[skip-ci] Packit/TMT: Run system tests

This commit enables TMT jobs triggered by Packit to run system tests.

2 set of jobs `dev` and `release` have been added. `dev` jobs are meant
to run on main PRs with additional package updates fetched from
podman-next copr while `release` jobs are meant to run on release-
branch PRs using only the dependencies present in the official distro.

Packit checks PR labels (see previous commit) to filter out
the jobs that get run.

Signed-off-by: Lokesh Mandvekar <lsm5@fedoraproject.org>

.fmf/version

@@ -0,0 +1 @@
+1

.packit.yaml

@@ -9,6 +9,27 @@
 downstream_package_name: skopeo
 upstream_tag_template: v{version}
 
+# These files get synced from upstream to downstream (Fedora / CentOS Stream) on every
+# propose-downstream job. This is done so tests maintained upstream can be run
+# downstream in Zuul CI and Bodhi.
+# Ref: https://packit.dev/docs/configuration#files_to_sync
+files_to_sync:
+  - src: rpm/gating.yaml
+    dest: gating.yaml
+    delete: true
+  - src: plans/
+    dest: plans/
+    delete: true
+    mkpath: true
+  - src: systemtest/tmt/
+    dest: test/tmt/
+    delete: true
+    mkpath: true
+  - src: .fmf/
+    dest: .fmf/
+    delete: true
+  - .packit.yaml
+
 packages:
   skopeo-fedora:
     pkg_tool: fedpkg
@@ -29,7 +50,7 @@ jobs:
     notifications: &copr_build_failure_notification
       failure_comment:
         message: "Ephemeral COPR build failed. @containers/packit-build please check."
-    targets:
+    targets: &fedora_copr_targets
       - fedora-all-x86_64
       - fedora-all-aarch64
     enable_net: true
@@ -51,7 +72,7 @@ jobs:
     trigger: pull_request
     packages: [skopeo-centos]
     notifications: *copr_build_failure_notification
-    targets:
+    targets: &centos_copr_targets
       - centos-stream-9-x86_64
       - centos-stream-9-aarch64
       - centos-stream-10-x86_64
@@ -70,6 +91,59 @@ jobs:
     project: podman-next
     enable_net: true
 
+  # Tests on Fedora for main branch
+  - job: tests
+    trigger: pull_request
+    packages: [skopeo-fedora]
+    notifications: &test_failure_notification
+      failure_comment:
+        message: "Tests failed. @containers/packit-build please check."
+    targets: *fedora_copr_targets
+    require: &dev_branch
+      label:
+        absent:
+          - release
+    tf_extra_params:
+      environments:
+        - artifacts:
+          - type: repository-file
+            id: https://copr.fedorainfracloud.org/coprs/rhcontainerbot/podman-next/repo/fedora-$releasever/rhcontainerbot-podman-next-fedora-$releasever.repo
+    identifier: "dev-fedora"
+
+  # Tests on Fedora for release branches
+  - job: tests
+    trigger: pull_request
+    packages: [skopeo-fedora]
+    targets: *fedora_copr_targets
+    require: &release_branch
+      label:
+        present:
+          - release
+    identifier: "release-fedora"
+
+  # Tests on CentOS Stream for main branch
+  - job: tests
+    trigger: pull_request
+    packages: [skopeo-centos]
+    notifications: *test_failure_notification
+    targets: *centos_copr_targets
+    require: *dev_branch
+    tf_extra_params:
+      environments:
+        - artifacts:
+          - type: repository-file
+            id: https://copr.fedorainfracloud.org/coprs/rhcontainerbot/podman-next/repo/centos-stream-$releasever/rhcontainerbot-podman-next-centos-stream-$releasever.repo
+    identifier: "dev-centos"
+
+  # Tests on CentOS Stream for release branches
+  - job: tests
+    trigger: pull_request
+    packages: [skopeo-centos]
+    notifications: *test_failure_notification
+    targets: *centos_copr_targets
+    require: *release_branch
+    identifier: "release-centos"
+
   # Sync to Fedora
   - job: propose_downstream
     trigger: release

plans/main.fmf

@@ -0,0 +1,20 @@
+discover:
+    how: fmf
+execute:
+    how: tmt
+prepare:
+    - when: distro == centos-stream or distro == rhel
+      how: shell
+      script: |
+        dnf -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-$(rpm --eval '%{?rhel}').noarch.rpm
+        dnf -y config-manager --set-enabled epel
+      order: 10
+    - when: initiator == packit
+      how: shell
+      script: |
+        COPR_REPO_FILE="/etc/yum.repos.d/*podman-next*.repo"
+        if compgen -G $COPR_REPO_FILE > /dev/null; then
+            sed -i -n '/^priority=/!p;$apriority=1' $COPR_REPO_FILE
+        fi
+        dnf -y upgrade --allowerasing
+      order: 20

rpm/gating.yaml

@@ -0,0 +1,16 @@
+--- !Policy
+product_versions:
+  - fedora-*
+decision_context:
+  - bodhi_update_push_stable
+  - bodhi_update_push_testing
+subject_type: koji_build
+rules:
+  - !PassingTestCaseRule {test_case_name: fedora-ci.koji-build.tier0.functional}
+
+--- !Policy
+product_versions:
+  - rhel-*
+decision_context: osci_compose_gate
+rules:
+  - !PassingTestCaseRule {test_case_name: osci.brew-build.tier0.functional}

rpm/skopeo.spec

@@ -22,6 +22,7 @@
 # Copr builds set a separate epoch for all environments
 %if %{defined fedora}
 %define conditional_epoch 1
+%define fakeroot 1
 %else
 %define conditional_epoch 2
 %endif
@@ -72,12 +73,14 @@ Requires: containers-common >= 4:1-21
 Command line utility to inspect images and repositories directly on Docker
 registries without the need to pull them
 
+# NOTE: The tests subpackage is only intended for testing and will not be supported
+# for end-users and/or customers.
 %package tests
 Summary: Tests for %{name}
 
 Requires: %{name} = %{epoch}:%{version}-%{release}
-%if %{defined fedora}
 Requires: bats
+%if %{defined fakeroot}
 Requires: fakeroot
 %endif
 Requires: gnupg

systemtest/tmt/main.fmf

@@ -0,0 +1,10 @@
+require:
+    - bats
+    - skopeo-tests
+
+environment:
+    SKOPEO_BINARY: /usr/bin/skopeo
+
+summary: System test
+test: bash ./test.sh
+duration: 60m

systemtest/tmt/test.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+set -exo pipefail
+
+uname -r
+
+rpm -q \
+    bats \
+    containers-common \
+    skopeo \
+    skopeo-tests \
+
+bats /usr/share/skopeo/test/system