670 lines
24 KiB
Python
670 lines
24 KiB
Python
#!/usr/bin/env python3
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# network.py - PVC CLI client function library, Network functions
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# Part of the Parallel Virtual Cluster (PVC) system
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#
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# Copyright (C) 2018-2020 Joshua M. Boniface <joshua@boniface.me>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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#
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###############################################################################
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import cli_lib.ansiprint as ansiprint
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from cli_lib.common import call_api
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def isValidMAC(macaddr):
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allowed = re.compile(r"""
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(
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^([0-9A-F]{2}[:]){5}([0-9A-F]{2})$
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)
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""",
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re.VERBOSE | re.IGNORECASE)
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if allowed.match(macaddr):
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return True
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else:
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return False
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def isValidIP(ipaddr):
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ip4_blocks = str(ipaddr).split(".")
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if len(ip4_blocks) == 4:
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for block in ip4_blocks:
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# Check if number is digit, if not checked before calling this function
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if not block.isdigit():
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return False
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tmp = int(block)
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if 0 > tmp > 255:
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return False
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return True
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return False
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#
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# Primary functions
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#
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def net_info(config, net):
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"""
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Get information about network
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API endpoint: GET /api/v1/network/{net}
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API arguments:
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API schema: {json_data_object}
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"""
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response = call_api(config, 'get', '/network/{net}'.format(net=net))
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if response.status_code == 200:
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return True, response.json()
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else:
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return False, response.json().get('message', '')
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def net_list(config, limit):
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"""
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Get list information about networks (limited by {limit})
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API endpoint: GET /api/v1/network
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API arguments: limit={limit}
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API schema: [{json_data_object},{json_data_object},etc.]
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"""
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params = dict()
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if limit:
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params['limit'] = limit
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response = call_api(config, 'get', '/network', params=params)
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if response.status_code == 200:
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return True, response.json()
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else:
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return False, response.json().get('message', '')
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def net_add(config, vni, description, nettype, domain, name_servers, ip4_network, ip4_gateway, ip6_network, ip6_gateway, dhcp4_flag, dhcp4_start, dhcp4_end):
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"""
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Add new network
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API endpoint: POST /api/v1/network
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API arguments: lots
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API schema: {"message":"{data}"}
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"""
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params = {
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'vni': vni,
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'description': description,
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'nettype': nettype,
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'domain': domain,
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'name_servers': name_servers,
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'ip4_network': ip4_network,
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'ip4_gateway': ip4_gateway,
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'ip6_network': ip6_network,
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'ip6_gateway': ip6_gateway,
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'dhcp4': dhcp4_flag,
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'dhcp4_start': dhcp4_start,
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'dhcp4_end': dhcp4_end
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}
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response = call_api(config, 'post', '/network', params=params)
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if response.status_code == 200:
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retstatus = True
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else:
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retstatus = False
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return retstatus, response.json().get('message', '')
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def net_modify(config, net, description, domain, name_servers, ip4_network, ip4_gateway, ip6_network, ip6_gateway, dhcp4_flag, dhcp4_start, dhcp4_end):
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"""
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Modify a network
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API endpoint: POST /api/v1/network/{net}
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API arguments: lots
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API schema: {"message":"{data}"}
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"""
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params = dict()
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if description is not None:
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params['description'] = description
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if domain is not None:
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params['domain'] = domain
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if name_servers is not None:
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params['name_servers'] = name_servers
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if ip4_network is not None:
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params['ip4_network'] = ip4_network
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if ip4_gateway is not None:
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params['ip4_gateway'] = ip4_gateway
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if ip6_network is not None:
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params['ip6_network'] = ip6_network
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if ip6_gateway is not None:
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params['ip6_gateway'] = ip6_gateway
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if dhcp4_flag is not None:
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params['dhcp4_flag'] = dhcp4_flag
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if dhcp4_start is not None:
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params['dhcp4_start'] = dhcp4_start
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if dhcp4_end is not None:
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params['dhcp4_end'] = dhcp4_end
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response = call_api(config, 'put', '/network/{net}'.format(net=net), params=params)
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if response.status_code == 200:
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retstatus = True
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else:
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retstatus = False
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return retstatus, response.json().get('message', '')
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def net_remove(config, net):
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"""
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Remove a network
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API endpoint: DELETE /api/v1/network/{net}
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API arguments:
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API schema: {"message":"{data}"}
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"""
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response = call_api(config, 'delete', '/network/{net}'.format(net=net))
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if response.status_code == 200:
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retstatus = True
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else:
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retstatus = False
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return retstatus, response.json().get('message', '')
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#
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# DHCP lease functions
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#
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def net_dhcp_info(config, net, mac):
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"""A
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Get information about network DHCP lease
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API endpoint: GET /api/v1/network/{net}/lease/{mac}
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API arguments:
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API schema: {json_data_object}
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"""
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response = call_api(config, 'get', '/network/{net}/lease/{mac}'.format(net=net, mac=mac))
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if response.status_code == 200:
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return True, response.json()
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else:
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return False, response.json().get('message', '')
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def net_dhcp_list(config, net, limit, only_static=False):
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"""
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Get list information about leases (limited by {limit})
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API endpoint: GET /api/v1/network/{net}/lease
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API arguments: limit={limit}, static={only_static}
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API schema: [{json_data_object},{json_data_object},etc.]
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"""
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params = dict()
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if limit:
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params['limit'] = limit
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if only_static:
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params['static'] = True
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else:
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params['static'] = False
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response = call_api(config, 'get', '/network/{net}/lease'.format(net=net), params=params)
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if response.status_code == 200:
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return True, response.json()
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else:
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return False, response.json().get('message', '')
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def net_dhcp_add(config, net, ipaddr, macaddr, hostname):
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"""
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Add new network DHCP lease
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API endpoint: POST /api/v1/network/{net}/lease
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API arguments: macaddress=macaddr, ipaddress=ipaddr, hostname=hostname
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API schema: {"message":"{data}"}
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"""
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params = {
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'macaddress': macaddr,
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'ipaddress': ipaddr,
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'hostname': hostname
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}
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response = call_api(config, 'post', '/network/{net}/lease'.format(net=net), params=params)
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if response.status_code == 200:
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retstatus = True
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else:
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retstatus = False
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return retstatus, response.json().get('message', '')
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def net_dhcp_remove(config, net, mac):
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"""
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Remove a network DHCP lease
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API endpoint: DELETE /api/v1/network/{vni}/lease/{mac}
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API arguments:
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API schema: {"message":"{data}"}
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"""
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response = call_api(config, 'delete', '/network/{net}/lease/{mac}'.format(net=net, mac=mac))
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if response.status_code == 200:
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retstatus = True
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else:
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retstatus = False
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return retstatus, response.json().get('message', '')
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#
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# ACL functions
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#
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def net_acl_info(config, net, description):
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"""
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Get information about network ACL
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API endpoint: GET /api/v1/network/{net}/acl/{description}
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API arguments:
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API schema: {json_data_object}
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"""
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response = call_api(config, 'get', '/network/{net}/acl/{description}'.format(net=net, description=description))
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if response.status_code == 200:
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return True, response.json()
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else:
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return False, response.json().get('message', '')
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def net_acl_list(config, net, limit, direction):
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"""
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Get list information about ACLs (limited by {limit})
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API endpoint: GET /api/v1/network/{net}/acl
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API arguments: limit={limit}, direction={direction}
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API schema: [{json_data_object},{json_data_object},etc.]
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"""
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params = dict()
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if limit:
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params['limit'] = limit
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if direction is not None:
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params['direction'] = direction
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response = call_api(config, 'get', '/network/{net}/acl'.format(net=net), params=params)
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if response.status_code == 200:
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return True, response.json()
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else:
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return False, response.json().get('message', '')
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def net_acl_add(config, net, direction, description, rule, order):
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"""
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Add new network acl
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API endpoint: POST /api/v1/network/{net}/acl
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API arguments: description=description, direction=direction, order=order, rule=rule
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API schema: {"message":"{data}"}
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"""
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params = dict()
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params['description'] = description
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params['direction'] = direction
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params['rule'] = rule
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if order is not None:
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params['order'] = order
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response = call_api(config, 'post', '/network/{net}/acl'.format(net=net), params=params)
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if response.status_code == 200:
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retstatus = True
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else:
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retstatus = False
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return retstatus, response.json().get('message', '')
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def net_acl_remove(config, net, description):
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"""
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Remove a network ACL
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API endpoint: DELETE /api/v1/network/{vni}/acl/{description}
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API arguments:
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API schema: {"message":"{data}"}
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"""
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response = call_api(config, 'delete', '/network/{net}/acl/{description}'.format(net=net, description=description))
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if response.status_code == 200:
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retstatus = True
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else:
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retstatus = False
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return retstatus, response.json().get('message', '')
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#
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# Output display functions
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#
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def getOutputColours(network_information):
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if network_information['ip6']['network'] != "None":
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v6_flag_colour = ansiprint.green()
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else:
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v6_flag_colour = ansiprint.blue()
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if network_information['ip4']['network'] != "None":
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v4_flag_colour = ansiprint.green()
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else:
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v4_flag_colour = ansiprint.blue()
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if network_information['ip6']['dhcp_flag'] == "True":
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dhcp6_flag_colour = ansiprint.green()
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else:
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dhcp6_flag_colour = ansiprint.blue()
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if network_information['ip4']['dhcp_flag'] == "True":
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dhcp4_flag_colour = ansiprint.green()
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else:
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dhcp4_flag_colour = ansiprint.blue()
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return v6_flag_colour, v4_flag_colour, dhcp6_flag_colour, dhcp4_flag_colour
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def format_info(config, network_information, long_output):
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if not network_information:
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return "No network found"
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v6_flag_colour, v4_flag_colour, dhcp6_flag_colour, dhcp4_flag_colour = getOutputColours(network_information)
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# Format a nice output: do this line-by-line then concat the elements at the end
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ainformation = []
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ainformation.append('{}Virtual network information:{}'.format(ansiprint.bold(), ansiprint.end()))
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ainformation.append('')
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# Basic information
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ainformation.append('{}VNI:{} {}'.format(ansiprint.purple(), ansiprint.end(), network_information['vni']))
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ainformation.append('{}Type:{} {}'.format(ansiprint.purple(), ansiprint.end(), network_information['type']))
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ainformation.append('{}Description:{} {}'.format(ansiprint.purple(), ansiprint.end(), network_information['description']))
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if network_information['type'] == 'managed':
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ainformation.append('{}Domain:{} {}'.format(ansiprint.purple(), ansiprint.end(), network_information['domain']))
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ainformation.append('{}DNS Servers:{} {}'.format(ansiprint.purple(), ansiprint.end(), ', '.join(network_information['name_servers'])))
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if network_information['ip6']['network'] != "None":
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ainformation.append('')
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ainformation.append('{}IPv6 network:{} {}'.format(ansiprint.purple(), ansiprint.end(), network_information['ip6']['network']))
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ainformation.append('{}IPv6 gateway:{} {}'.format(ansiprint.purple(), ansiprint.end(), network_information['ip6']['gateway']))
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ainformation.append('{}DHCPv6 enabled:{} {}{}{}'.format(ansiprint.purple(), ansiprint.end(), dhcp6_flag_colour, network_information['ip6']['dhcp_flag'], ansiprint.end()))
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if network_information['ip4']['network'] != "None":
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ainformation.append('')
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ainformation.append('{}IPv4 network:{} {}'.format(ansiprint.purple(), ansiprint.end(), network_information['ip4']['network']))
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ainformation.append('{}IPv4 gateway:{} {}'.format(ansiprint.purple(), ansiprint.end(), network_information['ip4']['gateway']))
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ainformation.append('{}DHCPv4 enabled:{} {}{}{}'.format(ansiprint.purple(), ansiprint.end(), dhcp4_flag_colour, network_information['ip4']['dhcp_flag'], ansiprint.end()))
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if network_information['ip4']['dhcp_flag'] == "True":
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ainformation.append('{}DHCPv4 range:{} {} - {}'.format(ansiprint.purple(), ansiprint.end(), network_information['ip4']['dhcp_start'], network_information['ip4']['dhcp_end']))
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if long_output:
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retcode, dhcp4_reservations_list = net_dhcp_list(config, network_information['vni'], None)
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if dhcp4_reservations_list:
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ainformation.append('')
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ainformation.append('{}Client DHCPv4 reservations:{}'.format(ansiprint.bold(), ansiprint.end()))
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ainformation.append('')
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if retcode:
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dhcp4_reservations_string = format_list_dhcp(dhcp4_reservations_list)
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for line in dhcp4_reservations_string.split('\n'):
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ainformation.append(line)
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else:
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ainformation.append("No leases found")
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retcode, firewall_rules_list = net_acl_list(config, network_information['vni'], None, None)
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if firewall_rules_list:
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ainformation.append('')
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ainformation.append('{}Network firewall rules:{}'.format(ansiprint.bold(), ansiprint.end()))
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ainformation.append('')
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if retcode:
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firewall_rules_string = format_list_acl(firewall_rules_list)
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for line in firewall_rules_string.split('\n'):
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ainformation.append(line)
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else:
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ainformation.append("No ACLs found")
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# Join it all together
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return '\n'.join(ainformation)
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def format_list(config, network_list):
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if not network_list:
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return "No network found"
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# Handle single-element lists
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if not isinstance(network_list, list):
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network_list = [network_list]
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network_list_output = []
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# Determine optimal column widths
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net_vni_length = 5
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net_description_length = 12
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net_nettype_length = 8
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net_domain_length = 6
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net_v6_flag_length = 6
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net_dhcp6_flag_length = 7
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net_v4_flag_length = 6
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net_dhcp4_flag_length = 7
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for network_information in network_list:
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# vni column
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_net_vni_length = len(str(network_information['vni'])) + 1
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if _net_vni_length > net_vni_length:
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net_vni_length = _net_vni_length
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# description column
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_net_description_length = len(network_information['description']) + 1
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if _net_description_length > net_description_length:
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net_description_length = _net_description_length
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# domain column
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_net_domain_length = len(network_information['domain']) + 1
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if _net_domain_length > net_domain_length:
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net_domain_length = _net_domain_length
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# Format the string (header)
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network_list_output.append('{bold}\
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{net_vni: <{net_vni_length}} \
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{net_description: <{net_description_length}} \
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{net_nettype: <{net_nettype_length}} \
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{net_domain: <{net_domain_length}} \
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{net_v6_flag: <{net_v6_flag_length}} \
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{net_dhcp6_flag: <{net_dhcp6_flag_length}} \
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{net_v4_flag: <{net_v4_flag_length}} \
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{net_dhcp4_flag: <{net_dhcp4_flag_length}} \
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{end_bold}'.format(
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bold=ansiprint.bold(),
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end_bold=ansiprint.end(),
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net_vni_length=net_vni_length,
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net_description_length=net_description_length,
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net_nettype_length=net_nettype_length,
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net_domain_length=net_domain_length,
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net_v6_flag_length=net_v6_flag_length,
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net_dhcp6_flag_length=net_dhcp6_flag_length,
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net_v4_flag_length=net_v4_flag_length,
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net_dhcp4_flag_length=net_dhcp4_flag_length,
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net_vni='VNI',
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net_description='Description',
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net_nettype='Type',
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net_domain='Domain',
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net_v6_flag='IPv6',
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net_dhcp6_flag='DHCPv6',
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net_v4_flag='IPv4',
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net_dhcp4_flag='DHCPv4',
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)
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)
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for network_information in network_list:
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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'
|
|
|
|
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()
|
|
)
|
|
)
|
|
|
|
return '\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(str(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(str(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(str(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=str(dhcp_lease_information['hostname']),
|
|
lease_ip4_address=str(dhcp_lease_information['ip4_address']),
|
|
lease_mac_address=str(dhcp_lease_information['mac_address']),
|
|
lease_timestamp=str(dhcp_lease_information['timestamp'])
|
|
)
|
|
)
|
|
|
|
return '\n'.join(sorted(dhcp_lease_list_output))
|
|
|
|
def format_list_acl(acl_list):
|
|
# Handle when we get an empty entry
|
|
if not acl_list:
|
|
acl_list = list()
|
|
# Handle when we get a single entry
|
|
if isinstance(acl_list, dict):
|
|
acl_list = [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'],
|
|
)
|
|
)
|
|
|
|
return '\n'.join(sorted(acl_list_output))
|