67 lines
2.4 KiB
Python
67 lines
2.4 KiB
Python
#
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# Copyright (c) 2018-2019 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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from sysinv.common import constants
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from sysinv.common import exception
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from sysinv.common import utils
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from sysinv.helm import common
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from sysinv.helm import base
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class GarbdHelm(base.BaseHelm):
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"""Class to encapsulate helm operations for the galera arbitrator chart"""
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# The service name is used to build the standard docker image location.
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# It is intentionally "mariadb" and not "garbd" as they both use the
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# same docker image.
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SERVICE_NAME = common.HELM_CHART_MARIADB
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CHART = common.HELM_CHART_GARBD
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SUPPORTED_NAMESPACES = \
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base.BaseHelm.SUPPORTED_NAMESPACES + [common.HELM_NS_OPENSTACK]
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SUPPORTED_APP_NAMESPACES = {
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constants.HELM_APP_OPENSTACK:
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base.BaseHelm.SUPPORTED_NAMESPACES + [common.HELM_NS_OPENSTACK]
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}
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def _is_enabled(self, app_name, chart_name, namespace):
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# First, see if this chart is enabled by the user then adjust based on
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# system conditions
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enabled = super(GarbdHelm, self)._is_enabled(
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app_name, chart_name, namespace)
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# If there are fewer than 2 controllers or we're on AIO-DX or we are on
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# distributed cloud system controller, we'll use a single mariadb server
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# and so we don't want to run garbd.
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if enabled and (self._num_controllers() < 2 or
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utils.is_aio_duplex_system(self.dbapi) or
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(self._distributed_cloud_role() ==
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constants.DISTRIBUTED_CLOUD_ROLE_SYSTEMCONTROLLER)):
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enabled = False
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return enabled
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def execute_manifest_updates(self, operator):
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# On application load this chart is enabled in the mariadb chart group
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if not self._is_enabled(operator.APP,
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self.CHART, common.HELM_NS_OPENSTACK):
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operator.chart_group_chart_delete(
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operator.CHART_GROUPS_LUT[self.CHART],
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operator.CHARTS_LUT[self.CHART])
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def get_overrides(self, namespace=None):
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overrides = {
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common.HELM_NS_OPENSTACK: {
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}
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}
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if namespace in self.SUPPORTED_NAMESPACES:
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return overrides[namespace]
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elif namespace:
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raise exception.InvalidHelmNamespace(chart=self.CHART,
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namespace=namespace)
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else:
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return overrides
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