eb97f4c8b6
1) Remove DC manager orchestration from dcmanager-manager process 2) Create dcmanager-orchestrator process and associated files 3) Add new RPC calls for dcmanager-orchestrator process to notify dcmanager 4) Create/update unit tests, to verify the implementation changes Story: 2007267 Task: 40734 Change-Id: Ibbbae77558a8a8fd95b636fa6c3aebb1dfefb514 Signed-off-by: Jessica Castelino <jessica.castelino@windriver.com>
83 lines
3.1 KiB
Python
83 lines
3.1 KiB
Python
#
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# Copyright (c) 2020 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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import time
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from dcmanager.common import consts
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from dcmanager.common.exceptions import StrategyStoppedException
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from dcmanager.db import api as db_api
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from dcmanager.orchestrator.states.base import BaseState
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# Max time: 10 minutes = 60 queries x 10 seconds between each query
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DEFAULT_MAX_QUERIES = 60
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DEFAULT_SLEEP_DURATION = 10
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class CompletingUpgradeState(BaseState):
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"""Upgrade state actions for completing an upgrade"""
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def __init__(self, region_name):
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super(CompletingUpgradeState, self).__init__(
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next_state=consts.STRATEGY_STATE_DELETING_LOAD, region_name=region_name)
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# max time to wait (in seconds) is: sleep_duration * max_queries
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self.sleep_duration = DEFAULT_SLEEP_DURATION
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self.max_queries = DEFAULT_MAX_QUERIES
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def finalize_upgrade(self, strategy_step):
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sysinv_client = self.get_sysinv_client(strategy_step.subcloud.name)
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software_version = sysinv_client.get_system().software_version
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db_api.subcloud_update(
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self.context, strategy_step.subcloud_id,
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deploy_status=consts.DEPLOY_STATE_DONE,
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software_version=software_version)
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return self.next_state
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def perform_state_action(self, strategy_step):
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"""Complete an upgrade on a subcloud
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Returns the next state in the state machine on success.
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Any exceptions raised by this method set the strategy to FAILED.
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"""
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# get the sysinv client for the subcloud
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sysinv_client = self.get_sysinv_client(strategy_step.subcloud.name)
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# upgrade-complete causes the upgrade to be deleted.
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# if no upgrade exists, there is no need to call it.
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# The API should always return a list
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upgrades = sysinv_client.get_upgrades()
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if len(upgrades) == 0:
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self.info_log(strategy_step,
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"No upgrades exist. Nothing needs completing")
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return self.finalize_upgrade(strategy_step)
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# invoke the API 'upgrade-complete'
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# This is a partially blocking call that raises exception on failure.
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sysinv_client.upgrade_complete()
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# 'completion' deletes the upgrade. Need to loop until it is deleted
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counter = 0
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while True:
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# If event handler stop has been triggered, fail the state
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if self.stopped():
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raise StrategyStoppedException()
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upgrades = self.get_sysinv_client(
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strategy_step.subcloud.name).get_upgrades()
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if len(upgrades) == 0:
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self.info_log(strategy_step,
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"Upgrade completed.")
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break
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counter += 1
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if counter >= self.max_queries:
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raise Exception("Timeout waiting for completion to complete")
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time.sleep(self.sleep_duration)
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# When we return from this method without throwing an exception, the
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# state machine can proceed to the next state
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return self.finalize_upgrade(strategy_step)
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