From 53e3388873b95e2c23a4d43d7d48668d4ac81b5e Mon Sep 17 00:00:00 2001
From: Hongbin Lu <hongbin034@gmail.com>
Date: Fri, 24 Feb 2023 15:11:02 +0000
Subject: [PATCH] Support installing specific version of docker

Change-Id: I12015c28f6f8ffc125097a14514a6a90a20cf35b
(cherry picked from commit f8e786f0d5b885f003185aba6ad7e81ae3ab6dfa)
---
 devstack/lib/docker | 6 +++++-
 devstack/settings   | 2 ++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/devstack/lib/docker b/devstack/lib/docker
index 114b541..2a6dd27 100644
--- a/devstack/lib/docker
+++ b/devstack/lib/docker
@@ -73,7 +73,11 @@ function install_docker {
             ${dist_version} \
             stable"
         REPOS_UPDATED=False apt_get_update
-        apt_get install docker-ce
+        if [ -n "${UBUNTU_DOCKER_VERSION}" ]; then
+            apt_get install docker-ce=$UBUNTU_DOCKER_VERSION
+        else
+            apt_get install docker-ce
+        fi
     elif is_fedora; then
         if [[ "$lsb_dist" = "centos" ]]; then
             sudo yum-config-manager \
diff --git a/devstack/settings b/devstack/settings
index ae9e060..e903940 100644
--- a/devstack/settings
+++ b/devstack/settings
@@ -14,6 +14,8 @@ CRIO_ALLOW_ICMP=${CRIO_ALLOW_ICMP:-true}
 CNI_CONF_DIR=${CNI_CONF_DIR:-}
 CNI_PLUGIN_DIR=${CNI_PLUGIN_DIR:-}
 
+UBUNTU_DOCKER_VERSION=${UBUNTU_DOCKER_VERSION:-}
+
 # Enable container services
 enable_service container