diff options
Diffstat (limited to 'python')
| -rw-r--r-- | python/vyos/component_version.py | 174 | ||||
| -rw-r--r-- | python/vyos/component_versions.py | 57 | ||||
| -rw-r--r-- | python/vyos/formatversions.py | 109 | ||||
| -rw-r--r-- | python/vyos/migrator.py | 26 | ||||
| -rw-r--r-- | python/vyos/systemversions.py | 46 |
5 files changed, 182 insertions, 230 deletions
diff --git a/python/vyos/component_version.py b/python/vyos/component_version.py new file mode 100644 index 000000000..b1554828d --- /dev/null +++ b/python/vyos/component_version.py @@ -0,0 +1,174 @@ +# Copyright 2022 VyOS maintainers and contributors <maintainers@vyos.io> +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library. If not, see <http://www.gnu.org/licenses/>. + +""" +Functions for reading/writing component versions. + +The config file version string has the following form: + +VyOS 1.3/1.4: + +// Warning: Do not remove the following line. +// vyos-config-version: "broadcast-relay@1:cluster@1:config-management@1:conntrack@3:conntrack-sync@2:dhcp-relay@2:dhcp-server@6:dhcpv6-server@1:dns-forwarding@3:firewall@5:https@2:interfaces@22:ipoe-server@1:ipsec@5:isis@1:l2tp@3:lldp@1:mdns@1:nat@5:ntp@1:pppoe-server@5:pptp@2:qos@1:quagga@8:rpki@1:salt@1:snmp@2:ssh@2:sstp@3:system@21:vrrp@2:vyos-accel-ppp@2:wanloadbalance@3:webproxy@2:zone-policy@1" +// Release version: 1.3.0 + +VyOS 1.2: + +/* Warning: Do not remove the following line. */ +/* === vyatta-config-version: "broadcast-relay@1:cluster@1:config-management@1:conntrack-sync@1:conntrack@1:dhcp-relay@2:dhcp-server@5:dns-forwarding@1:firewall@5:ipsec@5:l2tp@1:mdns@1:nat@4:ntp@1:pppoe-server@2:pptp@1:qos@1:quagga@7:snmp@1:ssh@1:system@10:vrrp@2:wanloadbalance@3:webgui@1:webproxy@2:zone-policy@1" === */ +/* Release version: 1.2.8 */ + +""" + +import os +import re +import sys +import fileinput +from vyos.xml import component_version +from vyos.version import get_version + +def from_string(string_line, vintage='vyos'): + """ + Get component version dictionary from string. + Return empty dictionary if string contains no config information + or raise error if component version string malformed. + """ + version_dict = {} + + if vintage == 'vyos': + if re.match(r'// vyos-config-version:.+', string_line): + if not re.match(r'// vyos-config-version:\s+"([\w,-]+@\d+:)+([\w,-]+@\d+)"\s*', string_line): + raise ValueError(f"malformed configuration string: {string_line}") + + for pair in re.findall(r'([\w,-]+)@(\d+)', string_line): + version_dict[pair[0]] = int(pair[1]) + + elif vintage == 'vyatta': + if re.match(r'/\* === vyatta-config-version:.+=== \*/$', string_line): + if not re.match(r'/\* === vyatta-config-version:\s+"([\w,-]+@\d+:)+([\w,-]+@\d+)"\s+=== \*/$', string_line): + raise ValueError(f"malformed configuration string: {string_line}") + + for pair in re.findall(r'([\w,-]+)@(\d+)', string_line): + version_dict[pair[0]] = int(pair[1]) + else: + raise ValueError("Unknown config string vintage") + + return version_dict + +def from_file(config_file_name='/opt/vyatta/etc/config/config.boot', + vintage='vyos'): + """ + Get component version dictionary parsing config file line by line + """ + f = open(config_file_name, 'r') + for line_in_config in f: + version_dict = from_string(line_in_config, vintage=vintage) + if version_dict: + return version_dict + + # no version information + return {} + +def from_system(): + """ + Get system component version dict. + """ + return component_version() + +def legacy_from_system(): + """ + legacy function; imported as-is. + + Get component versions from running system; critical failure if + unable to read migration directory. + """ + import vyos.defaults + + system_versions = {} + + try: + version_info = os.listdir(vyos.defaults.directories['current']) + except OSError as err: + print("OS error: {}".format(err)) + sys.exit(1) + + for info in version_info: + if re.match(r'[\w,-]+@\d+', info): + pair = info.split('@') + system_versions[pair[0]] = int(pair[1]) + + return system_versions + +def format_string(ver: dict) -> str: + """ + Version dict to string. + """ + keys = list(ver) + keys.sort() + l = [] + for k in keys: + v = ver[k] + l.append(f'{k}@{v}') + sep = ':' + return sep.join(l) + +def system_footer(vintage='vyos') -> str: + """ + Version footer as string. + """ + ver_str = format_string(from_system()) + release = get_version() + if vintage == 'vyos': + ret_str = (f'// Warning: Do not remove the following line.\n' + + f'// vyos-config-version: "{ver_str}"\n' + + f'// Release version: {release}\n') + elif vintage == 'vyatta': + ret_str = (f'/* Warning: Do not remove the following line. */\n' + + f'/* === vyatta-config-version: "{ver_str}" === */\n' + + f'/* Release version: {release} */\n') + else: + raise ValueError("Unknown config string vintage") + + return ret_str + +def write_footer(file_name, vintage='vyos'): + """ + Write version footer to file. + """ + footer = system_footer(vintage=vintage) + if file_name: + with open(file_name, 'a') as f: + f.write(footer) + else: + sys.stdout.write(footer) + +def remove_footer(file_name): + """ + Remove old version footer. + """ + for line in fileinput.input(file_name, inplace=True): + if re.match(r'/\* Warning:.+ \*/$', line): + continue + if re.match(r'/\* === vyatta-config-version:.+=== \*/$', line): + continue + if re.match(r'/\* Release version:.+ \*/$', line): + continue + if re.match('// vyos-config-version:.+', line): + continue + if re.match('// Warning:.+', line): + continue + if re.match('// Release version:.+', line): + continue + sys.stdout.write(line) diff --git a/python/vyos/component_versions.py b/python/vyos/component_versions.py deleted file mode 100644 index 90b458aae..000000000 --- a/python/vyos/component_versions.py +++ /dev/null @@ -1,57 +0,0 @@ -# Copyright 2017 VyOS maintainers and contributors <maintainers@vyos.io> -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2.1 of the License, or (at your option) any later version. -# -# This library is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# Lesser General Public License for more details. -# -# You should have received a copy of the GNU Lesser General Public -# License along with this library. If not, see <http://www.gnu.org/licenses/>. - -""" -The version data looks like: - -/* Warning: Do not remove the following line. */ -/* === vyatta-config-version: -"cluster@1:config-management@1:conntrack-sync@1:conntrack@1:dhcp-relay@1:dhcp-server@4:firewall@5:ipsec@4:nat@4:qos@1:quagga@2:system@8:vrrp@1:wanloadbalance@3:webgui@1:webproxy@1:zone-policy@1" -=== */ -/* Release version: 1.2.0-rolling+201806131737 */ -""" - -import re - -def get_component_version(string_line): - """ - Get component version dictionary from string - return empty dictionary if string contains no config information - or raise error if component version string malformed - """ - return_value = {} - if re.match(r'/\* === vyatta-config-version:.+=== \*/$', string_line): - - if not re.match(r'/\* === vyatta-config-version:\s+"([\w,-]+@\d+:)+([\w,-]+@\d+)"\s+=== \*/$', string_line): - raise ValueError("malformed configuration string: " + str(string_line)) - - for pair in re.findall(r'([\w,-]+)@(\d+)', string_line): - if pair[0] in return_value.keys(): - raise ValueError("duplicate unit name: \"" + str(pair[0]) + "\" in string: \"" + string_line + "\"") - return_value[pair[0]] = int(pair[1]) - - return return_value - - -def get_component_versions_from_file(config_file_name='/opt/vyatta/etc/config/config.boot'): - """ - Get component version dictionary parsing config file line by line - """ - f = open(config_file_name, 'r') - for line_in_config in f: - component_version = get_component_version(line_in_config) - if component_version: - return component_version - raise ValueError("no config string in file:", config_file_name) diff --git a/python/vyos/formatversions.py b/python/vyos/formatversions.py deleted file mode 100644 index 29117a5d3..000000000 --- a/python/vyos/formatversions.py +++ /dev/null @@ -1,109 +0,0 @@ -# Copyright 2019 VyOS maintainers and contributors <maintainers@vyos.io> -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2.1 of the License, or (at your option) any later version. -# -# This library is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# Lesser General Public License for more details. -# -# You should have received a copy of the GNU Lesser General Public License -# along with this library. If not, see <http://www.gnu.org/licenses/>. - -import sys -import os -import re -import fileinput - -def read_vyatta_versions(config_file): - config_file_versions = {} - - with open(config_file, 'r') as config_file_handle: - for config_line in config_file_handle: - if re.match(r'/\* === vyatta-config-version:.+=== \*/$', config_line): - if not re.match(r'/\* === vyatta-config-version:\s+"([\w,-]+@\d+:)+([\w,-]+@\d+)"\s+=== \*/$', config_line): - raise ValueError("malformed configuration string: " - "{}".format(config_line)) - - for pair in re.findall(r'([\w,-]+)@(\d+)', config_line): - config_file_versions[pair[0]] = int(pair[1]) - - - return config_file_versions - -def read_vyos_versions(config_file): - config_file_versions = {} - - with open(config_file, 'r') as config_file_handle: - for config_line in config_file_handle: - if re.match(r'// vyos-config-version:.+', config_line): - if not re.match(r'// vyos-config-version:\s+"([\w,-]+@\d+:)+([\w,-]+@\d+)"\s*', config_line): - raise ValueError("malformed configuration string: " - "{}".format(config_line)) - - for pair in re.findall(r'([\w,-]+)@(\d+)', config_line): - config_file_versions[pair[0]] = int(pair[1]) - - return config_file_versions - -def remove_versions(config_file): - """ - Remove old version string. - """ - for line in fileinput.input(config_file, inplace=True): - if re.match(r'/\* Warning:.+ \*/$', line): - continue - if re.match(r'/\* === vyatta-config-version:.+=== \*/$', line): - continue - if re.match(r'/\* Release version:.+ \*/$', line): - continue - if re.match('// vyos-config-version:.+', line): - continue - if re.match('// Warning:.+', line): - continue - if re.match('// Release version:.+', line): - continue - sys.stdout.write(line) - -def format_versions_string(config_versions): - cfg_keys = list(config_versions.keys()) - cfg_keys.sort() - - component_version_strings = [] - - for key in cfg_keys: - cfg_vers = config_versions[key] - component_version_strings.append('{}@{}'.format(key, cfg_vers)) - - separator = ":" - component_version_string = separator.join(component_version_strings) - - return component_version_string - -def write_vyatta_versions_foot(config_file, component_version_string, - os_version_string): - if config_file: - with open(config_file, 'a') as config_file_handle: - config_file_handle.write('/* Warning: Do not remove the following line. */\n') - config_file_handle.write('/* === vyatta-config-version: "{}" === */\n'.format(component_version_string)) - config_file_handle.write('/* Release version: {} */\n'.format(os_version_string)) - else: - sys.stdout.write('/* Warning: Do not remove the following line. */\n') - sys.stdout.write('/* === vyatta-config-version: "{}" === */\n'.format(component_version_string)) - sys.stdout.write('/* Release version: {} */\n'.format(os_version_string)) - -def write_vyos_versions_foot(config_file, component_version_string, - os_version_string): - if config_file: - with open(config_file, 'a') as config_file_handle: - config_file_handle.write('// Warning: Do not remove the following line.\n') - config_file_handle.write('// vyos-config-version: "{}"\n'.format(component_version_string)) - config_file_handle.write('// Release version: {}\n'.format(os_version_string)) - else: - sys.stdout.write('// Warning: Do not remove the following line.\n') - sys.stdout.write('// vyos-config-version: "{}"\n'.format(component_version_string)) - sys.stdout.write('// Release version: {}\n'.format(os_version_string)) - diff --git a/python/vyos/migrator.py b/python/vyos/migrator.py index a2e0daabd..266a2e58e 100644 --- a/python/vyos/migrator.py +++ b/python/vyos/migrator.py @@ -17,10 +17,8 @@ import sys import os import json import subprocess -import vyos.version import vyos.defaults -import vyos.systemversions as systemversions -import vyos.formatversions as formatversions +import vyos.component_version as component_version class MigratorError(Exception): pass @@ -42,13 +40,13 @@ class Migrator(object): cfg_file = self._config_file component_versions = {} - cfg_versions = formatversions.read_vyatta_versions(cfg_file) + cfg_versions = component_version.from_file(cfg_file, vintage='vyatta') if cfg_versions: self._config_file_vintage = 'vyatta' component_versions = cfg_versions - cfg_versions = formatversions.read_vyos_versions(cfg_file) + cfg_versions = component_version.from_file(cfg_file, vintage='vyos') if cfg_versions: self._config_file_vintage = 'vyos' @@ -152,19 +150,11 @@ class Migrator(object): """ Write new versions string. """ - versions_string = formatversions.format_versions_string(cfg_versions) - - os_version_string = vyos.version.get_version() - if self._config_file_vintage == 'vyatta': - formatversions.write_vyatta_versions_foot(self._config_file, - versions_string, - os_version_string) + component_version.write_footer(self._config_file, vintage='vyatta') if self._config_file_vintage == 'vyos': - formatversions.write_vyos_versions_foot(self._config_file, - versions_string, - os_version_string) + component_version.write_footer(self._config_file, vintage='vyos') def save_json_record(self, component_versions: dict): """ @@ -195,7 +185,7 @@ class Migrator(object): # This will force calling all migration scripts: cfg_versions = {} - sys_versions = systemversions.get_system_component_version() + sys_versions = component_version.from_system() # save system component versions in json file for easy reference self.save_json_record(sys_versions) @@ -211,7 +201,7 @@ class Migrator(object): if not self._changed: return - formatversions.remove_versions(cfg_file) + component_version.remove_footer(cfg_file) self.write_config_file_versions(rev_versions) @@ -232,7 +222,7 @@ class VirtualMigrator(Migrator): if not self._changed: return - formatversions.remove_versions(cfg_file) + component_version.remove_footer(cfg_file) self.write_config_file_versions(cfg_versions) diff --git a/python/vyos/systemversions.py b/python/vyos/systemversions.py deleted file mode 100644 index f2da76d4f..000000000 --- a/python/vyos/systemversions.py +++ /dev/null @@ -1,46 +0,0 @@ -# Copyright 2019 VyOS maintainers and contributors <maintainers@vyos.io> -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2.1 of the License, or (at your option) any later version. -# -# This library is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# Lesser General Public License for more details. -# -# You should have received a copy of the GNU Lesser General Public License -# along with this library. If not, see <http://www.gnu.org/licenses/>. - -import os -import re -import sys -import vyos.defaults -from vyos.xml import component_version - -# legacy version, reading from the file names in -# /opt/vyatta/etc/config-migrate/current -def get_system_versions(): - """ - Get component versions from running system; critical failure if - unable to read migration directory. - """ - system_versions = {} - - try: - version_info = os.listdir(vyos.defaults.directories['current']) - except OSError as err: - print("OS error: {}".format(err)) - sys.exit(1) - - for info in version_info: - if re.match(r'[\w,-]+@\d+', info): - pair = info.split('@') - system_versions[pair[0]] = int(pair[1]) - - return system_versions - -# read from xml cache -def get_system_component_version(): - return component_version() |