charm-ceph/actions/create-erasure-profile
2016-02-19 08:11:18 -08:00

90 lines
3.4 KiB
Python
Executable File

#!/usr/bin/python
from subprocess import CalledProcessError
import sys
sys.path.append('hooks')
from charmhelpers.contrib.storage.linux.ceph import create_erasure_profile
from charmhelpers.core.hookenv import action_get, log, action_fail
def make_erasure_profile():
name = action_get("name")
plugin = action_get("plugin")
failure_domain = action_get("failure-domain")
# jerasure requires k+m
# isa requires k+m
# local requires k+m+l
# shec requires k+m+c
if plugin == "jerasure":
k = action_get("data-chunks")
m = action_get("coding-chunks")
try:
create_erasure_profile(service='admin',
erasure_plugin_name=plugin,
profile_name=name,
data_chunks=k,
coding_chunks=m,
failure_domain=failure_domain)
except CalledProcessError as e:
log(e)
action_fail("Create erasure profile failed with "
"message: {}".format(e.message))
elif plugin == "isa":
k = action_get("data-chunks")
m = action_get("coding-chunks")
try:
create_erasure_profile(service='admin',
erasure_plugin_name=plugin,
profile_name=name,
data_chunks=k,
coding_chunks=m,
failure_domain=failure_domain)
except CalledProcessError as e:
log(e)
action_fail("Create erasure profile failed with "
"message: {}".format(e.message))
elif plugin == "local":
k = action_get("data-chunks")
m = action_get("coding-chunks")
l = action_get("locality-chunks")
try:
create_erasure_profile(service='admin',
erasure_plugin_name=plugin,
profile_name=name,
data_chunks=k,
coding_chunks=m,
locality=l,
failure_domain=failure_domain)
except CalledProcessError as e:
log(e)
action_fail("Create erasure profile failed with "
"message: {}".format(e.message))
elif plugin == "shec":
k = action_get("data-chunks")
m = action_get("coding-chunks")
c = action_get("durability-estimator")
try:
create_erasure_profile(service='admin',
erasure_plugin_name=plugin,
profile_name=name,
data_chunks=k,
coding_chunks=m,
durability_estimator=c,
failure_domain=failure_domain)
except CalledProcessError as e:
log(e)
action_fail("Create erasure profile failed with "
"message: {}".format(e.message))
else:
# Unknown erasure plugin
action_fail("Unknown erasure-plugin type of {}. "
"Only jerasure, isa, local or shec is "
"allowed".format(plugin))
if __name__ == '__main__':
make_erasure_profile()