diff options
Diffstat (limited to 'src/conf_mode/dhcpv6_server.py')
| -rwxr-xr-x | src/conf_mode/dhcpv6_server.py | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/src/conf_mode/dhcpv6_server.py b/src/conf_mode/dhcpv6_server.py index 9922f2c5c..078ff327c 100755 --- a/src/conf_mode/dhcpv6_server.py +++ b/src/conf_mode/dhcpv6_server.py @@ -41,7 +41,9 @@ def get_config(config=None): if not conf.exists(base): return None - dhcpv6 = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True, no_tag_node_value_mangle=True) + dhcpv6 = conf.get_config_dict(base, key_mangling=('-', '_'), + get_first_key=True, + no_tag_node_value_mangle=True) return dhcpv6 def verify(dhcpv6): @@ -51,7 +53,7 @@ def verify(dhcpv6): # If DHCP is enabled we need one share-network if 'shared_network_name' not in dhcpv6: - raise ConfigError('No DHCPv6 shared networks configured. At least\n' \ + raise ConfigError('No DHCPv6 shared networks configured. At least '\ 'one DHCPv6 shared network must be configured.') # Inspect shared-network/subnet @@ -60,8 +62,9 @@ def verify(dhcpv6): for network, network_config in dhcpv6['shared_network_name'].items(): # A shared-network requires a subnet definition if 'subnet' not in network_config: - raise ConfigError(f'No DHCPv6 lease subnets configured for "{network}". At least one\n' \ - 'lease subnet must be configured for each shared network!') + raise ConfigError(f'No DHCPv6 lease subnets configured for "{network}". '\ + 'At least one lease subnet must be configured for '\ + 'each shared network!') for subnet, subnet_config in network_config['subnet'].items(): if 'address_range' in subnet_config: @@ -83,20 +86,20 @@ def verify(dhcpv6): # Stop address must be greater or equal to start address if not ip_address(stop) >= ip_address(start): - raise ConfigError(f'address-range stop address "{stop}" must be greater or equal\n' \ + raise ConfigError(f'address-range stop address "{stop}" must be greater then or equal ' \ f'to the range start address "{start}"!') # DHCPv6 range start address must be unique - two ranges can't # start with the same address - makes no sense if start in range6_start: - raise ConfigError(f'Conflicting DHCPv6 lease range:\n' \ + raise ConfigError(f'Conflicting DHCPv6 lease range: '\ f'Pool start address "{start}" defined multipe times!') range6_start.append(start) # DHCPv6 range stop address must be unique - two ranges can't # end with the same address - makes no sense if stop in range6_stop: - raise ConfigError(f'Conflicting DHCPv6 lease range:\n' \ + raise ConfigError(f'Conflicting DHCPv6 lease range: '\ f'Pool stop address "{stop}" defined multipe times!') range6_stop.append(stop) @@ -112,7 +115,7 @@ def verify(dhcpv6): for prefix, prefix_config in subnet_config['prefix_delegation']['start'].items(): if 'stop' not in prefix_config: - raise ConfigError(f'Stop address of delegated IPv6 prefix range "{prefix}"\n' + raise ConfigError(f'Stop address of delegated IPv6 prefix range "{prefix}" '\ f'must be configured') if 'prefix_length' not in prefix_config: @@ -126,6 +129,10 @@ def verify(dhcpv6): if ip_address(mapping_config['ipv6_address']) not in ip_network(subnet): raise ConfigError(f'static-mapping address for mapping "{mapping}" is not in subnet "{subnet}"!') + if 'vendor_option' in subnet_config: + if len(dict_search('vendor_option.cisco.tftp_server', subnet_config)) > 2: + raise ConfigError(f'No more then two Cisco tftp-servers should be defined for subnet "{subnet}"!') + # Subnets must be unique if subnet in subnets: raise ConfigError(f'DHCPv6 subnets must be unique! Subnet {subnet} defined multiple times!') @@ -149,8 +156,8 @@ def verify(dhcpv6): raise ConfigError('DHCPv6 conflicting subnet ranges: {0} overlaps {1}'.format(net, net2)) if not listen_ok: - raise ConfigError('None of the DHCPv6 subnets are connected to a subnet6 on\n' \ - 'this machine. At least one subnet6 must be connected such that\n' \ + raise ConfigError('None of the DHCPv6 subnets are connected to a subnet6 on '\ + 'this machine. At least one subnet6 must be connected such that '\ 'DHCPv6 listens on an interface!') @@ -166,15 +173,15 @@ def generate(dhcpv6): def apply(dhcpv6): # bail out early - looks like removal from running config + service_name = 'isc-dhcp-server6.service' if not dhcpv6 or 'disable' in dhcpv6: # DHCP server is removed in the commit - call('systemctl stop isc-dhcp-server6.service') + call(f'systemctl stop {service_name}') if os.path.exists(config_file): os.unlink(config_file) - return None - call('systemctl restart isc-dhcp-server6.service') + call(f'systemctl restart {service_name}') return None if __name__ == '__main__': |