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Ryan El Kochta
b9c4d4be11
The first stage of the gVisor application compatibility test suite. This commit adds: - A compatibility testing helper library, containing e.g. logic to write service config files, wait for a service to be up, and make HTTP requests - Initial tests for WordPress 7.0.0, Gitea 1.26.2, and Nextcloud 34.0.0. A large library of test stacks is ready, however I am splitting them into smaller commits in the interest of review size. Tests first consist of a stack of images under images/compatibility/. This is done both for consistency with the existing image tests and so that the Dockerfiles can be modified, for example to install client or benchmarking tools to aid with testing. The tests themselves are written in Go and placed in test/compatibility/. These tests are kept separate from the existing image tests for a few reasons. First, the image tests mainly exist to find gVisor regressions; however, a core goal of the compatibility tests is to detect when updates to *third-party applications* cause them to stop working in gVisor. Second, it's probably not a good idea to include the compatibility tests in our CI/CD pipeline (at least, not yet) due to concerns about flaky tests and/or increased iteration time. (Maybe they should be run before a release is cut, though?) Once the compatibility tests are merged, I'll submit the website portion which will list the applications we have tested to be compatible. Each entry will contain a link to its corresponding compatibility test in our GitHub repository. test/compatibility/README.md is included with instructions on running the tests.