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  • Committer: Nicholas Skaggs
  • Date: 2016-10-24 20:56:05 UTC
  • Revision ID: nicholas.skaggs@canonical.com-20161024205605-z8lta0uvuhtxwzwl
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src/github.com/lxc/lxd/test/suites/fdleak.sh
 
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#!/bin/sh
 
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test_fdleak() {
 
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  LXD_FDLEAK_DIR=$(mktemp -d -p "${TEST_DIR}" XXX)
 
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  chmod +x "${LXD_FDLEAK_DIR}"
 
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  spawn_lxd "${LXD_FDLEAK_DIR}"
 
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  pid=$(cat "${LXD_FDLEAK_DIR}/lxd.pid")
 
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  beforefds=$(/bin/ls "/proc/${pid}/fd" | wc -l)
 
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  (
 
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    set -e
 
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    # shellcheck disable=SC2034
 
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    LXD_DIR=${LXD_FDLEAK_DIR}
 
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    ensure_import_testimage
 
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    for i in $(seq 5); do
 
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      lxc init "testimage leaktest${i}"
 
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      lxc info "leaktest${i}"
 
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      lxc start "leaktest${i}"
 
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      lxc exec "leaktest${i}" -- ps -ef
 
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      lxc stop "leaktest${i}" --force
 
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      lxc delete "leaktest${i}"
 
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    done
 
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    sleep 5
 
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    exit 0
 
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  )
 
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  afterfds=$(/bin/ls "/proc/${pid}/fd" | wc -l)
 
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  leakedfds=$((afterfds - beforefds))
 
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  bad=0
 
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  # shellcheck disable=SC2015
 
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  [ ${leakedfds} -gt 5 ] && bad=1 || true
 
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  if [ ${bad} -eq 1 ]; then
 
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    echo "${leakedfds} FDS leaked"
 
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    ls "/proc/${pid}/fd" -al
 
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    netstat -anp 2>&1 | grep "${pid}/"
 
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    false
 
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  fi
 
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  kill_lxd "${LXD_FDLEAK_DIR}"
 
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}