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Lars Karlitski 250f49f78d Use Cockpit's test images and infrastructure 
Allows to run the tests on multiple operating systems and on the
infrastructure that the Cockpit team maintains.

`make vm` downloads one of Cockpit's test images (override which one
with TEST_OS) and installs rpms build from the local checkout of lorax.
The resulting image is placed in `test/images/$TEST_OS`.

TEST_OS can be set to any of Cockpit's supported images (default:
fedora-30).

Run `make check-vm` to run the CLI checks in the VM. The bulk of the
work is done in `test/check-cli`, which uses Cockpit's `bots` library to
start the VM and run the script in it.

Also included is a `test/run` script, which is the entrypoint for
Cockpit's test infrastructure.
 		2019-05-20 20:24:01 +02:00
..
README.md Use Cockpit's test images and infrastructure 2019-05-20 20:24:01 +02:00
check-cli Use Cockpit's test images and infrastructure 2019-05-20 20:24:01 +02:00
check-cloud Use Cockpit's test images and infrastructure 2019-05-20 20:24:01 +02:00
composertest.py Use Cockpit's test images and infrastructure 2019-05-20 20:24:01 +02:00
run Use Cockpit's test images and infrastructure 2019-05-20 20:24:01 +02:00
vm.install Use Cockpit's test images and infrastructure 2019-05-20 20:24:01 +02:00

README.md

Integration Tests

lorax uses Cockpit's integration test framework and infrastructure. To do this, we're checking out Cockpit's bots/ subdirectory. It contains links to test images and tools to manipulate and start virtual machines from them.

Each test is run on a new instance of a virtual machine.

Dependencies

These dependencies are needed on Fedora to run tests locally:

$ sudo dnf install curl expect \
    libvirt libvirt-client libvirt-daemon libvirt-python \
    python python-libguestfs python-lxml libguestfs-xfs \
    python3 libvirt-python3 \
    libguestfs-tools qemu qemu-kvm rpm-build rsync xz

Building a test VM

To build a test VM, run

$ make vm

This downloads a base image from Cockpit's infrastructure. You can control which image is downloaded with the TEST_OS environment variable. Cockpit's documentation lists accepted values. It then creates a new image based on that (a qemu snapshot) in tests/images, which contain the current tests/ directory and have newly built rpms from the current checkout installed.

To delete the generated image, run

$ make vm-reset

Base images are stored in bots/images. Set TEST_DATA to override this directory.

Running tests

After building a test image, run

$ ./test/check-cli [TESTNAME]

or any of the other check-* scripts. Right after the VM is started, these scripts print an ssh line to connect to it.

Run make vm after changing tests or lorax source to recreate the test machine. It is usually not necessary to reset the VM.

Updating images

The bots/ directory is checked out from Cockpit when make vm is first run. To get the latest images you need to update it manually (in order not to poll GitHub every time):

$ make -B bots