56 lines
2.0 KiB
Python
Executable File
56 lines
2.0 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Copyright 2016 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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from subprocess import CalledProcessError
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import sys
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sys.path.append('hooks')
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from charmhelpers.contrib.storage.linux.ceph import Pool, pool_exists
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from charmhelpers.core.hookenv import action_get, log, action_fail
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def make_cache_tier():
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backer_pool = action_get("backer-pool")
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cache_pool = action_get("cache-pool")
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cache_mode = action_get("cache-mode")
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# Pre flight checks
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if not pool_exists('admin', backer_pool):
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log("Please create {} pool before calling create-cache-tier".format(
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backer_pool))
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action_fail("create-cache-tier failed. Backer pool {} must exist "
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"before calling this".format(backer_pool))
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if not pool_exists('admin', cache_pool):
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log("Please create {} pool before calling create-cache-tier".format(
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cache_pool))
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action_fail("create-cache-tier failed. Cache pool {} must exist "
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"before calling this".format(cache_pool))
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pool = Pool(service='admin', name=backer_pool)
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try:
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pool.add_cache_tier(cache_pool=cache_pool, mode=cache_mode)
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except CalledProcessError as err:
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log("Add cache tier failed with message: {}"
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.format(str(err)))
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action_fail("create-cache-tier failed. Add cache tier failed with "
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"message: {}".format(str(err)))
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if __name__ == '__main__':
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make_cache_tier()
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