From 2fe6adf5b72cef87fac48d27ffb1bff00b08c540 Mon Sep 17 00:00:00 2001
From: Vladyslav Miletskyi
 <33529567+Vladyslav-Miletskyi@users.noreply.github.com>
Date: Thu, 30 Jun 2022 04:03:12 +0200
Subject: [PATCH] Runner Entrypoint: fix daemon.json (#1409)

* Runner Entrypoint: fix daemon.json

Do not owerwrite daemon.json if it already exists.
Usage: custom images, which are using public image as source.

* Update runner/startup.sh

Co-authored-by: Callum Tait <15716903+toast-gear@users.noreply.github.com>

Co-authored-by: Callum Tait <15716903+toast-gear@users.noreply.github.com>
---
 runner/startup.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/runner/startup.sh b/runner/startup.sh
index 6352a0d5..ea651b9f 100755
--- a/runner/startup.sh
+++ b/runner/startup.sh
@@ -20,7 +20,9 @@ function wait_for_process () {
 sudo /bin/bash <<SCRIPT
 mkdir -p /etc/docker
 
-echo "{}" > /etc/docker/daemon.json
+if [ ! -f /etc/docker/daemon.json ]; then
+  echo "{}" > /etc/docker/daemon.json
+fi
 
 if [ -n "${MTU}" ]; then
 jq ".\"mtu\" = ${MTU}" /etc/docker/daemon.json > /tmp/.daemon.json && mv /tmp/.daemon.json /etc/docker/daemon.json