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split sync and archive functions, update README
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| ############################################################################### | ||
| # | ||
| # Licensed to the Apache Software Foundation (ASF) under one | ||
| # or more contributor license agreements. See the NOTICE file | ||
| # distributed with this work for additional information | ||
| # regarding copyright ownership. The ASF licenses this file | ||
| # to you 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. | ||
| # | ||
| ############################################################################### | ||
|
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| import json | ||
| import logging | ||
| import zipfile | ||
|
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| import click | ||
| import requests | ||
| from typing import Union | ||
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| from pywis_pubsub import cli_options | ||
| from pywis_pubsub.mqtt import MQTTPubSubClient | ||
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| from wis2_gdc.env import API_URL, API_URL_DOCKER, BROKER_URL, CENTRE_ID | ||
|
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| LOGGER = logging.getLogger(__name__) | ||
|
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| def archive_metadata(url: str, archive_zipfile: str) -> None: | ||
| """ | ||
| Archive all discovery metadata from a GDC to an archive zipfile | ||
| :param url: `str` of GDC API URL | ||
| :param archive_zipfile: `str` of filename of zipfile | ||
| :returns: `None` | ||
| """ | ||
|
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| def _get_next_link(links) -> Union[str, None]: | ||
| """ | ||
| Inner helper function to derive rel=next link from GDC response | ||
| :param links: `list` of links array | ||
| :returns: `str` of next link or `None` | ||
| """ | ||
|
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| for link in links: | ||
| if link['rel'] == 'next': | ||
| return link['href'] | ||
|
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| return None | ||
|
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| end = False | ||
| gdc_items_url = f'{url}/collections/wis2-discovery-metadata/items' | ||
| response = None | ||
|
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| with zipfile.ZipFile(archive_zipfile, 'w') as zf: | ||
| while not end: | ||
| if response is None: | ||
| gdc_items_url2 = gdc_items_url | ||
| else: | ||
| gdc_items_url2 = _get_next_link(response['links']) | ||
|
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| LOGGER.info(f'Querying GDC with {gdc_items_url2}') | ||
| response = requests.get(gdc_items_url2).json() | ||
|
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| for feature in response['features']: | ||
| LOGGER.debug(f"Saving {feature['id']} to archive") | ||
| filename = f"{feature['id']}.json" | ||
| zf.writestr(filename, json.dumps(feature)) | ||
|
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| if _get_next_link(response['links']) is None: | ||
| end = True | ||
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| msg = { | ||
| 'type': 'archive-published', | ||
| 'description': f'Archive published at {API_URL}/wis2-gdc-archive.zip' | ||
| } | ||
|
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| m = MQTTPubSubClient(BROKER_URL) | ||
| m.pub(f'monitor/a/wis2/{CENTRE_ID}', json.dumps(msg)) | ||
| m.close() | ||
|
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| @click.command() | ||
| @click.pass_context | ||
| @click.argument('archive-zipfile') | ||
| @cli_options.OPTION_VERBOSITY | ||
| def archive(ctx, archive_zipfile, verbosity='NOTSET'): | ||
| """Archive discovery metadata records""" | ||
|
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| click.echo(f'Achiving metadata from GDC {API_URL}') | ||
| archive_metadata(API_URL_DOCKER, archive_zipfile) |
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