monasca-log-api/api-ref/source/healthcheck.inc

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.. -*- rst -*-
..
Copyright 2017 Fujitsu LIMITED
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.
===========
Healthcheck
===========
The *Monasca Log API* comes with a built-in health check mechanism.
It is available in two flavors (simple and complex).
Simple check
============
The simple check only returns response only if API is up
and running. It does not return any data because it is accessible only
for ```HEAD``` requests.
.. rest_method:: HEAD /healthcheck
.. rest_status_code:: success http_codes.yaml
- 204: la_up
Complex check
=============
# TODO(trebskit) add note to api-guide about peripheral checks
The complex check not only returns a response with success code if API
is up and running but it also verifies if peripheral components are
in expected condition.
.. rest_method:: GET /healthcheck
.. rest_status_code:: success http_codes.yaml
- 200: la_up
.. rest_status_code:: error http_codes.yaml
- 503: no_health