Verifier Plugin is a compatibility layer between Rally and the specific tool (such as Tempest) which runs tests. It implements features like installation, configuration, upgrades, running, etc in terms of the tool. It is a driver in other words. It is a pluggable entity, which means that you can easily add support for whatever tool you want (see HowTo add support for new tool page for more information). Even more, you can deliver such plugin separately from Rally itself, but we firmly recommend to push a change to Rally upstream (see Contribute to Rally guide), so Rally core-team will able to review it and help to improve.
Verifier is an instance of the Verifier Plugin. It is an installed tool. For example, "Tempest" is a set of functional tests, it is Verifier Plugin (we have a plugin for it). Installed Tempest 12.0 from https://github.com/openstack/tempest in a virtual environment is the verifier.
Verifier is not aligned to any particular deployment like it was in the past, you can use one verifier for testing unlimited number of deployments (each deployment will have separate configuration files for the tool).
Verifier & Verifier Plugin are the main entities which Verification component operates with. Another one is the verifications results.
All verifiers can be in next statuses:
You can execute command rally verify list-plugins locally to check available verifiers in your environment.
Cut down from Global Plugins Reference page:
Tempest verifier.
Description:
Quote from official documentation:
This is a set of integration tests to be run against a live OpenStack cluster. Tempest has batteries of tests for OpenStack API validation, Scenarios, and other specific tests useful in validating an OpenStack deployment.Rally supports features listed below:
- cloning Tempest: repository and version can be specified
- installation: system-wide with checking existence of required packages or in virtual environment
- configuration: options are discovered via OpenStack API, but you can override them if you need
- running: pre-creating all required resources(i.e images, tenants, etc), prepare arguments, launching Tempest, live-progress output
- results: all verifications are stored in db, you can built reports, compare verification at whatever you want time.
Appeared in Rally 0.8.0 (actually, it appeared long time ago with first revision of Verification Component, but 0.8.0 is mentioned since it is first release after Verification Component redesign)
Namespace: openstack
Module: rally.plugins.openstack.verification.tempest.manager
Nothing here yet.