docker,worker: install qemu-utils

To convert x86 images to VDI/VMDK the `qemu-img` tools is required,
which is part of Debians `qemu-utils` package. The goal is to remove the
ancient in-tree `qemu-img` version and replace it with a recent host
installed package.

Related: https://github.com/openwrt/openwrt/pull/3739/

Signed-off-by: Paul Spooren <[email protected]>
[rebased]
Signed-off-by: Petr Štetiar <[email protected]>

diff --git a/docker/buildslave/Dockerfile b/docker/buildslave/Dockerfile
index 34d4ea18c9ba5c29afe1b403d9fddf470881bf9c..c51b5d2997a5b2862790d4229940b1f6ce3d767f 100644 (file)
--- a/docker/buildslave/Dockerfile
+++ b/docker/buildslave/Dockerfile
@@ -28,6 +28,7 @@ RUN \
                pwgen \
                python3 \
                python3-pip \
+               qemu-utils \
                unzip \
                wget && \
        apt-get clean && \