2018-06-28 17:45:26 +00:00
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import os
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2018-08-15 21:17:41 +00:00
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import base64
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2018-06-28 17:45:26 +00:00
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from backports.tempfile import TemporaryDirectory
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from config_app.config_util.config.fileprovider import FileConfigProvider
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2018-08-09 20:43:11 +00:00
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from config_app.config_util.k8saccessor import KubernetesAccessorSingleton
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2018-08-15 21:17:41 +00:00
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from util.config.validator import EXTRA_CA_DIRECTORY, EXTRA_CA_DIRECTORY_PREFIX
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2018-08-08 18:22:28 +00:00
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2018-06-28 17:45:26 +00:00
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class TransientDirectoryProvider(FileConfigProvider):
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2018-08-15 19:32:24 +00:00
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""" Implementation of the config provider that reads and writes the data
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from/to the file system, only using temporary directories,
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deleting old dirs and creating new ones as requested.
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"""
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def __init__(self, config_volume, yaml_filename, py_filename):
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# Create a temp directory that will be cleaned up when we change the config path
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# This should ensure we have no "pollution" of different configs:
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# no uploaded config should ever affect subsequent config modifications/creations
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temp_dir = TemporaryDirectory()
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self.temp_dir = temp_dir
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super(TransientDirectoryProvider, self).__init__(temp_dir.name, yaml_filename, py_filename)
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@property
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def provider_id(self):
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return 'transient'
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def new_config_dir(self):
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2018-06-28 17:45:26 +00:00
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"""
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2018-08-15 19:32:24 +00:00
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Update the path with a new temporary directory, deleting the old one in the process
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"""
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self.temp_dir.cleanup()
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temp_dir = TemporaryDirectory()
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self.config_volume = temp_dir.name
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self.temp_dir = temp_dir
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self.yaml_path = os.path.join(temp_dir.name, self.yaml_filename)
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def get_config_dir_path(self):
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return self.config_volume
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def save_configuration_to_kubernetes(self):
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2018-08-15 21:17:41 +00:00
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data = {}
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certs_dir = os.path.join(self.config_volume, EXTRA_CA_DIRECTORY)
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if os.path.exists(certs_dir):
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for extra_cert in os.listdir(certs_dir):
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with open(os.path.join(certs_dir, extra_cert)) as f:
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data[EXTRA_CA_DIRECTORY_PREFIX + extra_cert] = base64.b64encode(f.read())
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2018-08-15 19:32:24 +00:00
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2018-08-15 21:17:41 +00:00
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for name in os.listdir(self.config_volume):
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2018-08-15 19:32:24 +00:00
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file_path = os.path.join(self.config_volume, name)
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2018-08-15 21:17:41 +00:00
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if not os.path.isdir(file_path):
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with open(file_path) as f:
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data[name] = base64.b64encode(f.read())
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KubernetesAccessorSingleton.get_instance().replace_qe_secret(data)
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2018-08-15 19:32:24 +00:00
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return 200
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