Run tests on Cirrus CI, drop Travis (#416)

Travis stopped handing out free credits since their plan changes last
November, so tests have not run since then.

Cirrus CI offers an API similar to Travis, and also explicitly supports
/dev/kvm access.

Eventually we want to use the cockpit/tasks container directly. But we
can't fix the /dev/kvm permissions inside that as `sudo` does not work
in that. Once we fix that, the setup will become much cheaper and
simpler.

.cirrus.yml

@@ -0,0 +1,23 @@
+container:
+  # We should use quay.io/cockpit/tasks here and avoid package installation, but we can't currently run sudo in that container to fix /dev/kvm permissions
+  image: docker.io/fedora
+  kvm: true
+  # increase this if you have many tests that benefit from parallelism
+  cpu: 1
+
+test_task:
+  env:
+    matrix:
+      - TEST_OS: fedora-33
+      - TEST_OS: centos-8-stream
+
+  setup_script:
+    - chmod 666 /dev/kvm
+    - dnf install -y chromium-headless curl git libappstream-glib libvirt-daemon-kvm libvirt-client libvirt-python3 make npm rpm-build rpmdevtools sassc tar
+    - useradd build
+    - chown -R build:build .
+
+  # test PO template generation
+  pot_build_script: su -c 'make po/starter-kit.pot' build
+
+  check_script: su -c "TEST_JOBS=$(nproc) TEST_OS=$TEST_OS make check" build

.travis.yml

@@ -1,31 +0,0 @@
-dist: focal
-sudo: true
-language: minimal
-addons:
-  apt:
-    packages:
-      - appstream-util
-      - chromium-browser
-      - curl
-      - git
-      - libvirt-daemon-system
-      - npm
-      - python3-libvirt
-      - qemu-kvm
-      - qemu-utils
-      - rpm
-      - sassc
-env:
-  - TEST_OS=fedora-33
-  - TEST_OS=centos-8-stream
-script:
-  # HACK: /dev/kvm is root:kvm 0660 by default
-  - sudo chmod 666 /dev/kvm
-
-  # test PO template generation
-  - make po/starter-kit.pot
-
-  # FIXME: build rpm inside VM; no installed rpms on Travis Ubuntu environment
-  - sed -i '/^BuildRequires:/d' *.spec.in
-
-  - TEST_JOBS=$(nproc) make check

README.md

@@ -60,7 +60,7 @@ Violations of some rules can be fixed automatically by:
 
 Rules configuration can be found in the `.eslintrc.json` file.
 
-# Automated Testing
+# Running tests locally
 
 Run `make check` to build an RPM, install it into a standard Cockpit test VM
 (centos-7 by default), and run the test/check-application integration test on
@@ -80,12 +80,18 @@ You can also run the test against a different Cockpit image, for example:
 
     TEST_OS=fedora-32 make check
 
-These tests can be run in [Travis CI](https://travis-ci.com/). The included
-[travis.yml](./.travis.yml) runs the integration tests for two operating
-systems (Fedora and CentOS 8). Note that if/once your project grows bigger, or
-gets frequent changes, you likely need to move to a paid account, or different
-infrastructure with more capacity. Talk to the
-[Cockpit developers](https://cockpit-project.org/) if you are interested in that.
+# Running tests in CI
+
+These tests can be run in [Cirrus CI](https://cirrus-ci.org/), on their free
+[Linux Containers](https://cirrus-ci.org/guide/linux/) environment which
+explicitly supports `/dev/kvm`. Please see [Quick
+Start](https://cirrus-ci.org/guide/quick-start/) how to set up Cirrus CI for
+your project after forking from starter-kit.
+
+The included [.cirrus.yml](./.cirrus.yml) runs the integration tests for two
+operating systems (Fedora and CentOS 8). Note that if/once your project grows
+bigger, or gets frequent changes, you may need to move to a paid account, or
+different infrastructure with more capacity.
 
 # Customizing