhcp4_flag_length=net_dhcp4_flag_length,
|
|
net_vni='VNI',
|
|
net_description='Description',
|
|
net_nettype='Type',
|
|
net_domain='Domain',
|
|
net_v6_flag='IPv6',
|
|
net_dhcp6_flag='DHCPv6',
|
|
net_v4_flag='IPv4',
|
|
net_dhcp4_flag='DHCPv4',
|
|
)
|
|
)
|
|
|
|
for network_information in network_list:
|
|
v6_flag_colour, v4_flag_colour, dhcp6_flag_colour, dhcp4_flag_colour = getOutputColours(network_information)
|
|
if network_information['ip4']['network'] != "None":
|
|
v4_flag = 'True'
|
|
else:
|
|
v4_flag = 'False'
|
|
|
|
if network_information['ip6']['network'] != "None":
|
|
v6_flag = 'True'
|
|
else:
|
|
v6_flag = 'False'
|
|
|
|
if network_information['ip4']['dhcp_flag'] == "True":
|
|
dhcp4_range = '{} - {}'.format(network_information['ip4']['dhcp_start'], network_information['ip4']['dhcp_end'])
|
|
else:
|
|
dhcp4_range = 'N/A'
|
|
|
|
network_list_output.append(
|
|
'{bold}\
|
|
{net_vni: <{net_vni_length}} \
|
|
{net_description: <{net_description_length}} \
|
|
{net_nettype: <{net_nettype_length}} \
|
|
{net_domain: <{net_domain_length}} \
|
|
{v6_flag_colour}{net_v6_flag: <{net_v6_flag_length}}{colour_off} \
|
|
{dhcp6_flag_colour}{net_dhcp6_flag: <{net_dhcp6_flag_length}}{colour_off} \
|
|
{v4_flag_colour}{net_v4_flag: <{net_v4_flag_length}}{colour_off} \
|
|
{dhcp4_flag_colour}{net_dhcp4_flag: <{net_dhcp4_flag_length}}{colour_off} \
|
|
{end_bold}'.format(
|
|
bold='',
|
|
end_bold='',
|
|
net_vni_length=net_vni_length,
|
|
net_description_length=net_description_length,
|
|
net_nettype_length=net_nettype_length,
|
|
net_domain_length=net_domain_length,
|
|
net_v6_flag_length=net_v6_flag_length,
|
|
net_dhcp6_flag_length=net_dhcp6_flag_length,
|
|
net_v4_flag_length=net_v4_flag_length,
|
|
net_dhcp4_flag_length=net_dhcp4_flag_length,
|
|
net_vni=network_information['vni'],
|
|
net_description=network_information['description'],
|
|
net_nettype=network_information['type'],
|
|
net_domain=network_information['domain'],
|
|
net_v6_flag=v6_flag,
|
|
v6_flag_colour=v6_flag_colour,
|
|
net_dhcp6_flag=network_information['ip6']['dhcp_flag'],
|
|
dhcp6_flag_colour=dhcp6_flag_colour,
|
|
net_v4_flag=v4_flag,
|
|
v4_flag_colour=v4_flag_colour,
|
|
net_dhcp4_flag=network_information['ip4']['dhcp_flag'],
|
|
dhcp4_flag_colour=dhcp4_flag_colour,
|
|
colour_off=ansiprint.end()
|
|
)
|
|
)
|
|
|
|
click.echo('\n'.join(sorted(network_list_output)))
|
|
|
|
def format_list_dhcp(dhcp_lease_list):
|
|
dhcp_lease_list_output = []
|
|
|
|
# Determine optimal column widths
|
|
lease_hostname_length = 9
|
|
lease_ip4_address_length = 11
|
|
lease_mac_address_length = 13
|
|
lease_timestamp_length = 13
|
|
for dhcp_lease_information in dhcp_lease_list:
|
|
# hostname column
|
|
_lease_hostname_length = len(dhcp_lease_information['hostname']) + 1
|
|
if _lease_hostname_length > lease_hostname_length:
|
|
lease_hostname_length = _lease_hostname_length
|
|
# ip4_address column
|
|
_lease_ip4_address_length = len(dhcp_lease_information['ip4_address']) + 1
|
|
if _lease_ip4_address_length > lease_ip4_address_length:
|
|
lease_ip4_address_length = _lease_ip4_address_length
|
|
# mac_address column
|
|
_lease_mac_address_length = len(dhcp_lease_information['mac_address']) + 1
|
|
if _lease_mac_address_length > lease_mac_address_length:
|
|
lease_mac_address_length = _lease_mac_address_length
|
|
|
|
# Format the string (header)
|
|
dhcp_lease_list_output.append('{bold}\
|
|
{lease_hostname: <{lease_hostname_length}} \
|
|
{lease_ip4_address: <{lease_ip4_address_length}} \
|
|
{lease_mac_address: <{lease_mac_address_length}} \
|
|
{lease_timestamp: <{lease_timestamp_length}} \
|
|
{end_bold}'.format(
|
|
bold=ansiprint.bold(),
|
|
end_bold=ansiprint.end(),
|
|
lease_hostname_length=lease_hostname_length,
|
|
lease_ip4_address_length=lease_ip4_address_length,
|
|
lease_mac_address_length=lease_mac_address_length,
|
|
lease_timestamp_length=lease_timestamp_length,
|
|
lease_hostname='Hostname',
|
|
lease_ip4_address='IP Address',
|
|
lease_mac_address='MAC Address',
|
|
lease_timestamp='Timestamp'
|
|
)
|
|
)
|
|
|
|
for dhcp_lease_information in dhcp_lease_list:
|
|
dhcp_lease_list_output.append('{bold}\
|
|
{lease_hostname: <{lease_hostname_length}} \
|
|
{lease_ip4_address: <{lease_ip4_address_length}} \
|
|
{lease_mac_address: <{lease_mac_address_length}} \
|
|
{lease_timestamp: <{lease_timestamp_length}} \
|
|
{end_bold}'.format(
|
|
bold='',
|
|
end_bold='',
|
|
lease_hostname_length=lease_hostname_length,
|
|
lease_ip4_address_length=lease_ip4_address_length,
|
|
lease_mac_address_length=lease_mac_address_length,
|
|
lease_timestamp_length=12,
|
|
lease_hostname=dhcp_lease_information['hostname'],
|
|
lease_ip4_address=dhcp_lease_information['ip4_address'],
|
|
lease_mac_address=dhcp_lease_information['mac_address'],
|
|
lease_timestamp=dhcp_lease_information['timestamp']
|
|
)
|
|
)
|
|
|
|
click.echo('\n'.join(sorted(dhcp_lease_list_output)))
|
|
|
|
def format_list_acl(acl_list):
|
|
acl_list_output = []
|
|
|
|
# Determine optimal column widths
|
|
acl_direction_length = 10
|
|
acl_order_length = 6
|
|
acl_description_length = 12
|
|
acl_rule_length = 5
|
|
for acl_information in acl_list:
|
|
# order column
|
|
_acl_order_length = len(str(acl_information['order'])) + 1
|
|
if _acl_order_length > acl_order_length:
|
|
acl_order_length = _acl_order_length
|
|
# description column
|
|
_acl_description_length = len(acl_information['description']) + 1
|
|
if _acl_description_length > acl_description_length:
|
|
acl_description_length = _acl_description_length
|
|
# rule column
|
|
_acl_rule_length = len(acl_information['rule']) + 1
|
|
if _acl_rule_length > acl_rule_length:
|
|
acl_rule_length = _acl_rule_length
|
|
|
|
# Format the string (header)
|
|
acl_list_output.append('{bold}\
|
|
{acl_direction: <{acl_direction_length}} \
|
|
{acl_order: <{acl_order_length}} \
|
|
{acl_description: <{acl_description_length}} \
|
|
{acl_rule: <{acl_rule_length}} \
|
|
{end_bold}'.format(
|
|
bold=ansiprint.bold(),
|
|
end_bold=ansiprint.end(),
|
|
acl_direction_length=acl_direction_length,
|
|
acl_order_length=acl_order_length,
|
|
acl_description_length=acl_description_length,
|
|
acl_rule_length=acl_rule_length,
|
|
acl_direction='Direction',
|
|
acl_order='Order',
|
|
acl_description='Description',
|
|
acl_rule='Rule',
|
|
)
|
|
)
|
|
|
|
for acl_information in acl_list:
|
|
acl_list_output.append('{bold}\
|
|
{acl_direction: <{acl_direction_length}} \
|
|
{acl_order: <{acl_order_length}} \
|
|
{acl_description: <{acl_description_length}} \
|
|
{acl_rule: <{acl_rule_length}} \
|
|
{end_bold}'.format(
|
|
bold='',
|
|
end_bold='',
|
|
acl_direction_length=acl_direction_length,
|
|
acl_order_length=acl_order_length,
|
|
acl_description_length=acl_description_length,
|
|
acl_rule_length=acl_rule_length,
|
|
acl_direction=acl_information['direction'],
|
|
acl_order=acl_information['order'],
|
|
acl_description=acl_information['description'],
|
|
acl_rule=acl_information['rule'],
|
|
)
|
|
)
|
|
|
|
click.echo('\n'.join(sorted(acl_list_output)))
|
|
|