Download Custom Collector Package

The uploaded custom collector package can be downloaded from the HDFS using below API.

GET: {{TCO_URL}}/dcc/v1/packages/<package_name>/download

Use below curl command to download the uploaded custom collector package.

curl -X GET ":/dcc/v1/packages/{package_name}/download" -u 'user:password'

@custom_collector_v1.route('/packages/<package_name>/download', methods=['GET'])
def download_custom_collector_package(package_name):
""" Download the uploaded Collector Package via name attribute.        Returns: Custom Collector Object uploaded in the HDFS """
try:    
current_app.logger.info("download custom collector package")    
if not bool(check_custom_collector_exist(package_name)):        
raise Exception("Custom Collector Package not found.")    
with tempfile.TemporaryDirectory() as zippedDir:        
with tempfile.NamedTemporaryFile(delete=False, dir=zippedDir) as tmp:            
current_app.logger.debug("tmp file name " + tmp.name)            
filename = download_file_from_hdfs(package_name, tmp.name)            
if filename is None:                
raise FileNotFoundError("package file is not present wrt " + package_name)            
archive_temp_file = shutil.make_archive(tmp.name, "zip", root_dir=tmp.name)            
current_app.logger.debug("archive_temp_file " + archive_temp_file)            
tmp_dir, tmp_filename = archive_temp_file.rsplit(os.sep, 1)            return send_from_directory(tmp_dir, tmp_filename, as_attachment=True)
except Exception as e:    
resp = jsonify({"Error": str(e)})    
resp.status_code = 500    
current_app.logger.error(e)    current_app.logger.error(traceback.format_exc())    
return resp