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# Copyright 2018 Telefonica |
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# |
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# All Rights Reserved. |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); you may |
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# not use this file except in compliance with the License. You may obtain |
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# 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, WITHOUT |
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
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# License for the specific language governing permissions and limitations |
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# under the License. |
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""" |
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OSM nsd API handling |
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""" |
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from osmclient.common.exceptions import NotFound |
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from osmclient.common.exceptions import ClientException |
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from osmclient.common import utils |
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import json |
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import magic |
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from os.path import basename |
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import logging |
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import os.path |
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class Nsd(object): |
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def __init__(self, http=None, client=None): |
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self._http = http |
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self._client = client |
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self._logger = logging.getLogger("osmclient") |
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self._apiName = "/nsd" |
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self._apiVersion = "/v1" |
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self._apiResource = "/ns_descriptors" |
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self._apiBase = "{}{}{}".format( |
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self._apiName, self._apiVersion, self._apiResource |
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) |
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|
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def list(self, filter=None): |
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self._logger.debug("") |
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self._client.get_token() |
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filter_string = "" |
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if filter: |
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filter_string = "?{}".format(filter) |
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_, resp = self._http.get2_cmd("{}{}".format(self._apiBase, filter_string)) |
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|
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if resp: |
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return json.loads(resp) |
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return list() |
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|
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def get(self, name): |
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self._logger.debug("") |
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self._client.get_token() |
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if utils.validate_uuid4(name): |
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for nsd in self.list(): |
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if name == nsd["_id"]: |
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return nsd |
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else: |
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for nsd in self.list(): |
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if "name" in nsd and name == nsd["name"]: |
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return nsd |
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raise NotFound("nsd {} not found".format(name)) |
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def get_individual(self, name): |
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self._logger.debug("") |
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# Call to get_token not required, because will be implicitly called by get. |
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try: |
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nsd = self.get(name) |
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# It is redundant, since the previous one already gets the whole nsdinfo |
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# The only difference is that a different primitive is exercised |
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_, resp = self._http.get2_cmd("{}/{}".format(self._apiBase, nsd["_id"])) |
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if resp: |
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return json.loads(resp) |
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except NotFound: |
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raise NotFound("nsd '{}' not found".format(name)) |
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raise NotFound("nsd '{}' not found".format(name)) |
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|
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def get_thing(self, name, thing, filename): |
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self._logger.debug("") |
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# Call to get_token not required, because will be implicitly called by get. |
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nsd = self.get(name) |
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headers = self._client._headers |
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headers["Accept"] = "application/binary" |
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http_code, resp = self._http.get2_cmd( |
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"{}/{}/{}".format(self._apiBase, nsd["_id"], thing) |
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) |
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if resp: |
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return json.loads(resp) |
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else: |
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msg = resp or "" |
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raise ClientException( |
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"failed to get {} from {} - {}".format(thing, name, msg) |
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) |
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def get_descriptor(self, name, filename): |
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self._logger.debug("") |
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self.get_thing(name, "nsd", filename) |
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def get_package(self, name, filename): |
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self._logger.debug("") |
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self.get_thing(name, "package_content", filename) |
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def get_artifact(self, name, artifact, filename): |
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self._logger.debug("") |
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self.get_thing(name, "artifacts/{}".format(artifact), filename) |
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def delete(self, name, force=False): |
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self._logger.debug("") |
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nsd = self.get(name) |
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querystring = "" |
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if force: |
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querystring = "?FORCE=True" |
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http_code, resp = self._http.delete_cmd( |
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"{}/{}{}".format(self._apiBase, nsd["_id"], querystring) |
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) |
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|
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if http_code == 202: |
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print("Deletion in progress") |
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elif http_code == 204: |
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print("Deleted") |
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else: |
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msg = resp or "" |
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raise ClientException("failed to delete nsd {} - {}".format(name, msg)) |
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def create( |
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self, filename, overwrite=None, update_endpoint=None, skip_charm_build=False |
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): |
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self._logger.debug("") |
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if os.path.isdir(filename): |
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filename = filename.rstrip("/") |
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filename = self._client.package_tool.build( |
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filename, skip_validation=False, skip_charm_build=skip_charm_build |
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) |
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self.create(filename, overwrite=overwrite, update_endpoint=update_endpoint) |
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else: |
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self._client.get_token() |
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mime_type = magic.from_file(filename, mime=True) |
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if mime_type is None: |
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raise ClientException( |
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"Unexpected MIME type for file {}: MIME type {}".format( |
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filename, mime_type |
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) |
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) |
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headers = self._client._headers |
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headers["Content-Filename"] = basename(filename) |
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if mime_type in ["application/yaml", "text/plain", "application/json"]: |
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headers["Content-Type"] = "text/plain" |
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elif mime_type in ["application/gzip", "application/x-gzip"]: |
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headers["Content-Type"] = "application/gzip" |
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elif mime_type in ["application/zip"]: |
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headers["Content-Type"] = "application/zip" |
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else: |
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raise ClientException( |
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"Unexpected MIME type for file {}: MIME type {}".format( |
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filename, mime_type |
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) |
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) |
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headers["Content-File-MD5"] = utils.md5(filename) |
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http_header = [ |
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"{}: {}".format(key, val) for (key, val) in list(headers.items()) |
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] |
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self._http.set_http_header(http_header) |
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if update_endpoint: |
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http_code, resp = self._http.put_cmd( |
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endpoint=update_endpoint, filename=filename |
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) |
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else: |
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ow_string = "" |
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if overwrite: |
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ow_string = "?{}".format(overwrite) |
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self._apiResource = "/ns_descriptors_content" |
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self._apiBase = "{}{}{}".format( |
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self._apiName, self._apiVersion, self._apiResource |
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) |
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endpoint = "{}{}".format(self._apiBase, ow_string) |
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http_code, resp = self._http.post_cmd( |
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endpoint=endpoint, filename=filename |
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) |
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if http_code in (200, 201, 202): |
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if resp: |
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resp = json.loads(resp) |
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if not resp or "id" not in resp: |
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raise ClientException( |
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"unexpected response from server - {}".format(resp) |
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) |
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print(resp["id"]) |
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elif http_code == 204: |
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print("Updated") |
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def update(self, name, filename): |
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self._logger.debug("") |
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nsd = self.get(name) |
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endpoint = "{}/{}/nsd_content".format(self._apiBase, nsd["_id"]) |
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self.create(filename=filename, update_endpoint=endpoint) |
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