charm-ceph-mon/actions/create_pool.py
Aqsa Malik da798bdd95 Add profile-name parameter in create-pool action
This change adds a profile name parameter in the create-pool action that
allows a replicated pool to be created with a CRUSH profile other than
the default replicated_rule.

Closes-Bug: #1905573

Change-Id: Ib21ded8f4a977b4a2d57c6b6b4bb82721b12c4ea
2022-02-11 16:35:30 +01:00

66 lines
2.8 KiB
Python
Executable File

#!/usr/bin/env python3
#
# Copyright 2016 Canonical Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys
sys.path.append('hooks')
from subprocess import CalledProcessError
from charmhelpers.core.hookenv import action_get, log, action_fail
from charmhelpers.contrib.storage.linux.ceph import ErasurePool, ReplicatedPool
def create_pool():
pool_name = action_get("name")
pool_type = action_get("pool-type")
percent_data = action_get("percent-data") or 10
app_name = action_get("app-name") or 'unknown'
try:
if pool_type == "replicated":
replicas = action_get("replicas")
crush_profile_name = action_get("profile-name")
replicated_pool = ReplicatedPool(name=pool_name,
service='admin',
replicas=replicas,
app_name=app_name,
profile_name=crush_profile_name,
percent_data=float(percent_data),
)
replicated_pool.create()
elif pool_type in ("erasure", "erasure-coded"):
crush_profile_name = action_get("erasure-profile-name")
allow_ec_overwrites = action_get("allow-ec-overwrites")
erasure_pool = ErasurePool(name=pool_name,
erasure_code_profile=crush_profile_name,
service='admin',
app_name=app_name,
percent_data=float(percent_data),
allow_ec_overwrites=allow_ec_overwrites,
)
erasure_pool.create()
else:
log("Unknown pool type of {}. Only erasure or replicated is "
"allowed".format(pool_type))
action_fail("Unknown pool type of {}. Only erasure or replicated "
"is allowed".format(pool_type))
except CalledProcessError as e:
action_fail("Pool creation failed because of a failed process. "
"Ret Code: {} Message: {}".format(e.returncode, str(e)))
if __name__ == '__main__':
create_pool()