diff options
Diffstat (limited to 'oslo_middleware/healthcheck')
| -rw-r--r-- | oslo_middleware/healthcheck/__init__.py | 66 | ||||
| -rw-r--r-- | oslo_middleware/healthcheck/opts.py | 1 |
2 files changed, 50 insertions, 17 deletions
diff --git a/oslo_middleware/healthcheck/__init__.py b/oslo_middleware/healthcheck/__init__.py index 26b09fb..c85e1ac 100644 --- a/oslo_middleware/healthcheck/__init__.py +++ b/oslo_middleware/healthcheck/__init__.py @@ -21,6 +21,7 @@ import socket import sys import traceback +from debtcollector import removals import jinja2 from oslo_utils import reflection from oslo_utils import strutils @@ -51,11 +52,10 @@ def _expand_template(contents, params): class Healthcheck(base.ConfigurableMiddleware): - """Healthcheck middleware used for monitoring. + """Healthcheck application used for monitoring. - If the path is ``/healthcheck``, it will respond 200 with "OK" as - the body. Or a 503 with the reason as the body if one of the backends - reports an application issue. + It will respond 200 with "OK" as the body. Or a 503 with the reason as the + body if one of the backends reports an application issue. This is useful for the following reasons: @@ -239,9 +239,8 @@ class Healthcheck(base.ConfigurableMiddleware): .. code-block:: ini - [filter:healthcheck] - use = egg:oslo.middleware#healthcheck - path = /healthcheck + [app:healthcheck] + use = egg:oslo.middleware:healthcheck backends = disable_by_file disable_by_file_path = /var/run/nova/healthcheck_disable @@ -253,21 +252,29 @@ class Healthcheck(base.ConfigurableMiddleware): .. code-block:: ini - [pipeline:public_api] - pipeline = healthcheck_public sizelimit [...] public_service + [composite:public_api] + use = egg:Paste#urlmap + / = public_api_pipeline + /healthcheck = healthcheck_public + + [composite:admin_api] + use = egg:Paste#urlmap + / = admin_api_pipeline + /healthcheck = healthcheck_admin - [pipeline:admin_api] - pipeline = healthcheck_admin sizelimit [...] admin_service + [pipeline:public_api_pipeline] + pipeline = sizelimit [...] public_service - [filter:healthcheck_public] - use = egg:oslo.middleware#healthcheck - path = /healthcheck_public + [pipeline:admin_api_pipeline] + pipeline = sizelimit [...] admin_service + + [app:healthcheck_public] + use = egg:oslo.middleware:healthcheck backends = disable_by_file disable_by_file_path = /var/run/nova/healthcheck_public_disable [filter:healthcheck_admin] - use = egg:oslo.middleware#healthcheck - path = /healthcheck_admin + use = egg:oslo.middleware:healthcheck backends = disable_by_file disable_by_file_path = /var/run/nova/healthcheck_admin_disable """ @@ -393,10 +400,35 @@ Reason # always return text/plain (because sending an error from this # middleware actually can cause issues). self._default_accept = 'text/plain' + self._ignore_path = False def _conf_get(self, key, group='healthcheck'): return super(Healthcheck, self)._conf_get(key, group=group) + @removals.remove( + message="The healthcheck middleware must now be configured as " + "an application, not as a filter") + @classmethod + def factory(cls, global_conf, **local_conf): + return super(Healthcheck, cls).factory(global_conf, **local_conf) + + @classmethod + def app_factory(cls, global_conf, **local_conf): + """Factory method for paste.deploy. + + :param global_conf: dict of options for all middlewares + (usually the [DEFAULT] section of the paste deploy + configuration file) + :param local_conf: options dedicated to this middleware + (usually the option defined in the middleware + section of the paste deploy configuration file) + """ + conf = global_conf.copy() if global_conf else {} + conf.update(local_conf) + o = cls(application=None, conf=conf) + o._ignore_path = True + return o + @staticmethod def _get_threadstacks(): threadstacks = [] @@ -510,7 +542,7 @@ Reason @webob.dec.wsgify def process_request(self, req): - if req.path != self._path: + if not self._ignore_path and req.path != self._path: return None results = [ext.obj.healthcheck(req.server_port) for ext in self._backends] diff --git a/oslo_middleware/healthcheck/opts.py b/oslo_middleware/healthcheck/opts.py index d283f4d..ff39e98 100644 --- a/oslo_middleware/healthcheck/opts.py +++ b/oslo_middleware/healthcheck/opts.py @@ -16,6 +16,7 @@ from oslo_config import cfg HEALTHCHECK_OPTS = [ cfg.StrOpt('path', default='/healthcheck', + deprecated_for_removal=True, help='The path to respond to healtcheck requests on.'), cfg.BoolOpt('detailed', default=False, |