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support watch paths on mobyconfig

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Signed-off-by: Justin Cormack <justin.cormack@docker.com>
This commit is contained in:
Justin Cormack 2016-04-07 16:25:32 +01:00
parent 0106abbf96
commit ea9062f7e6
1 changed files with 24 additions and 6 deletions
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30
alpine/packages/mobyconfig/mobyconfig
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@ -2,7 +2,7 @@
if [ $# -ne 2 ]
then
printf "usage: $0 [get|exists] key\n"
printf "usage: $0 [get|exists|watch] key\n"
exit 0
fi
@ -33,22 +33,40 @@ fi
DATABASE="$(cat /proc/cmdline | sed -e 's/.*com.docker.database="//' -e 's/".*//')"
BASE="/Database/branch/master/ro/${DATABASE}"
KEY=$(echo $2 | sed 's@^/@@')
if [ $1 == "exists" ]
then
[ -f ${BASE}/$2 ] && exit 0 || exit 1
[ -f ${BASE}/${KEY} ] && exit 0 || exit 1
fi
if [ $1 == "get" ]
then
if [ -f ${BASE}/$2 ]
if [ -f ${BASE}/${KEY} ]
then
cat ${BASE}/$2
cat ${BASE}/${KEY}
exit 0
else
printf "No such key: $2\n" 1>&2
printf "No such key: ${KEY}\n" 1>&2
exit 1
fi
fi
printf "usage: $0 [get|exists] key\n"
# might be nicer if watch returned a file descriptor not a path
# /Database/branch/master/watch/com.docker.driver.amd64-linux.node/etc.node/docker.node/daemon.json.node/tree.live
if [ $1 == "watch" ]
then
WATCHBASE="/Database/branch/master/watch/${DATABASE}.node"
WATCH="${WATCHBASE}/$(echo ${KEY} | sed 's@/@.node/@g').node/tree.live"
if [ -f ${WATCH} ]
then
printf ${WATCH}
exit 0
else
printf "No such watch: ${WATCH}\n" 2>&1
exit 1
fi
fi
printf "usage: $0 [get|exists|watch] key\n"
exit 1