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sol007_package.py

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Source

osmclient/common/sol007_package.py

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# Copyright ETSI Contributors and Others.




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#




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# Licensed under the Apache License, Version 2.0 (the "License");




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# you may not use this file except in compliance with the License.




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# You may obtain a copy of the License at




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#




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#    http://www.apache.org/licenses/LICENSE-2.0




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#




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# Unless required by applicable law or agreed to in writing, software




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# distributed under the License is distributed on an "AS IS" BASIS,




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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or




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# implied.




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# See the License for the specific language governing permissions and




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# limitations under the License.




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"""Python module for interacting with ETSI GS NFV-SOL007 compliant packages.




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This module provides a SOL007Package class for validating and interacting with




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ETSI SOL007 packages. A valid SOL007 package may have its files arranged according




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to one of the following two structures:




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SOL007 with metadata directory    SOL007 without metadata directory




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native_charm_vnf/                 native_charm_vnf/




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├── TOSCA-Metadata                ├── native_charm_nsd.mf




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│   └── TOSCA.meta                ├── native_charm_nsd.yaml




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├── manifest.mf                   ├── ChangeLog.txt




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├── Definitions                   ├── Licenses




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│   └── native_charm_nsd.yaml     │   └── license.lic




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├── Files                         ├── Files




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│   ├── icons                     │   └── icons




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│   │   └── osm.png               │       └── osm.png




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│   ├── Licenses                  └── Scripts




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│   │   └── license.lic               ├── cloud_init




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│   └── changelog.txt                 │   └── cloud-config.txt




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└── Scripts                           └── charms




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    ├── cloud_init                        └── simple




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    │   └── cloud-config.txt                  ├── config.yaml




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    └── charms                                ├── hooks




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        └── simple                            │   ├── install




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            ├── config.yaml                  ...




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            ├── hooks                         │




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            │   ├── install                   └── src




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           ...                                    └── charm.py




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            └── src




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                └── charm.py




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"""




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import yaml




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import datetime




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import os




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from .sol_package import SOLPackage




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class SOL007PackageException(Exception):




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    pass




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class SOL007Package(SOLPackage):




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    _MANIFEST_NSD_INVARIANT_ID = "nsd_invariant_id"




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    _MANIFEST_NSD_NAME = "nsd_name"




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    _MANIFEST_NSD_DESIGNER = "nsd_designer"




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    _MANIFEST_NSD_FILE_STRUCTURE_VERSION = "nsd_file_structure_version"




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    _MANIFEST_NSD_RELEASE_DATE_TIME = "nsd_release_date_time"




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    _MANIFEST_NSD_COMPATIBLE_SPECIFICATION_VERSIONS = (




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        "compatible_specification_versions"




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    )




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    _MANIFEST_ALL_FIELDS = [




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        _MANIFEST_NSD_INVARIANT_ID,




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        _MANIFEST_NSD_NAME,




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        _MANIFEST_NSD_DESIGNER,




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        _MANIFEST_NSD_FILE_STRUCTURE_VERSION,




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        _MANIFEST_NSD_RELEASE_DATE_TIME,




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        _MANIFEST_NSD_COMPATIBLE_SPECIFICATION_VERSIONS,




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    ]




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    def __init__(self, package_path=""):




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        super().__init__(package_path)




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    def generate_manifest_data_from_descriptor(self):




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        descriptor_path = os.path.join(




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            self._package_path, self.get_descriptor_location()




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        )




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        with open(descriptor_path, "r") as descriptor:




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            try:




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                nsd_data = yaml.safe_load(descriptor)["nsd"]




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            except yaml.YAMLError as e:




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                print("Error reading descriptor {}: {}".format(descriptor_path, e))




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                return




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            self._manifest_metadata = {}




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            self._manifest_metadata[self._MANIFEST_NSD_INVARIANT_ID] = nsd_data.get(




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                "id", "default-id"




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            )




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            self._manifest_metadata[self._MANIFEST_NSD_NAME] = nsd_data.get(




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                "name", "default-name"




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            )




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            self._manifest_metadata[self._MANIFEST_NSD_DESIGNER] = nsd_data.get(




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                "designer", "OSM"




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            )




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            self._manifest_metadata[




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                self._MANIFEST_NSD_FILE_STRUCTURE_VERSION




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            ] = nsd_data.get("version", "1.0")




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            self._manifest_metadata[self._MANIFEST_NSD_RELEASE_DATE_TIME] = (




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                datetime.datetime.now().astimezone().isoformat()




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            )




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            self._manifest_metadata[




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                self._MANIFEST_NSD_COMPATIBLE_SPECIFICATION_VERSIONS




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            ] = "2.7.1"