Change repos from projectatomic to kubic OBS project.

Since projectatomic Ubuntu builds are deprecated, and advice was to
consult upstream documentation[1], Kubernetes with cri-o now rely on
Kubic project, which (among the others) provides packages for Ubuntu
20.04. Let us switch for those.

[1] https://kubernetes.io/docs/setup/production-environment/container-runtimes/#cri-o

Change-Id: Ib06753d22f8859eefedc031094851b052f4105b6

devstack/lib/crio

@@ -40,14 +40,22 @@ function install_crio {
 
     local lsb_dist=${os_VENDOR,,}
     local dist_version=${os_CODENAME}
-    local arch
-    arch=$(dpkg --print-architecture)
+    local kubic_obs_project_key="2472d6d0d2f66af87aba8da34d64390375060aa4"
+    local os="x${os_VENDOR}_${os_RELEASE}"
     if is_ubuntu; then
-        apt_get install apt-transport-https ca-certificates software-properties-common
-        sudo add-apt-repository -y ppa:projectatomic/ppa
+        apt_get install apt-transport-https ca-certificates \
+            software-properties-common
+        sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 \
+            --recv ${kubic_obs_project_key}
+        sudo apt-add-repository "deb https://download.opensuse.org/"`
+            `"repositories/devel:/kubic:/libcontainers:/stable/${os}/ /"
+        sudo apt-add-repository "deb http://download.opensuse.org/"`
+            `"repositories/devel:/kubic:/libcontainers:/stable:/cri-o:/"`
+            `"${CRIO_VERSION}/${os}/ /"
+
         # Installing podman and containerd will get us compatible versions of
         # cri-o and runc. And we need podman to manage container images anyway.
-        apt_get install podman buildah
+        apt_get install podman buildah cri-o-runc cri-o
     elif is_fedora; then
         if [[ "$lsb_dist" = "centos" ]]; then
             sudo yum-config-manager \
@@ -75,16 +83,6 @@ function configure_crio {
         iniset -sudo ${crio_conf} crio.runtime log_level \"info\"
     fi
     if is_ubuntu; then
-        # In Ubuntu's a special vendored version of runc is installed with
-        # cri-o. This means that it'll not work with the system's version of
-        # runc. Moreover vendored runc is not placed into /usr/bin, where
-        # crio.conf states that it will be. We fix that by linking the vendored
-        # binary to /usr/bin.
-        if [[ ! -e /usr/bin/runc ]]; then
-            sudo ln -s /usr/lib/cri-o-runc/sbin/runc /usr/bin/runc
-            sudo chmod +x /usr/bin/runc
-        fi
-
         # At least for 18.04 we need to set up /etc/containers/registries.conf
         # with some initial content. That's another bug with that PPA.
         local registries_conf

devstack/settings

@@ -9,6 +9,7 @@ ENABLE_LIVE_RESTORE=${ENABLE_LIVE_RESTORE:-false}
 ENABLE_IPV6=${ENABLE_IPV6:-false}
 K8S_NETWORK_ADDON=${K8S_NETWORK_ADDON:-flannel}
 ENABLE_CONTAINERD_CRI=${ENABLE_CONTAINERD_CRI:-false}
+CRIO_VERSION=${CRIO_VERSION:-"1.18:/1.18.0"}
 
 # Enable container services
 enable_service container