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authorJustin chi <chigang@huawei.com>2017-11-03 08:48:34 +0000
committerGerrit Code Review <gerrit@opnfv.org>2017-11-03 08:48:34 +0000
commitcdbfdcb04670bba08b301789c6be08900da44f10 (patch)
treee2d20371b26863551ef6907601d06a538d8eea45 /compass-deck/db/api/metadata.py
parent651da345e4fde74f81213fd08cc3a21a8421089a (diff)
parent905b0231e93ce2409a45dd6c4f5f983689fdb790 (diff)
Merge "Add compass-deck"
Diffstat (limited to 'compass-deck/db/api/metadata.py')
-rw-r--r--compass-deck/db/api/metadata.py517
1 files changed, 517 insertions, 0 deletions
diff --git a/compass-deck/db/api/metadata.py b/compass-deck/db/api/metadata.py
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+# Copyright 2014 Huawei Technologies Co. Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Metadata related database operations."""
+import copy
+import logging
+import string
+
+from compass.db.api import adapter as adapter_api
+from compass.db.api import database
+from compass.db.api import utils
+from compass.db import callback as metadata_callback
+from compass.db import exception
+from compass.db import models
+from compass.db import validator as metadata_validator
+
+
+from compass.utils import setting_wrapper as setting
+from compass.utils import util
+
+
+OS_FIELDS = None
+PACKAGE_FIELDS = None
+FLAVOR_FIELDS = None
+OSES_METADATA = None
+PACKAGES_METADATA = None
+FLAVORS_METADATA = None
+OSES_METADATA_UI_CONVERTERS = None
+FLAVORS_METADATA_UI_CONVERTERS = None
+
+
+def _get_field_from_configuration(configs):
+ """Get fields from configurations."""
+ fields = {}
+ for config in configs:
+ if not isinstance(config, dict):
+ raise exception.InvalidParameter(
+ 'config %s is not dict' % config
+ )
+ field_name = config['NAME']
+ fields[field_name] = {
+ 'name': field_name,
+ 'id': field_name,
+ 'field_type': config.get('FIELD_TYPE', basestring),
+ 'display_type': config.get('DISPLAY_TYPE', 'text'),
+ 'validator': config.get('VALIDATOR', None),
+ 'js_validator': config.get('JS_VALIDATOR', None),
+ 'description': config.get('DESCRIPTION', field_name)
+ }
+ return fields
+
+
+def _get_os_fields_from_configuration():
+ """Get os fields from os field config dir."""
+ env_locals = {}
+ env_locals.update(metadata_validator.VALIDATOR_LOCALS)
+ env_locals.update(metadata_callback.CALLBACK_LOCALS)
+ configs = util.load_configs(
+ setting.OS_FIELD_DIR,
+ env_locals=env_locals
+ )
+ return _get_field_from_configuration(
+ configs
+ )
+
+
+def _get_package_fields_from_configuration():
+ """Get package fields from package field config dir."""
+ env_locals = {}
+ env_locals.update(metadata_validator.VALIDATOR_LOCALS)
+ env_locals.update(metadata_callback.CALLBACK_LOCALS)
+ configs = util.load_configs(
+ setting.PACKAGE_FIELD_DIR,
+ env_locals=env_locals
+ )
+ return _get_field_from_configuration(
+ configs
+ )
+
+
+def _get_flavor_fields_from_configuration():
+ """Get flavor fields from flavor field config dir."""
+ env_locals = {}
+ env_locals.update(metadata_validator.VALIDATOR_LOCALS)
+ env_locals.update(metadata_callback.CALLBACK_LOCALS)
+ configs = util.load_configs(
+ setting.FLAVOR_FIELD_DIR,
+ env_locals=env_locals
+ )
+ return _get_field_from_configuration(
+ configs
+ )
+
+
+def _get_metadata_from_configuration(
+ path, name, config,
+ fields, **kwargs
+):
+ """Recursively get metadata from configuration.
+
+ Args:
+ path: used to indicate the path to the root element.
+ mainly for trouble shooting.
+ name: the key of the metadata section.
+ config: the value of the metadata section.
+ fields: all fields defined in os fields or package fields dir.
+ """
+ if not isinstance(config, dict):
+ raise exception.InvalidParameter(
+ '%s config %s is not dict' % (path, config)
+ )
+ metadata_self = config.get('_self', {})
+ if 'field' in metadata_self:
+ field_name = metadata_self['field']
+ field = fields[field_name]
+ else:
+ field = {}
+ # mapping to may contain $ like $partition. Here we replace the
+ # $partition to the key of the correspendent config. The backend then
+ # can use this kind of feature to support multi partitions when we
+ # only declare the partition metadata in one place.
+ mapping_to_template = metadata_self.get('mapping_to', None)
+ if mapping_to_template:
+ mapping_to = string.Template(
+ mapping_to_template
+ ).safe_substitute(
+ **kwargs
+ )
+ else:
+ mapping_to = None
+ self_metadata = {
+ 'name': name,
+ 'display_name': metadata_self.get('display_name', name),
+ 'field_type': field.get('field_type', dict),
+ 'display_type': field.get('display_type', None),
+ 'description': metadata_self.get(
+ 'description', field.get('description', None)
+ ),
+ 'is_required': metadata_self.get('is_required', False),
+ 'required_in_whole_config': metadata_self.get(
+ 'required_in_whole_config', False),
+ 'mapping_to': mapping_to,
+ 'validator': metadata_self.get(
+ 'validator', field.get('validator', None)
+ ),
+ 'js_validator': metadata_self.get(
+ 'js_validator', field.get('js_validator', None)
+ ),
+ 'default_value': metadata_self.get('default_value', None),
+ 'default_callback': metadata_self.get('default_callback', None),
+ 'default_callback_params': metadata_self.get(
+ 'default_callback_params', {}),
+ 'options': metadata_self.get('options', None),
+ 'options_callback': metadata_self.get('options_callback', None),
+ 'options_callback_params': metadata_self.get(
+ 'options_callback_params', {}),
+ 'autofill_callback': metadata_self.get(
+ 'autofill_callback', None),
+ 'autofill_callback_params': metadata_self.get(
+ 'autofill_callback_params', {}),
+ 'required_in_options': metadata_self.get(
+ 'required_in_options', False)
+ }
+ self_metadata.update(kwargs)
+ metadata = {'_self': self_metadata}
+ # Key extension used to do two things:
+ # one is to return the extended metadata that $<something>
+ # will be replace to possible extensions.
+ # The other is to record the $<something> to extended value
+ # and used in future mapping_to subsititution.
+ # TODO(grace): select proper name instead of key_extensions if
+ # you think it is better.
+ # Suppose key_extension is {'$partition': ['/var', '/']} for $partition
+ # the metadata for $partition will be mapped to {
+ # '/var': ..., '/': ...} and kwargs={'partition': '/var'} and
+ # kwargs={'partition': '/'} will be parsed to recursive metadata parsing
+ # for sub metadata under '/var' and '/'. Then in the metadata parsing
+ # for the sub metadata, this kwargs will be used to substitute mapping_to.
+ key_extensions = metadata_self.get('key_extensions', {})
+ general_keys = []
+ for key, value in config.items():
+ if key.startswith('_'):
+ continue
+ if key in key_extensions:
+ if not key.startswith('$'):
+ raise exception.InvalidParameter(
+ '%s subkey %s should start with $' % (
+ path, key
+ )
+ )
+ extended_keys = key_extensions[key]
+ for extended_key in extended_keys:
+ if extended_key.startswith('$'):
+ raise exception.InvalidParameter(
+ '%s extended key %s should not start with $' % (
+ path, extended_key
+ )
+ )
+ sub_kwargs = dict(kwargs)
+ sub_kwargs[key[1:]] = extended_key
+ metadata[extended_key] = _get_metadata_from_configuration(
+ '%s/%s' % (path, extended_key), extended_key, value,
+ fields, **sub_kwargs
+ )
+ else:
+ if key.startswith('$'):
+ general_keys.append(key)
+ metadata[key] = _get_metadata_from_configuration(
+ '%s/%s' % (path, key), key, value,
+ fields, **kwargs
+ )
+ if len(general_keys) > 1:
+ raise exception.InvalidParameter(
+ 'foud multi general keys in %s: %s' % (
+ path, general_keys
+ )
+ )
+ return metadata
+
+
+def _get_oses_metadata_from_configuration():
+ """Get os metadata from os metadata config dir."""
+ oses_metadata = {}
+ env_locals = {}
+ env_locals.update(metadata_validator.VALIDATOR_LOCALS)
+ env_locals.update(metadata_callback.CALLBACK_LOCALS)
+ configs = util.load_configs(
+ setting.OS_METADATA_DIR,
+ env_locals=env_locals
+ )
+ for config in configs:
+ os_name = config['OS']
+ os_metadata = oses_metadata.setdefault(os_name, {})
+ for key, value in config['METADATA'].items():
+ os_metadata[key] = _get_metadata_from_configuration(
+ key, key, value, OS_FIELDS
+ )
+
+ oses = adapter_api.OSES
+ parents = {}
+ for os_name, os in oses.items():
+ parent = os.get('parent', None)
+ parents[os_name] = parent
+ for os_name, os in oses.items():
+ oses_metadata[os_name] = util.recursive_merge_dict(
+ os_name, oses_metadata, parents
+ )
+ return oses_metadata
+
+
+def _get_packages_metadata_from_configuration():
+ """Get package metadata from package metadata config dir."""
+ packages_metadata = {}
+ env_locals = {}
+ env_locals.update(metadata_validator.VALIDATOR_LOCALS)
+ env_locals.update(metadata_callback.CALLBACK_LOCALS)
+ configs = util.load_configs(
+ setting.PACKAGE_METADATA_DIR,
+ env_locals=env_locals
+ )
+ for config in configs:
+ adapter_name = config['ADAPTER']
+ package_metadata = packages_metadata.setdefault(adapter_name, {})
+ for key, value in config['METADATA'].items():
+ package_metadata[key] = _get_metadata_from_configuration(
+ key, key, value, PACKAGE_FIELDS
+ )
+ adapters = adapter_api.ADAPTERS
+ parents = {}
+ for adapter_name, adapter in adapters.items():
+ parent = adapter.get('parent', None)
+ parents[adapter_name] = parent
+ for adapter_name, adapter in adapters.items():
+ packages_metadata[adapter_name] = util.recursive_merge_dict(
+ adapter_name, packages_metadata, parents
+ )
+ return packages_metadata
+
+
+def _get_flavors_metadata_from_configuration():
+ """Get flavor metadata from flavor metadata config dir."""
+ flavors_metadata = {}
+ env_locals = {}
+ env_locals.update(metadata_validator.VALIDATOR_LOCALS)
+ env_locals.update(metadata_callback.CALLBACK_LOCALS)
+ configs = util.load_configs(
+ setting.FLAVOR_METADATA_DIR,
+ env_locals=env_locals
+ )
+ for config in configs:
+ adapter_name = config['ADAPTER']
+ flavor_name = config['FLAVOR']
+ flavor_metadata = flavors_metadata.setdefault(
+ adapter_name, {}
+ ).setdefault(flavor_name, {})
+ for key, value in config['METADATA'].items():
+ flavor_metadata[key] = _get_metadata_from_configuration(
+ key, key, value, FLAVOR_FIELDS
+ )
+
+ packages_metadata = PACKAGES_METADATA
+ adapters_flavors = adapter_api.ADAPTERS_FLAVORS
+ for adapter_name, adapter_flavors in adapters_flavors.items():
+ package_metadata = packages_metadata.get(adapter_name, {})
+ for flavor_name, flavor in adapter_flavors.items():
+ flavor_metadata = flavors_metadata.setdefault(
+ adapter_name, {}
+ ).setdefault(flavor_name, {})
+ util.merge_dict(flavor_metadata, package_metadata, override=False)
+ return flavors_metadata
+
+
+def _filter_metadata(metadata, **kwargs):
+ if not isinstance(metadata, dict):
+ return metadata
+ filtered_metadata = {}
+ for key, value in metadata.items():
+ if key == '_self':
+ default_value = value.get('default_value', None)
+ if default_value is None:
+ default_callback_params = value.get(
+ 'default_callback_params', {}
+ )
+ callback_params = dict(kwargs)
+ if default_callback_params:
+ callback_params.update(default_callback_params)
+ default_callback = value.get('default_callback', None)
+ if default_callback:
+ default_value = default_callback(key, **callback_params)
+ options = value.get('options', None)
+ if options is None:
+ options_callback_params = value.get(
+ 'options_callback_params', {}
+ )
+ callback_params = dict(kwargs)
+ if options_callback_params:
+ callback_params.update(options_callback_params)
+
+ options_callback = value.get('options_callback', None)
+ if options_callback:
+ options = options_callback(key, **callback_params)
+ filtered_metadata[key] = value
+ if default_value is not None:
+ filtered_metadata[key]['default_value'] = default_value
+ if options is not None:
+ filtered_metadata[key]['options'] = options
+ else:
+ filtered_metadata[key] = _filter_metadata(value, **kwargs)
+ return filtered_metadata
+
+
+def _load_metadata(force_reload=False):
+ """Load metadata information into memory.
+
+ If force_reload, the metadata information will be reloaded
+ even if the metadata is already loaded.
+ """
+ adapter_api.load_adapters_internal(force_reload=force_reload)
+ global OS_FIELDS
+ if force_reload or OS_FIELDS is None:
+ OS_FIELDS = _get_os_fields_from_configuration()
+ global PACKAGE_FIELDS
+ if force_reload or PACKAGE_FIELDS is None:
+ PACKAGE_FIELDS = _get_package_fields_from_configuration()
+ global FLAVOR_FIELDS
+ if force_reload or FLAVOR_FIELDS is None:
+ FLAVOR_FIELDS = _get_flavor_fields_from_configuration()
+ global OSES_METADATA
+ if force_reload or OSES_METADATA is None:
+ OSES_METADATA = _get_oses_metadata_from_configuration()
+ global PACKAGES_METADATA
+ if force_reload or PACKAGES_METADATA is None:
+ PACKAGES_METADATA = _get_packages_metadata_from_configuration()
+ global FLAVORS_METADATA
+ if force_reload or FLAVORS_METADATA is None:
+ FLAVORS_METADATA = _get_flavors_metadata_from_configuration()
+ global OSES_METADATA_UI_CONVERTERS
+ if force_reload or OSES_METADATA_UI_CONVERTERS is None:
+ OSES_METADATA_UI_CONVERTERS = (
+ _get_oses_metadata_ui_converters_from_configuration()
+ )
+ global FLAVORS_METADATA_UI_CONVERTERS
+ if force_reload or FLAVORS_METADATA_UI_CONVERTERS is None:
+ FLAVORS_METADATA_UI_CONVERTERS = (
+ _get_flavors_metadata_ui_converters_from_configuration()
+ )
+
+
+def _get_oses_metadata_ui_converters_from_configuration():
+ """Get os metadata ui converters from os metadata mapping config dir.
+
+ os metadata ui converter is used to convert os metadata to
+ the format UI can understand and show.
+ """
+ oses_metadata_ui_converters = {}
+ configs = util.load_configs(setting.OS_MAPPING_DIR)
+ for config in configs:
+ os_name = config['OS']
+ oses_metadata_ui_converters[os_name] = config.get('CONFIG_MAPPING', {})
+
+ oses = adapter_api.OSES
+ parents = {}
+ for os_name, os in oses.items():
+ parent = os.get('parent', None)
+ parents[os_name] = parent
+ for os_name, os in oses.items():
+ oses_metadata_ui_converters[os_name] = util.recursive_merge_dict(
+ os_name, oses_metadata_ui_converters, parents
+ )
+ return oses_metadata_ui_converters
+
+
+def _get_flavors_metadata_ui_converters_from_configuration():
+ """Get flavor metadata ui converters from flavor mapping config dir."""
+ flavors_metadata_ui_converters = {}
+ configs = util.load_configs(setting.FLAVOR_MAPPING_DIR)
+ for config in configs:
+ adapter_name = config['ADAPTER']
+ flavor_name = config['FLAVOR']
+ flavors_metadata_ui_converters.setdefault(
+ adapter_name, {}
+ )[flavor_name] = config.get('CONFIG_MAPPING', {})
+ adapters = adapter_api.ADAPTERS
+ parents = {}
+ for adapter_name, adapter in adapters.items():
+ parent = adapter.get('parent', None)
+ parents[adapter_name] = parent
+ for adapter_name, adapter in adapters.items():
+ flavors_metadata_ui_converters[adapter_name] = (
+ util.recursive_merge_dict(
+ adapter_name, flavors_metadata_ui_converters, parents
+ )
+ )
+ return flavors_metadata_ui_converters
+
+
+def get_packages_metadata_internal(force_reload=False):
+ """Get deployable package metadata."""
+ _load_metadata(force_reload=force_reload)
+ metadata_mapping = {}
+ adapters = adapter_api.ADAPTERS
+ for adapter_name, adapter in adapters.items():
+ if adapter.get('deployable'):
+ metadata_mapping[adapter_name] = _filter_metadata(
+ PACKAGES_METADATA.get(adapter_name, {})
+ )
+ else:
+ logging.info(
+ 'ignore metadata since its adapter %s is not deployable',
+ adapter_name
+ )
+ return metadata_mapping
+
+
+def get_flavors_metadata_internal(force_reload=False):
+ """Get deployable flavor metadata."""
+ _load_metadata(force_reload=force_reload)
+ metadata_mapping = {}
+ adapters_flavors = adapter_api.ADAPTERS_FLAVORS
+ for adapter_name, adapter_flavors in adapters_flavors.items():
+ adapter = adapter_api.ADAPTERS[adapter_name]
+ if not adapter.get('deployable'):
+ logging.info(
+ 'ignore metadata since its adapter %s is not deployable',
+ adapter_name
+ )
+ continue
+ for flavor_name, flavor in adapter_flavors.items():
+ flavor_metadata = FLAVORS_METADATA.get(
+ adapter_name, {}
+ ).get(flavor_name, {})
+ metadata = _filter_metadata(flavor_metadata)
+ metadata_mapping.setdefault(
+ adapter_name, {}
+ )[flavor_name] = metadata
+ return metadata_mapping
+
+
+def get_flavors_metadata_ui_converters_internal(force_reload=False):
+ """Get usable flavor metadata ui converters."""
+ _load_metadata(force_reload=force_reload)
+ return FLAVORS_METADATA_UI_CONVERTERS
+
+
+def get_oses_metadata_internal(force_reload=False):
+ """Get deployable os metadata."""
+ _load_metadata(force_reload=force_reload)
+ metadata_mapping = {}
+ oses = adapter_api.OSES
+ for os_name, os in oses.items():
+ if os.get('deployable'):
+ metadata_mapping[os_name] = _filter_metadata(
+ OSES_METADATA.get(os_name, {})
+ )
+ else:
+ logging.info(
+ 'ignore metadata since its os %s is not deployable',
+ os_name
+ )
+ return metadata_mapping
+
+
+def get_oses_metadata_ui_converters_internal(force_reload=False):
+ """Get usable os metadata ui converters."""
+ _load_metadata(force_reload=force_reload)
+ return OSES_METADATA_UI_CONVERTERS