107 lines
2.7 KiB
Python
107 lines
2.7 KiB
Python
"""
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Copyright (c) 2023-2024 Wind River Systems, Inc.
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SPDX-License-Identifier: Apache-2.0
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"""
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import logging
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import threading
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from software.software_entities import DeployHandler
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from software.software_entities import DeployHostHandler
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from software.constants import DEPLOY_STATES
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LOG = logging.getLogger('main_logger')
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def get_instance():
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"""Return a Software API instance."""
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return SoftwareAPI()
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class SoftwareAPI:
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_instance = None
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_lock = threading.RLock()
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def __new__(cls):
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if cls._instance is None:
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cls._instance = super(SoftwareAPI, cls).__new__(cls)
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return cls._instance
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def __init__(self):
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self.deploy_handler = DeployHandler()
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self.deploy_host_handler = DeployHostHandler()
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def create_deploy(self, from_release, to_release, reboot_required: bool):
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self.begin_update()
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self.deploy_handler.create(from_release, to_release, reboot_required)
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self.end_update()
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def get_deploy(self):
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self.begin_update()
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try:
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return self.deploy_handler.query()
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finally:
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self.end_update()
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def update_deploy(self, state: DEPLOY_STATES):
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self.begin_update()
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try:
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self.deploy_handler.update(state)
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finally:
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self.end_update()
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def delete_deploy(self):
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self.begin_update()
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try:
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self.deploy_handler.delete()
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finally:
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self.end_update()
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def create_deploy_host(self, hostname):
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self.begin_update()
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try:
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self.deploy_host_handler.create(hostname)
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finally:
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self.end_update()
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def get_deploy_host(self):
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self.begin_update()
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try:
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return self.deploy_host_handler.query_all()
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finally:
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self.end_update()
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def update_deploy_host(self, hostname, state):
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self.begin_update()
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try:
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return self.deploy_host_handler.update(hostname, state)
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finally:
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self.end_update()
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def delete_deploy_host(self, hostname):
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self.begin_update()
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try:
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self.deploy_host_handler.delete(hostname)
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finally:
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self.end_update()
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def delete_deploy_host_all(self):
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self.begin_update()
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try:
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self.deploy_host_handler.delete_all()
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finally:
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self.end_update()
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def begin_update(self):
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tid = threading.get_native_id()
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msg = f"{tid} is to acquire lock."
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LOG.info(msg)
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SoftwareAPI._lock.acquire()
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def end_update(self):
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SoftwareAPI._lock.release()
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tid = threading.get_native_id()
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msg = f"{tid} released lock."
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LOG.info(msg)
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