With recent versions of oslo.config the tests have started to fail because the multistring opt used for specifying input subunit file paths was getting an implicit required. However it's not a required field just positional. This commit fixes this issue by explicitly setting it to not be requried and setting a default value of None for it. I'm not sure when an implicit required was added in oslo.config, but this should fix it regardless of which oslo.config version is used. Fixing other gate failure also for pythin 2.7 & 3.8 compatibility. - with mysql 8.0 there is no implicit user creation with GRANT. we need to create user first. - hacking version used is too old which pull old pyflakes (< 2.1.0) not compatible with py3.8. Bumping hacking version to 2.0.0 which solve the pyflakes version conflict with new pip resolver but skipping all the new checks of 2.0.0. We can fix those later once gate is green. - for openstack-tox-py27 we need to cap stestr with <3.0.0 so that it can pull stestr py2 compatible version. - move dec requirements seprate from test-requirements otherwise it conflist with other deps. Story: 2008348 Task: 41250 Change-Id: I219755d98d9f8b5a284c0e858b60f852b948c8d4
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subunit2SQL is a tool for storing test results data in a SQL database. Like it's name implies it was originally designed around converting subunit streams to data in a SQL database and the packaged utilities assume a subunit stream as the input format. However, the data model used for the DB does not preclude using any test result format. Additionally the analysis tooling built on top of a database is data format agnostic. However if you choose to use a different result format as an input for the database additional tooling using the DB api would need to be created to parse a different test result output format. It's also worth pointing out that subunit has several language library bindings available. So as a user you could create a small filter to convert a different format to subunit. Creating a filter should be fairly easy and then you don't have to worry about writing a tool like subunit2sql to use a different format.
For multiple distributed test runs that are generating subunit output it is useful to store the results in a unified repository. This is the motivation for the testrepository project which does a good job for centralizing the results from multiple test runs.
However, imagine something like the OpenStack CI system where the same basic test suite is normally run several hundreds of times a day. To provide useful introspection on the data from those runs and to build trends over time the test results need to be stored in a format that allows for easy querying. Using a SQL database makes a lot of sense for doing this, which was the original motivation for the project.
At a high level subunit2SQL uses alembic migrations to setup a DB schema that can then be used by the subunit2sql tool to parse subunit streams and populate the DB. Then there are tools for interacting with the stored data in the subunit2sql-graph command as well as the sql2subunit command to create a subunit stream from data in the database. Additionally, subunit2sql provides a Python DB API that can be used to query information from the stored data to build other tooling.
- Source: http://git.openstack.org/cgit/openstack-infra/subunit2sql
- Bugs, Stories: https://storyboard.openstack.org/#!/project/747
The usage of subunit2sql is split into 2 stages. First you need to prepare a database with the proper schema; subunit2sql-db-manage should be used to do this. The utility requires db connection info which can be specified on the command or with a config file. Obviously the sql connector type, user, password, address, and database name should be specific to your environment. subunit2sql-db-manage will use alembic to setup the db schema. You can run the db migrations with the command:
subunit2sql-db-manage --database-connection mysql://subunit:firstname.lastname@example.org/subunit upgrade head
or with a config file:
subunit2sql-db-manage --config-file subunit2sql.conf upgrade head
This will bring the DB schema up to the latest version for subunit2sql.
Once you have a database setup with the proper database schema you can then use the subunit2sql command to populate the database with data from your test runs. subunit2sql takes in a subunit v2 either through stdin or by passing it file paths as positional arguments to the script. If only a subunit v1 stream is available, it can be converted to a subunit v2 stream using the subunit-1to2 utility.
There are several options for running subunit2sql, they can be listed with:
The only required option is --database-connection. The options can either be used on the CLI, or put in a config file. If a config file is used you need to specify the location on the CLI.
Most of the optional arguments deal with how subunit2sql interacts with the SQL DB. However, it is worth pointing out that the artifacts option and the run_meta option are used to pass additional metadata into the database for the run(s) being added. The artifacts option should be used to pass in a url or path that points to any logs or other external test artifacts related to the run being added. The run_meta option takes in a dictionary which will be added to the database as key value pairs associated with the run being added.
The sql2subunit utility is used for taking a run_id and creating a subunit v2 stream from the data in the DB about that run. To create a new subunit stream run:
along with any options that you would normally use to either specify a config file or the DB connection info. Running this command will print to stdout the subunit v2 stream for the run specified by $RUN_ID, unless the --out_path argument is specified to write it to a file instead.
For development and testing, you need a local database setup. Check
tools/test-setup.sh on how the databases need to be configured.
To see the release notes go here: http://docs.openstack.org/releasenotes/subunit2sql/