Merge pull request #1637 from wainersm/openshift_ci_centos8

ci/openshift-ci: Prepare to build on CentOS 8

ci/lib.sh

@@ -7,16 +7,25 @@ export tests_repo="${tests_repo:-github.com/kata-containers/tests}"
 export tests_repo_dir="$GOPATH/src/$tests_repo"
 export branch="${branch:-main}"
 
+# Clones the tests repository and checkout to the branch pointed out by
+# the global $branch variable.
+# If the clone exists and `CI` is exported then it does nothing. Otherwise
+# it will clone the repository or `git pull` the latest code.
+#
 clone_tests_repo()
 {
-	if [ -d "$tests_repo_dir" -a -n "$CI" ]
-	then
-		return
+	if [ -d "$tests_repo_dir" ]; then
+		[ -n "$CI" ] && return
+		pushd "${tests_repo_dir}"
+		git checkout "${branch}"
+		git pull
+		popd
+	else
+		git clone -q "https://${tests_repo}" "$tests_repo_dir"
+		pushd "${tests_repo_dir}"
+		git checkout "${branch}"
+		popd
 	fi
-
-	go get -d -u "$tests_repo" || true
-
-	pushd "${tests_repo_dir}" && git checkout "${branch}" && popd
 }
 
 run_static_checks()

ci/openshift-ci/images/Dockerfile.buildroot

@@ -0,0 +1,9 @@
+# Copyright (c) 2021 Red Hat, Inc.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# This is the build root image for Kata Containers on OpenShift CI.
+#
+FROM centos:8
+
+RUN yum -y update && yum -y install git sudo wget