Exemplo n.º 1
0
    def _collect_component_configs(self, client, component,
                                   args, default_config=None):
        config_files = []

        p = index(args, lambda s: s == '--config-file')
        if p != -1 and p + 1 < len(args):
            config_path = args[p + 1]
        else:
            config_path = '/etc/keystone/keystone.conf'

        if config_path:
            config_files.append(self._collect_file(client, config_path))

        p = index(args, lambda s: s == '--config-dir')
        if p != -1 and p + 1 < len(args):
            result = client.run(['ls', '%s/*.conf' % args[p + 1]])
            if result.return_code == 0:
                for config_path in result.output.split("\n"):
                    config_files.extend(
                        self._collect_file(client, config_path))

        component.config_files = config_files

        for i, arg in enumerate(args):
            if arg.startswith('--'):
                name = arg[2:]
                if '=' in name:
                    name, value = name.split('=', 1)
                elif i + 1 < len(args):
                    value = args[i + 1]
                    i += 1
                else:
                    continue

                component.config.set_cli(name, value)
Exemplo n.º 2
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    def get_schema(self, project, version, configname=None):
        if not configname:
            configname = '%s.conf' % project
        fullname = '%s/%s' % (project, configname)
        version = Version(version)

        if not fullname in self.__schemas:
            return None

        records = self.__schemas[fullname]
        i = len(records) - 1
        # Find latest checkpoint prior given version
        while i >= 0 and not (records[i].checkpoint
                              and records[i].version <= version):
            i -= 1

        if i < 0:
            return None

        parameters = []
        seen_parameters = set()
        last_version = None

        while i < len(records) and records[i].version <= version:
            last_version = records[i].version
            for param in records[i].adds:
                if param.name in seen_parameters:
                    old_param_index = index(
                        parameters,
                        lambda p: p.name == param.name)
                    if old_param_index != -1:
                        parameters[old_param_index] = param
                else:
                    parameters.append(param)
                    seen_parameters.add(param.name)
            for param_name in records[i].removals:
                param_index = index(
                    parameters,
                    lambda p: p.name == param_name)
                if index != -1:
                    parameters.pop(param_index)
                    seen_parameters.remove(param_name)
            i += 1

        return ConfigSchema(fullname, last_version, 'ini', parameters)
Exemplo n.º 3
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    def get_schema(self, project, version, configname=None):
        if not configname:
            configname = '%s.conf' % project
        fullname = '%s/%s' % (project, configname)
        version = Version(version)

        if not fullname in self.__schemas:
            return None

        records = self.__schemas[fullname]
        i = len(records) - 1
        # Find latest checkpoint prior given version
        while i >= 0 and not (records[i].checkpoint
                              and records[i].version <= version):
            i -= 1

        if i < 0:
            return None

        parameters = []
        seen_parameters = set()
        last_version = None

        while i < len(records) and records[i].version <= version:
            last_version = records[i].version
            for param in records[i].adds:
                if param.name in seen_parameters:
                    old_param_index = index(parameters,
                                            lambda p: p.name == param.name)
                    if old_param_index != -1:
                        parameters[old_param_index] = param
                else:
                    parameters.append(param)
                    seen_parameters.add(param.name)
            for param_name in records[i].removals:
                param_index = index(parameters, lambda p: p.name == param_name)
                if index != -1:
                    parameters.pop(param_index)
                    seen_parameters.remove(param_name)
            i += 1

        return ConfigSchema(fullname, last_version, 'ini', parameters)
Exemplo n.º 4
0
def collect_component_configs(driver, client, component,
                              command, default_config=None):
    config_files = []

    args = shlex.split(command)[1:]

    p = index(args, lambda s: s == '--config-file')
    if p != -1 and p + 1 < len(args):
        config_path = args[p + 1]
    else:
        config_path = default_config

    if config_path:
        r = driver.discover('file', client.host, path=config_path)
        if r:
            config_files.append(r)

    p = index(args, lambda s: s == '--config-dir')
    if p != -1 and p + 1 < len(args):
        files = driver.discover('file', client.host, path='%s/*.conf' % args[p + 1])
        if files:
            if not isinstance(files, list):
                files = [files]

            config_files.extend(files)

    component.config_files = config_files

    for i, arg in enumerate(args):
        if arg.startswith('--'):
            name = arg[2:]
            if '=' in name:
                name, value = name.split('=', 1)
            elif i + 1 < len(args):
                value = args[i + 1]
                i += 1
            else:
                continue

            component.config.set_cli(name, value)
Exemplo n.º 5
0
    def _collect_component_configs(self,
                                   client,
                                   component,
                                   args,
                                   default_config=None):
        config_files = []

        p = index(args, lambda s: s == '--config-file')
        if p != -1 and p + 1 < len(args):
            config_path = args[p + 1]
        else:
            config_path = '/etc/keystone/keystone.conf'

        if config_path:
            config_files.append(self._collect_file(client, config_path))

        p = index(args, lambda s: s == '--config-dir')
        if p != -1 and p + 1 < len(args):
            result = client.run(['ls', '%s/*.conf' % args[p + 1]])
            if result.return_code == 0:
                for config_path in result.output.split("\n"):
                    config_files.extend(self._collect_file(
                        client, config_path))

        component.config_files = config_files

        for i, arg in enumerate(args):
            if arg.startswith('--'):
                name = arg[2:]
                if '=' in name:
                    name, value = name.split('=', 1)
                elif i + 1 < len(args):
                    value = args[i + 1]
                    i += 1
                else:
                    continue

                component.config.set_cli(name, value)
Exemplo n.º 6
0
def validate_network_mask(s):
    # TODO(someone): implement proper checking
    result = validate_ipv4_address(s)
    if isissue(result):
        return result

    parts = [int(p) for p in result.split(".", 3)]

    x = index(parts, lambda p: p != 255)
    if x == -1:
        return result

    if parts[x] not in [0, 128, 192, 224, 240, 248, 252, 254]:
        return InvalidValueError("Invalid netmask")

    x += 1
    while x < 4:
        if parts[x] != 0:
            return InvalidValueError("Invalid netmask")

    return result
Exemplo n.º 7
0
    def get_schema(self, project, version, configname=None, schema_loader=ConfigSchemaLoader()):
        if not configname:
            configname = "%s.conf" % project
        fullname = "%s/%s" % (project, configname)
        version = Version(version)

        records = schema_loader.load(project, configname)
        if not records:
            return None

        i = len(records) - 1
        # Find latest checkpoint prior given version
        while i >= 0 and not (records[i].get("checkpoint", False) and Version(records[i]["version"]) <= version):
            i -= 1

        if i < 0:
            if Version(records[0]["version"]) > version:
                # Reached the earliest record yet haven't found version
                return None

            # Haven't found checkpoint but yearliest version is less than given
            # Assuming first record is checkpoint
            i = 0

        parameters = []
        seen_parameters = set()
        last_version = None

        while i < len(records) and Version(records[i]["version"]) <= version:
            last_version = records[i]["version"]
            for param_data in records[i].get("added", []):
                name = param_data["name"]
                section = None
                if "." in name:
                    section, name = name.split(".", 1)

                param = ConfigParameterSchema(
                    name,
                    param_data["type"],
                    section=section,
                    type_args=param_data.get("type_args", {}),
                    default=param_data.get("default", None),
                    description=param_data.get("help", None),
                    required=param_data.get("required", False),
                    deprecation_message=param_data.get("deprecated", None),
                )

                if param.name in seen_parameters:
                    old_param_index = index(parameters, lambda p: p.name == param.name)
                    if old_param_index != -1:
                        parameters[old_param_index] = param
                else:
                    parameters.append(param)
                    seen_parameters.add(param.name)
            for param_name in records[i].get("removed", []):
                param_index = index(parameters, lambda p: p.name == param_name)
                if index != -1:
                    parameters.pop(param_index)
                    seen_parameters.discard(param_name)
            i += 1

        return ConfigSchema(fullname, last_version, "ini", parameters)
Exemplo n.º 8
0
    def get_schema(self, project, version, configname=None):
        if not configname:
            configname = '%s.conf' % project
        fullname = '%s/%s' % (project, configname)
        version = Version(version)

        path = os.path.join(self.db_path, project, configname + '.yml')
        if not os.path.exists(path):
            return None

        with open(path) as f:
            records = yaml.load(f.read())

        i = len(records) - 1
        # Find latest checkpoint prior given version
        while i >= 0 and not (records[i].get('checkpoint', False)
                              and Version(records[i]['version']) <= version):
            i -= 1

        if i < 0:
            if Version(records[0]['version']) > version:
                # Reached the earliest record yet haven't found version
                return None

            # Haven't found checkpoint but yearliest version is less than given
            # Assuming first record is checkpoint
            i = 0

        parameters = []
        seen_parameters = set()
        last_version = None

        while i < len(records) and Version(records[i]['version']) <= version:
            last_version = records[i]['version']
            for param_data in records[i].get('added', []):
                name = param_data['name']
                section = None
                if '.' in name:
                    section, name = name.split('.', 1)

                param = ConfigParameterSchema(
                    name, param_data['type'], section=section,
                    type_args=param_data.get('type_args', {}),
                    default=param_data.get('default', None),
                    description=param_data.get('help', None),
                    required=param_data.get('required', False),
                    deprecation_message=param_data.get('deprecated', None))

                if param.name in seen_parameters:
                    old_param_index = index(
                        parameters,
                        lambda p: p.name == param.name)
                    if old_param_index != -1:
                        parameters[old_param_index] = param
                else:
                    parameters.append(param)
                    seen_parameters.add(param.name)
            for param_name in records[i].get('removed', []):
                param_index = index(
                    parameters,
                    lambda p: p.name == param_name)
                if index != -1:
                    parameters.pop(param_index)
                    seen_parameters.discard(param_name)
            i += 1

        return ConfigSchema(fullname, last_version, 'ini', parameters)
Exemplo n.º 9
0
def generate_project_schema(project):
    logger.info('Processing project %s' % project)
    project_path = os.path.join(os.path.dirname(__file__), project)

    files = glob.glob(os.path.join(project_path, '*.yml'))
    if files == []:
        logger.info("Found no YAML files in project %s. Skipping it" % project)
        return

    x = index(files, lambda f: f.endswith('.conf.yml'))
    if x != -1:
        database_file = files[x]
        del files[x]
    else:
        database_file = os.path.join(project_path, project + '.conf.yml')

    schema_records = []
    if os.path.exists(database_file):
        logger.debug("Processing database file %s" % database_file)
        with open(database_file) as f:
            schema_records.extend(yaml.load(f.read()))

    schema_versions = []
    for version_file in files:
        logger.debug("Processing version file %s" % version_file)
        with open(version_file) as f:
            schema_versions.append(yaml.load(f.read()))

    schema_versions = sorted(schema_versions,
                             key=lambda s: Version(s['version']))

    parameters = OrderedDict()
    for schema in schema_versions:
        added = []

        seen = set()

        logger.debug('Processing schema version %s' % schema['version'])

        for param in schema['parameters']:
            # TODO(mkulkin): reduce the level of nesting
            prev_param = parameters.get(param['name'], None)

            if not prev_param:
                logger.debug('Parameter %s does not exist yet,'
                             ' adding it as new'
                             % param['name'])
                added.append(param)
            else:
                seen.add(param['name'])

                if param['type'] != prev_param['type']:
                    validator = TypeRegistry.get_validator(prev_param['type'])
                    if param['type'] == validator.base_type:
                        param['type'] = prev_param['type']

                        if param.get('default', None) is not None:
                            type_args = param.get('type_args', {})
                            value = validator.validate(param['default'], **type_args)
                            if not isinstance(value, Issue):
                                param['default'] = value
                            else:
                                logger.error("In project '%s' version %s"
                                             " default value for parameter"
                                             " '%s' is not valid value of"
                                             " type %s: %s"
                                             % (project, schema['version'],
                                                param['name'], param['type'],
                                                repr(param['default'])))
                    else:
                        logger.debug('Parameter %s type has'
                                     ' changed from %s to %s' %
                                     (param['name'], prev_param['type'],
                                      param['type']))
                        param['comment'] = 'Type has changed'
                        added.append(param)
                        continue

                if param.get('default', None) != \
                   prev_param.get('default', None):
                    logger.debug('Parameter %s default value'
                                 ' has changed from %s to %s' %
                                (param['name'], prev_param['default'],
                                 param['default']))
                    param['comment'] = 'Default value has changed'
                    added.append(param)
                    continue

                if param.get('help', None) != prev_param.get('help', None):
                    param['comment'] = 'Help string has changed'
                    added.append(param)

        removed = [name for name in parameters.keys() if name not in seen]
        if len(removed) > 0:
            logger.debug('Following parameters from previous'
                         ' schema version are not present in'
                         ' current version, marking as removed: %s'
                         % ','.join(removed))

        # Decide either to use full schema update or incremental
        changes_count = sum(map(len, [added, removed]))

        logger.debug('Found %d change(s) from previous version schema'
                     % changes_count)

        if changes_count > int(len(parameters) * DIFF_THRESHOLD):
            logger.debug('Using full schema update')

            new_parameters = parameters.copy()
            for param in added:
                new_parameters[param['name']] = param
            for name in removed:
                del new_parameters[name]

            new_schema_record = dict(version=schema['version'],
                                     added=new_parameters.values(),
                                     removed=[],
                                     checkpoint=True)
        else:
            logger.debug('Using incremental schema update')

            new_schema_record = dict(version=schema['version'],
                                     added=added, removed=removed)

        # Place schema record either replacing existing one or appending as new
        old_schema_record_idx = index(schema_records, lambda r:
                                      str(r['version']) ==
                                      str(new_schema_record['version']))

        if old_schema_record_idx != -1:
            old_schema_record = schema_records[old_schema_record_idx]
            # Collect information from existing records
            old_schema_parameters = {}
            for param in old_schema_record.get('added', []):
                old_schema_parameters[param['name']] = param

            for param in added:
                old_param = old_schema_parameters.get(param['name'], None)
                if not old_param:
                    param.setdefault('comment', 'New param')
                    continue

                extra_data = [(k, v) for k, v in old_param.items()
                              if k not in ['name', 'type', 'default', 'help']]
                param.update(extra_data)

                validator = TypeRegistry.get_validator(old_param['type'])
                if param['type'] not in [old_param['type'],
                                         validator.base_type]:
                    param['comment'] = 'Type has changed'
                    # Type has changed, enforcing old type to prevent
                    # accidental data loss
                    param['type'] = old_param['type']
                    if 'default' in old_param:
                        param['default'] = old_param['default']

                if param.get('default', None) is not None:
                    type_args = old_param.get('type_args', {})
                    value = validator.validate(old_param['default'], **type_args)
                    if not isinstance(value, Issue):
                        param['default'] = value
                    else:
                        logger.error("In project '%s' version %s default value"
                                     " for parameter '%s' is not valid value"
                                     " of type %s: %s" %
                                     (project, schema['version'],
                                      param['name'], param['type'],
                                      repr(param['default'])))

                if param.get('default', None) != old_param.get('default',
                                                               None):
                    param['comment'] = 'Default value has changed'
                    continue

            logger.debug('Replacing schema record %s'
                         % repr(new_schema_record))
            schema_records[old_schema_record_idx] = new_schema_record
        else:
            for param in added:
                param.setdefault('comment', 'New param')

            logger.debug('Appending schema record %s'
                         % repr(new_schema_record))
            schema_records.append(new_schema_record)

        # Update parameter info
        for param in new_schema_record.get('added', []):
            parameters[param['name']] = param

        for name in new_schema_record.get('removed', []):
            del parameters[name]

    schema_records = sorted(schema_records,
                            key=lambda r: Version(r['version']))

    with open(database_file, 'w') as f:
        f.write(yaml_dump_schema_records(schema_records))