diff options
| -rw-r--r-- | op-mode-definitions/dhcp.xml | 29 | ||||
| -rwxr-xr-x | src/conf_mode/dhcpv6_server.py | 3 | ||||
| -rwxr-xr-x | src/op_mode/show_dhcpv6.py | 104 |
3 files changed, 120 insertions, 16 deletions
diff --git a/op-mode-definitions/dhcp.xml b/op-mode-definitions/dhcp.xml index 85403af6f..989c8274a 100644 --- a/op-mode-definitions/dhcp.xml +++ b/op-mode-definitions/dhcp.xml @@ -59,6 +59,35 @@ <help>Show DHCPv6 server leases</help> </properties> <command>sudo ${vyos_op_scripts_dir}/show_dhcpv6.py --leases</command> + <children> + <tagNode name="pool"> + <properties> + <help>Show DHCPv6 server leases for a specific pool</help> + <completionHelp> + <script>sudo ${vyos_op_scripts_dir}/show_dhcpv6.py --allowed pool</script> + </completionHelp> + </properties> + <command>sudo ${vyos_op_scripts_dir}/show_dhcpv6.py --leases --pool $6</command> + </tagNode> + <tagNode name="sort"> + <properties> + <help>Show DHCPv6 server leases sorted by the specified key</help> + <completionHelp> + <script>sudo ${vyos_op_scripts_dir}/show_dhcpv6.py --allowed sort</script> + </completionHelp> + </properties> + <command>sudo ${vyos_op_scripts_dir}/show_dhcpv6.py --leases --sort $6</command> + </tagNode> + <tagNode name="state"> + <properties> + <help>Show DHCPv6 server leases with a specific state</help> + <completionHelp> + <script>sudo ${vyos_op_scripts_dir}/show_dhcpv6.py --allowed state</script> + </completionHelp> + </properties> + <command>sudo ${vyos_op_scripts_dir}/show_dhcpv6.py --leases --state $6</command> + </tagNode> + </children> </node> </children> </node> diff --git a/src/conf_mode/dhcpv6_server.py b/src/conf_mode/dhcpv6_server.py index 37da3ef25..f5117de53 100755 --- a/src/conf_mode/dhcpv6_server.py +++ b/src/conf_mode/dhcpv6_server.py @@ -101,6 +101,9 @@ shared-network {{ network.name }} { {%- endfor %} } {%- endfor %} + on commit { + set shared-networkname = "{{ network.name }}"; + } } {%- endif %} {% endfor %} diff --git a/src/op_mode/show_dhcpv6.py b/src/op_mode/show_dhcpv6.py index bf73b92ea..f1f5a6a55 100755 --- a/src/op_mode/show_dhcpv6.py +++ b/src/op_mode/show_dhcpv6.py @@ -20,11 +20,42 @@ import argparse import ipaddress import tabulate import sys +import collections from vyos.config import Config from isc_dhcp_leases import Lease, IscDhcpLeases lease_file = "/config/dhcpdv6.leases" +pool_key = "shared-networkname" + +lease_display_fields = collections.OrderedDict() +lease_display_fields['ip'] = 'IPv6 address' +lease_display_fields['state'] = 'State' +lease_display_fields['last_comm'] = 'Last communication' +lease_display_fields['expires'] = 'Lease expiration' +lease_display_fields['type'] = 'Type' +lease_display_fields['pool'] = 'Pool' +lease_display_fields['iaid_duid'] = 'IAID_DUID' + +lease_valid_states = ['all', 'active', 'free', 'expired', 'released', 'abandoned', 'reset', 'backup'] + +def in_pool(lease, pool): + if pool_key in lease.sets: + if lease.sets[pool_key] == pool: + return True + + return False + +def format_hex_string(in_str): + out_str = "" + + # if input is divisible by 2, add : every 2 chars + if len(in_str) > 0 and len(in_str) % 2 == 0: + out_str = ':'.join(a+b for a,b in zip(in_str[::2], in_str[1::2])) + else: + out_str = in_str + + return out_str def get_lease_data(lease): data = {} @@ -35,27 +66,55 @@ def get_lease_data(lease): except: data["expires"] = "" - data["duid"] = lease.host_identifier_string + try: + data["last_comm"] = lease.last_communication.strftime("%Y/%m/%d %H:%M:%S") + except: + data["last_comm"] = "" + + # isc-dhcp records lease declarations as ia_{na|ta|pd} IAID_DUID {...} + # where IAID_DUID is the combined IAID and DUID + data["iaid_duid"] = format_hex_string(lease.host_identifier_string) + + lease_types_long = {"na": "non-temporary", "ta": "temporary", "pd": "prefix delegation"} + data["type"] = lease_types_long[lease.type] + + data["state"] = lease.binding_state data["ip"] = lease.ip + try: + data["pool"] = lease.sets[pool_key] + except: + data["pool"] = "" + return data -def get_leases(leases, state=None): +def get_leases(leases, state, pool=None, sort='ip'): leases = IscDhcpLeases(lease_file).get() - if state is not None: - leases = list(filter(lambda x: x.binding_state == 'active', leases)) + if state != 'all': + leases = list(filter(lambda x: x.binding_state == state, leases)) - return list(map(get_lease_data, leases)) + # filter lease by pool name + if pool is not None: + leases = list(filter(lambda x: in_pool(x, pool), leases)) -def show_leases(leases): - headers = ["IPv6 address", "Lease expiration", "DUID"] + leases = list(map(get_lease_data, leases)) + if sort == 'ip': + leases = sorted(leases, key = lambda k: int(ipaddress.IPv6Address(k['ip']))) + else: + leases = sorted(leases, key = lambda k: k[sort]) + + return leases +def show_leases(leases): lease_list = [] for l in leases: - lease_list.append([l["ip"], l["expires"], l["duid"]]) + lease_list_params = [] + for k in lease_display_fields.keys(): + lease_list_params.append(l[k]) + lease_list.append(lease_list_params) - output = tabulate.tabulate(lease_list, headers) + output = tabulate.tabulate(lease_list, lease_display_fields.values()) print(output) @@ -63,11 +122,14 @@ if __name__ == '__main__': parser = argparse.ArgumentParser() group = parser.add_mutually_exclusive_group() - group.add_argument("-l", "--leases", action="store_true", help="Show DHCP leases") - group.add_argument("-s", "--statistics", action="store_true", help="Show DHCP statistics") + group.add_argument("-l", "--leases", action="store_true", help="Show DHCPv6 leases") + group.add_argument("-s", "--statistics", action="store_true", help="Show DHCPv6 statistics") + group.add_argument("--allowed", type=str, choices=["pool", "sort", "state"], help="Show allowed values for argument") - parser.add_argument("-p", "--pool", type=str, action="store", help="Show lease for specific pool") - parser.add_argument("-j", "--json", action="store_true", default=False, help="Product JSON output") + parser.add_argument("-p", "--pool", type=str, help="Show lease for specific pool") + parser.add_argument("-S", "--sort", type=str, choices=lease_display_fields.keys(), default='ip', help="Sort by") + parser.add_argument("-t", "--state", type=str, choices=lease_valid_states, default="active", help="Lease state to show") + parser.add_argument("-j", "--json", action="store_true", default=False, help="Produce JSON output") args = parser.parse_args() @@ -78,9 +140,19 @@ if __name__ == '__main__': sys.exit(0) if args.leases: - leases = get_leases(lease_file, state='active') - show_leases(leases) + leases = get_leases(lease_file, args.state, args.pool, args.sort) + + if args.json: + print(json.dumps(leases, indent=4)) + else: + show_leases(leases) elif args.statistics: print("DHCPv6 statistics option is not available") + elif args.allowed == 'pool': + print(' '.join(c.list_effective_nodes("service dhcpv6-server shared-network-name"))) + elif args.allowed == 'sort': + print(' '.join(lease_display_fields.keys())) + elif args.allowed == 'state': + print(' '.join(lease_valid_states)) else: - print("Invalid option") + parser.print_help() |