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quay/config_app/config_util/config/TransientDirectoryProvider.py
2018-08-16 16:49:10 -04:00

47 lines
1.7 KiB
Python

import os
from backports.tempfile import TemporaryDirectory
from config_app.config_util.config.fileprovider import FileConfigProvider
from config_app.config_util.k8saccessor import KubernetesAccessorSingleton
class TransientDirectoryProvider(FileConfigProvider):
""" Implementation of the config provider that reads and writes the data
from/to the file system, only using temporary directories,
deleting old dirs and creating new ones as requested.
"""
def __init__(self, config_volume, yaml_filename, py_filename):
# Create a temp directory that will be cleaned up when we change the config path
# This should ensure we have no "pollution" of different configs:
# no uploaded config should ever affect subsequent config modifications/creations
temp_dir = TemporaryDirectory()
self.temp_dir = temp_dir
super(TransientDirectoryProvider, self).__init__(temp_dir.name, yaml_filename, py_filename)
@property
def provider_id(self):
return 'transient'
def new_config_dir(self):
"""
Update the path with a new temporary directory, deleting the old one in the process
"""
self.temp_dir.cleanup()
temp_dir = TemporaryDirectory()
self.config_volume = temp_dir.name
self.temp_dir = temp_dir
self.yaml_path = os.path.join(temp_dir.name, self.yaml_filename)
def get_config_dir_path(self):
return self.config_volume
def save_configuration_to_kubernetes(self):
config_path = self.get_config_dir_path()
for name in os.listdir(config_path):
file_path = os.path.join(self.config_volume, name)
KubernetesAccessorSingleton.get_instance().save_file_as_secret(name, file_path)
return 200