84 lines
2.7 KiB
Python
Executable File
84 lines
2.7 KiB
Python
Executable File
#!/usr/bin/python
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# Copyright 2015 Mirantis, Inc.
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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 json
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import os
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import subprocess
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import sys
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class CephPerfCollectionSchema(object):
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def __init__(self, collection, schema):
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self.collection = collection
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self.schema = schema
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def __str__(self):
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def sanitize(s):
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return s.replace('::', '_').replace('-', '_').lower()
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return '\n'.join(['%s_%s value:GAUGE:U:U' % (sanitize(self.collection),
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sanitize(k))
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for k in sorted(self.schema.iterkeys())])
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class CephPerfSchema(object):
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def __init__(self, socket_path):
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self.socket_path = socket_path
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@staticmethod
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def run_command(cmd):
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try:
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proc = subprocess.Popen(
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cmd,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE
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)
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(stdout, stderr) = proc.communicate()
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stdout = stdout.rstrip('\n')
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except Exception as e:
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print("Cannot execute command '%s': %s" % (cmd, str(e)))
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raise e
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return json.loads(stdout)
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def ceph_version(self):
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cmd = ['/usr/bin/ceph', '--admin-daemon', self.socket_path, 'version']
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return self.run_command(cmd).get('version')
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def itertypes(self):
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cmd = ['/usr/bin/ceph', '--admin-daemon', self.socket_path, 'perf',
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'schema']
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for collection, schema in self.run_command(cmd).iteritems():
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yield CephPerfCollectionSchema(collection, schema)
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def main():
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script_name = os.path.basename(sys.argv[0])
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if len(sys.argv) < 2 or len(sys.argv) > 3:
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print("usage: %s <Ceph OSD socket> [namespace]" % script_name)
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else:
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schema = CephPerfSchema(sys.argv[1])
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collection = sys.argv[2] if len(sys.argv) == 3 else None
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print("# File generated automatically by the %s script" % script_name)
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print("# Ceph version: %s" % schema.ceph_version())
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for item in schema.itertypes():
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if collection is None or item.collection == collection:
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print(item)
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if __name__ == '__main__':
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main()
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