cirrus-ci: add tests for almalinux 8

The CI tests for CentOS 8 have been removed as it is EOL. This patch
adds AlmaLinux task in Cirrus-CI as a replacement for these tests to
build and test CRIU in RHEL 8–compatible environment.

Suggested-by: Adrian Reber <areber@redhat.com>
Signed-off-by: Radostin Stoyanov <rstoyanov@fedoraproject.org>

Author: rst0git

.cirrus.yml

@@ -48,6 +48,29 @@ task:
   build_script: |
     make -C scripts/ci local SKIP_CI_PREP=1 CC=gcc CD_TO_TOP=1 ZDTM_OPTS="-x zdtm/static/socket-raw"
 
+task:
+  name: AlmaLinux 8
+  environment:
+    HOME: "/root"
+    CIRRUS_WORKING_DIR: "/tmp/criu"
+
+  compute_engine_instance:
+    image_project: almalinux-cloud
+    image: family/almalinux-8
+    platform: linux
+    cpu: 4
+    memory: 8G
+
+  setup_script: |
+    yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm dnf-plugins-core
+    yum config-manager --set-enabled powertools
+    contrib/dependencies/yum-packages.sh
+    setenforce 0
+
+  build_script: |
+    make -j $(nproc) CC=gcc
+    make -C scripts/ci/ local CC=gcc SKIP_CI_PREP=1 CD_TO_TOP=1 ZDTM_OPTS="-x zdtm/static/socket-raw"
+
 task:
   name: Vagrant Fedora Rawhide
   environment:

contrib/dependencies/yum-packages.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env sh
+
+yum install -y --allowerasing \
+	asciidoc \
+	chkconfig \
+	coreutils \
+	diffutils \
+	findutils \
+	gcc \
+	git \
+	gnutls-devel \
+	iproute \
+	iptables \
+	libaio-devel \
+	libasan \
+	libcap-devel \
+	libnet-devel \
+	libnl3-devel \
+	libselinux-devel \
+	libuuid-devel \
+	make \
+	procps-ng \
+	protobuf-c-devel \
+	protobuf-devel \
+	python3-devel \
+	python3-importlib-metadata \
+	python3-pip \
+	python3-protobuf \
+	python3-PyYAML \
+	sudo \
+	tar \
+	which \
+	xmlto