diff options
Diffstat (limited to 'python/vyos/migrator.py')
| -rw-r--r-- | python/vyos/migrator.py | 95 |
1 files changed, 39 insertions, 56 deletions
diff --git a/python/vyos/migrator.py b/python/vyos/migrator.py index c6e3435ca..87c74e1ea 100644 --- a/python/vyos/migrator.py +++ b/python/vyos/migrator.py @@ -1,4 +1,4 @@ -# Copyright 2019 VyOS maintainers and contributors <maintainers@vyos.io> +# Copyright 2019-2022 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 @@ -16,11 +16,13 @@ import sys import os import json -import subprocess -import vyos.version +import logging + import vyos.defaults -import vyos.systemversions as systemversions -import vyos.formatversions as formatversions +import vyos.component_version as component_version +from vyos.util import cmd + +log_file = os.path.join(vyos.defaults.directories['config'], 'vyos-migrate.log') class MigratorError(Exception): pass @@ -31,9 +33,21 @@ class Migrator(object): self._force = force self._set_vintage = set_vintage self._config_file_vintage = None - self._log_file = None self._changed = False + def init_logger(self): + self.logger = logging.getLogger(__name__) + self.logger.setLevel(logging.DEBUG) + + # on adding the file handler, allow write permission for cfg_group; + # restore original umask on exit + mask = os.umask(0o113) + fh = logging.FileHandler(log_file) + formatter = logging.Formatter('%(message)s') + fh.setFormatter(formatter) + self.logger.addHandler(fh) + os.umask(mask) + def read_config_file_versions(self): """ Get component versions from config file footer and set vintage; @@ -42,13 +56,13 @@ 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' @@ -70,34 +84,15 @@ class Migrator(object): else: return True - def open_log_file(self): - """ - Open log file for migration, catching any error. - Note that, on boot, migration takes place before the canonical log - directory is created, hence write to the config file directory. - """ - self._log_file = os.path.join(vyos.defaults.directories['config'], - 'vyos-migrate.log') - # on creation, allow write permission for cfg_group; - # restore original umask on exit - mask = os.umask(0o113) - try: - log = open('{0}'.format(self._log_file), 'w') - log.write("List of executed migration scripts:\n") - except Exception as e: - os.umask(mask) - print("Logging error: {0}".format(e)) - return None - - os.umask(mask) - return log - def run_migration_scripts(self, config_file_versions, system_versions): """ Run migration scripts iteratively, until config file version equals system component version. """ - log = self.open_log_file() + os.environ['VYOS_MIGRATION'] = '1' + self.init_logger() + + self.logger.info("List of executed migration scripts:") cfg_versions = config_file_versions sys_versions = system_versions @@ -129,8 +124,9 @@ class Migrator(object): '{}-to-{}'.format(cfg_ver, next_ver)) try: - subprocess.check_call([migrate_script, - self._config_file]) + out = cmd([migrate_script, self._config_file]) + self.logger.info(f'{migrate_script}') + if out: self.logger.info(out) except FileNotFoundError: pass except Exception as err: @@ -138,38 +134,25 @@ class Migrator(object): "".format(migrate_script, err)) sys.exit(1) - if log: - try: - log.write('{0}\n'.format(migrate_script)) - except Exception as e: - print("Error writing log: {0}".format(e)) - cfg_ver = next_ver - rev_versions[key] = cfg_ver - if log: - log.close() - + del os.environ['VYOS_MIGRATION'] return rev_versions def write_config_file_versions(self, cfg_versions): """ 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_version_footer(cfg_versions, + 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_version_footer(cfg_versions, + self._config_file, + vintage='vyos') def save_json_record(self, component_versions: dict): """ @@ -200,7 +183,7 @@ 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) @@ -216,7 +199,7 @@ 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) @@ -237,7 +220,7 @@ 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) |