diff options
Diffstat (limited to 'src/op_mode')
-rwxr-xr-x | src/op_mode/dhcp.py | 109 | ||||
-rwxr-xr-x | src/op_mode/image_installer.py | 87 |
2 files changed, 148 insertions, 48 deletions
diff --git a/src/op_mode/dhcp.py b/src/op_mode/dhcp.py index 77f38992b..d6b8aa0b8 100755 --- a/src/op_mode/dhcp.py +++ b/src/op_mode/dhcp.py @@ -43,6 +43,7 @@ sort_valid_inet6 = ['end', 'iaid_duid', 'ip', 'last_communication', 'pool', 'rem ArgFamily = typing.Literal['inet', 'inet6'] ArgState = typing.Literal['all', 'active', 'free', 'expired', 'released', 'abandoned', 'reset', 'backup'] +ArgOrigin = typing.Literal['local', 'remote'] def _utc_to_local(utc_dt): return datetime.fromtimestamp((datetime.fromtimestamp(utc_dt) - datetime(1970, 1, 1)).total_seconds()) @@ -71,7 +72,7 @@ def _find_list_of_dict_index(lst, key='ip', value='') -> int: return idx -def _get_raw_server_leases(family='inet', pool=None, sorted=None, state=[]) -> list: +def _get_raw_server_leases(family='inet', pool=None, sorted=None, state=[], origin=None) -> list: """ Get DHCP server leases :return list @@ -82,51 +83,61 @@ def _get_raw_server_leases(family='inet', pool=None, sorted=None, state=[]) -> l if pool is None: pool = _get_dhcp_pools(family=family) + aux = False else: pool = [pool] - - for lease in leases: - data_lease = {} - data_lease['ip'] = lease.ip - data_lease['state'] = lease.binding_state - data_lease['pool'] = lease.sets.get('shared-networkname', '') - data_lease['end'] = lease.end.timestamp() if lease.end else None - - if family == 'inet': - data_lease['mac'] = lease.ethernet - data_lease['start'] = lease.start.timestamp() - data_lease['hostname'] = lease.hostname - - if family == 'inet6': - data_lease['last_communication'] = lease.last_communication.timestamp() - data_lease['iaid_duid'] = _format_hex_string(lease.host_identifier_string) - lease_types_long = {'na': 'non-temporary', 'ta': 'temporary', 'pd': 'prefix delegation'} - data_lease['type'] = lease_types_long[lease.type] - - data_lease['remaining'] = '-' - - if lease.end: - data_lease['remaining'] = lease.end - datetime.utcnow() - - if data_lease['remaining'].days >= 0: - # substraction gives us a timedelta object which can't be formatted with strftime - # so we use str(), split gets rid of the microseconds - data_lease['remaining'] = str(data_lease["remaining"]).split('.')[0] - - # Do not add old leases - if data_lease['remaining'] != '' and data_lease['pool'] in pool and data_lease['state'] != 'free': - if not state or data_lease['state'] in state: - data.append(data_lease) - - # deduplicate - checked = [] - for entry in data: - addr = entry.get('ip') - if addr not in checked: - checked.append(addr) - else: - idx = _find_list_of_dict_index(data, key='ip', value=addr) - data.pop(idx) + aux = True + + ## Search leases for every pool + for pool_name in pool: + for lease in leases: + if lease.sets.get('shared-networkname', '') == pool_name or lease.sets.get('shared-networkname', '') == '': + #if lease.sets.get('shared-networkname', '') == pool_name: + data_lease = {} + data_lease['ip'] = lease.ip + data_lease['state'] = lease.binding_state + #data_lease['pool'] = pool_name if lease.sets.get('shared-networkname', '') != '' else 'Fail-Over Server' + data_lease['pool'] = lease.sets.get('shared-networkname', '') + data_lease['end'] = lease.end.timestamp() if lease.end else None + data_lease['origin'] = 'local' if data_lease['pool'] != '' else 'remote' + + if family == 'inet': + data_lease['mac'] = lease.ethernet + data_lease['start'] = lease.start.timestamp() + data_lease['hostname'] = lease.hostname + + if family == 'inet6': + data_lease['last_communication'] = lease.last_communication.timestamp() + data_lease['iaid_duid'] = _format_hex_string(lease.host_identifier_string) + lease_types_long = {'na': 'non-temporary', 'ta': 'temporary', 'pd': 'prefix delegation'} + data_lease['type'] = lease_types_long[lease.type] + + data_lease['remaining'] = '-' + + if lease.end: + data_lease['remaining'] = lease.end - datetime.utcnow() + + if data_lease['remaining'].days >= 0: + # substraction gives us a timedelta object which can't be formatted with strftime + # so we use str(), split gets rid of the microseconds + data_lease['remaining'] = str(data_lease["remaining"]).split('.')[0] + + # Do not add old leases + if data_lease['remaining'] != '' and data_lease['state'] != 'free': + if not state or data_lease['state'] in state or state == 'all': + if not origin or data_lease['origin'] in origin: + if not aux or (aux and data_lease['pool'] == pool_name): + data.append(data_lease) + + # deduplicate + checked = [] + for entry in data: + addr = entry.get('ip') + if addr not in checked: + checked.append(addr) + else: + idx = _find_list_of_dict_index(data, key='ip', value=addr) + data.pop(idx) if sorted: if sorted == 'ip': @@ -150,10 +161,11 @@ def _get_formatted_server_leases(raw_data, family='inet'): remain = lease.get('remaining') pool = lease.get('pool') hostname = lease.get('hostname') - data_entries.append([ipaddr, hw_addr, state, start, end, remain, pool, hostname]) + origin = lease.get('origin') + data_entries.append([ipaddr, hw_addr, state, start, end, remain, pool, hostname, origin]) headers = ['IP Address', 'MAC address', 'State', 'Lease start', 'Lease expiration', 'Remaining', 'Pool', - 'Hostname'] + 'Hostname', 'Origin'] if family == 'inet6': for lease in raw_data: @@ -267,7 +279,8 @@ def show_pool_statistics(raw: bool, family: ArgFamily, pool: typing.Optional[str @_verify def show_server_leases(raw: bool, family: ArgFamily, pool: typing.Optional[str], - sorted: typing.Optional[str], state: typing.Optional[ArgState]): + sorted: typing.Optional[str], state: typing.Optional[ArgState], + origin: typing.Optional[ArgOrigin] ): # if dhcp server is down, inactive leases may still be shown as active, so warn the user. v = '6' if family == 'inet6' else '' service_name = 'DHCPv6' if family == 'inet6' else 'DHCP' @@ -285,7 +298,7 @@ def show_server_leases(raw: bool, family: ArgFamily, pool: typing.Optional[str], if sorted and sorted not in sort_valid: raise vyos.opmode.IncorrectValue(f'DHCP{v} sort "{sorted}" is invalid!') - lease_data = _get_raw_server_leases(family=family, pool=pool, sorted=sorted, state=state) + lease_data = _get_raw_server_leases(family=family, pool=pool, sorted=sorted, state=state, origin=origin) if raw: return lease_data else: diff --git a/src/op_mode/image_installer.py b/src/op_mode/image_installer.py index cdb84a152..b3e6e518c 100755 --- a/src/op_mode/image_installer.py +++ b/src/op_mode/image_installer.py @@ -60,6 +60,8 @@ MSG_INPUT_PASSWORD: str = 'Please enter a password for the "vyos" user' MSG_INPUT_ROOT_SIZE_ALL: str = 'Would you like to use all the free space on the drive?' MSG_INPUT_ROOT_SIZE_SET: str = 'Please specify the size (in GB) of the root partition (min is 1.5 GB)?' MSG_INPUT_CONSOLE_TYPE: str = 'What console should be used by default? (K: KVM, S: Serial, U: USB-Serial)?' +MSG_INPUT_COPY_DATA: str = 'Would you like to copy data to the new image?' +MSG_INPUT_CHOOSE_COPY_DATA: str = 'From which image would you like to save config information?' MSG_WARN_ISO_SIGN_INVALID: str = 'Signature is not valid. Do you want to continue with installation?' MSG_WARN_ISO_SIGN_UNAVAL: str = 'Signature is not available. Do you want to continue with installation?' MSG_WARN_ROOT_SIZE_TOOBIG: str = 'The size is too big. Try again.' @@ -184,6 +186,83 @@ def create_partitions(target_disk: str, target_size: int, return disk_details +def search_format_selection(image: tuple[str, str]) -> str: + """Format a string for selection of image + + Args: + image (tuple[str, str]): a tuple of image name and drive + + Returns: + str: formatted string + """ + return f'{image[0]} on {image[1]}' + + +def search_previous_installation(disks: list[str]) -> None: + """Search disks for previous installation config and SSH keys + + Args: + disks (list[str]): a list of available disks + """ + mnt_config = '/mnt/config' + mnt_ssh = '/mnt/ssh' + mnt_tmp = '/mnt/tmp' + rmtree(Path(mnt_config), ignore_errors=True) + rmtree(Path(mnt_ssh), ignore_errors=True) + Path(mnt_tmp).mkdir(exist_ok=True) + + print('Searching for data from previous installations') + image_data = [] + for disk_name in disks: + for partition in disk.partition_list(disk_name): + if disk.partition_mount(partition, mnt_tmp): + if Path(mnt_tmp + '/boot').exists(): + for path in Path(mnt_tmp + '/boot').iterdir(): + if path.joinpath('rw/config/.vyatta_config').exists(): + image_data.append((path.name, partition)) + + disk.partition_umount(partition) + + if len(image_data) == 1: + image_name, image_drive = image_data[0] + print('Found data from previous installation:') + print(f'\t{image_name} on {image_drive}') + if not ask_yes_no(MSG_INPUT_COPY_DATA, default=True): + return + + elif len(image_data) > 1: + print('Found data from previous installations') + if not ask_yes_no(MSG_INPUT_COPY_DATA, default=True): + return + + image_name, image_drive = select_entry(image_data, + 'Available versions:', + MSG_INPUT_CHOOSE_COPY_DATA, + search_format_selection) + else: + print('No previous installation found') + return + + disk.partition_mount(image_drive, mnt_tmp) + + copytree(f'{mnt_tmp}/boot/{image_name}/rw/config', mnt_config) + Path(mnt_ssh).mkdir() + host_keys: list[str] = glob(f'{mnt_tmp}/boot/{image_name}/rw/etc/ssh/ssh_host*') + for host_key in host_keys: + copy(host_key, mnt_ssh) + + disk.partition_umount(image_drive) + + +def copy_previous_installation_data(target_dir: str) -> None: + if Path('/mnt/config').exists(): + copytree('/mnt/config', f'{target_dir}/opt/vyatta/etc/config', + dirs_exist_ok=True) + if Path('/mnt/ssh').exists(): + copytree('/mnt/ssh', f'{target_dir}/etc/ssh', + dirs_exist_ok=True) + + def ask_single_disk(disks_available: dict[str, int]) -> str: """Ask user to select a disk for installation @@ -204,6 +283,8 @@ def ask_single_disk(disks_available: dict[str, int]) -> str: print(MSG_INFO_INSTALL_EXIT) exit() + search_previous_installation(list(disks_available)) + disk_details: disk.DiskDetails = create_partitions(disk_selected, disks_available[disk_selected]) @@ -260,6 +341,8 @@ def check_raid_install(disks_available: dict[str, int]) -> Union[str, None]: print(MSG_INFO_INSTALL_EXIT) exit() + search_previous_installation(list(disks_available)) + disks: list[disk.DiskDetails] = [] for disk_selected in list(disks_selected): print(f'Creating partitions on {disk_selected}') @@ -581,6 +664,10 @@ def install_image() -> None: copy(FILE_ROOTFS_SRC, f'{DIR_DST_ROOT}/boot/{image_name}/{image_name}.squashfs') + # copy saved config data and SSH keys + # owner restored on copy of config data by chmod_2775, above + copy_previous_installation_data(f'{DIR_DST_ROOT}/boot/{image_name}/rw') + if is_raid_install(install_target): write_dir: str = f'{DIR_DST_ROOT}/boot/{image_name}/rw' raid.update_default(write_dir) |