# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
#
# 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.

"""An example using monascaclient via the Python API"""

from monascaclient import client
import monascaclient.exc as exc
import time

# In order to use the python api directly, you must first obtain an
# auth token and identify which endpoint you wish to speak to.
endpoint = 'http://192.168.10.4:8070/v2.0'

# The api version of monasca-api
api_version = '2_0'

# Pass in the keystone authentication kwargs to construct a monasca client.
# The monasca_client will try to authenticate with keystone one time
# when it sees a 401 unauthorized resp, to take care of a stale token.
# In this example no token is input, so it will get a 401 when executing the
# first metrics.create request, and will authenticate and try again.
auth_kwargs = {'username': 'mini-mon',
               'password': 'password',
               'project_name': 'mini-mon',
               'auth_url': 'http://192.168.10.5:35357/v3/'}
monasca_client = client.Client(api_version, endpoint, **auth_kwargs)

# you can reference the monascaclient.v2_0.shell.py
# do_commands for command field initialization.

# post a metric
dimensions = {'instance_id': '12345', 'service': 'nova'}
fields = {}
fields['name'] = 'metric1'
fields['dimensions'] = dimensions
# time in milliseconds
fields['timestamp'] = time.time() * 1000
fields['value'] = 222.333
try:
    resp = monasca_client.metrics.create(**fields)
except exc.HTTPException as he:
    print('HTTPException code=%s message=%s' % (he.code, he.message))
else:
    print(resp)
    print('Successfully created metric')

# post a metric with a unicode service name
dimensions = {'instance_id': '12345', 'service': u'\u76db\u5927'}
fields = {}
fields['name'] = 'metric1'
fields['dimensions'] = dimensions
fields['timestamp'] = time.time() * 1000
fields['value'] = 222.333
try:
    resp = monasca_client.metrics.create(**fields)
except exc.HTTPException as he:
    print('HTTPException code=%s message=%s' % (he.code, he.message))
else:
    print(resp)
    print('Successfully created metric')

print('Giving the DB time to update...')
time.sleep(5)

# metric-list
name = 'metric1'
dimensions = None
fields = {}
if name:
    fields['name'] = name
if dimensions:
    fields['dimensions'] = dimensions
try:
    body = monasca_client.metrics.list(**fields)
except exc.HTTPException as he:
    print('HTTPException code=%s message=%s' % (he.code, he.message))
else:
    print(body)