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Add a Raspbian specific systemd unit file, use overlay by default

Signed-off-by: Dieter Reuter <dieter.reuter@me.com>

Dieter Reuter authored on 2016/07/20 08:08:19
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@@ -389,12 +389,10 @@ do_install() {
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 			}
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 			if [ "$lsb_dist" = "raspbian" ]; then
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-				# overlay is preferred to use on Raspbian
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-				if [ ! -f /etc/modules-load.d/docker.conf ]; then
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-					# Load kernel module 'overlay' at boot time
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-					( set -x; $sh_c "modprobe overlay" )
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-					( set -x; $sh_c "echo overlay > /etc/modules-load.d/docker.conf" )
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-				fi
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+				# Create Raspbian specific systemd init file, use overlay by default
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+				( set -x; $sh_c "mkdir -p /etc/systemd/system" )
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+				( set -x; $sh_c "$curl https://raw.githubusercontent.com/docker/docker/master/contrib/init/systemd/docker.service > /etc/systemd/system/docker.service" )
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+				( set -x; $sh_c "sed -i 's/dockerd/dockerd --storage-driver overlay/' /etc/systemd/system/docker.service" )
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 			else
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 				# aufs is preferred over devicemapper; try to ensure the driver is available.
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 				if ! grep -q aufs /proc/filesystems && ! $sh_c 'modprobe aufs'; then