Support installing specific version of docker

Change-Id: I12015c28f6f8ffc125097a14514a6a90a20cf35b
(cherry picked from commit f8e786f0d5)

.gitreview

@@ -2,4 +2,4 @@
 host=review.opendev.org
 port=29418
 project=openstack/devstack-plugin-container.git
-defaultbranch=stable/zed
+defaultbranch=stable/yoga

devstack/lib/crio

@@ -78,8 +78,6 @@ function configure_crio {
 
     # We're wrapping values in \"<val>\" because that's the format cri-o wants.
     iniset -sudo ${CRIO_CONF} crio.api listen \"${CRIO_ENGINE_SOCKET_FILE}\"
-    iniset -sudo ${CRIO_CONF} crio.image pause_image \"${CRIO_PAUSE_IMAGE}\"
-    iniset -sudo ${CRIO_CONF} crio.image pause_command \"${CRIO_PAUSE_COMMAND}\"
     if [[ "$ENABLE_DEBUG_LOG_LEVEL" == "True" ]]; then
         # debug is way too verbose, info will be enough
         iniset -sudo ${CRIO_CONF} crio.runtime log_level \"info\"

devstack/lib/docker

@@ -56,12 +56,9 @@ function install_docker {
 
     local lsb_dist=${os_VENDOR,,}
     local dist_version=${os_CODENAME}
-    if [[ "$lsb_dist" != "centosstream" ]]; then
-        local arch
-        arch=$(dpkg --print-architecture)
-    fi
+    local arch
+    arch=$(dpkg --print-architecture)
     if is_ubuntu; then
-        apt_get install apparmor
         if [[ ${dist_version} == 'trusty' ]]; then
             if uname -r | grep -q -- '-generic' && dpkg -l 'linux-image-*-generic' | grep -qE '^ii|^hi' 2>/dev/null; then
                 apt_get install linux-image-extra-$(uname -r) linux-image-extra-virtual
@@ -86,17 +83,6 @@ function install_docker {
             sudo yum-config-manager \
                 --add-repo \
                 https://download.docker.com/linux/centos/docker-ce.repo
-        elif  [[ "$lsb_dist" = "centosstream" ]]; then
-            sudo yum-config-manager \
-                --add-repo \
-                https://download.docker.com/linux/centos/docker-ce.repo
-            sudo yum-config-manager \
-                --add-repo \
-                https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64 #noqa
-            sudo yum-config-manager \
-                --enable \
-                packages.cloud.google.com_yum_repos_kubernetes-el7-x86_64
-            sudo dnf -y install kubeadm --nogpgcheck
         elif [[ "$lsb_dist" = "fedora" ]]; then
             sudo dnf config-manager \
                 --add-repo \

devstack/settings

@@ -29,7 +29,3 @@ fi
 
 # Customize kubeadm container images repository
 KUBEADMIN_IMAGE_REPOSITORY=${KUBEADMIN_IMAGE_REPOSITORY:-"k8s.gcr.io"}
-
-# Configure crio pause image
-CRIO_PAUSE_IMAGE=${CRIO_PAUSE_IMAGE:-"k8s.gcr.io/pause:3.6"}
-CRIO_PAUSE_COMMAND=${CRIO_PAUSE_COMMAND:-"/pause"}