def generate_networks_for_template(self, template, ip_nets,
ip_prefixlen):
"""Slice network to subnets for template.
Generate networks from network template and ip_nets descriptions
for node groups and value to slice that descriptions. ip_nets is a
dict with key named as nodegroup and strings values for with
description of network for that nodegroup in format '127.0.0.1/24'
to be sliced in pieces for networks. ip_prefixlen - the amount the
network prefix length should be sliced by. 24 will create networks
'127.0.0.1/24' from network '127.0.0.1/16'.
:param template: Yaml template with network assignments on interfaces.
:param ip_nets: Dict with network descriptions.
:param ip_prefixlen: Integer for slicing network prefix.
:return: Data to be used to assign networks to nodes.
"""
networks_data = []
nodegroups = self.fuel_web.client.get_nodegroups()
for nodegroup, section in template['adv_net_template'].items():
networks = [(n, section['network_assignments'][n]['ep'])
for n in section['network_assignments']]
assert_true(any(n['name'] == nodegroup for n in nodegroups),
'Network templates contains settings for Node Group '
'"{0}", which does not exist!'.format(nodegroup))
group_id = [n['id'] for n in nodegroups if
n['name'] == nodegroup][0]
ip_network = IPNetwork(ip_nets[nodegroup])
ip_subnets = ip_network.subnet(
int(ip_prefixlen) - int(ip_network.prefixlen))
for network, interface in networks:
ip_subnet = ip_subnets.pop()
networks_data.append(
{
'name': network,
'cidr': str(ip_subnet),
'group_id': group_id,
'interface': interface,
'gateway': None,
'meta': {
"notation": "ip_ranges",
"render_type": None,
"map_priority": 0,
"configurable": True,
"unmovable": False,
"use_gateway": False,
"render_addr_mask": None,
'ip_range': [str(ip_subnet[1]), str(ip_subnet[-2])]
}
}
)
return networks_data
def generate_networks_for_template(self, template, ip_nets, ip_prefixlen):
"""Slice network to subnets for template.
Generate networks from network template and ip_nets descriptions
for node groups and value to slice that descriptions. ip_nets is a
dict with key named as nodegroup and strings values for with
description of network for that nodegroup in format '127.0.0.1/24'
to be sliced in pieces for networks. ip_prefixlen - the amount the
network prefix length should be sliced by. 24 will create networks
'127.0.0.1/24' from network '127.0.0.1/16'.
:param template: Yaml template with network assignments on interfaces.
:param ip_nets: Dict with network descriptions.
:param ip_prefixlen: Integer for slicing network prefix.
:return: Data to be used to assign networks to nodes.
"""
networks_data = []
nodegroups = self.fuel_web.client.get_nodegroups()
for nodegroup, section in template['adv_net_template'].items():
networks = [(n, section['network_assignments'][n]['ep'])
for n in section['network_assignments']]
assert_true(
any(n['name'] == nodegroup for n in nodegroups),
'Network templates contains settings for Node Group '
'"{0}", which does not exist!'.format(nodegroup))
group_id = [n['id'] for n in nodegroups
if n['name'] == nodegroup][0]
ip_network = IPNetwork(ip_nets[nodegroup])
ip_subnets = ip_network.subnet(
int(ip_prefixlen) - int(ip_network.prefixlen))
for network, interface in networks:
ip_subnet = ip_subnets.pop()
networks_data.append({
'name': network,
'cidr': str(ip_subnet),
'group_id': group_id,
'interface': interface,
'gateway': None,
'meta': {
"notation": "ip_ranges",
"render_type": None,
"map_priority": 0,
"configurable": True,
"unmovable": False,
"use_gateway": False,
"render_addr_mask": None,
'ip_range': [str(ip_subnet[1]),
str(ip_subnet[-2])]
}
})
return networks_data
def calcSubnet(cidr, positional=1):
net = IPNetwork(args.CIDR)
try:
subnet = list(net.subnet(positional))
except ValueError:
finalcidr = int(cidr.split('/')[1]) + positional
print "[%s] is out of range with [%s] positions away (A /%s, seriously?). Cannot calculate." % (cidr, positional, finalcidr)
raise SystemExit
newcidr = subnet[0].prefixlen
count = len(subnet)
print "[%s] hosts with [/%s] (diff of %s)" % (count, newcidr, positional)
for i in subnet:
print "--%s" % i
def generate_networks_for_template(self, template, ip_network,
ip_prefixlen):
networks_data = []
nodegroups = self.fuel_web.client.get_nodegroups()
for nodegroup, section in template['adv_net_template'].items():
networks = [(n, section['network_assignments'][n]['ep'])
for n in section['network_assignments']]
assert_true(
any(n['name'] == nodegroup for n in nodegroups),
'Network templates contains settings for Node Group '
'"{0}", which does not exist!'.format(nodegroup))
group_id = [n['id'] for n in nodegroups
if n['name'] == nodegroup][0]
ip_network = IPNetwork(ip_network)
ip_subnets = ip_network.subnet(
int(ip_prefixlen) - int(ip_network.prefixlen))
for network, interface in networks:
ip_subnet = ip_subnets.pop()
networks_data.append({
'name': network,
'cidr': str(ip_subnet),
'group_id': group_id,
'interface': interface,
'gateway': None,
'meta': {
"notation": "ip_ranges",
"render_type": None,
"map_priority": 0,
"configurable": True,
"unmovable": False,
"use_gateway": False,
"render_addr_mask": None,
'ip_range': [str(ip_subnet[1]),
str(ip_subnet[-2])]
}
})
return networks_data
def generate_networks_for_template(self, template, ip_network,
ip_prefixlen):
networks_data = []
nodegroups = self.fuel_web.client.get_nodegroups()
for nodegroup, section in template['adv_net_template'].items():
networks = [(n, section['network_assignments'][n]['ep'])
for n in section['network_assignments']]
assert_true(any(n['name'] == nodegroup for n in nodegroups),
'Network templates contains settings for Node Group '
'"{0}", which does not exist!'.format(nodegroup))
group_id = [n['id'] for n in nodegroups if
n['name'] == nodegroup][0]
ip_network = IPNetwork(ip_network)
ip_subnets = ip_network.subnet(
int(ip_prefixlen) - int(ip_network.prefixlen))
for network, interface in networks:
ip_subnet = ip_subnets.pop()
networks_data.append(
{
'name': network,
'cidr': str(ip_subnet),
'group_id': group_id,
'interface': interface,
'gateway': None,
'meta': {
"notation": "ip_ranges",
"render_type": None,
"map_priority": 0,
"configurable": True,
"unmovable": False,
"use_gateway": False,
"render_addr_mask": None,
'ip_range': [str(ip_subnet[1]), str(ip_subnet[-2])]
}
}
)
return networks_data
