diff options
Diffstat (limited to 'src')
| -rwxr-xr-x | src/conf_mode/dhcp_server.py | 36 | ||||
| -rwxr-xr-x | src/migration-scripts/dhcp-server/5-to-6 | 25 |
2 files changed, 39 insertions, 22 deletions
diff --git a/src/conf_mode/dhcp_server.py b/src/conf_mode/dhcp_server.py index 8d6cef8b7..5b3809017 100755 --- a/src/conf_mode/dhcp_server.py +++ b/src/conf_mode/dhcp_server.py @@ -148,9 +148,9 @@ def verify(dhcp): 'At least one DHCP shared network must be configured.') # Inspect shared-network/subnet - failover_names = [] listen_ok = False subnets = [] + failover_ok = False # A shared-network requires a subnet definition for network, network_config in dhcp['shared_network_name'].items(): @@ -159,11 +159,19 @@ def verify(dhcp): 'lease subnet must be configured.') for subnet, subnet_config in network_config['subnet'].items(): + # All delivered static routes require a next-hop to be set if 'static_route' in subnet_config: for route, route_option in subnet_config['static_route'].items(): if 'next_hop' not in route_option: raise ConfigError(f'DHCP static-route "{route}" requires router to be defined!') + # DHCP failover needs at least one subnet that uses it + if 'enable_failover' in subnet_config: + if 'failover' not in dhcp: + raise ConfigError(f'Can not enable failover for "{subnet}" in "{network}".\n' \ + 'Failover is not configured globally!') + failover_ok = True + # Check if DHCP address range is inside configured subnet declaration if 'range' in subnet_config: networks = [] @@ -192,23 +200,6 @@ def verify(dhcp): tmp = IPRange(range_config['start'], range_config['stop']) networks.append(tmp) - if 'failover' in subnet_config: - for key in ['local_address', 'peer_address', 'name', 'status']: - if key not in subnet_config['failover']: - raise ConfigError(f'Missing DHCP failover parameter "{key}"!') - - # Failover names must be uniquie - if subnet_config['failover']['name'] in failover_names: - name = subnet_config['failover']['name'] - raise ConfigError(f'DHCP failover names must be unique:\n' \ - f'{name} has already been configured!') - failover_names.append(subnet_config['failover']['name']) - - # Failover requires start/stop ranges for pool - if 'range' not in subnet_config: - raise ConfigError(f'DHCP failover requires at least one start-stop range to be configured\n'\ - f'within shared-network "{network}, {subnet}" for using failover!') - # Exclude addresses must be in bound if 'exclude' in subnet_config: for exclude in subnet_config['exclude']: @@ -252,6 +243,15 @@ def verify(dhcp): if net.overlaps(net2): raise ConfigError('Conflicting subnet ranges: "{net}" overlaps "{net2}"!') + if 'failover' in dhcp: + if not failover_ok: + raise ConfigError('DHCP failover must be enabled for at least one subnet!') + + for key in ['source_address', 'remote', 'status']: + if key not in dhcp['failover']: + tmp = key.replace('_', '-') + raise ConfigError(f'DHCP failover requires "{tmp}" to be specified!') + for address in (dict_search('listen_address', dhcp) or []): if is_addr_assigned(address): listen_ok = True diff --git a/src/migration-scripts/dhcp-server/5-to-6 b/src/migration-scripts/dhcp-server/5-to-6 index 7f447ac17..39bbb9f50 100755 --- a/src/migration-scripts/dhcp-server/5-to-6 +++ b/src/migration-scripts/dhcp-server/5-to-6 @@ -29,16 +29,16 @@ file_name = sys.argv[1] with open(file_name, 'r') as f: config_file = f.read() -base = ['service', 'dhcp-server', 'shared-network-name'] +base = ['service', 'dhcp-server'] config = ConfigTree(config_file) -if not config.exists(base): +if not config.exists(base + ['shared-network-name']): # Nothing to do exit(0) # Run this for every instance if 'shared-network-name' -for network in config.list_nodes(base): - base_network = base + [network] +for network in config.list_nodes(base + ['shared-network-name']): + base_network = base + ['shared-network-name', network] if not config.exists(base_network + ['subnet']): continue @@ -60,6 +60,23 @@ for network in config.list_nodes(base): if config.exists(base_subnet + ['dns-server']): config.rename(base_subnet + ['dns-server'], 'name-server') + + # T3672: ISC DHCP server only supports one failover peer + if config.exists(base_subnet + ['failover']): + # There can only be one failover configuration, if none is present + # we add the first one + if not config.exists(base + ['failover']): + local = config.return_value(base_subnet + ['failover', 'local-address']) + remote = config.return_value(base_subnet + ['failover', 'peer-address']) + status = config.return_value(base_subnet + ['failover', 'status']) + + config.set(base + ['failover', 'remote'], value=remote) + config.set(base + ['failover', 'source-address'], value=local) + config.set(base + ['failover', 'status'], value=status) + + config.delete(base_subnet + ['failover']) + config.set(base_subnet + ['enable-failover']) + try: with open(file_name, 'w') as f: f.write(config.to_string()) |