105 lines
4.0 KiB
Python
Executable File
105 lines
4.0 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 create_erasure_profile
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from charmhelpers.core.hookenv import action_get, log, action_fail
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def make_erasure_profile():
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name = action_get("name")
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plugin = action_get("plugin")
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failure_domain = action_get("failure-domain")
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# jerasure requires k+m
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# isa requires k+m
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# local requires k+m+l
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# shec requires k+m+c
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if plugin == "jerasure":
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k = action_get("data-chunks")
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m = action_get("coding-chunks")
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try:
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create_erasure_profile(service='admin',
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erasure_plugin_name=plugin,
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profile_name=name,
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data_chunks=k,
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coding_chunks=m,
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failure_domain=failure_domain)
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except CalledProcessError as e:
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log(e)
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action_fail("Create erasure profile failed with "
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"message: {}".format(str(e)))
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elif plugin == "isa":
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k = action_get("data-chunks")
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m = action_get("coding-chunks")
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try:
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create_erasure_profile(service='admin',
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erasure_plugin_name=plugin,
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profile_name=name,
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data_chunks=k,
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coding_chunks=m,
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failure_domain=failure_domain)
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except CalledProcessError as e:
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log(e)
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action_fail("Create erasure profile failed with "
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"message: {}".format(str(e)))
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elif plugin == "local":
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k = action_get("data-chunks")
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m = action_get("coding-chunks")
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l = action_get("locality-chunks")
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try:
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create_erasure_profile(service='admin',
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erasure_plugin_name=plugin,
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profile_name=name,
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data_chunks=k,
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coding_chunks=m,
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locality=l,
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failure_domain=failure_domain)
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except CalledProcessError as e:
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log(e)
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action_fail("Create erasure profile failed with "
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"message: {}".format(str(e)))
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elif plugin == "shec":
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k = action_get("data-chunks")
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m = action_get("coding-chunks")
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c = action_get("durability-estimator")
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try:
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create_erasure_profile(service='admin',
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erasure_plugin_name=plugin,
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profile_name=name,
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data_chunks=k,
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coding_chunks=m,
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durability_estimator=c,
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failure_domain=failure_domain)
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except CalledProcessError as e:
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log(e)
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action_fail("Create erasure profile failed with "
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"message: {}".format(str(e)))
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else:
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# Unknown erasure plugin
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action_fail("Unknown erasure-plugin type of {}. "
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"Only jerasure, isa, local or shec is "
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"allowed".format(plugin))
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if __name__ == '__main__':
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make_erasure_profile()
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