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Support adding the DHCP range with the client

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This commit is contained in:
Joshua Boniface
2018-09-29 02:54:48 -04:00
parent 560fa57176
commit 15f26f9fa3
2 changed files with 71 additions and 31 deletions
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16
cli-client/pvc.py
View File

@@ -604,19 +604,29 @@ def cli_network():
default=False,
help='Enable/disable DHCP for clients on subnet.'
)
@click.option(
'--dhcp-start', 'dhcp_start',
default=None,
help='DHCP range start address.'
)
@click.option(
'--dhcp-end', 'dhcp_end',
default=None,
help='DHCP range end address.'
)
@click.argument(
'vni'
)
def net_add(vni, description, domain, ip_network, ip_gateway, dhcp_flag):
def net_add(vni, description, domain, ip_network, ip_gateway, dhcp_flag, dhcp_start, dhcp_end):
"""
Add a new virtual network with VXLAN identifier VNI to the cluster.
Example:
pvc network add 1001 --domain test.local --ipnet 10.1.1.0/24 --gateway 10.1.1.1 --dhcp
pvc network add 1001 --domain test.local --ipnet 10.1.1.0/24 --gateway 10.1.1.1
"""
zk_conn = pvc_common.startZKConnection(zk_host)
retcode, retmsg = pvc_network.add_network(zk_conn, vni, description, domain, ip_network, ip_gateway, dhcp_flag)
retcode, retmsg = pvc_network.add_network(zk_conn, vni, description, domain, ip_network, ip_gateway, dhcp_flag, dhcp_start, dhcp_end)
cleanup(retcode, retmsg, zk_conn)
###############################################################################

86
client-common/client_lib/network.py
View File

@@ -110,12 +110,14 @@ def getNetworkFirewallRules(zk_conn, vni):
return None
def getNetworkInformation(zk_conn, vni):
description = zk_conn.get('/networks/{}'.format(vni))[0].decode('ascii')
domain = zk_conn.get('/networks/{}/domain'.format(vni))[0].decode('ascii')
ip_network = zk_conn.get('/networks/{}/ip_network'.format(vni))[0].decode('ascii')
ip_gateway = zk_conn.get('/networks/{}/ip_gateway'.format(vni))[0].decode('ascii')
dhcp_flag = zk_conn.get('/networks/{}/dhcp_flag'.format(vni))[0].decode('ascii')
return description, domain, ip_network, ip_gateway, dhcp_flag
description = zkhandler.readdata(zk_conn, '/networks/{}'.format(vni))
domain = zkhandler.readdata(zk_conn, '/networks/{}/domain'.format(vni))
ip_network = zkhandler.readdata(zk_conn, '/networks/{}/ip_network'.format(vni))
ip_gateway = zkhandler.readdata(zk_conn, '/networks/{}/ip_gateway'.format(vni))
dhcp_flag = zkhandler.readdata(zk_conn, '/networks/{}/dhcp_flag'.format(vni))
dhcp_start = zkhandler.readdata(zk_conn, '/networks/{}/dhcp_start'.format(vni))
dhcp_end = zkhandler.readdata(zk_conn, '/networks/{}/dhcp_end'.format(vni))
return description, domain, ip_network, ip_gateway, dhcp_flag, dhcp_start, dhcp_end
def getDHCPReservationInformation(zk_conn, vni, reservation):
description = zkhandler.readdata(zk_conn, '/networks/{}/dhcp_reservations/{}'.format(vni, reservation))
@@ -124,9 +126,9 @@ def getDHCPReservationInformation(zk_conn, vni, reservation):
return description, ip_address, mac_address
def formatNetworkInformation(zk_conn, vni, long_output):
description, ip_network, ip_gateway, dhcp_flag = getNetworkInformation(zk_conn, vni)
description, domain, ip_network, ip_gateway, dhcp_flag, dhcp_start, dhcp_end = getNetworkInformation(zk_conn, vni)
if dhcp_flag:
if dhcp_flag == "True":
dhcp_flag_colour = ansiiprint.green()
else:
dhcp_flag_colour = ansiiprint.blue()
@@ -139,9 +141,12 @@ def formatNetworkInformation(zk_conn, vni, long_output):
# Basic information
ainformation.append('{}VNI:{} {}'.format(ansiiprint.purple(), ansiiprint.end(), vni))
ainformation.append('{}Description:{} {}'.format(ansiiprint.purple(), ansiiprint.end(), description))
ainformation.append('{}Domain:{} {}'.format(ansiiprint.purple(), ansiiprint.end(), domain))
ainformation.append('{}IP network:{} {}'.format(ansiiprint.purple(), ansiiprint.end(), ip_network))
ainformation.append('{}IP gateway:{} {}'.format(ansiiprint.purple(), ansiiprint.end(), ip_gateway))
ainformation.append('{}DHCP enabled:{} {}{}{}'.format(ansiiprint.purple(), ansiiprint.end(), dhcp_flag_colour, dhcp_flag, colour_off))
if dhcp_flag == "True":
ainformation.append('{}DHCP range:{} {} - {}'.format(ansiiprint.purple(), ansiiprint.end(), dhcp_start, dhcp_end))
if long_output:
dhcp_reservations_list = zk_conn.get_children('/networks/{}/dhcp_reservations'.format(vni))
@@ -171,16 +176,22 @@ def formatNetworkList(zk_conn, net_list):
ip_gateway = {}
dhcp_flag = {}
dhcp_flag_colour = {}
dhcp_start = {}
dhcp_end = {}
dhcp_range = {}
colour_off = ansiiprint.end()
# Gather information for printing
for net in net_list:
# get info
description[net], domain[net], ip_network[net], ip_gateway[net], dhcp_flag[net] = getNetworkInformation(zk_conn, net)
if dhcp_flag[net]:
description[net], domain[net], ip_network[net], ip_gateway[net], dhcp_flag[net], dhcp_start[net], dhcp_end[net] = getNetworkInformation(zk_conn, net)
if dhcp_flag[net] == "True":
dhcp_flag_colour[net] = ansiiprint.green()
dhcp_range[net] = '{} - {}'.format(dhcp_start[net], dhcp_end[net])
else:
dhcp_flag_colour[net] = ansiiprint.blue()
dhcp_range[net] = 'N/A'
# Determine optimal column widths
# Dynamic columns: node_name, hypervisor, migrated
@@ -189,6 +200,7 @@ def formatNetworkList(zk_conn, net_list):
net_domain_length = 8
net_ip_network_length = 12
net_ip_gateway_length = 9
net_dhcp_range_length = 12
for net in net_list:
# vni column
_net_vni_length = len(net) + 1
@@ -210,6 +222,10 @@ def formatNetworkList(zk_conn, net_list):
_net_ip_gateway_length = len(ip_gateway[net]) + 1
if _net_ip_gateway_length > net_ip_gateway_length:
net_ip_gateway_length = _net_ip_gateway_length
# dhcp_range column
_net_dhcp_range_length = len(dhcp_range[net]) + 1
if _net_dhcp_range_length > net_dhcp_range_length:
net_dhcp_range_length = _net_dhcp_range_length
# Format the string (header)
net_list_output_header = '{bold}\
@@ -218,7 +234,8 @@ def formatNetworkList(zk_conn, net_list):
{net_domain: <{net_domain_length}} \
{net_ip_network: <{net_ip_network_length}} \
{net_ip_gateway: <{net_ip_gateway_length}} \
{net_dhcp_flag: <8}\
{net_dhcp_flag: <6} \
{net_dhcp_range: <{net_dhcp_range_length}} \
{end_bold}'.format(
bold=ansiiprint.bold(),
end_bold=ansiiprint.end(),
@@ -227,12 +244,14 @@ def formatNetworkList(zk_conn, net_list):
net_domain_length=net_domain_length,
net_ip_network_length=net_ip_network_length,
net_ip_gateway_length=net_ip_gateway_length,
net_dhcp_range_length=net_dhcp_range_length,
net_vni='VNI',
net_description='Description',
net_domain='Domain',
net_ip_network='Network',
net_ip_gateway='Gateway',
net_dhcp_flag='DHCP'
net_dhcp_flag='DHCP',
net_dhcp_range='Range',
)
for net in net_list:
@@ -243,7 +262,8 @@ def formatNetworkList(zk_conn, net_list):
{net_domain: <{net_domain_length}} \
{net_ip_network: <{net_ip_network_length}} \
{net_ip_gateway: <{net_ip_gateway_length}} \
{dhcp_flag_colour}{net_dhcp_flag: <8}{colour_off}\
{dhcp_flag_colour}{net_dhcp_flag: <6}{colour_off} \
{net_dhcp_range: <{net_dhcp_range_length}} \
{end_bold}'.format(
bold='',
end_bold='',
@@ -252,12 +272,14 @@ def formatNetworkList(zk_conn, net_list):
net_domain_length=net_domain_length,
net_ip_network_length=net_ip_network_length,
net_ip_gateway_length=net_ip_gateway_length,
net_dhcp_range_length=net_dhcp_range_length,
net_vni=net,
net_description=description[net],
net_domain=domain[net],
net_ip_network=ip_network[net],
net_ip_gateway=ip_gateway[net],
net_dhcp_flag=dhcp_flag[net],
net_dhcp_range=dhcp_range[net],
dhcp_flag_colour=dhcp_flag_colour[net],
colour_off=colour_off
)
@@ -362,39 +384,47 @@ def isValidIP(ipaddr):
#
# Direct functions
#
def add_network(zk_conn, vni, description, domain, ip_network, ip_gateway, dhcp_flag):
def add_network(zk_conn, vni, description, domain, ip_network, ip_gateway, dhcp_flag, dhcp_start, dhcp_end):
if description == '':
description = vni
if dhcp_flag and ( not dhcp_start or not dhcp_end ):
return False, 'ERROR: DHCP start and end addresses are required for a DHCP-enabled network.'
# Check if a network with this VNI already exists
if zk_conn.exists('/networks/{}'.format(vni)):
return False, 'ERROR: A network with VNI {} already exists!'.format(vni)
# Add the new network to Zookeeper
transaction = zk_conn.transaction()
transaction.create('/networks/{}'.format(vni), description.encode('ascii'))
transaction.create('/networks/{}/domain'.format(vni), domain.encode('ascii'))
transaction.create('/networks/{}/ip_network'.format(vni), ip_network.encode('ascii'))
transaction.create('/networks/{}/ip_gateway'.format(vni), ip_gateway.encode('ascii'))
transaction.create('/networks/{}/dhcp_flag'.format(vni), str(dhcp_flag).encode('ascii'))
transaction.create('/networks/{}/dhcp_reservations'.format(vni), ''.encode('ascii'))
transaction.create('/networks/{}/firewall_rules'.format(vni), ''.encode('ascii'))
results = transaction.commit()
zkhandler.writedata(zk_conn, {
'/networks/{}'.format(vni): description,
'/networks/{}/domain'.format(vni): domain,
'/networks/{}/ip_network'.format(vni): ip_network,
'/networks/{}/ip_gateway'.format(vni): ip_gateway,
'/networks/{}/dhcp_flag'.format(vni): str(dhcp_flag),
'/networks/{}/dhcp_start'.format(vni): dhcp_start,
'/networks/{}/dhcp_end'.format(vni): dhcp_end,
'/networks/{}/dhcp_reservations'.format(vni): '',
'/networks/{}/firewall_rules'.format(vni): ''
})
return True, 'Network "{}" added successfully!'.format(description)
def modify_network(zk_conn, vni, **parameters):
# Add the new network to Zookeeper
transaction = zk_conn.transaction()
zk_data = {}
if parameters['description'] != None:
transaction.set_data('/networks/{}'.format(vni), parameters['description'].encode('ascii'))
zk_data.update({'/networks/{}'.format(vni): parameters['description']})
if parameters['ip_network'] != None:
transaction.set_data('/networks/{}/ip_network'.format(vni), parameters['ip_network'].encode('ascii'))
zk_data.update({'/networks/{}/ip_network'.format(vni): parameters['ip_network']})
if parameters['ip_gateway'] != None:
transaction.set_data('/networks/{}/ip_gateway'.format(vni), parameters['ip_gateway'].encode('ascii'))
zk_data.update({'/networks/{}/ip_gateway'.format(vni): parameters['ip_gateway']})
if parameters['dhcp_flag'] != None:
transaction.set_data('/networks/{}/dhcp_flag'.format(vni), str(parameters['dhcp_flag']).encode('ascii'))
results = transaction.commit()
zk_data.update({'/networks/{}/dhcp_flag'.format(vni): str(parameters['dhcp_flag'])})
print(zk_data)
zkhandler.writedata(zk_conn, zk_data)
return True, 'Network "{}" modified successfully!'.format(vni)