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Default to overlay2

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If there is no storage-driver set in daemon.json and no
aufs directory in the docker directory, use overlay2 as the storage
driver.

Signed-off-by: Justin Cormack <justin.cormack@docker.com>
This commit is contained in:
Justin Cormack 2016-10-13 16:08:20 +01:00
parent d440596ddf
commit 11125429f3
1 changed files with 12 additions and 1 deletions
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13
alpine/packages/docker/etc/init.d/docker
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@ -62,6 +62,9 @@ start()
mobyconfig get $f > $f
done
fi
[ -f /etc/docker/daemon.json ] || printf '{}' > /etc/docker/daemon.json
if mobyconfig exists network
then
NETWORK_MODE="$(mobyconfig get network | tr -d '[[:space:]]')"
@ -79,7 +82,15 @@ start()
fi
# Set Docker to debug debug if not specified in daemon.json
([ -f /etc/docker/daemon.json ] && cat /etc/docker/daemon.json | jq -e 'has("debug")' > /dev/null) || DOCKER_OPTS="${DOCKER_OPTS} --debug"
cat /etc/docker/daemon.json | jq -e 'has("debug")' > /dev/null || DOCKER_OPTS="${DOCKER_OPTS} --debug"
# choose storage driver
if ! $(cat /etc/docker/daemon.json | jq -e '."storage-driver"' > /dev/null)
then
STORAGE_DRIVER="overlay2"
[ -d /var/lib/docker/aufs ] && STORAGE_DRIVER="aufs"
DOCKER_OPTS="${DOCKER_OPTS} --storage-driver ${STORAGE_DRIVER}"
fi
# shift logs onto host before docker starts
# busybox reopens its log files every second