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Fix buffer_output

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This commit is contained in:
Karl Isenberg 2016-01-04 15:41:12 -08:00
parent 54010e5119
commit 4ca42f075c
1 changed files with 11 additions and 6 deletions
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17
cluster/mesos/docker/util.sh
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@ -438,15 +438,20 @@ function cluster::mesos::docker::create_basic_user {
echo "${password},${user_name},${user_name}" echo "${password},${user_name},${user_name}"
} }
# Buffers command output to memory, prints on failure. # Buffers command output to file, prints output on failure.
function cluster::mesos::docker::buffer_output { function cluster::mesos::docker::buffer_output {
local cmd="$@" local cmd="$@"
local tempfile="$(mktemp "${TMPDIR}/buffer.XXXXXX")"
# buffer output until failure trap "kill -TERM \${PID}; rm '${tempfile}'" TERM INT
local output=$((${cmd} || exit $?) 2>&1) ${cmd} &> "${tempfile}" &
PID=$!
wait ${PID}
trap - TERM INT
wait ${PID}
local exit_status="$?" local exit_status="$?"
if [ "${exit_status}" != 0 ]; then if [ "${exit_status}" != 0 ]; then
echo "${output}" 1>&2 cat "${tempfile}" 1>&2
return "${exit_status}"
fi fi
rm "${tempfile}"
return "${exit_status}"
} }