138 lines
5.7 KiB
Python
Executable File
138 lines
5.7 KiB
Python
Executable File
#!/usr/bin/env python3
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# Daemon.py - PVC HTTP API daemon
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# Part of the Parallel Virtual Cluster (PVC) system
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#
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# Copyright (C) 2018-2021 Joshua M. Boniface <joshua@boniface.me>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, version 3.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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#
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###############################################################################
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import os
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import yaml
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from distutils.util import strtobool as dustrtobool
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# Daemon version
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version = '0.9.22'
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# API version
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API_VERSION = 1.0
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##########################################################
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# Helper Functions
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##########################################################
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def strtobool(stringv):
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if stringv is None:
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return False
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if isinstance(stringv, bool):
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return bool(stringv)
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try:
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return bool(dustrtobool(stringv))
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except Exception:
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return False
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##########################################################
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# Configuration Parsing
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##########################################################
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# Parse the configuration file
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try:
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pvcapid_config_file = os.environ['PVC_CONFIG_FILE']
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except Exception:
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print('Error: The "PVC_CONFIG_FILE" environment variable must be set before starting pvcapid.')
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exit(1)
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print('Loading configuration from file "{}"'.format(pvcapid_config_file))
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# Read in the config
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try:
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with open(pvcapid_config_file, 'r') as cfgfile:
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o_config = yaml.load(cfgfile, Loader=yaml.BaseLoader)
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except Exception as e:
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print('ERROR: Failed to parse configuration file: {}'.format(e))
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exit(1)
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try:
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# Create the config object
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config = {
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'debug': strtobool(o_config['pvc']['debug']),
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'coordinators': o_config['pvc']['coordinators'],
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'listen_address': o_config['pvc']['api']['listen_address'],
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'listen_port': int(o_config['pvc']['api']['listen_port']),
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'auth_enabled': strtobool(o_config['pvc']['api']['authentication']['enabled']),
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'auth_secret_key': o_config['pvc']['api']['authentication']['secret_key'],
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'auth_tokens': o_config['pvc']['api']['authentication']['tokens'],
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'ssl_enabled': strtobool(o_config['pvc']['api']['ssl']['enabled']),
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'ssl_key_file': o_config['pvc']['api']['ssl']['key_file'],
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'ssl_cert_file': o_config['pvc']['api']['ssl']['cert_file'],
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'database_host': o_config['pvc']['provisioner']['database']['host'],
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'database_port': int(o_config['pvc']['provisioner']['database']['port']),
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'database_name': o_config['pvc']['provisioner']['database']['name'],
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'database_user': o_config['pvc']['provisioner']['database']['user'],
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'database_password': o_config['pvc']['provisioner']['database']['pass'],
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'queue_host': o_config['pvc']['provisioner']['queue']['host'],
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'queue_port': o_config['pvc']['provisioner']['queue']['port'],
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'queue_path': o_config['pvc']['provisioner']['queue']['path'],
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'storage_hosts': o_config['pvc']['provisioner']['ceph_cluster']['storage_hosts'],
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'storage_domain': o_config['pvc']['provisioner']['ceph_cluster']['storage_domain'],
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'ceph_monitor_port': o_config['pvc']['provisioner']['ceph_cluster']['ceph_monitor_port'],
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'ceph_storage_secret_uuid': o_config['pvc']['provisioner']['ceph_cluster']['ceph_storage_secret_uuid']
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}
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# Use coordinators as storage hosts if not explicitly specified
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if not config['storage_hosts']:
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config['storage_hosts'] = config['coordinators']
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except Exception as e:
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print('ERROR: Failed to load configuration: {}'.format(e))
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exit(1)
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##########################################################
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# Entrypoint
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##########################################################
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def entrypoint():
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import pvcapid.flaskapi as pvc_api # noqa: E402
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if config['ssl_enabled']:
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context = (config['ssl_cert_file'], config['ssl_key_file'])
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else:
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context = None
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# Print our startup messages
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print('')
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print('|----------------------------------------------------------|')
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print('| |')
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print('| ███████████ ▜█▙ ▟█▛ █████ █ █ █ |')
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print('| ██ ▜█▙ ▟█▛ ██ |')
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print('| ███████████ ▜█▙ ▟█▛ ██ |')
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print('| ██ ▜█▙▟█▛ ███████████ |')
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print('| |')
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print('|----------------------------------------------------------|')
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print('| Parallel Virtual Cluster API daemon v{0: <19} |'.format(version))
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print('| Debug: {0: <49} |'.format(str(config['debug'])))
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print('| API version: v{0: <42} |'.format(API_VERSION))
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print('| Listen: {0: <48} |'.format('{}:{}'.format(config['listen_address'], config['listen_port'])))
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print('| SSL: {0: <51} |'.format(str(config['ssl_enabled'])))
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print('| Authentication: {0: <40} |'.format(str(config['auth_enabled'])))
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print('|----------------------------------------------------------|')
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print('')
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pvc_api.app.run(config['listen_address'], config['listen_port'], threaded=True, ssl_context=context)
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