56 lines
1.9 KiB
Python
56 lines
1.9 KiB
Python
# Copyright 2020 Canonical Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import ops_openstack.core
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# ch_context needed for bluestore validation
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import charmhelpers.contrib.openstack.context as ch_context
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from ops.model import (
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ActiveStatus,
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BlockedStatus,
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)
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class BaseCephClientCharm(ops_openstack.core.OSBaseCharm):
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def __init__(self, framework):
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super().__init__(framework)
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super().register_status_check(self.check_bluestore_compression)
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def check_bluestore_compression(self):
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try:
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self.get_bluestore_compression()
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return ActiveStatus()
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except ValueError as e:
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return BlockedStatus(
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'Invalid configuration: {}'.format(str(e)))
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@staticmethod
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def get_bluestore_compression():
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"""Get BlueStore Compression charm configuration if present.
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:returns: Dictionary of options suitable for passing on as keyword
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arguments or None.
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:rtype: Optional[Dict[str,any]]
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:raises: ValueError
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"""
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try:
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bluestore_compression = (
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ch_context.CephBlueStoreCompressionContext())
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bluestore_compression.validate()
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except KeyError:
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# The charm does not have BlueStore Compression options defined
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bluestore_compression = None
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if bluestore_compression:
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return bluestore_compression.get_kwargs()
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