remove legacy db stuff
let's not bother promoting this. if people want it, they can dig through history. Change-Id: Ifcb351a4d165426eb9d97eab6273ae83eebd6549
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gord chung
gordon chung
parent
14dc1d49a6
commit
2e00e0e038
@ -19,6 +19,12 @@
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Choosing a database backend
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============================
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Ceilometer is a data collection service. It normalizes data across OpenStack
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and can be configured to persist the normalized data to multiple services.
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Gnocchi_ is designed to store time-series **measurement data**. Panko_ is
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intended to capture **event data**. Lastly, Aodh_ provides **alarming**
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functionality.
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Moving from Ceilometer to Gnocchi
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=================================
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@ -38,60 +44,7 @@ backend::
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meter_dispatchers=gnocchi
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event_dispatchers=gnocchi
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Disable Keystone Authentification for Gnocchi
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=============================================
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In somes cases, it is possible to disable keystone authentication for
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Gnocchi to remove the overhead of token creation/verification when request
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authentication doesn't matter. This will increase the performance of Gnocchi.
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Example of configuration::
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[dispatcher_gnocchi]
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auth_section=service_credentials_gnocchi
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[service_credentials_gnocchi]
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auth_type=gnocchi-noauth
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roles = admin
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user_id = <ceilometer_user_id>
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project_id = <ceilometer_project_id>
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endpoint = <gnocchi_endpoint>
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.. _Gnocchi: http://gnocchi.xyz
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.. _here: https://docs.google.com/presentation/d/1PefouoeMVd27p2OGDfNQpx18mY-Wk5l0P1Ke2Vt5LwA/edit?usp=sharing
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Legacy Storage
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==============
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.. note::
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Ceilometer's native database capabilities is intended for post processing
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and auditing purposes where responsiveness is not a requirement. It
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captures the full fidelity of each datapoint and thus is not designed
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for low latency use cases. For more responsive use cases, it's recommended
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to store data in an alternative source such as Gnocchi_. Please see
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`Moving from Ceilometer to Gnocchi`_ to find more information.
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.. note::
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As of Liberty, alarming support, and subsequently its database, is handled
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by Aodh_.
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.. note::
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As of Newton, event storage support is handled by Panko_.
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.. _Aodh: http://docs.openstack.org/developer/aodh/
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.. _Panko: http://docs.openstack.org/developer/panko
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The following is a table indicating the status of each database drivers:
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================== ============================= ===========================================
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Driver API querying API statistics
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================== ============================= ===========================================
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MongoDB Yes Yes
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MySQL Yes Yes
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PostgreSQL Yes Yes
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HBase Yes Yes, except groupby & selectable aggregates
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================== ============================= ===========================================
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.. _here: https://docs.google.com/presentation/d/1PefouoeMVd27p2OGDfNQpx18mY-Wk5l0P1Ke2Vt5LwA/edit?usp=sharing
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@ -44,25 +44,48 @@ Gnocchi
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Prior to Gnocchi 2.1, Ceilometer resource types were included, therefore
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--create-legacy-resource-types flag is not needed.
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3. Edit `/etc/ceilometer/ceilometer.conf` for the collector service::
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3. Edit `/etc/ceilometer/ceilometer.conf` for the collector service:
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[DEFAULT]
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meter_dispatchers = gnocchi
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event_dispatchers = gnocchi
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* With Keystone authentication enabled::
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[dispatcher_gnocchi]
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filter_service_activity = False # Enable if using swift backend
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filter_project = <project name associated with gnocchi user> # if using swift backend
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[DEFAULT]
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meter_dispatchers = gnocchi
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event_dispatchers = gnocchi
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[service_credentials]
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auth_url = <auth_url>:5000
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region_name = RegionOne
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password = password
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username = ceilometer
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project_name = service
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project_domain_id = default
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user_domain_id = default
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auth_type = password
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[dispatcher_gnocchi]
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filter_service_activity = False # Enable if using swift backend
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filter_project = <project name associated with gnocchi user> # if using swift backend
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[service_credentials]
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auth_url = <auth_url>:5000
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region_name = RegionOne
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password = password
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username = ceilometer
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project_name = service
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project_domain_id = default
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user_domain_id = default
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auth_type = password
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* In somes cases, it is possible to disable keystone authentication for
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Gnocchi to remove the overhead of token creation/verification when request
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authentication doesn't matter. This will increase the performance of
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Gnocchi::
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[DEFAULT]
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meter_dispatchers = gnocchi
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event_dispatchers = gnocchi
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[dispatcher_gnocchi]
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filter_service_activity = False # Enable if using swift backend
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filter_project = <project name associated with gnocchi user> # if using swift backend
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auth_section=service_credentials_gnocchi
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[service_credentials_gnocchi]
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auth_type=gnocchi-noauth
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roles = admin
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user_id = <ceilometer_user_id>
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project_id = <ceilometer_project_id>
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endpoint = <gnocchi_endpoint>
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4. Copy gnocchi_resources.yaml to config directory (e.g./etc/ceilometer)
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