c74231e744
This patch adds support for the currently available Event API, including events, event types, and traits. Add an optional data type to the query, ex: ceilometer list-events -q 'hostname=string::localhost" bp extend-client-operations Change-Id: Icea9bd67f8ee4ff2bf9da9ff6894218689580eb3
116 lines
3.8 KiB
Python
116 lines
3.8 KiB
Python
#
|
|
# 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.
|
|
|
|
from ceilometerclient.openstack.common.py3kcompat import urlutils
|
|
import re
|
|
|
|
|
|
def build_url(path, q, params=None):
|
|
'''This converts from a list of dicts and a list of params to
|
|
what the rest api needs, so from:
|
|
"[{field=this,op=le,value=34},{field=that,op=eq,value=foo}],
|
|
['foo=bar','sna=fu']"
|
|
to:
|
|
"?q.field=this&q.op=le&q.value=34&
|
|
q.field=that&q.op=eq&q.value=foo&
|
|
foo=bar&sna=fu"
|
|
'''
|
|
if q:
|
|
query_params = {'q.field': [],
|
|
'q.value': [],
|
|
'q.op': [],
|
|
'q.type': []}
|
|
|
|
for query in q:
|
|
for name in ['field', 'op', 'value', 'type']:
|
|
query_params['q.%s' % name].append(query.get(name, ''))
|
|
|
|
# Transform the dict to a sequence of two-element tuples in fixed
|
|
# order, then the encoded string will be consistent in Python 2&3.
|
|
new_qparams = sorted(query_params.items(), key=lambda x: x[0])
|
|
path += "?" + urlutils.urlencode(new_qparams, doseq=True)
|
|
|
|
if params:
|
|
for p in params:
|
|
path += '&%s' % p
|
|
elif params:
|
|
path += '?%s' % params[0]
|
|
for p in params[1:]:
|
|
path += '&%s' % p
|
|
return path
|
|
|
|
|
|
def cli_to_array(cli_query):
|
|
"""This converts from the cli list of queries to what is required
|
|
by the python api.
|
|
so from:
|
|
"this<=34;that=foo"
|
|
to
|
|
"[{field=this,op=le,value=34},{field=that,op=eq,value=foo}]"
|
|
|
|
"""
|
|
|
|
if cli_query is None:
|
|
return None
|
|
|
|
op_lookup = {'!=': 'ne',
|
|
'>=': 'ge',
|
|
'<=': 'le',
|
|
'>': 'gt',
|
|
'<': 'lt',
|
|
'=': 'eq'}
|
|
|
|
def split_by_op(string):
|
|
# two character split (<=,!=)
|
|
frags = re.findall(r'([[a-zA-Z0-9_.]+)([><!]=)([^ -,\t\n\r\f\v]+)',
|
|
string)
|
|
if len(frags) == 0:
|
|
#single char split (<,=)
|
|
frags = re.findall(r'([a-zA-Z0-9_.]+)([><=])([^ -,\t\n\r\f\v]+)',
|
|
string)
|
|
return frags
|
|
|
|
def split_by_data_type(string):
|
|
frags = re.findall(r'^(string|integer|float|datetime|boolean)(::)'
|
|
r'([^ -,\t\n\r\f\v]+)$', string)
|
|
|
|
# frags[1] is the separator. Return a list without it if the type
|
|
# identifier was found.
|
|
return [frags[0][0], frags[0][2]] if frags else None
|
|
|
|
opts = []
|
|
queries = cli_query.split(';')
|
|
for q in queries:
|
|
frag = split_by_op(q)
|
|
if len(frag) > 1:
|
|
raise ValueError('incorrect seperator %s in query "%s"' %
|
|
('(should be ";")', q))
|
|
if len(frag) == 0:
|
|
raise ValueError('invalid query %s' % q)
|
|
query = frag[0]
|
|
opt = {}
|
|
opt['field'] = query[0]
|
|
opt['op'] = op_lookup[query[1]]
|
|
|
|
# Allow the data type of the value to be specified via <type>::<value>,
|
|
# where type can be one of integer, string, float, datetime, boolean
|
|
value_frags = split_by_data_type(query[2])
|
|
if not value_frags:
|
|
opt['value'] = query[2]
|
|
opt['type'] = ''
|
|
else:
|
|
opt['type'] = value_frags[0]
|
|
opt['value'] = value_frags[1]
|
|
opts.append(opt)
|
|
return opts
|