From dd9b521a067160f621c6adf678d9800b4f7e5468 Mon Sep 17 00:00:00 2001
From: Gustavo Trott <gustavo@trott.com.br>
Date: Wed, 14 Dec 2022 17:32:03 -0300
Subject: [PATCH] Add validation of Docker version

---
 create_bbb.sh | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/create_bbb.sh b/create_bbb.sh
index 34c77bf..cd4b7de 100755
--- a/create_bbb.sh
+++ b/create_bbb.sh
@@ -1,4 +1,19 @@
 #!/bin/bash
+
+if ! command -v docker &> /dev/null
+then
+    echo "Docker not found! Required Docker 20 or greater"
+    exit
+fi
+
+DOCKER_VERSION=$(docker version -f "{{.Server.Version}}")
+DOCKER_VERSION_MAJOR=$(echo "$DOCKER_VERSION"| cut -d'.' -f 1)
+
+if [ ! "${DOCKER_VERSION_MAJOR}" -ge 20 ] ; then
+    echo "Invalid Docker version! Required Docker 20 or greater"
+    exit
+fi
+
 NAME=
 DOMAIN=test
 IP=172.17.0.2