TF: add backup S3 bucket

For LSS-2109

Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Change-Id: Iede061f0bc186ea6405a8fd400a7dd905000aeab
diff --git a/terraform b/terraform
new file mode 100755
index 0000000..af18b2b
--- /dev/null
+++ b/terraform
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+set -eu
+TOP=$(dirname $0)
+
+update_terraform()
+{
+    export TFVERS=0.12.28
+    if [ ! -x $TOP/.bin/terraform_${TFVERS} ]
+    then
+        (
+        mkdir -p $TOP/.bin/
+        cd $TOP/.bin
+        wget -q https://releases.hashicorp.com/terraform/${TFVERS}/terraform_${TFVERS}_linux_amd64.zip
+        unzip -o terraform_${TFVERS}_linux_amd64.zip
+        mv terraform terraform_${TFVERS}
+        chmod a+x terraform_${TFVERS}
+        ln -sf terraform_${TFVERS} terraform
+        rm terraform_${TFVERS}_linux_amd64.zip
+        )
+    fi
+}
+
+update_terraform
+
+$TOP/.bin/terraform "$@"
+