# Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

description     "Metrics Library upstart file"
author          "chromium-os-dev@chromium.org"

# The metrics library is used by several programs (daemons and others)
# to send UMA stats.
start on starting boot-services

pre-start script
  # Create the file used as communication endpoint for metrics.
  METRICS_DIR=/var/lib/metrics
  EVENTS_FILE=${METRICS_DIR}/uma-events
  mkdir -p ${METRICS_DIR}
  touch ${EVENTS_FILE}
  chown chronos.chronos ${EVENTS_FILE}
  chmod 666 ${EVENTS_FILE}
  # TRANSITION ONLY.
  # TODO(semenzato) Remove after Chrome change, see issue 447256.
  # Let Chrome read the metrics file from the old location.
  mkdir -p /var/run/metrics
  ln -sf ${EVENTS_FILE} /var/run/metrics
end script